Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 1 | /* |
Ingo Molnar | bf9e187 | 2009-06-02 23:37:05 +0200 | [diff] [blame] | 2 | * builtin-top.c |
| 3 | * |
| 4 | * Builtin top command: Display a continuously updated profile of |
| 5 | * any workload, CPU or specific PID. |
| 6 | * |
| 7 | * Copyright (C) 2008, Red Hat Inc, Ingo Molnar <mingo@redhat.com> |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 8 | * 2011, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com> |
Ingo Molnar | bf9e187 | 2009-06-02 23:37:05 +0200 | [diff] [blame] | 9 | * |
| 10 | * Improvements and fixes by: |
| 11 | * |
| 12 | * Arjan van de Ven <arjan@linux.intel.com> |
| 13 | * Yanmin Zhang <yanmin.zhang@intel.com> |
| 14 | * Wu Fengguang <fengguang.wu@intel.com> |
| 15 | * Mike Galbraith <efault@gmx.de> |
| 16 | * Paul Mackerras <paulus@samba.org> |
| 17 | * |
| 18 | * Released under the GPL v2. (and only v2, not any later version) |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 19 | */ |
Ingo Molnar | bf9e187 | 2009-06-02 23:37:05 +0200 | [diff] [blame] | 20 | #include "builtin.h" |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 21 | |
Peter Zijlstra | 1a482f3 | 2009-05-23 18:28:58 +0200 | [diff] [blame] | 22 | #include "perf.h" |
Ingo Molnar | bf9e187 | 2009-06-02 23:37:05 +0200 | [diff] [blame] | 23 | |
Arnaldo Carvalho de Melo | 3653246 | 2011-02-06 14:54:44 -0200 | [diff] [blame] | 24 | #include "util/annotate.h" |
Arnaldo Carvalho de Melo | c0443df | 2011-01-31 18:19:33 -0200 | [diff] [blame] | 25 | #include "util/cache.h" |
Ingo Molnar | 8fc0321 | 2009-06-04 15:19:47 +0200 | [diff] [blame] | 26 | #include "util/color.h" |
Arnaldo Carvalho de Melo | 361c99a | 2011-01-11 20:56:53 -0200 | [diff] [blame] | 27 | #include "util/evlist.h" |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 28 | #include "util/evsel.h" |
Arnaldo Carvalho de Melo | b0a7d1a | 2012-10-06 16:26:02 -0300 | [diff] [blame] | 29 | #include "util/machine.h" |
Arnaldo Carvalho de Melo | b3165f4 | 2009-12-13 19:50:28 -0200 | [diff] [blame] | 30 | #include "util/session.h" |
| 31 | #include "util/symbol.h" |
Arnaldo Carvalho de Melo | 439d473 | 2009-10-02 03:29:58 -0300 | [diff] [blame] | 32 | #include "util/thread.h" |
Arnaldo Carvalho de Melo | fd78260 | 2011-01-18 15:15:24 -0200 | [diff] [blame] | 33 | #include "util/thread_map.h" |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 34 | #include "util/top.h" |
Ingo Molnar | 148be2c | 2009-04-27 08:02:14 +0200 | [diff] [blame] | 35 | #include "util/util.h" |
Arnaldo Carvalho de Melo | 43cbcd8 | 2009-07-01 12:28:37 -0300 | [diff] [blame] | 36 | #include <linux/rbtree.h> |
Josh Poimboeuf | 4b6ab94 | 2015-12-15 09:39:39 -0600 | [diff] [blame] | 37 | #include <subcmd/parse-options.h> |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 38 | #include "util/parse-events.h" |
Paul Mackerras | a12b51c | 2010-03-10 20:36:09 +1100 | [diff] [blame] | 39 | #include "util/cpumap.h" |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 40 | #include "util/xyarray.h" |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 41 | #include "util/sort.h" |
David Ahern | 6b118e9 | 2012-07-30 22:31:35 -0600 | [diff] [blame] | 42 | #include "util/intlist.h" |
Andi Kleen | a18b027 | 2015-07-18 08:24:52 -0700 | [diff] [blame] | 43 | #include "util/parse-branch-options.h" |
Sukadev Bhattiprolu | 0d3942d | 2013-05-14 22:56:51 -0700 | [diff] [blame] | 44 | #include "arch/common.h" |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 45 | |
Frederic Weisbecker | 8f28827a | 2009-08-16 22:05:48 +0200 | [diff] [blame] | 46 | #include "util/debug.h" |
| 47 | |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 48 | #include <assert.h> |
Arnaldo Carvalho de Melo | 31d68e7 | 2012-03-27 12:55:57 -0300 | [diff] [blame] | 49 | #include <elf.h> |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 50 | #include <fcntl.h> |
Ingo Molnar | 0e9b20b | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 51 | |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 52 | #include <stdio.h> |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 53 | #include <termios.h> |
| 54 | #include <unistd.h> |
Arnaldo Carvalho de Melo | 9486aa3 | 2011-01-22 20:37:02 -0200 | [diff] [blame] | 55 | #include <inttypes.h> |
Ingo Molnar | 0e9b20b | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 56 | |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 57 | #include <errno.h> |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 58 | #include <time.h> |
| 59 | #include <sched.h> |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 60 | |
| 61 | #include <sys/syscall.h> |
| 62 | #include <sys/ioctl.h> |
Arnaldo Carvalho de Melo | a8fa496 | 2014-09-15 15:54:34 -0300 | [diff] [blame] | 63 | #include <poll.h> |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 64 | #include <sys/prctl.h> |
| 65 | #include <sys/wait.h> |
| 66 | #include <sys/uio.h> |
Arnaldo Carvalho de Melo | 31d68e7 | 2012-03-27 12:55:57 -0300 | [diff] [blame] | 67 | #include <sys/utsname.h> |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 68 | #include <sys/mman.h> |
| 69 | |
Arnaldo Carvalho de Melo | 531d241 | 2016-03-23 15:16:55 -0300 | [diff] [blame] | 70 | #include <linux/stringify.h> |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 71 | #include <linux/types.h> |
| 72 | |
Arnaldo Carvalho de Melo | 11859e8 | 2013-01-30 13:25:53 -0300 | [diff] [blame] | 73 | static volatile int done; |
| 74 | |
Namhyung Kim | 933cbb1 | 2013-05-14 11:08:59 +0900 | [diff] [blame] | 75 | #define HEADER_LINE_NR 5 |
| 76 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 77 | static void perf_top__update_print_entries(struct perf_top *top) |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 78 | { |
Namhyung Kim | 933cbb1 | 2013-05-14 11:08:59 +0900 | [diff] [blame] | 79 | top->print_entries = top->winsize.ws_row - HEADER_LINE_NR; |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 80 | } |
| 81 | |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 82 | static void perf_top__sig_winch(int sig __maybe_unused, |
| 83 | siginfo_t *info __maybe_unused, void *arg) |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 84 | { |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 85 | struct perf_top *top = arg; |
| 86 | |
| 87 | get_term_dimensions(&top->winsize); |
| 88 | perf_top__update_print_entries(top); |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 89 | } |
| 90 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 91 | static int perf_top__parse_source(struct perf_top *top, struct hist_entry *he) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 92 | { |
| 93 | struct symbol *sym; |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 94 | struct annotation *notes; |
Arnaldo Carvalho de Melo | 439d473 | 2009-10-02 03:29:58 -0300 | [diff] [blame] | 95 | struct map *map; |
Arnaldo Carvalho de Melo | 3653246 | 2011-02-06 14:54:44 -0200 | [diff] [blame] | 96 | int err = -1; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 97 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 98 | if (!he || !he->ms.sym) |
Arnaldo Carvalho de Melo | b0a9ab6 | 2010-03-15 11:46:58 -0300 | [diff] [blame] | 99 | return -1; |
| 100 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 101 | sym = he->ms.sym; |
| 102 | map = he->ms.map; |
Arnaldo Carvalho de Melo | b0a9ab6 | 2010-03-15 11:46:58 -0300 | [diff] [blame] | 103 | |
| 104 | /* |
| 105 | * We can't annotate with just /proc/kallsyms |
| 106 | */ |
Adrian Hunter | bbb7f84 | 2013-08-07 14:38:54 +0300 | [diff] [blame] | 107 | if (map->dso->symtab_type == DSO_BINARY_TYPE__KALLSYMS && |
| 108 | !dso__is_kcore(map->dso)) { |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 109 | pr_err("Can't annotate %s: No vmlinux file was found in the " |
| 110 | "path\n", sym->name); |
| 111 | sleep(1); |
Arnaldo Carvalho de Melo | b0a9ab6 | 2010-03-15 11:46:58 -0300 | [diff] [blame] | 112 | return -1; |
Arnaldo Carvalho de Melo | b269876 | 2009-11-17 18:38:02 -0200 | [diff] [blame] | 113 | } |
| 114 | |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 115 | notes = symbol__annotation(sym); |
| 116 | if (notes->src != NULL) { |
| 117 | pthread_mutex_lock(¬es->lock); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 118 | goto out_assign; |
| 119 | } |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 120 | |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 121 | pthread_mutex_lock(¬es->lock); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 122 | |
Arnaldo Carvalho de Melo | d04b35f | 2011-11-11 22:17:32 -0200 | [diff] [blame] | 123 | if (symbol__alloc_hist(sym) < 0) { |
Arnaldo Carvalho de Melo | c97cf42 | 2011-02-22 12:02:07 -0300 | [diff] [blame] | 124 | pthread_mutex_unlock(¬es->lock); |
Arnaldo Carvalho de Melo | 3653246 | 2011-02-06 14:54:44 -0200 | [diff] [blame] | 125 | pr_err("Not enough memory for annotating '%s' symbol!\n", |
| 126 | sym->name); |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 127 | sleep(1); |
Arnaldo Carvalho de Melo | c97cf42 | 2011-02-22 12:02:07 -0300 | [diff] [blame] | 128 | return err; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 129 | } |
Arnaldo Carvalho de Melo | 3653246 | 2011-02-06 14:54:44 -0200 | [diff] [blame] | 130 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 131 | err = symbol__annotate(sym, map, 0); |
Arnaldo Carvalho de Melo | 3653246 | 2011-02-06 14:54:44 -0200 | [diff] [blame] | 132 | if (err == 0) { |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 133 | out_assign: |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 134 | top->sym_filter_entry = he; |
Arnaldo Carvalho de Melo | 3653246 | 2011-02-06 14:54:44 -0200 | [diff] [blame] | 135 | } |
Arnaldo Carvalho de Melo | c97cf42 | 2011-02-22 12:02:07 -0300 | [diff] [blame] | 136 | |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 137 | pthread_mutex_unlock(¬es->lock); |
Arnaldo Carvalho de Melo | 3653246 | 2011-02-06 14:54:44 -0200 | [diff] [blame] | 138 | return err; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 139 | } |
| 140 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 141 | static void __zero_source_counters(struct hist_entry *he) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 142 | { |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 143 | struct symbol *sym = he->ms.sym; |
Arnaldo Carvalho de Melo | 3653246 | 2011-02-06 14:54:44 -0200 | [diff] [blame] | 144 | symbol__annotate_zero_histograms(sym); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 145 | } |
| 146 | |
Arnaldo Carvalho de Melo | 31d68e7 | 2012-03-27 12:55:57 -0300 | [diff] [blame] | 147 | static void ui__warn_map_erange(struct map *map, struct symbol *sym, u64 ip) |
| 148 | { |
| 149 | struct utsname uts; |
| 150 | int err = uname(&uts); |
| 151 | |
| 152 | ui__warning("Out of bounds address found:\n\n" |
| 153 | "Addr: %" PRIx64 "\n" |
| 154 | "DSO: %s %c\n" |
| 155 | "Map: %" PRIx64 "-%" PRIx64 "\n" |
| 156 | "Symbol: %" PRIx64 "-%" PRIx64 " %c %s\n" |
| 157 | "Arch: %s\n" |
| 158 | "Kernel: %s\n" |
| 159 | "Tools: %s\n\n" |
| 160 | "Not all samples will be on the annotation output.\n\n" |
| 161 | "Please report to linux-kernel@vger.kernel.org\n", |
| 162 | ip, map->dso->long_name, dso__symtab_origin(map->dso), |
| 163 | map->start, map->end, sym->start, sym->end, |
| 164 | sym->binding == STB_GLOBAL ? 'g' : |
| 165 | sym->binding == STB_LOCAL ? 'l' : 'w', sym->name, |
| 166 | err ? "[unknown]" : uts.machine, |
| 167 | err ? "[unknown]" : uts.release, perf_version_string); |
| 168 | if (use_browser <= 0) |
| 169 | sleep(5); |
Arnaldo Carvalho de Melo | 48000a1 | 2014-12-17 17:24:45 -0300 | [diff] [blame] | 170 | |
Arnaldo Carvalho de Melo | 31d68e7 | 2012-03-27 12:55:57 -0300 | [diff] [blame] | 171 | map->erange_warned = true; |
| 172 | } |
| 173 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 174 | static void perf_top__record_precise_ip(struct perf_top *top, |
| 175 | struct hist_entry *he, |
| 176 | int counter, u64 ip) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 177 | { |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 178 | struct annotation *notes; |
Namhyung Kim | beefb8d | 2015-12-11 11:56:56 +0900 | [diff] [blame] | 179 | struct symbol *sym = he->ms.sym; |
Namhyung Kim | 48c65bd | 2014-02-20 10:32:53 +0900 | [diff] [blame] | 180 | int err = 0; |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 181 | |
Namhyung Kim | beefb8d | 2015-12-11 11:56:56 +0900 | [diff] [blame] | 182 | if (sym == NULL || (use_browser == 0 && |
| 183 | (top->sym_filter_entry == NULL || |
| 184 | top->sym_filter_entry->ms.sym != sym))) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 185 | return; |
| 186 | |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 187 | notes = symbol__annotation(sym); |
| 188 | |
| 189 | if (pthread_mutex_trylock(¬es->lock)) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 190 | return; |
| 191 | |
Namhyung Kim | 448f13b | 2015-12-11 11:56:55 +0900 | [diff] [blame] | 192 | err = hist_entry__inc_addr_samples(he, counter, ip); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 193 | |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 194 | pthread_mutex_unlock(¬es->lock); |
Arnaldo Carvalho de Melo | 31d68e7 | 2012-03-27 12:55:57 -0300 | [diff] [blame] | 195 | |
Namhyung Kim | 151ee83 | 2015-12-11 11:56:54 +0900 | [diff] [blame] | 196 | if (unlikely(err)) { |
| 197 | /* |
| 198 | * This function is now called with he->hists->lock held. |
| 199 | * Release it before going to sleep. |
| 200 | */ |
| 201 | pthread_mutex_unlock(&he->hists->lock); |
Namhyung Kim | 7c50391 | 2014-01-07 17:41:03 +0900 | [diff] [blame] | 202 | |
Namhyung Kim | 151ee83 | 2015-12-11 11:56:54 +0900 | [diff] [blame] | 203 | if (err == -ERANGE && !he->ms.map->erange_warned) |
| 204 | ui__warn_map_erange(he->ms.map, sym, ip); |
| 205 | else if (err == -ENOMEM) { |
| 206 | pr_err("Not enough memory for annotating '%s' symbol!\n", |
| 207 | sym->name); |
| 208 | sleep(1); |
| 209 | } |
| 210 | |
| 211 | pthread_mutex_lock(&he->hists->lock); |
Arnaldo Carvalho de Melo | b66d8c0 | 2013-12-18 15:37:41 -0300 | [diff] [blame] | 212 | } |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 213 | } |
| 214 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 215 | static void perf_top__show_details(struct perf_top *top) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 216 | { |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 217 | struct hist_entry *he = top->sym_filter_entry; |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 218 | struct annotation *notes; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 219 | struct symbol *symbol; |
Arnaldo Carvalho de Melo | 3653246 | 2011-02-06 14:54:44 -0200 | [diff] [blame] | 220 | int more; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 221 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 222 | if (!he) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 223 | return; |
| 224 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 225 | symbol = he->ms.sym; |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 226 | notes = symbol__annotation(symbol); |
| 227 | |
| 228 | pthread_mutex_lock(¬es->lock); |
| 229 | |
| 230 | if (notes->src == NULL) |
| 231 | goto out_unlock; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 232 | |
Arnaldo Carvalho de Melo | 7289f83 | 2012-06-12 12:34:58 -0300 | [diff] [blame] | 233 | printf("Showing %s for %s\n", perf_evsel__name(top->sym_evsel), symbol->name); |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 234 | printf(" Events Pcnt (>=%d%%)\n", top->sym_pcnt_filter); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 235 | |
Namhyung Kim | db8fd07 | 2013-03-05 14:53:21 +0900 | [diff] [blame] | 236 | more = symbol__annotate_printf(symbol, he->ms.map, top->sym_evsel, |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 237 | 0, top->sym_pcnt_filter, top->print_entries, 4); |
Arnaldo Carvalho de Melo | 5d484f9 | 2015-06-17 16:50:52 -0300 | [diff] [blame] | 238 | |
| 239 | if (top->evlist->enabled) { |
| 240 | if (top->zero) |
| 241 | symbol__annotate_zero_histogram(symbol, top->sym_evsel->idx); |
| 242 | else |
| 243 | symbol__annotate_decay_histogram(symbol, top->sym_evsel->idx); |
| 244 | } |
Arnaldo Carvalho de Melo | 3653246 | 2011-02-06 14:54:44 -0200 | [diff] [blame] | 245 | if (more != 0) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 246 | printf("%d lines not displayed, maybe increase display entries [e]\n", more); |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 247 | out_unlock: |
| 248 | pthread_mutex_unlock(¬es->lock); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 249 | } |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 250 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 251 | static void perf_top__print_sym_table(struct perf_top *top) |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 252 | { |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 253 | char bf[160]; |
| 254 | int printed = 0; |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 255 | const int win_width = top->winsize.ws_col - 1; |
Jiri Olsa | 452ce03 | 2016-01-18 10:24:00 +0100 | [diff] [blame] | 256 | struct perf_evsel *evsel = top->sym_evsel; |
| 257 | struct hists *hists = evsel__hists(evsel); |
Mike Galbraith | d94b943 | 2009-05-25 09:57:56 +0200 | [diff] [blame] | 258 | |
Frederic Weisbecker | 0f5486b | 2009-06-04 20:48:04 +0200 | [diff] [blame] | 259 | puts(CONSOLE_CLEAR); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 260 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 261 | perf_top__header_snprintf(top, bf, sizeof(bf)); |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 262 | printf("%s\n", bf); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 263 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 264 | perf_top__reset_sample_counters(top); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 265 | |
Arnaldo Carvalho de Melo | 1a105f7 | 2009-11-17 15:40:55 -0200 | [diff] [blame] | 266 | printf("%-*.*s\n", win_width, win_width, graph_dotted_line); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 267 | |
Arnaldo Carvalho de Melo | 4ea062ed | 2014-10-09 13:13:41 -0300 | [diff] [blame] | 268 | if (hists->stats.nr_lost_warned != |
| 269 | hists->stats.nr_events[PERF_RECORD_LOST]) { |
| 270 | hists->stats.nr_lost_warned = |
| 271 | hists->stats.nr_events[PERF_RECORD_LOST]; |
Arnaldo Carvalho de Melo | 7b27509 | 2011-10-29 12:15:04 -0200 | [diff] [blame] | 272 | color_fprintf(stdout, PERF_COLOR_RED, |
| 273 | "WARNING: LOST %d chunks, Check IO/CPU overload", |
Arnaldo Carvalho de Melo | 4ea062ed | 2014-10-09 13:13:41 -0300 | [diff] [blame] | 274 | hists->stats.nr_lost_warned); |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 275 | ++printed; |
Arnaldo Carvalho de Melo | 93fc64f | 2011-01-29 12:08:00 -0200 | [diff] [blame] | 276 | } |
| 277 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 278 | if (top->sym_filter_entry) { |
| 279 | perf_top__show_details(top); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 280 | return; |
| 281 | } |
| 282 | |
Arnaldo Carvalho de Melo | 5d484f9 | 2015-06-17 16:50:52 -0300 | [diff] [blame] | 283 | if (top->evlist->enabled) { |
| 284 | if (top->zero) { |
| 285 | hists__delete_entries(hists); |
| 286 | } else { |
| 287 | hists__decay_entries(hists, top->hide_user_symbols, |
| 288 | top->hide_kernel_symbols); |
| 289 | } |
Namhyung Kim | 701937b | 2014-08-12 17:16:05 +0900 | [diff] [blame] | 290 | } |
| 291 | |
Arnaldo Carvalho de Melo | 4ea062ed | 2014-10-09 13:13:41 -0300 | [diff] [blame] | 292 | hists__collapse_resort(hists, NULL); |
Jiri Olsa | 452ce03 | 2016-01-18 10:24:00 +0100 | [diff] [blame] | 293 | perf_evsel__output_resort(evsel, NULL); |
Namhyung Kim | 701937b | 2014-08-12 17:16:05 +0900 | [diff] [blame] | 294 | |
Arnaldo Carvalho de Melo | 4ea062ed | 2014-10-09 13:13:41 -0300 | [diff] [blame] | 295 | hists__output_recalc_col_len(hists, top->print_entries - printed); |
Arnaldo Carvalho de Melo | 7cc017e | 2009-11-24 12:05:14 -0200 | [diff] [blame] | 296 | putchar('\n'); |
Arnaldo Carvalho de Melo | 4ea062ed | 2014-10-09 13:13:41 -0300 | [diff] [blame] | 297 | hists__fprintf(hists, false, top->print_entries - printed, win_width, |
Namhyung Kim | fa5df94 | 2013-05-14 11:09:05 +0900 | [diff] [blame] | 298 | top->min_percent, stdout); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 299 | } |
| 300 | |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 301 | static void prompt_integer(int *target, const char *msg) |
| 302 | { |
| 303 | char *buf = malloc(0), *p; |
| 304 | size_t dummy = 0; |
| 305 | int tmp; |
| 306 | |
| 307 | fprintf(stdout, "\n%s: ", msg); |
| 308 | if (getline(&buf, &dummy, stdin) < 0) |
| 309 | return; |
| 310 | |
| 311 | p = strchr(buf, '\n'); |
| 312 | if (p) |
| 313 | *p = 0; |
| 314 | |
| 315 | p = buf; |
| 316 | while(*p) { |
| 317 | if (!isdigit(*p)) |
| 318 | goto out_free; |
| 319 | p++; |
| 320 | } |
| 321 | tmp = strtoul(buf, NULL, 10); |
| 322 | *target = tmp; |
| 323 | out_free: |
| 324 | free(buf); |
| 325 | } |
| 326 | |
| 327 | static void prompt_percent(int *target, const char *msg) |
| 328 | { |
| 329 | int tmp = 0; |
| 330 | |
| 331 | prompt_integer(&tmp, msg); |
| 332 | if (tmp >= 0 && tmp <= 100) |
| 333 | *target = tmp; |
| 334 | } |
| 335 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 336 | static void perf_top__prompt_symbol(struct perf_top *top, const char *msg) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 337 | { |
| 338 | char *buf = malloc(0), *p; |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 339 | struct hist_entry *syme = top->sym_filter_entry, *n, *found = NULL; |
Arnaldo Carvalho de Melo | 4ea062ed | 2014-10-09 13:13:41 -0300 | [diff] [blame] | 340 | struct hists *hists = evsel__hists(top->sym_evsel); |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 341 | struct rb_node *next; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 342 | size_t dummy = 0; |
| 343 | |
| 344 | /* zero counters of active symbol */ |
| 345 | if (syme) { |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 346 | __zero_source_counters(syme); |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 347 | top->sym_filter_entry = NULL; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 348 | } |
| 349 | |
| 350 | fprintf(stdout, "\n%s: ", msg); |
| 351 | if (getline(&buf, &dummy, stdin) < 0) |
| 352 | goto out_free; |
| 353 | |
| 354 | p = strchr(buf, '\n'); |
| 355 | if (p) |
| 356 | *p = 0; |
| 357 | |
Arnaldo Carvalho de Melo | 4ea062ed | 2014-10-09 13:13:41 -0300 | [diff] [blame] | 358 | next = rb_first(&hists->entries); |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 359 | while (next) { |
| 360 | n = rb_entry(next, struct hist_entry, rb_node); |
| 361 | if (n->ms.sym && !strcmp(buf, n->ms.sym->name)) { |
| 362 | found = n; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 363 | break; |
| 364 | } |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 365 | next = rb_next(&n->rb_node); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 366 | } |
| 367 | |
| 368 | if (!found) { |
Kirill Smelkov | 66aeb6d | 2010-01-13 13:22:19 -0200 | [diff] [blame] | 369 | fprintf(stderr, "Sorry, %s is not active.\n", buf); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 370 | sleep(1); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 371 | } else |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 372 | perf_top__parse_source(top, found); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 373 | |
| 374 | out_free: |
| 375 | free(buf); |
| 376 | } |
| 377 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 378 | static void perf_top__print_mapped_keys(struct perf_top *top) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 379 | { |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 380 | char *name = NULL; |
| 381 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 382 | if (top->sym_filter_entry) { |
| 383 | struct symbol *sym = top->sym_filter_entry->ms.sym; |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 384 | name = sym->name; |
| 385 | } |
| 386 | |
| 387 | fprintf(stdout, "\nMapped keys:\n"); |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 388 | fprintf(stdout, "\t[d] display refresh delay. \t(%d)\n", top->delay_secs); |
| 389 | fprintf(stdout, "\t[e] display entries (lines). \t(%d)\n", top->print_entries); |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 390 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 391 | if (top->evlist->nr_entries > 1) |
Arnaldo Carvalho de Melo | 7289f83 | 2012-06-12 12:34:58 -0300 | [diff] [blame] | 392 | fprintf(stdout, "\t[E] active event counter. \t(%s)\n", perf_evsel__name(top->sym_evsel)); |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 393 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 394 | fprintf(stdout, "\t[f] profile display filter (count). \t(%d)\n", top->count_filter); |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 395 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 396 | fprintf(stdout, "\t[F] annotate display filter (percent). \t(%d%%)\n", top->sym_pcnt_filter); |
Kirill Smelkov | 6cff0e8 | 2010-02-03 16:52:08 -0200 | [diff] [blame] | 397 | fprintf(stdout, "\t[s] annotate symbol. \t(%s)\n", name?: "NULL"); |
| 398 | fprintf(stdout, "\t[S] stop annotation.\n"); |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 399 | |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 400 | fprintf(stdout, |
Kirill Smelkov | 1a72cfa | 2010-02-12 19:20:59 +0300 | [diff] [blame] | 401 | "\t[K] hide kernel_symbols symbols. \t(%s)\n", |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 402 | top->hide_kernel_symbols ? "yes" : "no"); |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 403 | fprintf(stdout, |
| 404 | "\t[U] hide user symbols. \t(%s)\n", |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 405 | top->hide_user_symbols ? "yes" : "no"); |
| 406 | fprintf(stdout, "\t[z] toggle sample zeroing. \t(%d)\n", top->zero ? 1 : 0); |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 407 | fprintf(stdout, "\t[qQ] quit.\n"); |
| 408 | } |
| 409 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 410 | static int perf_top__key_mapped(struct perf_top *top, int c) |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 411 | { |
| 412 | switch (c) { |
| 413 | case 'd': |
| 414 | case 'e': |
| 415 | case 'f': |
| 416 | case 'z': |
| 417 | case 'q': |
| 418 | case 'Q': |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 419 | case 'K': |
| 420 | case 'U': |
Kirill Smelkov | 6cff0e8 | 2010-02-03 16:52:08 -0200 | [diff] [blame] | 421 | case 'F': |
| 422 | case 's': |
| 423 | case 'S': |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 424 | return 1; |
| 425 | case 'E': |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 426 | return top->evlist->nr_entries > 1 ? 1 : 0; |
Ingo Molnar | 83a0944 | 2009-08-15 12:26:57 +0200 | [diff] [blame] | 427 | default: |
| 428 | break; |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 429 | } |
| 430 | |
| 431 | return 0; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 432 | } |
| 433 | |
Arnaldo Carvalho de Melo | 11859e8 | 2013-01-30 13:25:53 -0300 | [diff] [blame] | 434 | static bool perf_top__handle_keypress(struct perf_top *top, int c) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 435 | { |
Arnaldo Carvalho de Melo | 11859e8 | 2013-01-30 13:25:53 -0300 | [diff] [blame] | 436 | bool ret = true; |
| 437 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 438 | if (!perf_top__key_mapped(top, c)) { |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 439 | struct pollfd stdin_poll = { .fd = 0, .events = POLLIN }; |
Jiri Olsa | 3969cc09 | 2014-08-15 16:24:45 -0300 | [diff] [blame] | 440 | struct termios save; |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 441 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 442 | perf_top__print_mapped_keys(top); |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 443 | fprintf(stdout, "\nEnter selection, or unmapped key to continue: "); |
| 444 | fflush(stdout); |
| 445 | |
Jiri Olsa | 3969cc09 | 2014-08-15 16:24:45 -0300 | [diff] [blame] | 446 | set_term_quiet_input(&save); |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 447 | |
| 448 | poll(&stdin_poll, 1, -1); |
| 449 | c = getc(stdin); |
| 450 | |
| 451 | tcsetattr(0, TCSAFLUSH, &save); |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 452 | if (!perf_top__key_mapped(top, c)) |
Arnaldo Carvalho de Melo | 11859e8 | 2013-01-30 13:25:53 -0300 | [diff] [blame] | 453 | return ret; |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 454 | } |
| 455 | |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 456 | switch (c) { |
| 457 | case 'd': |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 458 | prompt_integer(&top->delay_secs, "Enter display delay"); |
| 459 | if (top->delay_secs < 1) |
| 460 | top->delay_secs = 1; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 461 | break; |
| 462 | case 'e': |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 463 | prompt_integer(&top->print_entries, "Enter display entries (lines)"); |
| 464 | if (top->print_entries == 0) { |
| 465 | struct sigaction act = { |
| 466 | .sa_sigaction = perf_top__sig_winch, |
| 467 | .sa_flags = SA_SIGINFO, |
| 468 | }; |
| 469 | perf_top__sig_winch(SIGWINCH, NULL, top); |
| 470 | sigaction(SIGWINCH, &act, NULL); |
Stephane Eranian | 509605d | 2012-01-30 11:50:37 +0100 | [diff] [blame] | 471 | } else { |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 472 | signal(SIGWINCH, SIG_DFL); |
Stephane Eranian | 509605d | 2012-01-30 11:50:37 +0100 | [diff] [blame] | 473 | } |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 474 | break; |
| 475 | case 'E': |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 476 | if (top->evlist->nr_entries > 1) { |
Akihiro Nagai | ce2d17c | 2011-03-23 16:29:39 +0900 | [diff] [blame] | 477 | /* Select 0 as the default event: */ |
| 478 | int counter = 0; |
| 479 | |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 480 | fprintf(stderr, "\nAvailable events:"); |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 481 | |
Arnaldo Carvalho de Melo | 0050f7a | 2014-01-10 10:37:27 -0300 | [diff] [blame] | 482 | evlist__for_each(top->evlist, top->sym_evsel) |
Arnaldo Carvalho de Melo | 7289f83 | 2012-06-12 12:34:58 -0300 | [diff] [blame] | 483 | fprintf(stderr, "\n\t%d %s", top->sym_evsel->idx, perf_evsel__name(top->sym_evsel)); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 484 | |
Arnaldo Carvalho de Melo | ec52d97 | 2011-03-11 10:11:48 -0300 | [diff] [blame] | 485 | prompt_integer(&counter, "Enter details event counter"); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 486 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 487 | if (counter >= top->evlist->nr_entries) { |
Arnaldo Carvalho de Melo | 0c21f73 | 2012-08-14 16:42:15 -0300 | [diff] [blame] | 488 | top->sym_evsel = perf_evlist__first(top->evlist); |
Arnaldo Carvalho de Melo | 7289f83 | 2012-06-12 12:34:58 -0300 | [diff] [blame] | 489 | fprintf(stderr, "Sorry, no such event, using %s.\n", perf_evsel__name(top->sym_evsel)); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 490 | sleep(1); |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 491 | break; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 492 | } |
Arnaldo Carvalho de Melo | 0050f7a | 2014-01-10 10:37:27 -0300 | [diff] [blame] | 493 | evlist__for_each(top->evlist, top->sym_evsel) |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 494 | if (top->sym_evsel->idx == counter) |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 495 | break; |
Arnaldo Carvalho de Melo | ec52d97 | 2011-03-11 10:11:48 -0300 | [diff] [blame] | 496 | } else |
Arnaldo Carvalho de Melo | 0c21f73 | 2012-08-14 16:42:15 -0300 | [diff] [blame] | 497 | top->sym_evsel = perf_evlist__first(top->evlist); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 498 | break; |
| 499 | case 'f': |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 500 | prompt_integer(&top->count_filter, "Enter display event count filter"); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 501 | break; |
| 502 | case 'F': |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 503 | prompt_percent(&top->sym_pcnt_filter, |
| 504 | "Enter details display event filter (percent)"); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 505 | break; |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 506 | case 'K': |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 507 | top->hide_kernel_symbols = !top->hide_kernel_symbols; |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 508 | break; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 509 | case 'q': |
| 510 | case 'Q': |
| 511 | printf("exiting.\n"); |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 512 | if (top->dump_symtab) |
| 513 | perf_session__fprintf_dsos(top->session, stderr); |
Arnaldo Carvalho de Melo | 11859e8 | 2013-01-30 13:25:53 -0300 | [diff] [blame] | 514 | ret = false; |
| 515 | break; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 516 | case 's': |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 517 | perf_top__prompt_symbol(top, "Enter details symbol"); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 518 | break; |
| 519 | case 'S': |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 520 | if (!top->sym_filter_entry) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 521 | break; |
| 522 | else { |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 523 | struct hist_entry *syme = top->sym_filter_entry; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 524 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 525 | top->sym_filter_entry = NULL; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 526 | __zero_source_counters(syme); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 527 | } |
| 528 | break; |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 529 | case 'U': |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 530 | top->hide_user_symbols = !top->hide_user_symbols; |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 531 | break; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 532 | case 'z': |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 533 | top->zero = !top->zero; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 534 | break; |
Ingo Molnar | 83a0944 | 2009-08-15 12:26:57 +0200 | [diff] [blame] | 535 | default: |
| 536 | break; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 537 | } |
Arnaldo Carvalho de Melo | 11859e8 | 2013-01-30 13:25:53 -0300 | [diff] [blame] | 538 | |
| 539 | return ret; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 540 | } |
| 541 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 542 | static void perf_top__sort_new_samples(void *arg) |
| 543 | { |
| 544 | struct perf_top *t = arg; |
Jiri Olsa | 452ce03 | 2016-01-18 10:24:00 +0100 | [diff] [blame] | 545 | struct perf_evsel *evsel = t->sym_evsel; |
Arnaldo Carvalho de Melo | 4ea062ed | 2014-10-09 13:13:41 -0300 | [diff] [blame] | 546 | struct hists *hists; |
| 547 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 548 | perf_top__reset_sample_counters(t); |
| 549 | |
| 550 | if (t->evlist->selected != NULL) |
| 551 | t->sym_evsel = t->evlist->selected; |
| 552 | |
Jiri Olsa | 452ce03 | 2016-01-18 10:24:00 +0100 | [diff] [blame] | 553 | hists = evsel__hists(evsel); |
Arnaldo Carvalho de Melo | 4ea062ed | 2014-10-09 13:13:41 -0300 | [diff] [blame] | 554 | |
Arnaldo Carvalho de Melo | 5d484f9 | 2015-06-17 16:50:52 -0300 | [diff] [blame] | 555 | if (t->evlist->enabled) { |
| 556 | if (t->zero) { |
| 557 | hists__delete_entries(hists); |
| 558 | } else { |
| 559 | hists__decay_entries(hists, t->hide_user_symbols, |
| 560 | t->hide_kernel_symbols); |
| 561 | } |
Namhyung Kim | 701937b | 2014-08-12 17:16:05 +0900 | [diff] [blame] | 562 | } |
| 563 | |
Arnaldo Carvalho de Melo | 4ea062ed | 2014-10-09 13:13:41 -0300 | [diff] [blame] | 564 | hists__collapse_resort(hists, NULL); |
Jiri Olsa | 452ce03 | 2016-01-18 10:24:00 +0100 | [diff] [blame] | 565 | perf_evsel__output_resort(evsel, NULL); |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 566 | } |
| 567 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 568 | static void *display_thread_tui(void *arg) |
Arnaldo Carvalho de Melo | c0443df | 2011-01-31 18:19:33 -0200 | [diff] [blame] | 569 | { |
Arnaldo Carvalho de Melo | 0d37aa3 | 2012-01-19 14:08:15 -0200 | [diff] [blame] | 570 | struct perf_evsel *pos; |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 571 | struct perf_top *top = arg; |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 572 | const char *help = "For a higher level overview, try: perf top --sort comm,dso"; |
Namhyung Kim | 9783adf | 2012-11-02 14:50:05 +0900 | [diff] [blame] | 573 | struct hist_browser_timer hbt = { |
| 574 | .timer = perf_top__sort_new_samples, |
| 575 | .arg = top, |
| 576 | .refresh = top->delay_secs, |
| 577 | }; |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 578 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 579 | perf_top__sort_new_samples(top); |
Arnaldo Carvalho de Melo | 0d37aa3 | 2012-01-19 14:08:15 -0200 | [diff] [blame] | 580 | |
| 581 | /* |
| 582 | * Initialize the uid_filter_str, in the future the TUI will allow |
| 583 | * Zooming in/out UIDs. For now juse use whatever the user passed |
| 584 | * via --uid. |
| 585 | */ |
Arnaldo Carvalho de Melo | 4ea062ed | 2014-10-09 13:13:41 -0300 | [diff] [blame] | 586 | evlist__for_each(top->evlist, pos) { |
| 587 | struct hists *hists = evsel__hists(pos); |
| 588 | hists->uid_filter_str = top->record_opts.target.uid_str; |
| 589 | } |
Arnaldo Carvalho de Melo | 0d37aa3 | 2012-01-19 14:08:15 -0200 | [diff] [blame] | 590 | |
Namhyung Kim | 13d1e53 | 2015-06-21 12:41:16 +0900 | [diff] [blame] | 591 | perf_evlist__tui_browse_hists(top->evlist, help, &hbt, |
| 592 | top->min_percent, |
| 593 | &top->session->header.env); |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 594 | |
Arnaldo Carvalho de Melo | 11859e8 | 2013-01-30 13:25:53 -0300 | [diff] [blame] | 595 | done = 1; |
Arnaldo Carvalho de Melo | c0443df | 2011-01-31 18:19:33 -0200 | [diff] [blame] | 596 | return NULL; |
| 597 | } |
| 598 | |
Jiri Olsa | 4a1a997 | 2014-08-11 10:50:07 +0200 | [diff] [blame] | 599 | static void display_sig(int sig __maybe_unused) |
| 600 | { |
| 601 | done = 1; |
| 602 | } |
| 603 | |
| 604 | static void display_setup_sig(void) |
| 605 | { |
Arnaldo Carvalho de Melo | 09f4d78 | 2015-08-19 15:16:08 -0300 | [diff] [blame] | 606 | signal(SIGSEGV, sighandler_dump_stack); |
| 607 | signal(SIGFPE, sighandler_dump_stack); |
Jiri Olsa | 4a1a997 | 2014-08-11 10:50:07 +0200 | [diff] [blame] | 608 | signal(SIGINT, display_sig); |
| 609 | signal(SIGQUIT, display_sig); |
| 610 | signal(SIGTERM, display_sig); |
| 611 | } |
| 612 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 613 | static void *display_thread(void *arg) |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 614 | { |
Frederic Weisbecker | 0f5486b | 2009-06-04 20:48:04 +0200 | [diff] [blame] | 615 | struct pollfd stdin_poll = { .fd = 0, .events = POLLIN }; |
Jiri Olsa | 9398c48 | 2014-08-11 10:50:02 +0200 | [diff] [blame] | 616 | struct termios save; |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 617 | struct perf_top *top = arg; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 618 | int delay_msecs, c; |
Frederic Weisbecker | 0f5486b | 2009-06-04 20:48:04 +0200 | [diff] [blame] | 619 | |
Jiri Olsa | 4a1a997 | 2014-08-11 10:50:07 +0200 | [diff] [blame] | 620 | display_setup_sig(); |
Arnaldo Carvalho de Melo | 3af6e33 | 2011-10-13 08:52:46 -0300 | [diff] [blame] | 621 | pthread__unblock_sigwinch(); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 622 | repeat: |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 623 | delay_msecs = top->delay_secs * 1000; |
Jiri Olsa | 9398c48 | 2014-08-11 10:50:02 +0200 | [diff] [blame] | 624 | set_term_quiet_input(&save); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 625 | /* trash return*/ |
| 626 | getc(stdin); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 627 | |
Arnaldo Carvalho de Melo | 11859e8 | 2013-01-30 13:25:53 -0300 | [diff] [blame] | 628 | while (!done) { |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 629 | perf_top__print_sym_table(top); |
Arnaldo Carvalho de Melo | 3af6e33 | 2011-10-13 08:52:46 -0300 | [diff] [blame] | 630 | /* |
| 631 | * Either timeout expired or we got an EINTR due to SIGWINCH, |
| 632 | * refresh screen in both cases. |
| 633 | */ |
| 634 | switch (poll(&stdin_poll, 1, delay_msecs)) { |
| 635 | case 0: |
| 636 | continue; |
| 637 | case -1: |
| 638 | if (errno == EINTR) |
| 639 | continue; |
| 640 | /* Fall trhu */ |
| 641 | default: |
Arnaldo Carvalho de Melo | 11859e8 | 2013-01-30 13:25:53 -0300 | [diff] [blame] | 642 | c = getc(stdin); |
| 643 | tcsetattr(0, TCSAFLUSH, &save); |
| 644 | |
| 645 | if (perf_top__handle_keypress(top, c)) |
| 646 | goto repeat; |
| 647 | done = 1; |
Arnaldo Carvalho de Melo | 3af6e33 | 2011-10-13 08:52:46 -0300 | [diff] [blame] | 648 | } |
| 649 | } |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 650 | |
Jiri Olsa | 4a1a997 | 2014-08-11 10:50:07 +0200 | [diff] [blame] | 651 | tcsetattr(0, TCSAFLUSH, &save); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 652 | return NULL; |
| 653 | } |
| 654 | |
Arnaldo Carvalho de Melo | e7110b9 | 2014-08-08 18:00:39 -0300 | [diff] [blame] | 655 | static int symbol_filter(struct map *map, struct symbol *sym) |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 656 | { |
Arnaldo Carvalho de Melo | de04687 | 2009-05-28 14:55:41 -0300 | [diff] [blame] | 657 | const char *name = sym->name; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 658 | |
Arnaldo Carvalho de Melo | cfc5acd | 2015-09-23 15:15:54 -0300 | [diff] [blame] | 659 | if (!__map__is_kernel(map)) |
Arnaldo Carvalho de Melo | e7110b9 | 2014-08-08 18:00:39 -0300 | [diff] [blame] | 660 | return 0; |
Anton Blanchard | 3a3393e | 2009-07-01 09:00:47 +1000 | [diff] [blame] | 661 | /* |
| 662 | * ppc64 uses function descriptors and appends a '.' to the |
| 663 | * start of every instruction address. Remove it. |
| 664 | */ |
| 665 | if (name[0] == '.') |
| 666 | name++; |
| 667 | |
Arnaldo Carvalho de Melo | de04687 | 2009-05-28 14:55:41 -0300 | [diff] [blame] | 668 | if (!strcmp(name, "_text") || |
| 669 | !strcmp(name, "_etext") || |
| 670 | !strcmp(name, "_sinittext") || |
| 671 | !strncmp("init_module", name, 11) || |
| 672 | !strncmp("cleanup_module", name, 14) || |
| 673 | strstr(name, "_text_start") || |
| 674 | strstr(name, "_text_end")) |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 675 | return 1; |
| 676 | |
David Ahern | 82d1deb | 2013-11-18 13:32:45 -0700 | [diff] [blame] | 677 | if (symbol__is_idle(sym)) |
| 678 | sym->ignore = true; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 679 | |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 680 | return 0; |
| 681 | } |
| 682 | |
Namhyung Kim | 7c50391 | 2014-01-07 17:41:03 +0900 | [diff] [blame] | 683 | static int hist_iter__top_callback(struct hist_entry_iter *iter, |
| 684 | struct addr_location *al, bool single, |
| 685 | void *arg) |
| 686 | { |
| 687 | struct perf_top *top = arg; |
| 688 | struct hist_entry *he = iter->he; |
| 689 | struct perf_evsel *evsel = iter->evsel; |
| 690 | |
Namhyung Kim | 64226bc | 2015-12-11 11:56:53 +0900 | [diff] [blame] | 691 | if (sort__has_sym && single) |
| 692 | perf_top__record_precise_ip(top, he, evsel->idx, al->addr); |
Namhyung Kim | 7c50391 | 2014-01-07 17:41:03 +0900 | [diff] [blame] | 693 | |
Andi Kleen | a18b027 | 2015-07-18 08:24:52 -0700 | [diff] [blame] | 694 | hist__account_cycles(iter->sample->branch_stack, al, iter->sample, |
| 695 | !(top->record_opts.branch_stack & PERF_SAMPLE_BRANCH_ANY)); |
Namhyung Kim | 7c50391 | 2014-01-07 17:41:03 +0900 | [diff] [blame] | 696 | return 0; |
| 697 | } |
| 698 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 699 | static void perf_event__process_sample(struct perf_tool *tool, |
| 700 | const union perf_event *event, |
Arnaldo Carvalho de Melo | 7b27509 | 2011-10-29 12:15:04 -0200 | [diff] [blame] | 701 | struct perf_evsel *evsel, |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 702 | struct perf_sample *sample, |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 703 | struct machine *machine) |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 704 | { |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 705 | struct perf_top *top = container_of(tool, struct perf_top, tool); |
Arnaldo Carvalho de Melo | 1ed091c | 2009-11-27 16:29:23 -0200 | [diff] [blame] | 706 | struct addr_location al; |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 707 | int err; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 708 | |
Arnaldo Carvalho de Melo | 23346f2 | 2010-04-27 21:17:50 -0300 | [diff] [blame] | 709 | if (!machine && perf_guest) { |
David Ahern | 6b118e9 | 2012-07-30 22:31:35 -0600 | [diff] [blame] | 710 | static struct intlist *seen; |
| 711 | |
| 712 | if (!seen) |
Arnaldo Carvalho de Melo | ffe0fb7 | 2013-01-24 16:17:27 -0300 | [diff] [blame] | 713 | seen = intlist__new(NULL); |
David Ahern | 6b118e9 | 2012-07-30 22:31:35 -0600 | [diff] [blame] | 714 | |
Adrian Hunter | ef89325 | 2013-08-27 11:23:06 +0300 | [diff] [blame] | 715 | if (!intlist__has_entry(seen, sample->pid)) { |
David Ahern | 6b118e9 | 2012-07-30 22:31:35 -0600 | [diff] [blame] | 716 | pr_err("Can't find guest [%d]'s kernel information\n", |
Adrian Hunter | ef89325 | 2013-08-27 11:23:06 +0300 | [diff] [blame] | 717 | sample->pid); |
| 718 | intlist__add(seen, sample->pid); |
David Ahern | 6b118e9 | 2012-07-30 22:31:35 -0600 | [diff] [blame] | 719 | } |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 720 | return; |
| 721 | } |
| 722 | |
Joerg Roedel | 0c09571 | 2012-02-10 18:05:04 +0100 | [diff] [blame] | 723 | if (!machine) { |
Arnaldo Carvalho de Melo | 11859e8 | 2013-01-30 13:25:53 -0300 | [diff] [blame] | 724 | pr_err("%u unprocessable samples recorded.\r", |
Arnaldo Carvalho de Melo | 75be989 | 2015-02-14 14:50:11 -0300 | [diff] [blame] | 725 | top->session->evlist->stats.nr_unprocessable_samples++); |
Joerg Roedel | 0c09571 | 2012-02-10 18:05:04 +0100 | [diff] [blame] | 726 | return; |
| 727 | } |
| 728 | |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 729 | if (event->header.misc & PERF_RECORD_MISC_EXACT_IP) |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 730 | top->exact_samples++; |
Peter Zijlstra | 1676b8a | 2010-03-04 14:19:36 +0100 | [diff] [blame] | 731 | |
Arnaldo Carvalho de Melo | bb3eb56 | 2016-03-22 18:39:09 -0300 | [diff] [blame] | 732 | if (machine__resolve(machine, &al, sample) < 0) |
Arnaldo Carvalho de Melo | 1ed091c | 2009-11-27 16:29:23 -0200 | [diff] [blame] | 733 | return; |
Arnaldo Carvalho de Melo | 5b2bb75 | 2009-10-26 19:23:19 -0200 | [diff] [blame] | 734 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 735 | if (!top->kptr_restrict_warned && |
Arnaldo Carvalho de Melo | 5f6f558 | 2011-05-27 11:53:28 -0300 | [diff] [blame] | 736 | symbol_conf.kptr_restrict && |
| 737 | al.cpumode == PERF_RECORD_MISC_KERNEL) { |
| 738 | ui__warning( |
| 739 | "Kernel address maps (/proc/{kallsyms,modules}) are restricted.\n\n" |
| 740 | "Check /proc/sys/kernel/kptr_restrict.\n\n" |
| 741 | "Kernel%s samples will not be resolved.\n", |
Wang Nan | c671835 | 2015-04-25 07:25:03 +0000 | [diff] [blame] | 742 | al.map && !RB_EMPTY_ROOT(&al.map->dso->symbols[MAP__FUNCTION]) ? |
Arnaldo Carvalho de Melo | 5f6f558 | 2011-05-27 11:53:28 -0300 | [diff] [blame] | 743 | " modules" : ""); |
| 744 | if (use_browser <= 0) |
| 745 | sleep(5); |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 746 | top->kptr_restrict_warned = true; |
Arnaldo Carvalho de Melo | 5f6f558 | 2011-05-27 11:53:28 -0300 | [diff] [blame] | 747 | } |
| 748 | |
Arnaldo Carvalho de Melo | 72b8fa1 | 2010-01-27 21:05:49 -0200 | [diff] [blame] | 749 | if (al.sym == NULL) { |
Arnaldo Carvalho de Melo | e4a338d | 2011-05-27 13:42:16 -0300 | [diff] [blame] | 750 | const char *msg = "Kernel samples will not be resolved.\n"; |
Arnaldo Carvalho de Melo | 72b8fa1 | 2010-01-27 21:05:49 -0200 | [diff] [blame] | 751 | /* |
| 752 | * As we do lazy loading of symtabs we only will know if the |
| 753 | * specified vmlinux file is invalid when we actually have a |
| 754 | * hit in kernel space and then try to load it. So if we get |
| 755 | * here and there are _no_ symbols in the DSO backing the |
| 756 | * kernel map, bail out. |
| 757 | * |
| 758 | * We may never get here, for instance, if we use -K/ |
| 759 | * --hide-kernel-symbols, even if the user specifies an |
| 760 | * invalid --vmlinux ;-) |
| 761 | */ |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 762 | if (!top->kptr_restrict_warned && !top->vmlinux_warned && |
Arnaldo Carvalho de Melo | e4a338d | 2011-05-27 13:42:16 -0300 | [diff] [blame] | 763 | al.map == machine->vmlinux_maps[MAP__FUNCTION] && |
Arnaldo Carvalho de Melo | 72b8fa1 | 2010-01-27 21:05:49 -0200 | [diff] [blame] | 764 | RB_EMPTY_ROOT(&al.map->dso->symbols[MAP__FUNCTION])) { |
Arnaldo Carvalho de Melo | e4a338d | 2011-05-27 13:42:16 -0300 | [diff] [blame] | 765 | if (symbol_conf.vmlinux_name) { |
Arnaldo Carvalho de Melo | 18425f1 | 2015-03-24 11:49:02 -0300 | [diff] [blame] | 766 | char serr[256]; |
| 767 | dso__strerror_load(al.map->dso, serr, sizeof(serr)); |
| 768 | ui__warning("The %s file can't be used: %s\n%s", |
| 769 | symbol_conf.vmlinux_name, serr, msg); |
Arnaldo Carvalho de Melo | e4a338d | 2011-05-27 13:42:16 -0300 | [diff] [blame] | 770 | } else { |
| 771 | ui__warning("A vmlinux file was not found.\n%s", |
| 772 | msg); |
| 773 | } |
| 774 | |
| 775 | if (use_browser <= 0) |
| 776 | sleep(5); |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 777 | top->vmlinux_warned = true; |
Arnaldo Carvalho de Melo | 72b8fa1 | 2010-01-27 21:05:49 -0200 | [diff] [blame] | 778 | } |
Arnaldo Carvalho de Melo | 72b8fa1 | 2010-01-27 21:05:49 -0200 | [diff] [blame] | 779 | } |
| 780 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 781 | if (al.sym == NULL || !al.sym->ignore) { |
Arnaldo Carvalho de Melo | 4ea062ed | 2014-10-09 13:13:41 -0300 | [diff] [blame] | 782 | struct hists *hists = evsel__hists(evsel); |
Namhyung Kim | 7c50391 | 2014-01-07 17:41:03 +0900 | [diff] [blame] | 783 | struct hist_entry_iter iter = { |
Namhyung Kim | 063bd93 | 2015-05-19 17:04:10 +0900 | [diff] [blame] | 784 | .evsel = evsel, |
| 785 | .sample = sample, |
| 786 | .add_entry_cb = hist_iter__top_callback, |
Namhyung Kim | 7c50391 | 2014-01-07 17:41:03 +0900 | [diff] [blame] | 787 | }; |
Arnaldo Carvalho de Melo | 70db753 | 2011-01-12 22:39:13 -0200 | [diff] [blame] | 788 | |
Namhyung Kim | 7c50391 | 2014-01-07 17:41:03 +0900 | [diff] [blame] | 789 | if (symbol_conf.cumulate_callchain) |
| 790 | iter.ops = &hist_iter_cumulative; |
| 791 | else |
| 792 | iter.ops = &hist_iter_normal; |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 793 | |
Arnaldo Carvalho de Melo | 4ea062ed | 2014-10-09 13:13:41 -0300 | [diff] [blame] | 794 | pthread_mutex_lock(&hists->lock); |
Namhyung Kim | 7c50391 | 2014-01-07 17:41:03 +0900 | [diff] [blame] | 795 | |
Namhyung Kim | 063bd93 | 2015-05-19 17:04:10 +0900 | [diff] [blame] | 796 | err = hist_entry_iter__add(&iter, &al, top->max_stack, top); |
Namhyung Kim | 7c50391 | 2014-01-07 17:41:03 +0900 | [diff] [blame] | 797 | if (err < 0) |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 798 | pr_err("Problem incrementing symbol period, skipping event\n"); |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 799 | |
Arnaldo Carvalho de Melo | 4ea062ed | 2014-10-09 13:13:41 -0300 | [diff] [blame] | 800 | pthread_mutex_unlock(&hists->lock); |
Arnaldo Carvalho de Melo | 5b2bb75 | 2009-10-26 19:23:19 -0200 | [diff] [blame] | 801 | } |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 802 | |
Arnaldo Carvalho de Melo | b91fc39 | 2015-04-06 20:43:22 -0300 | [diff] [blame] | 803 | addr_location__put(&al); |
Arnaldo Carvalho de Melo | 5b2bb75 | 2009-10-26 19:23:19 -0200 | [diff] [blame] | 804 | } |
| 805 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 806 | static void perf_top__mmap_read_idx(struct perf_top *top, int idx) |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 807 | { |
Arnaldo Carvalho de Melo | 8d50e5b | 2011-01-29 13:02:00 -0200 | [diff] [blame] | 808 | struct perf_sample sample; |
Arnaldo Carvalho de Melo | 7b27509 | 2011-10-29 12:15:04 -0200 | [diff] [blame] | 809 | struct perf_evsel *evsel; |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 810 | struct perf_session *session = top->session; |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 811 | union perf_event *event; |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 812 | struct machine *machine; |
Frederic Weisbecker | 5538bec | 2011-05-22 02:17:22 +0200 | [diff] [blame] | 813 | int ret; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 814 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 815 | while ((event = perf_evlist__mmap_read(top->evlist, idx)) != NULL) { |
Arnaldo Carvalho de Melo | 0807d2d | 2012-09-26 12:48:18 -0300 | [diff] [blame] | 816 | ret = perf_evlist__parse_sample(top->evlist, event, &sample); |
Frederic Weisbecker | 5538bec | 2011-05-22 02:17:22 +0200 | [diff] [blame] | 817 | if (ret) { |
| 818 | pr_err("Can't parse sample, err = %d\n", ret); |
Zhouyi Zhou | 8e50d38 | 2013-10-24 15:43:33 +0800 | [diff] [blame] | 819 | goto next_event; |
Frederic Weisbecker | 5538bec | 2011-05-22 02:17:22 +0200 | [diff] [blame] | 820 | } |
Arnaldo Carvalho de Melo | 04391de | 2011-01-15 10:40:59 -0200 | [diff] [blame] | 821 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 822 | evsel = perf_evlist__id2evsel(session->evlist, sample.id); |
Arnaldo Carvalho de Melo | 7b27509 | 2011-10-29 12:15:04 -0200 | [diff] [blame] | 823 | assert(evsel != NULL); |
| 824 | |
Arnaldo Carvalho de Melo | 5b2bb75 | 2009-10-26 19:23:19 -0200 | [diff] [blame] | 825 | if (event->header.type == PERF_RECORD_SAMPLE) |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 826 | ++top->samples; |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 827 | |
Arnaldo Carvalho de Melo | 473398a | 2016-03-22 18:23:43 -0300 | [diff] [blame] | 828 | switch (sample.cpumode) { |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 829 | case PERF_RECORD_MISC_USER: |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 830 | ++top->us_samples; |
| 831 | if (top->hide_user_symbols) |
Zhouyi Zhou | 8e50d38 | 2013-10-24 15:43:33 +0800 | [diff] [blame] | 832 | goto next_event; |
Arnaldo Carvalho de Melo | 34ba512 | 2012-12-19 09:04:24 -0300 | [diff] [blame] | 833 | machine = &session->machines.host; |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 834 | break; |
| 835 | case PERF_RECORD_MISC_KERNEL: |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 836 | ++top->kernel_samples; |
| 837 | if (top->hide_kernel_symbols) |
Zhouyi Zhou | 8e50d38 | 2013-10-24 15:43:33 +0800 | [diff] [blame] | 838 | goto next_event; |
Arnaldo Carvalho de Melo | 34ba512 | 2012-12-19 09:04:24 -0300 | [diff] [blame] | 839 | machine = &session->machines.host; |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 840 | break; |
| 841 | case PERF_RECORD_MISC_GUEST_KERNEL: |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 842 | ++top->guest_kernel_samples; |
Adrian Hunter | ef89325 | 2013-08-27 11:23:06 +0300 | [diff] [blame] | 843 | machine = perf_session__find_machine(session, |
| 844 | sample.pid); |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 845 | break; |
| 846 | case PERF_RECORD_MISC_GUEST_USER: |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 847 | ++top->guest_us_samples; |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 848 | /* |
| 849 | * TODO: we don't process guest user from host side |
| 850 | * except simple counting. |
| 851 | */ |
Zhouyi Zhou | 8e50d38 | 2013-10-24 15:43:33 +0800 | [diff] [blame] | 852 | goto next_event; |
Namhyung Kim | 4b37af5 | 2015-09-30 10:45:25 +0900 | [diff] [blame] | 853 | default: |
| 854 | if (event->header.type == PERF_RECORD_SAMPLE) |
| 855 | goto next_event; |
| 856 | machine = &session->machines.host; |
| 857 | break; |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 858 | } |
| 859 | |
| 860 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 861 | if (event->header.type == PERF_RECORD_SAMPLE) { |
| 862 | perf_event__process_sample(&top->tool, event, evsel, |
| 863 | &sample, machine); |
| 864 | } else if (event->header.type < PERF_RECORD_MAX) { |
Arnaldo Carvalho de Melo | 4ea062ed | 2014-10-09 13:13:41 -0300 | [diff] [blame] | 865 | hists__inc_nr_events(evsel__hists(evsel), event->header.type); |
Frederic Weisbecker | 162f0be | 2013-09-11 16:18:24 +0200 | [diff] [blame] | 866 | machine__process_event(machine, event, &sample); |
Arnaldo Carvalho de Melo | 7b27509 | 2011-10-29 12:15:04 -0200 | [diff] [blame] | 867 | } else |
Arnaldo Carvalho de Melo | 75be989 | 2015-02-14 14:50:11 -0300 | [diff] [blame] | 868 | ++session->evlist->stats.nr_unknown_events; |
Zhouyi Zhou | 8e50d38 | 2013-10-24 15:43:33 +0800 | [diff] [blame] | 869 | next_event: |
| 870 | perf_evlist__mmap_consume(top->evlist, idx); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 871 | } |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 872 | } |
| 873 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 874 | static void perf_top__mmap_read(struct perf_top *top) |
Frederic Weisbecker | 2f01190 | 2009-06-06 23:10:43 +0200 | [diff] [blame] | 875 | { |
Arnaldo Carvalho de Melo | 70db753 | 2011-01-12 22:39:13 -0200 | [diff] [blame] | 876 | int i; |
Frederic Weisbecker | 2f01190 | 2009-06-06 23:10:43 +0200 | [diff] [blame] | 877 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 878 | for (i = 0; i < top->evlist->nr_mmaps; i++) |
| 879 | perf_top__mmap_read_idx(top, i); |
Frederic Weisbecker | 2f01190 | 2009-06-06 23:10:43 +0200 | [diff] [blame] | 880 | } |
| 881 | |
Arnaldo Carvalho de Melo | 11859e8 | 2013-01-30 13:25:53 -0300 | [diff] [blame] | 882 | static int perf_top__start_counters(struct perf_top *top) |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 883 | { |
Arnaldo Carvalho de Melo | 56e52e8 | 2012-12-13 15:10:58 -0300 | [diff] [blame] | 884 | char msg[512]; |
Jiri Olsa | 6a4bb04 | 2012-08-08 12:22:36 +0200 | [diff] [blame] | 885 | struct perf_evsel *counter; |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 886 | struct perf_evlist *evlist = top->evlist; |
Arnaldo Carvalho de Melo | b400679 | 2013-12-19 14:43:45 -0300 | [diff] [blame] | 887 | struct record_opts *opts = &top->record_opts; |
Arnaldo Carvalho de Melo | 727ab04 | 2011-10-25 10:42:19 -0200 | [diff] [blame] | 888 | |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 889 | perf_evlist__config(evlist, opts); |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 890 | |
Arnaldo Carvalho de Melo | 0050f7a | 2014-01-10 10:37:27 -0300 | [diff] [blame] | 891 | evlist__for_each(evlist, counter) { |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 892 | try_again: |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 893 | if (perf_evsel__open(counter, top->evlist->cpus, |
Jiri Olsa | 6a4bb04 | 2012-08-08 12:22:36 +0200 | [diff] [blame] | 894 | top->evlist->threads) < 0) { |
Arnaldo Carvalho de Melo | 56e52e8 | 2012-12-13 15:10:58 -0300 | [diff] [blame] | 895 | if (perf_evsel__fallback(counter, errno, msg, sizeof(msg))) { |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 896 | if (verbose) |
Arnaldo Carvalho de Melo | c0a5434 | 2012-12-13 14:16:30 -0300 | [diff] [blame] | 897 | ui__warning("%s\n", msg); |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 898 | goto try_again; |
| 899 | } |
Arnaldo Carvalho de Melo | c286c41 | 2011-03-28 09:50:11 -0300 | [diff] [blame] | 900 | |
Arnaldo Carvalho de Melo | 56e52e8 | 2012-12-13 15:10:58 -0300 | [diff] [blame] | 901 | perf_evsel__open_strerror(counter, &opts->target, |
| 902 | errno, msg, sizeof(msg)); |
| 903 | ui__error("%s\n", msg); |
Arnaldo Carvalho de Melo | c286c41 | 2011-03-28 09:50:11 -0300 | [diff] [blame] | 904 | goto out_err; |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 905 | } |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 906 | } |
Arnaldo Carvalho de Melo | 70db753 | 2011-01-12 22:39:13 -0200 | [diff] [blame] | 907 | |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 908 | if (perf_evlist__mmap(evlist, opts->mmap_pages, false) < 0) { |
Namhyung Kim | 3780f48 | 2012-05-29 13:22:57 +0900 | [diff] [blame] | 909 | ui__error("Failed to mmap with %d (%s)\n", |
Masami Hiramatsu | 809adea6 | 2014-08-14 02:22:38 +0000 | [diff] [blame] | 910 | errno, strerror_r(errno, msg, sizeof(msg))); |
Arnaldo Carvalho de Melo | c286c41 | 2011-03-28 09:50:11 -0300 | [diff] [blame] | 911 | goto out_err; |
| 912 | } |
| 913 | |
Arnaldo Carvalho de Melo | 11859e8 | 2013-01-30 13:25:53 -0300 | [diff] [blame] | 914 | return 0; |
Arnaldo Carvalho de Melo | c286c41 | 2011-03-28 09:50:11 -0300 | [diff] [blame] | 915 | |
| 916 | out_err: |
Arnaldo Carvalho de Melo | 11859e8 | 2013-01-30 13:25:53 -0300 | [diff] [blame] | 917 | return -1; |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 918 | } |
| 919 | |
Namhyung Kim | 8f0f684 | 2013-04-05 10:26:37 +0900 | [diff] [blame] | 920 | static int perf_top__setup_sample_type(struct perf_top *top __maybe_unused) |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 921 | { |
Namhyung Kim | 8f0f684 | 2013-04-05 10:26:37 +0900 | [diff] [blame] | 922 | if (!sort__has_sym) { |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 923 | if (symbol_conf.use_callchain) { |
Namhyung Kim | 3780f48 | 2012-05-29 13:22:57 +0900 | [diff] [blame] | 924 | ui__error("Selected -g but \"sym\" not present in --sort/-s."); |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 925 | return -EINVAL; |
| 926 | } |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 927 | } else if (callchain_param.mode != CHAIN_NONE) { |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 928 | if (callchain_register_param(&callchain_param) < 0) { |
Namhyung Kim | 3780f48 | 2012-05-29 13:22:57 +0900 | [diff] [blame] | 929 | ui__error("Can't register callchain params.\n"); |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 930 | return -EINVAL; |
| 931 | } |
| 932 | } |
| 933 | |
| 934 | return 0; |
| 935 | } |
| 936 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 937 | static int __cmd_top(struct perf_top *top) |
Ingo Molnar | 716c69f | 2009-06-07 17:31:52 +0200 | [diff] [blame] | 938 | { |
Arnaldo Carvalho de Melo | b400679 | 2013-12-19 14:43:45 -0300 | [diff] [blame] | 939 | struct record_opts *opts = &top->record_opts; |
Ingo Molnar | 716c69f | 2009-06-07 17:31:52 +0200 | [diff] [blame] | 940 | pthread_t thread; |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 941 | int ret; |
Jiri Olsa | f5fc141 | 2013-10-15 16:27:32 +0200 | [diff] [blame] | 942 | |
Jiri Olsa | 6a4d98d | 2013-10-15 16:27:33 +0200 | [diff] [blame] | 943 | top->session = perf_session__new(NULL, false, NULL); |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 944 | if (top->session == NULL) |
Taeung Song | 52e02834 | 2014-09-24 10:33:37 +0900 | [diff] [blame] | 945 | return -1; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 946 | |
Adrian Hunter | 36035f7 | 2013-08-08 14:32:21 +0300 | [diff] [blame] | 947 | machines__set_symbol_filter(&top->session->machines, symbol_filter); |
| 948 | |
Sukadev Bhattiprolu | 0d3942d | 2013-05-14 22:56:51 -0700 | [diff] [blame] | 949 | if (!objdump_path) { |
Arnaldo Carvalho de Melo | eebd0bf | 2015-09-08 15:52:20 -0300 | [diff] [blame] | 950 | ret = perf_env__lookup_objdump(&top->session->header.env); |
Sukadev Bhattiprolu | 0d3942d | 2013-05-14 22:56:51 -0700 | [diff] [blame] | 951 | if (ret) |
| 952 | goto out_delete; |
| 953 | } |
| 954 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 955 | ret = perf_top__setup_sample_type(top); |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 956 | if (ret) |
| 957 | goto out_delete; |
| 958 | |
Masami Hiramatsu | 9d8b172 | 2015-12-09 11:11:23 +0900 | [diff] [blame] | 959 | if (perf_session__register_idle_thread(top->session) < 0) |
Namhyung Kim | c53d138 | 2015-09-30 10:45:26 +0900 | [diff] [blame] | 960 | goto out_delete; |
| 961 | |
Arnaldo Carvalho de Melo | a33fbd5 | 2013-11-11 11:36:12 -0300 | [diff] [blame] | 962 | machine__synthesize_threads(&top->session->machines.host, &opts->target, |
Kan Liang | 9d9cad7 | 2015-06-17 09:51:11 -0400 | [diff] [blame] | 963 | top->evlist->threads, false, opts->proc_map_timeout); |
Kan Liang | 2e7ea3a | 2015-09-04 10:45:43 -0400 | [diff] [blame] | 964 | |
| 965 | if (sort__has_socket) { |
| 966 | ret = perf_env__read_cpu_topology_map(&perf_env); |
| 967 | if (ret < 0) |
| 968 | goto out_err_cpu_topo; |
| 969 | } |
| 970 | |
Arnaldo Carvalho de Melo | 11859e8 | 2013-01-30 13:25:53 -0300 | [diff] [blame] | 971 | ret = perf_top__start_counters(top); |
| 972 | if (ret) |
| 973 | goto out_delete; |
| 974 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 975 | top->session->evlist = top->evlist; |
Arnaldo Carvalho de Melo | 7b56cce | 2012-08-01 19:31:00 -0300 | [diff] [blame] | 976 | perf_session__set_id_hdr_size(top->session); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 977 | |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 978 | /* |
| 979 | * When perf is starting the traced process, all the events (apart from |
| 980 | * group members) have enable_on_exec=1 set, so don't spoil it by |
| 981 | * prematurely enabling them. |
| 982 | * |
| 983 | * XXX 'top' still doesn't start workloads like record, trace, but should, |
| 984 | * so leave the check here. |
| 985 | */ |
Arnaldo Carvalho de Melo | 602ad87 | 2013-11-12 16:46:16 -0300 | [diff] [blame] | 986 | if (!target__none(&opts->target)) |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 987 | perf_evlist__enable(top->evlist); |
| 988 | |
Frederic Weisbecker | 2f01190 | 2009-06-06 23:10:43 +0200 | [diff] [blame] | 989 | /* Wait for a minimal set of events before starting the snapshot */ |
Arnaldo Carvalho de Melo | f66a889 | 2014-08-18 17:25:59 -0300 | [diff] [blame] | 990 | perf_evlist__poll(top->evlist, 100); |
Frederic Weisbecker | 2f01190 | 2009-06-06 23:10:43 +0200 | [diff] [blame] | 991 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 992 | perf_top__mmap_read(top); |
Frederic Weisbecker | 2f01190 | 2009-06-06 23:10:43 +0200 | [diff] [blame] | 993 | |
Arnaldo Carvalho de Melo | 11859e8 | 2013-01-30 13:25:53 -0300 | [diff] [blame] | 994 | ret = -1; |
Arnaldo Carvalho de Melo | c0443df | 2011-01-31 18:19:33 -0200 | [diff] [blame] | 995 | if (pthread_create(&thread, NULL, (use_browser > 0 ? display_thread_tui : |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 996 | display_thread), top)) { |
Namhyung Kim | 3780f48 | 2012-05-29 13:22:57 +0900 | [diff] [blame] | 997 | ui__error("Could not create display thread.\n"); |
Arnaldo Carvalho de Melo | 11859e8 | 2013-01-30 13:25:53 -0300 | [diff] [blame] | 998 | goto out_delete; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 999 | } |
| 1000 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1001 | if (top->realtime_prio) { |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 1002 | struct sched_param param; |
| 1003 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1004 | param.sched_priority = top->realtime_prio; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 1005 | if (sched_setscheduler(0, SCHED_FIFO, ¶m)) { |
Namhyung Kim | 3780f48 | 2012-05-29 13:22:57 +0900 | [diff] [blame] | 1006 | ui__error("Could not set realtime priority.\n"); |
Jiri Olsa | ae256fa | 2014-08-11 10:50:05 +0200 | [diff] [blame] | 1007 | goto out_join; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 1008 | } |
| 1009 | } |
| 1010 | |
Arnaldo Carvalho de Melo | 11859e8 | 2013-01-30 13:25:53 -0300 | [diff] [blame] | 1011 | while (!done) { |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1012 | u64 hits = top->samples; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 1013 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1014 | perf_top__mmap_read(top); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 1015 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1016 | if (hits == top->samples) |
Arnaldo Carvalho de Melo | f66a889 | 2014-08-18 17:25:59 -0300 | [diff] [blame] | 1017 | ret = perf_evlist__poll(top->evlist, 100); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 1018 | } |
| 1019 | |
Arnaldo Carvalho de Melo | 11859e8 | 2013-01-30 13:25:53 -0300 | [diff] [blame] | 1020 | ret = 0; |
Jiri Olsa | ae256fa | 2014-08-11 10:50:05 +0200 | [diff] [blame] | 1021 | out_join: |
| 1022 | pthread_join(thread, NULL); |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 1023 | out_delete: |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1024 | perf_session__delete(top->session); |
| 1025 | top->session = NULL; |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 1026 | |
Arnaldo Carvalho de Melo | 11859e8 | 2013-01-30 13:25:53 -0300 | [diff] [blame] | 1027 | return ret; |
Kan Liang | 2e7ea3a | 2015-09-04 10:45:43 -0400 | [diff] [blame] | 1028 | |
| 1029 | out_err_cpu_topo: { |
| 1030 | char errbuf[BUFSIZ]; |
| 1031 | const char *err = strerror_r(-ret, errbuf, sizeof(errbuf)); |
| 1032 | |
| 1033 | ui__error("Could not read the CPU topology map: %s\n", err); |
| 1034 | goto out_delete; |
| 1035 | } |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 1036 | } |
| 1037 | |
| 1038 | static int |
Jiri Olsa | ae779a6 | 2013-10-26 16:25:34 +0200 | [diff] [blame] | 1039 | callchain_opt(const struct option *opt, const char *arg, int unset) |
| 1040 | { |
| 1041 | symbol_conf.use_callchain = true; |
| 1042 | return record_callchain_opt(opt, arg, unset); |
| 1043 | } |
| 1044 | |
| 1045 | static int |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1046 | parse_callchain_opt(const struct option *opt, const char *arg, int unset) |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 1047 | { |
Namhyung Kim | a2c10d3 | 2015-10-22 15:28:49 +0900 | [diff] [blame] | 1048 | struct record_opts *record = (struct record_opts *)opt->value; |
| 1049 | |
| 1050 | record->callgraph_set = true; |
| 1051 | callchain_param.enabled = !unset; |
| 1052 | callchain_param.record_mode = CALLCHAIN_FP; |
| 1053 | |
| 1054 | /* |
| 1055 | * --no-call-graph |
| 1056 | */ |
| 1057 | if (unset) { |
| 1058 | symbol_conf.use_callchain = false; |
| 1059 | callchain_param.record_mode = CALLCHAIN_NONE; |
| 1060 | return 0; |
| 1061 | } |
| 1062 | |
| 1063 | return parse_callchain_top_opt(arg); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 1064 | } |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1065 | |
Wang Nan | b8cbb34 | 2016-02-26 09:31:51 +0000 | [diff] [blame] | 1066 | static int perf_top_config(const char *var, const char *value, void *cb __maybe_unused) |
Jiri Olsa | eb853e8 | 2014-02-03 12:44:42 +0100 | [diff] [blame] | 1067 | { |
Jiri Olsa | eb853e8 | 2014-02-03 12:44:42 +0100 | [diff] [blame] | 1068 | if (!strcmp(var, "top.call-graph")) |
Namhyung Kim | 5a2e5e8 | 2014-09-23 10:01:44 +0900 | [diff] [blame] | 1069 | var = "call-graph.record-mode"; /* fall-through */ |
Namhyung Kim | 104ac99 | 2013-01-22 18:09:46 +0900 | [diff] [blame] | 1070 | if (!strcmp(var, "top.children")) { |
| 1071 | symbol_conf.cumulate_callchain = perf_config_bool(var, value); |
| 1072 | return 0; |
| 1073 | } |
Jiri Olsa | eb853e8 | 2014-02-03 12:44:42 +0100 | [diff] [blame] | 1074 | |
Wang Nan | b8cbb34 | 2016-02-26 09:31:51 +0000 | [diff] [blame] | 1075 | return 0; |
Jiri Olsa | eb853e8 | 2014-02-03 12:44:42 +0100 | [diff] [blame] | 1076 | } |
| 1077 | |
Namhyung Kim | fa5df94 | 2013-05-14 11:09:05 +0900 | [diff] [blame] | 1078 | static int |
| 1079 | parse_percent_limit(const struct option *opt, const char *arg, |
| 1080 | int unset __maybe_unused) |
| 1081 | { |
| 1082 | struct perf_top *top = opt->value; |
| 1083 | |
| 1084 | top->min_percent = strtof(arg, NULL); |
| 1085 | return 0; |
| 1086 | } |
| 1087 | |
Namhyung Kim | 76a2654 | 2015-10-22 23:28:32 +0900 | [diff] [blame] | 1088 | const char top_callchain_help[] = CALLCHAIN_RECORD_HELP CALLCHAIN_REPORT_HELP |
| 1089 | "\n\t\t\t\tDefault: fp,graph,0.5,caller,function"; |
Namhyung Kim | a2c10d3 | 2015-10-22 15:28:49 +0900 | [diff] [blame] | 1090 | |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 1091 | int cmd_top(int argc, const char **argv, const char *prefix __maybe_unused) |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1092 | { |
Namhyung Kim | 16ad2ff | 2012-05-07 14:09:02 +0900 | [diff] [blame] | 1093 | char errbuf[BUFSIZ]; |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1094 | struct perf_top top = { |
| 1095 | .count_filter = 5, |
| 1096 | .delay_secs = 2, |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 1097 | .record_opts = { |
| 1098 | .mmap_pages = UINT_MAX, |
| 1099 | .user_freq = UINT_MAX, |
| 1100 | .user_interval = ULLONG_MAX, |
| 1101 | .freq = 4000, /* 4 KHz */ |
Waiman Long | 5dbb6e8 | 2013-10-18 10:38:49 -0400 | [diff] [blame] | 1102 | .target = { |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 1103 | .uses_mmap = true, |
| 1104 | }, |
Kan Liang | 9d9cad7 | 2015-06-17 09:51:11 -0400 | [diff] [blame] | 1105 | .proc_map_timeout = 500, |
Namhyung Kim | d1cb9fc | 2012-05-16 18:45:49 +0900 | [diff] [blame] | 1106 | }, |
Waiman Long | 5dbb6e8 | 2013-10-18 10:38:49 -0400 | [diff] [blame] | 1107 | .max_stack = PERF_MAX_STACK_DEPTH, |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 1108 | .sym_pcnt_filter = 5, |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1109 | }; |
Arnaldo Carvalho de Melo | b400679 | 2013-12-19 14:43:45 -0300 | [diff] [blame] | 1110 | struct record_opts *opts = &top.record_opts; |
Arnaldo Carvalho de Melo | 602ad87 | 2013-11-12 16:46:16 -0300 | [diff] [blame] | 1111 | struct target *target = &opts->target; |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1112 | const struct option options[] = { |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1113 | OPT_CALLBACK('e', "event", &top.evlist, "event", |
Thomas Gleixner | 86847b6 | 2009-06-06 12:24:17 +0200 | [diff] [blame] | 1114 | "event selector. use 'perf list' to list available events", |
Jiri Olsa | f120f9d | 2011-07-14 11:25:32 +0200 | [diff] [blame] | 1115 | parse_events_option), |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 1116 | OPT_U64('c', "count", &opts->user_interval, "event period to sample"), |
| 1117 | OPT_STRING('p', "pid", &target->pid, "pid", |
Zhang, Yanmin | d6d901c | 2010-03-18 11:36:05 -0300 | [diff] [blame] | 1118 | "profile events on existing process id"), |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 1119 | OPT_STRING('t', "tid", &target->tid, "tid", |
Zhang, Yanmin | d6d901c | 2010-03-18 11:36:05 -0300 | [diff] [blame] | 1120 | "profile events on existing thread id"), |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 1121 | OPT_BOOLEAN('a', "all-cpus", &target->system_wide, |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1122 | "system-wide collection from all CPUs"), |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 1123 | OPT_STRING('C', "cpu", &target->cpu_list, "cpu", |
Stephane Eranian | c45c6ea | 2010-05-28 12:00:01 +0200 | [diff] [blame] | 1124 | "list of cpus to monitor"), |
Arnaldo Carvalho de Melo | b32d133 | 2009-11-24 12:05:15 -0200 | [diff] [blame] | 1125 | OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, |
| 1126 | "file", "vmlinux pathname"), |
Willy Tarreau | fc2be69 | 2013-09-14 10:32:59 +0200 | [diff] [blame] | 1127 | OPT_BOOLEAN(0, "ignore-vmlinux", &symbol_conf.ignore_vmlinux, |
| 1128 | "don't load vmlinux even if found"), |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1129 | OPT_BOOLEAN('K', "hide_kernel_symbols", &top.hide_kernel_symbols, |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 1130 | "hide kernel symbols"), |
Jiri Olsa | 994a1f7 | 2013-09-01 12:36:12 +0200 | [diff] [blame] | 1131 | OPT_CALLBACK('m', "mmap-pages", &opts->mmap_pages, "pages", |
| 1132 | "number of mmap data pages", |
| 1133 | perf_evlist__parse_mmap_pages), |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1134 | OPT_INTEGER('r', "realtime", &top.realtime_prio, |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1135 | "collect data with this RT SCHED_FIFO priority"), |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1136 | OPT_INTEGER('d', "delay", &top.delay_secs, |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1137 | "number of seconds to delay between refreshes"), |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1138 | OPT_BOOLEAN('D', "dump-symtab", &top.dump_symtab, |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1139 | "dump the symbol table used for profiling"), |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1140 | OPT_INTEGER('f', "count-filter", &top.count_filter, |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1141 | "only display functions with more events than this"), |
David Ahern | bf80669 | 2013-11-14 20:51:30 -0700 | [diff] [blame] | 1142 | OPT_BOOLEAN(0, "group", &opts->group, |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1143 | "put the counters into a counter group"), |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 1144 | OPT_BOOLEAN('i', "no-inherit", &opts->no_inherit, |
| 1145 | "child tasks do not inherit counters"), |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1146 | OPT_STRING(0, "sym-annotate", &top.sym_filter, "symbol name", |
Kirill Smelkov | 6cff0e8 | 2010-02-03 16:52:08 -0200 | [diff] [blame] | 1147 | "symbol to annotate"), |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 1148 | OPT_BOOLEAN('z', "zero", &top.zero, "zero history across updates"), |
| 1149 | OPT_UINTEGER('F', "freq", &opts->user_freq, "profile at this frequency"), |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1150 | OPT_INTEGER('E', "entries", &top.print_entries, |
Ingo Molnar | 6e53cdf | 2009-06-04 08:53:05 +0200 | [diff] [blame] | 1151 | "display this many functions"), |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1152 | OPT_BOOLEAN('U', "hide_user_symbols", &top.hide_user_symbols, |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 1153 | "hide user symbols"), |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1154 | OPT_BOOLEAN(0, "tui", &top.use_tui, "Use the TUI interface"), |
| 1155 | OPT_BOOLEAN(0, "stdio", &top.use_stdio, "Use the stdio interface"), |
Ian Munsie | c055564 | 2010-04-13 18:37:33 +1000 | [diff] [blame] | 1156 | OPT_INCR('v', "verbose", &verbose, |
Ingo Molnar | 3da297a | 2009-06-07 17:39:02 +0200 | [diff] [blame] | 1157 | "be more verbose (show counter open errors, etc)"), |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 1158 | OPT_STRING('s', "sort", &sort_order, "key[,key2...]", |
Namhyung Kim | a2ce067 | 2014-03-04 09:06:42 +0900 | [diff] [blame] | 1159 | "sort by key(s): pid, comm, dso, symbol, parent, cpu, srcline, ..." |
| 1160 | " Please refer the man page for the complete list."), |
Namhyung Kim | 6fe8c26 | 2014-03-04 11:01:41 +0900 | [diff] [blame] | 1161 | OPT_STRING(0, "fields", &field_order, "key[,keys...]", |
| 1162 | "output field(s): overhead, period, sample plus all of sort keys"), |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 1163 | OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples, |
| 1164 | "Show a column with the number of samples"), |
David Ahern | bf80669 | 2013-11-14 20:51:30 -0700 | [diff] [blame] | 1165 | OPT_CALLBACK_NOOPT('g', NULL, &top.record_opts, |
Namhyung Kim | a2c10d3 | 2015-10-22 15:28:49 +0900 | [diff] [blame] | 1166 | NULL, "enables call-graph recording and display", |
Jiri Olsa | ae779a6 | 2013-10-26 16:25:34 +0200 | [diff] [blame] | 1167 | &callchain_opt), |
| 1168 | OPT_CALLBACK(0, "call-graph", &top.record_opts, |
Namhyung Kim | 76a2654 | 2015-10-22 23:28:32 +0900 | [diff] [blame] | 1169 | "record_mode[,record_size],print_type,threshold[,print_limit],order,sort_key[,branch]", |
Namhyung Kim | a2c10d3 | 2015-10-22 15:28:49 +0900 | [diff] [blame] | 1170 | top_callchain_help, &parse_callchain_opt), |
Namhyung Kim | 1432ec3 | 2013-10-30 17:05:55 +0900 | [diff] [blame] | 1171 | OPT_BOOLEAN(0, "children", &symbol_conf.cumulate_callchain, |
| 1172 | "Accumulate callchains of children and show total overhead as well"), |
Waiman Long | 5dbb6e8 | 2013-10-18 10:38:49 -0400 | [diff] [blame] | 1173 | OPT_INTEGER(0, "max-stack", &top.max_stack, |
| 1174 | "Set the maximum stack depth when parsing the callchain. " |
| 1175 | "Default: " __stringify(PERF_MAX_STACK_DEPTH)), |
Greg Price | b21484f | 2012-12-06 21:48:05 -0800 | [diff] [blame] | 1176 | OPT_CALLBACK(0, "ignore-callees", NULL, "regex", |
| 1177 | "ignore callees of these functions in call graphs", |
| 1178 | report_parse_ignore_callees_opt), |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 1179 | OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period, |
| 1180 | "Show a column with the sum of periods"), |
| 1181 | OPT_STRING(0, "dsos", &symbol_conf.dso_list_str, "dso[,dso...]", |
| 1182 | "only consider symbols in these dsos"), |
| 1183 | OPT_STRING(0, "comms", &symbol_conf.comm_list_str, "comm[,comm...]", |
| 1184 | "only consider symbols in these comms"), |
| 1185 | OPT_STRING(0, "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", |
| 1186 | "only consider these symbols"), |
Arnaldo Carvalho de Melo | 64c6f0c | 2011-10-06 12:48:31 -0300 | [diff] [blame] | 1187 | OPT_BOOLEAN(0, "source", &symbol_conf.annotate_src, |
| 1188 | "Interleave source code with assembly code (default)"), |
| 1189 | OPT_BOOLEAN(0, "asm-raw", &symbol_conf.annotate_asm_raw, |
| 1190 | "Display raw encoding of assembly instructions (default)"), |
Avi Kivity | 763122a | 2014-09-13 07:15:05 +0300 | [diff] [blame] | 1191 | OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel, |
| 1192 | "Enable kernel symbol demangling"), |
Sukadev Bhattiprolu | 0d3942d | 2013-05-14 22:56:51 -0700 | [diff] [blame] | 1193 | OPT_STRING(0, "objdump", &objdump_path, "path", |
| 1194 | "objdump binary to use for disassembly and annotations"), |
Arnaldo Carvalho de Melo | 64c6f0c | 2011-10-06 12:48:31 -0300 | [diff] [blame] | 1195 | OPT_STRING('M', "disassembler-style", &disassembler_style, "disassembler style", |
| 1196 | "Specify disassembler style (e.g. -M intel for intel syntax)"), |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 1197 | OPT_STRING('u', "uid", &target->uid_str, "user", "user to profile"), |
Namhyung Kim | fa5df94 | 2013-05-14 11:09:05 +0900 | [diff] [blame] | 1198 | OPT_CALLBACK(0, "percent-limit", &top, "percent", |
| 1199 | "Don't show entries under that percent", parse_percent_limit), |
Namhyung Kim | 33db456 | 2014-02-07 12:06:07 +0900 | [diff] [blame] | 1200 | OPT_CALLBACK(0, "percentage", NULL, "relative|absolute", |
| 1201 | "How to display percentage of filtered entries", parse_filter_percentage), |
Namhyung Kim | cf59002 | 2014-07-31 14:47:39 +0900 | [diff] [blame] | 1202 | OPT_STRING('w', "column-widths", &symbol_conf.col_width_list_str, |
| 1203 | "width[,width...]", |
| 1204 | "don't try to adjust column width, use these fixed values"), |
Kan Liang | 9d9cad7 | 2015-06-17 09:51:11 -0400 | [diff] [blame] | 1205 | OPT_UINTEGER(0, "proc-map-timeout", &opts->proc_map_timeout, |
| 1206 | "per thread proc mmap processing timeout in ms"), |
Andi Kleen | a18b027 | 2015-07-18 08:24:52 -0700 | [diff] [blame] | 1207 | OPT_CALLBACK_NOOPT('b', "branch-any", &opts->branch_stack, |
| 1208 | "branch any", "sample any taken branches", |
| 1209 | parse_branch_stack), |
| 1210 | OPT_CALLBACK('j', "branch-filter", &opts->branch_stack, |
| 1211 | "branch filter mask", "branch stack filter modes", |
| 1212 | parse_branch_stack), |
Namhyung Kim | 053a398 | 2015-12-23 02:07:05 +0900 | [diff] [blame] | 1213 | OPT_BOOLEAN(0, "raw-trace", &symbol_conf.raw_trace, |
| 1214 | "Show raw trace event output (do not use print fmt or plugins)"), |
Namhyung Kim | c92fcfd | 2016-02-25 00:13:50 +0900 | [diff] [blame] | 1215 | OPT_BOOLEAN(0, "hierarchy", &symbol_conf.report_hierarchy, |
| 1216 | "Show entries in a hierarchy"), |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1217 | OPT_END() |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1218 | }; |
Arnaldo Carvalho de Melo | be77284 | 2012-10-01 15:20:58 -0300 | [diff] [blame] | 1219 | const char * const top_usage[] = { |
| 1220 | "perf top [<options>]", |
| 1221 | NULL |
| 1222 | }; |
Arnaldo Carvalho de Melo | a635fc5 | 2014-10-09 16:16:00 -0300 | [diff] [blame] | 1223 | int status = hists__init(); |
| 1224 | |
| 1225 | if (status < 0) |
| 1226 | return status; |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1227 | |
Namhyung Kim | 334fe7a | 2013-03-11 16:43:12 +0900 | [diff] [blame] | 1228 | top.evlist = perf_evlist__new(); |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1229 | if (top.evlist == NULL) |
Arnaldo Carvalho de Melo | 361c99a | 2011-01-11 20:56:53 -0200 | [diff] [blame] | 1230 | return -ENOMEM; |
| 1231 | |
Jiri Olsa | eb853e8 | 2014-02-03 12:44:42 +0100 | [diff] [blame] | 1232 | perf_config(perf_top_config, &top); |
| 1233 | |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1234 | argc = parse_options(argc, argv, options, top_usage, 0); |
| 1235 | if (argc) |
| 1236 | usage_with_options(top_usage, options); |
| 1237 | |
Namhyung Kim | 54f8f40 | 2015-12-23 02:07:01 +0900 | [diff] [blame] | 1238 | if (!top.evlist->nr_entries && |
| 1239 | perf_evlist__add_default(top.evlist) < 0) { |
| 1240 | pr_err("Not enough memory for event selector list\n"); |
| 1241 | goto out_delete_evlist; |
| 1242 | } |
| 1243 | |
Namhyung Kim | c92fcfd | 2016-02-25 00:13:50 +0900 | [diff] [blame] | 1244 | if (symbol_conf.report_hierarchy) { |
| 1245 | /* disable incompatible options */ |
| 1246 | symbol_conf.event_group = false; |
| 1247 | symbol_conf.cumulate_callchain = false; |
| 1248 | |
| 1249 | if (field_order) { |
| 1250 | pr_err("Error: --hierarchy and --fields options cannot be used together\n"); |
| 1251 | parse_options_usage(top_usage, options, "fields", 0); |
| 1252 | parse_options_usage(NULL, options, "hierarchy", 0); |
| 1253 | goto out_delete_evlist; |
| 1254 | } |
| 1255 | } |
| 1256 | |
Namhyung Kim | 512ae1b | 2014-03-18 11:31:39 +0900 | [diff] [blame] | 1257 | sort__mode = SORT_MODE__TOP; |
Namhyung Kim | 3a5714f | 2013-05-14 11:09:01 +0900 | [diff] [blame] | 1258 | /* display thread wants entries to be collapsed in a different tree */ |
| 1259 | sort__need_collapse = 1; |
| 1260 | |
Arnaldo Carvalho de Melo | 3ee60c3 | 2016-01-18 10:24:06 +0100 | [diff] [blame] | 1261 | if (top.use_stdio) |
| 1262 | use_browser = 0; |
| 1263 | else if (top.use_tui) |
| 1264 | use_browser = 1; |
| 1265 | |
| 1266 | setup_browser(false); |
| 1267 | |
Namhyung Kim | 40184c4 | 2015-12-23 02:07:01 +0900 | [diff] [blame] | 1268 | if (setup_sorting(top.evlist) < 0) { |
Namhyung Kim | 6fe8c26 | 2014-03-04 11:01:41 +0900 | [diff] [blame] | 1269 | if (sort_order) |
| 1270 | parse_options_usage(top_usage, options, "s", 1); |
| 1271 | if (field_order) |
| 1272 | parse_options_usage(sort_order ? NULL : top_usage, |
| 1273 | options, "fields", 0); |
| 1274 | goto out_delete_evlist; |
| 1275 | } |
Namhyung Kim | 22af969 | 2014-04-16 11:04:51 +0900 | [diff] [blame] | 1276 | |
Arnaldo Carvalho de Melo | 602ad87 | 2013-11-12 16:46:16 -0300 | [diff] [blame] | 1277 | status = target__validate(target); |
Namhyung Kim | 16ad2ff | 2012-05-07 14:09:02 +0900 | [diff] [blame] | 1278 | if (status) { |
Arnaldo Carvalho de Melo | 602ad87 | 2013-11-12 16:46:16 -0300 | [diff] [blame] | 1279 | target__strerror(target, status, errbuf, BUFSIZ); |
Ingo Molnar | ea432a8 | 2013-11-13 00:26:09 +0100 | [diff] [blame] | 1280 | ui__warning("%s\n", errbuf); |
Namhyung Kim | 16ad2ff | 2012-05-07 14:09:02 +0900 | [diff] [blame] | 1281 | } |
Namhyung Kim | 4bd0f2d | 2012-04-26 14:15:18 +0900 | [diff] [blame] | 1282 | |
Arnaldo Carvalho de Melo | 602ad87 | 2013-11-12 16:46:16 -0300 | [diff] [blame] | 1283 | status = target__parse_uid(target); |
Namhyung Kim | 16ad2ff | 2012-05-07 14:09:02 +0900 | [diff] [blame] | 1284 | if (status) { |
| 1285 | int saved_errno = errno; |
| 1286 | |
Arnaldo Carvalho de Melo | 602ad87 | 2013-11-12 16:46:16 -0300 | [diff] [blame] | 1287 | target__strerror(target, status, errbuf, BUFSIZ); |
Ingo Molnar | ea432a8 | 2013-11-13 00:26:09 +0100 | [diff] [blame] | 1288 | ui__error("%s\n", errbuf); |
Namhyung Kim | 16ad2ff | 2012-05-07 14:09:02 +0900 | [diff] [blame] | 1289 | |
| 1290 | status = -saved_errno; |
Arnaldo Carvalho de Melo | 0d37aa3 | 2012-01-19 14:08:15 -0200 | [diff] [blame] | 1291 | goto out_delete_evlist; |
Namhyung Kim | 16ad2ff | 2012-05-07 14:09:02 +0900 | [diff] [blame] | 1292 | } |
Arnaldo Carvalho de Melo | 0d37aa3 | 2012-01-19 14:08:15 -0200 | [diff] [blame] | 1293 | |
Arnaldo Carvalho de Melo | 602ad87 | 2013-11-12 16:46:16 -0300 | [diff] [blame] | 1294 | if (target__none(target)) |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 1295 | target->system_wide = true; |
Arnaldo Carvalho de Melo | 10b47d5 | 2012-05-07 16:33:56 -0300 | [diff] [blame] | 1296 | |
Arnaldo Carvalho de Melo | f8a5c0b | 2015-12-10 14:48:45 -0300 | [diff] [blame] | 1297 | if (perf_evlist__create_maps(top.evlist, target) < 0) { |
| 1298 | ui__error("Couldn't create thread/CPU maps: %s\n", |
| 1299 | errno == ENOENT ? "No such process" : strerror_r(errno, errbuf, sizeof(errbuf))); |
| 1300 | goto out_delete_evlist; |
| 1301 | } |
Arnaldo Carvalho de Melo | 7e2ed09 | 2011-01-30 11:59:43 -0200 | [diff] [blame] | 1302 | |
Arnaldo Carvalho de Melo | d04b35f | 2011-11-11 22:17:32 -0200 | [diff] [blame] | 1303 | symbol_conf.nr_events = top.evlist->nr_entries; |
| 1304 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1305 | if (top.delay_secs < 1) |
| 1306 | top.delay_secs = 1; |
Frederic Weisbecker | 2f335a0 | 2009-06-05 19:31:01 +0200 | [diff] [blame] | 1307 | |
Arnaldo Carvalho de Melo | b400679 | 2013-12-19 14:43:45 -0300 | [diff] [blame] | 1308 | if (record_opts__config(opts)) { |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 1309 | status = -EINVAL; |
Arnaldo Carvalho de Melo | 03ad974 | 2014-01-03 15:56:06 -0300 | [diff] [blame] | 1310 | goto out_delete_evlist; |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 1311 | } |
| 1312 | |
Arnaldo Carvalho de Melo | 0c21f73 | 2012-08-14 16:42:15 -0300 | [diff] [blame] | 1313 | top.sym_evsel = perf_evlist__first(top.evlist); |
Arnaldo Carvalho de Melo | cc84158 | 2011-01-11 15:16:52 -0200 | [diff] [blame] | 1314 | |
Namhyung Kim | 1432ec3 | 2013-10-30 17:05:55 +0900 | [diff] [blame] | 1315 | if (!symbol_conf.use_callchain) { |
| 1316 | symbol_conf.cumulate_callchain = false; |
| 1317 | perf_hpp__cancel_cumulate(); |
| 1318 | } |
| 1319 | |
Namhyung Kim | 792aeaf | 2015-10-22 16:45:46 +0900 | [diff] [blame] | 1320 | if (symbol_conf.cumulate_callchain && !callchain_param.order_set) |
| 1321 | callchain_param.order = ORDER_CALLER; |
| 1322 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 1323 | symbol_conf.priv_size = sizeof(struct annotation); |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 1324 | |
| 1325 | symbol_conf.try_vmlinux_path = (symbol_conf.vmlinux_name == NULL); |
Namhyung Kim | 0a7e6d1 | 2014-08-12 15:40:45 +0900 | [diff] [blame] | 1326 | if (symbol__init(NULL) < 0) |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 1327 | return -1; |
| 1328 | |
Namhyung Kim | 08e7154 | 2013-04-03 21:26:19 +0900 | [diff] [blame] | 1329 | sort__setup_elide(stdout); |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 1330 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1331 | get_term_dimensions(&top.winsize); |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1332 | if (top.print_entries == 0) { |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1333 | struct sigaction act = { |
| 1334 | .sa_sigaction = perf_top__sig_winch, |
| 1335 | .sa_flags = SA_SIGINFO, |
| 1336 | }; |
| 1337 | perf_top__update_print_entries(&top); |
| 1338 | sigaction(SIGWINCH, &act, NULL); |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 1339 | } |
| 1340 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1341 | status = __cmd_top(&top); |
Arnaldo Carvalho de Melo | 806fb63 | 2011-11-29 08:05:52 -0200 | [diff] [blame] | 1342 | |
Arnaldo Carvalho de Melo | 0d37aa3 | 2012-01-19 14:08:15 -0200 | [diff] [blame] | 1343 | out_delete_evlist: |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1344 | perf_evlist__delete(top.evlist); |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 1345 | |
| 1346 | return status; |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1347 | } |