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 | b3165f4 | 2009-12-13 19:50:28 -0200 | [diff] [blame] | 29 | #include "util/session.h" |
| 30 | #include "util/symbol.h" |
Arnaldo Carvalho de Melo | 439d473 | 2009-10-02 03:29:58 -0300 | [diff] [blame] | 31 | #include "util/thread.h" |
Arnaldo Carvalho de Melo | fd78260 | 2011-01-18 15:15:24 -0200 | [diff] [blame] | 32 | #include "util/thread_map.h" |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 33 | #include "util/top.h" |
Ingo Molnar | 148be2c | 2009-04-27 08:02:14 +0200 | [diff] [blame] | 34 | #include "util/util.h" |
Arnaldo Carvalho de Melo | 43cbcd8 | 2009-07-01 12:28:37 -0300 | [diff] [blame] | 35 | #include <linux/rbtree.h> |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 36 | #include "util/parse-options.h" |
| 37 | #include "util/parse-events.h" |
Paul Mackerras | a12b51c | 2010-03-10 20:36:09 +1100 | [diff] [blame] | 38 | #include "util/cpumap.h" |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 39 | #include "util/xyarray.h" |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 40 | #include "util/sort.h" |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 41 | |
Frederic Weisbecker | 8f28827a | 2009-08-16 22:05:48 +0200 | [diff] [blame] | 42 | #include "util/debug.h" |
| 43 | |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 44 | #include <assert.h> |
Arnaldo Carvalho de Melo | 31d68e7 | 2012-03-27 12:55:57 -0300 | [diff] [blame] | 45 | #include <elf.h> |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 46 | #include <fcntl.h> |
Ingo Molnar | 0e9b20b | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 47 | |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 48 | #include <stdio.h> |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 49 | #include <termios.h> |
| 50 | #include <unistd.h> |
Arnaldo Carvalho de Melo | 9486aa3 | 2011-01-22 20:37:02 -0200 | [diff] [blame] | 51 | #include <inttypes.h> |
Ingo Molnar | 0e9b20b | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 52 | |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 53 | #include <errno.h> |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 54 | #include <time.h> |
| 55 | #include <sched.h> |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 56 | |
| 57 | #include <sys/syscall.h> |
| 58 | #include <sys/ioctl.h> |
| 59 | #include <sys/poll.h> |
| 60 | #include <sys/prctl.h> |
| 61 | #include <sys/wait.h> |
| 62 | #include <sys/uio.h> |
Arnaldo Carvalho de Melo | 31d68e7 | 2012-03-27 12:55:57 -0300 | [diff] [blame] | 63 | #include <sys/utsname.h> |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 64 | #include <sys/mman.h> |
| 65 | |
| 66 | #include <linux/unistd.h> |
| 67 | #include <linux/types.h> |
| 68 | |
Arnaldo Carvalho de Melo | 895f0ed | 2010-03-11 20:12:41 -0300 | [diff] [blame] | 69 | void get_term_dimensions(struct winsize *ws) |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 70 | { |
Arnaldo Carvalho de Melo | 13cc507 | 2009-11-17 15:40:54 -0200 | [diff] [blame] | 71 | char *s = getenv("LINES"); |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 72 | |
Arnaldo Carvalho de Melo | 13cc507 | 2009-11-17 15:40:54 -0200 | [diff] [blame] | 73 | if (s != NULL) { |
| 74 | ws->ws_row = atoi(s); |
| 75 | s = getenv("COLUMNS"); |
| 76 | if (s != NULL) { |
| 77 | ws->ws_col = atoi(s); |
| 78 | if (ws->ws_row && ws->ws_col) |
| 79 | return; |
| 80 | } |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 81 | } |
Arnaldo Carvalho de Melo | 13cc507 | 2009-11-17 15:40:54 -0200 | [diff] [blame] | 82 | #ifdef TIOCGWINSZ |
| 83 | if (ioctl(1, TIOCGWINSZ, ws) == 0 && |
| 84 | ws->ws_row && ws->ws_col) |
| 85 | return; |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 86 | #endif |
Arnaldo Carvalho de Melo | 13cc507 | 2009-11-17 15:40:54 -0200 | [diff] [blame] | 87 | ws->ws_row = 25; |
| 88 | ws->ws_col = 80; |
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 void perf_top__update_print_entries(struct perf_top *top) |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 92 | { |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 93 | if (top->print_entries > 9) |
| 94 | top->print_entries -= 9; |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 95 | } |
| 96 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 97 | static void perf_top__sig_winch(int sig __used, siginfo_t *info __used, void *arg) |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 98 | { |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 99 | struct perf_top *top = arg; |
| 100 | |
| 101 | get_term_dimensions(&top->winsize); |
Stephane Eranian | 509605d | 2012-01-30 11:50:37 +0100 | [diff] [blame] | 102 | if (!top->print_entries |
| 103 | || (top->print_entries+4) > top->winsize.ws_row) { |
| 104 | top->print_entries = top->winsize.ws_row; |
| 105 | } else { |
| 106 | top->print_entries += 4; |
| 107 | top->winsize.ws_row = top->print_entries; |
| 108 | } |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 109 | perf_top__update_print_entries(top); |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 110 | } |
| 111 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 112 | 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] | 113 | { |
| 114 | struct symbol *sym; |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 115 | struct annotation *notes; |
Arnaldo Carvalho de Melo | 439d473 | 2009-10-02 03:29:58 -0300 | [diff] [blame] | 116 | struct map *map; |
Arnaldo Carvalho de Melo | 3653246 | 2011-02-06 14:54:44 -0200 | [diff] [blame] | 117 | int err = -1; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 118 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 119 | if (!he || !he->ms.sym) |
Arnaldo Carvalho de Melo | b0a9ab6 | 2010-03-15 11:46:58 -0300 | [diff] [blame] | 120 | return -1; |
| 121 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 122 | sym = he->ms.sym; |
| 123 | map = he->ms.map; |
Arnaldo Carvalho de Melo | b0a9ab6 | 2010-03-15 11:46:58 -0300 | [diff] [blame] | 124 | |
| 125 | /* |
| 126 | * We can't annotate with just /proc/kallsyms |
| 127 | */ |
Jiri Olsa | 44f24cb | 2012-07-22 14:14:32 +0200 | [diff] [blame] | 128 | if (map->dso->symtab_type == DSO_BINARY_TYPE__KALLSYMS) { |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 129 | pr_err("Can't annotate %s: No vmlinux file was found in the " |
| 130 | "path\n", sym->name); |
| 131 | sleep(1); |
Arnaldo Carvalho de Melo | b0a9ab6 | 2010-03-15 11:46:58 -0300 | [diff] [blame] | 132 | return -1; |
Arnaldo Carvalho de Melo | b269876 | 2009-11-17 18:38:02 -0200 | [diff] [blame] | 133 | } |
| 134 | |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 135 | notes = symbol__annotation(sym); |
| 136 | if (notes->src != NULL) { |
| 137 | pthread_mutex_lock(¬es->lock); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 138 | goto out_assign; |
| 139 | } |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 140 | |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 141 | pthread_mutex_lock(¬es->lock); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 142 | |
Arnaldo Carvalho de Melo | d04b35f | 2011-11-11 22:17:32 -0200 | [diff] [blame] | 143 | if (symbol__alloc_hist(sym) < 0) { |
Arnaldo Carvalho de Melo | c97cf42 | 2011-02-22 12:02:07 -0300 | [diff] [blame] | 144 | pthread_mutex_unlock(¬es->lock); |
Arnaldo Carvalho de Melo | 3653246 | 2011-02-06 14:54:44 -0200 | [diff] [blame] | 145 | pr_err("Not enough memory for annotating '%s' symbol!\n", |
| 146 | sym->name); |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 147 | sleep(1); |
Arnaldo Carvalho de Melo | c97cf42 | 2011-02-22 12:02:07 -0300 | [diff] [blame] | 148 | return err; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 149 | } |
Arnaldo Carvalho de Melo | 3653246 | 2011-02-06 14:54:44 -0200 | [diff] [blame] | 150 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 151 | err = symbol__annotate(sym, map, 0); |
Arnaldo Carvalho de Melo | 3653246 | 2011-02-06 14:54:44 -0200 | [diff] [blame] | 152 | if (err == 0) { |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 153 | out_assign: |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 154 | top->sym_filter_entry = he; |
Arnaldo Carvalho de Melo | 3653246 | 2011-02-06 14:54:44 -0200 | [diff] [blame] | 155 | } |
Arnaldo Carvalho de Melo | c97cf42 | 2011-02-22 12:02:07 -0300 | [diff] [blame] | 156 | |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 157 | pthread_mutex_unlock(¬es->lock); |
Arnaldo Carvalho de Melo | 3653246 | 2011-02-06 14:54:44 -0200 | [diff] [blame] | 158 | return err; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 159 | } |
| 160 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 161 | static void __zero_source_counters(struct hist_entry *he) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 162 | { |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 163 | struct symbol *sym = he->ms.sym; |
Arnaldo Carvalho de Melo | 3653246 | 2011-02-06 14:54:44 -0200 | [diff] [blame] | 164 | symbol__annotate_zero_histograms(sym); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 165 | } |
| 166 | |
Arnaldo Carvalho de Melo | 31d68e7 | 2012-03-27 12:55:57 -0300 | [diff] [blame] | 167 | static void ui__warn_map_erange(struct map *map, struct symbol *sym, u64 ip) |
| 168 | { |
| 169 | struct utsname uts; |
| 170 | int err = uname(&uts); |
| 171 | |
| 172 | ui__warning("Out of bounds address found:\n\n" |
| 173 | "Addr: %" PRIx64 "\n" |
| 174 | "DSO: %s %c\n" |
| 175 | "Map: %" PRIx64 "-%" PRIx64 "\n" |
| 176 | "Symbol: %" PRIx64 "-%" PRIx64 " %c %s\n" |
| 177 | "Arch: %s\n" |
| 178 | "Kernel: %s\n" |
| 179 | "Tools: %s\n\n" |
| 180 | "Not all samples will be on the annotation output.\n\n" |
| 181 | "Please report to linux-kernel@vger.kernel.org\n", |
| 182 | ip, map->dso->long_name, dso__symtab_origin(map->dso), |
| 183 | map->start, map->end, sym->start, sym->end, |
| 184 | sym->binding == STB_GLOBAL ? 'g' : |
| 185 | sym->binding == STB_LOCAL ? 'l' : 'w', sym->name, |
| 186 | err ? "[unknown]" : uts.machine, |
| 187 | err ? "[unknown]" : uts.release, perf_version_string); |
| 188 | if (use_browser <= 0) |
| 189 | sleep(5); |
| 190 | |
| 191 | map->erange_warned = true; |
| 192 | } |
| 193 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 194 | static void perf_top__record_precise_ip(struct perf_top *top, |
| 195 | struct hist_entry *he, |
| 196 | int counter, u64 ip) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 197 | { |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 198 | struct annotation *notes; |
| 199 | struct symbol *sym; |
Arnaldo Carvalho de Melo | 31d68e7 | 2012-03-27 12:55:57 -0300 | [diff] [blame] | 200 | int err; |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 201 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 202 | if (he == NULL || he->ms.sym == NULL || |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 203 | ((top->sym_filter_entry == NULL || |
| 204 | top->sym_filter_entry->ms.sym != he->ms.sym) && use_browser != 1)) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 205 | return; |
| 206 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 207 | sym = he->ms.sym; |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 208 | notes = symbol__annotation(sym); |
| 209 | |
| 210 | if (pthread_mutex_trylock(¬es->lock)) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 211 | return; |
| 212 | |
Arnaldo Carvalho de Melo | d04b35f | 2011-11-11 22:17:32 -0200 | [diff] [blame] | 213 | if (notes->src == NULL && symbol__alloc_hist(sym) < 0) { |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 214 | pthread_mutex_unlock(¬es->lock); |
| 215 | pr_err("Not enough memory for annotating '%s' symbol!\n", |
| 216 | sym->name); |
| 217 | sleep(1); |
| 218 | return; |
| 219 | } |
| 220 | |
| 221 | ip = he->ms.map->map_ip(he->ms.map, ip); |
Arnaldo Carvalho de Melo | 31d68e7 | 2012-03-27 12:55:57 -0300 | [diff] [blame] | 222 | err = symbol__inc_addr_samples(sym, he->ms.map, counter, ip); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 223 | |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 224 | pthread_mutex_unlock(¬es->lock); |
Arnaldo Carvalho de Melo | 31d68e7 | 2012-03-27 12:55:57 -0300 | [diff] [blame] | 225 | |
| 226 | if (err == -ERANGE && !he->ms.map->erange_warned) |
| 227 | ui__warn_map_erange(he->ms.map, sym, ip); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 228 | } |
| 229 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 230 | static void perf_top__show_details(struct perf_top *top) |
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 | struct hist_entry *he = top->sym_filter_entry; |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 233 | struct annotation *notes; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 234 | struct symbol *symbol; |
Arnaldo Carvalho de Melo | 3653246 | 2011-02-06 14:54:44 -0200 | [diff] [blame] | 235 | int more; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 236 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 237 | if (!he) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 238 | return; |
| 239 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 240 | symbol = he->ms.sym; |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 241 | notes = symbol__annotation(symbol); |
| 242 | |
| 243 | pthread_mutex_lock(¬es->lock); |
| 244 | |
| 245 | if (notes->src == NULL) |
| 246 | goto out_unlock; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 247 | |
Arnaldo Carvalho de Melo | 7289f83 | 2012-06-12 12:34:58 -0300 | [diff] [blame] | 248 | 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] | 249 | printf(" Events Pcnt (>=%d%%)\n", top->sym_pcnt_filter); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 250 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 251 | more = symbol__annotate_printf(symbol, he->ms.map, top->sym_evsel->idx, |
| 252 | 0, top->sym_pcnt_filter, top->print_entries, 4); |
| 253 | if (top->zero) |
| 254 | symbol__annotate_zero_histogram(symbol, top->sym_evsel->idx); |
Arnaldo Carvalho de Melo | 3653246 | 2011-02-06 14:54:44 -0200 | [diff] [blame] | 255 | else |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 256 | symbol__annotate_decay_histogram(symbol, top->sym_evsel->idx); |
Arnaldo Carvalho de Melo | 3653246 | 2011-02-06 14:54:44 -0200 | [diff] [blame] | 257 | if (more != 0) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 258 | 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] | 259 | out_unlock: |
| 260 | pthread_mutex_unlock(¬es->lock); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 261 | } |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 262 | |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 263 | static const char CONSOLE_CLEAR[] = "[H[2J"; |
| 264 | |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 265 | static struct hist_entry *perf_evsel__add_hist_entry(struct perf_evsel *evsel, |
| 266 | struct addr_location *al, |
| 267 | struct perf_sample *sample) |
Arnaldo Carvalho de Melo | de04687 | 2009-05-28 14:55:41 -0300 | [diff] [blame] | 268 | { |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 269 | struct hist_entry *he; |
| 270 | |
| 271 | he = __hists__add_entry(&evsel->hists, al, NULL, sample->period); |
| 272 | if (he == NULL) |
| 273 | return NULL; |
| 274 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 275 | hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE); |
| 276 | return he; |
Arnaldo Carvalho de Melo | de04687 | 2009-05-28 14:55:41 -0300 | [diff] [blame] | 277 | } |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 278 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 279 | static void perf_top__print_sym_table(struct perf_top *top) |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 280 | { |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 281 | char bf[160]; |
| 282 | int printed = 0; |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 283 | const int win_width = top->winsize.ws_col - 1; |
Mike Galbraith | d94b943 | 2009-05-25 09:57:56 +0200 | [diff] [blame] | 284 | |
Frederic Weisbecker | 0f5486b | 2009-06-04 20:48:04 +0200 | [diff] [blame] | 285 | puts(CONSOLE_CLEAR); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 286 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 287 | perf_top__header_snprintf(top, bf, sizeof(bf)); |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 288 | printf("%s\n", bf); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 289 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 290 | perf_top__reset_sample_counters(top); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 291 | |
Arnaldo Carvalho de Melo | 1a105f7 | 2009-11-17 15:40:55 -0200 | [diff] [blame] | 292 | printf("%-*.*s\n", win_width, win_width, graph_dotted_line); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 293 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 294 | if (top->sym_evsel->hists.stats.nr_lost_warned != |
| 295 | top->sym_evsel->hists.stats.nr_events[PERF_RECORD_LOST]) { |
| 296 | top->sym_evsel->hists.stats.nr_lost_warned = |
| 297 | top->sym_evsel->hists.stats.nr_events[PERF_RECORD_LOST]; |
Arnaldo Carvalho de Melo | 7b27509 | 2011-10-29 12:15:04 -0200 | [diff] [blame] | 298 | color_fprintf(stdout, PERF_COLOR_RED, |
| 299 | "WARNING: LOST %d chunks, Check IO/CPU overload", |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 300 | top->sym_evsel->hists.stats.nr_lost_warned); |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 301 | ++printed; |
Arnaldo Carvalho de Melo | 93fc64f | 2011-01-29 12:08:00 -0200 | [diff] [blame] | 302 | } |
| 303 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 304 | if (top->sym_filter_entry) { |
| 305 | perf_top__show_details(top); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 306 | return; |
| 307 | } |
| 308 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 309 | hists__collapse_resort_threaded(&top->sym_evsel->hists); |
| 310 | hists__output_resort_threaded(&top->sym_evsel->hists); |
| 311 | hists__decay_entries_threaded(&top->sym_evsel->hists, |
| 312 | top->hide_user_symbols, |
| 313 | top->hide_kernel_symbols); |
| 314 | hists__output_recalc_col_len(&top->sym_evsel->hists, |
| 315 | top->winsize.ws_row - 3); |
Arnaldo Carvalho de Melo | 7cc017e | 2009-11-24 12:05:14 -0200 | [diff] [blame] | 316 | putchar('\n'); |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 317 | hists__fprintf(&top->sym_evsel->hists, NULL, false, false, |
| 318 | top->winsize.ws_row - 4 - printed, win_width, stdout); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 319 | } |
| 320 | |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 321 | static void prompt_integer(int *target, const char *msg) |
| 322 | { |
| 323 | char *buf = malloc(0), *p; |
| 324 | size_t dummy = 0; |
| 325 | int tmp; |
| 326 | |
| 327 | fprintf(stdout, "\n%s: ", msg); |
| 328 | if (getline(&buf, &dummy, stdin) < 0) |
| 329 | return; |
| 330 | |
| 331 | p = strchr(buf, '\n'); |
| 332 | if (p) |
| 333 | *p = 0; |
| 334 | |
| 335 | p = buf; |
| 336 | while(*p) { |
| 337 | if (!isdigit(*p)) |
| 338 | goto out_free; |
| 339 | p++; |
| 340 | } |
| 341 | tmp = strtoul(buf, NULL, 10); |
| 342 | *target = tmp; |
| 343 | out_free: |
| 344 | free(buf); |
| 345 | } |
| 346 | |
| 347 | static void prompt_percent(int *target, const char *msg) |
| 348 | { |
| 349 | int tmp = 0; |
| 350 | |
| 351 | prompt_integer(&tmp, msg); |
| 352 | if (tmp >= 0 && tmp <= 100) |
| 353 | *target = tmp; |
| 354 | } |
| 355 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 356 | 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] | 357 | { |
| 358 | char *buf = malloc(0), *p; |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 359 | 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] | 360 | struct rb_node *next; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 361 | size_t dummy = 0; |
| 362 | |
| 363 | /* zero counters of active symbol */ |
| 364 | if (syme) { |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 365 | __zero_source_counters(syme); |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 366 | top->sym_filter_entry = NULL; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 367 | } |
| 368 | |
| 369 | fprintf(stdout, "\n%s: ", msg); |
| 370 | if (getline(&buf, &dummy, stdin) < 0) |
| 371 | goto out_free; |
| 372 | |
| 373 | p = strchr(buf, '\n'); |
| 374 | if (p) |
| 375 | *p = 0; |
| 376 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 377 | next = rb_first(&top->sym_evsel->hists.entries); |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 378 | while (next) { |
| 379 | n = rb_entry(next, struct hist_entry, rb_node); |
| 380 | if (n->ms.sym && !strcmp(buf, n->ms.sym->name)) { |
| 381 | found = n; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 382 | break; |
| 383 | } |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 384 | next = rb_next(&n->rb_node); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 385 | } |
| 386 | |
| 387 | if (!found) { |
Kirill Smelkov | 66aeb6d | 2010-01-13 13:22:19 -0200 | [diff] [blame] | 388 | fprintf(stderr, "Sorry, %s is not active.\n", buf); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 389 | sleep(1); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 390 | } else |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 391 | perf_top__parse_source(top, found); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 392 | |
| 393 | out_free: |
| 394 | free(buf); |
| 395 | } |
| 396 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 397 | static void perf_top__print_mapped_keys(struct perf_top *top) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 398 | { |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 399 | char *name = NULL; |
| 400 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 401 | if (top->sym_filter_entry) { |
| 402 | struct symbol *sym = top->sym_filter_entry->ms.sym; |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 403 | name = sym->name; |
| 404 | } |
| 405 | |
| 406 | fprintf(stdout, "\nMapped keys:\n"); |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 407 | fprintf(stdout, "\t[d] display refresh delay. \t(%d)\n", top->delay_secs); |
| 408 | 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] | 409 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 410 | if (top->evlist->nr_entries > 1) |
Arnaldo Carvalho de Melo | 7289f83 | 2012-06-12 12:34:58 -0300 | [diff] [blame] | 411 | 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] | 412 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 413 | 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] | 414 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 415 | 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] | 416 | fprintf(stdout, "\t[s] annotate symbol. \t(%s)\n", name?: "NULL"); |
| 417 | fprintf(stdout, "\t[S] stop annotation.\n"); |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 418 | |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 419 | fprintf(stdout, |
Kirill Smelkov | 1a72cfa | 2010-02-12 19:20:59 +0300 | [diff] [blame] | 420 | "\t[K] hide kernel_symbols symbols. \t(%s)\n", |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 421 | top->hide_kernel_symbols ? "yes" : "no"); |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 422 | fprintf(stdout, |
| 423 | "\t[U] hide user symbols. \t(%s)\n", |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 424 | top->hide_user_symbols ? "yes" : "no"); |
| 425 | 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] | 426 | fprintf(stdout, "\t[qQ] quit.\n"); |
| 427 | } |
| 428 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 429 | static int perf_top__key_mapped(struct perf_top *top, int c) |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 430 | { |
| 431 | switch (c) { |
| 432 | case 'd': |
| 433 | case 'e': |
| 434 | case 'f': |
| 435 | case 'z': |
| 436 | case 'q': |
| 437 | case 'Q': |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 438 | case 'K': |
| 439 | case 'U': |
Kirill Smelkov | 6cff0e8 | 2010-02-03 16:52:08 -0200 | [diff] [blame] | 440 | case 'F': |
| 441 | case 's': |
| 442 | case 'S': |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 443 | return 1; |
| 444 | case 'E': |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 445 | return top->evlist->nr_entries > 1 ? 1 : 0; |
Ingo Molnar | 83a0944 | 2009-08-15 12:26:57 +0200 | [diff] [blame] | 446 | default: |
| 447 | break; |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 448 | } |
| 449 | |
| 450 | return 0; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 451 | } |
| 452 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 453 | static void perf_top__handle_keypress(struct perf_top *top, int c) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 454 | { |
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 | struct pollfd stdin_poll = { .fd = 0, .events = POLLIN }; |
| 457 | struct termios tc, save; |
| 458 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 459 | perf_top__print_mapped_keys(top); |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 460 | fprintf(stdout, "\nEnter selection, or unmapped key to continue: "); |
| 461 | fflush(stdout); |
| 462 | |
| 463 | tcgetattr(0, &save); |
| 464 | tc = save; |
| 465 | tc.c_lflag &= ~(ICANON | ECHO); |
| 466 | tc.c_cc[VMIN] = 0; |
| 467 | tc.c_cc[VTIME] = 0; |
| 468 | tcsetattr(0, TCSANOW, &tc); |
| 469 | |
| 470 | poll(&stdin_poll, 1, -1); |
| 471 | c = getc(stdin); |
| 472 | |
| 473 | tcsetattr(0, TCSAFLUSH, &save); |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 474 | if (!perf_top__key_mapped(top, c)) |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 475 | return; |
| 476 | } |
| 477 | |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 478 | switch (c) { |
| 479 | case 'd': |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 480 | prompt_integer(&top->delay_secs, "Enter display delay"); |
| 481 | if (top->delay_secs < 1) |
| 482 | top->delay_secs = 1; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 483 | break; |
| 484 | case 'e': |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 485 | prompt_integer(&top->print_entries, "Enter display entries (lines)"); |
| 486 | if (top->print_entries == 0) { |
| 487 | struct sigaction act = { |
| 488 | .sa_sigaction = perf_top__sig_winch, |
| 489 | .sa_flags = SA_SIGINFO, |
| 490 | }; |
| 491 | perf_top__sig_winch(SIGWINCH, NULL, top); |
| 492 | sigaction(SIGWINCH, &act, NULL); |
Stephane Eranian | 509605d | 2012-01-30 11:50:37 +0100 | [diff] [blame] | 493 | } else { |
| 494 | perf_top__sig_winch(SIGWINCH, NULL, top); |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 495 | signal(SIGWINCH, SIG_DFL); |
Stephane Eranian | 509605d | 2012-01-30 11:50:37 +0100 | [diff] [blame] | 496 | } |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 497 | break; |
| 498 | case 'E': |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 499 | if (top->evlist->nr_entries > 1) { |
Akihiro Nagai | ce2d17c | 2011-03-23 16:29:39 +0900 | [diff] [blame] | 500 | /* Select 0 as the default event: */ |
| 501 | int counter = 0; |
| 502 | |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 503 | fprintf(stderr, "\nAvailable events:"); |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 504 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 505 | 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] | 506 | 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] | 507 | |
Arnaldo Carvalho de Melo | ec52d97 | 2011-03-11 10:11:48 -0300 | [diff] [blame] | 508 | prompt_integer(&counter, "Enter details event counter"); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 509 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 510 | if (counter >= top->evlist->nr_entries) { |
| 511 | top->sym_evsel = list_entry(top->evlist->entries.next, struct perf_evsel, node); |
Arnaldo Carvalho de Melo | 7289f83 | 2012-06-12 12:34:58 -0300 | [diff] [blame] | 512 | 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] | 513 | sleep(1); |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 514 | break; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 515 | } |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 516 | list_for_each_entry(top->sym_evsel, &top->evlist->entries, node) |
| 517 | if (top->sym_evsel->idx == counter) |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 518 | break; |
Arnaldo Carvalho de Melo | ec52d97 | 2011-03-11 10:11:48 -0300 | [diff] [blame] | 519 | } else |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 520 | top->sym_evsel = list_entry(top->evlist->entries.next, struct perf_evsel, node); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 521 | break; |
| 522 | case 'f': |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 523 | prompt_integer(&top->count_filter, "Enter display event count filter"); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 524 | break; |
| 525 | case 'F': |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 526 | prompt_percent(&top->sym_pcnt_filter, |
| 527 | "Enter details display event filter (percent)"); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 528 | break; |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 529 | case 'K': |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 530 | top->hide_kernel_symbols = !top->hide_kernel_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 'q': |
| 533 | case 'Q': |
| 534 | printf("exiting.\n"); |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 535 | if (top->dump_symtab) |
| 536 | perf_session__fprintf_dsos(top->session, stderr); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 537 | exit(0); |
| 538 | case 's': |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 539 | perf_top__prompt_symbol(top, "Enter details symbol"); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 540 | break; |
| 541 | case 'S': |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 542 | if (!top->sym_filter_entry) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 543 | break; |
| 544 | else { |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 545 | struct hist_entry *syme = top->sym_filter_entry; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 546 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 547 | top->sym_filter_entry = NULL; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 548 | __zero_source_counters(syme); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 549 | } |
| 550 | break; |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 551 | case 'U': |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 552 | top->hide_user_symbols = !top->hide_user_symbols; |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 553 | break; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 554 | case 'z': |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 555 | top->zero = !top->zero; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 556 | break; |
Ingo Molnar | 83a0944 | 2009-08-15 12:26:57 +0200 | [diff] [blame] | 557 | default: |
| 558 | break; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 559 | } |
| 560 | } |
| 561 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 562 | static void perf_top__sort_new_samples(void *arg) |
| 563 | { |
| 564 | struct perf_top *t = arg; |
| 565 | perf_top__reset_sample_counters(t); |
| 566 | |
| 567 | if (t->evlist->selected != NULL) |
| 568 | t->sym_evsel = t->evlist->selected; |
| 569 | |
| 570 | hists__collapse_resort_threaded(&t->sym_evsel->hists); |
| 571 | hists__output_resort_threaded(&t->sym_evsel->hists); |
Arnaldo Carvalho de Melo | b079d4e | 2011-10-17 09:05:04 -0200 | [diff] [blame] | 572 | hists__decay_entries_threaded(&t->sym_evsel->hists, |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 573 | t->hide_user_symbols, |
| 574 | t->hide_kernel_symbols); |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 575 | } |
| 576 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 577 | static void *display_thread_tui(void *arg) |
Arnaldo Carvalho de Melo | c0443df | 2011-01-31 18:19:33 -0200 | [diff] [blame] | 578 | { |
Arnaldo Carvalho de Melo | 0d37aa3 | 2012-01-19 14:08:15 -0200 | [diff] [blame] | 579 | struct perf_evsel *pos; |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 580 | struct perf_top *top = arg; |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 581 | const char *help = "For a higher level overview, try: perf top --sort comm,dso"; |
| 582 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 583 | perf_top__sort_new_samples(top); |
Arnaldo Carvalho de Melo | 0d37aa3 | 2012-01-19 14:08:15 -0200 | [diff] [blame] | 584 | |
| 585 | /* |
| 586 | * Initialize the uid_filter_str, in the future the TUI will allow |
| 587 | * Zooming in/out UIDs. For now juse use whatever the user passed |
| 588 | * via --uid. |
| 589 | */ |
| 590 | list_for_each_entry(pos, &top->evlist->entries, node) |
Namhyung Kim | fe9d18a | 2012-04-26 14:15:17 +0900 | [diff] [blame] | 591 | pos->hists.uid_filter_str = top->target.uid_str; |
Arnaldo Carvalho de Melo | 0d37aa3 | 2012-01-19 14:08:15 -0200 | [diff] [blame] | 592 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 593 | perf_evlist__tui_browse_hists(top->evlist, help, |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 594 | perf_top__sort_new_samples, |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 595 | top, top->delay_secs); |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 596 | |
Arnaldo Carvalho de Melo | c0443df | 2011-01-31 18:19:33 -0200 | [diff] [blame] | 597 | exit_browser(0); |
| 598 | exit(0); |
| 599 | return NULL; |
| 600 | } |
| 601 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 602 | static void *display_thread(void *arg) |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 603 | { |
Frederic Weisbecker | 0f5486b | 2009-06-04 20:48:04 +0200 | [diff] [blame] | 604 | struct pollfd stdin_poll = { .fd = 0, .events = POLLIN }; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 605 | struct termios tc, save; |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 606 | struct perf_top *top = arg; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 607 | int delay_msecs, c; |
Frederic Weisbecker | 0f5486b | 2009-06-04 20:48:04 +0200 | [diff] [blame] | 608 | |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 609 | tcgetattr(0, &save); |
| 610 | tc = save; |
| 611 | tc.c_lflag &= ~(ICANON | ECHO); |
| 612 | tc.c_cc[VMIN] = 0; |
| 613 | tc.c_cc[VTIME] = 0; |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 614 | |
Arnaldo Carvalho de Melo | 3af6e33 | 2011-10-13 08:52:46 -0300 | [diff] [blame] | 615 | pthread__unblock_sigwinch(); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 616 | repeat: |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 617 | delay_msecs = top->delay_secs * 1000; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 618 | tcsetattr(0, TCSANOW, &tc); |
| 619 | /* trash return*/ |
| 620 | getc(stdin); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 621 | |
Arnaldo Carvalho de Melo | 3af6e33 | 2011-10-13 08:52:46 -0300 | [diff] [blame] | 622 | while (1) { |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 623 | perf_top__print_sym_table(top); |
Arnaldo Carvalho de Melo | 3af6e33 | 2011-10-13 08:52:46 -0300 | [diff] [blame] | 624 | /* |
| 625 | * Either timeout expired or we got an EINTR due to SIGWINCH, |
| 626 | * refresh screen in both cases. |
| 627 | */ |
| 628 | switch (poll(&stdin_poll, 1, delay_msecs)) { |
| 629 | case 0: |
| 630 | continue; |
| 631 | case -1: |
| 632 | if (errno == EINTR) |
| 633 | continue; |
| 634 | /* Fall trhu */ |
| 635 | default: |
| 636 | goto process_hotkey; |
| 637 | } |
| 638 | } |
| 639 | process_hotkey: |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 640 | c = getc(stdin); |
| 641 | tcsetattr(0, TCSAFLUSH, &save); |
| 642 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 643 | perf_top__handle_keypress(top, c); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 644 | goto repeat; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 645 | |
| 646 | return NULL; |
| 647 | } |
| 648 | |
Anton Blanchard | 2ab5208 | 2009-07-01 09:00:46 +1000 | [diff] [blame] | 649 | /* Tag samples to be skipped. */ |
Ingo Molnar | f37a291 | 2009-07-01 12:37:06 +0200 | [diff] [blame] | 650 | static const char *skip_symbols[] = { |
Arnaldo Carvalho de Melo | 4bea8b5 | 2012-04-02 11:16:24 -0300 | [diff] [blame] | 651 | "intel_idle", |
Anton Blanchard | 2ab5208 | 2009-07-01 09:00:46 +1000 | [diff] [blame] | 652 | "default_idle", |
Arnaldo Carvalho de Melo | b0e8572 | 2011-01-16 17:39:15 -0200 | [diff] [blame] | 653 | "native_safe_halt", |
Anton Blanchard | 2ab5208 | 2009-07-01 09:00:46 +1000 | [diff] [blame] | 654 | "cpu_idle", |
| 655 | "enter_idle", |
| 656 | "exit_idle", |
| 657 | "mwait_idle", |
Arnaldo Carvalho de Melo | 59b9005 | 2009-07-26 19:06:19 -0300 | [diff] [blame] | 658 | "mwait_idle_with_hints", |
Arnaldo Carvalho de Melo | 8357275 | 2009-09-25 15:02:39 -0700 | [diff] [blame] | 659 | "poll_idle", |
Anton Blanchard | 3a3393e | 2009-07-01 09:00:47 +1000 | [diff] [blame] | 660 | "ppc64_runlatch_off", |
| 661 | "pseries_dedicated_idle_sleep", |
Anton Blanchard | 2ab5208 | 2009-07-01 09:00:46 +1000 | [diff] [blame] | 662 | NULL |
| 663 | }; |
| 664 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 665 | static int symbol_filter(struct map *map __used, struct symbol *sym) |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 666 | { |
Arnaldo Carvalho de Melo | de04687 | 2009-05-28 14:55:41 -0300 | [diff] [blame] | 667 | const char *name = sym->name; |
Anton Blanchard | 2ab5208 | 2009-07-01 09:00:46 +1000 | [diff] [blame] | 668 | int i; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 669 | |
Anton Blanchard | 3a3393e | 2009-07-01 09:00:47 +1000 | [diff] [blame] | 670 | /* |
| 671 | * ppc64 uses function descriptors and appends a '.' to the |
| 672 | * start of every instruction address. Remove it. |
| 673 | */ |
| 674 | if (name[0] == '.') |
| 675 | name++; |
| 676 | |
Arnaldo Carvalho de Melo | de04687 | 2009-05-28 14:55:41 -0300 | [diff] [blame] | 677 | if (!strcmp(name, "_text") || |
| 678 | !strcmp(name, "_etext") || |
| 679 | !strcmp(name, "_sinittext") || |
| 680 | !strncmp("init_module", name, 11) || |
| 681 | !strncmp("cleanup_module", name, 14) || |
| 682 | strstr(name, "_text_start") || |
| 683 | strstr(name, "_text_end")) |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 684 | return 1; |
| 685 | |
Anton Blanchard | 2ab5208 | 2009-07-01 09:00:46 +1000 | [diff] [blame] | 686 | for (i = 0; skip_symbols[i]; i++) { |
| 687 | if (!strcmp(skip_symbols[i], name)) { |
Arnaldo Carvalho de Melo | 171b3be | 2011-03-11 13:36:01 -0300 | [diff] [blame] | 688 | sym->ignore = true; |
Anton Blanchard | 2ab5208 | 2009-07-01 09:00:46 +1000 | [diff] [blame] | 689 | break; |
| 690 | } |
| 691 | } |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 692 | |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 693 | return 0; |
| 694 | } |
| 695 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 696 | static void perf_event__process_sample(struct perf_tool *tool, |
| 697 | const union perf_event *event, |
Arnaldo Carvalho de Melo | 7b27509 | 2011-10-29 12:15:04 -0200 | [diff] [blame] | 698 | struct perf_evsel *evsel, |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 699 | struct perf_sample *sample, |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 700 | struct machine *machine) |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 701 | { |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 702 | 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] | 703 | struct symbol *parent = NULL; |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 704 | u64 ip = event->ip.ip; |
Arnaldo Carvalho de Melo | 1ed091c | 2009-11-27 16:29:23 -0200 | [diff] [blame] | 705 | struct addr_location al; |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 706 | int err; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 707 | |
Arnaldo Carvalho de Melo | 23346f2 | 2010-04-27 21:17:50 -0300 | [diff] [blame] | 708 | if (!machine && perf_guest) { |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 709 | pr_err("Can't find guest [%d]'s kernel information\n", |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 710 | event->ip.pid); |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 711 | return; |
| 712 | } |
| 713 | |
Joerg Roedel | 0c09571 | 2012-02-10 18:05:04 +0100 | [diff] [blame] | 714 | if (!machine) { |
| 715 | pr_err("%u unprocessable samples recorded.", |
| 716 | top->session->hists.stats.nr_unprocessable_samples++); |
| 717 | return; |
| 718 | } |
| 719 | |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 720 | if (event->header.misc & PERF_RECORD_MISC_EXACT_IP) |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 721 | top->exact_samples++; |
Peter Zijlstra | 1676b8a | 2010-03-04 14:19:36 +0100 | [diff] [blame] | 722 | |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 723 | if (perf_event__preprocess_sample(event, machine, &al, sample, |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 724 | symbol_filter) < 0 || |
Arnaldo Carvalho de Melo | 72b8fa1 | 2010-01-27 21:05:49 -0200 | [diff] [blame] | 725 | al.filtered) |
Arnaldo Carvalho de Melo | 1ed091c | 2009-11-27 16:29:23 -0200 | [diff] [blame] | 726 | return; |
Arnaldo Carvalho de Melo | 5b2bb75 | 2009-10-26 19:23:19 -0200 | [diff] [blame] | 727 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 728 | if (!top->kptr_restrict_warned && |
Arnaldo Carvalho de Melo | 5f6f558 | 2011-05-27 11:53:28 -0300 | [diff] [blame] | 729 | symbol_conf.kptr_restrict && |
| 730 | al.cpumode == PERF_RECORD_MISC_KERNEL) { |
| 731 | ui__warning( |
| 732 | "Kernel address maps (/proc/{kallsyms,modules}) are restricted.\n\n" |
| 733 | "Check /proc/sys/kernel/kptr_restrict.\n\n" |
| 734 | "Kernel%s samples will not be resolved.\n", |
| 735 | !RB_EMPTY_ROOT(&al.map->dso->symbols[MAP__FUNCTION]) ? |
| 736 | " modules" : ""); |
| 737 | if (use_browser <= 0) |
| 738 | sleep(5); |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 739 | top->kptr_restrict_warned = true; |
Arnaldo Carvalho de Melo | 5f6f558 | 2011-05-27 11:53:28 -0300 | [diff] [blame] | 740 | } |
| 741 | |
Arnaldo Carvalho de Melo | 72b8fa1 | 2010-01-27 21:05:49 -0200 | [diff] [blame] | 742 | if (al.sym == NULL) { |
Arnaldo Carvalho de Melo | e4a338d | 2011-05-27 13:42:16 -0300 | [diff] [blame] | 743 | const char *msg = "Kernel samples will not be resolved.\n"; |
Arnaldo Carvalho de Melo | 72b8fa1 | 2010-01-27 21:05:49 -0200 | [diff] [blame] | 744 | /* |
| 745 | * As we do lazy loading of symtabs we only will know if the |
| 746 | * specified vmlinux file is invalid when we actually have a |
| 747 | * hit in kernel space and then try to load it. So if we get |
| 748 | * here and there are _no_ symbols in the DSO backing the |
| 749 | * kernel map, bail out. |
| 750 | * |
| 751 | * We may never get here, for instance, if we use -K/ |
| 752 | * --hide-kernel-symbols, even if the user specifies an |
| 753 | * invalid --vmlinux ;-) |
| 754 | */ |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 755 | if (!top->kptr_restrict_warned && !top->vmlinux_warned && |
Arnaldo Carvalho de Melo | e4a338d | 2011-05-27 13:42:16 -0300 | [diff] [blame] | 756 | al.map == machine->vmlinux_maps[MAP__FUNCTION] && |
Arnaldo Carvalho de Melo | 72b8fa1 | 2010-01-27 21:05:49 -0200 | [diff] [blame] | 757 | RB_EMPTY_ROOT(&al.map->dso->symbols[MAP__FUNCTION])) { |
Arnaldo Carvalho de Melo | e4a338d | 2011-05-27 13:42:16 -0300 | [diff] [blame] | 758 | if (symbol_conf.vmlinux_name) { |
| 759 | ui__warning("The %s file can't be used.\n%s", |
| 760 | symbol_conf.vmlinux_name, msg); |
| 761 | } else { |
| 762 | ui__warning("A vmlinux file was not found.\n%s", |
| 763 | msg); |
| 764 | } |
| 765 | |
| 766 | if (use_browser <= 0) |
| 767 | sleep(5); |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 768 | top->vmlinux_warned = true; |
Arnaldo Carvalho de Melo | 72b8fa1 | 2010-01-27 21:05:49 -0200 | [diff] [blame] | 769 | } |
Arnaldo Carvalho de Melo | 72b8fa1 | 2010-01-27 21:05:49 -0200 | [diff] [blame] | 770 | } |
| 771 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 772 | if (al.sym == NULL || !al.sym->ignore) { |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 773 | struct hist_entry *he; |
Arnaldo Carvalho de Melo | 70db753 | 2011-01-12 22:39:13 -0200 | [diff] [blame] | 774 | |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 775 | if ((sort__has_parent || symbol_conf.use_callchain) && |
| 776 | sample->callchain) { |
Jiri Olsa | a9c34a9 | 2012-06-11 15:20:03 +0200 | [diff] [blame] | 777 | err = machine__resolve_callchain(machine, al.thread, |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 778 | sample->callchain, &parent); |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 779 | if (err) |
| 780 | return; |
| 781 | } |
| 782 | |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 783 | he = perf_evsel__add_hist_entry(evsel, &al, sample); |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 784 | if (he == NULL) { |
| 785 | pr_err("Problem incrementing symbol period, skipping event\n"); |
| 786 | return; |
Arnaldo Carvalho de Melo | 5807806 | 2011-03-01 10:43:03 -0300 | [diff] [blame] | 787 | } |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 788 | |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 789 | if (symbol_conf.use_callchain) { |
Namhyung Kim | 4726064 | 2012-05-31 14:43:26 +0900 | [diff] [blame] | 790 | err = callchain_append(he->callchain, &callchain_cursor, |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 791 | sample->period); |
| 792 | if (err) |
| 793 | return; |
| 794 | } |
| 795 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 796 | if (top->sort_has_symbols) |
| 797 | perf_top__record_precise_ip(top, he, evsel->idx, ip); |
Arnaldo Carvalho de Melo | 5b2bb75 | 2009-10-26 19:23:19 -0200 | [diff] [blame] | 798 | } |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 799 | |
| 800 | return; |
Arnaldo Carvalho de Melo | 5b2bb75 | 2009-10-26 19:23:19 -0200 | [diff] [blame] | 801 | } |
| 802 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 803 | 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] | 804 | { |
Arnaldo Carvalho de Melo | 8d50e5b | 2011-01-29 13:02:00 -0200 | [diff] [blame] | 805 | struct perf_sample sample; |
Arnaldo Carvalho de Melo | 7b27509 | 2011-10-29 12:15:04 -0200 | [diff] [blame] | 806 | struct perf_evsel *evsel; |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 807 | struct perf_session *session = top->session; |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 808 | union perf_event *event; |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 809 | struct machine *machine; |
| 810 | u8 origin; |
Frederic Weisbecker | 5538bec | 2011-05-22 02:17:22 +0200 | [diff] [blame] | 811 | int ret; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 812 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 813 | while ((event = perf_evlist__mmap_read(top->evlist, idx)) != NULL) { |
Arnaldo Carvalho de Melo | cb0b29e | 2012-08-02 11:42:57 -0300 | [diff] [blame] | 814 | ret = perf_evlist__parse_sample(top->evlist, event, &sample, false); |
Frederic Weisbecker | 5538bec | 2011-05-22 02:17:22 +0200 | [diff] [blame] | 815 | if (ret) { |
| 816 | pr_err("Can't parse sample, err = %d\n", ret); |
| 817 | continue; |
| 818 | } |
Arnaldo Carvalho de Melo | 04391de | 2011-01-15 10:40:59 -0200 | [diff] [blame] | 819 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 820 | evsel = perf_evlist__id2evsel(session->evlist, sample.id); |
Arnaldo Carvalho de Melo | 7b27509 | 2011-10-29 12:15:04 -0200 | [diff] [blame] | 821 | assert(evsel != NULL); |
| 822 | |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 823 | origin = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK; |
| 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 | |
| 828 | switch (origin) { |
| 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) |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 832 | continue; |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 833 | machine = perf_session__find_host_machine(session); |
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) |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 838 | continue; |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 839 | machine = perf_session__find_host_machine(session); |
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; |
| 843 | machine = perf_session__find_machine(session, event->ip.pid); |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 844 | break; |
| 845 | case PERF_RECORD_MISC_GUEST_USER: |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 846 | ++top->guest_us_samples; |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 847 | /* |
| 848 | * TODO: we don't process guest user from host side |
| 849 | * except simple counting. |
| 850 | */ |
| 851 | /* Fall thru */ |
| 852 | default: |
| 853 | continue; |
| 854 | } |
| 855 | |
| 856 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 857 | if (event->header.type == PERF_RECORD_SAMPLE) { |
| 858 | perf_event__process_sample(&top->tool, event, evsel, |
| 859 | &sample, machine); |
| 860 | } else if (event->header.type < PERF_RECORD_MAX) { |
Arnaldo Carvalho de Melo | 7b27509 | 2011-10-29 12:15:04 -0200 | [diff] [blame] | 861 | hists__inc_nr_events(&evsel->hists, event->header.type); |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 862 | perf_event__process(&top->tool, event, &sample, machine); |
Arnaldo Carvalho de Melo | 7b27509 | 2011-10-29 12:15:04 -0200 | [diff] [blame] | 863 | } else |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 864 | ++session->hists.stats.nr_unknown_events; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 865 | } |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 866 | } |
| 867 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 868 | static void perf_top__mmap_read(struct perf_top *top) |
Frederic Weisbecker | 2f01190 | 2009-06-06 23:10:43 +0200 | [diff] [blame] | 869 | { |
Arnaldo Carvalho de Melo | 70db753 | 2011-01-12 22:39:13 -0200 | [diff] [blame] | 870 | int i; |
Frederic Weisbecker | 2f01190 | 2009-06-06 23:10:43 +0200 | [diff] [blame] | 871 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 872 | for (i = 0; i < top->evlist->nr_mmaps; i++) |
| 873 | perf_top__mmap_read_idx(top, i); |
Frederic Weisbecker | 2f01190 | 2009-06-06 23:10:43 +0200 | [diff] [blame] | 874 | } |
| 875 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 876 | static void perf_top__start_counters(struct perf_top *top) |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 877 | { |
Arnaldo Carvalho de Melo | 727ab04 | 2011-10-25 10:42:19 -0200 | [diff] [blame] | 878 | struct perf_evsel *counter, *first; |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 879 | struct perf_evlist *evlist = top->evlist; |
Arnaldo Carvalho de Melo | 727ab04 | 2011-10-25 10:42:19 -0200 | [diff] [blame] | 880 | |
| 881 | first = list_entry(evlist->entries.next, struct perf_evsel, node); |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 882 | |
| 883 | list_for_each_entry(counter, &evlist->entries, node) { |
| 884 | struct perf_event_attr *attr = &counter->attr; |
Arnaldo Carvalho de Melo | 727ab04 | 2011-10-25 10:42:19 -0200 | [diff] [blame] | 885 | struct xyarray *group_fd = NULL; |
| 886 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 887 | if (top->group && counter != first) |
Arnaldo Carvalho de Melo | 727ab04 | 2011-10-25 10:42:19 -0200 | [diff] [blame] | 888 | group_fd = first->fd; |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 889 | |
| 890 | attr->sample_type = PERF_SAMPLE_IP | PERF_SAMPLE_TID; |
| 891 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 892 | if (top->freq) { |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 893 | attr->sample_type |= PERF_SAMPLE_PERIOD; |
| 894 | attr->freq = 1; |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 895 | attr->sample_freq = top->freq; |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 896 | } |
| 897 | |
Arnaldo Carvalho de Melo | 70db753 | 2011-01-12 22:39:13 -0200 | [diff] [blame] | 898 | if (evlist->nr_entries > 1) { |
| 899 | attr->sample_type |= PERF_SAMPLE_ID; |
| 900 | attr->read_format |= PERF_FORMAT_ID; |
| 901 | } |
| 902 | |
Namhyung Kim | e40ee74 | 2012-05-21 10:42:07 +0900 | [diff] [blame] | 903 | if (perf_target__has_cpu(&top->target)) |
| 904 | attr->sample_type |= PERF_SAMPLE_CPU; |
| 905 | |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 906 | if (symbol_conf.use_callchain) |
| 907 | attr->sample_type |= PERF_SAMPLE_CALLCHAIN; |
| 908 | |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 909 | attr->mmap = 1; |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 910 | attr->comm = 1; |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 911 | attr->inherit = top->inherit; |
Arnaldo Carvalho de Melo | 0c97812 | 2012-02-14 14:05:30 -0200 | [diff] [blame] | 912 | fallback_missing_features: |
| 913 | if (top->exclude_guest_missing) |
| 914 | attr->exclude_guest = attr->exclude_host = 0; |
Arnaldo Carvalho de Melo | 7b27509 | 2011-10-29 12:15:04 -0200 | [diff] [blame] | 915 | retry_sample_id: |
Arnaldo Carvalho de Melo | 808e122 | 2012-02-14 14:18:57 -0200 | [diff] [blame] | 916 | attr->sample_id_all = top->sample_id_all_missing ? 0 : 1; |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 917 | try_again: |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 918 | if (perf_evsel__open(counter, top->evlist->cpus, |
| 919 | top->evlist->threads, top->group, |
Arnaldo Carvalho de Melo | 727ab04 | 2011-10-25 10:42:19 -0200 | [diff] [blame] | 920 | group_fd) < 0) { |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 921 | int err = errno; |
| 922 | |
Arnaldo Carvalho de Melo | c286c41 | 2011-03-28 09:50:11 -0300 | [diff] [blame] | 923 | if (err == EPERM || err == EACCES) { |
Arnaldo Carvalho de Melo | b8631e6 | 2011-10-26 08:02:55 -0200 | [diff] [blame] | 924 | ui__error_paranoid(); |
Arnaldo Carvalho de Melo | c286c41 | 2011-03-28 09:50:11 -0300 | [diff] [blame] | 925 | goto out_err; |
Arnaldo Carvalho de Melo | 0c97812 | 2012-02-14 14:05:30 -0200 | [diff] [blame] | 926 | } else if (err == EINVAL) { |
| 927 | if (!top->exclude_guest_missing && |
| 928 | (attr->exclude_guest || attr->exclude_host)) { |
| 929 | pr_debug("Old kernel, cannot exclude " |
| 930 | "guest or host samples.\n"); |
| 931 | top->exclude_guest_missing = true; |
| 932 | goto fallback_missing_features; |
Arnaldo Carvalho de Melo | 808e122 | 2012-02-14 14:18:57 -0200 | [diff] [blame] | 933 | } else if (!top->sample_id_all_missing) { |
Arnaldo Carvalho de Melo | 0c97812 | 2012-02-14 14:05:30 -0200 | [diff] [blame] | 934 | /* |
| 935 | * Old kernel, no attr->sample_id_type_all field |
| 936 | */ |
Arnaldo Carvalho de Melo | 808e122 | 2012-02-14 14:18:57 -0200 | [diff] [blame] | 937 | top->sample_id_all_missing = true; |
Arnaldo Carvalho de Melo | 0c97812 | 2012-02-14 14:05:30 -0200 | [diff] [blame] | 938 | goto retry_sample_id; |
| 939 | } |
Arnaldo Carvalho de Melo | c286c41 | 2011-03-28 09:50:11 -0300 | [diff] [blame] | 940 | } |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 941 | /* |
| 942 | * If it's cycles then fall back to hrtimer |
| 943 | * based cpu-clock-tick sw counter, which |
| 944 | * is always available even if no PMU support: |
| 945 | */ |
David Ahern | 1a31fc9 | 2012-07-29 20:53:03 -0600 | [diff] [blame^] | 946 | if ((err == ENOENT || err == ENXIO) && |
| 947 | (attr->type == PERF_TYPE_HARDWARE) && |
| 948 | (attr->config == PERF_COUNT_HW_CPU_CYCLES)) { |
| 949 | |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 950 | if (verbose) |
Arnaldo Carvalho de Melo | c286c41 | 2011-03-28 09:50:11 -0300 | [diff] [blame] | 951 | ui__warning("Cycles event not supported,\n" |
| 952 | "trying to fall back to cpu-clock-ticks\n"); |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 953 | |
| 954 | attr->type = PERF_TYPE_SOFTWARE; |
| 955 | attr->config = PERF_COUNT_SW_CPU_CLOCK; |
David Ahern | 40491ea | 2012-05-08 10:49:49 -0600 | [diff] [blame] | 956 | if (counter->name) { |
| 957 | free(counter->name); |
Arnaldo Carvalho de Melo | 895d976 | 2012-05-25 14:49:51 -0300 | [diff] [blame] | 958 | counter->name = NULL; |
David Ahern | 40491ea | 2012-05-08 10:49:49 -0600 | [diff] [blame] | 959 | } |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 960 | goto try_again; |
| 961 | } |
Arnaldo Carvalho de Melo | c286c41 | 2011-03-28 09:50:11 -0300 | [diff] [blame] | 962 | |
David Ahern | ca6a425 | 2011-03-25 13:11:11 -0600 | [diff] [blame] | 963 | if (err == ENOENT) { |
Namhyung Kim | 3780f48 | 2012-05-29 13:22:57 +0900 | [diff] [blame] | 964 | ui__error("The %s event is not supported.\n", |
Arnaldo Carvalho de Melo | 7289f83 | 2012-06-12 12:34:58 -0300 | [diff] [blame] | 965 | perf_evsel__name(counter)); |
David Ahern | ca6a425 | 2011-03-25 13:11:11 -0600 | [diff] [blame] | 966 | goto out_err; |
Namhyung Kim | cdce445 | 2012-01-08 02:25:27 +0900 | [diff] [blame] | 967 | } else if (err == EMFILE) { |
Namhyung Kim | 3780f48 | 2012-05-29 13:22:57 +0900 | [diff] [blame] | 968 | ui__error("Too many events are opened.\n" |
Namhyung Kim | cdce445 | 2012-01-08 02:25:27 +0900 | [diff] [blame] | 969 | "Try again after reducing the number of events\n"); |
| 970 | goto out_err; |
David Ahern | ca6a425 | 2011-03-25 13:11:11 -0600 | [diff] [blame] | 971 | } |
| 972 | |
Namhyung Kim | 3780f48 | 2012-05-29 13:22:57 +0900 | [diff] [blame] | 973 | ui__error("The sys_perf_event_open() syscall " |
Arnaldo Carvalho de Melo | c286c41 | 2011-03-28 09:50:11 -0300 | [diff] [blame] | 974 | "returned with %d (%s). /bin/dmesg " |
| 975 | "may provide additional information.\n" |
| 976 | "No CONFIG_PERF_EVENTS=y kernel support " |
| 977 | "configured?\n", err, strerror(err)); |
| 978 | goto out_err; |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 979 | } |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 980 | } |
Arnaldo Carvalho de Melo | 70db753 | 2011-01-12 22:39:13 -0200 | [diff] [blame] | 981 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 982 | if (perf_evlist__mmap(evlist, top->mmap_pages, false) < 0) { |
Namhyung Kim | 3780f48 | 2012-05-29 13:22:57 +0900 | [diff] [blame] | 983 | ui__error("Failed to mmap with %d (%s)\n", |
Arnaldo Carvalho de Melo | c286c41 | 2011-03-28 09:50:11 -0300 | [diff] [blame] | 984 | errno, strerror(errno)); |
| 985 | goto out_err; |
| 986 | } |
| 987 | |
| 988 | return; |
| 989 | |
| 990 | out_err: |
| 991 | exit_browser(0); |
| 992 | exit(0); |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 993 | } |
| 994 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 995 | 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] | 996 | { |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 997 | if (!top->sort_has_symbols) { |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 998 | if (symbol_conf.use_callchain) { |
Namhyung Kim | 3780f48 | 2012-05-29 13:22:57 +0900 | [diff] [blame] | 999 | 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] | 1000 | return -EINVAL; |
| 1001 | } |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1002 | } else if (!top->dont_use_callchains && callchain_param.mode != CHAIN_NONE) { |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 1003 | if (callchain_register_param(&callchain_param) < 0) { |
Namhyung Kim | 3780f48 | 2012-05-29 13:22:57 +0900 | [diff] [blame] | 1004 | ui__error("Can't register callchain params.\n"); |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 1005 | return -EINVAL; |
| 1006 | } |
| 1007 | } |
| 1008 | |
| 1009 | return 0; |
| 1010 | } |
| 1011 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1012 | static int __cmd_top(struct perf_top *top) |
Ingo Molnar | 716c69f | 2009-06-07 17:31:52 +0200 | [diff] [blame] | 1013 | { |
| 1014 | pthread_t thread; |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 1015 | int ret; |
Arnaldo Carvalho de Melo | d8f6624 | 2009-12-13 19:50:24 -0200 | [diff] [blame] | 1016 | /* |
Arnaldo Carvalho de Melo | b3165f4 | 2009-12-13 19:50:28 -0200 | [diff] [blame] | 1017 | * FIXME: perf_session__new should allow passing a O_MMAP, so that all this |
| 1018 | * 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] | 1019 | */ |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1020 | top->session = perf_session__new(NULL, O_WRONLY, false, false, NULL); |
| 1021 | if (top->session == NULL) |
Arnaldo Carvalho de Melo | b3165f4 | 2009-12-13 19:50:28 -0200 | [diff] [blame] | 1022 | return -ENOMEM; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 1023 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1024 | ret = perf_top__setup_sample_type(top); |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 1025 | if (ret) |
| 1026 | goto out_delete; |
| 1027 | |
Namhyung Kim | aa22dd4 | 2012-05-16 18:45:47 +0900 | [diff] [blame] | 1028 | if (perf_target__has_task(&top->target)) |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1029 | perf_event__synthesize_thread_map(&top->tool, top->evlist->threads, |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 1030 | perf_event__process, |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1031 | &top->session->host_machine); |
Arnaldo Carvalho de Melo | 5b2bb75 | 2009-10-26 19:23:19 -0200 | [diff] [blame] | 1032 | else |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1033 | perf_event__synthesize_threads(&top->tool, perf_event__process, |
| 1034 | &top->session->host_machine); |
| 1035 | perf_top__start_counters(top); |
| 1036 | top->session->evlist = top->evlist; |
Arnaldo Carvalho de Melo | 7b56cce | 2012-08-01 19:31:00 -0300 | [diff] [blame] | 1037 | perf_session__set_id_hdr_size(top->session); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 1038 | |
Frederic Weisbecker | 2f01190 | 2009-06-06 23:10:43 +0200 | [diff] [blame] | 1039 | /* 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] | 1040 | poll(top->evlist->pollfd, top->evlist->nr_fds, 100); |
Frederic Weisbecker | 2f01190 | 2009-06-06 23:10:43 +0200 | [diff] [blame] | 1041 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1042 | perf_top__mmap_read(top); |
Frederic Weisbecker | 2f01190 | 2009-06-06 23:10:43 +0200 | [diff] [blame] | 1043 | |
Arnaldo Carvalho de Melo | c0443df | 2011-01-31 18:19:33 -0200 | [diff] [blame] | 1044 | 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] | 1045 | display_thread), top)) { |
Namhyung Kim | 3780f48 | 2012-05-29 13:22:57 +0900 | [diff] [blame] | 1046 | ui__error("Could not create display thread.\n"); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 1047 | exit(-1); |
| 1048 | } |
| 1049 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1050 | if (top->realtime_prio) { |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 1051 | struct sched_param param; |
| 1052 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1053 | param.sched_priority = top->realtime_prio; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 1054 | if (sched_setscheduler(0, SCHED_FIFO, ¶m)) { |
Namhyung Kim | 3780f48 | 2012-05-29 13:22:57 +0900 | [diff] [blame] | 1055 | ui__error("Could not set realtime priority.\n"); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 1056 | exit(-1); |
| 1057 | } |
| 1058 | } |
| 1059 | |
| 1060 | while (1) { |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1061 | u64 hits = top->samples; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 1062 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1063 | perf_top__mmap_read(top); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 1064 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1065 | if (hits == top->samples) |
| 1066 | ret = poll(top->evlist->pollfd, top->evlist->nr_fds, 100); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 1067 | } |
| 1068 | |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 1069 | out_delete: |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1070 | perf_session__delete(top->session); |
| 1071 | top->session = NULL; |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 1072 | |
| 1073 | return 0; |
| 1074 | } |
| 1075 | |
| 1076 | static int |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1077 | 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] | 1078 | { |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1079 | struct perf_top *top = (struct perf_top *)opt->value; |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 1080 | char *tok, *tok2; |
| 1081 | char *endptr; |
| 1082 | |
| 1083 | /* |
| 1084 | * --no-call-graph |
| 1085 | */ |
| 1086 | if (unset) { |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1087 | top->dont_use_callchains = true; |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 1088 | return 0; |
| 1089 | } |
| 1090 | |
| 1091 | symbol_conf.use_callchain = true; |
| 1092 | |
| 1093 | if (!arg) |
| 1094 | return 0; |
| 1095 | |
| 1096 | tok = strtok((char *)arg, ","); |
| 1097 | if (!tok) |
| 1098 | return -1; |
| 1099 | |
| 1100 | /* get the output mode */ |
| 1101 | if (!strncmp(tok, "graph", strlen(arg))) |
| 1102 | callchain_param.mode = CHAIN_GRAPH_ABS; |
| 1103 | |
| 1104 | else if (!strncmp(tok, "flat", strlen(arg))) |
| 1105 | callchain_param.mode = CHAIN_FLAT; |
| 1106 | |
| 1107 | else if (!strncmp(tok, "fractal", strlen(arg))) |
| 1108 | callchain_param.mode = CHAIN_GRAPH_REL; |
| 1109 | |
| 1110 | else if (!strncmp(tok, "none", strlen(arg))) { |
| 1111 | callchain_param.mode = CHAIN_NONE; |
| 1112 | symbol_conf.use_callchain = false; |
| 1113 | |
| 1114 | return 0; |
Arnaldo Carvalho de Melo | 806fb63 | 2011-11-29 08:05:52 -0200 | [diff] [blame] | 1115 | } else |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 1116 | return -1; |
| 1117 | |
| 1118 | /* get the min percentage */ |
| 1119 | tok = strtok(NULL, ","); |
| 1120 | if (!tok) |
| 1121 | goto setup; |
| 1122 | |
| 1123 | callchain_param.min_percent = strtod(tok, &endptr); |
| 1124 | if (tok == endptr) |
| 1125 | return -1; |
| 1126 | |
| 1127 | /* get the print limit */ |
| 1128 | tok2 = strtok(NULL, ","); |
| 1129 | if (!tok2) |
| 1130 | goto setup; |
| 1131 | |
| 1132 | if (tok2[0] != 'c') { |
| 1133 | callchain_param.print_limit = strtod(tok2, &endptr); |
| 1134 | tok2 = strtok(NULL, ","); |
| 1135 | if (!tok2) |
| 1136 | goto setup; |
| 1137 | } |
| 1138 | |
| 1139 | /* get the call chain order */ |
| 1140 | if (!strcmp(tok2, "caller")) |
| 1141 | callchain_param.order = ORDER_CALLER; |
| 1142 | else if (!strcmp(tok2, "callee")) |
| 1143 | callchain_param.order = ORDER_CALLEE; |
| 1144 | else |
| 1145 | return -1; |
| 1146 | setup: |
| 1147 | if (callchain_register_param(&callchain_param) < 0) { |
| 1148 | fprintf(stderr, "Can't register callchain params\n"); |
| 1149 | return -1; |
| 1150 | } |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 1151 | return 0; |
| 1152 | } |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1153 | |
| 1154 | static const char * const top_usage[] = { |
| 1155 | "perf top [<options>]", |
| 1156 | NULL |
| 1157 | }; |
| 1158 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1159 | int cmd_top(int argc, const char **argv, const char *prefix __used) |
| 1160 | { |
| 1161 | struct perf_evsel *pos; |
Namhyung Kim | 16ad2ff | 2012-05-07 14:09:02 +0900 | [diff] [blame] | 1162 | int status; |
| 1163 | char errbuf[BUFSIZ]; |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1164 | struct perf_top top = { |
| 1165 | .count_filter = 5, |
| 1166 | .delay_secs = 2, |
Arnaldo Carvalho de Melo | 447a601 | 2012-05-22 13:14:18 -0300 | [diff] [blame] | 1167 | .freq = 4000, /* 4 KHz */ |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1168 | .mmap_pages = 128, |
| 1169 | .sym_pcnt_filter = 5, |
Namhyung Kim | d1cb9fc | 2012-05-16 18:45:49 +0900 | [diff] [blame] | 1170 | .target = { |
| 1171 | .uses_mmap = true, |
| 1172 | }, |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1173 | }; |
| 1174 | char callchain_default_opt[] = "fractal,0.5,callee"; |
| 1175 | const struct option options[] = { |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1176 | OPT_CALLBACK('e', "event", &top.evlist, "event", |
Thomas Gleixner | 86847b6 | 2009-06-06 12:24:17 +0200 | [diff] [blame] | 1177 | "event selector. use 'perf list' to list available events", |
Jiri Olsa | f120f9d | 2011-07-14 11:25:32 +0200 | [diff] [blame] | 1178 | parse_events_option), |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1179 | OPT_INTEGER('c', "count", &top.default_interval, |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1180 | "event period to sample"), |
Namhyung Kim | fe9d18a | 2012-04-26 14:15:17 +0900 | [diff] [blame] | 1181 | OPT_STRING('p', "pid", &top.target.pid, "pid", |
Zhang, Yanmin | d6d901c | 2010-03-18 11:36:05 -0300 | [diff] [blame] | 1182 | "profile events on existing process id"), |
Namhyung Kim | fe9d18a | 2012-04-26 14:15:17 +0900 | [diff] [blame] | 1183 | OPT_STRING('t', "tid", &top.target.tid, "tid", |
Zhang, Yanmin | d6d901c | 2010-03-18 11:36:05 -0300 | [diff] [blame] | 1184 | "profile events on existing thread id"), |
Namhyung Kim | fe9d18a | 2012-04-26 14:15:17 +0900 | [diff] [blame] | 1185 | OPT_BOOLEAN('a', "all-cpus", &top.target.system_wide, |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1186 | "system-wide collection from all CPUs"), |
Namhyung Kim | fe9d18a | 2012-04-26 14:15:17 +0900 | [diff] [blame] | 1187 | OPT_STRING('C', "cpu", &top.target.cpu_list, "cpu", |
Stephane Eranian | c45c6ea | 2010-05-28 12:00:01 +0200 | [diff] [blame] | 1188 | "list of cpus to monitor"), |
Arnaldo Carvalho de Melo | b32d133 | 2009-11-24 12:05:15 -0200 | [diff] [blame] | 1189 | OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, |
| 1190 | "file", "vmlinux pathname"), |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1191 | OPT_BOOLEAN('K', "hide_kernel_symbols", &top.hide_kernel_symbols, |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 1192 | "hide kernel symbols"), |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1193 | OPT_UINTEGER('m', "mmap-pages", &top.mmap_pages, "number of mmap data pages"), |
| 1194 | OPT_INTEGER('r', "realtime", &top.realtime_prio, |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1195 | "collect data with this RT SCHED_FIFO priority"), |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1196 | OPT_INTEGER('d', "delay", &top.delay_secs, |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1197 | "number of seconds to delay between refreshes"), |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1198 | OPT_BOOLEAN('D', "dump-symtab", &top.dump_symtab, |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1199 | "dump the symbol table used for profiling"), |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1200 | OPT_INTEGER('f', "count-filter", &top.count_filter, |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1201 | "only display functions with more events than this"), |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1202 | OPT_BOOLEAN('g', "group", &top.group, |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1203 | "put the counters into a counter group"), |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1204 | OPT_BOOLEAN('i', "inherit", &top.inherit, |
Mike Galbraith | 0fdc7e6 | 2009-07-21 10:30:36 +0200 | [diff] [blame] | 1205 | "child tasks inherit counters"), |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1206 | OPT_STRING(0, "sym-annotate", &top.sym_filter, "symbol name", |
Kirill Smelkov | 6cff0e8 | 2010-02-03 16:52:08 -0200 | [diff] [blame] | 1207 | "symbol to annotate"), |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1208 | OPT_BOOLEAN('z', "zero", &top.zero, |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1209 | "zero history across updates"), |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1210 | OPT_INTEGER('F', "freq", &top.freq, |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1211 | "profile at this frequency"), |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1212 | OPT_INTEGER('E', "entries", &top.print_entries, |
Ingo Molnar | 6e53cdf | 2009-06-04 08:53:05 +0200 | [diff] [blame] | 1213 | "display this many functions"), |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1214 | OPT_BOOLEAN('U', "hide_user_symbols", &top.hide_user_symbols, |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 1215 | "hide user symbols"), |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1216 | OPT_BOOLEAN(0, "tui", &top.use_tui, "Use the TUI interface"), |
| 1217 | OPT_BOOLEAN(0, "stdio", &top.use_stdio, "Use the stdio interface"), |
Ian Munsie | c055564 | 2010-04-13 18:37:33 +1000 | [diff] [blame] | 1218 | OPT_INCR('v', "verbose", &verbose, |
Ingo Molnar | 3da297a | 2009-06-07 17:39:02 +0200 | [diff] [blame] | 1219 | "be more verbose (show counter open errors, etc)"), |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 1220 | OPT_STRING('s', "sort", &sort_order, "key[,key2...]", |
| 1221 | "sort by key(s): pid, comm, dso, symbol, parent"), |
| 1222 | OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples, |
| 1223 | "Show a column with the number of samples"), |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1224 | OPT_CALLBACK_DEFAULT('G', "call-graph", &top, "output_type,min_percent, call_order", |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 1225 | "Display callchains using output_type (graph, flat, fractal, or none), min percent threshold and callchain order. " |
| 1226 | "Default: fractal,0.5,callee", &parse_callchain_opt, |
| 1227 | callchain_default_opt), |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 1228 | OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period, |
| 1229 | "Show a column with the sum of periods"), |
| 1230 | OPT_STRING(0, "dsos", &symbol_conf.dso_list_str, "dso[,dso...]", |
| 1231 | "only consider symbols in these dsos"), |
| 1232 | OPT_STRING(0, "comms", &symbol_conf.comm_list_str, "comm[,comm...]", |
| 1233 | "only consider symbols in these comms"), |
| 1234 | OPT_STRING(0, "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", |
| 1235 | "only consider these symbols"), |
Arnaldo Carvalho de Melo | 64c6f0c | 2011-10-06 12:48:31 -0300 | [diff] [blame] | 1236 | OPT_BOOLEAN(0, "source", &symbol_conf.annotate_src, |
| 1237 | "Interleave source code with assembly code (default)"), |
| 1238 | OPT_BOOLEAN(0, "asm-raw", &symbol_conf.annotate_asm_raw, |
| 1239 | "Display raw encoding of assembly instructions (default)"), |
| 1240 | OPT_STRING('M', "disassembler-style", &disassembler_style, "disassembler style", |
| 1241 | "Specify disassembler style (e.g. -M intel for intel syntax)"), |
Namhyung Kim | fe9d18a | 2012-04-26 14:15:17 +0900 | [diff] [blame] | 1242 | OPT_STRING('u', "uid", &top.target.uid_str, "user", "user to profile"), |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1243 | OPT_END() |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1244 | }; |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1245 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1246 | top.evlist = perf_evlist__new(NULL, NULL); |
| 1247 | if (top.evlist == NULL) |
Arnaldo Carvalho de Melo | 361c99a | 2011-01-11 20:56:53 -0200 | [diff] [blame] | 1248 | return -ENOMEM; |
| 1249 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 1250 | symbol_conf.exclude_other = false; |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1251 | |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1252 | argc = parse_options(argc, argv, options, top_usage, 0); |
| 1253 | if (argc) |
| 1254 | usage_with_options(top_usage, options); |
| 1255 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 1256 | if (sort_order == default_sort_order) |
| 1257 | sort_order = "dso,symbol"; |
| 1258 | |
| 1259 | setup_sorting(top_usage, options); |
| 1260 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1261 | if (top.use_stdio) |
Arnaldo Carvalho de Melo | c0443df | 2011-01-31 18:19:33 -0200 | [diff] [blame] | 1262 | use_browser = 0; |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1263 | else if (top.use_tui) |
Arnaldo Carvalho de Melo | c0443df | 2011-01-31 18:19:33 -0200 | [diff] [blame] | 1264 | use_browser = 1; |
| 1265 | |
| 1266 | setup_browser(false); |
| 1267 | |
Namhyung Kim | 16ad2ff | 2012-05-07 14:09:02 +0900 | [diff] [blame] | 1268 | status = perf_target__validate(&top.target); |
| 1269 | if (status) { |
| 1270 | perf_target__strerror(&top.target, status, errbuf, BUFSIZ); |
| 1271 | ui__warning("%s", errbuf); |
| 1272 | } |
Namhyung Kim | 4bd0f2d | 2012-04-26 14:15:18 +0900 | [diff] [blame] | 1273 | |
Namhyung Kim | 16ad2ff | 2012-05-07 14:09:02 +0900 | [diff] [blame] | 1274 | status = perf_target__parse_uid(&top.target); |
| 1275 | if (status) { |
| 1276 | int saved_errno = errno; |
| 1277 | |
| 1278 | perf_target__strerror(&top.target, status, errbuf, BUFSIZ); |
Namhyung Kim | 3780f48 | 2012-05-29 13:22:57 +0900 | [diff] [blame] | 1279 | ui__error("%s", errbuf); |
Namhyung Kim | 16ad2ff | 2012-05-07 14:09:02 +0900 | [diff] [blame] | 1280 | |
| 1281 | status = -saved_errno; |
Arnaldo Carvalho de Melo | 0d37aa3 | 2012-01-19 14:08:15 -0200 | [diff] [blame] | 1282 | goto out_delete_evlist; |
Namhyung Kim | 16ad2ff | 2012-05-07 14:09:02 +0900 | [diff] [blame] | 1283 | } |
Arnaldo Carvalho de Melo | 0d37aa3 | 2012-01-19 14:08:15 -0200 | [diff] [blame] | 1284 | |
Arnaldo Carvalho de Melo | 80eebd9 | 2012-05-08 10:47:09 -0300 | [diff] [blame] | 1285 | if (perf_target__none(&top.target)) |
Arnaldo Carvalho de Melo | 10b47d5 | 2012-05-07 16:33:56 -0300 | [diff] [blame] | 1286 | top.target.system_wide = true; |
| 1287 | |
Namhyung Kim | b809ac1 | 2012-04-26 14:15:19 +0900 | [diff] [blame] | 1288 | if (perf_evlist__create_maps(top.evlist, &top.target) < 0) |
Arnaldo Carvalho de Melo | 7e2ed09 | 2011-01-30 11:59:43 -0200 | [diff] [blame] | 1289 | usage_with_options(top_usage, options); |
| 1290 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1291 | if (!top.evlist->nr_entries && |
| 1292 | perf_evlist__add_default(top.evlist) < 0) { |
Namhyung Kim | 3780f48 | 2012-05-29 13:22:57 +0900 | [diff] [blame] | 1293 | ui__error("Not enough memory for event selector list\n"); |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 1294 | return -ENOMEM; |
| 1295 | } |
Arnaldo Carvalho de Melo | 5a8e5a3 | 2009-11-17 18:38:01 -0200 | [diff] [blame] | 1296 | |
Arnaldo Carvalho de Melo | d04b35f | 2011-11-11 22:17:32 -0200 | [diff] [blame] | 1297 | symbol_conf.nr_events = top.evlist->nr_entries; |
| 1298 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1299 | if (top.delay_secs < 1) |
| 1300 | top.delay_secs = 1; |
Frederic Weisbecker | 2f335a0 | 2009-06-05 19:31:01 +0200 | [diff] [blame] | 1301 | |
Mike Galbraith | 7e4ff9e | 2009-10-12 07:56:03 +0200 | [diff] [blame] | 1302 | /* |
| 1303 | * User specified count overrides default frequency. |
| 1304 | */ |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1305 | if (top.default_interval) |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1306 | top.freq = 0; |
| 1307 | else if (top.freq) { |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1308 | top.default_interval = top.freq; |
Mike Galbraith | 7e4ff9e | 2009-10-12 07:56:03 +0200 | [diff] [blame] | 1309 | } else { |
Namhyung Kim | 3780f48 | 2012-05-29 13:22:57 +0900 | [diff] [blame] | 1310 | ui__error("frequency and count are zero, aborting\n"); |
Mike Galbraith | 7e4ff9e | 2009-10-12 07:56:03 +0200 | [diff] [blame] | 1311 | exit(EXIT_FAILURE); |
| 1312 | } |
| 1313 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1314 | list_for_each_entry(pos, &top.evlist->entries, node) { |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 1315 | /* |
| 1316 | * Fill in the ones not specifically initialized via -c: |
| 1317 | */ |
Arnaldo Carvalho de Melo | 806fb63 | 2011-11-29 08:05:52 -0200 | [diff] [blame] | 1318 | if (!pos->attr.sample_period) |
| 1319 | pos->attr.sample_period = top.default_interval; |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 1320 | } |
| 1321 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1322 | top.sym_evsel = list_entry(top.evlist->entries.next, struct perf_evsel, node); |
Arnaldo Carvalho de Melo | cc84158 | 2011-01-11 15:16:52 -0200 | [diff] [blame] | 1323 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 1324 | symbol_conf.priv_size = sizeof(struct annotation); |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 1325 | |
| 1326 | symbol_conf.try_vmlinux_path = (symbol_conf.vmlinux_name == NULL); |
| 1327 | if (symbol__init() < 0) |
| 1328 | return -1; |
| 1329 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 1330 | sort_entry__setup_elide(&sort_dso, symbol_conf.dso_list, "dso", stdout); |
| 1331 | sort_entry__setup_elide(&sort_comm, symbol_conf.comm_list, "comm", stdout); |
| 1332 | sort_entry__setup_elide(&sort_sym, symbol_conf.sym_list, "symbol", stdout); |
| 1333 | |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 1334 | /* |
| 1335 | * Avoid annotation data structures overhead when symbols aren't on the |
| 1336 | * sort list. |
| 1337 | */ |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1338 | top.sort_has_symbols = sort_sym.list.next != NULL; |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 1339 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1340 | get_term_dimensions(&top.winsize); |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1341 | if (top.print_entries == 0) { |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1342 | struct sigaction act = { |
| 1343 | .sa_sigaction = perf_top__sig_winch, |
| 1344 | .sa_flags = SA_SIGINFO, |
| 1345 | }; |
| 1346 | perf_top__update_print_entries(&top); |
| 1347 | sigaction(SIGWINCH, &act, NULL); |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 1348 | } |
| 1349 | |
Arnaldo Carvalho de Melo | 1758af1 | 2011-11-28 09:37:05 -0200 | [diff] [blame] | 1350 | status = __cmd_top(&top); |
Arnaldo Carvalho de Melo | 806fb63 | 2011-11-29 08:05:52 -0200 | [diff] [blame] | 1351 | |
Arnaldo Carvalho de Melo | 0d37aa3 | 2012-01-19 14:08:15 -0200 | [diff] [blame] | 1352 | out_delete_evlist: |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1353 | perf_evlist__delete(top.evlist); |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 1354 | |
| 1355 | return status; |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1356 | } |