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> |
| 8 | * |
| 9 | * Improvements and fixes by: |
| 10 | * |
| 11 | * Arjan van de Ven <arjan@linux.intel.com> |
| 12 | * Yanmin Zhang <yanmin.zhang@intel.com> |
| 13 | * Wu Fengguang <fengguang.wu@intel.com> |
| 14 | * Mike Galbraith <efault@gmx.de> |
| 15 | * Paul Mackerras <paulus@samba.org> |
| 16 | * |
| 17 | * Released under the GPL v2. (and only v2, not any later version) |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 18 | */ |
Ingo Molnar | bf9e187 | 2009-06-02 23:37:05 +0200 | [diff] [blame] | 19 | #include "builtin.h" |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 20 | |
Peter Zijlstra | 1a482f3 | 2009-05-23 18:28:58 +0200 | [diff] [blame] | 21 | #include "perf.h" |
Ingo Molnar | bf9e187 | 2009-06-02 23:37:05 +0200 | [diff] [blame] | 22 | |
Ingo Molnar | 8fc0321 | 2009-06-04 15:19:47 +0200 | [diff] [blame] | 23 | #include "util/color.h" |
Arnaldo Carvalho de Melo | 361c99a | 2011-01-11 20:56:53 -0200 | [diff] [blame] | 24 | #include "util/evlist.h" |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 25 | #include "util/evsel.h" |
Arnaldo Carvalho de Melo | b3165f4 | 2009-12-13 19:50:28 -0200 | [diff] [blame] | 26 | #include "util/session.h" |
| 27 | #include "util/symbol.h" |
Arnaldo Carvalho de Melo | 439d473 | 2009-10-02 03:29:58 -0300 | [diff] [blame] | 28 | #include "util/thread.h" |
Arnaldo Carvalho de Melo | fd78260 | 2011-01-18 15:15:24 -0200 | [diff] [blame] | 29 | #include "util/thread_map.h" |
Ingo Molnar | 148be2c | 2009-04-27 08:02:14 +0200 | [diff] [blame] | 30 | #include "util/util.h" |
Arnaldo Carvalho de Melo | 43cbcd8 | 2009-07-01 12:28:37 -0300 | [diff] [blame] | 31 | #include <linux/rbtree.h> |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 32 | #include "util/parse-options.h" |
| 33 | #include "util/parse-events.h" |
Paul Mackerras | a12b51c | 2010-03-10 20:36:09 +1100 | [diff] [blame] | 34 | #include "util/cpumap.h" |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 35 | #include "util/xyarray.h" |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 36 | |
Frederic Weisbecker | 8f28827a | 2009-08-16 22:05:48 +0200 | [diff] [blame] | 37 | #include "util/debug.h" |
| 38 | |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 39 | #include <assert.h> |
| 40 | #include <fcntl.h> |
Ingo Molnar | 0e9b20b | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 41 | |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 42 | #include <stdio.h> |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 43 | #include <termios.h> |
| 44 | #include <unistd.h> |
Arnaldo Carvalho de Melo | 9486aa3 | 2011-01-22 20:37:02 -0200 | [diff] [blame] | 45 | #include <inttypes.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 <errno.h> |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 48 | #include <time.h> |
| 49 | #include <sched.h> |
| 50 | #include <pthread.h> |
| 51 | |
| 52 | #include <sys/syscall.h> |
| 53 | #include <sys/ioctl.h> |
| 54 | #include <sys/poll.h> |
| 55 | #include <sys/prctl.h> |
| 56 | #include <sys/wait.h> |
| 57 | #include <sys/uio.h> |
| 58 | #include <sys/mman.h> |
| 59 | |
| 60 | #include <linux/unistd.h> |
| 61 | #include <linux/types.h> |
| 62 | |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 63 | #define FD(e, x, y) (*(int *)xyarray__entry(e->fd, x, y)) |
Ingo Molnar | a21ca2c | 2009-06-06 09:58:57 +0200 | [diff] [blame] | 64 | |
Arnaldo Carvalho de Melo | 361c99a | 2011-01-11 20:56:53 -0200 | [diff] [blame] | 65 | struct perf_evlist *evsel_list; |
| 66 | |
Ian Munsie | c055564 | 2010-04-13 18:37:33 +1000 | [diff] [blame] | 67 | static bool system_wide = false; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 68 | |
Mike Galbraith | 7e4ff9e | 2009-10-12 07:56:03 +0200 | [diff] [blame] | 69 | static int default_interval = 0; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 70 | |
Ingo Molnar | 42e59d7 | 2009-10-06 15:14:21 +0200 | [diff] [blame] | 71 | static int count_filter = 5; |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 72 | static int print_entries; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 73 | |
Ingo Molnar | 42e59d7 | 2009-10-06 15:14:21 +0200 | [diff] [blame] | 74 | static int target_pid = -1; |
Zhang, Yanmin | d6d901c | 2010-03-18 11:36:05 -0300 | [diff] [blame] | 75 | static int target_tid = -1; |
Arnaldo Carvalho de Melo | 5c98d466 | 2011-01-03 17:53:33 -0200 | [diff] [blame] | 76 | static struct thread_map *threads; |
Ian Munsie | c055564 | 2010-04-13 18:37:33 +1000 | [diff] [blame] | 77 | static bool inherit = false; |
Arnaldo Carvalho de Melo | 60d567e | 2011-01-03 17:49:48 -0200 | [diff] [blame] | 78 | static struct cpu_map *cpus; |
Arnaldo Carvalho de Melo | 1967936 | 2010-05-17 15:39:16 -0300 | [diff] [blame] | 79 | static int realtime_prio = 0; |
Ian Munsie | c055564 | 2010-04-13 18:37:33 +1000 | [diff] [blame] | 80 | static bool group = false; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 81 | static unsigned int page_size; |
Arnaldo Carvalho de Melo | 70db753 | 2011-01-12 22:39:13 -0200 | [diff] [blame] | 82 | static unsigned int mmap_pages = 128; |
Ingo Molnar | 42e59d7 | 2009-10-06 15:14:21 +0200 | [diff] [blame] | 83 | static int freq = 1000; /* 1 KHz */ |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 84 | |
Ingo Molnar | 42e59d7 | 2009-10-06 15:14:21 +0200 | [diff] [blame] | 85 | static int delay_secs = 2; |
Ian Munsie | c055564 | 2010-04-13 18:37:33 +1000 | [diff] [blame] | 86 | static bool zero = false; |
| 87 | static bool dump_symtab = false; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 88 | |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 89 | static bool hide_kernel_symbols = false; |
| 90 | static bool hide_user_symbols = false; |
Arnaldo Carvalho de Melo | 13cc507 | 2009-11-17 15:40:54 -0200 | [diff] [blame] | 91 | static struct winsize winsize; |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 92 | |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 93 | /* |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 94 | * Source |
| 95 | */ |
| 96 | |
| 97 | struct source_line { |
| 98 | u64 eip; |
| 99 | unsigned long count[MAX_COUNTERS]; |
| 100 | char *line; |
| 101 | struct source_line *next; |
| 102 | }; |
| 103 | |
Arnaldo Carvalho de Melo | edb7c60 | 2010-05-17 16:22:41 -0300 | [diff] [blame] | 104 | static const char *sym_filter = NULL; |
Ingo Molnar | 42e59d7 | 2009-10-06 15:14:21 +0200 | [diff] [blame] | 105 | struct sym_entry *sym_filter_entry = NULL; |
Kirill Smelkov | 6cff0e8 | 2010-02-03 16:52:08 -0200 | [diff] [blame] | 106 | struct sym_entry *sym_filter_entry_sched = NULL; |
Ingo Molnar | 42e59d7 | 2009-10-06 15:14:21 +0200 | [diff] [blame] | 107 | static int sym_pcnt_filter = 5; |
| 108 | static int sym_counter = 0; |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 109 | static struct perf_evsel *sym_evsel = NULL; |
Ingo Molnar | 42e59d7 | 2009-10-06 15:14:21 +0200 | [diff] [blame] | 110 | static int display_weighted = -1; |
Stephane Eranian | c45c6ea | 2010-05-28 12:00:01 +0200 | [diff] [blame] | 111 | static const char *cpu_list; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 112 | |
| 113 | /* |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 114 | * Symbols |
| 115 | */ |
| 116 | |
Arnaldo Carvalho de Melo | b269876 | 2009-11-17 18:38:02 -0200 | [diff] [blame] | 117 | struct sym_entry_source { |
| 118 | struct source_line *source; |
| 119 | struct source_line *lines; |
| 120 | struct source_line **lines_tail; |
| 121 | pthread_mutex_t lock; |
| 122 | }; |
| 123 | |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 124 | struct sym_entry { |
Arnaldo Carvalho de Melo | de04687 | 2009-05-28 14:55:41 -0300 | [diff] [blame] | 125 | struct rb_node rb_node; |
| 126 | struct list_head node; |
Arnaldo Carvalho de Melo | c44613a | 2009-05-29 17:03:07 -0300 | [diff] [blame] | 127 | unsigned long snap_count; |
| 128 | double weight; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 129 | int skip; |
Arnaldo Carvalho de Melo | 13cc507 | 2009-11-17 15:40:54 -0200 | [diff] [blame] | 130 | u16 name_len; |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 131 | u8 origin; |
Arnaldo Carvalho de Melo | 439d473 | 2009-10-02 03:29:58 -0300 | [diff] [blame] | 132 | struct map *map; |
Arnaldo Carvalho de Melo | b269876 | 2009-11-17 18:38:02 -0200 | [diff] [blame] | 133 | struct sym_entry_source *src; |
Arnaldo Carvalho de Melo | 5a8e5a3 | 2009-11-17 18:38:01 -0200 | [diff] [blame] | 134 | unsigned long count[0]; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 135 | }; |
| 136 | |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 137 | /* |
| 138 | * Source functions |
| 139 | */ |
| 140 | |
Arnaldo Carvalho de Melo | 51a472d | 2009-11-17 18:38:00 -0200 | [diff] [blame] | 141 | static inline struct symbol *sym_entry__symbol(struct sym_entry *self) |
| 142 | { |
Arnaldo Carvalho de Melo | b32d133 | 2009-11-24 12:05:15 -0200 | [diff] [blame] | 143 | return ((void *)self) + symbol_conf.priv_size; |
Arnaldo Carvalho de Melo | 51a472d | 2009-11-17 18:38:00 -0200 | [diff] [blame] | 144 | } |
| 145 | |
Arnaldo Carvalho de Melo | 895f0ed | 2010-03-11 20:12:41 -0300 | [diff] [blame] | 146 | void get_term_dimensions(struct winsize *ws) |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 147 | { |
Arnaldo Carvalho de Melo | 13cc507 | 2009-11-17 15:40:54 -0200 | [diff] [blame] | 148 | char *s = getenv("LINES"); |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 149 | |
Arnaldo Carvalho de Melo | 13cc507 | 2009-11-17 15:40:54 -0200 | [diff] [blame] | 150 | if (s != NULL) { |
| 151 | ws->ws_row = atoi(s); |
| 152 | s = getenv("COLUMNS"); |
| 153 | if (s != NULL) { |
| 154 | ws->ws_col = atoi(s); |
| 155 | if (ws->ws_row && ws->ws_col) |
| 156 | return; |
| 157 | } |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 158 | } |
Arnaldo Carvalho de Melo | 13cc507 | 2009-11-17 15:40:54 -0200 | [diff] [blame] | 159 | #ifdef TIOCGWINSZ |
| 160 | if (ioctl(1, TIOCGWINSZ, ws) == 0 && |
| 161 | ws->ws_row && ws->ws_col) |
| 162 | return; |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 163 | #endif |
Arnaldo Carvalho de Melo | 13cc507 | 2009-11-17 15:40:54 -0200 | [diff] [blame] | 164 | ws->ws_row = 25; |
| 165 | ws->ws_col = 80; |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 166 | } |
| 167 | |
Arnaldo Carvalho de Melo | 13cc507 | 2009-11-17 15:40:54 -0200 | [diff] [blame] | 168 | static void update_print_entries(struct winsize *ws) |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 169 | { |
Arnaldo Carvalho de Melo | 13cc507 | 2009-11-17 15:40:54 -0200 | [diff] [blame] | 170 | print_entries = ws->ws_row; |
| 171 | |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 172 | if (print_entries > 9) |
| 173 | print_entries -= 9; |
| 174 | } |
| 175 | |
| 176 | static void sig_winch_handler(int sig __used) |
| 177 | { |
Arnaldo Carvalho de Melo | 13cc507 | 2009-11-17 15:40:54 -0200 | [diff] [blame] | 178 | get_term_dimensions(&winsize); |
| 179 | update_print_entries(&winsize); |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 180 | } |
| 181 | |
Arnaldo Carvalho de Melo | b0a9ab6 | 2010-03-15 11:46:58 -0300 | [diff] [blame] | 182 | static int parse_source(struct sym_entry *syme) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 183 | { |
| 184 | struct symbol *sym; |
Arnaldo Carvalho de Melo | b269876 | 2009-11-17 18:38:02 -0200 | [diff] [blame] | 185 | struct sym_entry_source *source; |
Arnaldo Carvalho de Melo | 439d473 | 2009-10-02 03:29:58 -0300 | [diff] [blame] | 186 | struct map *map; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 187 | FILE *file; |
Ingo Molnar | 83a0944 | 2009-08-15 12:26:57 +0200 | [diff] [blame] | 188 | char command[PATH_MAX*2]; |
Arnaldo Carvalho de Melo | 439d473 | 2009-10-02 03:29:58 -0300 | [diff] [blame] | 189 | const char *path; |
| 190 | u64 len; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 191 | |
| 192 | if (!syme) |
Arnaldo Carvalho de Melo | b0a9ab6 | 2010-03-15 11:46:58 -0300 | [diff] [blame] | 193 | return -1; |
| 194 | |
| 195 | sym = sym_entry__symbol(syme); |
| 196 | map = syme->map; |
| 197 | |
| 198 | /* |
| 199 | * We can't annotate with just /proc/kallsyms |
| 200 | */ |
| 201 | if (map->dso->origin == DSO__ORIG_KERNEL) |
| 202 | return -1; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 203 | |
Arnaldo Carvalho de Melo | b269876 | 2009-11-17 18:38:02 -0200 | [diff] [blame] | 204 | if (syme->src == NULL) { |
Arnaldo Carvalho de Melo | 3647948 | 2009-11-24 12:05:16 -0200 | [diff] [blame] | 205 | syme->src = zalloc(sizeof(*source)); |
Arnaldo Carvalho de Melo | b269876 | 2009-11-17 18:38:02 -0200 | [diff] [blame] | 206 | if (syme->src == NULL) |
Arnaldo Carvalho de Melo | b0a9ab6 | 2010-03-15 11:46:58 -0300 | [diff] [blame] | 207 | return -1; |
Arnaldo Carvalho de Melo | b269876 | 2009-11-17 18:38:02 -0200 | [diff] [blame] | 208 | pthread_mutex_init(&syme->src->lock, NULL); |
| 209 | } |
| 210 | |
| 211 | source = syme->src; |
| 212 | |
| 213 | if (source->lines) { |
| 214 | pthread_mutex_lock(&source->lock); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 215 | goto out_assign; |
| 216 | } |
Arnaldo Carvalho de Melo | 439d473 | 2009-10-02 03:29:58 -0300 | [diff] [blame] | 217 | path = map->dso->long_name; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 218 | |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 219 | len = sym->end - sym->start; |
| 220 | |
Arnaldo Carvalho de Melo | 439d473 | 2009-10-02 03:29:58 -0300 | [diff] [blame] | 221 | sprintf(command, |
Arnaldo Carvalho de Melo | 9486aa3 | 2011-01-22 20:37:02 -0200 | [diff] [blame] | 222 | "objdump --start-address=%#0*" PRIx64 " --stop-address=%#0*" PRIx64 " -dS %s", |
Arnaldo Carvalho de Melo | 5f48536 | 2010-02-07 11:46:16 -0200 | [diff] [blame] | 223 | BITS_PER_LONG / 4, map__rip_2objdump(map, sym->start), |
| 224 | BITS_PER_LONG / 4, map__rip_2objdump(map, sym->end), path); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 225 | |
| 226 | file = popen(command, "r"); |
| 227 | if (!file) |
Arnaldo Carvalho de Melo | b0a9ab6 | 2010-03-15 11:46:58 -0300 | [diff] [blame] | 228 | return -1; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 229 | |
Arnaldo Carvalho de Melo | b269876 | 2009-11-17 18:38:02 -0200 | [diff] [blame] | 230 | pthread_mutex_lock(&source->lock); |
| 231 | source->lines_tail = &source->lines; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 232 | while (!feof(file)) { |
| 233 | struct source_line *src; |
| 234 | size_t dummy = 0; |
Kirill Smelkov | ee11b90 | 2010-02-07 11:46:15 -0200 | [diff] [blame] | 235 | char *c, *sep; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 236 | |
| 237 | src = malloc(sizeof(struct source_line)); |
| 238 | assert(src != NULL); |
| 239 | memset(src, 0, sizeof(struct source_line)); |
| 240 | |
| 241 | if (getline(&src->line, &dummy, file) < 0) |
| 242 | break; |
| 243 | if (!src->line) |
| 244 | break; |
| 245 | |
| 246 | c = strchr(src->line, '\n'); |
| 247 | if (c) |
| 248 | *c = 0; |
| 249 | |
| 250 | src->next = NULL; |
Arnaldo Carvalho de Melo | b269876 | 2009-11-17 18:38:02 -0200 | [diff] [blame] | 251 | *source->lines_tail = src; |
| 252 | source->lines_tail = &src->next; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 253 | |
Kirill Smelkov | ee11b90 | 2010-02-07 11:46:15 -0200 | [diff] [blame] | 254 | src->eip = strtoull(src->line, &sep, 16); |
| 255 | if (*sep == ':') |
| 256 | src->eip = map__objdump_2ip(map, src->eip); |
| 257 | else /* this line has no ip info (e.g. source line) */ |
| 258 | src->eip = 0; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 259 | } |
| 260 | pclose(file); |
| 261 | out_assign: |
| 262 | sym_filter_entry = syme; |
Arnaldo Carvalho de Melo | b269876 | 2009-11-17 18:38:02 -0200 | [diff] [blame] | 263 | pthread_mutex_unlock(&source->lock); |
Arnaldo Carvalho de Melo | b0a9ab6 | 2010-03-15 11:46:58 -0300 | [diff] [blame] | 264 | return 0; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 265 | } |
| 266 | |
| 267 | static void __zero_source_counters(struct sym_entry *syme) |
| 268 | { |
| 269 | int i; |
| 270 | struct source_line *line; |
| 271 | |
Arnaldo Carvalho de Melo | b269876 | 2009-11-17 18:38:02 -0200 | [diff] [blame] | 272 | line = syme->src->lines; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 273 | while (line) { |
Arnaldo Carvalho de Melo | 361c99a | 2011-01-11 20:56:53 -0200 | [diff] [blame] | 274 | for (i = 0; i < evsel_list->nr_entries; i++) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 275 | line->count[i] = 0; |
| 276 | line = line->next; |
| 277 | } |
| 278 | } |
| 279 | |
| 280 | static void record_precise_ip(struct sym_entry *syme, int counter, u64 ip) |
| 281 | { |
| 282 | struct source_line *line; |
| 283 | |
| 284 | if (syme != sym_filter_entry) |
| 285 | return; |
| 286 | |
Arnaldo Carvalho de Melo | b269876 | 2009-11-17 18:38:02 -0200 | [diff] [blame] | 287 | if (pthread_mutex_trylock(&syme->src->lock)) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 288 | return; |
| 289 | |
Arnaldo Carvalho de Melo | b269876 | 2009-11-17 18:38:02 -0200 | [diff] [blame] | 290 | if (syme->src == NULL || syme->src->source == NULL) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 291 | goto out_unlock; |
| 292 | |
Arnaldo Carvalho de Melo | b269876 | 2009-11-17 18:38:02 -0200 | [diff] [blame] | 293 | for (line = syme->src->lines; line; line = line->next) { |
Kirill Smelkov | ee11b90 | 2010-02-07 11:46:15 -0200 | [diff] [blame] | 294 | /* skip lines without IP info */ |
| 295 | if (line->eip == 0) |
| 296 | continue; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 297 | if (line->eip == ip) { |
| 298 | line->count[counter]++; |
| 299 | break; |
| 300 | } |
| 301 | if (line->eip > ip) |
| 302 | break; |
| 303 | } |
| 304 | out_unlock: |
Arnaldo Carvalho de Melo | b269876 | 2009-11-17 18:38:02 -0200 | [diff] [blame] | 305 | pthread_mutex_unlock(&syme->src->lock); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 306 | } |
| 307 | |
Arnaldo Carvalho de Melo | c7ad21a | 2010-02-22 16:14:22 -0300 | [diff] [blame] | 308 | #define PATTERN_LEN (BITS_PER_LONG / 4 + 2) |
| 309 | |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 310 | static void lookup_sym_source(struct sym_entry *syme) |
| 311 | { |
Arnaldo Carvalho de Melo | 51a472d | 2009-11-17 18:38:00 -0200 | [diff] [blame] | 312 | struct symbol *symbol = sym_entry__symbol(syme); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 313 | struct source_line *line; |
Arnaldo Carvalho de Melo | c7ad21a | 2010-02-22 16:14:22 -0300 | [diff] [blame] | 314 | char pattern[PATTERN_LEN + 1]; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 315 | |
Arnaldo Carvalho de Melo | 9486aa3 | 2011-01-22 20:37:02 -0200 | [diff] [blame] | 316 | sprintf(pattern, "%0*" PRIx64 " <", BITS_PER_LONG / 4, |
Arnaldo Carvalho de Melo | 5f48536 | 2010-02-07 11:46:16 -0200 | [diff] [blame] | 317 | map__rip_2objdump(syme->map, symbol->start)); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 318 | |
Arnaldo Carvalho de Melo | b269876 | 2009-11-17 18:38:02 -0200 | [diff] [blame] | 319 | pthread_mutex_lock(&syme->src->lock); |
| 320 | for (line = syme->src->lines; line; line = line->next) { |
Arnaldo Carvalho de Melo | c7ad21a | 2010-02-22 16:14:22 -0300 | [diff] [blame] | 321 | if (memcmp(line->line, pattern, PATTERN_LEN) == 0) { |
Arnaldo Carvalho de Melo | b269876 | 2009-11-17 18:38:02 -0200 | [diff] [blame] | 322 | syme->src->source = line; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 323 | break; |
| 324 | } |
| 325 | } |
Arnaldo Carvalho de Melo | b269876 | 2009-11-17 18:38:02 -0200 | [diff] [blame] | 326 | pthread_mutex_unlock(&syme->src->lock); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 327 | } |
| 328 | |
| 329 | static void show_lines(struct source_line *queue, int count, int total) |
| 330 | { |
| 331 | int i; |
| 332 | struct source_line *line; |
| 333 | |
| 334 | line = queue; |
| 335 | for (i = 0; i < count; i++) { |
| 336 | float pcnt = 100.0*(float)line->count[sym_counter]/(float)total; |
| 337 | |
| 338 | printf("%8li %4.1f%%\t%s\n", line->count[sym_counter], pcnt, line->line); |
| 339 | line = line->next; |
| 340 | } |
| 341 | } |
| 342 | |
| 343 | #define TRACE_COUNT 3 |
| 344 | |
| 345 | static void show_details(struct sym_entry *syme) |
| 346 | { |
| 347 | struct symbol *symbol; |
| 348 | struct source_line *line; |
| 349 | struct source_line *line_queue = NULL; |
| 350 | int displayed = 0; |
| 351 | int line_queue_count = 0, total = 0, more = 0; |
| 352 | |
| 353 | if (!syme) |
| 354 | return; |
| 355 | |
Arnaldo Carvalho de Melo | b269876 | 2009-11-17 18:38:02 -0200 | [diff] [blame] | 356 | if (!syme->src->source) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 357 | lookup_sym_source(syme); |
| 358 | |
Arnaldo Carvalho de Melo | b269876 | 2009-11-17 18:38:02 -0200 | [diff] [blame] | 359 | if (!syme->src->source) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 360 | return; |
| 361 | |
Arnaldo Carvalho de Melo | 51a472d | 2009-11-17 18:38:00 -0200 | [diff] [blame] | 362 | symbol = sym_entry__symbol(syme); |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 363 | printf("Showing %s for %s\n", event_name(sym_evsel), symbol->name); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 364 | printf(" Events Pcnt (>=%d%%)\n", sym_pcnt_filter); |
| 365 | |
Arnaldo Carvalho de Melo | b269876 | 2009-11-17 18:38:02 -0200 | [diff] [blame] | 366 | pthread_mutex_lock(&syme->src->lock); |
| 367 | line = syme->src->source; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 368 | while (line) { |
| 369 | total += line->count[sym_counter]; |
| 370 | line = line->next; |
| 371 | } |
| 372 | |
Arnaldo Carvalho de Melo | b269876 | 2009-11-17 18:38:02 -0200 | [diff] [blame] | 373 | line = syme->src->source; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 374 | while (line) { |
| 375 | float pcnt = 0.0; |
| 376 | |
| 377 | if (!line_queue_count) |
| 378 | line_queue = line; |
| 379 | line_queue_count++; |
| 380 | |
| 381 | if (line->count[sym_counter]) |
| 382 | pcnt = 100.0 * line->count[sym_counter] / (float)total; |
| 383 | if (pcnt >= (float)sym_pcnt_filter) { |
| 384 | if (displayed <= print_entries) |
| 385 | show_lines(line_queue, line_queue_count, total); |
| 386 | else more++; |
| 387 | displayed += line_queue_count; |
| 388 | line_queue_count = 0; |
| 389 | line_queue = NULL; |
| 390 | } else if (line_queue_count > TRACE_COUNT) { |
| 391 | line_queue = line_queue->next; |
| 392 | line_queue_count--; |
| 393 | } |
| 394 | |
| 395 | line->count[sym_counter] = zero ? 0 : line->count[sym_counter] * 7 / 8; |
| 396 | line = line->next; |
| 397 | } |
Arnaldo Carvalho de Melo | b269876 | 2009-11-17 18:38:02 -0200 | [diff] [blame] | 398 | pthread_mutex_unlock(&syme->src->lock); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 399 | if (more) |
| 400 | printf("%d lines not displayed, maybe increase display entries [e]\n", more); |
| 401 | } |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 402 | |
Arnaldo Carvalho de Melo | de04687 | 2009-05-28 14:55:41 -0300 | [diff] [blame] | 403 | /* |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 404 | * Symbols will be added here in perf_event__process_sample and will get out |
Arnaldo Carvalho de Melo | de04687 | 2009-05-28 14:55:41 -0300 | [diff] [blame] | 405 | * after decayed. |
| 406 | */ |
| 407 | static LIST_HEAD(active_symbols); |
Arnaldo Carvalho de Melo | c44613a | 2009-05-29 17:03:07 -0300 | [diff] [blame] | 408 | static pthread_mutex_t active_symbols_lock = PTHREAD_MUTEX_INITIALIZER; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 409 | |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 410 | /* |
| 411 | * Ordering weight: count-1 * count-2 * ... / count-n |
| 412 | */ |
| 413 | static double sym_weight(const struct sym_entry *sym) |
| 414 | { |
Arnaldo Carvalho de Melo | c44613a | 2009-05-29 17:03:07 -0300 | [diff] [blame] | 415 | double weight = sym->snap_count; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 416 | int counter; |
| 417 | |
Mike Galbraith | 46ab976 | 2009-07-24 10:09:50 +0200 | [diff] [blame] | 418 | if (!display_weighted) |
| 419 | return weight; |
| 420 | |
Arnaldo Carvalho de Melo | 361c99a | 2011-01-11 20:56:53 -0200 | [diff] [blame] | 421 | for (counter = 1; counter < evsel_list->nr_entries - 1; counter++) |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 422 | weight *= sym->count[counter]; |
| 423 | |
| 424 | weight /= (sym->count[counter] + 1); |
| 425 | |
| 426 | return weight; |
| 427 | } |
| 428 | |
Ingo Molnar | 2debbc8 | 2009-06-05 14:29:10 +0200 | [diff] [blame] | 429 | static long samples; |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 430 | static long kernel_samples, us_samples; |
Peter Zijlstra | 1676b8a | 2010-03-04 14:19:36 +0100 | [diff] [blame] | 431 | static long exact_samples; |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 432 | static long guest_us_samples, guest_kernel_samples; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 433 | static const char CONSOLE_CLEAR[] = "[H[2J"; |
| 434 | |
Arnaldo Carvalho de Melo | c44613a | 2009-05-29 17:03:07 -0300 | [diff] [blame] | 435 | static void __list_insert_active_sym(struct sym_entry *syme) |
Arnaldo Carvalho de Melo | de04687 | 2009-05-28 14:55:41 -0300 | [diff] [blame] | 436 | { |
| 437 | list_add(&syme->node, &active_symbols); |
| 438 | } |
| 439 | |
Arnaldo Carvalho de Melo | c44613a | 2009-05-29 17:03:07 -0300 | [diff] [blame] | 440 | static void list_remove_active_sym(struct sym_entry *syme) |
| 441 | { |
| 442 | pthread_mutex_lock(&active_symbols_lock); |
| 443 | list_del_init(&syme->node); |
| 444 | pthread_mutex_unlock(&active_symbols_lock); |
| 445 | } |
| 446 | |
Arnaldo Carvalho de Melo | de04687 | 2009-05-28 14:55:41 -0300 | [diff] [blame] | 447 | static void rb_insert_active_sym(struct rb_root *tree, struct sym_entry *se) |
| 448 | { |
| 449 | struct rb_node **p = &tree->rb_node; |
| 450 | struct rb_node *parent = NULL; |
| 451 | struct sym_entry *iter; |
| 452 | |
| 453 | while (*p != NULL) { |
| 454 | parent = *p; |
| 455 | iter = rb_entry(parent, struct sym_entry, rb_node); |
| 456 | |
Arnaldo Carvalho de Melo | c44613a | 2009-05-29 17:03:07 -0300 | [diff] [blame] | 457 | if (se->weight > iter->weight) |
Arnaldo Carvalho de Melo | de04687 | 2009-05-28 14:55:41 -0300 | [diff] [blame] | 458 | p = &(*p)->rb_left; |
| 459 | else |
| 460 | p = &(*p)->rb_right; |
| 461 | } |
| 462 | |
| 463 | rb_link_node(&se->rb_node, parent, p); |
| 464 | rb_insert_color(&se->rb_node, tree); |
| 465 | } |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 466 | |
Arnaldo Carvalho de Melo | 93fc64f | 2011-01-29 12:08:00 -0200 | [diff] [blame] | 467 | static void print_sym_table(struct perf_session *session) |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 468 | { |
Ingo Molnar | 233f0b9 | 2009-06-03 21:48:40 +0200 | [diff] [blame] | 469 | int printed = 0, j; |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 470 | struct perf_evsel *counter; |
| 471 | int snap = !display_weighted ? sym_counter : 0; |
Ingo Molnar | 2debbc8 | 2009-06-05 14:29:10 +0200 | [diff] [blame] | 472 | float samples_per_sec = samples/delay_secs; |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 473 | float ksamples_per_sec = kernel_samples/delay_secs; |
| 474 | float us_samples_per_sec = (us_samples)/delay_secs; |
| 475 | float guest_kernel_samples_per_sec = (guest_kernel_samples)/delay_secs; |
| 476 | float guest_us_samples_per_sec = (guest_us_samples)/delay_secs; |
Peter Zijlstra | 1676b8a | 2010-03-04 14:19:36 +0100 | [diff] [blame] | 477 | float esamples_percent = (100.0*exact_samples)/samples; |
Ingo Molnar | 2debbc8 | 2009-06-05 14:29:10 +0200 | [diff] [blame] | 478 | float sum_ksamples = 0.0; |
Arnaldo Carvalho de Melo | de04687 | 2009-05-28 14:55:41 -0300 | [diff] [blame] | 479 | struct sym_entry *syme, *n; |
| 480 | struct rb_root tmp = RB_ROOT; |
| 481 | struct rb_node *nd; |
Arnaldo Carvalho de Melo | 00909e9 | 2010-03-16 18:28:46 -0300 | [diff] [blame] | 482 | int sym_width = 0, dso_width = 0, dso_short_width = 0; |
Arnaldo Carvalho de Melo | 13cc507 | 2009-11-17 15:40:54 -0200 | [diff] [blame] | 483 | const int win_width = winsize.ws_col - 1; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 484 | |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 485 | samples = us_samples = kernel_samples = exact_samples = 0; |
| 486 | guest_kernel_samples = guest_us_samples = 0; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 487 | |
Arnaldo Carvalho de Melo | de04687 | 2009-05-28 14:55:41 -0300 | [diff] [blame] | 488 | /* Sort the active symbols */ |
Arnaldo Carvalho de Melo | c44613a | 2009-05-29 17:03:07 -0300 | [diff] [blame] | 489 | pthread_mutex_lock(&active_symbols_lock); |
| 490 | syme = list_entry(active_symbols.next, struct sym_entry, node); |
| 491 | pthread_mutex_unlock(&active_symbols_lock); |
| 492 | |
| 493 | list_for_each_entry_safe_from(syme, n, &active_symbols, node) { |
Mike Galbraith | 46ab976 | 2009-07-24 10:09:50 +0200 | [diff] [blame] | 494 | syme->snap_count = syme->count[snap]; |
Arnaldo Carvalho de Melo | c44613a | 2009-05-29 17:03:07 -0300 | [diff] [blame] | 495 | if (syme->snap_count != 0) { |
Arnaldo Carvalho de Melo | 13cc507 | 2009-11-17 15:40:54 -0200 | [diff] [blame] | 496 | |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 497 | if ((hide_user_symbols && |
| 498 | syme->origin == PERF_RECORD_MISC_USER) || |
| 499 | (hide_kernel_symbols && |
| 500 | syme->origin == PERF_RECORD_MISC_KERNEL)) { |
| 501 | list_remove_active_sym(syme); |
| 502 | continue; |
| 503 | } |
Arnaldo Carvalho de Melo | c44613a | 2009-05-29 17:03:07 -0300 | [diff] [blame] | 504 | syme->weight = sym_weight(syme); |
Arnaldo Carvalho de Melo | de04687 | 2009-05-28 14:55:41 -0300 | [diff] [blame] | 505 | rb_insert_active_sym(&tmp, syme); |
Ingo Molnar | 2debbc8 | 2009-06-05 14:29:10 +0200 | [diff] [blame] | 506 | sum_ksamples += syme->snap_count; |
Mike Galbraith | d94b943 | 2009-05-25 09:57:56 +0200 | [diff] [blame] | 507 | |
Arnaldo Carvalho de Melo | 361c99a | 2011-01-11 20:56:53 -0200 | [diff] [blame] | 508 | for (j = 0; j < evsel_list->nr_entries; j++) |
Arnaldo Carvalho de Melo | de04687 | 2009-05-28 14:55:41 -0300 | [diff] [blame] | 509 | syme->count[j] = zero ? 0 : syme->count[j] * 7 / 8; |
| 510 | } else |
Arnaldo Carvalho de Melo | c44613a | 2009-05-29 17:03:07 -0300 | [diff] [blame] | 511 | list_remove_active_sym(syme); |
Mike Galbraith | d94b943 | 2009-05-25 09:57:56 +0200 | [diff] [blame] | 512 | } |
| 513 | |
Frederic Weisbecker | 0f5486b | 2009-06-04 20:48:04 +0200 | [diff] [blame] | 514 | puts(CONSOLE_CLEAR); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 515 | |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 516 | if (!perf_guest) { |
| 517 | printf(" PerfTop:%8.0f irqs/sec kernel:%4.1f%%" |
| 518 | " exact: %4.1f%% [", |
| 519 | samples_per_sec, |
| 520 | 100.0 - (100.0 * ((samples_per_sec - ksamples_per_sec) / |
| 521 | samples_per_sec)), |
| 522 | esamples_percent); |
| 523 | } else { |
| 524 | printf(" PerfTop:%8.0f irqs/sec kernel:%4.1f%% us:%4.1f%%" |
| 525 | " guest kernel:%4.1f%% guest us:%4.1f%%" |
| 526 | " exact: %4.1f%% [", |
| 527 | samples_per_sec, |
| 528 | 100.0 - (100.0 * ((samples_per_sec-ksamples_per_sec) / |
| 529 | samples_per_sec)), |
| 530 | 100.0 - (100.0 * ((samples_per_sec-us_samples_per_sec) / |
| 531 | samples_per_sec)), |
| 532 | 100.0 - (100.0 * ((samples_per_sec - |
| 533 | guest_kernel_samples_per_sec) / |
| 534 | samples_per_sec)), |
| 535 | 100.0 - (100.0 * ((samples_per_sec - |
| 536 | guest_us_samples_per_sec) / |
| 537 | samples_per_sec)), |
| 538 | esamples_percent); |
| 539 | } |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 540 | |
Arnaldo Carvalho de Melo | 361c99a | 2011-01-11 20:56:53 -0200 | [diff] [blame] | 541 | if (evsel_list->nr_entries == 1 || !display_weighted) { |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 542 | struct perf_evsel *first; |
Arnaldo Carvalho de Melo | 361c99a | 2011-01-11 20:56:53 -0200 | [diff] [blame] | 543 | first = list_entry(evsel_list->entries.next, struct perf_evsel, node); |
Arnaldo Carvalho de Melo | 9486aa3 | 2011-01-22 20:37:02 -0200 | [diff] [blame] | 544 | printf("%" PRIu64, (uint64_t)first->attr.sample_period); |
Ingo Molnar | cf1f457 | 2009-06-05 13:27:02 +0200 | [diff] [blame] | 545 | if (freq) |
| 546 | printf("Hz "); |
| 547 | else |
| 548 | printf(" "); |
| 549 | } |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 550 | |
Mike Galbraith | 46ab976 | 2009-07-24 10:09:50 +0200 | [diff] [blame] | 551 | if (!display_weighted) |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 552 | printf("%s", event_name(sym_evsel)); |
Arnaldo Carvalho de Melo | 361c99a | 2011-01-11 20:56:53 -0200 | [diff] [blame] | 553 | else list_for_each_entry(counter, &evsel_list->entries, node) { |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 554 | if (counter->idx) |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 555 | printf("/"); |
| 556 | |
| 557 | printf("%s", event_name(counter)); |
| 558 | } |
| 559 | |
| 560 | printf( "], "); |
| 561 | |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 562 | if (target_pid != -1) |
| 563 | printf(" (target_pid: %d", target_pid); |
Zhang, Yanmin | d6d901c | 2010-03-18 11:36:05 -0300 | [diff] [blame] | 564 | else if (target_tid != -1) |
| 565 | printf(" (target_tid: %d", target_tid); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 566 | else |
| 567 | printf(" (all"); |
| 568 | |
Corey Ashford | 01797c5 | 2010-11-08 18:20:45 -0800 | [diff] [blame] | 569 | if (cpu_list) |
Arnaldo Carvalho de Melo | 60d567e | 2011-01-03 17:49:48 -0200 | [diff] [blame] | 570 | printf(", CPU%s: %s)\n", cpus->nr > 1 ? "s" : "", cpu_list); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 571 | else { |
Zhang, Yanmin | d6d901c | 2010-03-18 11:36:05 -0300 | [diff] [blame] | 572 | if (target_tid != -1) |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 573 | printf(")\n"); |
| 574 | else |
Arnaldo Carvalho de Melo | 60d567e | 2011-01-03 17:49:48 -0200 | [diff] [blame] | 575 | printf(", %d CPU%s)\n", cpus->nr, cpus->nr > 1 ? "s" : ""); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 576 | } |
| 577 | |
Arnaldo Carvalho de Melo | 1a105f7 | 2009-11-17 15:40:55 -0200 | [diff] [blame] | 578 | printf("%-*.*s\n", win_width, win_width, graph_dotted_line); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 579 | |
Arnaldo Carvalho de Melo | 93fc64f | 2011-01-29 12:08:00 -0200 | [diff] [blame] | 580 | if (session->hists.stats.total_lost != 0) { |
| 581 | color_fprintf(stdout, PERF_COLOR_RED, "WARNING:"); |
| 582 | printf(" LOST %" PRIu64 " events, Check IO/CPU overload\n", |
| 583 | session->hists.stats.total_lost); |
| 584 | } |
| 585 | |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 586 | if (sym_filter_entry) { |
| 587 | show_details(sym_filter_entry); |
| 588 | return; |
| 589 | } |
| 590 | |
Arnaldo Carvalho de Melo | 13cc507 | 2009-11-17 15:40:54 -0200 | [diff] [blame] | 591 | /* |
| 592 | * Find the longest symbol name that will be displayed |
| 593 | */ |
| 594 | for (nd = rb_first(&tmp); nd; nd = rb_next(nd)) { |
| 595 | syme = rb_entry(nd, struct sym_entry, rb_node); |
| 596 | if (++printed > print_entries || |
| 597 | (int)syme->snap_count < count_filter) |
| 598 | continue; |
| 599 | |
Arnaldo Carvalho de Melo | 1a105f7 | 2009-11-17 15:40:55 -0200 | [diff] [blame] | 600 | if (syme->map->dso->long_name_len > dso_width) |
| 601 | dso_width = syme->map->dso->long_name_len; |
| 602 | |
Arnaldo Carvalho de Melo | b63be8d | 2010-03-15 15:03:50 -0300 | [diff] [blame] | 603 | if (syme->map->dso->short_name_len > dso_short_width) |
| 604 | dso_short_width = syme->map->dso->short_name_len; |
| 605 | |
Arnaldo Carvalho de Melo | 13cc507 | 2009-11-17 15:40:54 -0200 | [diff] [blame] | 606 | if (syme->name_len > sym_width) |
| 607 | sym_width = syme->name_len; |
| 608 | } |
| 609 | |
| 610 | printed = 0; |
| 611 | |
Arnaldo Carvalho de Melo | b63be8d | 2010-03-15 15:03:50 -0300 | [diff] [blame] | 612 | if (sym_width + dso_width > winsize.ws_col - 29) { |
| 613 | dso_width = dso_short_width; |
| 614 | if (sym_width + dso_width > winsize.ws_col - 29) |
| 615 | sym_width = winsize.ws_col - dso_width - 29; |
| 616 | } |
Arnaldo Carvalho de Melo | 7cc017e | 2009-11-24 12:05:14 -0200 | [diff] [blame] | 617 | putchar('\n'); |
Arnaldo Carvalho de Melo | 361c99a | 2011-01-11 20:56:53 -0200 | [diff] [blame] | 618 | if (evsel_list->nr_entries == 1) |
Arnaldo Carvalho de Melo | 5b2bb75 | 2009-10-26 19:23:19 -0200 | [diff] [blame] | 619 | printf(" samples pcnt"); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 620 | else |
Arnaldo Carvalho de Melo | 5b2bb75 | 2009-10-26 19:23:19 -0200 | [diff] [blame] | 621 | printf(" weight samples pcnt"); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 622 | |
Arnaldo Carvalho de Melo | 7ced156 | 2009-08-26 11:51:26 -0300 | [diff] [blame] | 623 | if (verbose) |
| 624 | printf(" RIP "); |
Arnaldo Carvalho de Melo | 7cc017e | 2009-11-24 12:05:14 -0200 | [diff] [blame] | 625 | printf(" %-*.*s DSO\n", sym_width, sym_width, "function"); |
Arnaldo Carvalho de Melo | 5b2bb75 | 2009-10-26 19:23:19 -0200 | [diff] [blame] | 626 | printf(" %s _______ _____", |
Arnaldo Carvalho de Melo | 361c99a | 2011-01-11 20:56:53 -0200 | [diff] [blame] | 627 | evsel_list->nr_entries == 1 ? " " : "______"); |
Arnaldo Carvalho de Melo | 7ced156 | 2009-08-26 11:51:26 -0300 | [diff] [blame] | 628 | if (verbose) |
Arnaldo Carvalho de Melo | 5b2bb75 | 2009-10-26 19:23:19 -0200 | [diff] [blame] | 629 | printf(" ________________"); |
Arnaldo Carvalho de Melo | 1a105f7 | 2009-11-17 15:40:55 -0200 | [diff] [blame] | 630 | printf(" %-*.*s", sym_width, sym_width, graph_line); |
Arnaldo Carvalho de Melo | 7cc017e | 2009-11-24 12:05:14 -0200 | [diff] [blame] | 631 | printf(" %-*.*s", dso_width, dso_width, graph_line); |
Arnaldo Carvalho de Melo | 1a105f7 | 2009-11-17 15:40:55 -0200 | [diff] [blame] | 632 | puts("\n"); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 633 | |
Arnaldo Carvalho de Melo | de04687 | 2009-05-28 14:55:41 -0300 | [diff] [blame] | 634 | for (nd = rb_first(&tmp); nd; nd = rb_next(nd)) { |
Ingo Molnar | 83a0944 | 2009-08-15 12:26:57 +0200 | [diff] [blame] | 635 | struct symbol *sym; |
Ingo Molnar | 8fc0321 | 2009-06-04 15:19:47 +0200 | [diff] [blame] | 636 | double pcnt; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 637 | |
Ingo Molnar | 83a0944 | 2009-08-15 12:26:57 +0200 | [diff] [blame] | 638 | syme = rb_entry(nd, struct sym_entry, rb_node); |
Arnaldo Carvalho de Melo | 51a472d | 2009-11-17 18:38:00 -0200 | [diff] [blame] | 639 | sym = sym_entry__symbol(syme); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 640 | if (++printed > print_entries || (int)syme->snap_count < count_filter) |
Arnaldo Carvalho de Melo | c44613a | 2009-05-29 17:03:07 -0300 | [diff] [blame] | 641 | continue; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 642 | |
Ingo Molnar | 2debbc8 | 2009-06-05 14:29:10 +0200 | [diff] [blame] | 643 | pcnt = 100.0 - (100.0 * ((sum_ksamples - syme->snap_count) / |
| 644 | sum_ksamples)); |
Mike Galbraith | d94b943 | 2009-05-25 09:57:56 +0200 | [diff] [blame] | 645 | |
Arnaldo Carvalho de Melo | 361c99a | 2011-01-11 20:56:53 -0200 | [diff] [blame] | 646 | if (evsel_list->nr_entries == 1 || !display_weighted) |
Arnaldo Carvalho de Melo | 5b2bb75 | 2009-10-26 19:23:19 -0200 | [diff] [blame] | 647 | printf("%20.2f ", syme->weight); |
Mike Galbraith | d94b943 | 2009-05-25 09:57:56 +0200 | [diff] [blame] | 648 | else |
Arnaldo Carvalho de Melo | 5b2bb75 | 2009-10-26 19:23:19 -0200 | [diff] [blame] | 649 | printf("%9.1f %10ld ", syme->weight, syme->snap_count); |
Ingo Molnar | 8fc0321 | 2009-06-04 15:19:47 +0200 | [diff] [blame] | 650 | |
Frederic Weisbecker | 1e11fd8 | 2009-07-02 20:14:34 +0200 | [diff] [blame] | 651 | percent_color_fprintf(stdout, "%4.1f%%", pcnt); |
Arnaldo Carvalho de Melo | 7ced156 | 2009-08-26 11:51:26 -0300 | [diff] [blame] | 652 | if (verbose) |
Arnaldo Carvalho de Melo | 9486aa3 | 2011-01-22 20:37:02 -0200 | [diff] [blame] | 653 | printf(" %016" PRIx64, sym->start); |
Arnaldo Carvalho de Melo | 13cc507 | 2009-11-17 15:40:54 -0200 | [diff] [blame] | 654 | printf(" %-*.*s", sym_width, sym_width, sym->name); |
Arnaldo Carvalho de Melo | 7cc017e | 2009-11-24 12:05:14 -0200 | [diff] [blame] | 655 | printf(" %-*.*s\n", dso_width, dso_width, |
| 656 | dso_width >= syme->map->dso->long_name_len ? |
| 657 | syme->map->dso->long_name : |
| 658 | syme->map->dso->short_name); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 659 | } |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 660 | } |
| 661 | |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 662 | static void prompt_integer(int *target, const char *msg) |
| 663 | { |
| 664 | char *buf = malloc(0), *p; |
| 665 | size_t dummy = 0; |
| 666 | int tmp; |
| 667 | |
| 668 | fprintf(stdout, "\n%s: ", msg); |
| 669 | if (getline(&buf, &dummy, stdin) < 0) |
| 670 | return; |
| 671 | |
| 672 | p = strchr(buf, '\n'); |
| 673 | if (p) |
| 674 | *p = 0; |
| 675 | |
| 676 | p = buf; |
| 677 | while(*p) { |
| 678 | if (!isdigit(*p)) |
| 679 | goto out_free; |
| 680 | p++; |
| 681 | } |
| 682 | tmp = strtoul(buf, NULL, 10); |
| 683 | *target = tmp; |
| 684 | out_free: |
| 685 | free(buf); |
| 686 | } |
| 687 | |
| 688 | static void prompt_percent(int *target, const char *msg) |
| 689 | { |
| 690 | int tmp = 0; |
| 691 | |
| 692 | prompt_integer(&tmp, msg); |
| 693 | if (tmp >= 0 && tmp <= 100) |
| 694 | *target = tmp; |
| 695 | } |
| 696 | |
| 697 | static void prompt_symbol(struct sym_entry **target, const char *msg) |
| 698 | { |
| 699 | char *buf = malloc(0), *p; |
| 700 | struct sym_entry *syme = *target, *n, *found = NULL; |
| 701 | size_t dummy = 0; |
| 702 | |
| 703 | /* zero counters of active symbol */ |
| 704 | if (syme) { |
Arnaldo Carvalho de Melo | b269876 | 2009-11-17 18:38:02 -0200 | [diff] [blame] | 705 | pthread_mutex_lock(&syme->src->lock); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 706 | __zero_source_counters(syme); |
| 707 | *target = NULL; |
Arnaldo Carvalho de Melo | b269876 | 2009-11-17 18:38:02 -0200 | [diff] [blame] | 708 | pthread_mutex_unlock(&syme->src->lock); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 709 | } |
| 710 | |
| 711 | fprintf(stdout, "\n%s: ", msg); |
| 712 | if (getline(&buf, &dummy, stdin) < 0) |
| 713 | goto out_free; |
| 714 | |
| 715 | p = strchr(buf, '\n'); |
| 716 | if (p) |
| 717 | *p = 0; |
| 718 | |
| 719 | pthread_mutex_lock(&active_symbols_lock); |
| 720 | syme = list_entry(active_symbols.next, struct sym_entry, node); |
| 721 | pthread_mutex_unlock(&active_symbols_lock); |
| 722 | |
| 723 | list_for_each_entry_safe_from(syme, n, &active_symbols, node) { |
Arnaldo Carvalho de Melo | 51a472d | 2009-11-17 18:38:00 -0200 | [diff] [blame] | 724 | struct symbol *sym = sym_entry__symbol(syme); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 725 | |
| 726 | if (!strcmp(buf, sym->name)) { |
| 727 | found = syme; |
| 728 | break; |
| 729 | } |
| 730 | } |
| 731 | |
| 732 | if (!found) { |
Kirill Smelkov | 66aeb6d | 2010-01-13 13:22:19 -0200 | [diff] [blame] | 733 | fprintf(stderr, "Sorry, %s is not active.\n", buf); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 734 | sleep(1); |
| 735 | return; |
| 736 | } else |
| 737 | parse_source(found); |
| 738 | |
| 739 | out_free: |
| 740 | free(buf); |
| 741 | } |
| 742 | |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 743 | static void print_mapped_keys(void) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 744 | { |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 745 | char *name = NULL; |
| 746 | |
| 747 | if (sym_filter_entry) { |
Arnaldo Carvalho de Melo | 51a472d | 2009-11-17 18:38:00 -0200 | [diff] [blame] | 748 | struct symbol *sym = sym_entry__symbol(sym_filter_entry); |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 749 | name = sym->name; |
| 750 | } |
| 751 | |
| 752 | fprintf(stdout, "\nMapped keys:\n"); |
| 753 | fprintf(stdout, "\t[d] display refresh delay. \t(%d)\n", delay_secs); |
| 754 | fprintf(stdout, "\t[e] display entries (lines). \t(%d)\n", print_entries); |
| 755 | |
Arnaldo Carvalho de Melo | 361c99a | 2011-01-11 20:56:53 -0200 | [diff] [blame] | 756 | if (evsel_list->nr_entries > 1) |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 757 | fprintf(stdout, "\t[E] active event counter. \t(%s)\n", event_name(sym_evsel)); |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 758 | |
| 759 | fprintf(stdout, "\t[f] profile display filter (count). \t(%d)\n", count_filter); |
| 760 | |
Kirill Smelkov | 6cff0e8 | 2010-02-03 16:52:08 -0200 | [diff] [blame] | 761 | fprintf(stdout, "\t[F] annotate display filter (percent). \t(%d%%)\n", sym_pcnt_filter); |
| 762 | fprintf(stdout, "\t[s] annotate symbol. \t(%s)\n", name?: "NULL"); |
| 763 | fprintf(stdout, "\t[S] stop annotation.\n"); |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 764 | |
Arnaldo Carvalho de Melo | 361c99a | 2011-01-11 20:56:53 -0200 | [diff] [blame] | 765 | if (evsel_list->nr_entries > 1) |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 766 | fprintf(stdout, "\t[w] toggle display weighted/count[E]r. \t(%d)\n", display_weighted ? 1 : 0); |
| 767 | |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 768 | fprintf(stdout, |
Kirill Smelkov | 1a72cfa | 2010-02-12 19:20:59 +0300 | [diff] [blame] | 769 | "\t[K] hide kernel_symbols symbols. \t(%s)\n", |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 770 | hide_kernel_symbols ? "yes" : "no"); |
| 771 | fprintf(stdout, |
| 772 | "\t[U] hide user symbols. \t(%s)\n", |
| 773 | hide_user_symbols ? "yes" : "no"); |
Mike Galbraith | 46ab976 | 2009-07-24 10:09:50 +0200 | [diff] [blame] | 774 | fprintf(stdout, "\t[z] toggle sample zeroing. \t(%d)\n", zero ? 1 : 0); |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 775 | fprintf(stdout, "\t[qQ] quit.\n"); |
| 776 | } |
| 777 | |
| 778 | static int key_mapped(int c) |
| 779 | { |
| 780 | switch (c) { |
| 781 | case 'd': |
| 782 | case 'e': |
| 783 | case 'f': |
| 784 | case 'z': |
| 785 | case 'q': |
| 786 | case 'Q': |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 787 | case 'K': |
| 788 | case 'U': |
Kirill Smelkov | 6cff0e8 | 2010-02-03 16:52:08 -0200 | [diff] [blame] | 789 | case 'F': |
| 790 | case 's': |
| 791 | case 'S': |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 792 | return 1; |
| 793 | case 'E': |
| 794 | case 'w': |
Arnaldo Carvalho de Melo | 361c99a | 2011-01-11 20:56:53 -0200 | [diff] [blame] | 795 | return evsel_list->nr_entries > 1 ? 1 : 0; |
Ingo Molnar | 83a0944 | 2009-08-15 12:26:57 +0200 | [diff] [blame] | 796 | default: |
| 797 | break; |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 798 | } |
| 799 | |
| 800 | return 0; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 801 | } |
| 802 | |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 803 | static void handle_keypress(struct perf_session *session, int c) |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 804 | { |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 805 | if (!key_mapped(c)) { |
| 806 | struct pollfd stdin_poll = { .fd = 0, .events = POLLIN }; |
| 807 | struct termios tc, save; |
| 808 | |
| 809 | print_mapped_keys(); |
| 810 | fprintf(stdout, "\nEnter selection, or unmapped key to continue: "); |
| 811 | fflush(stdout); |
| 812 | |
| 813 | tcgetattr(0, &save); |
| 814 | tc = save; |
| 815 | tc.c_lflag &= ~(ICANON | ECHO); |
| 816 | tc.c_cc[VMIN] = 0; |
| 817 | tc.c_cc[VTIME] = 0; |
| 818 | tcsetattr(0, TCSANOW, &tc); |
| 819 | |
| 820 | poll(&stdin_poll, 1, -1); |
| 821 | c = getc(stdin); |
| 822 | |
| 823 | tcsetattr(0, TCSAFLUSH, &save); |
| 824 | if (!key_mapped(c)) |
| 825 | return; |
| 826 | } |
| 827 | |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 828 | switch (c) { |
| 829 | case 'd': |
| 830 | prompt_integer(&delay_secs, "Enter display delay"); |
Tim Blechmann | dc79959 | 2009-10-17 18:08:29 +0200 | [diff] [blame] | 831 | if (delay_secs < 1) |
| 832 | delay_secs = 1; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 833 | break; |
| 834 | case 'e': |
| 835 | prompt_integer(&print_entries, "Enter display entries (lines)"); |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 836 | if (print_entries == 0) { |
Arnaldo Carvalho de Melo | 13cc507 | 2009-11-17 15:40:54 -0200 | [diff] [blame] | 837 | sig_winch_handler(SIGWINCH); |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 838 | signal(SIGWINCH, sig_winch_handler); |
| 839 | } else |
| 840 | signal(SIGWINCH, SIG_DFL); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 841 | break; |
| 842 | case 'E': |
Arnaldo Carvalho de Melo | 361c99a | 2011-01-11 20:56:53 -0200 | [diff] [blame] | 843 | if (evsel_list->nr_entries > 1) { |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 844 | fprintf(stderr, "\nAvailable events:"); |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 845 | |
Arnaldo Carvalho de Melo | 361c99a | 2011-01-11 20:56:53 -0200 | [diff] [blame] | 846 | list_for_each_entry(sym_evsel, &evsel_list->entries, node) |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 847 | fprintf(stderr, "\n\t%d %s", sym_evsel->idx, event_name(sym_evsel)); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 848 | |
| 849 | prompt_integer(&sym_counter, "Enter details event counter"); |
| 850 | |
Arnaldo Carvalho de Melo | 361c99a | 2011-01-11 20:56:53 -0200 | [diff] [blame] | 851 | if (sym_counter >= evsel_list->nr_entries) { |
| 852 | sym_evsel = list_entry(evsel_list->entries.next, struct perf_evsel, node); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 853 | sym_counter = 0; |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 854 | fprintf(stderr, "Sorry, no such event, using %s.\n", event_name(sym_evsel)); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 855 | sleep(1); |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 856 | break; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 857 | } |
Arnaldo Carvalho de Melo | 361c99a | 2011-01-11 20:56:53 -0200 | [diff] [blame] | 858 | list_for_each_entry(sym_evsel, &evsel_list->entries, node) |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 859 | if (sym_evsel->idx == sym_counter) |
| 860 | break; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 861 | } else sym_counter = 0; |
| 862 | break; |
| 863 | case 'f': |
| 864 | prompt_integer(&count_filter, "Enter display event count filter"); |
| 865 | break; |
| 866 | case 'F': |
| 867 | prompt_percent(&sym_pcnt_filter, "Enter details display event filter (percent)"); |
| 868 | break; |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 869 | case 'K': |
| 870 | hide_kernel_symbols = !hide_kernel_symbols; |
| 871 | break; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 872 | case 'q': |
| 873 | case 'Q': |
| 874 | printf("exiting.\n"); |
Arnaldo Carvalho de Melo | c338aee | 2009-11-20 20:51:27 -0200 | [diff] [blame] | 875 | if (dump_symtab) |
Arnaldo Carvalho de Melo | cbf6968 | 2010-04-27 21:22:44 -0300 | [diff] [blame] | 876 | perf_session__fprintf_dsos(session, stderr); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 877 | exit(0); |
| 878 | case 's': |
| 879 | prompt_symbol(&sym_filter_entry, "Enter details symbol"); |
| 880 | break; |
| 881 | case 'S': |
| 882 | if (!sym_filter_entry) |
| 883 | break; |
| 884 | else { |
| 885 | struct sym_entry *syme = sym_filter_entry; |
| 886 | |
Arnaldo Carvalho de Melo | b269876 | 2009-11-17 18:38:02 -0200 | [diff] [blame] | 887 | pthread_mutex_lock(&syme->src->lock); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 888 | sym_filter_entry = NULL; |
| 889 | __zero_source_counters(syme); |
Arnaldo Carvalho de Melo | b269876 | 2009-11-17 18:38:02 -0200 | [diff] [blame] | 890 | pthread_mutex_unlock(&syme->src->lock); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 891 | } |
| 892 | break; |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 893 | case 'U': |
| 894 | hide_user_symbols = !hide_user_symbols; |
| 895 | break; |
Mike Galbraith | 46ab976 | 2009-07-24 10:09:50 +0200 | [diff] [blame] | 896 | case 'w': |
| 897 | display_weighted = ~display_weighted; |
| 898 | break; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 899 | case 'z': |
Ian Munsie | c055564 | 2010-04-13 18:37:33 +1000 | [diff] [blame] | 900 | zero = !zero; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 901 | break; |
Ingo Molnar | 83a0944 | 2009-08-15 12:26:57 +0200 | [diff] [blame] | 902 | default: |
| 903 | break; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 904 | } |
| 905 | } |
| 906 | |
Ingo Molnar | f37a291 | 2009-07-01 12:37:06 +0200 | [diff] [blame] | 907 | static void *display_thread(void *arg __used) |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 908 | { |
Frederic Weisbecker | 0f5486b | 2009-06-04 20:48:04 +0200 | [diff] [blame] | 909 | struct pollfd stdin_poll = { .fd = 0, .events = POLLIN }; |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 910 | struct termios tc, save; |
| 911 | int delay_msecs, c; |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 912 | struct perf_session *session = (struct perf_session *) arg; |
Frederic Weisbecker | 0f5486b | 2009-06-04 20:48:04 +0200 | [diff] [blame] | 913 | |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 914 | tcgetattr(0, &save); |
| 915 | tc = save; |
| 916 | tc.c_lflag &= ~(ICANON | ECHO); |
| 917 | tc.c_cc[VMIN] = 0; |
| 918 | tc.c_cc[VTIME] = 0; |
Mike Galbraith | 091bd2e | 2009-08-04 10:21:23 +0200 | [diff] [blame] | 919 | |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 920 | repeat: |
| 921 | delay_msecs = delay_secs * 1000; |
| 922 | tcsetattr(0, TCSANOW, &tc); |
| 923 | /* trash return*/ |
| 924 | getc(stdin); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 925 | |
Frederic Weisbecker | 0f5486b | 2009-06-04 20:48:04 +0200 | [diff] [blame] | 926 | do { |
Arnaldo Carvalho de Melo | 93fc64f | 2011-01-29 12:08:00 -0200 | [diff] [blame] | 927 | print_sym_table(session); |
Frederic Weisbecker | 0f5486b | 2009-06-04 20:48:04 +0200 | [diff] [blame] | 928 | } while (!poll(&stdin_poll, 1, delay_msecs) == 1); |
| 929 | |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 930 | c = getc(stdin); |
| 931 | tcsetattr(0, TCSAFLUSH, &save); |
| 932 | |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 933 | handle_keypress(session, c); |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 934 | goto repeat; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 935 | |
| 936 | return NULL; |
| 937 | } |
| 938 | |
Anton Blanchard | 2ab5208 | 2009-07-01 09:00:46 +1000 | [diff] [blame] | 939 | /* Tag samples to be skipped. */ |
Ingo Molnar | f37a291 | 2009-07-01 12:37:06 +0200 | [diff] [blame] | 940 | static const char *skip_symbols[] = { |
Anton Blanchard | 2ab5208 | 2009-07-01 09:00:46 +1000 | [diff] [blame] | 941 | "default_idle", |
Arnaldo Carvalho de Melo | b0e8572 | 2011-01-16 17:39:15 -0200 | [diff] [blame] | 942 | "native_safe_halt", |
Anton Blanchard | 2ab5208 | 2009-07-01 09:00:46 +1000 | [diff] [blame] | 943 | "cpu_idle", |
| 944 | "enter_idle", |
| 945 | "exit_idle", |
| 946 | "mwait_idle", |
Arnaldo Carvalho de Melo | 59b9005 | 2009-07-26 19:06:19 -0300 | [diff] [blame] | 947 | "mwait_idle_with_hints", |
Arnaldo Carvalho de Melo | 8357275 | 2009-09-25 15:02:39 -0700 | [diff] [blame] | 948 | "poll_idle", |
Anton Blanchard | 3a3393e | 2009-07-01 09:00:47 +1000 | [diff] [blame] | 949 | "ppc64_runlatch_off", |
| 950 | "pseries_dedicated_idle_sleep", |
Anton Blanchard | 2ab5208 | 2009-07-01 09:00:46 +1000 | [diff] [blame] | 951 | NULL |
| 952 | }; |
| 953 | |
Arnaldo Carvalho de Melo | 439d473 | 2009-10-02 03:29:58 -0300 | [diff] [blame] | 954 | static int symbol_filter(struct map *map, struct symbol *sym) |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 955 | { |
Arnaldo Carvalho de Melo | de04687 | 2009-05-28 14:55:41 -0300 | [diff] [blame] | 956 | struct sym_entry *syme; |
| 957 | const char *name = sym->name; |
Anton Blanchard | 2ab5208 | 2009-07-01 09:00:46 +1000 | [diff] [blame] | 958 | int i; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 959 | |
Anton Blanchard | 3a3393e | 2009-07-01 09:00:47 +1000 | [diff] [blame] | 960 | /* |
| 961 | * ppc64 uses function descriptors and appends a '.' to the |
| 962 | * start of every instruction address. Remove it. |
| 963 | */ |
| 964 | if (name[0] == '.') |
| 965 | name++; |
| 966 | |
Arnaldo Carvalho de Melo | de04687 | 2009-05-28 14:55:41 -0300 | [diff] [blame] | 967 | if (!strcmp(name, "_text") || |
| 968 | !strcmp(name, "_etext") || |
| 969 | !strcmp(name, "_sinittext") || |
| 970 | !strncmp("init_module", name, 11) || |
| 971 | !strncmp("cleanup_module", name, 14) || |
| 972 | strstr(name, "_text_start") || |
| 973 | strstr(name, "_text_end")) |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 974 | return 1; |
| 975 | |
Arnaldo Carvalho de Melo | 00a192b | 2009-10-30 16:28:24 -0200 | [diff] [blame] | 976 | syme = symbol__priv(sym); |
Arnaldo Carvalho de Melo | 439d473 | 2009-10-02 03:29:58 -0300 | [diff] [blame] | 977 | syme->map = map; |
Arnaldo Carvalho de Melo | b269876 | 2009-11-17 18:38:02 -0200 | [diff] [blame] | 978 | syme->src = NULL; |
Kirill Smelkov | 6cff0e8 | 2010-02-03 16:52:08 -0200 | [diff] [blame] | 979 | |
| 980 | if (!sym_filter_entry && sym_filter && !strcmp(name, sym_filter)) { |
| 981 | /* schedule initial sym_filter_entry setup */ |
| 982 | sym_filter_entry_sched = syme; |
| 983 | sym_filter = NULL; |
| 984 | } |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 985 | |
Anton Blanchard | 2ab5208 | 2009-07-01 09:00:46 +1000 | [diff] [blame] | 986 | for (i = 0; skip_symbols[i]; i++) { |
| 987 | if (!strcmp(skip_symbols[i], name)) { |
| 988 | syme->skip = 1; |
| 989 | break; |
| 990 | } |
| 991 | } |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 992 | |
Arnaldo Carvalho de Melo | 13cc507 | 2009-11-17 15:40:54 -0200 | [diff] [blame] | 993 | if (!syme->skip) |
| 994 | syme->name_len = strlen(sym->name); |
| 995 | |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 996 | return 0; |
| 997 | } |
| 998 | |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 999 | static void perf_event__process_sample(const union perf_event *event, |
| 1000 | struct perf_sample *sample, |
| 1001 | struct perf_session *session) |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 1002 | { |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 1003 | u64 ip = event->ip.ip; |
Arnaldo Carvalho de Melo | 5b2bb75 | 2009-10-26 19:23:19 -0200 | [diff] [blame] | 1004 | struct sym_entry *syme; |
Arnaldo Carvalho de Melo | 1ed091c | 2009-11-27 16:29:23 -0200 | [diff] [blame] | 1005 | struct addr_location al; |
Arnaldo Carvalho de Melo | 23346f2 | 2010-04-27 21:17:50 -0300 | [diff] [blame] | 1006 | struct machine *machine; |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 1007 | u8 origin = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 1008 | |
Arnaldo Carvalho de Melo | 24bfef0 | 2010-01-21 13:04:43 -0200 | [diff] [blame] | 1009 | ++samples; |
| 1010 | |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 1011 | switch (origin) { |
Arnaldo Carvalho de Melo | 1ed091c | 2009-11-27 16:29:23 -0200 | [diff] [blame] | 1012 | case PERF_RECORD_MISC_USER: |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 1013 | ++us_samples; |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 1014 | if (hide_user_symbols) |
| 1015 | return; |
Arnaldo Carvalho de Melo | 23346f2 | 2010-04-27 21:17:50 -0300 | [diff] [blame] | 1016 | machine = perf_session__find_host_machine(session); |
Arnaldo Carvalho de Melo | 1ed091c | 2009-11-27 16:29:23 -0200 | [diff] [blame] | 1017 | break; |
Arnaldo Carvalho de Melo | 5b2bb75 | 2009-10-26 19:23:19 -0200 | [diff] [blame] | 1018 | case PERF_RECORD_MISC_KERNEL: |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 1019 | ++kernel_samples; |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 1020 | if (hide_kernel_symbols) |
| 1021 | return; |
Arnaldo Carvalho de Melo | 23346f2 | 2010-04-27 21:17:50 -0300 | [diff] [blame] | 1022 | machine = perf_session__find_host_machine(session); |
Arnaldo Carvalho de Melo | 5b2bb75 | 2009-10-26 19:23:19 -0200 | [diff] [blame] | 1023 | break; |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 1024 | case PERF_RECORD_MISC_GUEST_KERNEL: |
| 1025 | ++guest_kernel_samples; |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 1026 | machine = perf_session__find_machine(session, event->ip.pid); |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 1027 | break; |
| 1028 | case PERF_RECORD_MISC_GUEST_USER: |
| 1029 | ++guest_us_samples; |
| 1030 | /* |
| 1031 | * TODO: we don't process guest user from host side |
| 1032 | * except simple counting. |
| 1033 | */ |
| 1034 | return; |
Arnaldo Carvalho de Melo | 5b2bb75 | 2009-10-26 19:23:19 -0200 | [diff] [blame] | 1035 | default: |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 1036 | return; |
| 1037 | } |
| 1038 | |
Arnaldo Carvalho de Melo | 23346f2 | 2010-04-27 21:17:50 -0300 | [diff] [blame] | 1039 | if (!machine && perf_guest) { |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 1040 | 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] | 1041 | event->ip.pid); |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 1042 | return; |
| 1043 | } |
| 1044 | |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 1045 | if (event->header.misc & PERF_RECORD_MISC_EXACT_IP) |
Peter Zijlstra | 1676b8a | 2010-03-04 14:19:36 +0100 | [diff] [blame] | 1046 | exact_samples++; |
| 1047 | |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 1048 | if (perf_event__preprocess_sample(event, session, &al, sample, |
| 1049 | symbol_filter) < 0 || |
Arnaldo Carvalho de Melo | 72b8fa1 | 2010-01-27 21:05:49 -0200 | [diff] [blame] | 1050 | al.filtered) |
Arnaldo Carvalho de Melo | 1ed091c | 2009-11-27 16:29:23 -0200 | [diff] [blame] | 1051 | return; |
Arnaldo Carvalho de Melo | 5b2bb75 | 2009-10-26 19:23:19 -0200 | [diff] [blame] | 1052 | |
Arnaldo Carvalho de Melo | 72b8fa1 | 2010-01-27 21:05:49 -0200 | [diff] [blame] | 1053 | if (al.sym == NULL) { |
| 1054 | /* |
| 1055 | * As we do lazy loading of symtabs we only will know if the |
| 1056 | * specified vmlinux file is invalid when we actually have a |
| 1057 | * hit in kernel space and then try to load it. So if we get |
| 1058 | * here and there are _no_ symbols in the DSO backing the |
| 1059 | * kernel map, bail out. |
| 1060 | * |
| 1061 | * We may never get here, for instance, if we use -K/ |
| 1062 | * --hide-kernel-symbols, even if the user specifies an |
| 1063 | * invalid --vmlinux ;-) |
| 1064 | */ |
Arnaldo Carvalho de Melo | 23346f2 | 2010-04-27 21:17:50 -0300 | [diff] [blame] | 1065 | if (al.map == machine->vmlinux_maps[MAP__FUNCTION] && |
Arnaldo Carvalho de Melo | 72b8fa1 | 2010-01-27 21:05:49 -0200 | [diff] [blame] | 1066 | RB_EMPTY_ROOT(&al.map->dso->symbols[MAP__FUNCTION])) { |
| 1067 | pr_err("The %s file can't be used\n", |
| 1068 | symbol_conf.vmlinux_name); |
| 1069 | exit(1); |
| 1070 | } |
| 1071 | |
| 1072 | return; |
| 1073 | } |
| 1074 | |
Kirill Smelkov | 6cff0e8 | 2010-02-03 16:52:08 -0200 | [diff] [blame] | 1075 | /* let's see, whether we need to install initial sym_filter_entry */ |
| 1076 | if (sym_filter_entry_sched) { |
| 1077 | sym_filter_entry = sym_filter_entry_sched; |
| 1078 | sym_filter_entry_sched = NULL; |
Arnaldo Carvalho de Melo | b0a9ab6 | 2010-03-15 11:46:58 -0300 | [diff] [blame] | 1079 | if (parse_source(sym_filter_entry) < 0) { |
| 1080 | struct symbol *sym = sym_entry__symbol(sym_filter_entry); |
| 1081 | |
| 1082 | pr_err("Can't annotate %s", sym->name); |
| 1083 | if (sym_filter_entry->map->dso->origin == DSO__ORIG_KERNEL) { |
| 1084 | pr_err(": No vmlinux file was found in the path:\n"); |
Arnaldo Carvalho de Melo | 5ad90e4 | 2010-05-26 13:26:02 -0300 | [diff] [blame] | 1085 | machine__fprintf_vmlinux_path(machine, stderr); |
Arnaldo Carvalho de Melo | b0a9ab6 | 2010-03-15 11:46:58 -0300 | [diff] [blame] | 1086 | } else |
| 1087 | pr_err(".\n"); |
| 1088 | exit(1); |
| 1089 | } |
Kirill Smelkov | 6cff0e8 | 2010-02-03 16:52:08 -0200 | [diff] [blame] | 1090 | } |
| 1091 | |
Arnaldo Carvalho de Melo | 1ed091c | 2009-11-27 16:29:23 -0200 | [diff] [blame] | 1092 | syme = symbol__priv(al.sym); |
Arnaldo Carvalho de Melo | 5b2bb75 | 2009-10-26 19:23:19 -0200 | [diff] [blame] | 1093 | if (!syme->skip) { |
Arnaldo Carvalho de Melo | 70db753 | 2011-01-12 22:39:13 -0200 | [diff] [blame] | 1094 | struct perf_evsel *evsel; |
| 1095 | |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 1096 | syme->origin = origin; |
Arnaldo Carvalho de Melo | 70db753 | 2011-01-12 22:39:13 -0200 | [diff] [blame] | 1097 | evsel = perf_evlist__id2evsel(evsel_list, sample->id); |
| 1098 | assert(evsel != NULL); |
| 1099 | syme->count[evsel->idx]++; |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 1100 | record_precise_ip(syme, evsel->idx, ip); |
Arnaldo Carvalho de Melo | 5b2bb75 | 2009-10-26 19:23:19 -0200 | [diff] [blame] | 1101 | pthread_mutex_lock(&active_symbols_lock); |
| 1102 | if (list_empty(&syme->node) || !syme->node.next) |
| 1103 | __list_insert_active_sym(syme); |
| 1104 | pthread_mutex_unlock(&active_symbols_lock); |
Arnaldo Carvalho de Melo | 5b2bb75 | 2009-10-26 19:23:19 -0200 | [diff] [blame] | 1105 | } |
| 1106 | } |
| 1107 | |
Arnaldo Carvalho de Melo | 70db753 | 2011-01-12 22:39:13 -0200 | [diff] [blame] | 1108 | static void perf_session__mmap_read_cpu(struct perf_session *self, int cpu) |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 1109 | { |
Arnaldo Carvalho de Melo | 8d50e5b | 2011-01-29 13:02:00 -0200 | [diff] [blame] | 1110 | struct perf_sample sample; |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 1111 | union perf_event *event; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 1112 | |
Arnaldo Carvalho de Melo | 04391de | 2011-01-15 10:40:59 -0200 | [diff] [blame] | 1113 | while ((event = perf_evlist__read_on_cpu(evsel_list, cpu)) != NULL) { |
Arnaldo Carvalho de Melo | d0dd74e | 2011-01-21 13:46:41 -0200 | [diff] [blame] | 1114 | perf_session__parse_sample(self, event, &sample); |
Arnaldo Carvalho de Melo | 04391de | 2011-01-15 10:40:59 -0200 | [diff] [blame] | 1115 | |
Arnaldo Carvalho de Melo | 5b2bb75 | 2009-10-26 19:23:19 -0200 | [diff] [blame] | 1116 | if (event->header.type == PERF_RECORD_SAMPLE) |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 1117 | perf_event__process_sample(event, &sample, self); |
Arnaldo Carvalho de Melo | 5b2bb75 | 2009-10-26 19:23:19 -0200 | [diff] [blame] | 1118 | else |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 1119 | perf_event__process(event, &sample, self); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 1120 | } |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 1121 | } |
| 1122 | |
Arnaldo Carvalho de Melo | d8f6624 | 2009-12-13 19:50:24 -0200 | [diff] [blame] | 1123 | static void perf_session__mmap_read(struct perf_session *self) |
Frederic Weisbecker | 2f01190 | 2009-06-06 23:10:43 +0200 | [diff] [blame] | 1124 | { |
Arnaldo Carvalho de Melo | 70db753 | 2011-01-12 22:39:13 -0200 | [diff] [blame] | 1125 | int i; |
Frederic Weisbecker | 2f01190 | 2009-06-06 23:10:43 +0200 | [diff] [blame] | 1126 | |
Arnaldo Carvalho de Melo | 70db753 | 2011-01-12 22:39:13 -0200 | [diff] [blame] | 1127 | for (i = 0; i < cpus->nr; i++) |
| 1128 | perf_session__mmap_read_cpu(self, i); |
Frederic Weisbecker | 2f01190 | 2009-06-06 23:10:43 +0200 | [diff] [blame] | 1129 | } |
| 1130 | |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 1131 | static void start_counters(struct perf_evlist *evlist) |
| 1132 | { |
| 1133 | struct perf_evsel *counter; |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 1134 | |
| 1135 | list_for_each_entry(counter, &evlist->entries, node) { |
| 1136 | struct perf_event_attr *attr = &counter->attr; |
| 1137 | |
| 1138 | attr->sample_type = PERF_SAMPLE_IP | PERF_SAMPLE_TID; |
| 1139 | |
| 1140 | if (freq) { |
| 1141 | attr->sample_type |= PERF_SAMPLE_PERIOD; |
| 1142 | attr->freq = 1; |
| 1143 | attr->sample_freq = freq; |
| 1144 | } |
| 1145 | |
Arnaldo Carvalho de Melo | 70db753 | 2011-01-12 22:39:13 -0200 | [diff] [blame] | 1146 | if (evlist->nr_entries > 1) { |
| 1147 | attr->sample_type |= PERF_SAMPLE_ID; |
| 1148 | attr->read_format |= PERF_FORMAT_ID; |
| 1149 | } |
| 1150 | |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 1151 | attr->mmap = 1; |
| 1152 | try_again: |
| 1153 | if (perf_evsel__open(counter, cpus, threads, group, inherit) < 0) { |
| 1154 | int err = errno; |
| 1155 | |
| 1156 | if (err == EPERM || err == EACCES) |
| 1157 | die("Permission error - are you root?\n" |
| 1158 | "\t Consider tweaking" |
| 1159 | " /proc/sys/kernel/perf_event_paranoid.\n"); |
| 1160 | /* |
| 1161 | * If it's cycles then fall back to hrtimer |
| 1162 | * based cpu-clock-tick sw counter, which |
| 1163 | * is always available even if no PMU support: |
| 1164 | */ |
| 1165 | if (attr->type == PERF_TYPE_HARDWARE && |
| 1166 | attr->config == PERF_COUNT_HW_CPU_CYCLES) { |
| 1167 | |
| 1168 | if (verbose) |
| 1169 | warning(" ... trying to fall back to cpu-clock-ticks\n"); |
| 1170 | |
| 1171 | attr->type = PERF_TYPE_SOFTWARE; |
| 1172 | attr->config = PERF_COUNT_SW_CPU_CLOCK; |
| 1173 | goto try_again; |
| 1174 | } |
| 1175 | printf("\n"); |
| 1176 | error("sys_perf_event_open() syscall returned with %d " |
| 1177 | "(%s). /bin/dmesg may provide additional information.\n", |
| 1178 | err, strerror(err)); |
| 1179 | die("No CONFIG_PERF_EVENTS=y kernel support configured?\n"); |
| 1180 | exit(-1); |
| 1181 | } |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 1182 | } |
Arnaldo Carvalho de Melo | 70db753 | 2011-01-12 22:39:13 -0200 | [diff] [blame] | 1183 | |
Arnaldo Carvalho de Melo | 93fc64f | 2011-01-29 12:08:00 -0200 | [diff] [blame] | 1184 | if (perf_evlist__mmap(evlist, cpus, threads, mmap_pages, false) < 0) |
Arnaldo Carvalho de Melo | 70db753 | 2011-01-12 22:39:13 -0200 | [diff] [blame] | 1185 | die("failed to mmap with %d (%s)\n", errno, strerror(errno)); |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 1186 | } |
| 1187 | |
Ingo Molnar | 716c69f | 2009-06-07 17:31:52 +0200 | [diff] [blame] | 1188 | static int __cmd_top(void) |
| 1189 | { |
| 1190 | pthread_t thread; |
Arnaldo Carvalho de Melo | 70db753 | 2011-01-12 22:39:13 -0200 | [diff] [blame] | 1191 | struct perf_evsel *first; |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 1192 | int ret; |
Arnaldo Carvalho de Melo | d8f6624 | 2009-12-13 19:50:24 -0200 | [diff] [blame] | 1193 | /* |
Arnaldo Carvalho de Melo | b3165f4 | 2009-12-13 19:50:28 -0200 | [diff] [blame] | 1194 | * FIXME: perf_session__new should allow passing a O_MMAP, so that all this |
| 1195 | * 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] | 1196 | */ |
Ian Munsie | 21ef97f | 2010-12-10 14:09:16 +1100 | [diff] [blame] | 1197 | struct perf_session *session = perf_session__new(NULL, O_WRONLY, false, false, NULL); |
Arnaldo Carvalho de Melo | b3165f4 | 2009-12-13 19:50:28 -0200 | [diff] [blame] | 1198 | if (session == NULL) |
| 1199 | return -ENOMEM; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 1200 | |
Zhang, Yanmin | d6d901c | 2010-03-18 11:36:05 -0300 | [diff] [blame] | 1201 | if (target_tid != -1) |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 1202 | perf_event__synthesize_thread(target_tid, perf_event__process, |
| 1203 | session); |
Arnaldo Carvalho de Melo | 5b2bb75 | 2009-10-26 19:23:19 -0200 | [diff] [blame] | 1204 | else |
Arnaldo Carvalho de Melo | 8115d60 | 2011-01-29 14:01:45 -0200 | [diff] [blame] | 1205 | perf_event__synthesize_threads(perf_event__process, session); |
Arnaldo Carvalho de Melo | 5b2bb75 | 2009-10-26 19:23:19 -0200 | [diff] [blame] | 1206 | |
Arnaldo Carvalho de Melo | 72cb701 | 2011-01-12 10:52:47 -0200 | [diff] [blame] | 1207 | start_counters(evsel_list); |
Arnaldo Carvalho de Melo | 70db753 | 2011-01-12 22:39:13 -0200 | [diff] [blame] | 1208 | first = list_entry(evsel_list->entries.next, struct perf_evsel, node); |
| 1209 | perf_session__set_sample_type(session, first->attr.sample_type); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 1210 | |
Frederic Weisbecker | 2f01190 | 2009-06-06 23:10:43 +0200 | [diff] [blame] | 1211 | /* Wait for a minimal set of events before starting the snapshot */ |
Arnaldo Carvalho de Melo | 5c58104 | 2011-01-11 22:30:02 -0200 | [diff] [blame] | 1212 | poll(evsel_list->pollfd, evsel_list->nr_fds, 100); |
Frederic Weisbecker | 2f01190 | 2009-06-06 23:10:43 +0200 | [diff] [blame] | 1213 | |
Arnaldo Carvalho de Melo | d8f6624 | 2009-12-13 19:50:24 -0200 | [diff] [blame] | 1214 | perf_session__mmap_read(session); |
Frederic Weisbecker | 2f01190 | 2009-06-06 23:10:43 +0200 | [diff] [blame] | 1215 | |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 1216 | if (pthread_create(&thread, NULL, display_thread, session)) { |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 1217 | printf("Could not create display thread.\n"); |
| 1218 | exit(-1); |
| 1219 | } |
| 1220 | |
| 1221 | if (realtime_prio) { |
| 1222 | struct sched_param param; |
| 1223 | |
| 1224 | param.sched_priority = realtime_prio; |
| 1225 | if (sched_setscheduler(0, SCHED_FIFO, ¶m)) { |
| 1226 | printf("Could not set realtime priority.\n"); |
| 1227 | exit(-1); |
| 1228 | } |
| 1229 | } |
| 1230 | |
| 1231 | while (1) { |
Ingo Molnar | 2debbc8 | 2009-06-05 14:29:10 +0200 | [diff] [blame] | 1232 | int hits = samples; |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 1233 | |
Arnaldo Carvalho de Melo | d8f6624 | 2009-12-13 19:50:24 -0200 | [diff] [blame] | 1234 | perf_session__mmap_read(session); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 1235 | |
Ingo Molnar | 2debbc8 | 2009-06-05 14:29:10 +0200 | [diff] [blame] | 1236 | if (hits == samples) |
Arnaldo Carvalho de Melo | 5c58104 | 2011-01-11 22:30:02 -0200 | [diff] [blame] | 1237 | ret = poll(evsel_list->pollfd, evsel_list->nr_fds, 100); |
Ingo Molnar | 0780060 | 2009-04-20 15:00:56 +0200 | [diff] [blame] | 1238 | } |
| 1239 | |
| 1240 | return 0; |
| 1241 | } |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1242 | |
| 1243 | static const char * const top_usage[] = { |
| 1244 | "perf top [<options>]", |
| 1245 | NULL |
| 1246 | }; |
| 1247 | |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1248 | static const struct option options[] = { |
Arnaldo Carvalho de Melo | 361c99a | 2011-01-11 20:56:53 -0200 | [diff] [blame] | 1249 | OPT_CALLBACK('e', "event", &evsel_list, "event", |
Thomas Gleixner | 86847b6 | 2009-06-06 12:24:17 +0200 | [diff] [blame] | 1250 | "event selector. use 'perf list' to list available events", |
| 1251 | parse_events), |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1252 | OPT_INTEGER('c', "count", &default_interval, |
| 1253 | "event period to sample"), |
| 1254 | OPT_INTEGER('p', "pid", &target_pid, |
Zhang, Yanmin | d6d901c | 2010-03-18 11:36:05 -0300 | [diff] [blame] | 1255 | "profile events on existing process id"), |
| 1256 | OPT_INTEGER('t', "tid", &target_tid, |
| 1257 | "profile events on existing thread id"), |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1258 | OPT_BOOLEAN('a', "all-cpus", &system_wide, |
| 1259 | "system-wide collection from all CPUs"), |
Stephane Eranian | c45c6ea | 2010-05-28 12:00:01 +0200 | [diff] [blame] | 1260 | OPT_STRING('C', "cpu", &cpu_list, "cpu", |
| 1261 | "list of cpus to monitor"), |
Arnaldo Carvalho de Melo | b32d133 | 2009-11-24 12:05:15 -0200 | [diff] [blame] | 1262 | OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, |
| 1263 | "file", "vmlinux pathname"), |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 1264 | OPT_BOOLEAN('K', "hide_kernel_symbols", &hide_kernel_symbols, |
| 1265 | "hide kernel symbols"), |
Arnaldo Carvalho de Melo | 1967936 | 2010-05-17 15:39:16 -0300 | [diff] [blame] | 1266 | OPT_UINTEGER('m', "mmap-pages", &mmap_pages, "number of mmap data pages"), |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1267 | OPT_INTEGER('r', "realtime", &realtime_prio, |
| 1268 | "collect data with this RT SCHED_FIFO priority"), |
Mike Galbraith | db20c00 | 2009-05-26 15:25:34 +0200 | [diff] [blame] | 1269 | OPT_INTEGER('d', "delay", &delay_secs, |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1270 | "number of seconds to delay between refreshes"), |
| 1271 | OPT_BOOLEAN('D', "dump-symtab", &dump_symtab, |
| 1272 | "dump the symbol table used for profiling"), |
Ingo Molnar | 6e53cdf | 2009-06-04 08:53:05 +0200 | [diff] [blame] | 1273 | OPT_INTEGER('f', "count-filter", &count_filter, |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1274 | "only display functions with more events than this"), |
| 1275 | OPT_BOOLEAN('g', "group", &group, |
| 1276 | "put the counters into a counter group"), |
Mike Galbraith | 0fdc7e6 | 2009-07-21 10:30:36 +0200 | [diff] [blame] | 1277 | OPT_BOOLEAN('i', "inherit", &inherit, |
| 1278 | "child tasks inherit counters"), |
Mike Galbraith | 923c42c | 2009-07-22 20:36:03 +0200 | [diff] [blame] | 1279 | OPT_STRING('s', "sym-annotate", &sym_filter, "symbol name", |
Kirill Smelkov | 6cff0e8 | 2010-02-03 16:52:08 -0200 | [diff] [blame] | 1280 | "symbol to annotate"), |
Anton Blanchard | 1f208ea | 2009-07-01 09:00:44 +1000 | [diff] [blame] | 1281 | OPT_BOOLEAN('z', "zero", &zero, |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1282 | "zero history across updates"), |
Ingo Molnar | 6e53cdf | 2009-06-04 08:53:05 +0200 | [diff] [blame] | 1283 | OPT_INTEGER('F', "freq", &freq, |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1284 | "profile at this frequency"), |
Ingo Molnar | 6e53cdf | 2009-06-04 08:53:05 +0200 | [diff] [blame] | 1285 | OPT_INTEGER('E', "entries", &print_entries, |
| 1286 | "display this many functions"), |
Arnaldo Carvalho de Melo | 8ffcda1 | 2009-11-16 21:45:24 -0200 | [diff] [blame] | 1287 | OPT_BOOLEAN('U', "hide_user_symbols", &hide_user_symbols, |
| 1288 | "hide user symbols"), |
Ian Munsie | c055564 | 2010-04-13 18:37:33 +1000 | [diff] [blame] | 1289 | OPT_INCR('v', "verbose", &verbose, |
Ingo Molnar | 3da297a | 2009-06-07 17:39:02 +0200 | [diff] [blame] | 1290 | "be more verbose (show counter open errors, etc)"), |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1291 | OPT_END() |
| 1292 | }; |
| 1293 | |
Ingo Molnar | f37a291 | 2009-07-01 12:37:06 +0200 | [diff] [blame] | 1294 | int cmd_top(int argc, const char **argv, const char *prefix __used) |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1295 | { |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 1296 | struct perf_evsel *pos; |
| 1297 | int status = -ENOMEM; |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1298 | |
Arnaldo Carvalho de Melo | 361c99a | 2011-01-11 20:56:53 -0200 | [diff] [blame] | 1299 | evsel_list = perf_evlist__new(); |
| 1300 | if (evsel_list == NULL) |
| 1301 | return -ENOMEM; |
| 1302 | |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1303 | page_size = sysconf(_SC_PAGE_SIZE); |
| 1304 | |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1305 | argc = parse_options(argc, argv, options, top_usage, 0); |
| 1306 | if (argc) |
| 1307 | usage_with_options(top_usage, options); |
| 1308 | |
Arnaldo Carvalho de Melo | 5c98d466 | 2011-01-03 17:53:33 -0200 | [diff] [blame] | 1309 | if (target_pid != -1) |
Zhang, Yanmin | d6d901c | 2010-03-18 11:36:05 -0300 | [diff] [blame] | 1310 | target_tid = target_pid; |
Zhang, Yanmin | d6d901c | 2010-03-18 11:36:05 -0300 | [diff] [blame] | 1311 | |
Arnaldo Carvalho de Melo | 5c98d466 | 2011-01-03 17:53:33 -0200 | [diff] [blame] | 1312 | threads = thread_map__new(target_pid, target_tid); |
| 1313 | if (threads == NULL) { |
| 1314 | pr_err("Problems finding threads of monitor\n"); |
| 1315 | usage_with_options(top_usage, options); |
Zhang, Yanmin | d6d901c | 2010-03-18 11:36:05 -0300 | [diff] [blame] | 1316 | } |
| 1317 | |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1318 | /* CPU and PID are mutually exclusive */ |
Stephane Eranian | c45c6ea | 2010-05-28 12:00:01 +0200 | [diff] [blame] | 1319 | if (target_tid > 0 && cpu_list) { |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1320 | printf("WARNING: PID switch overriding CPU\n"); |
| 1321 | sleep(1); |
Stephane Eranian | c45c6ea | 2010-05-28 12:00:01 +0200 | [diff] [blame] | 1322 | cpu_list = NULL; |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1323 | } |
| 1324 | |
Arnaldo Carvalho de Melo | 361c99a | 2011-01-11 20:56:53 -0200 | [diff] [blame] | 1325 | if (!evsel_list->nr_entries && |
| 1326 | perf_evlist__add_default(evsel_list) < 0) { |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 1327 | pr_err("Not enough memory for event selector list\n"); |
| 1328 | return -ENOMEM; |
| 1329 | } |
Arnaldo Carvalho de Melo | 5a8e5a3 | 2009-11-17 18:38:01 -0200 | [diff] [blame] | 1330 | |
Frederic Weisbecker | 2f335a0 | 2009-06-05 19:31:01 +0200 | [diff] [blame] | 1331 | if (delay_secs < 1) |
| 1332 | delay_secs = 1; |
| 1333 | |
Mike Galbraith | 7e4ff9e | 2009-10-12 07:56:03 +0200 | [diff] [blame] | 1334 | /* |
| 1335 | * User specified count overrides default frequency. |
| 1336 | */ |
| 1337 | if (default_interval) |
| 1338 | freq = 0; |
| 1339 | else if (freq) { |
| 1340 | default_interval = freq; |
| 1341 | } else { |
| 1342 | fprintf(stderr, "frequency and count are zero, aborting\n"); |
| 1343 | exit(EXIT_FAILURE); |
| 1344 | } |
| 1345 | |
Stephane Eranian | c45c6ea | 2010-05-28 12:00:01 +0200 | [diff] [blame] | 1346 | if (target_tid != -1) |
Arnaldo Carvalho de Melo | 60d567e | 2011-01-03 17:49:48 -0200 | [diff] [blame] | 1347 | cpus = cpu_map__dummy_new(); |
Paul Mackerras | a12b51c | 2010-03-10 20:36:09 +1100 | [diff] [blame] | 1348 | else |
Arnaldo Carvalho de Melo | 60d567e | 2011-01-03 17:49:48 -0200 | [diff] [blame] | 1349 | cpus = cpu_map__new(cpu_list); |
Stephane Eranian | c45c6ea | 2010-05-28 12:00:01 +0200 | [diff] [blame] | 1350 | |
Arnaldo Carvalho de Melo | 60d567e | 2011-01-03 17:49:48 -0200 | [diff] [blame] | 1351 | if (cpus == NULL) |
Stephane Eranian | c45c6ea | 2010-05-28 12:00:01 +0200 | [diff] [blame] | 1352 | usage_with_options(top_usage, options); |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1353 | |
Arnaldo Carvalho de Melo | 361c99a | 2011-01-11 20:56:53 -0200 | [diff] [blame] | 1354 | list_for_each_entry(pos, &evsel_list->entries, node) { |
Arnaldo Carvalho de Melo | 70db753 | 2011-01-12 22:39:13 -0200 | [diff] [blame] | 1355 | if (perf_evsel__alloc_fd(pos, cpus->nr, threads->nr) < 0) |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 1356 | goto out_free_fd; |
| 1357 | /* |
| 1358 | * Fill in the ones not specifically initialized via -c: |
| 1359 | */ |
| 1360 | if (pos->attr.sample_period) |
| 1361 | continue; |
| 1362 | |
| 1363 | pos->attr.sample_period = default_interval; |
| 1364 | } |
| 1365 | |
Arnaldo Carvalho de Melo | 70db753 | 2011-01-12 22:39:13 -0200 | [diff] [blame] | 1366 | if (perf_evlist__alloc_pollfd(evsel_list, cpus->nr, threads->nr) < 0 || |
| 1367 | perf_evlist__alloc_mmap(evsel_list, cpus->nr) < 0) |
Arnaldo Carvalho de Melo | 5c58104 | 2011-01-11 22:30:02 -0200 | [diff] [blame] | 1368 | goto out_free_fd; |
| 1369 | |
Arnaldo Carvalho de Melo | 361c99a | 2011-01-11 20:56:53 -0200 | [diff] [blame] | 1370 | sym_evsel = list_entry(evsel_list->entries.next, struct perf_evsel, node); |
Arnaldo Carvalho de Melo | cc84158 | 2011-01-11 15:16:52 -0200 | [diff] [blame] | 1371 | |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 1372 | symbol_conf.priv_size = (sizeof(struct sym_entry) + |
Arnaldo Carvalho de Melo | 361c99a | 2011-01-11 20:56:53 -0200 | [diff] [blame] | 1373 | (evsel_list->nr_entries + 1) * sizeof(unsigned long)); |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 1374 | |
| 1375 | symbol_conf.try_vmlinux_path = (symbol_conf.vmlinux_name == NULL); |
| 1376 | if (symbol__init() < 0) |
| 1377 | return -1; |
| 1378 | |
Arnaldo Carvalho de Melo | 13cc507 | 2009-11-17 15:40:54 -0200 | [diff] [blame] | 1379 | get_term_dimensions(&winsize); |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 1380 | if (print_entries == 0) { |
Arnaldo Carvalho de Melo | 13cc507 | 2009-11-17 15:40:54 -0200 | [diff] [blame] | 1381 | update_print_entries(&winsize); |
Arnaldo Carvalho de Melo | 3b6ed98 | 2009-11-16 19:30:27 -0200 | [diff] [blame] | 1382 | signal(SIGWINCH, sig_winch_handler); |
| 1383 | } |
| 1384 | |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 1385 | status = __cmd_top(); |
| 1386 | out_free_fd: |
Arnaldo Carvalho de Melo | 361c99a | 2011-01-11 20:56:53 -0200 | [diff] [blame] | 1387 | perf_evlist__delete(evsel_list); |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 1388 | |
| 1389 | return status; |
Ingo Molnar | b456bae | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1390 | } |