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> |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 37 | #include "util/parse-options.h" |
| 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" |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 43 | |
Frederic Weisbecker | 8f28827a | 2009-08-16 22:05:48 +0200 | [diff] [blame] | 44 | #include "util/debug.h" |
| 45 | |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 46 | #include <assert.h> |
Arnaldo Carvalho de Melo | 31d68e7 | 2012-03-27 12:55:57 -0300 | [diff] [blame] | 47 | #include <elf.h> |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 48 | #include <fcntl.h> |
Ingo Molnar | 0e9b20b | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 49 | |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 50 | #include <stdio.h> |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 51 | #include <termios.h> |
| 52 | #include <unistd.h> |
Arnaldo Carvalho de Melo | 9486aa3 | 2011-01-22 20:37:02 -0200 | [diff] [blame] | 53 | #include <inttypes.h> |
Ingo Molnar | 0e9b20b | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 54 | |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 55 | #include <errno.h> |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 56 | #include <time.h> |
| 57 | #include <sched.h> |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 58 | |
| 59 | #include <sys/syscall.h> |
| 60 | #include <sys/ioctl.h> |
| 61 | #include <sys/poll.h> |
| 62 | #include <sys/prctl.h> |
| 63 | #include <sys/wait.h> |
| 64 | #include <sys/uio.h> |
Arnaldo Carvalho de Melo | 31d68e7 | 2012-03-27 12:55:57 -0300 | [diff] [blame] | 65 | #include <sys/utsname.h> |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 66 | #include <sys/mman.h> |
| 67 | |
| 68 | #include <linux/unistd.h> |
| 69 | #include <linux/types.h> |
| 70 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 71 | 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] | 72 | { |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 73 | if (top->print_entries > 9) |
| 74 | top->print_entries -= 9; |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 75 | } |
| 76 | |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 77 | static void perf_top__sig_winch(int sig __maybe_unused, |
| 78 | siginfo_t *info __maybe_unused, void *arg) |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 79 | { |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 80 | struct perf_top *top = arg; |
| 81 | |
| 82 | get_term_dimensions(&top->winsize); |
Stephane Eranian | 509605d | 2012-01-30 11:50:37 +0100 | [diff] [blame] | 83 | if (!top->print_entries |
| 84 | || (top->print_entries+4) > top->winsize.ws_row) { |
| 85 | top->print_entries = top->winsize.ws_row; |
| 86 | } else { |
| 87 | top->print_entries += 4; |
| 88 | top->winsize.ws_row = top->print_entries; |
| 89 | } |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 90 | perf_top__update_print_entries(top); |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 91 | } |
| 92 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 93 | 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] | 94 | { |
| 95 | struct symbol *sym; |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 96 | struct annotation *notes; |
Arnaldo Carvalho de Melo | 439d473 | 2009-10-02 03:29:58 -0300 | [diff] [blame] | 97 | struct map *map; |
Arnaldo Carvalho de Melo | 3653246 | 2011-02-06 14:54:44 -0200 | [diff] [blame] | 98 | int err = -1; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 99 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 100 | if (!he || !he->ms.sym) |
Arnaldo Carvalho de Melo | b0a9ab6 | 2010-03-15 11:46:58 -0300 | [diff] [blame] | 101 | return -1; |
| 102 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 103 | sym = he->ms.sym; |
| 104 | map = he->ms.map; |
Arnaldo Carvalho de Melo | b0a9ab6 | 2010-03-15 11:46:58 -0300 | [diff] [blame] | 105 | |
| 106 | /* |
| 107 | * We can't annotate with just /proc/kallsyms |
| 108 | */ |
Jiri Olsa | 44f24cb | 2012-07-22 14:14:32 +0200 | [diff] [blame] | 109 | if (map->dso->symtab_type == DSO_BINARY_TYPE__KALLSYMS) { |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 110 | pr_err("Can't annotate %s: No vmlinux file was found in the " |
| 111 | "path\n", sym->name); |
| 112 | sleep(1); |
Arnaldo Carvalho de Melo | b0a9ab6 | 2010-03-15 11:46:58 -0300 | [diff] [blame] | 113 | return -1; |
Arnaldo Carvalho de Melo | b269876 | 2009-11-17 18:38:02 -0200 | [diff] [blame] | 114 | } |
| 115 | |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 116 | notes = symbol__annotation(sym); |
| 117 | if (notes->src != NULL) { |
| 118 | pthread_mutex_lock(¬es->lock); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 119 | goto out_assign; |
| 120 | } |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 121 | |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 122 | pthread_mutex_lock(¬es->lock); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 123 | |
Arnaldo Carvalho de Melo | d04b35f | 2011-11-11 22:17:32 -0200 | [diff] [blame] | 124 | if (symbol__alloc_hist(sym) < 0) { |
Arnaldo Carvalho de Melo | c97cf42 | 2011-02-22 12:02:07 -0300 | [diff] [blame] | 125 | pthread_mutex_unlock(¬es->lock); |
Arnaldo Carvalho de Melo | 3653246 | 2011-02-06 14:54:44 -0200 | [diff] [blame] | 126 | pr_err("Not enough memory for annotating '%s' symbol!\n", |
| 127 | sym->name); |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 128 | sleep(1); |
Arnaldo Carvalho de Melo | c97cf42 | 2011-02-22 12:02:07 -0300 | [diff] [blame] | 129 | return err; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 130 | } |
Arnaldo Carvalho de Melo | 3653246 | 2011-02-06 14:54:44 -0200 | [diff] [blame] | 131 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 132 | err = symbol__annotate(sym, map, 0); |
Arnaldo Carvalho de Melo | 3653246 | 2011-02-06 14:54:44 -0200 | [diff] [blame] | 133 | if (err == 0) { |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 134 | out_assign: |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 135 | top->sym_filter_entry = he; |
Arnaldo Carvalho de Melo | 3653246 | 2011-02-06 14:54:44 -0200 | [diff] [blame] | 136 | } |
Arnaldo Carvalho de Melo | c97cf42 | 2011-02-22 12:02:07 -0300 | [diff] [blame] | 137 | |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 138 | pthread_mutex_unlock(¬es->lock); |
Arnaldo Carvalho de Melo | 3653246 | 2011-02-06 14:54:44 -0200 | [diff] [blame] | 139 | return err; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 140 | } |
| 141 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 142 | static void __zero_source_counters(struct hist_entry *he) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 143 | { |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 144 | struct symbol *sym = he->ms.sym; |
Arnaldo Carvalho de Melo | 3653246 | 2011-02-06 14:54:44 -0200 | [diff] [blame] | 145 | symbol__annotate_zero_histograms(sym); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 146 | } |
| 147 | |
Arnaldo Carvalho de Melo | 31d68e7 | 2012-03-27 12:55:57 -0300 | [diff] [blame] | 148 | static void ui__warn_map_erange(struct map *map, struct symbol *sym, u64 ip) |
| 149 | { |
| 150 | struct utsname uts; |
| 151 | int err = uname(&uts); |
| 152 | |
| 153 | ui__warning("Out of bounds address found:\n\n" |
| 154 | "Addr: %" PRIx64 "\n" |
| 155 | "DSO: %s %c\n" |
| 156 | "Map: %" PRIx64 "-%" PRIx64 "\n" |
| 157 | "Symbol: %" PRIx64 "-%" PRIx64 " %c %s\n" |
| 158 | "Arch: %s\n" |
| 159 | "Kernel: %s\n" |
| 160 | "Tools: %s\n\n" |
| 161 | "Not all samples will be on the annotation output.\n\n" |
| 162 | "Please report to linux-kernel@vger.kernel.org\n", |
| 163 | ip, map->dso->long_name, dso__symtab_origin(map->dso), |
| 164 | map->start, map->end, sym->start, sym->end, |
| 165 | sym->binding == STB_GLOBAL ? 'g' : |
| 166 | sym->binding == STB_LOCAL ? 'l' : 'w', sym->name, |
| 167 | err ? "[unknown]" : uts.machine, |
| 168 | err ? "[unknown]" : uts.release, perf_version_string); |
| 169 | if (use_browser <= 0) |
| 170 | sleep(5); |
| 171 | |
| 172 | map->erange_warned = true; |
| 173 | } |
| 174 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 175 | static void perf_top__record_precise_ip(struct perf_top *top, |
| 176 | struct hist_entry *he, |
| 177 | int counter, u64 ip) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 178 | { |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 179 | struct annotation *notes; |
| 180 | struct symbol *sym; |
Arnaldo Carvalho de Melo | 31d68e7 | 2012-03-27 12:55:57 -0300 | [diff] [blame] | 181 | int err; |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 182 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 183 | if (he == NULL || he->ms.sym == NULL || |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 184 | ((top->sym_filter_entry == NULL || |
| 185 | top->sym_filter_entry->ms.sym != he->ms.sym) && use_browser != 1)) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 186 | return; |
| 187 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 188 | sym = he->ms.sym; |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 189 | notes = symbol__annotation(sym); |
| 190 | |
| 191 | if (pthread_mutex_trylock(¬es->lock)) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 192 | return; |
| 193 | |
Arnaldo Carvalho de Melo | d04b35f | 2011-11-11 22:17:32 -0200 | [diff] [blame] | 194 | if (notes->src == NULL && symbol__alloc_hist(sym) < 0) { |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 195 | pthread_mutex_unlock(¬es->lock); |
| 196 | pr_err("Not enough memory for annotating '%s' symbol!\n", |
| 197 | sym->name); |
| 198 | sleep(1); |
| 199 | return; |
| 200 | } |
| 201 | |
| 202 | ip = he->ms.map->map_ip(he->ms.map, ip); |
Arnaldo Carvalho de Melo | 31d68e7 | 2012-03-27 12:55:57 -0300 | [diff] [blame] | 203 | err = symbol__inc_addr_samples(sym, he->ms.map, counter, ip); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 204 | |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 205 | pthread_mutex_unlock(¬es->lock); |
Arnaldo Carvalho de Melo | 31d68e7 | 2012-03-27 12:55:57 -0300 | [diff] [blame] | 206 | |
| 207 | if (err == -ERANGE && !he->ms.map->erange_warned) |
| 208 | ui__warn_map_erange(he->ms.map, sym, ip); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 209 | } |
| 210 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 211 | static void perf_top__show_details(struct perf_top *top) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 212 | { |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 213 | struct hist_entry *he = top->sym_filter_entry; |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 214 | struct annotation *notes; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 215 | struct symbol *symbol; |
Arnaldo Carvalho de Melo | 3653246 | 2011-02-06 14:54:44 -0200 | [diff] [blame] | 216 | int more; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 217 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 218 | if (!he) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 219 | return; |
| 220 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 221 | symbol = he->ms.sym; |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 222 | notes = symbol__annotation(symbol); |
| 223 | |
| 224 | pthread_mutex_lock(¬es->lock); |
| 225 | |
| 226 | if (notes->src == NULL) |
| 227 | goto out_unlock; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 228 | |
Arnaldo Carvalho de Melo | 7289f83 | 2012-06-12 12:34:58 -0300 | [diff] [blame] | 229 | 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] | 230 | printf(" Events Pcnt (>=%d%%)\n", top->sym_pcnt_filter); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 231 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 232 | more = symbol__annotate_printf(symbol, he->ms.map, top->sym_evsel->idx, |
| 233 | 0, top->sym_pcnt_filter, top->print_entries, 4); |
| 234 | if (top->zero) |
| 235 | symbol__annotate_zero_histogram(symbol, top->sym_evsel->idx); |
Arnaldo Carvalho de Melo | 3653246 | 2011-02-06 14:54:44 -0200 | [diff] [blame] | 236 | else |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 237 | symbol__annotate_decay_histogram(symbol, top->sym_evsel->idx); |
Arnaldo Carvalho de Melo | 3653246 | 2011-02-06 14:54:44 -0200 | [diff] [blame] | 238 | if (more != 0) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 239 | 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] | 240 | out_unlock: |
| 241 | pthread_mutex_unlock(¬es->lock); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 242 | } |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 243 | |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 244 | static const char CONSOLE_CLEAR[] = "[H[2J"; |
| 245 | |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 246 | static struct hist_entry *perf_evsel__add_hist_entry(struct perf_evsel *evsel, |
| 247 | struct addr_location *al, |
| 248 | struct perf_sample *sample) |
Arnaldo Carvalho de Melo | de04687 | 2009-05-28 14:55:41 -0300 | [diff] [blame] | 249 | { |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 250 | struct hist_entry *he; |
| 251 | |
| 252 | he = __hists__add_entry(&evsel->hists, al, NULL, sample->period); |
| 253 | if (he == NULL) |
| 254 | return NULL; |
| 255 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 256 | hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE); |
| 257 | return he; |
Arnaldo Carvalho de Melo | de04687 | 2009-05-28 14:55:41 -0300 | [diff] [blame] | 258 | } |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 259 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 260 | static void perf_top__print_sym_table(struct perf_top *top) |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 261 | { |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 262 | char bf[160]; |
| 263 | int printed = 0; |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 264 | const int win_width = top->winsize.ws_col - 1; |
Mike Galbraith | d94b943 | 2009-05-25 09:57:56 +0200 | [diff] [blame] | 265 | |
Frederic Weisbecker | 0f5486b | 2009-06-04 20:48:04 +0200 | [diff] [blame] | 266 | puts(CONSOLE_CLEAR); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 267 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 268 | perf_top__header_snprintf(top, bf, sizeof(bf)); |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 269 | printf("%s\n", bf); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 270 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 271 | perf_top__reset_sample_counters(top); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 272 | |
Arnaldo Carvalho de Melo | 1a105f7 | 2009-11-17 15:40:55 -0200 | [diff] [blame] | 273 | printf("%-*.*s\n", win_width, win_width, graph_dotted_line); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 274 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 275 | if (top->sym_evsel->hists.stats.nr_lost_warned != |
| 276 | top->sym_evsel->hists.stats.nr_events[PERF_RECORD_LOST]) { |
| 277 | top->sym_evsel->hists.stats.nr_lost_warned = |
| 278 | top->sym_evsel->hists.stats.nr_events[PERF_RECORD_LOST]; |
Arnaldo Carvalho de Melo | 7b27509 | 2011-10-29 12:15:04 -0200 | [diff] [blame] | 279 | color_fprintf(stdout, PERF_COLOR_RED, |
| 280 | "WARNING: LOST %d chunks, Check IO/CPU overload", |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 281 | top->sym_evsel->hists.stats.nr_lost_warned); |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 282 | ++printed; |
Arnaldo Carvalho de Melo | 93fc64f | 2011-01-29 12:08:00 -0200 | [diff] [blame] | 283 | } |
| 284 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 285 | if (top->sym_filter_entry) { |
| 286 | perf_top__show_details(top); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 287 | return; |
| 288 | } |
| 289 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 290 | hists__collapse_resort_threaded(&top->sym_evsel->hists); |
| 291 | hists__output_resort_threaded(&top->sym_evsel->hists); |
| 292 | hists__decay_entries_threaded(&top->sym_evsel->hists, |
| 293 | top->hide_user_symbols, |
| 294 | top->hide_kernel_symbols); |
| 295 | hists__output_recalc_col_len(&top->sym_evsel->hists, |
| 296 | top->winsize.ws_row - 3); |
Arnaldo Carvalho de Melo | 7cc017e | 2009-11-24 12:05:14 -0200 | [diff] [blame] | 297 | putchar('\n'); |
Jiri Olsa | 41724e4 | 2012-10-04 21:49:38 +0900 | [diff] [blame] | 298 | hists__fprintf(&top->sym_evsel->hists, false, |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 299 | top->winsize.ws_row - 4 - printed, win_width, stdout); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 300 | } |
| 301 | |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 302 | static void prompt_integer(int *target, const char *msg) |
| 303 | { |
| 304 | char *buf = malloc(0), *p; |
| 305 | size_t dummy = 0; |
| 306 | int tmp; |
| 307 | |
| 308 | fprintf(stdout, "\n%s: ", msg); |
| 309 | if (getline(&buf, &dummy, stdin) < 0) |
| 310 | return; |
| 311 | |
| 312 | p = strchr(buf, '\n'); |
| 313 | if (p) |
| 314 | *p = 0; |
| 315 | |
| 316 | p = buf; |
| 317 | while(*p) { |
| 318 | if (!isdigit(*p)) |
| 319 | goto out_free; |
| 320 | p++; |
| 321 | } |
| 322 | tmp = strtoul(buf, NULL, 10); |
| 323 | *target = tmp; |
| 324 | out_free: |
| 325 | free(buf); |
| 326 | } |
| 327 | |
| 328 | static void prompt_percent(int *target, const char *msg) |
| 329 | { |
| 330 | int tmp = 0; |
| 331 | |
| 332 | prompt_integer(&tmp, msg); |
| 333 | if (tmp >= 0 && tmp <= 100) |
| 334 | *target = tmp; |
| 335 | } |
| 336 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 337 | 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] | 338 | { |
| 339 | char *buf = malloc(0), *p; |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 340 | struct hist_entry *syme = top->sym_filter_entry, *n, *found = NULL; |
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 | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 358 | next = rb_first(&top->sym_evsel->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 | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 434 | static void 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 | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 436 | if (!perf_top__key_mapped(top, c)) { |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 437 | struct pollfd stdin_poll = { .fd = 0, .events = POLLIN }; |
| 438 | struct termios tc, save; |
| 439 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 440 | perf_top__print_mapped_keys(top); |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 441 | fprintf(stdout, "\nEnter selection, or unmapped key to continue: "); |
| 442 | fflush(stdout); |
| 443 | |
| 444 | tcgetattr(0, &save); |
| 445 | tc = save; |
| 446 | tc.c_lflag &= ~(ICANON | ECHO); |
| 447 | tc.c_cc[VMIN] = 0; |
| 448 | tc.c_cc[VTIME] = 0; |
| 449 | tcsetattr(0, TCSANOW, &tc); |
| 450 | |
| 451 | poll(&stdin_poll, 1, -1); |
| 452 | c = getc(stdin); |
| 453 | |
| 454 | tcsetattr(0, TCSAFLUSH, &save); |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 455 | if (!perf_top__key_mapped(top, c)) |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 456 | return; |
| 457 | } |
| 458 | |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 459 | switch (c) { |
| 460 | case 'd': |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 461 | prompt_integer(&top->delay_secs, "Enter display delay"); |
| 462 | if (top->delay_secs < 1) |
| 463 | top->delay_secs = 1; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 464 | break; |
| 465 | case 'e': |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 466 | prompt_integer(&top->print_entries, "Enter display entries (lines)"); |
| 467 | if (top->print_entries == 0) { |
| 468 | struct sigaction act = { |
| 469 | .sa_sigaction = perf_top__sig_winch, |
| 470 | .sa_flags = SA_SIGINFO, |
| 471 | }; |
| 472 | perf_top__sig_winch(SIGWINCH, NULL, top); |
| 473 | sigaction(SIGWINCH, &act, NULL); |
Stephane Eranian | 509605d | 2012-01-30 11:50:37 +0100 | [diff] [blame] | 474 | } else { |
| 475 | perf_top__sig_winch(SIGWINCH, NULL, top); |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 476 | signal(SIGWINCH, SIG_DFL); |
Stephane Eranian | 509605d | 2012-01-30 11:50:37 +0100 | [diff] [blame] | 477 | } |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 478 | break; |
| 479 | case 'E': |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 480 | if (top->evlist->nr_entries > 1) { |
Akihiro Nagai | ce2d17c | 2011-03-23 16:29:39 +0900 | [diff] [blame] | 481 | /* Select 0 as the default event: */ |
| 482 | int counter = 0; |
| 483 | |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 484 | fprintf(stderr, "\nAvailable events:"); |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 485 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 486 | list_for_each_entry(top->sym_evsel, &top->evlist->entries, node) |
Arnaldo Carvalho de Melo | 7289f83 | 2012-06-12 12:34:58 -0300 | [diff] [blame] | 487 | 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] | 488 | |
Arnaldo Carvalho de Melo | ec52d97 | 2011-03-11 10:11:48 -0300 | [diff] [blame] | 489 | prompt_integer(&counter, "Enter details event counter"); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 490 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 491 | if (counter >= top->evlist->nr_entries) { |
Arnaldo Carvalho de Melo | 0c21f73 | 2012-08-14 16:42:15 -0300 | [diff] [blame] | 492 | top->sym_evsel = perf_evlist__first(top->evlist); |
Arnaldo Carvalho de Melo | 7289f83 | 2012-06-12 12:34:58 -0300 | [diff] [blame] | 493 | 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] | 494 | sleep(1); |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 495 | break; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 496 | } |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 497 | list_for_each_entry(top->sym_evsel, &top->evlist->entries, node) |
| 498 | if (top->sym_evsel->idx == counter) |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 499 | break; |
Arnaldo Carvalho de Melo | ec52d97 | 2011-03-11 10:11:48 -0300 | [diff] [blame] | 500 | } else |
Arnaldo Carvalho de Melo | 0c21f73 | 2012-08-14 16:42:15 -0300 | [diff] [blame] | 501 | top->sym_evsel = perf_evlist__first(top->evlist); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 502 | break; |
| 503 | case 'f': |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 504 | prompt_integer(&top->count_filter, "Enter display event count filter"); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 505 | break; |
| 506 | case 'F': |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 507 | prompt_percent(&top->sym_pcnt_filter, |
| 508 | "Enter details display event filter (percent)"); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 509 | break; |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 510 | case 'K': |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 511 | top->hide_kernel_symbols = !top->hide_kernel_symbols; |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 512 | break; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 513 | case 'q': |
| 514 | case 'Q': |
| 515 | printf("exiting.\n"); |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 516 | if (top->dump_symtab) |
| 517 | perf_session__fprintf_dsos(top->session, stderr); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 518 | exit(0); |
| 519 | case 's': |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 520 | perf_top__prompt_symbol(top, "Enter details symbol"); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 521 | break; |
| 522 | case 'S': |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 523 | if (!top->sym_filter_entry) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 524 | break; |
| 525 | else { |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 526 | struct hist_entry *syme = top->sym_filter_entry; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 527 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 528 | top->sym_filter_entry = NULL; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 529 | __zero_source_counters(syme); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 530 | } |
| 531 | break; |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 532 | case 'U': |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 533 | top->hide_user_symbols = !top->hide_user_symbols; |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 534 | break; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 535 | case 'z': |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 536 | top->zero = !top->zero; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 537 | break; |
Ingo Molnar | 83a0944 | 2009-08-15 12:26:57 +0200 | [diff] [blame] | 538 | default: |
| 539 | break; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 540 | } |
| 541 | } |
| 542 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 543 | static void perf_top__sort_new_samples(void *arg) |
| 544 | { |
| 545 | struct perf_top *t = arg; |
| 546 | perf_top__reset_sample_counters(t); |
| 547 | |
| 548 | if (t->evlist->selected != NULL) |
| 549 | t->sym_evsel = t->evlist->selected; |
| 550 | |
| 551 | hists__collapse_resort_threaded(&t->sym_evsel->hists); |
| 552 | hists__output_resort_threaded(&t->sym_evsel->hists); |
Arnaldo Carvalho de Melo | b079d4e | 2011-10-17 09:05:04 -0200 | [diff] [blame] | 553 | hists__decay_entries_threaded(&t->sym_evsel->hists, |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 554 | t->hide_user_symbols, |
| 555 | t->hide_kernel_symbols); |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 556 | } |
| 557 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 558 | static void *display_thread_tui(void *arg) |
Arnaldo Carvalho de Melo | c0443df | 2011-01-31 18:19:33 -0200 | [diff] [blame] | 559 | { |
Arnaldo Carvalho de Melo | 0d37aa3 | 2012-01-19 14:08:15 -0200 | [diff] [blame] | 560 | struct perf_evsel *pos; |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 561 | struct perf_top *top = arg; |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 562 | 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] | 563 | struct hist_browser_timer hbt = { |
| 564 | .timer = perf_top__sort_new_samples, |
| 565 | .arg = top, |
| 566 | .refresh = top->delay_secs, |
| 567 | }; |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 568 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 569 | perf_top__sort_new_samples(top); |
Arnaldo Carvalho de Melo | 0d37aa3 | 2012-01-19 14:08:15 -0200 | [diff] [blame] | 570 | |
| 571 | /* |
| 572 | * Initialize the uid_filter_str, in the future the TUI will allow |
| 573 | * Zooming in/out UIDs. For now juse use whatever the user passed |
| 574 | * via --uid. |
| 575 | */ |
| 576 | list_for_each_entry(pos, &top->evlist->entries, node) |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 577 | pos->hists.uid_filter_str = top->record_opts.target.uid_str; |
Arnaldo Carvalho de Melo | 0d37aa3 | 2012-01-19 14:08:15 -0200 | [diff] [blame] | 578 | |
Namhyung Kim | 68d8075 | 2012-11-02 14:50:06 +0900 | [diff] [blame] | 579 | perf_evlist__tui_browse_hists(top->evlist, help, &hbt, |
| 580 | &top->session->header.env); |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 581 | |
Arnaldo Carvalho de Melo | c0443df | 2011-01-31 18:19:33 -0200 | [diff] [blame] | 582 | exit_browser(0); |
| 583 | exit(0); |
| 584 | return NULL; |
| 585 | } |
| 586 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 587 | static void *display_thread(void *arg) |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 588 | { |
Frederic Weisbecker | 0f5486b | 2009-06-04 20:48:04 +0200 | [diff] [blame] | 589 | struct pollfd stdin_poll = { .fd = 0, .events = POLLIN }; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 590 | struct termios tc, save; |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 591 | struct perf_top *top = arg; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 592 | int delay_msecs, c; |
Frederic Weisbecker | 0f5486b | 2009-06-04 20:48:04 +0200 | [diff] [blame] | 593 | |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 594 | tcgetattr(0, &save); |
| 595 | tc = save; |
| 596 | tc.c_lflag &= ~(ICANON | ECHO); |
| 597 | tc.c_cc[VMIN] = 0; |
| 598 | tc.c_cc[VTIME] = 0; |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 599 | |
Arnaldo Carvalho de Melo | 3af6e33 | 2011-10-13 08:52:46 -0300 | [diff] [blame] | 600 | pthread__unblock_sigwinch(); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 601 | repeat: |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 602 | delay_msecs = top->delay_secs * 1000; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 603 | tcsetattr(0, TCSANOW, &tc); |
| 604 | /* trash return*/ |
| 605 | getc(stdin); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 606 | |
Arnaldo Carvalho de Melo | 3af6e33 | 2011-10-13 08:52:46 -0300 | [diff] [blame] | 607 | while (1) { |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 608 | perf_top__print_sym_table(top); |
Arnaldo Carvalho de Melo | 3af6e33 | 2011-10-13 08:52:46 -0300 | [diff] [blame] | 609 | /* |
| 610 | * Either timeout expired or we got an EINTR due to SIGWINCH, |
| 611 | * refresh screen in both cases. |
| 612 | */ |
| 613 | switch (poll(&stdin_poll, 1, delay_msecs)) { |
| 614 | case 0: |
| 615 | continue; |
| 616 | case -1: |
| 617 | if (errno == EINTR) |
| 618 | continue; |
| 619 | /* Fall trhu */ |
| 620 | default: |
| 621 | goto process_hotkey; |
| 622 | } |
| 623 | } |
| 624 | process_hotkey: |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 625 | c = getc(stdin); |
| 626 | tcsetattr(0, TCSAFLUSH, &save); |
| 627 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 628 | perf_top__handle_keypress(top, c); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 629 | goto repeat; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 630 | |
| 631 | return NULL; |
| 632 | } |
| 633 | |
Anton Blanchard | 2ab5208 | 2009-07-01 09:00:46 +1000 | [diff] [blame] | 634 | /* Tag samples to be skipped. */ |
Ingo Molnar | f37a291 | 2009-07-01 12:37:06 +0200 | [diff] [blame] | 635 | static const char *skip_symbols[] = { |
Arnaldo Carvalho de Melo | 4bea8b5 | 2012-04-02 11:16:24 -0300 | [diff] [blame] | 636 | "intel_idle", |
Anton Blanchard | 2ab5208 | 2009-07-01 09:00:46 +1000 | [diff] [blame] | 637 | "default_idle", |
Arnaldo Carvalho de Melo | b0e8572 | 2011-01-16 17:39:15 -0200 | [diff] [blame] | 638 | "native_safe_halt", |
Anton Blanchard | 2ab5208 | 2009-07-01 09:00:46 +1000 | [diff] [blame] | 639 | "cpu_idle", |
| 640 | "enter_idle", |
| 641 | "exit_idle", |
| 642 | "mwait_idle", |
Arnaldo Carvalho de Melo | 59b9005 | 2009-07-26 19:06:19 -0300 | [diff] [blame] | 643 | "mwait_idle_with_hints", |
Arnaldo Carvalho de Melo | 8357275 | 2009-09-25 15:02:39 -0700 | [diff] [blame] | 644 | "poll_idle", |
Anton Blanchard | 3a3393e | 2009-07-01 09:00:47 +1000 | [diff] [blame] | 645 | "ppc64_runlatch_off", |
| 646 | "pseries_dedicated_idle_sleep", |
Anton Blanchard | 2ab5208 | 2009-07-01 09:00:46 +1000 | [diff] [blame] | 647 | NULL |
| 648 | }; |
| 649 | |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 650 | static int symbol_filter(struct map *map __maybe_unused, struct symbol *sym) |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 651 | { |
Arnaldo Carvalho de Melo | de04687 | 2009-05-28 14:55:41 -0300 | [diff] [blame] | 652 | const char *name = sym->name; |
Anton Blanchard | 2ab5208 | 2009-07-01 09:00:46 +1000 | [diff] [blame] | 653 | int i; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 654 | |
Anton Blanchard | 3a3393e | 2009-07-01 09:00:47 +1000 | [diff] [blame] | 655 | /* |
| 656 | * ppc64 uses function descriptors and appends a '.' to the |
| 657 | * start of every instruction address. Remove it. |
| 658 | */ |
| 659 | if (name[0] == '.') |
| 660 | name++; |
| 661 | |
Arnaldo Carvalho de Melo | de04687 | 2009-05-28 14:55:41 -0300 | [diff] [blame] | 662 | if (!strcmp(name, "_text") || |
| 663 | !strcmp(name, "_etext") || |
| 664 | !strcmp(name, "_sinittext") || |
| 665 | !strncmp("init_module", name, 11) || |
| 666 | !strncmp("cleanup_module", name, 14) || |
| 667 | strstr(name, "_text_start") || |
| 668 | strstr(name, "_text_end")) |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 669 | return 1; |
| 670 | |
Anton Blanchard | 2ab5208 | 2009-07-01 09:00:46 +1000 | [diff] [blame] | 671 | for (i = 0; skip_symbols[i]; i++) { |
| 672 | if (!strcmp(skip_symbols[i], name)) { |
Arnaldo Carvalho de Melo | 171b3be | 2011-03-11 13:36:01 -0300 | [diff] [blame] | 673 | sym->ignore = true; |
Anton Blanchard | 2ab5208 | 2009-07-01 09:00:46 +1000 | [diff] [blame] | 674 | break; |
| 675 | } |
| 676 | } |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 677 | |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 678 | return 0; |
| 679 | } |
| 680 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 681 | static void perf_event__process_sample(struct perf_tool *tool, |
| 682 | const union perf_event *event, |
Arnaldo Carvalho de Melo | 7b27509 | 2011-10-29 12:15:04 -0200 | [diff] [blame] | 683 | struct perf_evsel *evsel, |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 684 | struct perf_sample *sample, |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 685 | struct machine *machine) |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 686 | { |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 687 | struct perf_top *top = container_of(tool, struct perf_top, tool); |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 688 | struct symbol *parent = NULL; |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 689 | u64 ip = event->ip.ip; |
Arnaldo Carvalho de Melo | 1ed091c | 2009-11-27 16:29:23 -0200 | [diff] [blame] | 690 | struct addr_location al; |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 691 | int err; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 692 | |
Arnaldo Carvalho de Melo | 23346f2 | 2010-04-27 21:17:50 -0300 | [diff] [blame] | 693 | if (!machine && perf_guest) { |
David Ahern | 6b118e9 | 2012-07-30 22:31:35 -0600 | [diff] [blame] | 694 | static struct intlist *seen; |
| 695 | |
| 696 | if (!seen) |
Arnaldo Carvalho de Melo | ffe0fb7 | 2013-01-24 16:17:27 -0300 | [diff] [blame] | 697 | seen = intlist__new(NULL); |
David Ahern | 6b118e9 | 2012-07-30 22:31:35 -0600 | [diff] [blame] | 698 | |
| 699 | if (!intlist__has_entry(seen, event->ip.pid)) { |
| 700 | pr_err("Can't find guest [%d]'s kernel information\n", |
| 701 | event->ip.pid); |
| 702 | intlist__add(seen, event->ip.pid); |
| 703 | } |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 704 | return; |
| 705 | } |
| 706 | |
Joerg Roedel | 0c09571 | 2012-02-10 18:05:04 +0100 | [diff] [blame] | 707 | if (!machine) { |
Arnaldo Carvalho de Melo | ee8d778 | 2012-11-21 18:58:50 -0300 | [diff] [blame] | 708 | pr_err("%u unprocessable samples recorded.\n", |
Arnaldo Carvalho de Melo | 28a6b6a | 2012-12-18 16:24:46 -0300 | [diff] [blame] | 709 | top->session->stats.nr_unprocessable_samples++); |
Joerg Roedel | 0c09571 | 2012-02-10 18:05:04 +0100 | [diff] [blame] | 710 | return; |
| 711 | } |
| 712 | |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 713 | if (event->header.misc & PERF_RECORD_MISC_EXACT_IP) |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 714 | top->exact_samples++; |
Peter Zijlstra | 1676b8a | 2010-03-04 14:19:36 +0100 | [diff] [blame] | 715 | |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 716 | if (perf_event__preprocess_sample(event, machine, &al, sample, |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 717 | symbol_filter) < 0 || |
Arnaldo Carvalho de Melo | 72b8fa1 | 2010-01-27 21:05:49 -0200 | [diff] [blame] | 718 | al.filtered) |
Arnaldo Carvalho de Melo | 1ed091c | 2009-11-27 16:29:23 -0200 | [diff] [blame] | 719 | return; |
Arnaldo Carvalho de Melo | 5b2bb75 | 2009-10-26 19:23:19 -0200 | [diff] [blame] | 720 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 721 | if (!top->kptr_restrict_warned && |
Arnaldo Carvalho de Melo | 5f6f558 | 2011-05-27 11:53:28 -0300 | [diff] [blame] | 722 | symbol_conf.kptr_restrict && |
| 723 | al.cpumode == PERF_RECORD_MISC_KERNEL) { |
| 724 | ui__warning( |
| 725 | "Kernel address maps (/proc/{kallsyms,modules}) are restricted.\n\n" |
| 726 | "Check /proc/sys/kernel/kptr_restrict.\n\n" |
| 727 | "Kernel%s samples will not be resolved.\n", |
| 728 | !RB_EMPTY_ROOT(&al.map->dso->symbols[MAP__FUNCTION]) ? |
| 729 | " modules" : ""); |
| 730 | if (use_browser <= 0) |
| 731 | sleep(5); |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 732 | top->kptr_restrict_warned = true; |
Arnaldo Carvalho de Melo | 5f6f558 | 2011-05-27 11:53:28 -0300 | [diff] [blame] | 733 | } |
| 734 | |
Arnaldo Carvalho de Melo | 72b8fa1 | 2010-01-27 21:05:49 -0200 | [diff] [blame] | 735 | if (al.sym == NULL) { |
Arnaldo Carvalho de Melo | e4a338d | 2011-05-27 13:42:16 -0300 | [diff] [blame] | 736 | const char *msg = "Kernel samples will not be resolved.\n"; |
Arnaldo Carvalho de Melo | 72b8fa1 | 2010-01-27 21:05:49 -0200 | [diff] [blame] | 737 | /* |
| 738 | * As we do lazy loading of symtabs we only will know if the |
| 739 | * specified vmlinux file is invalid when we actually have a |
| 740 | * hit in kernel space and then try to load it. So if we get |
| 741 | * here and there are _no_ symbols in the DSO backing the |
| 742 | * kernel map, bail out. |
| 743 | * |
| 744 | * We may never get here, for instance, if we use -K/ |
| 745 | * --hide-kernel-symbols, even if the user specifies an |
| 746 | * invalid --vmlinux ;-) |
| 747 | */ |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 748 | if (!top->kptr_restrict_warned && !top->vmlinux_warned && |
Arnaldo Carvalho de Melo | e4a338d | 2011-05-27 13:42:16 -0300 | [diff] [blame] | 749 | al.map == machine->vmlinux_maps[MAP__FUNCTION] && |
Arnaldo Carvalho de Melo | 72b8fa1 | 2010-01-27 21:05:49 -0200 | [diff] [blame] | 750 | RB_EMPTY_ROOT(&al.map->dso->symbols[MAP__FUNCTION])) { |
Arnaldo Carvalho de Melo | e4a338d | 2011-05-27 13:42:16 -0300 | [diff] [blame] | 751 | if (symbol_conf.vmlinux_name) { |
| 752 | ui__warning("The %s file can't be used.\n%s", |
| 753 | symbol_conf.vmlinux_name, msg); |
| 754 | } else { |
| 755 | ui__warning("A vmlinux file was not found.\n%s", |
| 756 | msg); |
| 757 | } |
| 758 | |
| 759 | if (use_browser <= 0) |
| 760 | sleep(5); |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 761 | top->vmlinux_warned = true; |
Arnaldo Carvalho de Melo | 72b8fa1 | 2010-01-27 21:05:49 -0200 | [diff] [blame] | 762 | } |
Arnaldo Carvalho de Melo | 72b8fa1 | 2010-01-27 21:05:49 -0200 | [diff] [blame] | 763 | } |
| 764 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 765 | if (al.sym == NULL || !al.sym->ignore) { |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 766 | struct hist_entry *he; |
Arnaldo Carvalho de Melo | 70db753 | 2011-01-12 22:39:13 -0200 | [diff] [blame] | 767 | |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 768 | if ((sort__has_parent || symbol_conf.use_callchain) && |
| 769 | sample->callchain) { |
Jiri Olsa | 71ad0f5 | 2012-08-07 15:20:46 +0200 | [diff] [blame] | 770 | err = machine__resolve_callchain(machine, evsel, |
| 771 | al.thread, sample, |
| 772 | &parent); |
| 773 | |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 774 | if (err) |
| 775 | return; |
| 776 | } |
| 777 | |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 778 | he = perf_evsel__add_hist_entry(evsel, &al, sample); |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 779 | if (he == NULL) { |
| 780 | pr_err("Problem incrementing symbol period, skipping event\n"); |
| 781 | return; |
Arnaldo Carvalho de Melo | 5807806 | 2011-03-01 10:43:03 -0300 | [diff] [blame] | 782 | } |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 783 | |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 784 | if (symbol_conf.use_callchain) { |
Namhyung Kim | 4726064 | 2012-05-31 14:43:26 +0900 | [diff] [blame] | 785 | err = callchain_append(he->callchain, &callchain_cursor, |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 786 | sample->period); |
| 787 | if (err) |
| 788 | return; |
| 789 | } |
| 790 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 791 | if (top->sort_has_symbols) |
| 792 | perf_top__record_precise_ip(top, he, evsel->idx, ip); |
Arnaldo Carvalho de Melo | 5b2bb75 | 2009-10-26 19:23:19 -0200 | [diff] [blame] | 793 | } |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 794 | |
| 795 | return; |
Arnaldo Carvalho de Melo | 5b2bb75 | 2009-10-26 19:23:19 -0200 | [diff] [blame] | 796 | } |
| 797 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 798 | 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] | 799 | { |
Arnaldo Carvalho de Melo | 8d50e5b | 2011-01-29 13:02:00 -0200 | [diff] [blame] | 800 | struct perf_sample sample; |
Arnaldo Carvalho de Melo | 7b27509 | 2011-10-29 12:15:04 -0200 | [diff] [blame] | 801 | struct perf_evsel *evsel; |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 802 | struct perf_session *session = top->session; |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 803 | union perf_event *event; |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 804 | struct machine *machine; |
| 805 | u8 origin; |
Frederic Weisbecker | 5538bec | 2011-05-22 02:17:22 +0200 | [diff] [blame] | 806 | int ret; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 807 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 808 | while ((event = perf_evlist__mmap_read(top->evlist, idx)) != NULL) { |
Arnaldo Carvalho de Melo | 0807d2d | 2012-09-26 12:48:18 -0300 | [diff] [blame] | 809 | ret = perf_evlist__parse_sample(top->evlist, event, &sample); |
Frederic Weisbecker | 5538bec | 2011-05-22 02:17:22 +0200 | [diff] [blame] | 810 | if (ret) { |
| 811 | pr_err("Can't parse sample, err = %d\n", ret); |
| 812 | continue; |
| 813 | } |
Arnaldo Carvalho de Melo | 04391de | 2011-01-15 10:40:59 -0200 | [diff] [blame] | 814 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 815 | evsel = perf_evlist__id2evsel(session->evlist, sample.id); |
Arnaldo Carvalho de Melo | 7b27509 | 2011-10-29 12:15:04 -0200 | [diff] [blame] | 816 | assert(evsel != NULL); |
| 817 | |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 818 | origin = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK; |
| 819 | |
Arnaldo Carvalho de Melo | 5b2bb75 | 2009-10-26 19:23:19 -0200 | [diff] [blame] | 820 | if (event->header.type == PERF_RECORD_SAMPLE) |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 821 | ++top->samples; |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 822 | |
| 823 | switch (origin) { |
| 824 | case PERF_RECORD_MISC_USER: |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 825 | ++top->us_samples; |
| 826 | if (top->hide_user_symbols) |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 827 | continue; |
Arnaldo Carvalho de Melo | 34ba512 | 2012-12-19 09:04:24 -0300 | [diff] [blame] | 828 | machine = &session->machines.host; |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 829 | break; |
| 830 | case PERF_RECORD_MISC_KERNEL: |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 831 | ++top->kernel_samples; |
| 832 | if (top->hide_kernel_symbols) |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 833 | continue; |
Arnaldo Carvalho de Melo | 34ba512 | 2012-12-19 09:04:24 -0300 | [diff] [blame] | 834 | machine = &session->machines.host; |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 835 | break; |
| 836 | case PERF_RECORD_MISC_GUEST_KERNEL: |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 837 | ++top->guest_kernel_samples; |
| 838 | machine = perf_session__find_machine(session, event->ip.pid); |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 839 | break; |
| 840 | case PERF_RECORD_MISC_GUEST_USER: |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 841 | ++top->guest_us_samples; |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 842 | /* |
| 843 | * TODO: we don't process guest user from host side |
| 844 | * except simple counting. |
| 845 | */ |
| 846 | /* Fall thru */ |
| 847 | default: |
| 848 | continue; |
| 849 | } |
| 850 | |
| 851 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 852 | if (event->header.type == PERF_RECORD_SAMPLE) { |
| 853 | perf_event__process_sample(&top->tool, event, evsel, |
| 854 | &sample, machine); |
| 855 | } else if (event->header.type < PERF_RECORD_MAX) { |
Arnaldo Carvalho de Melo | 7b27509 | 2011-10-29 12:15:04 -0200 | [diff] [blame] | 856 | hists__inc_nr_events(&evsel->hists, event->header.type); |
Arnaldo Carvalho de Melo | b0a7d1a | 2012-10-06 16:26:02 -0300 | [diff] [blame] | 857 | machine__process_event(machine, event); |
Arnaldo Carvalho de Melo | 7b27509 | 2011-10-29 12:15:04 -0200 | [diff] [blame] | 858 | } else |
Arnaldo Carvalho de Melo | 28a6b6a | 2012-12-18 16:24:46 -0300 | [diff] [blame] | 859 | ++session->stats.nr_unknown_events; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 860 | } |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 861 | } |
| 862 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 863 | static void perf_top__mmap_read(struct perf_top *top) |
Frederic Weisbecker | 2f01190 | 2009-06-06 23:10:43 +0200 | [diff] [blame] | 864 | { |
Arnaldo Carvalho de Melo | 70db753 | 2011-01-12 22:39:13 -0200 | [diff] [blame] | 865 | int i; |
Frederic Weisbecker | 2f01190 | 2009-06-06 23:10:43 +0200 | [diff] [blame] | 866 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 867 | for (i = 0; i < top->evlist->nr_mmaps; i++) |
| 868 | perf_top__mmap_read_idx(top, i); |
Frederic Weisbecker | 2f01190 | 2009-06-06 23:10:43 +0200 | [diff] [blame] | 869 | } |
| 870 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 871 | static void perf_top__start_counters(struct perf_top *top) |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 872 | { |
Arnaldo Carvalho de Melo | 56e52e8 | 2012-12-13 15:10:58 -0300 | [diff] [blame] | 873 | char msg[512]; |
Jiri Olsa | 6a4bb04 | 2012-08-08 12:22:36 +0200 | [diff] [blame] | 874 | struct perf_evsel *counter; |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 875 | struct perf_evlist *evlist = top->evlist; |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 876 | struct perf_record_opts *opts = &top->record_opts; |
Arnaldo Carvalho de Melo | 727ab04 | 2011-10-25 10:42:19 -0200 | [diff] [blame] | 877 | |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 878 | perf_evlist__config(evlist, opts); |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 879 | |
| 880 | list_for_each_entry(counter, &evlist->entries, node) { |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 881 | try_again: |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 882 | if (perf_evsel__open(counter, top->evlist->cpus, |
Jiri Olsa | 6a4bb04 | 2012-08-08 12:22:36 +0200 | [diff] [blame] | 883 | top->evlist->threads) < 0) { |
Arnaldo Carvalho de Melo | 56e52e8 | 2012-12-13 15:10:58 -0300 | [diff] [blame] | 884 | if (perf_evsel__fallback(counter, errno, msg, sizeof(msg))) { |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 885 | if (verbose) |
Arnaldo Carvalho de Melo | c0a5434 | 2012-12-13 14:16:30 -0300 | [diff] [blame] | 886 | ui__warning("%s\n", msg); |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 887 | goto try_again; |
| 888 | } |
Arnaldo Carvalho de Melo | c286c41 | 2011-03-28 09:50:11 -0300 | [diff] [blame] | 889 | |
Arnaldo Carvalho de Melo | 56e52e8 | 2012-12-13 15:10:58 -0300 | [diff] [blame] | 890 | perf_evsel__open_strerror(counter, &opts->target, |
| 891 | errno, msg, sizeof(msg)); |
| 892 | ui__error("%s\n", msg); |
Arnaldo Carvalho de Melo | c286c41 | 2011-03-28 09:50:11 -0300 | [diff] [blame] | 893 | goto out_err; |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 894 | } |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 895 | } |
Arnaldo Carvalho de Melo | 70db753 | 2011-01-12 22:39:13 -0200 | [diff] [blame] | 896 | |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 897 | if (perf_evlist__mmap(evlist, opts->mmap_pages, false) < 0) { |
Namhyung Kim | 3780f48 | 2012-05-29 13:22:57 +0900 | [diff] [blame] | 898 | ui__error("Failed to mmap with %d (%s)\n", |
Arnaldo Carvalho de Melo | c286c41 | 2011-03-28 09:50:11 -0300 | [diff] [blame] | 899 | errno, strerror(errno)); |
| 900 | goto out_err; |
| 901 | } |
| 902 | |
| 903 | return; |
| 904 | |
| 905 | out_err: |
| 906 | exit_browser(0); |
| 907 | exit(0); |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 908 | } |
| 909 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 910 | static int perf_top__setup_sample_type(struct perf_top *top) |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 911 | { |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 912 | if (!top->sort_has_symbols) { |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 913 | if (symbol_conf.use_callchain) { |
Namhyung Kim | 3780f48 | 2012-05-29 13:22:57 +0900 | [diff] [blame] | 914 | 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] | 915 | return -EINVAL; |
| 916 | } |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 917 | } else if (callchain_param.mode != CHAIN_NONE) { |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 918 | if (callchain_register_param(&callchain_param) < 0) { |
Namhyung Kim | 3780f48 | 2012-05-29 13:22:57 +0900 | [diff] [blame] | 919 | ui__error("Can't register callchain params.\n"); |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 920 | return -EINVAL; |
| 921 | } |
| 922 | } |
| 923 | |
| 924 | return 0; |
| 925 | } |
| 926 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 927 | static int __cmd_top(struct perf_top *top) |
Ingo Molnar | 716c69f | 2009-06-07 17:31:52 +0200 | [diff] [blame] | 928 | { |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 929 | struct perf_record_opts *opts = &top->record_opts; |
Ingo Molnar | 716c69f | 2009-06-07 17:31:52 +0200 | [diff] [blame] | 930 | pthread_t thread; |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 931 | int ret; |
Arnaldo Carvalho de Melo | d8f6624 | 2009-12-13 19:50:24 -0200 | [diff] [blame] | 932 | /* |
Arnaldo Carvalho de Melo | b3165f4 | 2009-12-13 19:50:28 -0200 | [diff] [blame] | 933 | * FIXME: perf_session__new should allow passing a O_MMAP, so that all this |
| 934 | * mmap reading, etc is encapsulated in it. Use O_WRONLY for now. |
Arnaldo Carvalho de Melo | d8f6624 | 2009-12-13 19:50:24 -0200 | [diff] [blame] | 935 | */ |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 936 | top->session = perf_session__new(NULL, O_WRONLY, false, false, NULL); |
| 937 | if (top->session == NULL) |
Arnaldo Carvalho de Melo | b3165f4 | 2009-12-13 19:50:28 -0200 | [diff] [blame] | 938 | return -ENOMEM; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 939 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 940 | ret = perf_top__setup_sample_type(top); |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 941 | if (ret) |
| 942 | goto out_delete; |
| 943 | |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 944 | if (perf_target__has_task(&opts->target)) |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 945 | perf_event__synthesize_thread_map(&top->tool, top->evlist->threads, |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 946 | perf_event__process, |
Arnaldo Carvalho de Melo | 876650e | 2012-12-18 19:15:48 -0300 | [diff] [blame] | 947 | &top->session->machines.host); |
Arnaldo Carvalho de Melo | 5b2bb75 | 2009-10-26 19:23:19 -0200 | [diff] [blame] | 948 | else |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 949 | perf_event__synthesize_threads(&top->tool, perf_event__process, |
Arnaldo Carvalho de Melo | 876650e | 2012-12-18 19:15:48 -0300 | [diff] [blame] | 950 | &top->session->machines.host); |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 951 | perf_top__start_counters(top); |
| 952 | top->session->evlist = top->evlist; |
Arnaldo Carvalho de Melo | 7b56cce | 2012-08-01 19:31:00 -0300 | [diff] [blame] | 953 | perf_session__set_id_hdr_size(top->session); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 954 | |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 955 | /* |
| 956 | * When perf is starting the traced process, all the events (apart from |
| 957 | * group members) have enable_on_exec=1 set, so don't spoil it by |
| 958 | * prematurely enabling them. |
| 959 | * |
| 960 | * XXX 'top' still doesn't start workloads like record, trace, but should, |
| 961 | * so leave the check here. |
| 962 | */ |
| 963 | if (!perf_target__none(&opts->target)) |
| 964 | perf_evlist__enable(top->evlist); |
| 965 | |
Frederic Weisbecker | 2f01190 | 2009-06-06 23:10:43 +0200 | [diff] [blame] | 966 | /* Wait for a minimal set of events before starting the snapshot */ |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 967 | poll(top->evlist->pollfd, top->evlist->nr_fds, 100); |
Frederic Weisbecker | 2f01190 | 2009-06-06 23:10:43 +0200 | [diff] [blame] | 968 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 969 | perf_top__mmap_read(top); |
Frederic Weisbecker | 2f01190 | 2009-06-06 23:10:43 +0200 | [diff] [blame] | 970 | |
Arnaldo Carvalho de Melo | c0443df | 2011-01-31 18:19:33 -0200 | [diff] [blame] | 971 | 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] | 972 | display_thread), top)) { |
Namhyung Kim | 3780f48 | 2012-05-29 13:22:57 +0900 | [diff] [blame] | 973 | ui__error("Could not create display thread.\n"); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 974 | exit(-1); |
| 975 | } |
| 976 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 977 | if (top->realtime_prio) { |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 978 | struct sched_param param; |
| 979 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 980 | param.sched_priority = top->realtime_prio; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 981 | if (sched_setscheduler(0, SCHED_FIFO, ¶m)) { |
Namhyung Kim | 3780f48 | 2012-05-29 13:22:57 +0900 | [diff] [blame] | 982 | ui__error("Could not set realtime priority.\n"); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 983 | exit(-1); |
| 984 | } |
| 985 | } |
| 986 | |
| 987 | while (1) { |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 988 | u64 hits = top->samples; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 989 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 990 | perf_top__mmap_read(top); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 991 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 992 | if (hits == top->samples) |
| 993 | ret = poll(top->evlist->pollfd, top->evlist->nr_fds, 100); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 994 | } |
| 995 | |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 996 | out_delete: |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 997 | perf_session__delete(top->session); |
| 998 | top->session = NULL; |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 999 | |
| 1000 | return 0; |
| 1001 | } |
| 1002 | |
| 1003 | static int |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1004 | 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] | 1005 | { |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 1006 | /* |
| 1007 | * --no-call-graph |
| 1008 | */ |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 1009 | if (unset) |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 1010 | return 0; |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 1011 | |
| 1012 | symbol_conf.use_callchain = true; |
| 1013 | |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 1014 | return record_parse_callchain_opt(opt, arg, unset); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 1015 | } |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1016 | |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 1017 | 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] | 1018 | { |
Namhyung Kim | 16ad2ff | 2012-05-07 14:09:02 +0900 | [diff] [blame] | 1019 | int status; |
| 1020 | char errbuf[BUFSIZ]; |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1021 | struct perf_top top = { |
| 1022 | .count_filter = 5, |
| 1023 | .delay_secs = 2, |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 1024 | .record_opts = { |
| 1025 | .mmap_pages = UINT_MAX, |
| 1026 | .user_freq = UINT_MAX, |
| 1027 | .user_interval = ULLONG_MAX, |
| 1028 | .freq = 4000, /* 4 KHz */ |
| 1029 | .target = { |
| 1030 | .uses_mmap = true, |
| 1031 | }, |
Namhyung Kim | d1cb9fc | 2012-05-16 18:45:49 +0900 | [diff] [blame] | 1032 | }, |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 1033 | .sym_pcnt_filter = 5, |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1034 | }; |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 1035 | struct perf_record_opts *opts = &top.record_opts; |
| 1036 | struct perf_target *target = &opts->target; |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1037 | const struct option options[] = { |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1038 | OPT_CALLBACK('e', "event", &top.evlist, "event", |
Thomas Gleixner | 86847b6 | 2009-06-06 12:24:17 +0200 | [diff] [blame] | 1039 | "event selector. use 'perf list' to list available events", |
Jiri Olsa | f120f9d | 2011-07-14 11:25:32 +0200 | [diff] [blame] | 1040 | parse_events_option), |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 1041 | OPT_U64('c', "count", &opts->user_interval, "event period to sample"), |
| 1042 | OPT_STRING('p', "pid", &target->pid, "pid", |
Zhang, Yanmin | d6d901c | 2010-03-18 11:36:05 -0300 | [diff] [blame] | 1043 | "profile events on existing process id"), |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 1044 | OPT_STRING('t', "tid", &target->tid, "tid", |
Zhang, Yanmin | d6d901c | 2010-03-18 11:36:05 -0300 | [diff] [blame] | 1045 | "profile events on existing thread id"), |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 1046 | OPT_BOOLEAN('a', "all-cpus", &target->system_wide, |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1047 | "system-wide collection from all CPUs"), |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 1048 | OPT_STRING('C', "cpu", &target->cpu_list, "cpu", |
Stephane Eranian | c45c6ea | 2010-05-28 12:00:01 +0200 | [diff] [blame] | 1049 | "list of cpus to monitor"), |
Arnaldo Carvalho de Melo | b32d133 | 2009-11-24 12:05:15 -0200 | [diff] [blame] | 1050 | OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, |
| 1051 | "file", "vmlinux pathname"), |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1052 | OPT_BOOLEAN('K', "hide_kernel_symbols", &top.hide_kernel_symbols, |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 1053 | "hide kernel symbols"), |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 1054 | OPT_UINTEGER('m', "mmap-pages", &opts->mmap_pages, |
| 1055 | "number of mmap data pages"), |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1056 | OPT_INTEGER('r', "realtime", &top.realtime_prio, |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1057 | "collect data with this RT SCHED_FIFO priority"), |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1058 | OPT_INTEGER('d', "delay", &top.delay_secs, |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1059 | "number of seconds to delay between refreshes"), |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1060 | OPT_BOOLEAN('D', "dump-symtab", &top.dump_symtab, |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1061 | "dump the symbol table used for profiling"), |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1062 | OPT_INTEGER('f', "count-filter", &top.count_filter, |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1063 | "only display functions with more events than this"), |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 1064 | OPT_BOOLEAN('g', "group", &opts->group, |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1065 | "put the counters into a counter group"), |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 1066 | OPT_BOOLEAN('i', "no-inherit", &opts->no_inherit, |
| 1067 | "child tasks do not inherit counters"), |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1068 | OPT_STRING(0, "sym-annotate", &top.sym_filter, "symbol name", |
Kirill Smelkov | 6cff0e8 | 2010-02-03 16:52:08 -0200 | [diff] [blame] | 1069 | "symbol to annotate"), |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 1070 | OPT_BOOLEAN('z', "zero", &top.zero, "zero history across updates"), |
| 1071 | 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] | 1072 | OPT_INTEGER('E', "entries", &top.print_entries, |
Ingo Molnar | 6e53cdf | 2009-06-04 08:53:05 +0200 | [diff] [blame] | 1073 | "display this many functions"), |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1074 | OPT_BOOLEAN('U', "hide_user_symbols", &top.hide_user_symbols, |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 1075 | "hide user symbols"), |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1076 | OPT_BOOLEAN(0, "tui", &top.use_tui, "Use the TUI interface"), |
| 1077 | OPT_BOOLEAN(0, "stdio", &top.use_stdio, "Use the stdio interface"), |
Ian Munsie | c055564 | 2010-04-13 18:37:33 +1000 | [diff] [blame] | 1078 | OPT_INCR('v', "verbose", &verbose, |
Ingo Molnar | 3da297a | 2009-06-07 17:39:02 +0200 | [diff] [blame] | 1079 | "be more verbose (show counter open errors, etc)"), |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 1080 | OPT_STRING('s', "sort", &sort_order, "key[,key2...]", |
| 1081 | "sort by key(s): pid, comm, dso, symbol, parent"), |
| 1082 | OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples, |
| 1083 | "Show a column with the number of samples"), |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 1084 | OPT_CALLBACK_DEFAULT('G', "call-graph", &top.record_opts, |
| 1085 | "mode[,dump_size]", record_callchain_help, |
| 1086 | &parse_callchain_opt, "fp"), |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 1087 | OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period, |
| 1088 | "Show a column with the sum of periods"), |
| 1089 | OPT_STRING(0, "dsos", &symbol_conf.dso_list_str, "dso[,dso...]", |
| 1090 | "only consider symbols in these dsos"), |
| 1091 | OPT_STRING(0, "comms", &symbol_conf.comm_list_str, "comm[,comm...]", |
| 1092 | "only consider symbols in these comms"), |
| 1093 | OPT_STRING(0, "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", |
| 1094 | "only consider these symbols"), |
Arnaldo Carvalho de Melo | 64c6f0c | 2011-10-06 12:48:31 -0300 | [diff] [blame] | 1095 | OPT_BOOLEAN(0, "source", &symbol_conf.annotate_src, |
| 1096 | "Interleave source code with assembly code (default)"), |
| 1097 | OPT_BOOLEAN(0, "asm-raw", &symbol_conf.annotate_asm_raw, |
| 1098 | "Display raw encoding of assembly instructions (default)"), |
| 1099 | OPT_STRING('M', "disassembler-style", &disassembler_style, "disassembler style", |
| 1100 | "Specify disassembler style (e.g. -M intel for intel syntax)"), |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 1101 | OPT_STRING('u', "uid", &target->uid_str, "user", "user to profile"), |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1102 | OPT_END() |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1103 | }; |
Arnaldo Carvalho de Melo | be77284 | 2012-10-01 15:20:58 -0300 | [diff] [blame] | 1104 | const char * const top_usage[] = { |
| 1105 | "perf top [<options>]", |
| 1106 | NULL |
| 1107 | }; |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1108 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1109 | top.evlist = perf_evlist__new(NULL, NULL); |
| 1110 | if (top.evlist == NULL) |
Arnaldo Carvalho de Melo | 361c99a | 2011-01-11 20:56:53 -0200 | [diff] [blame] | 1111 | return -ENOMEM; |
| 1112 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 1113 | symbol_conf.exclude_other = false; |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1114 | |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1115 | argc = parse_options(argc, argv, options, top_usage, 0); |
| 1116 | if (argc) |
| 1117 | usage_with_options(top_usage, options); |
| 1118 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 1119 | if (sort_order == default_sort_order) |
| 1120 | sort_order = "dso,symbol"; |
| 1121 | |
| 1122 | setup_sorting(top_usage, options); |
| 1123 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1124 | if (top.use_stdio) |
Arnaldo Carvalho de Melo | c0443df | 2011-01-31 18:19:33 -0200 | [diff] [blame] | 1125 | use_browser = 0; |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1126 | else if (top.use_tui) |
Arnaldo Carvalho de Melo | c0443df | 2011-01-31 18:19:33 -0200 | [diff] [blame] | 1127 | use_browser = 1; |
| 1128 | |
| 1129 | setup_browser(false); |
| 1130 | |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 1131 | status = perf_target__validate(target); |
Namhyung Kim | 16ad2ff | 2012-05-07 14:09:02 +0900 | [diff] [blame] | 1132 | if (status) { |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 1133 | perf_target__strerror(target, status, errbuf, BUFSIZ); |
Namhyung Kim | 16ad2ff | 2012-05-07 14:09:02 +0900 | [diff] [blame] | 1134 | ui__warning("%s", errbuf); |
| 1135 | } |
Namhyung Kim | 4bd0f2d | 2012-04-26 14:15:18 +0900 | [diff] [blame] | 1136 | |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 1137 | status = perf_target__parse_uid(target); |
Namhyung Kim | 16ad2ff | 2012-05-07 14:09:02 +0900 | [diff] [blame] | 1138 | if (status) { |
| 1139 | int saved_errno = errno; |
| 1140 | |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 1141 | perf_target__strerror(target, status, errbuf, BUFSIZ); |
Namhyung Kim | 3780f48 | 2012-05-29 13:22:57 +0900 | [diff] [blame] | 1142 | ui__error("%s", errbuf); |
Namhyung Kim | 16ad2ff | 2012-05-07 14:09:02 +0900 | [diff] [blame] | 1143 | |
| 1144 | status = -saved_errno; |
Arnaldo Carvalho de Melo | 0d37aa3 | 2012-01-19 14:08:15 -0200 | [diff] [blame] | 1145 | goto out_delete_evlist; |
Namhyung Kim | 16ad2ff | 2012-05-07 14:09:02 +0900 | [diff] [blame] | 1146 | } |
Arnaldo Carvalho de Melo | 0d37aa3 | 2012-01-19 14:08:15 -0200 | [diff] [blame] | 1147 | |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 1148 | if (perf_target__none(target)) |
| 1149 | target->system_wide = true; |
Arnaldo Carvalho de Melo | 10b47d5 | 2012-05-07 16:33:56 -0300 | [diff] [blame] | 1150 | |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 1151 | if (perf_evlist__create_maps(top.evlist, target) < 0) |
Arnaldo Carvalho de Melo | 7e2ed09 | 2011-01-30 11:59:43 -0200 | [diff] [blame] | 1152 | usage_with_options(top_usage, options); |
| 1153 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1154 | if (!top.evlist->nr_entries && |
| 1155 | perf_evlist__add_default(top.evlist) < 0) { |
Namhyung Kim | 3780f48 | 2012-05-29 13:22:57 +0900 | [diff] [blame] | 1156 | ui__error("Not enough memory for event selector list\n"); |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 1157 | return -ENOMEM; |
| 1158 | } |
Arnaldo Carvalho de Melo | 5a8e5a3 | 2009-11-17 18:38:01 -0200 | [diff] [blame] | 1159 | |
Arnaldo Carvalho de Melo | d04b35f | 2011-11-11 22:17:32 -0200 | [diff] [blame] | 1160 | symbol_conf.nr_events = top.evlist->nr_entries; |
| 1161 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1162 | if (top.delay_secs < 1) |
| 1163 | top.delay_secs = 1; |
Frederic Weisbecker | 2f335a0 | 2009-06-05 19:31:01 +0200 | [diff] [blame] | 1164 | |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 1165 | if (opts->user_interval != ULLONG_MAX) |
| 1166 | opts->default_interval = opts->user_interval; |
| 1167 | if (opts->user_freq != UINT_MAX) |
| 1168 | opts->freq = opts->user_freq; |
| 1169 | |
Mike Galbraith | 7e4ff9e | 2009-10-12 07:56:03 +0200 | [diff] [blame] | 1170 | /* |
| 1171 | * User specified count overrides default frequency. |
| 1172 | */ |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 1173 | if (opts->default_interval) |
| 1174 | opts->freq = 0; |
| 1175 | else if (opts->freq) { |
| 1176 | opts->default_interval = opts->freq; |
Mike Galbraith | 7e4ff9e | 2009-10-12 07:56:03 +0200 | [diff] [blame] | 1177 | } else { |
Namhyung Kim | 3780f48 | 2012-05-29 13:22:57 +0900 | [diff] [blame] | 1178 | ui__error("frequency and count are zero, aborting\n"); |
Arnaldo Carvalho de Melo | 2376c67 | 2012-12-11 16:48:41 -0300 | [diff] [blame] | 1179 | status = -EINVAL; |
| 1180 | goto out_delete_evlist; |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 1181 | } |
| 1182 | |
Arnaldo Carvalho de Melo | 0c21f73 | 2012-08-14 16:42:15 -0300 | [diff] [blame] | 1183 | top.sym_evsel = perf_evlist__first(top.evlist); |
Arnaldo Carvalho de Melo | cc84158 | 2011-01-11 15:16:52 -0200 | [diff] [blame] | 1184 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 1185 | symbol_conf.priv_size = sizeof(struct annotation); |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 1186 | |
| 1187 | symbol_conf.try_vmlinux_path = (symbol_conf.vmlinux_name == NULL); |
| 1188 | if (symbol__init() < 0) |
| 1189 | return -1; |
| 1190 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 1191 | sort_entry__setup_elide(&sort_dso, symbol_conf.dso_list, "dso", stdout); |
| 1192 | sort_entry__setup_elide(&sort_comm, symbol_conf.comm_list, "comm", stdout); |
| 1193 | sort_entry__setup_elide(&sort_sym, symbol_conf.sym_list, "symbol", stdout); |
| 1194 | |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 1195 | /* |
| 1196 | * Avoid annotation data structures overhead when symbols aren't on the |
| 1197 | * sort list. |
| 1198 | */ |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1199 | top.sort_has_symbols = sort_sym.list.next != NULL; |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 1200 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1201 | get_term_dimensions(&top.winsize); |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1202 | if (top.print_entries == 0) { |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1203 | struct sigaction act = { |
| 1204 | .sa_sigaction = perf_top__sig_winch, |
| 1205 | .sa_flags = SA_SIGINFO, |
| 1206 | }; |
| 1207 | perf_top__update_print_entries(&top); |
| 1208 | sigaction(SIGWINCH, &act, NULL); |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 1209 | } |
| 1210 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1211 | status = __cmd_top(&top); |
Arnaldo Carvalho de Melo | 806fb63 | 2011-11-29 08:05:52 -0200 | [diff] [blame] | 1212 | |
Arnaldo Carvalho de Melo | 0d37aa3 | 2012-01-19 14:08:15 -0200 | [diff] [blame] | 1213 | out_delete_evlist: |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1214 | perf_evlist__delete(top.evlist); |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 1215 | |
| 1216 | return status; |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1217 | } |