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> |
| 45 | #include <fcntl.h> |
Ingo Molnar | 0e9b20b | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 46 | |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 47 | #include <stdio.h> |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 48 | #include <termios.h> |
| 49 | #include <unistd.h> |
Arnaldo Carvalho de Melo | 9486aa3 | 2011-01-22 20:37:02 -0200 | [diff] [blame] | 50 | #include <inttypes.h> |
Ingo Molnar | 0e9b20b | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 51 | |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 52 | #include <errno.h> |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 53 | #include <time.h> |
| 54 | #include <sched.h> |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 55 | |
| 56 | #include <sys/syscall.h> |
| 57 | #include <sys/ioctl.h> |
| 58 | #include <sys/poll.h> |
| 59 | #include <sys/prctl.h> |
| 60 | #include <sys/wait.h> |
| 61 | #include <sys/uio.h> |
| 62 | #include <sys/mman.h> |
| 63 | |
| 64 | #include <linux/unistd.h> |
| 65 | #include <linux/types.h> |
| 66 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 67 | static struct perf_top top = { |
| 68 | .count_filter = 5, |
| 69 | .delay_secs = 2, |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 70 | .target_pid = -1, |
| 71 | .target_tid = -1, |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 72 | .freq = 1000, /* 1 KHz */ |
| 73 | }; |
Arnaldo Carvalho de Melo | 361c99a | 2011-01-11 20:56:53 -0200 | [diff] [blame] | 74 | |
Ian Munsie | c055564 | 2010-04-13 18:37:33 +1000 | [diff] [blame] | 75 | static bool system_wide = false; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 76 | |
Arnaldo Carvalho de Melo | c0443df | 2011-01-31 18:19:33 -0200 | [diff] [blame] | 77 | static bool use_tui, use_stdio; |
| 78 | |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 79 | static bool sort_has_symbols; |
| 80 | |
| 81 | static bool dont_use_callchains; |
| 82 | static char callchain_default_opt[] = "fractal,0.5,callee"; |
| 83 | |
| 84 | |
Mike Galbraith | 7e4ff9e | 2009-10-12 07:56:03 +0200 | [diff] [blame] | 85 | static int default_interval = 0; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 86 | |
Arnaldo Carvalho de Melo | 5f6f558 | 2011-05-27 11:53:28 -0300 | [diff] [blame] | 87 | static bool kptr_restrict_warned; |
Arnaldo Carvalho de Melo | e4a338d | 2011-05-27 13:42:16 -0300 | [diff] [blame] | 88 | static bool vmlinux_warned; |
Ian Munsie | c055564 | 2010-04-13 18:37:33 +1000 | [diff] [blame] | 89 | static bool inherit = false; |
Arnaldo Carvalho de Melo | 1967936 | 2010-05-17 15:39:16 -0300 | [diff] [blame] | 90 | static int realtime_prio = 0; |
Ian Munsie | c055564 | 2010-04-13 18:37:33 +1000 | [diff] [blame] | 91 | static bool group = false; |
Arnaldo Carvalho de Melo | 7b27509 | 2011-10-29 12:15:04 -0200 | [diff] [blame] | 92 | static bool sample_id_all_avail = true; |
Arnaldo Carvalho de Melo | 70db753 | 2011-01-12 22:39:13 -0200 | [diff] [blame] | 93 | static unsigned int mmap_pages = 128; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 94 | |
Ian Munsie | c055564 | 2010-04-13 18:37:33 +1000 | [diff] [blame] | 95 | static bool dump_symtab = false; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 96 | |
Arnaldo Carvalho de Melo | 13cc507 | 2009-11-17 15:40:54 -0200 | [diff] [blame] | 97 | static struct winsize winsize; |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 98 | |
Arnaldo Carvalho de Melo | edb7c60 | 2010-05-17 16:22:41 -0300 | [diff] [blame] | 99 | static const char *sym_filter = NULL; |
Ingo Molnar | 42e59d7 | 2009-10-06 15:14:21 +0200 | [diff] [blame] | 100 | static int sym_pcnt_filter = 5; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 101 | |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 102 | /* |
| 103 | * Source functions |
| 104 | */ |
| 105 | |
Arnaldo Carvalho de Melo | 895f0ed | 2010-03-11 20:12:41 -0300 | [diff] [blame] | 106 | void get_term_dimensions(struct winsize *ws) |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 107 | { |
Arnaldo Carvalho de Melo | 13cc507 | 2009-11-17 15:40:54 -0200 | [diff] [blame] | 108 | char *s = getenv("LINES"); |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 109 | |
Arnaldo Carvalho de Melo | 13cc507 | 2009-11-17 15:40:54 -0200 | [diff] [blame] | 110 | if (s != NULL) { |
| 111 | ws->ws_row = atoi(s); |
| 112 | s = getenv("COLUMNS"); |
| 113 | if (s != NULL) { |
| 114 | ws->ws_col = atoi(s); |
| 115 | if (ws->ws_row && ws->ws_col) |
| 116 | return; |
| 117 | } |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 118 | } |
Arnaldo Carvalho de Melo | 13cc507 | 2009-11-17 15:40:54 -0200 | [diff] [blame] | 119 | #ifdef TIOCGWINSZ |
| 120 | if (ioctl(1, TIOCGWINSZ, ws) == 0 && |
| 121 | ws->ws_row && ws->ws_col) |
| 122 | return; |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 123 | #endif |
Arnaldo Carvalho de Melo | 13cc507 | 2009-11-17 15:40:54 -0200 | [diff] [blame] | 124 | ws->ws_row = 25; |
| 125 | ws->ws_col = 80; |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 126 | } |
| 127 | |
Arnaldo Carvalho de Melo | 13cc507 | 2009-11-17 15:40:54 -0200 | [diff] [blame] | 128 | static void update_print_entries(struct winsize *ws) |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 129 | { |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 130 | top.print_entries = ws->ws_row; |
Arnaldo Carvalho de Melo | 13cc507 | 2009-11-17 15:40:54 -0200 | [diff] [blame] | 131 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 132 | if (top.print_entries > 9) |
| 133 | top.print_entries -= 9; |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 134 | } |
| 135 | |
| 136 | static void sig_winch_handler(int sig __used) |
| 137 | { |
Arnaldo Carvalho de Melo | 13cc507 | 2009-11-17 15:40:54 -0200 | [diff] [blame] | 138 | get_term_dimensions(&winsize); |
| 139 | update_print_entries(&winsize); |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 140 | } |
| 141 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 142 | static int parse_source(struct hist_entry *he) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 143 | { |
| 144 | struct symbol *sym; |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 145 | struct annotation *notes; |
Arnaldo Carvalho de Melo | 439d473 | 2009-10-02 03:29:58 -0300 | [diff] [blame] | 146 | struct map *map; |
Arnaldo Carvalho de Melo | 3653246 | 2011-02-06 14:54:44 -0200 | [diff] [blame] | 147 | int err = -1; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 148 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 149 | if (!he || !he->ms.sym) |
Arnaldo Carvalho de Melo | b0a9ab6 | 2010-03-15 11:46:58 -0300 | [diff] [blame] | 150 | return -1; |
| 151 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 152 | sym = he->ms.sym; |
| 153 | map = he->ms.map; |
Arnaldo Carvalho de Melo | b0a9ab6 | 2010-03-15 11:46:58 -0300 | [diff] [blame] | 154 | |
| 155 | /* |
| 156 | * We can't annotate with just /proc/kallsyms |
| 157 | */ |
Arnaldo Carvalho de Melo | 878b439 | 2011-03-11 13:13:36 -0300 | [diff] [blame] | 158 | if (map->dso->symtab_type == SYMTAB__KALLSYMS) { |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 159 | pr_err("Can't annotate %s: No vmlinux file was found in the " |
| 160 | "path\n", sym->name); |
| 161 | sleep(1); |
Arnaldo Carvalho de Melo | b0a9ab6 | 2010-03-15 11:46:58 -0300 | [diff] [blame] | 162 | return -1; |
Arnaldo Carvalho de Melo | b269876 | 2009-11-17 18:38:02 -0200 | [diff] [blame] | 163 | } |
| 164 | |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 165 | notes = symbol__annotation(sym); |
| 166 | if (notes->src != NULL) { |
| 167 | pthread_mutex_lock(¬es->lock); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 168 | goto out_assign; |
| 169 | } |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 170 | |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 171 | pthread_mutex_lock(¬es->lock); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 172 | |
Arnaldo Carvalho de Melo | d04b35f | 2011-11-11 22:17:32 -0200 | [diff] [blame] | 173 | if (symbol__alloc_hist(sym) < 0) { |
Arnaldo Carvalho de Melo | c97cf42 | 2011-02-22 12:02:07 -0300 | [diff] [blame] | 174 | pthread_mutex_unlock(¬es->lock); |
Arnaldo Carvalho de Melo | 3653246 | 2011-02-06 14:54:44 -0200 | [diff] [blame] | 175 | pr_err("Not enough memory for annotating '%s' symbol!\n", |
| 176 | sym->name); |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 177 | sleep(1); |
Arnaldo Carvalho de Melo | c97cf42 | 2011-02-22 12:02:07 -0300 | [diff] [blame] | 178 | return err; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 179 | } |
Arnaldo Carvalho de Melo | 3653246 | 2011-02-06 14:54:44 -0200 | [diff] [blame] | 180 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 181 | err = symbol__annotate(sym, map, 0); |
Arnaldo Carvalho de Melo | 3653246 | 2011-02-06 14:54:44 -0200 | [diff] [blame] | 182 | if (err == 0) { |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 183 | out_assign: |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 184 | top.sym_filter_entry = he; |
Arnaldo Carvalho de Melo | 3653246 | 2011-02-06 14:54:44 -0200 | [diff] [blame] | 185 | } |
Arnaldo Carvalho de Melo | c97cf42 | 2011-02-22 12:02:07 -0300 | [diff] [blame] | 186 | |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 187 | pthread_mutex_unlock(¬es->lock); |
Arnaldo Carvalho de Melo | 3653246 | 2011-02-06 14:54:44 -0200 | [diff] [blame] | 188 | return err; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 189 | } |
| 190 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 191 | static void __zero_source_counters(struct hist_entry *he) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 192 | { |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 193 | struct symbol *sym = he->ms.sym; |
Arnaldo Carvalho de Melo | 3653246 | 2011-02-06 14:54:44 -0200 | [diff] [blame] | 194 | symbol__annotate_zero_histograms(sym); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 195 | } |
| 196 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 197 | static void record_precise_ip(struct hist_entry *he, int counter, u64 ip) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 198 | { |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 199 | struct annotation *notes; |
| 200 | struct symbol *sym; |
| 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 | f9e3d4b | 2011-11-03 11:31:26 -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); |
| 222 | 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); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 225 | } |
| 226 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 227 | static void show_details(struct hist_entry *he) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 228 | { |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 229 | struct annotation *notes; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 230 | struct symbol *symbol; |
Arnaldo Carvalho de Melo | 3653246 | 2011-02-06 14:54:44 -0200 | [diff] [blame] | 231 | int more; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 232 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 233 | if (!he) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 234 | return; |
| 235 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 236 | symbol = he->ms.sym; |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 237 | notes = symbol__annotation(symbol); |
| 238 | |
| 239 | pthread_mutex_lock(¬es->lock); |
| 240 | |
| 241 | if (notes->src == NULL) |
| 242 | goto out_unlock; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 243 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 244 | printf("Showing %s for %s\n", event_name(top.sym_evsel), symbol->name); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 245 | printf(" Events Pcnt (>=%d%%)\n", sym_pcnt_filter); |
| 246 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 247 | more = symbol__annotate_printf(symbol, he->ms.map, top.sym_evsel->idx, |
Arnaldo Carvalho de Melo | d5e3d74 | 2011-02-08 15:29:25 -0200 | [diff] [blame] | 248 | 0, sym_pcnt_filter, top.print_entries, 4); |
Arnaldo Carvalho de Melo | 3653246 | 2011-02-06 14:54:44 -0200 | [diff] [blame] | 249 | if (top.zero) |
| 250 | symbol__annotate_zero_histogram(symbol, top.sym_evsel->idx); |
| 251 | else |
Arnaldo Carvalho de Melo | ce6f4fa | 2011-02-08 13:27:39 -0200 | [diff] [blame] | 252 | symbol__annotate_decay_histogram(symbol, top.sym_evsel->idx); |
Arnaldo Carvalho de Melo | 3653246 | 2011-02-06 14:54:44 -0200 | [diff] [blame] | 253 | if (more != 0) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 254 | 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] | 255 | out_unlock: |
| 256 | pthread_mutex_unlock(¬es->lock); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 257 | } |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 258 | |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 259 | static const char CONSOLE_CLEAR[] = "[H[2J"; |
| 260 | |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 261 | static struct hist_entry *perf_evsel__add_hist_entry(struct perf_evsel *evsel, |
| 262 | struct addr_location *al, |
| 263 | struct perf_sample *sample) |
Arnaldo Carvalho de Melo | de04687 | 2009-05-28 14:55:41 -0300 | [diff] [blame] | 264 | { |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 265 | struct hist_entry *he; |
| 266 | |
| 267 | he = __hists__add_entry(&evsel->hists, al, NULL, sample->period); |
| 268 | if (he == NULL) |
| 269 | return NULL; |
| 270 | |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 271 | evsel->hists.stats.total_period += sample->period; |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 272 | hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE); |
| 273 | return he; |
Arnaldo Carvalho de Melo | de04687 | 2009-05-28 14:55:41 -0300 | [diff] [blame] | 274 | } |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 275 | |
Arnaldo Carvalho de Melo | dcc101d | 2011-09-01 14:27:58 -0300 | [diff] [blame] | 276 | static void print_sym_table(void) |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 277 | { |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 278 | char bf[160]; |
| 279 | int printed = 0; |
Arnaldo Carvalho de Melo | 13cc507 | 2009-11-17 15:40:54 -0200 | [diff] [blame] | 280 | const int win_width = winsize.ws_col - 1; |
Mike Galbraith | d94b943 | 2009-05-25 09:57:56 +0200 | [diff] [blame] | 281 | |
Frederic Weisbecker | 0f5486b | 2009-06-04 20:48:04 +0200 | [diff] [blame] | 282 | puts(CONSOLE_CLEAR); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 283 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 284 | perf_top__header_snprintf(&top, bf, sizeof(bf)); |
| 285 | printf("%s\n", bf); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 286 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 287 | perf_top__reset_sample_counters(&top); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 288 | |
Arnaldo Carvalho de Melo | 1a105f7 | 2009-11-17 15:40:55 -0200 | [diff] [blame] | 289 | printf("%-*.*s\n", win_width, win_width, graph_dotted_line); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 290 | |
Arnaldo Carvalho de Melo | 7b27509 | 2011-10-29 12:15:04 -0200 | [diff] [blame] | 291 | if (top.sym_evsel->hists.stats.nr_lost_warned != |
| 292 | top.sym_evsel->hists.stats.nr_events[PERF_RECORD_LOST]) { |
| 293 | top.sym_evsel->hists.stats.nr_lost_warned = |
| 294 | top.sym_evsel->hists.stats.nr_events[PERF_RECORD_LOST]; |
| 295 | color_fprintf(stdout, PERF_COLOR_RED, |
| 296 | "WARNING: LOST %d chunks, Check IO/CPU overload", |
| 297 | top.sym_evsel->hists.stats.nr_lost_warned); |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 298 | ++printed; |
Arnaldo Carvalho de Melo | 93fc64f | 2011-01-29 12:08:00 -0200 | [diff] [blame] | 299 | } |
| 300 | |
Arnaldo Carvalho de Melo | c97cf42 | 2011-02-22 12:02:07 -0300 | [diff] [blame] | 301 | if (top.sym_filter_entry) { |
| 302 | show_details(top.sym_filter_entry); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 303 | return; |
| 304 | } |
| 305 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 306 | hists__collapse_resort_threaded(&top.sym_evsel->hists); |
| 307 | hists__output_resort_threaded(&top.sym_evsel->hists); |
Arnaldo Carvalho de Melo | b079d4e | 2011-10-17 09:05:04 -0200 | [diff] [blame] | 308 | hists__decay_entries_threaded(&top.sym_evsel->hists, |
| 309 | top.hide_user_symbols, |
| 310 | top.hide_kernel_symbols); |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 311 | hists__output_recalc_col_len(&top.sym_evsel->hists, winsize.ws_row - 3); |
Arnaldo Carvalho de Melo | 7cc017e | 2009-11-24 12:05:14 -0200 | [diff] [blame] | 312 | putchar('\n'); |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 313 | hists__fprintf(&top.sym_evsel->hists, NULL, false, false, |
| 314 | winsize.ws_row - 4 - printed, win_width, stdout); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 315 | } |
| 316 | |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 317 | static void prompt_integer(int *target, const char *msg) |
| 318 | { |
| 319 | char *buf = malloc(0), *p; |
| 320 | size_t dummy = 0; |
| 321 | int tmp; |
| 322 | |
| 323 | fprintf(stdout, "\n%s: ", msg); |
| 324 | if (getline(&buf, &dummy, stdin) < 0) |
| 325 | return; |
| 326 | |
| 327 | p = strchr(buf, '\n'); |
| 328 | if (p) |
| 329 | *p = 0; |
| 330 | |
| 331 | p = buf; |
| 332 | while(*p) { |
| 333 | if (!isdigit(*p)) |
| 334 | goto out_free; |
| 335 | p++; |
| 336 | } |
| 337 | tmp = strtoul(buf, NULL, 10); |
| 338 | *target = tmp; |
| 339 | out_free: |
| 340 | free(buf); |
| 341 | } |
| 342 | |
| 343 | static void prompt_percent(int *target, const char *msg) |
| 344 | { |
| 345 | int tmp = 0; |
| 346 | |
| 347 | prompt_integer(&tmp, msg); |
| 348 | if (tmp >= 0 && tmp <= 100) |
| 349 | *target = tmp; |
| 350 | } |
| 351 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 352 | static void prompt_symbol(struct hist_entry **target, const char *msg) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 353 | { |
| 354 | char *buf = malloc(0), *p; |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 355 | struct hist_entry *syme = *target, *n, *found = NULL; |
| 356 | struct rb_node *next; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 357 | size_t dummy = 0; |
| 358 | |
| 359 | /* zero counters of active symbol */ |
| 360 | if (syme) { |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 361 | __zero_source_counters(syme); |
| 362 | *target = NULL; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 363 | } |
| 364 | |
| 365 | fprintf(stdout, "\n%s: ", msg); |
| 366 | if (getline(&buf, &dummy, stdin) < 0) |
| 367 | goto out_free; |
| 368 | |
| 369 | p = strchr(buf, '\n'); |
| 370 | if (p) |
| 371 | *p = 0; |
| 372 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 373 | next = rb_first(&top.sym_evsel->hists.entries); |
| 374 | while (next) { |
| 375 | n = rb_entry(next, struct hist_entry, rb_node); |
| 376 | if (n->ms.sym && !strcmp(buf, n->ms.sym->name)) { |
| 377 | found = n; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 378 | break; |
| 379 | } |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 380 | next = rb_next(&n->rb_node); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 381 | } |
| 382 | |
| 383 | if (!found) { |
Kirill Smelkov | 66aeb6d | 2010-01-13 13:22:19 -0200 | [diff] [blame] | 384 | fprintf(stderr, "Sorry, %s is not active.\n", buf); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 385 | sleep(1); |
| 386 | return; |
| 387 | } else |
| 388 | parse_source(found); |
| 389 | |
| 390 | out_free: |
| 391 | free(buf); |
| 392 | } |
| 393 | |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 394 | static void print_mapped_keys(void) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 395 | { |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 396 | char *name = NULL; |
| 397 | |
Arnaldo Carvalho de Melo | c97cf42 | 2011-02-22 12:02:07 -0300 | [diff] [blame] | 398 | if (top.sym_filter_entry) { |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 399 | struct symbol *sym = top.sym_filter_entry->ms.sym; |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 400 | name = sym->name; |
| 401 | } |
| 402 | |
| 403 | fprintf(stdout, "\nMapped keys:\n"); |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 404 | fprintf(stdout, "\t[d] display refresh delay. \t(%d)\n", top.delay_secs); |
| 405 | 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] | 406 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 407 | if (top.evlist->nr_entries > 1) |
| 408 | fprintf(stdout, "\t[E] active event counter. \t(%s)\n", event_name(top.sym_evsel)); |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 409 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 410 | 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] | 411 | |
Kirill Smelkov | 6cff0e8 | 2010-02-03 16:52:08 -0200 | [diff] [blame] | 412 | fprintf(stdout, "\t[F] annotate display filter (percent). \t(%d%%)\n", sym_pcnt_filter); |
| 413 | fprintf(stdout, "\t[s] annotate symbol. \t(%s)\n", name?: "NULL"); |
| 414 | fprintf(stdout, "\t[S] stop annotation.\n"); |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 415 | |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 416 | fprintf(stdout, |
Kirill Smelkov | 1a72cfa | 2010-02-12 19:20:59 +0300 | [diff] [blame] | 417 | "\t[K] hide kernel_symbols symbols. \t(%s)\n", |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 418 | top.hide_kernel_symbols ? "yes" : "no"); |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 419 | fprintf(stdout, |
| 420 | "\t[U] hide user symbols. \t(%s)\n", |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 421 | top.hide_user_symbols ? "yes" : "no"); |
| 422 | 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] | 423 | fprintf(stdout, "\t[qQ] quit.\n"); |
| 424 | } |
| 425 | |
| 426 | static int key_mapped(int c) |
| 427 | { |
| 428 | switch (c) { |
| 429 | case 'd': |
| 430 | case 'e': |
| 431 | case 'f': |
| 432 | case 'z': |
| 433 | case 'q': |
| 434 | case 'Q': |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 435 | case 'K': |
| 436 | case 'U': |
Kirill Smelkov | 6cff0e8 | 2010-02-03 16:52:08 -0200 | [diff] [blame] | 437 | case 'F': |
| 438 | case 's': |
| 439 | case 'S': |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 440 | return 1; |
| 441 | case 'E': |
Arnaldo Carvalho de Melo | b2b7e9e | 2011-10-17 09:10:24 -0200 | [diff] [blame] | 442 | return top.evlist->nr_entries > 1 ? 1 : 0; |
Ingo Molnar | 83a0944 | 2009-08-15 12:26:57 +0200 | [diff] [blame] | 443 | default: |
| 444 | break; |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 445 | } |
| 446 | |
| 447 | return 0; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 448 | } |
| 449 | |
Arnaldo Carvalho de Melo | dcc101d | 2011-09-01 14:27:58 -0300 | [diff] [blame] | 450 | static void handle_keypress(int c) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 451 | { |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 452 | if (!key_mapped(c)) { |
| 453 | struct pollfd stdin_poll = { .fd = 0, .events = POLLIN }; |
| 454 | struct termios tc, save; |
| 455 | |
| 456 | print_mapped_keys(); |
| 457 | fprintf(stdout, "\nEnter selection, or unmapped key to continue: "); |
| 458 | fflush(stdout); |
| 459 | |
| 460 | tcgetattr(0, &save); |
| 461 | tc = save; |
| 462 | tc.c_lflag &= ~(ICANON | ECHO); |
| 463 | tc.c_cc[VMIN] = 0; |
| 464 | tc.c_cc[VTIME] = 0; |
| 465 | tcsetattr(0, TCSANOW, &tc); |
| 466 | |
| 467 | poll(&stdin_poll, 1, -1); |
| 468 | c = getc(stdin); |
| 469 | |
| 470 | tcsetattr(0, TCSAFLUSH, &save); |
| 471 | if (!key_mapped(c)) |
| 472 | return; |
| 473 | } |
| 474 | |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 475 | switch (c) { |
| 476 | case 'd': |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 477 | prompt_integer(&top.delay_secs, "Enter display delay"); |
| 478 | if (top.delay_secs < 1) |
| 479 | top.delay_secs = 1; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 480 | break; |
| 481 | case 'e': |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 482 | prompt_integer(&top.print_entries, "Enter display entries (lines)"); |
| 483 | if (top.print_entries == 0) { |
Arnaldo Carvalho de Melo | 13cc507 | 2009-11-17 15:40:54 -0200 | [diff] [blame] | 484 | sig_winch_handler(SIGWINCH); |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 485 | signal(SIGWINCH, sig_winch_handler); |
| 486 | } else |
| 487 | signal(SIGWINCH, SIG_DFL); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 488 | break; |
| 489 | case 'E': |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 490 | if (top.evlist->nr_entries > 1) { |
Akihiro Nagai | ce2d17c | 2011-03-23 16:29:39 +0900 | [diff] [blame] | 491 | /* Select 0 as the default event: */ |
| 492 | int counter = 0; |
| 493 | |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 494 | fprintf(stderr, "\nAvailable events:"); |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 495 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 496 | list_for_each_entry(top.sym_evsel, &top.evlist->entries, node) |
| 497 | fprintf(stderr, "\n\t%d %s", top.sym_evsel->idx, event_name(top.sym_evsel)); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 498 | |
Arnaldo Carvalho de Melo | ec52d97 | 2011-03-11 10:11:48 -0300 | [diff] [blame] | 499 | prompt_integer(&counter, "Enter details event counter"); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 500 | |
Arnaldo Carvalho de Melo | ec52d97 | 2011-03-11 10:11:48 -0300 | [diff] [blame] | 501 | if (counter >= top.evlist->nr_entries) { |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 502 | top.sym_evsel = list_entry(top.evlist->entries.next, struct perf_evsel, node); |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 503 | fprintf(stderr, "Sorry, no such event, using %s.\n", event_name(top.sym_evsel)); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 504 | sleep(1); |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 505 | break; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 506 | } |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 507 | list_for_each_entry(top.sym_evsel, &top.evlist->entries, node) |
Arnaldo Carvalho de Melo | ec52d97 | 2011-03-11 10:11:48 -0300 | [diff] [blame] | 508 | if (top.sym_evsel->idx == counter) |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 509 | break; |
Arnaldo Carvalho de Melo | ec52d97 | 2011-03-11 10:11:48 -0300 | [diff] [blame] | 510 | } else |
| 511 | 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] | 512 | break; |
| 513 | case 'f': |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 514 | prompt_integer(&top.count_filter, "Enter display event count filter"); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 515 | break; |
| 516 | case 'F': |
| 517 | prompt_percent(&sym_pcnt_filter, "Enter details display event filter (percent)"); |
| 518 | break; |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 519 | case 'K': |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 520 | top.hide_kernel_symbols = !top.hide_kernel_symbols; |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 521 | break; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 522 | case 'q': |
| 523 | case 'Q': |
| 524 | printf("exiting.\n"); |
Arnaldo Carvalho de Melo | c338aee | 2009-11-20 20:51:27 -0200 | [diff] [blame] | 525 | if (dump_symtab) |
Arnaldo Carvalho de Melo | dcc101d | 2011-09-01 14:27:58 -0300 | [diff] [blame] | 526 | perf_session__fprintf_dsos(top.session, stderr); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 527 | exit(0); |
| 528 | case 's': |
Arnaldo Carvalho de Melo | c97cf42 | 2011-02-22 12:02:07 -0300 | [diff] [blame] | 529 | prompt_symbol(&top.sym_filter_entry, "Enter details symbol"); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 530 | break; |
| 531 | case 'S': |
Arnaldo Carvalho de Melo | c97cf42 | 2011-02-22 12:02:07 -0300 | [diff] [blame] | 532 | if (!top.sym_filter_entry) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 533 | break; |
| 534 | else { |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 535 | struct hist_entry *syme = top.sym_filter_entry; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 536 | |
Arnaldo Carvalho de Melo | c97cf42 | 2011-02-22 12:02:07 -0300 | [diff] [blame] | 537 | top.sym_filter_entry = NULL; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 538 | __zero_source_counters(syme); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 539 | } |
| 540 | break; |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 541 | case 'U': |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 542 | top.hide_user_symbols = !top.hide_user_symbols; |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 543 | break; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 544 | case 'z': |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 545 | top.zero = !top.zero; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 546 | break; |
Ingo Molnar | 83a0944 | 2009-08-15 12:26:57 +0200 | [diff] [blame] | 547 | default: |
| 548 | break; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 549 | } |
| 550 | } |
| 551 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 552 | static void perf_top__sort_new_samples(void *arg) |
| 553 | { |
| 554 | struct perf_top *t = arg; |
| 555 | perf_top__reset_sample_counters(t); |
| 556 | |
| 557 | if (t->evlist->selected != NULL) |
| 558 | t->sym_evsel = t->evlist->selected; |
| 559 | |
| 560 | hists__collapse_resort_threaded(&t->sym_evsel->hists); |
| 561 | hists__output_resort_threaded(&t->sym_evsel->hists); |
Arnaldo Carvalho de Melo | b079d4e | 2011-10-17 09:05:04 -0200 | [diff] [blame] | 562 | hists__decay_entries_threaded(&t->sym_evsel->hists, |
| 563 | top.hide_user_symbols, |
| 564 | top.hide_kernel_symbols); |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 565 | } |
| 566 | |
Arnaldo Carvalho de Melo | c0443df | 2011-01-31 18:19:33 -0200 | [diff] [blame] | 567 | static void *display_thread_tui(void *arg __used) |
| 568 | { |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 569 | const char *help = "For a higher level overview, try: perf top --sort comm,dso"; |
| 570 | |
| 571 | perf_top__sort_new_samples(&top); |
| 572 | perf_evlist__tui_browse_hists(top.evlist, help, |
| 573 | perf_top__sort_new_samples, |
| 574 | &top, top.delay_secs); |
| 575 | |
Arnaldo Carvalho de Melo | c0443df | 2011-01-31 18:19:33 -0200 | [diff] [blame] | 576 | exit_browser(0); |
| 577 | exit(0); |
| 578 | return NULL; |
| 579 | } |
| 580 | |
Ingo Molnar | f37a291 | 2009-07-01 12:37:06 +0200 | [diff] [blame] | 581 | static void *display_thread(void *arg __used) |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 582 | { |
Frederic Weisbecker | 0f5486b | 2009-06-04 20:48:04 +0200 | [diff] [blame] | 583 | struct pollfd stdin_poll = { .fd = 0, .events = POLLIN }; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 584 | struct termios tc, save; |
| 585 | int delay_msecs, c; |
Frederic Weisbecker | 0f5486b | 2009-06-04 20:48:04 +0200 | [diff] [blame] | 586 | |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 587 | tcgetattr(0, &save); |
| 588 | tc = save; |
| 589 | tc.c_lflag &= ~(ICANON | ECHO); |
| 590 | tc.c_cc[VMIN] = 0; |
| 591 | tc.c_cc[VTIME] = 0; |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 592 | |
Arnaldo Carvalho de Melo | 3af6e33 | 2011-10-13 08:52:46 -0300 | [diff] [blame] | 593 | pthread__unblock_sigwinch(); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 594 | repeat: |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 595 | delay_msecs = top.delay_secs * 1000; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 596 | tcsetattr(0, TCSANOW, &tc); |
| 597 | /* trash return*/ |
| 598 | getc(stdin); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 599 | |
Arnaldo Carvalho de Melo | 3af6e33 | 2011-10-13 08:52:46 -0300 | [diff] [blame] | 600 | while (1) { |
Arnaldo Carvalho de Melo | dcc101d | 2011-09-01 14:27:58 -0300 | [diff] [blame] | 601 | print_sym_table(); |
Arnaldo Carvalho de Melo | 3af6e33 | 2011-10-13 08:52:46 -0300 | [diff] [blame] | 602 | /* |
| 603 | * Either timeout expired or we got an EINTR due to SIGWINCH, |
| 604 | * refresh screen in both cases. |
| 605 | */ |
| 606 | switch (poll(&stdin_poll, 1, delay_msecs)) { |
| 607 | case 0: |
| 608 | continue; |
| 609 | case -1: |
| 610 | if (errno == EINTR) |
| 611 | continue; |
| 612 | /* Fall trhu */ |
| 613 | default: |
| 614 | goto process_hotkey; |
| 615 | } |
| 616 | } |
| 617 | process_hotkey: |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 618 | c = getc(stdin); |
| 619 | tcsetattr(0, TCSAFLUSH, &save); |
| 620 | |
Arnaldo Carvalho de Melo | dcc101d | 2011-09-01 14:27:58 -0300 | [diff] [blame] | 621 | handle_keypress(c); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 622 | goto repeat; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 623 | |
| 624 | return NULL; |
| 625 | } |
| 626 | |
Anton Blanchard | 2ab5208 | 2009-07-01 09:00:46 +1000 | [diff] [blame] | 627 | /* Tag samples to be skipped. */ |
Ingo Molnar | f37a291 | 2009-07-01 12:37:06 +0200 | [diff] [blame] | 628 | static const char *skip_symbols[] = { |
Anton Blanchard | 2ab5208 | 2009-07-01 09:00:46 +1000 | [diff] [blame] | 629 | "default_idle", |
Arnaldo Carvalho de Melo | b0e8572 | 2011-01-16 17:39:15 -0200 | [diff] [blame] | 630 | "native_safe_halt", |
Anton Blanchard | 2ab5208 | 2009-07-01 09:00:46 +1000 | [diff] [blame] | 631 | "cpu_idle", |
| 632 | "enter_idle", |
| 633 | "exit_idle", |
| 634 | "mwait_idle", |
Arnaldo Carvalho de Melo | 59b9005 | 2009-07-26 19:06:19 -0300 | [diff] [blame] | 635 | "mwait_idle_with_hints", |
Arnaldo Carvalho de Melo | 8357275 | 2009-09-25 15:02:39 -0700 | [diff] [blame] | 636 | "poll_idle", |
Anton Blanchard | 3a3393e | 2009-07-01 09:00:47 +1000 | [diff] [blame] | 637 | "ppc64_runlatch_off", |
| 638 | "pseries_dedicated_idle_sleep", |
Anton Blanchard | 2ab5208 | 2009-07-01 09:00:46 +1000 | [diff] [blame] | 639 | NULL |
| 640 | }; |
| 641 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 642 | static int symbol_filter(struct map *map __used, struct symbol *sym) |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 643 | { |
Arnaldo Carvalho de Melo | de04687 | 2009-05-28 14:55:41 -0300 | [diff] [blame] | 644 | const char *name = sym->name; |
Anton Blanchard | 2ab5208 | 2009-07-01 09:00:46 +1000 | [diff] [blame] | 645 | int i; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 646 | |
Anton Blanchard | 3a3393e | 2009-07-01 09:00:47 +1000 | [diff] [blame] | 647 | /* |
| 648 | * ppc64 uses function descriptors and appends a '.' to the |
| 649 | * start of every instruction address. Remove it. |
| 650 | */ |
| 651 | if (name[0] == '.') |
| 652 | name++; |
| 653 | |
Arnaldo Carvalho de Melo | de04687 | 2009-05-28 14:55:41 -0300 | [diff] [blame] | 654 | if (!strcmp(name, "_text") || |
| 655 | !strcmp(name, "_etext") || |
| 656 | !strcmp(name, "_sinittext") || |
| 657 | !strncmp("init_module", name, 11) || |
| 658 | !strncmp("cleanup_module", name, 14) || |
| 659 | strstr(name, "_text_start") || |
| 660 | strstr(name, "_text_end")) |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 661 | return 1; |
| 662 | |
Anton Blanchard | 2ab5208 | 2009-07-01 09:00:46 +1000 | [diff] [blame] | 663 | for (i = 0; skip_symbols[i]; i++) { |
| 664 | if (!strcmp(skip_symbols[i], name)) { |
Arnaldo Carvalho de Melo | 171b3be | 2011-03-11 13:36:01 -0300 | [diff] [blame] | 665 | sym->ignore = true; |
Anton Blanchard | 2ab5208 | 2009-07-01 09:00:46 +1000 | [diff] [blame] | 666 | break; |
| 667 | } |
| 668 | } |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 669 | |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 670 | return 0; |
| 671 | } |
| 672 | |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 673 | static void perf_event__process_sample(const union perf_event *event, |
Arnaldo Carvalho de Melo | 7b27509 | 2011-10-29 12:15:04 -0200 | [diff] [blame] | 674 | struct perf_evsel *evsel, |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 675 | struct perf_sample *sample, |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 676 | struct machine *machine) |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 677 | { |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 678 | struct symbol *parent = NULL; |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 679 | u64 ip = event->ip.ip; |
Arnaldo Carvalho de Melo | 1ed091c | 2009-11-27 16:29:23 -0200 | [diff] [blame] | 680 | struct addr_location al; |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 681 | int err; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 682 | |
Arnaldo Carvalho de Melo | 23346f2 | 2010-04-27 21:17:50 -0300 | [diff] [blame] | 683 | if (!machine && perf_guest) { |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 684 | 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] | 685 | event->ip.pid); |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 686 | return; |
| 687 | } |
| 688 | |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 689 | if (event->header.misc & PERF_RECORD_MISC_EXACT_IP) |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 690 | top.exact_samples++; |
Peter Zijlstra | 1676b8a | 2010-03-04 14:19:36 +0100 | [diff] [blame] | 691 | |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 692 | if (perf_event__preprocess_sample(event, machine, &al, sample, |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 693 | symbol_filter) < 0 || |
Arnaldo Carvalho de Melo | 72b8fa1 | 2010-01-27 21:05:49 -0200 | [diff] [blame] | 694 | al.filtered) |
Arnaldo Carvalho de Melo | 1ed091c | 2009-11-27 16:29:23 -0200 | [diff] [blame] | 695 | return; |
Arnaldo Carvalho de Melo | 5b2bb75 | 2009-10-26 19:23:19 -0200 | [diff] [blame] | 696 | |
Arnaldo Carvalho de Melo | 5f6f558 | 2011-05-27 11:53:28 -0300 | [diff] [blame] | 697 | if (!kptr_restrict_warned && |
| 698 | symbol_conf.kptr_restrict && |
| 699 | al.cpumode == PERF_RECORD_MISC_KERNEL) { |
| 700 | ui__warning( |
| 701 | "Kernel address maps (/proc/{kallsyms,modules}) are restricted.\n\n" |
| 702 | "Check /proc/sys/kernel/kptr_restrict.\n\n" |
| 703 | "Kernel%s samples will not be resolved.\n", |
| 704 | !RB_EMPTY_ROOT(&al.map->dso->symbols[MAP__FUNCTION]) ? |
| 705 | " modules" : ""); |
| 706 | if (use_browser <= 0) |
| 707 | sleep(5); |
| 708 | kptr_restrict_warned = true; |
| 709 | } |
| 710 | |
Arnaldo Carvalho de Melo | 72b8fa1 | 2010-01-27 21:05:49 -0200 | [diff] [blame] | 711 | if (al.sym == NULL) { |
Arnaldo Carvalho de Melo | e4a338d | 2011-05-27 13:42:16 -0300 | [diff] [blame] | 712 | const char *msg = "Kernel samples will not be resolved.\n"; |
Arnaldo Carvalho de Melo | 72b8fa1 | 2010-01-27 21:05:49 -0200 | [diff] [blame] | 713 | /* |
| 714 | * As we do lazy loading of symtabs we only will know if the |
| 715 | * specified vmlinux file is invalid when we actually have a |
| 716 | * hit in kernel space and then try to load it. So if we get |
| 717 | * here and there are _no_ symbols in the DSO backing the |
| 718 | * kernel map, bail out. |
| 719 | * |
| 720 | * We may never get here, for instance, if we use -K/ |
| 721 | * --hide-kernel-symbols, even if the user specifies an |
| 722 | * invalid --vmlinux ;-) |
| 723 | */ |
Arnaldo Carvalho de Melo | e4a338d | 2011-05-27 13:42:16 -0300 | [diff] [blame] | 724 | if (!kptr_restrict_warned && !vmlinux_warned && |
| 725 | al.map == machine->vmlinux_maps[MAP__FUNCTION] && |
Arnaldo Carvalho de Melo | 72b8fa1 | 2010-01-27 21:05:49 -0200 | [diff] [blame] | 726 | RB_EMPTY_ROOT(&al.map->dso->symbols[MAP__FUNCTION])) { |
Arnaldo Carvalho de Melo | e4a338d | 2011-05-27 13:42:16 -0300 | [diff] [blame] | 727 | if (symbol_conf.vmlinux_name) { |
| 728 | ui__warning("The %s file can't be used.\n%s", |
| 729 | symbol_conf.vmlinux_name, msg); |
| 730 | } else { |
| 731 | ui__warning("A vmlinux file was not found.\n%s", |
| 732 | msg); |
| 733 | } |
| 734 | |
| 735 | if (use_browser <= 0) |
| 736 | sleep(5); |
| 737 | vmlinux_warned = true; |
Arnaldo Carvalho de Melo | 72b8fa1 | 2010-01-27 21:05:49 -0200 | [diff] [blame] | 738 | } |
Arnaldo Carvalho de Melo | 72b8fa1 | 2010-01-27 21:05:49 -0200 | [diff] [blame] | 739 | } |
| 740 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 741 | if (al.sym == NULL || !al.sym->ignore) { |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 742 | struct hist_entry *he; |
Arnaldo Carvalho de Melo | 70db753 | 2011-01-12 22:39:13 -0200 | [diff] [blame] | 743 | |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 744 | if ((sort__has_parent || symbol_conf.use_callchain) && |
| 745 | sample->callchain) { |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 746 | err = machine__resolve_callchain(machine, evsel, al.thread, |
| 747 | sample->callchain, &parent); |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 748 | if (err) |
| 749 | return; |
| 750 | } |
| 751 | |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 752 | he = perf_evsel__add_hist_entry(evsel, &al, sample); |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 753 | if (he == NULL) { |
| 754 | pr_err("Problem incrementing symbol period, skipping event\n"); |
| 755 | return; |
Arnaldo Carvalho de Melo | 5807806 | 2011-03-01 10:43:03 -0300 | [diff] [blame] | 756 | } |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 757 | |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 758 | if (symbol_conf.use_callchain) { |
Arnaldo Carvalho de Melo | 246d4ce | 2011-11-11 23:10:26 -0200 | [diff] [blame] | 759 | err = callchain_append(he->callchain, &evsel->hists.callchain_cursor, |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 760 | sample->period); |
| 761 | if (err) |
| 762 | return; |
| 763 | } |
| 764 | |
| 765 | if (sort_has_symbols) |
| 766 | record_precise_ip(he, evsel->idx, ip); |
Arnaldo Carvalho de Melo | 5b2bb75 | 2009-10-26 19:23:19 -0200 | [diff] [blame] | 767 | } |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 768 | |
| 769 | return; |
Arnaldo Carvalho de Melo | 5b2bb75 | 2009-10-26 19:23:19 -0200 | [diff] [blame] | 770 | } |
| 771 | |
Arnaldo Carvalho de Melo | aece948 | 2011-05-15 09:39:00 -0300 | [diff] [blame] | 772 | static void perf_session__mmap_read_idx(struct perf_session *self, int idx) |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 773 | { |
Arnaldo Carvalho de Melo | 8d50e5b | 2011-01-29 13:02:00 -0200 | [diff] [blame] | 774 | struct perf_sample sample; |
Arnaldo Carvalho de Melo | 7b27509 | 2011-10-29 12:15:04 -0200 | [diff] [blame] | 775 | struct perf_evsel *evsel; |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 776 | union perf_event *event; |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 777 | struct machine *machine; |
| 778 | u8 origin; |
Frederic Weisbecker | 5538bec | 2011-05-22 02:17:22 +0200 | [diff] [blame] | 779 | int ret; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 780 | |
Arnaldo Carvalho de Melo | aece948 | 2011-05-15 09:39:00 -0300 | [diff] [blame] | 781 | while ((event = perf_evlist__mmap_read(top.evlist, idx)) != NULL) { |
Frederic Weisbecker | 5538bec | 2011-05-22 02:17:22 +0200 | [diff] [blame] | 782 | ret = perf_session__parse_sample(self, event, &sample); |
| 783 | if (ret) { |
| 784 | pr_err("Can't parse sample, err = %d\n", ret); |
| 785 | continue; |
| 786 | } |
Arnaldo Carvalho de Melo | 04391de | 2011-01-15 10:40:59 -0200 | [diff] [blame] | 787 | |
Arnaldo Carvalho de Melo | 7b27509 | 2011-10-29 12:15:04 -0200 | [diff] [blame] | 788 | evsel = perf_evlist__id2evsel(self->evlist, sample.id); |
| 789 | assert(evsel != NULL); |
| 790 | |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 791 | origin = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK; |
| 792 | |
Arnaldo Carvalho de Melo | 5b2bb75 | 2009-10-26 19:23:19 -0200 | [diff] [blame] | 793 | if (event->header.type == PERF_RECORD_SAMPLE) |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 794 | ++top.samples; |
| 795 | |
| 796 | switch (origin) { |
| 797 | case PERF_RECORD_MISC_USER: |
| 798 | ++top.us_samples; |
| 799 | if (top.hide_user_symbols) |
| 800 | continue; |
| 801 | machine = perf_session__find_host_machine(self); |
| 802 | break; |
| 803 | case PERF_RECORD_MISC_KERNEL: |
| 804 | ++top.kernel_samples; |
| 805 | if (top.hide_kernel_symbols) |
| 806 | continue; |
| 807 | machine = perf_session__find_host_machine(self); |
| 808 | break; |
| 809 | case PERF_RECORD_MISC_GUEST_KERNEL: |
| 810 | ++top.guest_kernel_samples; |
| 811 | machine = perf_session__find_machine(self, event->ip.pid); |
| 812 | break; |
| 813 | case PERF_RECORD_MISC_GUEST_USER: |
| 814 | ++top.guest_us_samples; |
| 815 | /* |
| 816 | * TODO: we don't process guest user from host side |
| 817 | * except simple counting. |
| 818 | */ |
| 819 | /* Fall thru */ |
| 820 | default: |
| 821 | continue; |
| 822 | } |
| 823 | |
| 824 | |
| 825 | if (event->header.type == PERF_RECORD_SAMPLE) |
| 826 | perf_event__process_sample(event, evsel, &sample, machine); |
Arnaldo Carvalho de Melo | 7b27509 | 2011-10-29 12:15:04 -0200 | [diff] [blame] | 827 | else if (event->header.type < PERF_RECORD_MAX) { |
| 828 | hists__inc_nr_events(&evsel->hists, event->header.type); |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame^] | 829 | perf_event__process(&top.tool, event, &sample, machine); |
Arnaldo Carvalho de Melo | 7b27509 | 2011-10-29 12:15:04 -0200 | [diff] [blame] | 830 | } else |
| 831 | ++self->hists.stats.nr_unknown_events; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 832 | } |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 833 | } |
| 834 | |
Arnaldo Carvalho de Melo | d8f6624 | 2009-12-13 19:50:24 -0200 | [diff] [blame] | 835 | static void perf_session__mmap_read(struct perf_session *self) |
Frederic Weisbecker | 2f01190 | 2009-06-06 23:10:43 +0200 | [diff] [blame] | 836 | { |
Arnaldo Carvalho de Melo | 70db753 | 2011-01-12 22:39:13 -0200 | [diff] [blame] | 837 | int i; |
Frederic Weisbecker | 2f01190 | 2009-06-06 23:10:43 +0200 | [diff] [blame] | 838 | |
Arnaldo Carvalho de Melo | aece948 | 2011-05-15 09:39:00 -0300 | [diff] [blame] | 839 | for (i = 0; i < top.evlist->nr_mmaps; i++) |
| 840 | perf_session__mmap_read_idx(self, i); |
Frederic Weisbecker | 2f01190 | 2009-06-06 23:10:43 +0200 | [diff] [blame] | 841 | } |
| 842 | |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 843 | static void start_counters(struct perf_evlist *evlist) |
| 844 | { |
Arnaldo Carvalho de Melo | 727ab04 | 2011-10-25 10:42:19 -0200 | [diff] [blame] | 845 | struct perf_evsel *counter, *first; |
| 846 | |
| 847 | first = list_entry(evlist->entries.next, struct perf_evsel, node); |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 848 | |
| 849 | list_for_each_entry(counter, &evlist->entries, node) { |
| 850 | struct perf_event_attr *attr = &counter->attr; |
Arnaldo Carvalho de Melo | 727ab04 | 2011-10-25 10:42:19 -0200 | [diff] [blame] | 851 | struct xyarray *group_fd = NULL; |
| 852 | |
| 853 | if (group && counter != first) |
| 854 | group_fd = first->fd; |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 855 | |
| 856 | attr->sample_type = PERF_SAMPLE_IP | PERF_SAMPLE_TID; |
| 857 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 858 | if (top.freq) { |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 859 | attr->sample_type |= PERF_SAMPLE_PERIOD; |
| 860 | attr->freq = 1; |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 861 | attr->sample_freq = top.freq; |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 862 | } |
| 863 | |
Arnaldo Carvalho de Melo | 70db753 | 2011-01-12 22:39:13 -0200 | [diff] [blame] | 864 | if (evlist->nr_entries > 1) { |
| 865 | attr->sample_type |= PERF_SAMPLE_ID; |
| 866 | attr->read_format |= PERF_FORMAT_ID; |
| 867 | } |
| 868 | |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 869 | if (symbol_conf.use_callchain) |
| 870 | attr->sample_type |= PERF_SAMPLE_CALLCHAIN; |
| 871 | |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 872 | attr->mmap = 1; |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 873 | attr->comm = 1; |
Arnaldo Carvalho de Melo | 5d2cd90 | 2011-04-14 11:20:14 -0300 | [diff] [blame] | 874 | attr->inherit = inherit; |
Arnaldo Carvalho de Melo | 7b27509 | 2011-10-29 12:15:04 -0200 | [diff] [blame] | 875 | retry_sample_id: |
| 876 | attr->sample_id_all = sample_id_all_avail ? 1 : 0; |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 877 | try_again: |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 878 | if (perf_evsel__open(counter, top.evlist->cpus, |
Arnaldo Carvalho de Melo | 727ab04 | 2011-10-25 10:42:19 -0200 | [diff] [blame] | 879 | top.evlist->threads, group, |
| 880 | group_fd) < 0) { |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 881 | int err = errno; |
| 882 | |
Arnaldo Carvalho de Melo | c286c41 | 2011-03-28 09:50:11 -0300 | [diff] [blame] | 883 | if (err == EPERM || err == EACCES) { |
Arnaldo Carvalho de Melo | b8631e6 | 2011-10-26 08:02:55 -0200 | [diff] [blame] | 884 | ui__error_paranoid(); |
Arnaldo Carvalho de Melo | c286c41 | 2011-03-28 09:50:11 -0300 | [diff] [blame] | 885 | goto out_err; |
Arnaldo Carvalho de Melo | 7b27509 | 2011-10-29 12:15:04 -0200 | [diff] [blame] | 886 | } else if (err == EINVAL && sample_id_all_avail) { |
| 887 | /* |
| 888 | * Old kernel, no attr->sample_id_type_all field |
| 889 | */ |
| 890 | sample_id_all_avail = false; |
| 891 | goto retry_sample_id; |
Arnaldo Carvalho de Melo | c286c41 | 2011-03-28 09:50:11 -0300 | [diff] [blame] | 892 | } |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 893 | /* |
| 894 | * If it's cycles then fall back to hrtimer |
| 895 | * based cpu-clock-tick sw counter, which |
| 896 | * is always available even if no PMU support: |
| 897 | */ |
| 898 | if (attr->type == PERF_TYPE_HARDWARE && |
| 899 | attr->config == PERF_COUNT_HW_CPU_CYCLES) { |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 900 | if (verbose) |
Arnaldo Carvalho de Melo | c286c41 | 2011-03-28 09:50:11 -0300 | [diff] [blame] | 901 | ui__warning("Cycles event not supported,\n" |
| 902 | "trying to fall back to cpu-clock-ticks\n"); |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 903 | |
| 904 | attr->type = PERF_TYPE_SOFTWARE; |
| 905 | attr->config = PERF_COUNT_SW_CPU_CLOCK; |
| 906 | goto try_again; |
| 907 | } |
Arnaldo Carvalho de Melo | c286c41 | 2011-03-28 09:50:11 -0300 | [diff] [blame] | 908 | |
David Ahern | ca6a425 | 2011-03-25 13:11:11 -0600 | [diff] [blame] | 909 | if (err == ENOENT) { |
| 910 | ui__warning("The %s event is not supported.\n", |
| 911 | event_name(counter)); |
| 912 | goto out_err; |
| 913 | } |
| 914 | |
Arnaldo Carvalho de Melo | c286c41 | 2011-03-28 09:50:11 -0300 | [diff] [blame] | 915 | ui__warning("The sys_perf_event_open() syscall " |
| 916 | "returned with %d (%s). /bin/dmesg " |
| 917 | "may provide additional information.\n" |
| 918 | "No CONFIG_PERF_EVENTS=y kernel support " |
| 919 | "configured?\n", err, strerror(err)); |
| 920 | goto out_err; |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 921 | } |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 922 | } |
Arnaldo Carvalho de Melo | 70db753 | 2011-01-12 22:39:13 -0200 | [diff] [blame] | 923 | |
Arnaldo Carvalho de Melo | c286c41 | 2011-03-28 09:50:11 -0300 | [diff] [blame] | 924 | if (perf_evlist__mmap(evlist, mmap_pages, false) < 0) { |
| 925 | ui__warning("Failed to mmap with %d (%s)\n", |
| 926 | errno, strerror(errno)); |
| 927 | goto out_err; |
| 928 | } |
| 929 | |
| 930 | return; |
| 931 | |
| 932 | out_err: |
| 933 | exit_browser(0); |
| 934 | exit(0); |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 935 | } |
| 936 | |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 937 | static int setup_sample_type(void) |
| 938 | { |
| 939 | if (!sort_has_symbols) { |
| 940 | if (symbol_conf.use_callchain) { |
| 941 | ui__warning("Selected -g but \"sym\" not present in --sort/-s."); |
| 942 | return -EINVAL; |
| 943 | } |
| 944 | } else if (!dont_use_callchains && callchain_param.mode != CHAIN_NONE) { |
| 945 | if (callchain_register_param(&callchain_param) < 0) { |
| 946 | ui__warning("Can't register callchain params.\n"); |
| 947 | return -EINVAL; |
| 948 | } |
| 949 | } |
| 950 | |
| 951 | return 0; |
| 952 | } |
| 953 | |
Ingo Molnar | 716c69f | 2009-06-07 17:31:52 +0200 | [diff] [blame] | 954 | static int __cmd_top(void) |
| 955 | { |
| 956 | pthread_t thread; |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 957 | int ret; |
Arnaldo Carvalho de Melo | d8f6624 | 2009-12-13 19:50:24 -0200 | [diff] [blame] | 958 | /* |
Arnaldo Carvalho de Melo | b3165f4 | 2009-12-13 19:50:28 -0200 | [diff] [blame] | 959 | * FIXME: perf_session__new should allow passing a O_MMAP, so that all this |
| 960 | * 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] | 961 | */ |
Arnaldo Carvalho de Melo | dcc101d | 2011-09-01 14:27:58 -0300 | [diff] [blame] | 962 | top.session = perf_session__new(NULL, O_WRONLY, false, false, NULL); |
| 963 | if (top.session == NULL) |
Arnaldo Carvalho de Melo | b3165f4 | 2009-12-13 19:50:28 -0200 | [diff] [blame] | 964 | return -ENOMEM; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 965 | |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 966 | ret = setup_sample_type(); |
| 967 | if (ret) |
| 968 | goto out_delete; |
| 969 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 970 | if (top.target_tid != -1) |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame^] | 971 | perf_event__synthesize_thread_map(&top.tool, top.evlist->threads, |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 972 | perf_event__process, |
| 973 | &top.session->host_machine); |
Arnaldo Carvalho de Melo | 5b2bb75 | 2009-10-26 19:23:19 -0200 | [diff] [blame] | 974 | else |
Arnaldo Carvalho de Melo | 45694aa | 2011-11-28 08:30:20 -0200 | [diff] [blame^] | 975 | perf_event__synthesize_threads(&top.tool, perf_event__process, |
Arnaldo Carvalho de Melo | 743eb86 | 2011-11-28 07:56:39 -0200 | [diff] [blame] | 976 | &top.session->host_machine); |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 977 | start_counters(top.evlist); |
Arnaldo Carvalho de Melo | dcc101d | 2011-09-01 14:27:58 -0300 | [diff] [blame] | 978 | top.session->evlist = top.evlist; |
| 979 | perf_session__update_sample_type(top.session); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 980 | |
Frederic Weisbecker | 2f01190 | 2009-06-06 23:10:43 +0200 | [diff] [blame] | 981 | /* Wait for a minimal set of events before starting the snapshot */ |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 982 | poll(top.evlist->pollfd, top.evlist->nr_fds, 100); |
Frederic Weisbecker | 2f01190 | 2009-06-06 23:10:43 +0200 | [diff] [blame] | 983 | |
Arnaldo Carvalho de Melo | dcc101d | 2011-09-01 14:27:58 -0300 | [diff] [blame] | 984 | perf_session__mmap_read(top.session); |
Frederic Weisbecker | 2f01190 | 2009-06-06 23:10:43 +0200 | [diff] [blame] | 985 | |
Arnaldo Carvalho de Melo | c0443df | 2011-01-31 18:19:33 -0200 | [diff] [blame] | 986 | if (pthread_create(&thread, NULL, (use_browser > 0 ? display_thread_tui : |
Arnaldo Carvalho de Melo | dcc101d | 2011-09-01 14:27:58 -0300 | [diff] [blame] | 987 | display_thread), NULL)) { |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 988 | printf("Could not create display thread.\n"); |
| 989 | exit(-1); |
| 990 | } |
| 991 | |
| 992 | if (realtime_prio) { |
| 993 | struct sched_param param; |
| 994 | |
| 995 | param.sched_priority = realtime_prio; |
| 996 | if (sched_setscheduler(0, SCHED_FIFO, ¶m)) { |
| 997 | printf("Could not set realtime priority.\n"); |
| 998 | exit(-1); |
| 999 | } |
| 1000 | } |
| 1001 | |
| 1002 | while (1) { |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1003 | u64 hits = top.samples; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 1004 | |
Arnaldo Carvalho de Melo | dcc101d | 2011-09-01 14:27:58 -0300 | [diff] [blame] | 1005 | perf_session__mmap_read(top.session); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 1006 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1007 | if (hits == top.samples) |
| 1008 | ret = poll(top.evlist->pollfd, top.evlist->nr_fds, 100); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 1009 | } |
| 1010 | |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 1011 | out_delete: |
| 1012 | perf_session__delete(top.session); |
| 1013 | top.session = NULL; |
| 1014 | |
| 1015 | return 0; |
| 1016 | } |
| 1017 | |
| 1018 | static int |
| 1019 | parse_callchain_opt(const struct option *opt __used, const char *arg, |
| 1020 | int unset) |
| 1021 | { |
| 1022 | char *tok, *tok2; |
| 1023 | char *endptr; |
| 1024 | |
| 1025 | /* |
| 1026 | * --no-call-graph |
| 1027 | */ |
| 1028 | if (unset) { |
| 1029 | dont_use_callchains = true; |
| 1030 | return 0; |
| 1031 | } |
| 1032 | |
| 1033 | symbol_conf.use_callchain = true; |
| 1034 | |
| 1035 | if (!arg) |
| 1036 | return 0; |
| 1037 | |
| 1038 | tok = strtok((char *)arg, ","); |
| 1039 | if (!tok) |
| 1040 | return -1; |
| 1041 | |
| 1042 | /* get the output mode */ |
| 1043 | if (!strncmp(tok, "graph", strlen(arg))) |
| 1044 | callchain_param.mode = CHAIN_GRAPH_ABS; |
| 1045 | |
| 1046 | else if (!strncmp(tok, "flat", strlen(arg))) |
| 1047 | callchain_param.mode = CHAIN_FLAT; |
| 1048 | |
| 1049 | else if (!strncmp(tok, "fractal", strlen(arg))) |
| 1050 | callchain_param.mode = CHAIN_GRAPH_REL; |
| 1051 | |
| 1052 | else if (!strncmp(tok, "none", strlen(arg))) { |
| 1053 | callchain_param.mode = CHAIN_NONE; |
| 1054 | symbol_conf.use_callchain = false; |
| 1055 | |
| 1056 | return 0; |
| 1057 | } |
| 1058 | |
| 1059 | else |
| 1060 | return -1; |
| 1061 | |
| 1062 | /* get the min percentage */ |
| 1063 | tok = strtok(NULL, ","); |
| 1064 | if (!tok) |
| 1065 | goto setup; |
| 1066 | |
| 1067 | callchain_param.min_percent = strtod(tok, &endptr); |
| 1068 | if (tok == endptr) |
| 1069 | return -1; |
| 1070 | |
| 1071 | /* get the print limit */ |
| 1072 | tok2 = strtok(NULL, ","); |
| 1073 | if (!tok2) |
| 1074 | goto setup; |
| 1075 | |
| 1076 | if (tok2[0] != 'c') { |
| 1077 | callchain_param.print_limit = strtod(tok2, &endptr); |
| 1078 | tok2 = strtok(NULL, ","); |
| 1079 | if (!tok2) |
| 1080 | goto setup; |
| 1081 | } |
| 1082 | |
| 1083 | /* get the call chain order */ |
| 1084 | if (!strcmp(tok2, "caller")) |
| 1085 | callchain_param.order = ORDER_CALLER; |
| 1086 | else if (!strcmp(tok2, "callee")) |
| 1087 | callchain_param.order = ORDER_CALLEE; |
| 1088 | else |
| 1089 | return -1; |
| 1090 | setup: |
| 1091 | if (callchain_register_param(&callchain_param) < 0) { |
| 1092 | fprintf(stderr, "Can't register callchain params\n"); |
| 1093 | return -1; |
| 1094 | } |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 1095 | return 0; |
| 1096 | } |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1097 | |
| 1098 | static const char * const top_usage[] = { |
| 1099 | "perf top [<options>]", |
| 1100 | NULL |
| 1101 | }; |
| 1102 | |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1103 | static const struct option options[] = { |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1104 | OPT_CALLBACK('e', "event", &top.evlist, "event", |
Thomas Gleixner | 86847b6 | 2009-06-06 12:24:17 +0200 | [diff] [blame] | 1105 | "event selector. use 'perf list' to list available events", |
Jiri Olsa | f120f9d | 2011-07-14 11:25:32 +0200 | [diff] [blame] | 1106 | parse_events_option), |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1107 | OPT_INTEGER('c', "count", &default_interval, |
| 1108 | "event period to sample"), |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1109 | OPT_INTEGER('p', "pid", &top.target_pid, |
Zhang, Yanmin | d6d901c | 2010-03-18 11:36:05 -0300 | [diff] [blame] | 1110 | "profile events on existing process id"), |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1111 | OPT_INTEGER('t', "tid", &top.target_tid, |
Zhang, Yanmin | d6d901c | 2010-03-18 11:36:05 -0300 | [diff] [blame] | 1112 | "profile events on existing thread id"), |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1113 | OPT_BOOLEAN('a', "all-cpus", &system_wide, |
| 1114 | "system-wide collection from all CPUs"), |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1115 | OPT_STRING('C', "cpu", &top.cpu_list, "cpu", |
Stephane Eranian | c45c6ea | 2010-05-28 12:00:01 +0200 | [diff] [blame] | 1116 | "list of cpus to monitor"), |
Arnaldo Carvalho de Melo | b32d133 | 2009-11-24 12:05:15 -0200 | [diff] [blame] | 1117 | OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, |
| 1118 | "file", "vmlinux pathname"), |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1119 | OPT_BOOLEAN('K', "hide_kernel_symbols", &top.hide_kernel_symbols, |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 1120 | "hide kernel symbols"), |
Arnaldo Carvalho de Melo | 1967936 | 2010-05-17 15:39:16 -0300 | [diff] [blame] | 1121 | OPT_UINTEGER('m', "mmap-pages", &mmap_pages, "number of mmap data pages"), |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1122 | OPT_INTEGER('r', "realtime", &realtime_prio, |
| 1123 | "collect data with this RT SCHED_FIFO priority"), |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1124 | OPT_INTEGER('d', "delay", &top.delay_secs, |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1125 | "number of seconds to delay between refreshes"), |
| 1126 | OPT_BOOLEAN('D', "dump-symtab", &dump_symtab, |
| 1127 | "dump the symbol table used for profiling"), |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1128 | OPT_INTEGER('f', "count-filter", &top.count_filter, |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1129 | "only display functions with more events than this"), |
| 1130 | OPT_BOOLEAN('g', "group", &group, |
| 1131 | "put the counters into a counter group"), |
Mike Galbraith | 0fdc7e6 | 2009-07-21 10:30:36 +0200 | [diff] [blame] | 1132 | OPT_BOOLEAN('i', "inherit", &inherit, |
| 1133 | "child tasks inherit counters"), |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 1134 | OPT_STRING(0, "sym-annotate", &sym_filter, "symbol name", |
Kirill Smelkov | 6cff0e8 | 2010-02-03 16:52:08 -0200 | [diff] [blame] | 1135 | "symbol to annotate"), |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1136 | OPT_BOOLEAN('z', "zero", &top.zero, |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1137 | "zero history across updates"), |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1138 | OPT_INTEGER('F', "freq", &top.freq, |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1139 | "profile at this frequency"), |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1140 | OPT_INTEGER('E', "entries", &top.print_entries, |
Ingo Molnar | 6e53cdf | 2009-06-04 08:53:05 +0200 | [diff] [blame] | 1141 | "display this many functions"), |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1142 | OPT_BOOLEAN('U', "hide_user_symbols", &top.hide_user_symbols, |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 1143 | "hide user symbols"), |
Arnaldo Carvalho de Melo | c0443df | 2011-01-31 18:19:33 -0200 | [diff] [blame] | 1144 | OPT_BOOLEAN(0, "tui", &use_tui, "Use the TUI interface"), |
| 1145 | OPT_BOOLEAN(0, "stdio", &use_stdio, "Use the stdio interface"), |
Ian Munsie | c055564 | 2010-04-13 18:37:33 +1000 | [diff] [blame] | 1146 | OPT_INCR('v', "verbose", &verbose, |
Ingo Molnar | 3da297a | 2009-06-07 17:39:02 +0200 | [diff] [blame] | 1147 | "be more verbose (show counter open errors, etc)"), |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 1148 | OPT_STRING('s', "sort", &sort_order, "key[,key2...]", |
| 1149 | "sort by key(s): pid, comm, dso, symbol, parent"), |
| 1150 | OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples, |
| 1151 | "Show a column with the number of samples"), |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 1152 | OPT_CALLBACK_DEFAULT('G', "call-graph", NULL, "output_type,min_percent, call_order", |
| 1153 | "Display callchains using output_type (graph, flat, fractal, or none), min percent threshold and callchain order. " |
| 1154 | "Default: fractal,0.5,callee", &parse_callchain_opt, |
| 1155 | callchain_default_opt), |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 1156 | OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period, |
| 1157 | "Show a column with the sum of periods"), |
| 1158 | OPT_STRING(0, "dsos", &symbol_conf.dso_list_str, "dso[,dso...]", |
| 1159 | "only consider symbols in these dsos"), |
| 1160 | OPT_STRING(0, "comms", &symbol_conf.comm_list_str, "comm[,comm...]", |
| 1161 | "only consider symbols in these comms"), |
| 1162 | OPT_STRING(0, "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", |
| 1163 | "only consider these symbols"), |
Arnaldo Carvalho de Melo | 64c6f0c | 2011-10-06 12:48:31 -0300 | [diff] [blame] | 1164 | OPT_BOOLEAN(0, "source", &symbol_conf.annotate_src, |
| 1165 | "Interleave source code with assembly code (default)"), |
| 1166 | OPT_BOOLEAN(0, "asm-raw", &symbol_conf.annotate_asm_raw, |
| 1167 | "Display raw encoding of assembly instructions (default)"), |
| 1168 | OPT_STRING('M', "disassembler-style", &disassembler_style, "disassembler style", |
| 1169 | "Specify disassembler style (e.g. -M intel for intel syntax)"), |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1170 | OPT_END() |
| 1171 | }; |
| 1172 | |
Ingo Molnar | f37a291 | 2009-07-01 12:37:06 +0200 | [diff] [blame] | 1173 | int cmd_top(int argc, const char **argv, const char *prefix __used) |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1174 | { |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 1175 | struct perf_evsel *pos; |
| 1176 | int status = -ENOMEM; |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1177 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1178 | top.evlist = perf_evlist__new(NULL, NULL); |
| 1179 | if (top.evlist == NULL) |
Arnaldo Carvalho de Melo | 361c99a | 2011-01-11 20:56:53 -0200 | [diff] [blame] | 1180 | return -ENOMEM; |
| 1181 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 1182 | symbol_conf.exclude_other = false; |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1183 | |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1184 | argc = parse_options(argc, argv, options, top_usage, 0); |
| 1185 | if (argc) |
| 1186 | usage_with_options(top_usage, options); |
| 1187 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 1188 | if (sort_order == default_sort_order) |
| 1189 | sort_order = "dso,symbol"; |
| 1190 | |
| 1191 | setup_sorting(top_usage, options); |
| 1192 | |
Arnaldo Carvalho de Melo | c0443df | 2011-01-31 18:19:33 -0200 | [diff] [blame] | 1193 | if (use_stdio) |
| 1194 | use_browser = 0; |
| 1195 | else if (use_tui) |
| 1196 | use_browser = 1; |
| 1197 | |
| 1198 | setup_browser(false); |
| 1199 | |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1200 | /* CPU and PID are mutually exclusive */ |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1201 | if (top.target_tid > 0 && top.cpu_list) { |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1202 | printf("WARNING: PID switch overriding CPU\n"); |
| 1203 | sleep(1); |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1204 | top.cpu_list = NULL; |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1205 | } |
| 1206 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1207 | if (top.target_pid != -1) |
| 1208 | top.target_tid = top.target_pid; |
Arnaldo Carvalho de Melo | 7e2ed09 | 2011-01-30 11:59:43 -0200 | [diff] [blame] | 1209 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1210 | if (perf_evlist__create_maps(top.evlist, top.target_pid, |
| 1211 | top.target_tid, top.cpu_list) < 0) |
Arnaldo Carvalho de Melo | 7e2ed09 | 2011-01-30 11:59:43 -0200 | [diff] [blame] | 1212 | usage_with_options(top_usage, options); |
| 1213 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1214 | if (!top.evlist->nr_entries && |
| 1215 | perf_evlist__add_default(top.evlist) < 0) { |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 1216 | pr_err("Not enough memory for event selector list\n"); |
| 1217 | return -ENOMEM; |
| 1218 | } |
Arnaldo Carvalho de Melo | 5a8e5a3 | 2009-11-17 18:38:01 -0200 | [diff] [blame] | 1219 | |
Arnaldo Carvalho de Melo | d04b35f | 2011-11-11 22:17:32 -0200 | [diff] [blame] | 1220 | symbol_conf.nr_events = top.evlist->nr_entries; |
| 1221 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1222 | if (top.delay_secs < 1) |
| 1223 | top.delay_secs = 1; |
Frederic Weisbecker | 2f335a0 | 2009-06-05 19:31:01 +0200 | [diff] [blame] | 1224 | |
Mike Galbraith | 7e4ff9e | 2009-10-12 07:56:03 +0200 | [diff] [blame] | 1225 | /* |
| 1226 | * User specified count overrides default frequency. |
| 1227 | */ |
| 1228 | if (default_interval) |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1229 | top.freq = 0; |
| 1230 | else if (top.freq) { |
| 1231 | default_interval = top.freq; |
Mike Galbraith | 7e4ff9e | 2009-10-12 07:56:03 +0200 | [diff] [blame] | 1232 | } else { |
| 1233 | fprintf(stderr, "frequency and count are zero, aborting\n"); |
| 1234 | exit(EXIT_FAILURE); |
| 1235 | } |
| 1236 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1237 | list_for_each_entry(pos, &top.evlist->entries, node) { |
| 1238 | if (perf_evsel__alloc_fd(pos, top.evlist->cpus->nr, |
| 1239 | top.evlist->threads->nr) < 0) |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 1240 | goto out_free_fd; |
| 1241 | /* |
| 1242 | * Fill in the ones not specifically initialized via -c: |
| 1243 | */ |
| 1244 | if (pos->attr.sample_period) |
| 1245 | continue; |
| 1246 | |
| 1247 | pos->attr.sample_period = default_interval; |
| 1248 | } |
| 1249 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1250 | if (perf_evlist__alloc_pollfd(top.evlist) < 0 || |
| 1251 | perf_evlist__alloc_mmap(top.evlist) < 0) |
Arnaldo Carvalho de Melo | 5c58104 | 2011-01-11 22:30:02 -0200 | [diff] [blame] | 1252 | goto out_free_fd; |
| 1253 | |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1254 | 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] | 1255 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 1256 | symbol_conf.priv_size = sizeof(struct annotation); |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 1257 | |
| 1258 | symbol_conf.try_vmlinux_path = (symbol_conf.vmlinux_name == NULL); |
| 1259 | if (symbol__init() < 0) |
| 1260 | return -1; |
| 1261 | |
Arnaldo Carvalho de Melo | ab81f3f | 2011-10-05 19:16:15 -0300 | [diff] [blame] | 1262 | sort_entry__setup_elide(&sort_dso, symbol_conf.dso_list, "dso", stdout); |
| 1263 | sort_entry__setup_elide(&sort_comm, symbol_conf.comm_list, "comm", stdout); |
| 1264 | sort_entry__setup_elide(&sort_sym, symbol_conf.sym_list, "symbol", stdout); |
| 1265 | |
Arnaldo Carvalho de Melo | 19d4ac3 | 2011-10-05 19:30:22 -0300 | [diff] [blame] | 1266 | /* |
| 1267 | * Avoid annotation data structures overhead when symbols aren't on the |
| 1268 | * sort list. |
| 1269 | */ |
| 1270 | sort_has_symbols = sort_sym.list.next != NULL; |
| 1271 | |
Arnaldo Carvalho de Melo | 13cc507 | 2009-11-17 15:40:54 -0200 | [diff] [blame] | 1272 | get_term_dimensions(&winsize); |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1273 | if (top.print_entries == 0) { |
Arnaldo Carvalho de Melo | 13cc507 | 2009-11-17 15:40:54 -0200 | [diff] [blame] | 1274 | update_print_entries(&winsize); |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 1275 | signal(SIGWINCH, sig_winch_handler); |
| 1276 | } |
| 1277 | |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 1278 | status = __cmd_top(); |
| 1279 | out_free_fd: |
Arnaldo Carvalho de Melo | 8c3e10e | 2011-01-31 14:50:39 -0200 | [diff] [blame] | 1280 | perf_evlist__delete(top.evlist); |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 1281 | |
| 1282 | return status; |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1283 | } |