blob: 8cb58d68a0061de28997216760c2e9626a9dbf74 [file] [log] [blame]
Ingo Molnarbf9e1872009-06-02 23:37:05 +02001/*
2 * builtin-report.c
3 *
4 * Builtin report command: Analyze the perf.data input file,
5 * look up and read DSOs and symbol information and display
6 * a histogram of results, along various sorting keys.
7 */
Ingo Molnar16f762a2009-05-27 09:10:38 +02008#include "builtin.h"
Ingo Molnar53cb8bc2009-05-26 09:17:18 +02009
Ingo Molnarbf9e1872009-06-02 23:37:05 +020010#include "util/util.h"
11
Ingo Molnar8fc03212009-06-04 15:19:47 +020012#include "util/color.h"
Arnaldo Carvalho de Melo5da50252009-07-01 14:46:08 -030013#include <linux/list.h>
Ingo Molnara930d2c2009-05-27 09:50:13 +020014#include "util/cache.h"
Arnaldo Carvalho de Melo43cbcd82009-07-01 12:28:37 -030015#include <linux/rbtree.h>
Arnaldo Carvalho de Meloa2928c42009-05-28 14:55:04 -030016#include "util/symbol.h"
Arnaldo Carvalho de Meloa0055ae2009-06-01 17:50:19 -030017#include "util/string.h"
Frederic Weisbeckerf55c5552009-06-26 16:28:01 +020018#include "util/callchain.h"
Arnaldo Carvalho de Melo25903402009-06-30 19:01:20 -030019#include "util/strlist.h"
Arnaldo Carvalho de Melo8fa66bd2009-05-18 12:45:42 -030020
Ingo Molnar53cb8bc2009-05-26 09:17:18 +020021#include "perf.h"
Peter Zijlstra7c6a1c62009-06-25 17:05:54 +020022#include "util/header.h"
Ingo Molnar53cb8bc2009-05-26 09:17:18 +020023
24#include "util/parse-options.h"
25#include "util/parse-events.h"
26
Arnaldo Carvalho de Melo8fa66bd2009-05-18 12:45:42 -030027#define SHOW_KERNEL 1
28#define SHOW_USER 2
29#define SHOW_HV 4
30
Ingo Molnar23ac9cb2009-05-27 09:33:18 +020031static char const *input_name = "perf.data";
Peter Zijlstra450aaa22009-05-27 20:20:23 +020032static char *vmlinux = NULL;
Ingo Molnarbd741372009-06-04 14:13:04 +020033
Pekka Enberg114cfab2009-08-05 13:25:21 +030034static char default_sort_order[] = "comm,dso,symbol";
Ingo Molnarbd741372009-06-04 14:13:04 +020035static char *sort_order = default_sort_order;
Arnaldo Carvalho de Melo52d422d2009-07-10 22:47:28 -030036static char *dso_list_str, *comm_list_str, *sym_list_str,
37 *col_width_list_str;
Arnaldo Carvalho de Melo7bec7a92009-06-30 19:01:22 -030038static struct strlist *dso_list, *comm_list, *sym_list;
Arnaldo Carvalho de Melo52d422d2009-07-10 22:47:28 -030039static char *field_sep;
Ingo Molnarbd741372009-06-04 14:13:04 +020040
Arnaldo Carvalho de Melo8fa66bd2009-05-18 12:45:42 -030041static int input;
42static int show_mask = SHOW_KERNEL | SHOW_USER | SHOW_HV;
43
Ingo Molnar97b07b62009-05-26 18:48:58 +020044static int dump_trace = 0;
Ingo Molnar35029732009-06-03 09:38:58 +020045#define dprintf(x...) do { if (dump_trace) printf(x); } while (0)
Ingo Molnar3efa1cc92009-06-14 15:04:15 +020046#define cdprintf(x...) do { if (dump_trace) color_fprintf(stdout, color, x); } while (0)
Ingo Molnar35029732009-06-03 09:38:58 +020047
Ingo Molnar16f762a2009-05-27 09:10:38 +020048static int verbose;
Ingo Molnar75220602009-06-18 08:00:17 +020049#define eprintf(x...) do { if (verbose) fprintf(stderr, x); } while (0)
50
Mike Galbraith42976482009-07-02 08:09:46 +020051static int modules;
52
Arnaldo Carvalho de Melob78c07d2009-05-29 13:48:59 -030053static int full_paths;
Arnaldo Carvalho de Meloe3d7e182009-07-11 12:18:37 -030054static int show_nr_samples;
Ingo Molnar97b07b62009-05-26 18:48:58 +020055
Arnaldo Carvalho de Melo8fa66bd2009-05-18 12:45:42 -030056static unsigned long page_size;
57static unsigned long mmap_window = 32;
58
Ingo Molnarb8e6d822009-06-18 14:32:19 +020059static char default_parent_pattern[] = "^sys_|^do_page_fault";
60static char *parent_pattern = default_parent_pattern;
Ingo Molnarb25bcf22009-06-18 07:01:03 +020061static regex_t parent_regex;
Peter Zijlstra6e7d6fd2009-06-17 15:51:44 +020062
Ingo Molnarb8e6d822009-06-18 14:32:19 +020063static int exclude_other = 1;
Frederic Weisbeckerbe903882009-07-05 07:39:18 +020064
Frederic Weisbecker805d1272009-07-05 07:39:21 +020065static char callchain_default_opt[] = "fractal,0.5";
66
Frederic Weisbeckerf55c5552009-06-26 16:28:01 +020067static int callchain;
Frederic Weisbecker805d1272009-07-05 07:39:21 +020068
69static
70struct callchain_param callchain_param = {
71 .mode = CHAIN_GRAPH_ABS,
72 .min_percent = 0.5
73};
Ingo Molnarb8e6d822009-06-18 14:32:19 +020074
Peter Zijlstrae6e18ec2009-06-25 11:27:12 +020075static u64 sample_type;
76
Arnaldo Carvalho de Melo8fa66bd2009-05-18 12:45:42 -030077struct ip_event {
78 struct perf_event_header header;
Paul Mackerras9cffa8d2009-06-19 22:21:42 +100079 u64 ip;
80 u32 pid, tid;
Ingo Molnar3efa1cc92009-06-14 15:04:15 +020081 unsigned char __more_data[];
Arnaldo Carvalho de Melo8fa66bd2009-05-18 12:45:42 -030082};
Ingo Molnar75051722009-06-03 23:14:49 +020083
Arnaldo Carvalho de Melo8fa66bd2009-05-18 12:45:42 -030084struct mmap_event {
85 struct perf_event_header header;
Paul Mackerras9cffa8d2009-06-19 22:21:42 +100086 u32 pid, tid;
87 u64 start;
88 u64 len;
89 u64 pgoff;
Arnaldo Carvalho de Melo8fa66bd2009-05-18 12:45:42 -030090 char filename[PATH_MAX];
91};
Ingo Molnar75051722009-06-03 23:14:49 +020092
Arnaldo Carvalho de Melo8fa66bd2009-05-18 12:45:42 -030093struct comm_event {
94 struct perf_event_header header;
Paul Mackerras9cffa8d2009-06-19 22:21:42 +100095 u32 pid, tid;
Arnaldo Carvalho de Melo8fa66bd2009-05-18 12:45:42 -030096 char comm[16];
97};
98
Peter Zijlstra62fc4452009-06-04 16:53:49 +020099struct fork_event {
100 struct perf_event_header header;
Paul Mackerras9cffa8d2009-06-19 22:21:42 +1000101 u32 pid, ppid;
Peter Zijlstra27d028d2009-07-23 16:52:41 +0200102 u32 tid, ptid;
Peter Zijlstra62fc4452009-06-04 16:53:49 +0200103};
104
Peter Zijlstra9d91a6f2009-06-18 11:40:28 +0200105struct lost_event {
106 struct perf_event_header header;
Paul Mackerras9cffa8d2009-06-19 22:21:42 +1000107 u64 id;
108 u64 lost;
Peter Zijlstra9d91a6f2009-06-18 11:40:28 +0200109};
110
Peter Zijlstrae9ea2fd2009-06-24 22:46:04 +0200111struct read_event {
112 struct perf_event_header header;
113 u32 pid,tid;
114 u64 value;
115 u64 format[3];
116};
117
Ingo Molnarb2fef072009-06-05 18:07:51 +0200118typedef union event_union {
119 struct perf_event_header header;
120 struct ip_event ip;
121 struct mmap_event mmap;
122 struct comm_event comm;
123 struct fork_event fork;
Peter Zijlstra9d91a6f2009-06-18 11:40:28 +0200124 struct lost_event lost;
Peter Zijlstrae9ea2fd2009-06-24 22:46:04 +0200125 struct read_event read;
Arnaldo Carvalho de Melo8fa66bd2009-05-18 12:45:42 -0300126} event_t;
127
Arnaldo Carvalho de Melo52d422d2009-07-10 22:47:28 -0300128static int repsep_fprintf(FILE *fp, const char *fmt, ...)
129{
130 int n;
131 va_list ap;
132
133 va_start(ap, fmt);
134 if (!field_sep)
135 n = vfprintf(fp, fmt, ap);
136 else {
137 char *bf = NULL;
138 n = vasprintf(&bf, fmt, ap);
139 if (n > 0) {
140 char *sep = bf;
141 while (1) {
142 sep = strchr(sep, *field_sep);
143 if (sep == NULL)
144 break;
145 *sep = '.';
146 }
147 }
148 fputs(bf, fp);
149 free(bf);
150 }
151 va_end(ap);
152 return n;
153}
154
Arnaldo Carvalho de Melo8fa66bd2009-05-18 12:45:42 -0300155static LIST_HEAD(dsos);
156static struct dso *kernel_dso;
Peter Zijlstrafc54db52009-06-05 14:04:59 +0200157static struct dso *vdso;
Anton Blanchardfb9c8182009-07-01 09:00:49 +1000158static struct dso *hypervisor_dso;
Arnaldo Carvalho de Melo8fa66bd2009-05-18 12:45:42 -0300159
160static void dsos__add(struct dso *dso)
161{
162 list_add_tail(&dso->node, &dsos);
163}
164
165static struct dso *dsos__find(const char *name)
166{
167 struct dso *pos;
168
169 list_for_each_entry(pos, &dsos, node)
170 if (strcmp(pos->name, name) == 0)
171 return pos;
172 return NULL;
173}
174
175static struct dso *dsos__findnew(const char *name)
176{
177 struct dso *dso = dsos__find(name);
Peter Zijlstrab7a16ea2009-05-27 13:35:35 +0200178 int nr;
Arnaldo Carvalho de Melo8fa66bd2009-05-18 12:45:42 -0300179
Ingo Molnar4593bba2009-06-02 15:34:25 +0200180 if (dso)
181 return dso;
Arnaldo Carvalho de Melo8fa66bd2009-05-18 12:45:42 -0300182
Ingo Molnar4593bba2009-06-02 15:34:25 +0200183 dso = dso__new(name, 0);
184 if (!dso)
185 goto out_delete_dso;
Peter Zijlstrab7a16ea2009-05-27 13:35:35 +0200186
Ingo Molnarbd741372009-06-04 14:13:04 +0200187 nr = dso__load(dso, NULL, verbose);
Ingo Molnar4593bba2009-06-02 15:34:25 +0200188 if (nr < 0) {
Ingo Molnar75220602009-06-18 08:00:17 +0200189 eprintf("Failed to open: %s\n", name);
Ingo Molnar4593bba2009-06-02 15:34:25 +0200190 goto out_delete_dso;
Arnaldo Carvalho de Melo8fa66bd2009-05-18 12:45:42 -0300191 }
Ingo Molnar75220602009-06-18 08:00:17 +0200192 if (!nr)
193 eprintf("No symbols found in: %s, maybe install a debug package?\n", name);
Ingo Molnar4593bba2009-06-02 15:34:25 +0200194
195 dsos__add(dso);
Arnaldo Carvalho de Melo8fa66bd2009-05-18 12:45:42 -0300196
197 return dso;
198
199out_delete_dso:
200 dso__delete(dso);
201 return NULL;
202}
203
Ingo Molnar16f762a2009-05-27 09:10:38 +0200204static void dsos__fprintf(FILE *fp)
Arnaldo Carvalho de Melo8fa66bd2009-05-18 12:45:42 -0300205{
206 struct dso *pos;
207
208 list_for_each_entry(pos, &dsos, node)
209 dso__fprintf(pos, fp);
210}
211
Paul Mackerras9cffa8d2009-06-19 22:21:42 +1000212static struct symbol *vdso__find_symbol(struct dso *dso, u64 ip)
Peter Zijlstrafc54db52009-06-05 14:04:59 +0200213{
Ingo Molnarf37a2912009-07-01 12:37:06 +0200214 return dso__find_symbol(dso, ip);
Peter Zijlstrafc54db52009-06-05 14:04:59 +0200215}
216
Peter Zijlstra450aaa22009-05-27 20:20:23 +0200217static int load_kernel(void)
218{
Arnaldo Carvalho de Meloa827c872009-05-28 14:55:19 -0300219 int err;
Peter Zijlstra450aaa22009-05-27 20:20:23 +0200220
Arnaldo Carvalho de Melo0085c9542009-05-28 14:55:13 -0300221 kernel_dso = dso__new("[kernel]", 0);
Peter Zijlstra450aaa22009-05-27 20:20:23 +0200222 if (!kernel_dso)
Arnaldo Carvalho de Meloa2928c42009-05-28 14:55:04 -0300223 return -1;
Peter Zijlstra450aaa22009-05-27 20:20:23 +0200224
Mike Galbraith42976482009-07-02 08:09:46 +0200225 err = dso__load_kernel(kernel_dso, vmlinux, NULL, verbose, modules);
Mike Galbraith9974f492009-07-02 08:05:58 +0200226 if (err <= 0) {
Arnaldo Carvalho de Meloa2928c42009-05-28 14:55:04 -0300227 dso__delete(kernel_dso);
228 kernel_dso = NULL;
229 } else
230 dsos__add(kernel_dso);
Peter Zijlstra450aaa22009-05-27 20:20:23 +0200231
Peter Zijlstrafc54db52009-06-05 14:04:59 +0200232 vdso = dso__new("[vdso]", 0);
233 if (!vdso)
234 return -1;
235
236 vdso->find_symbol = vdso__find_symbol;
237
238 dsos__add(vdso);
239
Anton Blanchardfb9c8182009-07-01 09:00:49 +1000240 hypervisor_dso = dso__new("[hypervisor]", 0);
241 if (!hypervisor_dso)
242 return -1;
243 dsos__add(hypervisor_dso);
244
Arnaldo Carvalho de Meloa2928c42009-05-28 14:55:04 -0300245 return err;
Peter Zijlstra450aaa22009-05-27 20:20:23 +0200246}
247
Ingo Molnard80d3382009-06-03 23:14:49 +0200248static char __cwd[PATH_MAX];
249static char *cwd = __cwd;
250static int cwdlen;
251
252static int strcommon(const char *pathname)
Arnaldo Carvalho de Melob78c07d2009-05-29 13:48:59 -0300253{
254 int n = 0;
255
Roel Kluin7e030652009-08-02 13:43:11 +0200256 while (n < cwdlen && pathname[n] == cwd[n])
Arnaldo Carvalho de Melob78c07d2009-05-29 13:48:59 -0300257 ++n;
258
259 return n;
260}
261
Arnaldo Carvalho de Melo8fa66bd2009-05-18 12:45:42 -0300262struct map {
263 struct list_head node;
Paul Mackerras9cffa8d2009-06-19 22:21:42 +1000264 u64 start;
265 u64 end;
266 u64 pgoff;
267 u64 (*map_ip)(struct map *, u64);
Arnaldo Carvalho de Melo8fa66bd2009-05-18 12:45:42 -0300268 struct dso *dso;
269};
270
Paul Mackerras9cffa8d2009-06-19 22:21:42 +1000271static u64 map__map_ip(struct map *map, u64 ip)
Peter Zijlstrafc54db52009-06-05 14:04:59 +0200272{
273 return ip - map->start + map->pgoff;
274}
275
Ingo Molnarf37a2912009-07-01 12:37:06 +0200276static u64 vdso__map_ip(struct map *map __used, u64 ip)
Peter Zijlstrafc54db52009-06-05 14:04:59 +0200277{
278 return ip;
279}
280
Pekka Enberg80d496b2009-06-08 21:12:48 +0300281static inline int is_anon_memory(const char *filename)
282{
Arnaldo Carvalho de Melocc8b88b2009-06-30 19:01:21 -0300283 return strcmp(filename, "//anon") == 0;
Pekka Enberg80d496b2009-06-08 21:12:48 +0300284}
285
Ingo Molnard80d3382009-06-03 23:14:49 +0200286static struct map *map__new(struct mmap_event *event)
Arnaldo Carvalho de Melo8fa66bd2009-05-18 12:45:42 -0300287{
288 struct map *self = malloc(sizeof(*self));
289
290 if (self != NULL) {
Arnaldo Carvalho de Melob78c07d2009-05-29 13:48:59 -0300291 const char *filename = event->filename;
292 char newfilename[PATH_MAX];
Pekka Enberg80d496b2009-06-08 21:12:48 +0300293 int anon;
Arnaldo Carvalho de Melob78c07d2009-05-29 13:48:59 -0300294
295 if (cwd) {
Ingo Molnard80d3382009-06-03 23:14:49 +0200296 int n = strcommon(filename);
297
Arnaldo Carvalho de Melob78c07d2009-05-29 13:48:59 -0300298 if (n == cwdlen) {
299 snprintf(newfilename, sizeof(newfilename),
300 ".%s", filename + n);
301 filename = newfilename;
302 }
303 }
304
Pekka Enberg80d496b2009-06-08 21:12:48 +0300305 anon = is_anon_memory(filename);
306
307 if (anon) {
308 snprintf(newfilename, sizeof(newfilename), "/tmp/perf-%d.map", event->pid);
309 filename = newfilename;
310 }
311
Arnaldo Carvalho de Melo8fa66bd2009-05-18 12:45:42 -0300312 self->start = event->start;
313 self->end = event->start + event->len;
314 self->pgoff = event->pgoff;
315
Arnaldo Carvalho de Melob78c07d2009-05-29 13:48:59 -0300316 self->dso = dsos__findnew(filename);
Arnaldo Carvalho de Melo8fa66bd2009-05-18 12:45:42 -0300317 if (self->dso == NULL)
318 goto out_delete;
Peter Zijlstrafc54db52009-06-05 14:04:59 +0200319
Pekka Enberg80d496b2009-06-08 21:12:48 +0300320 if (self->dso == vdso || anon)
Peter Zijlstrafc54db52009-06-05 14:04:59 +0200321 self->map_ip = vdso__map_ip;
322 else
323 self->map_ip = map__map_ip;
Arnaldo Carvalho de Melo8fa66bd2009-05-18 12:45:42 -0300324 }
325 return self;
326out_delete:
327 free(self);
328 return NULL;
329}
330
Peter Zijlstra62fc4452009-06-04 16:53:49 +0200331static struct map *map__clone(struct map *self)
332{
333 struct map *map = malloc(sizeof(*self));
334
335 if (!map)
336 return NULL;
337
338 memcpy(map, self, sizeof(*self));
339
340 return map;
341}
342
343static int map__overlap(struct map *l, struct map *r)
344{
345 if (l->start > r->start) {
346 struct map *t = l;
347 l = r;
348 r = t;
349 }
350
351 if (l->end > r->start)
352 return 1;
353
354 return 0;
355}
Arnaldo Carvalho de Melo3a4b8cc2009-05-26 16:19:04 -0300356
Arnaldo Carvalho de Melo9ac99542009-06-04 13:54:00 -0300357static size_t map__fprintf(struct map *self, FILE *fp)
358{
Ingo Molnar729ff5e22009-06-11 14:16:15 +0200359 return fprintf(fp, " %Lx-%Lx %Lx %s\n",
Arnaldo Carvalho de Melo9ac99542009-06-04 13:54:00 -0300360 self->start, self->end, self->pgoff, self->dso->name);
361}
362
363
Arnaldo Carvalho de Melo8fa66bd2009-05-18 12:45:42 -0300364struct thread {
Arnaldo Carvalho de Meloce7e4362009-05-19 09:30:23 -0300365 struct rb_node rb_node;
Arnaldo Carvalho de Melo8fa66bd2009-05-18 12:45:42 -0300366 struct list_head maps;
Arnaldo Carvalho de Melo8fa66bd2009-05-18 12:45:42 -0300367 pid_t pid;
368 char *comm;
369};
370
371static struct thread *thread__new(pid_t pid)
372{
373 struct thread *self = malloc(sizeof(*self));
374
375 if (self != NULL) {
376 self->pid = pid;
Peter Zijlstra82292892009-06-03 12:37:36 +0200377 self->comm = malloc(32);
Ingo Molnar0a520c62009-06-02 23:24:45 +0200378 if (self->comm)
Peter Zijlstra82292892009-06-03 12:37:36 +0200379 snprintf(self->comm, 32, ":%d", self->pid);
Arnaldo Carvalho de Melo8fa66bd2009-05-18 12:45:42 -0300380 INIT_LIST_HEAD(&self->maps);
Arnaldo Carvalho de Melo8fa66bd2009-05-18 12:45:42 -0300381 }
382
383 return self;
384}
385
Arnaldo Carvalho de Melo52d422d2009-07-10 22:47:28 -0300386static unsigned int dsos__col_width,
387 comms__col_width,
388 threads__col_width;
389
Arnaldo Carvalho de Melo8fa66bd2009-05-18 12:45:42 -0300390static int thread__set_comm(struct thread *self, const char *comm)
391{
Peter Zijlstra82292892009-06-03 12:37:36 +0200392 if (self->comm)
393 free(self->comm);
Arnaldo Carvalho de Melo8fa66bd2009-05-18 12:45:42 -0300394 self->comm = strdup(comm);
Arnaldo Carvalho de Melo52d422d2009-07-10 22:47:28 -0300395 if (!self->comm)
396 return -ENOMEM;
397
398 if (!col_width_list_str && !field_sep &&
399 (!comm_list || strlist__has_entry(comm_list, comm))) {
400 unsigned int slen = strlen(comm);
401 if (slen > comms__col_width) {
402 comms__col_width = slen;
403 threads__col_width = slen + 6;
404 }
405 }
406
407 return 0;
Arnaldo Carvalho de Melo8fa66bd2009-05-18 12:45:42 -0300408}
409
Arnaldo Carvalho de Melo9ac99542009-06-04 13:54:00 -0300410static size_t thread__fprintf(struct thread *self, FILE *fp)
411{
412 struct map *pos;
413 size_t ret = fprintf(fp, "Thread %d %s\n", self->pid, self->comm);
414
415 list_for_each_entry(pos, &self->maps, node)
416 ret += map__fprintf(pos, fp);
417
418 return ret;
419}
420
421
Ingo Molnar16f762a2009-05-27 09:10:38 +0200422static struct rb_root threads;
Ingo Molnareed4dcd2009-06-03 19:59:24 +0200423static struct thread *last_match;
Arnaldo Carvalho de Melo8fa66bd2009-05-18 12:45:42 -0300424
425static struct thread *threads__findnew(pid_t pid)
426{
Arnaldo Carvalho de Meloce7e4362009-05-19 09:30:23 -0300427 struct rb_node **p = &threads.rb_node;
428 struct rb_node *parent = NULL;
429 struct thread *th;
Arnaldo Carvalho de Melo8fa66bd2009-05-18 12:45:42 -0300430
Ingo Molnareed4dcd2009-06-03 19:59:24 +0200431 /*
432 * Font-end cache - PID lookups come in blocks,
433 * so most of the time we dont have to look up
434 * the full rbtree:
435 */
436 if (last_match && last_match->pid == pid)
437 return last_match;
438
Arnaldo Carvalho de Meloce7e4362009-05-19 09:30:23 -0300439 while (*p != NULL) {
440 parent = *p;
441 th = rb_entry(parent, struct thread, rb_node);
442
Ingo Molnareed4dcd2009-06-03 19:59:24 +0200443 if (th->pid == pid) {
444 last_match = th;
Arnaldo Carvalho de Meloce7e4362009-05-19 09:30:23 -0300445 return th;
Ingo Molnareed4dcd2009-06-03 19:59:24 +0200446 }
Arnaldo Carvalho de Meloce7e4362009-05-19 09:30:23 -0300447
448 if (pid < th->pid)
449 p = &(*p)->rb_left;
450 else
451 p = &(*p)->rb_right;
Arnaldo Carvalho de Melo8fa66bd2009-05-18 12:45:42 -0300452 }
453
Arnaldo Carvalho de Meloce7e4362009-05-19 09:30:23 -0300454 th = thread__new(pid);
455 if (th != NULL) {
456 rb_link_node(&th->rb_node, parent, p);
457 rb_insert_color(&th->rb_node, &threads);
Ingo Molnareed4dcd2009-06-03 19:59:24 +0200458 last_match = th;
Arnaldo Carvalho de Meloce7e4362009-05-19 09:30:23 -0300459 }
Ingo Molnareed4dcd2009-06-03 19:59:24 +0200460
Arnaldo Carvalho de Meloce7e4362009-05-19 09:30:23 -0300461 return th;
Arnaldo Carvalho de Melo8fa66bd2009-05-18 12:45:42 -0300462}
463
464static void thread__insert_map(struct thread *self, struct map *map)
465{
Peter Zijlstra62fc4452009-06-04 16:53:49 +0200466 struct map *pos, *tmp;
467
468 list_for_each_entry_safe(pos, tmp, &self->maps, node) {
469 if (map__overlap(pos, map)) {
Peter Zijlstra3d906ef2009-06-23 11:23:07 +0200470 if (verbose >= 2) {
471 printf("overlapping maps:\n");
472 map__fprintf(map, stdout);
473 map__fprintf(pos, stdout);
474 }
475
476 if (map->start <= pos->start && map->end > pos->start)
477 pos->start = map->end;
478
479 if (map->end >= pos->end && map->start < pos->end)
480 pos->end = map->start;
481
482 if (verbose >= 2) {
483 printf("after collision:\n");
484 map__fprintf(pos, stdout);
485 }
486
487 if (pos->start >= pos->end) {
488 list_del_init(&pos->node);
489 free(pos);
490 }
Peter Zijlstra62fc4452009-06-04 16:53:49 +0200491 }
492 }
493
Arnaldo Carvalho de Melo8fa66bd2009-05-18 12:45:42 -0300494 list_add_tail(&map->node, &self->maps);
495}
496
Peter Zijlstra62fc4452009-06-04 16:53:49 +0200497static int thread__fork(struct thread *self, struct thread *parent)
498{
499 struct map *map;
500
501 if (self->comm)
502 free(self->comm);
503 self->comm = strdup(parent->comm);
504 if (!self->comm)
505 return -ENOMEM;
506
507 list_for_each_entry(map, &parent->maps, node) {
508 struct map *new = map__clone(map);
509 if (!new)
510 return -ENOMEM;
511 thread__insert_map(self, new);
512 }
513
514 return 0;
515}
516
Paul Mackerras9cffa8d2009-06-19 22:21:42 +1000517static struct map *thread__find_map(struct thread *self, u64 ip)
Arnaldo Carvalho de Melo8fa66bd2009-05-18 12:45:42 -0300518{
Ingo Molnar16f762a2009-05-27 09:10:38 +0200519 struct map *pos;
520
Arnaldo Carvalho de Melo8fa66bd2009-05-18 12:45:42 -0300521 if (self == NULL)
522 return NULL;
523
Arnaldo Carvalho de Melo8fa66bd2009-05-18 12:45:42 -0300524 list_for_each_entry(pos, &self->maps, node)
525 if (ip >= pos->start && ip <= pos->end)
526 return pos;
527
528 return NULL;
529}
530
Arnaldo Carvalho de Melo9ac99542009-06-04 13:54:00 -0300531static size_t threads__fprintf(FILE *fp)
532{
533 size_t ret = 0;
534 struct rb_node *nd;
535
536 for (nd = rb_first(&threads); nd; nd = rb_next(nd)) {
537 struct thread *pos = rb_entry(nd, struct thread, rb_node);
538
539 ret += thread__fprintf(pos, fp);
540 }
541
542 return ret;
543}
544
Peter Zijlstrae7fb08b2009-05-27 20:20:24 +0200545/*
546 * histogram, sorted on item, collects counts
547 */
548
549static struct rb_root hist;
550
551struct hist_entry {
Frederic Weisbeckerf55c5552009-06-26 16:28:01 +0200552 struct rb_node rb_node;
Peter Zijlstrae7fb08b2009-05-27 20:20:24 +0200553
Frederic Weisbeckerf55c5552009-06-26 16:28:01 +0200554 struct thread *thread;
555 struct map *map;
556 struct dso *dso;
557 struct symbol *sym;
558 struct symbol *parent;
559 u64 ip;
560 char level;
561 struct callchain_node callchain;
562 struct rb_root sorted_chain;
Peter Zijlstrae7fb08b2009-05-27 20:20:24 +0200563
Frederic Weisbeckerf55c5552009-06-26 16:28:01 +0200564 u64 count;
Peter Zijlstrae7fb08b2009-05-27 20:20:24 +0200565};
566
Peter Zijlstra1aa16732009-05-27 20:20:25 +0200567/*
568 * configurable sorting bits
569 */
570
571struct sort_entry {
572 struct list_head list;
573
Peter Zijlstraca8cdee2009-05-28 11:08:33 +0200574 char *header;
575
Peter Zijlstra1aa16732009-05-27 20:20:25 +0200576 int64_t (*cmp)(struct hist_entry *, struct hist_entry *);
Peter Zijlstra82292892009-06-03 12:37:36 +0200577 int64_t (*collapse)(struct hist_entry *, struct hist_entry *);
Arnaldo Carvalho de Melo52d422d2009-07-10 22:47:28 -0300578 size_t (*print)(FILE *fp, struct hist_entry *, unsigned int width);
579 unsigned int *width;
Arnaldo Carvalho de Melo021191b2009-07-11 12:18:35 -0300580 bool elide;
Peter Zijlstra1aa16732009-05-27 20:20:25 +0200581};
582
Peter Zijlstra6e7d6fd2009-06-17 15:51:44 +0200583static int64_t cmp_null(void *l, void *r)
584{
585 if (!l && !r)
586 return 0;
587 else if (!l)
588 return -1;
589 else
590 return 1;
591}
592
Peter Zijlstra82292892009-06-03 12:37:36 +0200593/* --sort pid */
594
Peter Zijlstrae7fb08b2009-05-27 20:20:24 +0200595static int64_t
Peter Zijlstra1aa16732009-05-27 20:20:25 +0200596sort__thread_cmp(struct hist_entry *left, struct hist_entry *right)
597{
598 return right->thread->pid - left->thread->pid;
599}
600
601static size_t
Arnaldo Carvalho de Melo52d422d2009-07-10 22:47:28 -0300602sort__thread_print(FILE *fp, struct hist_entry *self, unsigned int width)
Peter Zijlstra1aa16732009-05-27 20:20:25 +0200603{
Arnaldo Carvalho de Melo52d422d2009-07-10 22:47:28 -0300604 return repsep_fprintf(fp, "%*s:%5d", width - 6,
605 self->thread->comm ?: "", self->thread->pid);
Peter Zijlstra1aa16732009-05-27 20:20:25 +0200606}
607
608static struct sort_entry sort_thread = {
Arnaldo Carvalho de Melo52d422d2009-07-10 22:47:28 -0300609 .header = "Command: Pid",
Peter Zijlstra1aa16732009-05-27 20:20:25 +0200610 .cmp = sort__thread_cmp,
611 .print = sort__thread_print,
Arnaldo Carvalho de Melo52d422d2009-07-10 22:47:28 -0300612 .width = &threads__col_width,
Peter Zijlstra1aa16732009-05-27 20:20:25 +0200613};
614
Peter Zijlstra82292892009-06-03 12:37:36 +0200615/* --sort comm */
616
Peter Zijlstra1aa16732009-05-27 20:20:25 +0200617static int64_t
Peter Zijlstra992444b2009-05-27 20:20:27 +0200618sort__comm_cmp(struct hist_entry *left, struct hist_entry *right)
619{
Peter Zijlstra82292892009-06-03 12:37:36 +0200620 return right->thread->pid - left->thread->pid;
621}
622
623static int64_t
624sort__comm_collapse(struct hist_entry *left, struct hist_entry *right)
625{
Peter Zijlstra992444b2009-05-27 20:20:27 +0200626 char *comm_l = left->thread->comm;
627 char *comm_r = right->thread->comm;
628
Peter Zijlstra6e7d6fd2009-06-17 15:51:44 +0200629 if (!comm_l || !comm_r)
630 return cmp_null(comm_l, comm_r);
Peter Zijlstra992444b2009-05-27 20:20:27 +0200631
632 return strcmp(comm_l, comm_r);
633}
634
635static size_t
Arnaldo Carvalho de Melo52d422d2009-07-10 22:47:28 -0300636sort__comm_print(FILE *fp, struct hist_entry *self, unsigned int width)
Peter Zijlstra992444b2009-05-27 20:20:27 +0200637{
Arnaldo Carvalho de Melo52d422d2009-07-10 22:47:28 -0300638 return repsep_fprintf(fp, "%*s", width, self->thread->comm);
Peter Zijlstra992444b2009-05-27 20:20:27 +0200639}
640
641static struct sort_entry sort_comm = {
Arnaldo Carvalho de Melo52d422d2009-07-10 22:47:28 -0300642 .header = "Command",
Peter Zijlstra82292892009-06-03 12:37:36 +0200643 .cmp = sort__comm_cmp,
644 .collapse = sort__comm_collapse,
645 .print = sort__comm_print,
Arnaldo Carvalho de Melo52d422d2009-07-10 22:47:28 -0300646 .width = &comms__col_width,
Peter Zijlstra992444b2009-05-27 20:20:27 +0200647};
648
Peter Zijlstra82292892009-06-03 12:37:36 +0200649/* --sort dso */
650
Peter Zijlstra992444b2009-05-27 20:20:27 +0200651static int64_t
Peter Zijlstra55e5ec42009-05-27 20:20:28 +0200652sort__dso_cmp(struct hist_entry *left, struct hist_entry *right)
653{
654 struct dso *dso_l = left->dso;
655 struct dso *dso_r = right->dso;
656
Peter Zijlstra6e7d6fd2009-06-17 15:51:44 +0200657 if (!dso_l || !dso_r)
658 return cmp_null(dso_l, dso_r);
Peter Zijlstra55e5ec42009-05-27 20:20:28 +0200659
660 return strcmp(dso_l->name, dso_r->name);
661}
662
663static size_t
Arnaldo Carvalho de Melo52d422d2009-07-10 22:47:28 -0300664sort__dso_print(FILE *fp, struct hist_entry *self, unsigned int width)
Peter Zijlstra55e5ec42009-05-27 20:20:28 +0200665{
Ingo Molnar0a520c62009-06-02 23:24:45 +0200666 if (self->dso)
Arnaldo Carvalho de Melo52d422d2009-07-10 22:47:28 -0300667 return repsep_fprintf(fp, "%-*s", width, self->dso->name);
Ingo Molnar0a520c62009-06-02 23:24:45 +0200668
Arnaldo Carvalho de Melo52d422d2009-07-10 22:47:28 -0300669 return repsep_fprintf(fp, "%*llx", width, (u64)self->ip);
Peter Zijlstra55e5ec42009-05-27 20:20:28 +0200670}
671
672static struct sort_entry sort_dso = {
Arnaldo Carvalho de Melo52d422d2009-07-10 22:47:28 -0300673 .header = "Shared Object",
Peter Zijlstra55e5ec42009-05-27 20:20:28 +0200674 .cmp = sort__dso_cmp,
675 .print = sort__dso_print,
Arnaldo Carvalho de Melo52d422d2009-07-10 22:47:28 -0300676 .width = &dsos__col_width,
Peter Zijlstra55e5ec42009-05-27 20:20:28 +0200677};
678
Peter Zijlstra82292892009-06-03 12:37:36 +0200679/* --sort symbol */
680
Peter Zijlstra55e5ec42009-05-27 20:20:28 +0200681static int64_t
Peter Zijlstra1aa16732009-05-27 20:20:25 +0200682sort__sym_cmp(struct hist_entry *left, struct hist_entry *right)
Arnaldo Carvalho de Melo8fa66bd2009-05-18 12:45:42 -0300683{
Paul Mackerras9cffa8d2009-06-19 22:21:42 +1000684 u64 ip_l, ip_r;
Peter Zijlstrae7fb08b2009-05-27 20:20:24 +0200685
686 if (left->sym == right->sym)
687 return 0;
688
689 ip_l = left->sym ? left->sym->start : left->ip;
690 ip_r = right->sym ? right->sym->start : right->ip;
691
692 return (int64_t)(ip_r - ip_l);
Arnaldo Carvalho de Melo8fa66bd2009-05-18 12:45:42 -0300693}
694
Peter Zijlstra1aa16732009-05-27 20:20:25 +0200695static size_t
Arnaldo Carvalho de Melo52d422d2009-07-10 22:47:28 -0300696sort__sym_print(FILE *fp, struct hist_entry *self, unsigned int width __used)
Peter Zijlstra1aa16732009-05-27 20:20:25 +0200697{
698 size_t ret = 0;
699
Peter Zijlstra1aa16732009-05-27 20:20:25 +0200700 if (verbose)
Arnaldo Carvalho de Melo52d422d2009-07-10 22:47:28 -0300701 ret += repsep_fprintf(fp, "%#018llx ", (u64)self->ip);
Peter Zijlstra1aa16732009-05-27 20:20:25 +0200702
Arnaldo Carvalho de Melo60c1baf2009-07-11 12:18:33 -0300703 ret += repsep_fprintf(fp, "[%c] ", self->level);
Ingo Molnar8edd4282009-06-05 14:13:18 +0200704 if (self->sym) {
Arnaldo Carvalho de Melo60c1baf2009-07-11 12:18:33 -0300705 ret += repsep_fprintf(fp, "%s", self->sym->name);
Mike Galbraith42976482009-07-02 08:09:46 +0200706
707 if (self->sym->module)
Arnaldo Carvalho de Melo52d422d2009-07-10 22:47:28 -0300708 ret += repsep_fprintf(fp, "\t[%s]",
709 self->sym->module->name);
Ingo Molnar8edd4282009-06-05 14:13:18 +0200710 } else {
Arnaldo Carvalho de Melo52d422d2009-07-10 22:47:28 -0300711 ret += repsep_fprintf(fp, "%#016llx", (u64)self->ip);
Ingo Molnar8edd4282009-06-05 14:13:18 +0200712 }
Peter Zijlstra1aa16732009-05-27 20:20:25 +0200713
714 return ret;
715}
716
717static struct sort_entry sort_sym = {
Peter Zijlstra71dd8942009-06-04 15:16:56 +0200718 .header = "Symbol",
Peter Zijlstraca8cdee2009-05-28 11:08:33 +0200719 .cmp = sort__sym_cmp,
720 .print = sort__sym_print,
Peter Zijlstra1aa16732009-05-27 20:20:25 +0200721};
722
Ingo Molnarb25bcf22009-06-18 07:01:03 +0200723/* --sort parent */
Peter Zijlstra6e7d6fd2009-06-17 15:51:44 +0200724
725static int64_t
Ingo Molnarb25bcf22009-06-18 07:01:03 +0200726sort__parent_cmp(struct hist_entry *left, struct hist_entry *right)
Peter Zijlstra6e7d6fd2009-06-17 15:51:44 +0200727{
Ingo Molnarb25bcf22009-06-18 07:01:03 +0200728 struct symbol *sym_l = left->parent;
729 struct symbol *sym_r = right->parent;
Peter Zijlstra6e7d6fd2009-06-17 15:51:44 +0200730
731 if (!sym_l || !sym_r)
732 return cmp_null(sym_l, sym_r);
733
734 return strcmp(sym_l->name, sym_r->name);
735}
736
737static size_t
Arnaldo Carvalho de Melo52d422d2009-07-10 22:47:28 -0300738sort__parent_print(FILE *fp, struct hist_entry *self, unsigned int width)
Peter Zijlstra6e7d6fd2009-06-17 15:51:44 +0200739{
Arnaldo Carvalho de Melo52d422d2009-07-10 22:47:28 -0300740 return repsep_fprintf(fp, "%-*s", width,
741 self->parent ? self->parent->name : "[other]");
Peter Zijlstra6e7d6fd2009-06-17 15:51:44 +0200742}
743
Arnaldo Carvalho de Melo52d422d2009-07-10 22:47:28 -0300744static unsigned int parent_symbol__col_width;
745
Ingo Molnarb25bcf22009-06-18 07:01:03 +0200746static struct sort_entry sort_parent = {
Arnaldo Carvalho de Melo52d422d2009-07-10 22:47:28 -0300747 .header = "Parent symbol",
Ingo Molnarb25bcf22009-06-18 07:01:03 +0200748 .cmp = sort__parent_cmp,
749 .print = sort__parent_print,
Arnaldo Carvalho de Melo52d422d2009-07-10 22:47:28 -0300750 .width = &parent_symbol__col_width,
Peter Zijlstra6e7d6fd2009-06-17 15:51:44 +0200751};
752
Peter Zijlstra82292892009-06-03 12:37:36 +0200753static int sort__need_collapse = 0;
Ingo Molnarb25bcf22009-06-18 07:01:03 +0200754static int sort__has_parent = 0;
Peter Zijlstra82292892009-06-03 12:37:36 +0200755
Peter Zijlstra37f440c2009-05-27 20:20:26 +0200756struct sort_dimension {
Ingo Molnar8edd4282009-06-05 14:13:18 +0200757 char *name;
758 struct sort_entry *entry;
759 int taken;
Peter Zijlstra37f440c2009-05-27 20:20:26 +0200760};
761
762static struct sort_dimension sort_dimensions[] = {
763 { .name = "pid", .entry = &sort_thread, },
Peter Zijlstra992444b2009-05-27 20:20:27 +0200764 { .name = "comm", .entry = &sort_comm, },
Peter Zijlstra55e5ec42009-05-27 20:20:28 +0200765 { .name = "dso", .entry = &sort_dso, },
Peter Zijlstra37f440c2009-05-27 20:20:26 +0200766 { .name = "symbol", .entry = &sort_sym, },
Ingo Molnarb25bcf22009-06-18 07:01:03 +0200767 { .name = "parent", .entry = &sort_parent, },
Peter Zijlstra37f440c2009-05-27 20:20:26 +0200768};
769
Peter Zijlstra1aa16732009-05-27 20:20:25 +0200770static LIST_HEAD(hist_entry__sort_list);
771
Peter Zijlstra37f440c2009-05-27 20:20:26 +0200772static int sort_dimension__add(char *tok)
773{
Ingo Molnarf37a2912009-07-01 12:37:06 +0200774 unsigned int i;
Peter Zijlstra37f440c2009-05-27 20:20:26 +0200775
776 for (i = 0; i < ARRAY_SIZE(sort_dimensions); i++) {
777 struct sort_dimension *sd = &sort_dimensions[i];
778
779 if (sd->taken)
780 continue;
781
Ingo Molnar5352f352009-06-03 10:07:39 +0200782 if (strncasecmp(tok, sd->name, strlen(tok)))
Peter Zijlstra37f440c2009-05-27 20:20:26 +0200783 continue;
784
Peter Zijlstra82292892009-06-03 12:37:36 +0200785 if (sd->entry->collapse)
786 sort__need_collapse = 1;
787
Ingo Molnarb25bcf22009-06-18 07:01:03 +0200788 if (sd->entry == &sort_parent) {
789 int ret = regcomp(&parent_regex, parent_pattern, REG_EXTENDED);
Peter Zijlstra6e7d6fd2009-06-17 15:51:44 +0200790 if (ret) {
791 char err[BUFSIZ];
792
Ingo Molnarb25bcf22009-06-18 07:01:03 +0200793 regerror(ret, &parent_regex, err, sizeof(err));
794 fprintf(stderr, "Invalid regex: %s\n%s",
795 parent_pattern, err);
Peter Zijlstra6e7d6fd2009-06-17 15:51:44 +0200796 exit(-1);
797 }
Ingo Molnarb25bcf22009-06-18 07:01:03 +0200798 sort__has_parent = 1;
Peter Zijlstra6e7d6fd2009-06-17 15:51:44 +0200799 }
800
Peter Zijlstra37f440c2009-05-27 20:20:26 +0200801 list_add_tail(&sd->entry->list, &hist_entry__sort_list);
802 sd->taken = 1;
Ingo Molnar5352f352009-06-03 10:07:39 +0200803
Peter Zijlstra37f440c2009-05-27 20:20:26 +0200804 return 0;
805 }
806
807 return -ESRCH;
808}
809
Peter Zijlstra1aa16732009-05-27 20:20:25 +0200810static int64_t
811hist_entry__cmp(struct hist_entry *left, struct hist_entry *right)
812{
813 struct sort_entry *se;
814 int64_t cmp = 0;
815
816 list_for_each_entry(se, &hist_entry__sort_list, list) {
817 cmp = se->cmp(left, right);
818 if (cmp)
819 break;
820 }
821
822 return cmp;
823}
824
Peter Zijlstra82292892009-06-03 12:37:36 +0200825static int64_t
826hist_entry__collapse(struct hist_entry *left, struct hist_entry *right)
827{
828 struct sort_entry *se;
829 int64_t cmp = 0;
830
831 list_for_each_entry(se, &hist_entry__sort_list, list) {
832 int64_t (*f)(struct hist_entry *, struct hist_entry *);
833
834 f = se->collapse ?: se->cmp;
835
836 cmp = f(left, right);
837 if (cmp)
838 break;
839 }
840
841 return cmp;
842}
843
Frederic Weisbecker4eb3e472009-07-02 17:58:21 +0200844static size_t ipchain__fprintf_graph_line(FILE *fp, int depth, int depth_mask)
845{
846 int i;
847 size_t ret = 0;
848
849 ret += fprintf(fp, "%s", " ");
850
851 for (i = 0; i < depth; i++)
852 if (depth_mask & (1 << i))
853 ret += fprintf(fp, "| ");
854 else
855 ret += fprintf(fp, " ");
856
857 ret += fprintf(fp, "\n");
858
859 return ret;
860}
Peter Zijlstra1aa16732009-05-27 20:20:25 +0200861static size_t
Frederic Weisbecker4eb3e472009-07-02 17:58:21 +0200862ipchain__fprintf_graph(FILE *fp, struct callchain_list *chain, int depth,
863 int depth_mask, int count, u64 total_samples,
864 int hits)
865{
866 int i;
867 size_t ret = 0;
868
869 ret += fprintf(fp, "%s", " ");
870 for (i = 0; i < depth; i++) {
871 if (depth_mask & (1 << i))
872 ret += fprintf(fp, "|");
873 else
874 ret += fprintf(fp, " ");
875 if (!count && i == depth - 1) {
876 double percent;
877
878 percent = hits * 100.0 / total_samples;
Frederic Weisbecker24b57c62009-07-02 20:14:35 +0200879 ret += percent_color_fprintf(fp, "--%2.2f%%-- ", percent);
Frederic Weisbecker4eb3e472009-07-02 17:58:21 +0200880 } else
881 ret += fprintf(fp, "%s", " ");
882 }
883 if (chain->sym)
884 ret += fprintf(fp, "%s\n", chain->sym->name);
885 else
886 ret += fprintf(fp, "%p\n", (void *)(long)chain->ip);
887
888 return ret;
889}
890
891static size_t
892callchain__fprintf_graph(FILE *fp, struct callchain_node *self,
893 u64 total_samples, int depth, int depth_mask)
894{
895 struct rb_node *node, *next;
896 struct callchain_node *child;
897 struct callchain_list *chain;
898 int new_depth_mask = depth_mask;
Frederic Weisbecker805d1272009-07-05 07:39:21 +0200899 u64 new_total;
Frederic Weisbecker4eb3e472009-07-02 17:58:21 +0200900 size_t ret = 0;
901 int i;
902
Frederic Weisbecker805d1272009-07-05 07:39:21 +0200903 if (callchain_param.mode == CHAIN_GRAPH_REL)
904 new_total = self->cumul_hit;
905 else
906 new_total = total_samples;
907
Frederic Weisbecker4eb3e472009-07-02 17:58:21 +0200908 node = rb_first(&self->rb_root);
909 while (node) {
910 child = rb_entry(node, struct callchain_node, rb_node);
911
912 /*
913 * The depth mask manages the output of pipes that show
914 * the depth. We don't want to keep the pipes of the current
915 * level for the last child of this depth
916 */
917 next = rb_next(node);
918 if (!next)
919 new_depth_mask &= ~(1 << (depth - 1));
920
921 /*
922 * But we keep the older depth mask for the line seperator
923 * to keep the level link until we reach the last child
924 */
925 ret += ipchain__fprintf_graph_line(fp, depth, depth_mask);
926 i = 0;
927 list_for_each_entry(chain, &child->val, list) {
928 if (chain->ip >= PERF_CONTEXT_MAX)
929 continue;
930 ret += ipchain__fprintf_graph(fp, chain, depth,
931 new_depth_mask, i++,
Frederic Weisbecker805d1272009-07-05 07:39:21 +0200932 new_total,
Frederic Weisbecker4eb3e472009-07-02 17:58:21 +0200933 child->cumul_hit);
934 }
Frederic Weisbecker805d1272009-07-05 07:39:21 +0200935 ret += callchain__fprintf_graph(fp, child, new_total,
Frederic Weisbecker4eb3e472009-07-02 17:58:21 +0200936 depth + 1,
937 new_depth_mask | (1 << depth));
938 node = next;
939 }
940
941 return ret;
942}
943
944static size_t
945callchain__fprintf_flat(FILE *fp, struct callchain_node *self,
946 u64 total_samples)
Frederic Weisbeckerf55c5552009-06-26 16:28:01 +0200947{
948 struct callchain_list *chain;
949 size_t ret = 0;
950
951 if (!self)
952 return 0;
953
Frederic Weisbecker4eb3e472009-07-02 17:58:21 +0200954 ret += callchain__fprintf_flat(fp, self->parent, total_samples);
Frederic Weisbeckerf55c5552009-06-26 16:28:01 +0200955
956
Frederic Weisbecker44249612009-07-01 05:35:14 +0200957 list_for_each_entry(chain, &self->val, list) {
958 if (chain->ip >= PERF_CONTEXT_MAX)
959 continue;
960 if (chain->sym)
961 ret += fprintf(fp, " %s\n", chain->sym->name);
962 else
963 ret += fprintf(fp, " %p\n",
Ingo Molnarf37a2912009-07-01 12:37:06 +0200964 (void *)(long)chain->ip);
Frederic Weisbecker44249612009-07-01 05:35:14 +0200965 }
Frederic Weisbeckerf55c5552009-06-26 16:28:01 +0200966
967 return ret;
968}
969
970static size_t
971hist_entry_callchain__fprintf(FILE *fp, struct hist_entry *self,
972 u64 total_samples)
973{
974 struct rb_node *rb_node;
975 struct callchain_node *chain;
976 size_t ret = 0;
977
978 rb_node = rb_first(&self->sorted_chain);
979 while (rb_node) {
980 double percent;
981
982 chain = rb_entry(rb_node, struct callchain_node, rb_node);
983 percent = chain->hit * 100.0 / total_samples;
Frederic Weisbecker805d1272009-07-05 07:39:21 +0200984 switch (callchain_param.mode) {
985 case CHAIN_FLAT:
Frederic Weisbecker24b57c62009-07-02 20:14:35 +0200986 ret += percent_color_fprintf(fp, " %6.2f%%\n",
987 percent);
Frederic Weisbecker4eb3e472009-07-02 17:58:21 +0200988 ret += callchain__fprintf_flat(fp, chain, total_samples);
Frederic Weisbecker805d1272009-07-05 07:39:21 +0200989 break;
990 case CHAIN_GRAPH_ABS: /* Falldown */
991 case CHAIN_GRAPH_REL:
Frederic Weisbecker4eb3e472009-07-02 17:58:21 +0200992 ret += callchain__fprintf_graph(fp, chain,
993 total_samples, 1, 1);
Frederic Weisbecker805d1272009-07-05 07:39:21 +0200994 default:
995 break;
Frederic Weisbecker4eb3e472009-07-02 17:58:21 +0200996 }
Frederic Weisbeckerf55c5552009-06-26 16:28:01 +0200997 ret += fprintf(fp, "\n");
998 rb_node = rb_next(rb_node);
999 }
1000
1001 return ret;
1002}
1003
1004
1005static size_t
Paul Mackerras9cffa8d2009-06-19 22:21:42 +10001006hist_entry__fprintf(FILE *fp, struct hist_entry *self, u64 total_samples)
Peter Zijlstra1aa16732009-05-27 20:20:25 +02001007{
1008 struct sort_entry *se;
1009 size_t ret;
1010
Ingo Molnarb8e6d822009-06-18 14:32:19 +02001011 if (exclude_other && !self->parent)
1012 return 0;
1013
Frederic Weisbecker1e11fd82009-07-02 20:14:34 +02001014 if (total_samples)
Arnaldo Carvalho de Melo52d422d2009-07-10 22:47:28 -03001015 ret = percent_color_fprintf(fp,
1016 field_sep ? "%.2f" : " %6.2f%%",
1017 (self->count * 100.0) / total_samples);
Frederic Weisbecker1e11fd82009-07-02 20:14:34 +02001018 else
Arnaldo Carvalho de Melo52d422d2009-07-10 22:47:28 -03001019 ret = fprintf(fp, field_sep ? "%lld" : "%12lld ", self->count);
Peter Zijlstra1aa16732009-05-27 20:20:25 +02001020
Arnaldo Carvalho de Meloe3d7e182009-07-11 12:18:37 -03001021 if (show_nr_samples) {
1022 if (field_sep)
1023 fprintf(fp, "%c%lld", *field_sep, self->count);
1024 else
1025 fprintf(fp, "%11lld", self->count);
1026 }
Peter Zijlstra1aa16732009-05-27 20:20:25 +02001027
Peter Zijlstra71dd8942009-06-04 15:16:56 +02001028 list_for_each_entry(se, &hist_entry__sort_list, list) {
Arnaldo Carvalho de Melo021191b2009-07-11 12:18:35 -03001029 if (se->elide)
Ingo Molnarb8e6d822009-06-18 14:32:19 +02001030 continue;
1031
Arnaldo Carvalho de Melo52d422d2009-07-10 22:47:28 -03001032 fprintf(fp, "%s", field_sep ?: " ");
1033 ret += se->print(fp, self, se->width ? *se->width : 0);
Peter Zijlstra71dd8942009-06-04 15:16:56 +02001034 }
Peter Zijlstra1aa16732009-05-27 20:20:25 +02001035
1036 ret += fprintf(fp, "\n");
1037
Frederic Weisbeckerf55c5552009-06-26 16:28:01 +02001038 if (callchain)
1039 hist_entry_callchain__fprintf(fp, self, total_samples);
1040
Peter Zijlstra1aa16732009-05-27 20:20:25 +02001041 return ret;
1042}
1043
1044/*
Peter Zijlstra6e7d6fd2009-06-17 15:51:44 +02001045 *
1046 */
1047
Arnaldo Carvalho de Melo52d422d2009-07-10 22:47:28 -03001048static void dso__calc_col_width(struct dso *self)
1049{
1050 if (!col_width_list_str && !field_sep &&
1051 (!dso_list || strlist__has_entry(dso_list, self->name))) {
1052 unsigned int slen = strlen(self->name);
1053 if (slen > dsos__col_width)
1054 dsos__col_width = slen;
1055 }
1056
1057 self->slen_calculated = 1;
1058}
1059
Peter Zijlstra6e7d6fd2009-06-17 15:51:44 +02001060static struct symbol *
1061resolve_symbol(struct thread *thread, struct map **mapp,
Paul Mackerras9cffa8d2009-06-19 22:21:42 +10001062 struct dso **dsop, u64 *ipp)
Peter Zijlstra6e7d6fd2009-06-17 15:51:44 +02001063{
1064 struct dso *dso = dsop ? *dsop : NULL;
1065 struct map *map = mapp ? *mapp : NULL;
Peter Zijlstra520f2c32009-06-22 16:52:51 +02001066 u64 ip = *ipp;
Peter Zijlstra6e7d6fd2009-06-17 15:51:44 +02001067
1068 if (!thread)
1069 return NULL;
1070
1071 if (dso)
1072 goto got_dso;
1073
1074 if (map)
1075 goto got_map;
1076
1077 map = thread__find_map(thread, ip);
1078 if (map != NULL) {
Arnaldo Carvalho de Melo52d422d2009-07-10 22:47:28 -03001079 /*
1080 * We have to do this here as we may have a dso
1081 * with no symbol hit that has a name longer than
1082 * the ones with symbols sampled.
1083 */
Arnaldo Carvalho de Melo021191b2009-07-11 12:18:35 -03001084 if (!sort_dso.elide && !map->dso->slen_calculated)
Arnaldo Carvalho de Melo52d422d2009-07-10 22:47:28 -03001085 dso__calc_col_width(map->dso);
1086
Peter Zijlstra6e7d6fd2009-06-17 15:51:44 +02001087 if (mapp)
1088 *mapp = map;
1089got_map:
1090 ip = map->map_ip(map, ip);
Peter Zijlstra6e7d6fd2009-06-17 15:51:44 +02001091
1092 dso = map->dso;
1093 } else {
1094 /*
1095 * If this is outside of all known maps,
1096 * and is a negative address, try to look it
1097 * up in the kernel dso, as it might be a
1098 * vsyscall (which executes in user-mode):
1099 */
1100 if ((long long)ip < 0)
1101 dso = kernel_dso;
1102 }
1103 dprintf(" ...... dso: %s\n", dso ? dso->name : "<not found>");
Peter Zijlstra520f2c32009-06-22 16:52:51 +02001104 dprintf(" ...... map: %Lx -> %Lx\n", *ipp, ip);
1105 *ipp = ip;
Peter Zijlstra6e7d6fd2009-06-17 15:51:44 +02001106
1107 if (dsop)
1108 *dsop = dso;
1109
1110 if (!dso)
1111 return NULL;
1112got_dso:
1113 return dso->find_symbol(dso, ip);
1114}
1115
Peter Zijlstra2a0a50f2009-06-18 22:20:45 +02001116static int call__match(struct symbol *sym)
Peter Zijlstra6e7d6fd2009-06-17 15:51:44 +02001117{
Ingo Molnarb25bcf22009-06-18 07:01:03 +02001118 if (sym->name && !regexec(&parent_regex, sym->name, 0, NULL, 0))
Peter Zijlstra2a0a50f2009-06-18 22:20:45 +02001119 return 1;
Peter Zijlstra6e7d6fd2009-06-17 15:51:44 +02001120
Peter Zijlstra2a0a50f2009-06-18 22:20:45 +02001121 return 0;
Peter Zijlstra6e7d6fd2009-06-17 15:51:44 +02001122}
1123
Frederic Weisbecker44249612009-07-01 05:35:14 +02001124static struct symbol **
Ingo Molnarf37a2912009-07-01 12:37:06 +02001125resolve_callchain(struct thread *thread, struct map *map __used,
Frederic Weisbecker44249612009-07-01 05:35:14 +02001126 struct ip_callchain *chain, struct hist_entry *entry)
1127{
Frederic Weisbecker44249612009-07-01 05:35:14 +02001128 u64 context = PERF_CONTEXT_MAX;
Ingo Molnar029e5b12009-07-03 13:17:28 +02001129 struct symbol **syms = NULL;
Ingo Molnarf37a2912009-07-01 12:37:06 +02001130 unsigned int i;
Frederic Weisbecker44249612009-07-01 05:35:14 +02001131
1132 if (callchain) {
1133 syms = calloc(chain->nr, sizeof(*syms));
1134 if (!syms) {
1135 fprintf(stderr, "Can't allocate memory for symbols\n");
1136 exit(-1);
1137 }
1138 }
1139
1140 for (i = 0; i < chain->nr; i++) {
1141 u64 ip = chain->ips[i];
1142 struct dso *dso = NULL;
1143 struct symbol *sym;
1144
1145 if (ip >= PERF_CONTEXT_MAX) {
1146 context = ip;
1147 continue;
1148 }
1149
1150 switch (context) {
Ingo Molnar88a69df2009-07-01 11:17:20 +02001151 case PERF_CONTEXT_HV:
1152 dso = hypervisor_dso;
1153 break;
Frederic Weisbecker44249612009-07-01 05:35:14 +02001154 case PERF_CONTEXT_KERNEL:
1155 dso = kernel_dso;
1156 break;
1157 default:
1158 break;
1159 }
1160
1161 sym = resolve_symbol(thread, NULL, &dso, &ip);
1162
1163 if (sym) {
1164 if (sort__has_parent && call__match(sym) &&
1165 !entry->parent)
1166 entry->parent = sym;
1167 if (!callchain)
1168 break;
1169 syms[i] = sym;
1170 }
1171 }
1172
1173 return syms;
1174}
1175
Peter Zijlstra6e7d6fd2009-06-17 15:51:44 +02001176/*
Peter Zijlstra1aa16732009-05-27 20:20:25 +02001177 * collect histogram counts
1178 */
1179
Peter Zijlstrae7fb08b2009-05-27 20:20:24 +02001180static int
1181hist_entry__add(struct thread *thread, struct map *map, struct dso *dso,
Paul Mackerras9cffa8d2009-06-19 22:21:42 +10001182 struct symbol *sym, u64 ip, struct ip_callchain *chain,
1183 char level, u64 count)
Arnaldo Carvalho de Melo3a4b8cc2009-05-26 16:19:04 -03001184{
Peter Zijlstrae7fb08b2009-05-27 20:20:24 +02001185 struct rb_node **p = &hist.rb_node;
Arnaldo Carvalho de Melo3a4b8cc2009-05-26 16:19:04 -03001186 struct rb_node *parent = NULL;
Peter Zijlstrae7fb08b2009-05-27 20:20:24 +02001187 struct hist_entry *he;
Frederic Weisbecker44249612009-07-01 05:35:14 +02001188 struct symbol **syms = NULL;
Peter Zijlstrae7fb08b2009-05-27 20:20:24 +02001189 struct hist_entry entry = {
1190 .thread = thread,
1191 .map = map,
1192 .dso = dso,
1193 .sym = sym,
1194 .ip = ip,
1195 .level = level,
Peter Zijlstraea1900e2009-06-10 21:45:22 +02001196 .count = count,
Ingo Molnarb8e6d822009-06-18 14:32:19 +02001197 .parent = NULL,
Frederic Weisbeckerf55c5552009-06-26 16:28:01 +02001198 .sorted_chain = RB_ROOT
Peter Zijlstrae7fb08b2009-05-27 20:20:24 +02001199 };
1200 int cmp;
Arnaldo Carvalho de Melo3a4b8cc2009-05-26 16:19:04 -03001201
Frederic Weisbecker44249612009-07-01 05:35:14 +02001202 if ((sort__has_parent || callchain) && chain)
1203 syms = resolve_callchain(thread, map, chain, &entry);
Peter Zijlstra6e7d6fd2009-06-17 15:51:44 +02001204
Arnaldo Carvalho de Melo3a4b8cc2009-05-26 16:19:04 -03001205 while (*p != NULL) {
1206 parent = *p;
Peter Zijlstrae7fb08b2009-05-27 20:20:24 +02001207 he = rb_entry(parent, struct hist_entry, rb_node);
Arnaldo Carvalho de Melo3a4b8cc2009-05-26 16:19:04 -03001208
Peter Zijlstrae7fb08b2009-05-27 20:20:24 +02001209 cmp = hist_entry__cmp(&entry, he);
1210
1211 if (!cmp) {
Peter Zijlstraea1900e2009-06-10 21:45:22 +02001212 he->count += count;
Frederic Weisbecker44249612009-07-01 05:35:14 +02001213 if (callchain) {
1214 append_chain(&he->callchain, chain, syms);
1215 free(syms);
1216 }
Peter Zijlstrae7fb08b2009-05-27 20:20:24 +02001217 return 0;
1218 }
1219
1220 if (cmp < 0)
Arnaldo Carvalho de Melo3a4b8cc2009-05-26 16:19:04 -03001221 p = &(*p)->rb_left;
1222 else
1223 p = &(*p)->rb_right;
1224 }
1225
Peter Zijlstrae7fb08b2009-05-27 20:20:24 +02001226 he = malloc(sizeof(*he));
1227 if (!he)
1228 return -ENOMEM;
1229 *he = entry;
Frederic Weisbeckerf55c5552009-06-26 16:28:01 +02001230 if (callchain) {
1231 callchain_init(&he->callchain);
Frederic Weisbecker44249612009-07-01 05:35:14 +02001232 append_chain(&he->callchain, chain, syms);
1233 free(syms);
Frederic Weisbeckerf55c5552009-06-26 16:28:01 +02001234 }
Peter Zijlstrae7fb08b2009-05-27 20:20:24 +02001235 rb_link_node(&he->rb_node, parent, p);
1236 rb_insert_color(&he->rb_node, &hist);
1237
1238 return 0;
Arnaldo Carvalho de Melo3a4b8cc2009-05-26 16:19:04 -03001239}
1240
Peter Zijlstra82292892009-06-03 12:37:36 +02001241static void hist_entry__free(struct hist_entry *he)
1242{
1243 free(he);
1244}
1245
1246/*
1247 * collapse the histogram
1248 */
1249
1250static struct rb_root collapse_hists;
1251
1252static void collapse__insert_entry(struct hist_entry *he)
1253{
1254 struct rb_node **p = &collapse_hists.rb_node;
1255 struct rb_node *parent = NULL;
1256 struct hist_entry *iter;
1257 int64_t cmp;
1258
1259 while (*p != NULL) {
1260 parent = *p;
1261 iter = rb_entry(parent, struct hist_entry, rb_node);
1262
1263 cmp = hist_entry__collapse(iter, he);
1264
1265 if (!cmp) {
1266 iter->count += he->count;
1267 hist_entry__free(he);
1268 return;
1269 }
1270
1271 if (cmp < 0)
1272 p = &(*p)->rb_left;
1273 else
1274 p = &(*p)->rb_right;
1275 }
1276
1277 rb_link_node(&he->rb_node, parent, p);
1278 rb_insert_color(&he->rb_node, &collapse_hists);
1279}
1280
1281static void collapse__resort(void)
1282{
1283 struct rb_node *next;
1284 struct hist_entry *n;
1285
1286 if (!sort__need_collapse)
1287 return;
1288
1289 next = rb_first(&hist);
1290 while (next) {
1291 n = rb_entry(next, struct hist_entry, rb_node);
1292 next = rb_next(&n->rb_node);
1293
1294 rb_erase(&n->rb_node, &hist);
1295 collapse__insert_entry(n);
1296 }
1297}
1298
Peter Zijlstrae7fb08b2009-05-27 20:20:24 +02001299/*
1300 * reverse the map, sort on count.
1301 */
1302
1303static struct rb_root output_hists;
1304
Frederic Weisbeckerc20ab372009-07-02 20:14:33 +02001305static void output__insert_entry(struct hist_entry *he, u64 min_callchain_hits)
Peter Zijlstrae7fb08b2009-05-27 20:20:24 +02001306{
1307 struct rb_node **p = &output_hists.rb_node;
1308 struct rb_node *parent = NULL;
1309 struct hist_entry *iter;
1310
Frederic Weisbecker805d1272009-07-05 07:39:21 +02001311 if (callchain)
1312 callchain_param.sort(&he->sorted_chain, &he->callchain,
1313 min_callchain_hits, &callchain_param);
Frederic Weisbeckerf55c5552009-06-26 16:28:01 +02001314
Peter Zijlstrae7fb08b2009-05-27 20:20:24 +02001315 while (*p != NULL) {
1316 parent = *p;
1317 iter = rb_entry(parent, struct hist_entry, rb_node);
1318
1319 if (he->count > iter->count)
1320 p = &(*p)->rb_left;
1321 else
1322 p = &(*p)->rb_right;
1323 }
1324
1325 rb_link_node(&he->rb_node, parent, p);
1326 rb_insert_color(&he->rb_node, &output_hists);
1327}
1328
Frederic Weisbeckerc20ab372009-07-02 20:14:33 +02001329static void output__resort(u64 total_samples)
Peter Zijlstrae7fb08b2009-05-27 20:20:24 +02001330{
Peter Zijlstra82292892009-06-03 12:37:36 +02001331 struct rb_node *next;
Peter Zijlstrae7fb08b2009-05-27 20:20:24 +02001332 struct hist_entry *n;
Arnaldo Carvalho de Meloa4c43be2009-06-03 23:02:33 -03001333 struct rb_root *tree = &hist;
Frederic Weisbeckerc20ab372009-07-02 20:14:33 +02001334 u64 min_callchain_hits;
1335
Frederic Weisbecker805d1272009-07-05 07:39:21 +02001336 min_callchain_hits = total_samples * (callchain_param.min_percent / 100);
Peter Zijlstrae7fb08b2009-05-27 20:20:24 +02001337
Peter Zijlstra82292892009-06-03 12:37:36 +02001338 if (sort__need_collapse)
Arnaldo Carvalho de Meloa4c43be2009-06-03 23:02:33 -03001339 tree = &collapse_hists;
1340
1341 next = rb_first(tree);
Peter Zijlstra82292892009-06-03 12:37:36 +02001342
Peter Zijlstrae7fb08b2009-05-27 20:20:24 +02001343 while (next) {
1344 n = rb_entry(next, struct hist_entry, rb_node);
1345 next = rb_next(&n->rb_node);
1346
Arnaldo Carvalho de Meloa4c43be2009-06-03 23:02:33 -03001347 rb_erase(&n->rb_node, tree);
Frederic Weisbeckerc20ab372009-07-02 20:14:33 +02001348 output__insert_entry(n, min_callchain_hits);
Arnaldo Carvalho de Melo3a4b8cc2009-05-26 16:19:04 -03001349 }
1350}
1351
Paul Mackerras9cffa8d2009-06-19 22:21:42 +10001352static size_t output__fprintf(FILE *fp, u64 total_samples)
Arnaldo Carvalho de Melo3a4b8cc2009-05-26 16:19:04 -03001353{
Peter Zijlstrae7fb08b2009-05-27 20:20:24 +02001354 struct hist_entry *pos;
Ingo Molnar2d655372009-05-27 21:36:22 +02001355 struct sort_entry *se;
Arnaldo Carvalho de Melo3a4b8cc2009-05-26 16:19:04 -03001356 struct rb_node *nd;
1357 size_t ret = 0;
Arnaldo Carvalho de Melo52d422d2009-07-10 22:47:28 -03001358 unsigned int width;
1359 char *col_width = col_width_list_str;
Arnaldo Carvalho de Melo3a4b8cc2009-05-26 16:19:04 -03001360
Arnaldo Carvalho de Melo021191b2009-07-11 12:18:35 -03001361 fprintf(fp, "# Samples: %Ld\n", (u64)total_samples);
Ingo Molnar05ca0612009-06-04 14:21:16 +02001362 fprintf(fp, "#\n");
Peter Zijlstraca8cdee2009-05-28 11:08:33 +02001363
1364 fprintf(fp, "# Overhead");
Arnaldo Carvalho de Meloe3d7e182009-07-11 12:18:37 -03001365 if (show_nr_samples) {
1366 if (field_sep)
1367 fprintf(fp, "%cSamples", *field_sep);
1368 else
1369 fputs(" Samples ", fp);
1370 }
Ingo Molnarb8e6d822009-06-18 14:32:19 +02001371 list_for_each_entry(se, &hist_entry__sort_list, list) {
Arnaldo Carvalho de Melo021191b2009-07-11 12:18:35 -03001372 if (se->elide)
Ingo Molnarb8e6d822009-06-18 14:32:19 +02001373 continue;
Arnaldo Carvalho de Melo52d422d2009-07-10 22:47:28 -03001374 if (field_sep) {
1375 fprintf(fp, "%c%s", *field_sep, se->header);
1376 continue;
1377 }
1378 width = strlen(se->header);
1379 if (se->width) {
1380 if (col_width_list_str) {
1381 if (col_width) {
1382 *se->width = atoi(col_width);
1383 col_width = strchr(col_width, ',');
1384 if (col_width)
1385 ++col_width;
1386 }
1387 }
1388 width = *se->width = max(*se->width, width);
1389 }
1390 fprintf(fp, " %*s", width, se->header);
Ingo Molnarb8e6d822009-06-18 14:32:19 +02001391 }
Peter Zijlstraca8cdee2009-05-28 11:08:33 +02001392 fprintf(fp, "\n");
1393
Arnaldo Carvalho de Melo52d422d2009-07-10 22:47:28 -03001394 if (field_sep)
1395 goto print_entries;
1396
Peter Zijlstraca8cdee2009-05-28 11:08:33 +02001397 fprintf(fp, "# ........");
Arnaldo Carvalho de Meloe3d7e182009-07-11 12:18:37 -03001398 if (show_nr_samples)
1399 fprintf(fp, " ..........");
Ingo Molnar2d655372009-05-27 21:36:22 +02001400 list_for_each_entry(se, &hist_entry__sort_list, list) {
Ingo Molnarf37a2912009-07-01 12:37:06 +02001401 unsigned int i;
Peter Zijlstraca8cdee2009-05-28 11:08:33 +02001402
Arnaldo Carvalho de Melo021191b2009-07-11 12:18:35 -03001403 if (se->elide)
Ingo Molnarb8e6d822009-06-18 14:32:19 +02001404 continue;
1405
Ingo Molnar4593bba2009-06-02 15:34:25 +02001406 fprintf(fp, " ");
Arnaldo Carvalho de Melo52d422d2009-07-10 22:47:28 -03001407 if (se->width)
1408 width = *se->width;
1409 else
1410 width = strlen(se->header);
1411 for (i = 0; i < width; i++)
Peter Zijlstraca8cdee2009-05-28 11:08:33 +02001412 fprintf(fp, ".");
Ingo Molnar2d655372009-05-27 21:36:22 +02001413 }
Peter Zijlstraca8cdee2009-05-28 11:08:33 +02001414 fprintf(fp, "\n");
1415
1416 fprintf(fp, "#\n");
Ingo Molnar2d655372009-05-27 21:36:22 +02001417
Arnaldo Carvalho de Melo52d422d2009-07-10 22:47:28 -03001418print_entries:
Peter Zijlstrae7fb08b2009-05-27 20:20:24 +02001419 for (nd = rb_first(&output_hists); nd; nd = rb_next(nd)) {
1420 pos = rb_entry(nd, struct hist_entry, rb_node);
1421 ret += hist_entry__fprintf(fp, pos, total_samples);
Arnaldo Carvalho de Melo3a4b8cc2009-05-26 16:19:04 -03001422 }
1423
Ingo Molnarb8e6d822009-06-18 14:32:19 +02001424 if (sort_order == default_sort_order &&
1425 parent_pattern == default_parent_pattern) {
Ingo Molnarbd741372009-06-04 14:13:04 +02001426 fprintf(fp, "#\n");
Pekka Enberg114cfab2009-08-05 13:25:21 +03001427 fprintf(fp, "# (For a higher level overview, try: perf report --sort comm,dso)\n");
Ingo Molnarbd741372009-06-04 14:13:04 +02001428 fprintf(fp, "#\n");
1429 }
Peter Zijlstra71dd8942009-06-04 15:16:56 +02001430 fprintf(fp, "\n");
Ingo Molnarbd741372009-06-04 14:13:04 +02001431
Arnaldo Carvalho de Melo3a4b8cc2009-05-26 16:19:04 -03001432 return ret;
1433}
1434
Peter Zijlstra436224a2009-06-02 21:02:36 +02001435static void register_idle_thread(void)
1436{
1437 struct thread *thread = threads__findnew(0);
1438
1439 if (thread == NULL ||
1440 thread__set_comm(thread, "[idle]")) {
1441 fprintf(stderr, "problem inserting idle task.\n");
1442 exit(-1);
1443 }
1444}
1445
Peter Zijlstra62fc4452009-06-04 16:53:49 +02001446static unsigned long total = 0,
1447 total_mmap = 0,
1448 total_comm = 0,
1449 total_fork = 0,
Peter Zijlstra9d91a6f2009-06-18 11:40:28 +02001450 total_unknown = 0,
1451 total_lost = 0;
Peter Zijlstrae7fb08b2009-05-27 20:20:24 +02001452
Peter Zijlstra2a0a50f2009-06-18 22:20:45 +02001453static int validate_chain(struct ip_callchain *chain, event_t *event)
Ingo Molnar75220602009-06-18 08:00:17 +02001454{
1455 unsigned int chain_size;
1456
Ingo Molnar75220602009-06-18 08:00:17 +02001457 chain_size = event->header.size;
1458 chain_size -= (unsigned long)&event->ip.__more_data - (unsigned long)event;
1459
Paul Mackerras9cffa8d2009-06-19 22:21:42 +10001460 if (chain->nr*sizeof(u64) > chain_size)
Ingo Molnar75220602009-06-18 08:00:17 +02001461 return -1;
1462
1463 return 0;
1464}
1465
Ingo Molnard80d3382009-06-03 23:14:49 +02001466static int
Peter Zijlstrae6e18ec2009-06-25 11:27:12 +02001467process_sample_event(event_t *event, unsigned long offset, unsigned long head)
Ingo Molnar75051722009-06-03 23:14:49 +02001468{
1469 char level;
1470 int show = 0;
1471 struct dso *dso = NULL;
1472 struct thread *thread = threads__findnew(event->ip.pid);
Paul Mackerras9cffa8d2009-06-19 22:21:42 +10001473 u64 ip = event->ip.ip;
1474 u64 period = 1;
Ingo Molnar75051722009-06-03 23:14:49 +02001475 struct map *map = NULL;
Ingo Molnar3efa1cc92009-06-14 15:04:15 +02001476 void *more_data = event->ip.__more_data;
Peter Zijlstra2a0a50f2009-06-18 22:20:45 +02001477 struct ip_callchain *chain = NULL;
Anton Blanchardd8db1b52009-07-01 09:00:48 +10001478 int cpumode;
Ingo Molnar75051722009-06-03 23:14:49 +02001479
Peter Zijlstrae6e18ec2009-06-25 11:27:12 +02001480 if (sample_type & PERF_SAMPLE_PERIOD) {
Paul Mackerras9cffa8d2009-06-19 22:21:42 +10001481 period = *(u64 *)more_data;
1482 more_data += sizeof(u64);
Ingo Molnar3efa1cc92009-06-14 15:04:15 +02001483 }
Peter Zijlstraea1900e2009-06-10 21:45:22 +02001484
Peter Zijlstrae6e18ec2009-06-25 11:27:12 +02001485 dprintf("%p [%p]: PERF_EVENT_SAMPLE (IP, %d): %d: %p period: %Ld\n",
Ingo Molnar75051722009-06-03 23:14:49 +02001486 (void *)(offset + head),
1487 (void *)(long)(event->header.size),
1488 event->header.misc,
1489 event->ip.pid,
Peter Zijlstra4502d772009-06-10 15:03:06 +02001490 (void *)(long)ip,
Peter Zijlstraea1900e2009-06-10 21:45:22 +02001491 (long long)period);
Ingo Molnar75051722009-06-03 23:14:49 +02001492
Peter Zijlstrae6e18ec2009-06-25 11:27:12 +02001493 if (sample_type & PERF_SAMPLE_CALLCHAIN) {
Ingo Molnarf37a2912009-07-01 12:37:06 +02001494 unsigned int i;
Ingo Molnar3efa1cc92009-06-14 15:04:15 +02001495
1496 chain = (void *)more_data;
1497
Peter Zijlstra2a0a50f2009-06-18 22:20:45 +02001498 dprintf("... chain: nr:%Lu\n", chain->nr);
Ingo Molnar3efa1cc92009-06-14 15:04:15 +02001499
Ingo Molnar75220602009-06-18 08:00:17 +02001500 if (validate_chain(chain, event) < 0) {
1501 eprintf("call-chain problem with event, skipping it.\n");
1502 return 0;
1503 }
1504
1505 if (dump_trace) {
Ingo Molnar3efa1cc92009-06-14 15:04:15 +02001506 for (i = 0; i < chain->nr; i++)
Peter Zijlstra2a0a50f2009-06-18 22:20:45 +02001507 dprintf("..... %2d: %016Lx\n", i, chain->ips[i]);
Ingo Molnar3efa1cc92009-06-14 15:04:15 +02001508 }
1509 }
1510
Ingo Molnar75051722009-06-03 23:14:49 +02001511 dprintf(" ... thread: %s:%d\n", thread->comm, thread->pid);
1512
1513 if (thread == NULL) {
Ingo Molnar75220602009-06-18 08:00:17 +02001514 eprintf("problem processing %d event, skipping it.\n",
Ingo Molnar75051722009-06-03 23:14:49 +02001515 event->header.type);
1516 return -1;
1517 }
1518
Arnaldo Carvalho de Melocc8b88b2009-06-30 19:01:21 -03001519 if (comm_list && !strlist__has_entry(comm_list, thread->comm))
1520 return 0;
1521
Anton Blanchardd8db1b52009-07-01 09:00:48 +10001522 cpumode = event->header.misc & PERF_EVENT_MISC_CPUMODE_MASK;
1523
1524 if (cpumode == PERF_EVENT_MISC_KERNEL) {
Ingo Molnar75051722009-06-03 23:14:49 +02001525 show = SHOW_KERNEL;
1526 level = 'k';
1527
1528 dso = kernel_dso;
1529
1530 dprintf(" ...... dso: %s\n", dso->name);
1531
Anton Blanchardd8db1b52009-07-01 09:00:48 +10001532 } else if (cpumode == PERF_EVENT_MISC_USER) {
Ingo Molnar75051722009-06-03 23:14:49 +02001533
1534 show = SHOW_USER;
1535 level = '.';
1536
Ingo Molnar75051722009-06-03 23:14:49 +02001537 } else {
1538 show = SHOW_HV;
1539 level = 'H';
Anton Blanchardfb9c8182009-07-01 09:00:49 +10001540
1541 dso = hypervisor_dso;
1542
Ingo Molnar75051722009-06-03 23:14:49 +02001543 dprintf(" ...... dso: [hypervisor]\n");
1544 }
1545
1546 if (show & show_mask) {
Peter Zijlstra6e7d6fd2009-06-17 15:51:44 +02001547 struct symbol *sym = resolve_symbol(thread, &map, &dso, &ip);
Peter Zijlstrafc54db52009-06-05 14:04:59 +02001548
Arnaldo Carvalho de Melo25903402009-06-30 19:01:20 -03001549 if (dso_list && dso && dso->name && !strlist__has_entry(dso_list, dso->name))
1550 return 0;
1551
Arnaldo Carvalho de Melo7bec7a92009-06-30 19:01:22 -03001552 if (sym_list && sym && !strlist__has_entry(sym_list, sym->name))
1553 return 0;
1554
Peter Zijlstra6e7d6fd2009-06-17 15:51:44 +02001555 if (hist_entry__add(thread, map, dso, sym, ip, chain, level, period)) {
Ingo Molnar75220602009-06-18 08:00:17 +02001556 eprintf("problem incrementing symbol count, skipping event\n");
Ingo Molnar75051722009-06-03 23:14:49 +02001557 return -1;
1558 }
1559 }
Peter Zijlstraea1900e2009-06-10 21:45:22 +02001560 total += period;
Ingo Molnar75051722009-06-03 23:14:49 +02001561
1562 return 0;
1563}
1564
1565static int
1566process_mmap_event(event_t *event, unsigned long offset, unsigned long head)
1567{
1568 struct thread *thread = threads__findnew(event->mmap.pid);
1569 struct map *map = map__new(&event->mmap);
1570
Peter Zijlstra62fc4452009-06-04 16:53:49 +02001571 dprintf("%p [%p]: PERF_EVENT_MMAP %d: [%p(%p) @ %p]: %s\n",
Ingo Molnar75051722009-06-03 23:14:49 +02001572 (void *)(offset + head),
1573 (void *)(long)(event->header.size),
Peter Zijlstra62fc4452009-06-04 16:53:49 +02001574 event->mmap.pid,
Ingo Molnar75051722009-06-03 23:14:49 +02001575 (void *)(long)event->mmap.start,
1576 (void *)(long)event->mmap.len,
1577 (void *)(long)event->mmap.pgoff,
1578 event->mmap.filename);
1579
1580 if (thread == NULL || map == NULL) {
1581 dprintf("problem processing PERF_EVENT_MMAP, skipping event.\n");
Ingo Molnardf979922009-06-04 13:41:22 +02001582 return 0;
Ingo Molnar75051722009-06-03 23:14:49 +02001583 }
1584
1585 thread__insert_map(thread, map);
1586 total_mmap++;
1587
1588 return 0;
1589}
1590
1591static int
1592process_comm_event(event_t *event, unsigned long offset, unsigned long head)
1593{
1594 struct thread *thread = threads__findnew(event->comm.pid);
1595
1596 dprintf("%p [%p]: PERF_EVENT_COMM: %s:%d\n",
1597 (void *)(offset + head),
1598 (void *)(long)(event->header.size),
1599 event->comm.comm, event->comm.pid);
1600
1601 if (thread == NULL ||
1602 thread__set_comm(thread, event->comm.comm)) {
1603 dprintf("problem processing PERF_EVENT_COMM, skipping event.\n");
1604 return -1;
1605 }
1606 total_comm++;
1607
1608 return 0;
1609}
1610
1611static int
Peter Zijlstra27d028d2009-07-23 16:52:41 +02001612process_task_event(event_t *event, unsigned long offset, unsigned long head)
Peter Zijlstra62fc4452009-06-04 16:53:49 +02001613{
1614 struct thread *thread = threads__findnew(event->fork.pid);
1615 struct thread *parent = threads__findnew(event->fork.ppid);
1616
Peter Zijlstra27d028d2009-07-23 16:52:41 +02001617 dprintf("%p [%p]: PERF_EVENT_%s: (%d:%d):(%d:%d)\n",
Peter Zijlstra62fc4452009-06-04 16:53:49 +02001618 (void *)(offset + head),
1619 (void *)(long)(event->header.size),
Peter Zijlstra27d028d2009-07-23 16:52:41 +02001620 event->header.type == PERF_EVENT_FORK ? "FORK" : "EXIT",
1621 event->fork.pid, event->fork.tid,
1622 event->fork.ppid, event->fork.ptid);
1623
1624 /*
1625 * A thread clone will have the same PID for both
1626 * parent and child.
1627 */
1628 if (thread == parent)
1629 return 0;
1630
1631 if (event->header.type == PERF_EVENT_EXIT)
1632 return 0;
Peter Zijlstra62fc4452009-06-04 16:53:49 +02001633
1634 if (!thread || !parent || thread__fork(thread, parent)) {
1635 dprintf("problem processing PERF_EVENT_FORK, skipping event.\n");
1636 return -1;
1637 }
1638 total_fork++;
1639
1640 return 0;
1641}
1642
1643static int
Peter Zijlstra9d91a6f2009-06-18 11:40:28 +02001644process_lost_event(event_t *event, unsigned long offset, unsigned long head)
1645{
1646 dprintf("%p [%p]: PERF_EVENT_LOST: id:%Ld: lost:%Ld\n",
1647 (void *)(offset + head),
1648 (void *)(long)(event->header.size),
1649 event->lost.id,
1650 event->lost.lost);
1651
1652 total_lost += event->lost.lost;
1653
1654 return 0;
1655}
1656
Ingo Molnar8465b052009-06-14 14:44:07 +02001657static void trace_event(event_t *event)
1658{
1659 unsigned char *raw_event = (void *)event;
Ingo Molnar3efa1cc92009-06-14 15:04:15 +02001660 char *color = PERF_COLOR_BLUE;
Ingo Molnar8465b052009-06-14 14:44:07 +02001661 int i, j;
1662
1663 if (!dump_trace)
1664 return;
1665
Ingo Molnar3efa1cc92009-06-14 15:04:15 +02001666 dprintf(".");
1667 cdprintf("\n. ... raw event: size %d bytes\n", event->header.size);
Ingo Molnar8465b052009-06-14 14:44:07 +02001668
1669 for (i = 0; i < event->header.size; i++) {
Ingo Molnar3efa1cc92009-06-14 15:04:15 +02001670 if ((i & 15) == 0) {
1671 dprintf(".");
1672 cdprintf(" %04x: ", i);
1673 }
Ingo Molnar8465b052009-06-14 14:44:07 +02001674
Ingo Molnar3efa1cc92009-06-14 15:04:15 +02001675 cdprintf(" %02x", raw_event[i]);
Ingo Molnar8465b052009-06-14 14:44:07 +02001676
1677 if (((i & 15) == 15) || i == event->header.size-1) {
Ingo Molnar3efa1cc92009-06-14 15:04:15 +02001678 cdprintf(" ");
Ingo Molnar8465b052009-06-14 14:44:07 +02001679 for (j = 0; j < 15-(i & 15); j++)
Ingo Molnar3efa1cc92009-06-14 15:04:15 +02001680 cdprintf(" ");
Ingo Molnar8465b052009-06-14 14:44:07 +02001681 for (j = 0; j < (i & 15); j++) {
Peter Zijlstraa73c7d82009-06-18 09:44:20 +02001682 if (isprint(raw_event[i-15+j]))
Ingo Molnar3efa1cc92009-06-14 15:04:15 +02001683 cdprintf("%c", raw_event[i-15+j]);
Ingo Molnar8465b052009-06-14 14:44:07 +02001684 else
Ingo Molnar3efa1cc92009-06-14 15:04:15 +02001685 cdprintf(".");
Ingo Molnar8465b052009-06-14 14:44:07 +02001686 }
Ingo Molnar3efa1cc92009-06-14 15:04:15 +02001687 cdprintf("\n");
Ingo Molnar8465b052009-06-14 14:44:07 +02001688 }
1689 }
1690 dprintf(".\n");
1691}
1692
Ingo Molnarb2fef072009-06-05 18:07:51 +02001693static int
Peter Zijlstrae9ea2fd2009-06-24 22:46:04 +02001694process_read_event(event_t *event, unsigned long offset, unsigned long head)
1695{
1696 dprintf("%p [%p]: PERF_EVENT_READ: %d %d %Lu\n",
1697 (void *)(offset + head),
1698 (void *)(long)(event->header.size),
1699 event->read.pid,
1700 event->read.tid,
1701 event->read.value);
1702
1703 return 0;
1704}
1705
1706static int
Ingo Molnard80d3382009-06-03 23:14:49 +02001707process_event(event_t *event, unsigned long offset, unsigned long head)
Arnaldo Carvalho de Melo8fa66bd2009-05-18 12:45:42 -03001708{
Ingo Molnar8465b052009-06-14 14:44:07 +02001709 trace_event(event);
1710
Ingo Molnar75051722009-06-03 23:14:49 +02001711 switch (event->header.type) {
Peter Zijlstrae6e18ec2009-06-25 11:27:12 +02001712 case PERF_EVENT_SAMPLE:
1713 return process_sample_event(event, offset, head);
1714
Ingo Molnar75051722009-06-03 23:14:49 +02001715 case PERF_EVENT_MMAP:
1716 return process_mmap_event(event, offset, head);
Ingo Molnar97b07b62009-05-26 18:48:58 +02001717
Ingo Molnar75051722009-06-03 23:14:49 +02001718 case PERF_EVENT_COMM:
1719 return process_comm_event(event, offset, head);
Ingo Molnared966aa2009-06-03 10:39:26 +02001720
Peter Zijlstra62fc4452009-06-04 16:53:49 +02001721 case PERF_EVENT_FORK:
Peter Zijlstra27d028d2009-07-23 16:52:41 +02001722 case PERF_EVENT_EXIT:
1723 return process_task_event(event, offset, head);
Peter Zijlstra62fc4452009-06-04 16:53:49 +02001724
Peter Zijlstra9d91a6f2009-06-18 11:40:28 +02001725 case PERF_EVENT_LOST:
1726 return process_lost_event(event, offset, head);
1727
Peter Zijlstrae9ea2fd2009-06-24 22:46:04 +02001728 case PERF_EVENT_READ:
1729 return process_read_event(event, offset, head);
1730
Ingo Molnard11444d2009-06-03 23:29:14 +02001731 /*
1732 * We dont process them right now but they are fine:
1733 */
Peter Zijlstra62fc4452009-06-04 16:53:49 +02001734
Ingo Molnard11444d2009-06-03 23:29:14 +02001735 case PERF_EVENT_THROTTLE:
1736 case PERF_EVENT_UNTHROTTLE:
1737 return 0;
1738
Ingo Molnard80d3382009-06-03 23:14:49 +02001739 default:
1740 return -1;
1741 }
1742
1743 return 0;
1744}
1745
Peter Zijlstra7c6a1c62009-06-25 17:05:54 +02001746static struct perf_header *header;
1747
Peter Zijlstrae6e18ec2009-06-25 11:27:12 +02001748static u64 perf_header__sample_type(void)
Peter Zijlstra7c6a1c62009-06-25 17:05:54 +02001749{
Peter Zijlstrae6e18ec2009-06-25 11:27:12 +02001750 u64 sample_type = 0;
Peter Zijlstra7c6a1c62009-06-25 17:05:54 +02001751 int i;
1752
1753 for (i = 0; i < header->attrs; i++) {
1754 struct perf_header_attr *attr = header->attr[i];
1755
Peter Zijlstrae6e18ec2009-06-25 11:27:12 +02001756 if (!sample_type)
1757 sample_type = attr->attr.sample_type;
1758 else if (sample_type != attr->attr.sample_type)
1759 die("non matching sample_type");
Peter Zijlstra7c6a1c62009-06-25 17:05:54 +02001760 }
1761
Peter Zijlstrae6e18ec2009-06-25 11:27:12 +02001762 return sample_type;
Peter Zijlstra7c6a1c62009-06-25 17:05:54 +02001763}
Peter Zijlstraf5970552009-06-18 23:22:55 +02001764
Ingo Molnard80d3382009-06-03 23:14:49 +02001765static int __cmd_report(void)
1766{
Ingo Molnar75051722009-06-03 23:14:49 +02001767 int ret, rc = EXIT_FAILURE;
Ingo Molnard80d3382009-06-03 23:14:49 +02001768 unsigned long offset = 0;
Peter Zijlstra7c6a1c62009-06-25 17:05:54 +02001769 unsigned long head, shift;
Ingo Molnard80d3382009-06-03 23:14:49 +02001770 struct stat stat;
Ingo Molnard80d3382009-06-03 23:14:49 +02001771 event_t *event;
Ingo Molnard80d3382009-06-03 23:14:49 +02001772 uint32_t size;
Ingo Molnar75051722009-06-03 23:14:49 +02001773 char *buf;
Ingo Molnard80d3382009-06-03 23:14:49 +02001774
1775 register_idle_thread();
1776
1777 input = open(input_name, O_RDONLY);
1778 if (input < 0) {
Ingo Molnara14832f2009-06-07 17:58:23 +02001779 fprintf(stderr, " failed to open file: %s", input_name);
1780 if (!strcmp(input_name, "perf.data"))
1781 fprintf(stderr, " (try 'perf record' first)");
1782 fprintf(stderr, "\n");
Ingo Molnard80d3382009-06-03 23:14:49 +02001783 exit(-1);
1784 }
1785
1786 ret = fstat(input, &stat);
1787 if (ret < 0) {
1788 perror("failed to stat file");
1789 exit(-1);
1790 }
1791
1792 if (!stat.st_size) {
1793 fprintf(stderr, "zero-sized file, nothing to do!\n");
1794 exit(0);
1795 }
1796
Peter Zijlstra7c6a1c62009-06-25 17:05:54 +02001797 header = perf_header__read(input);
1798 head = header->data_offset;
Peter Zijlstraf5970552009-06-18 23:22:55 +02001799
Peter Zijlstrae6e18ec2009-06-25 11:27:12 +02001800 sample_type = perf_header__sample_type();
1801
Frederic Weisbecker91b4eae2009-07-05 07:39:17 +02001802 if (!(sample_type & PERF_SAMPLE_CALLCHAIN)) {
1803 if (sort__has_parent) {
1804 fprintf(stderr, "selected --sort parent, but no"
1805 " callchain data. Did you call"
1806 " perf record without -g?\n");
1807 exit(-1);
1808 }
1809 if (callchain) {
1810 fprintf(stderr, "selected -c but no callchain data."
1811 " Did you call perf record without"
1812 " -g?\n");
1813 exit(-1);
1814 }
Peter Zijlstraf5970552009-06-18 23:22:55 +02001815 }
1816
Ingo Molnard80d3382009-06-03 23:14:49 +02001817 if (load_kernel() < 0) {
1818 perror("failed to load kernel symbols");
1819 return EXIT_FAILURE;
1820 }
1821
1822 if (!full_paths) {
1823 if (getcwd(__cwd, sizeof(__cwd)) == NULL) {
1824 perror("failed to get the current directory");
1825 return EXIT_FAILURE;
1826 }
1827 cwdlen = strlen(cwd);
1828 } else {
1829 cwd = NULL;
1830 cwdlen = 0;
1831 }
Peter Zijlstra7c6a1c62009-06-25 17:05:54 +02001832
1833 shift = page_size * (head / page_size);
1834 offset += shift;
1835 head -= shift;
1836
Ingo Molnard80d3382009-06-03 23:14:49 +02001837remap:
1838 buf = (char *)mmap(NULL, page_size * mmap_window, PROT_READ,
1839 MAP_SHARED, input, offset);
1840 if (buf == MAP_FAILED) {
1841 perror("failed to mmap file");
1842 exit(-1);
1843 }
1844
1845more:
1846 event = (event_t *)(buf + head);
1847
1848 size = event->header.size;
1849 if (!size)
1850 size = 8;
1851
1852 if (head + event->header.size >= page_size * mmap_window) {
Ingo Molnard80d3382009-06-03 23:14:49 +02001853 int ret;
1854
Peter Zijlstra7c6a1c62009-06-25 17:05:54 +02001855 shift = page_size * (head / page_size);
1856
Ingo Molnard80d3382009-06-03 23:14:49 +02001857 ret = munmap(buf, page_size * mmap_window);
1858 assert(ret == 0);
1859
1860 offset += shift;
1861 head -= shift;
1862 goto remap;
1863 }
1864
1865 size = event->header.size;
1866
Ingo Molnar8465b052009-06-14 14:44:07 +02001867 dprintf("\n%p [%p]: event: %d\n",
Ingo Molnarb2fef072009-06-05 18:07:51 +02001868 (void *)(offset + head),
1869 (void *)(long)event->header.size,
1870 event->header.type);
1871
Ingo Molnard80d3382009-06-03 23:14:49 +02001872 if (!size || process_event(event, offset, head) < 0) {
1873
Ingo Molnar35029732009-06-03 09:38:58 +02001874 dprintf("%p [%p]: skipping unknown header type: %d\n",
1875 (void *)(offset + head),
1876 (void *)(long)(event->header.size),
1877 event->header.type);
Peter Zijlstrab7a16ea2009-05-27 13:35:35 +02001878
Ingo Molnar3e706112009-05-26 18:53:17 +02001879 total_unknown++;
Peter Zijlstra6142f9e2009-05-26 20:51:47 +02001880
1881 /*
1882 * assume we lost track of the stream, check alignment, and
1883 * increment a single u64 in the hope to catch on again 'soon'.
1884 */
1885
1886 if (unlikely(head & 7))
1887 head &= ~7ULL;
1888
1889 size = 8;
Ingo Molnar97b07b62009-05-26 18:48:58 +02001890 }
Arnaldo Carvalho de Melo8fa66bd2009-05-18 12:45:42 -03001891
Peter Zijlstra6142f9e2009-05-26 20:51:47 +02001892 head += size;
Ingo Molnarf49515b2009-05-26 19:03:36 +02001893
Peter Zijlstra7c6a1c62009-06-25 17:05:54 +02001894 if (offset + head >= header->data_offset + header->data_size)
Peter Zijlstraf5970552009-06-18 23:22:55 +02001895 goto done;
1896
Ingo Molnarf37a2912009-07-01 12:37:06 +02001897 if (offset + head < (unsigned long)stat.st_size)
Arnaldo Carvalho de Melo8fa66bd2009-05-18 12:45:42 -03001898 goto more;
1899
Peter Zijlstraf5970552009-06-18 23:22:55 +02001900done:
Arnaldo Carvalho de Melo8fa66bd2009-05-18 12:45:42 -03001901 rc = EXIT_SUCCESS;
Arnaldo Carvalho de Melo8fa66bd2009-05-18 12:45:42 -03001902 close(input);
Ingo Molnar97b07b62009-05-26 18:48:58 +02001903
Ingo Molnar35029732009-06-03 09:38:58 +02001904 dprintf(" IP events: %10ld\n", total);
1905 dprintf(" mmap events: %10ld\n", total_mmap);
1906 dprintf(" comm events: %10ld\n", total_comm);
Peter Zijlstra62fc4452009-06-04 16:53:49 +02001907 dprintf(" fork events: %10ld\n", total_fork);
Peter Zijlstra9d91a6f2009-06-18 11:40:28 +02001908 dprintf(" lost events: %10ld\n", total_lost);
Ingo Molnar35029732009-06-03 09:38:58 +02001909 dprintf(" unknown events: %10ld\n", total_unknown);
Ingo Molnar97b07b62009-05-26 18:48:58 +02001910
Ingo Molnar35029732009-06-03 09:38:58 +02001911 if (dump_trace)
Ingo Molnar97b07b62009-05-26 18:48:58 +02001912 return 0;
Ingo Molnar97b07b62009-05-26 18:48:58 +02001913
Arnaldo Carvalho de Melo9ac99542009-06-04 13:54:00 -03001914 if (verbose >= 3)
1915 threads__fprintf(stdout);
1916
Peter Zijlstrae7fb08b2009-05-27 20:20:24 +02001917 if (verbose >= 2)
Ingo Molnar16f762a2009-05-27 09:10:38 +02001918 dsos__fprintf(stdout);
Ingo Molnar16f762a2009-05-27 09:10:38 +02001919
Peter Zijlstra82292892009-06-03 12:37:36 +02001920 collapse__resort();
Frederic Weisbeckerc20ab372009-07-02 20:14:33 +02001921 output__resort(total);
Peter Zijlstrae7fb08b2009-05-27 20:20:24 +02001922 output__fprintf(stdout, total);
Arnaldo Carvalho de Melo8fa66bd2009-05-18 12:45:42 -03001923
Arnaldo Carvalho de Melo8fa66bd2009-05-18 12:45:42 -03001924 return rc;
1925}
1926
Frederic Weisbecker4eb3e472009-07-02 17:58:21 +02001927static int
1928parse_callchain_opt(const struct option *opt __used, const char *arg,
1929 int unset __used)
1930{
Frederic Weisbeckerc20ab372009-07-02 20:14:33 +02001931 char *tok;
1932 char *endptr;
1933
Frederic Weisbecker4eb3e472009-07-02 17:58:21 +02001934 callchain = 1;
1935
1936 if (!arg)
1937 return 0;
1938
Frederic Weisbeckerc20ab372009-07-02 20:14:33 +02001939 tok = strtok((char *)arg, ",");
1940 if (!tok)
1941 return -1;
1942
1943 /* get the output mode */
1944 if (!strncmp(tok, "graph", strlen(arg)))
Frederic Weisbecker805d1272009-07-05 07:39:21 +02001945 callchain_param.mode = CHAIN_GRAPH_ABS;
Frederic Weisbecker4eb3e472009-07-02 17:58:21 +02001946
Frederic Weisbeckerc20ab372009-07-02 20:14:33 +02001947 else if (!strncmp(tok, "flat", strlen(arg)))
Frederic Weisbecker805d1272009-07-05 07:39:21 +02001948 callchain_param.mode = CHAIN_FLAT;
1949
1950 else if (!strncmp(tok, "fractal", strlen(arg)))
1951 callchain_param.mode = CHAIN_GRAPH_REL;
1952
Frederic Weisbecker4eb3e472009-07-02 17:58:21 +02001953 else
1954 return -1;
1955
Frederic Weisbeckerc20ab372009-07-02 20:14:33 +02001956 /* get the min percentage */
1957 tok = strtok(NULL, ",");
1958 if (!tok)
Frederic Weisbecker805d1272009-07-05 07:39:21 +02001959 goto setup;
Frederic Weisbeckerc20ab372009-07-02 20:14:33 +02001960
Frederic Weisbecker805d1272009-07-05 07:39:21 +02001961 callchain_param.min_percent = strtod(tok, &endptr);
Frederic Weisbeckerc20ab372009-07-02 20:14:33 +02001962 if (tok == endptr)
1963 return -1;
1964
Frederic Weisbecker805d1272009-07-05 07:39:21 +02001965setup:
1966 if (register_callchain_param(&callchain_param) < 0) {
1967 fprintf(stderr, "Can't register callchain params\n");
1968 return -1;
1969 }
Frederic Weisbecker4eb3e472009-07-02 17:58:21 +02001970 return 0;
1971}
1972
Ingo Molnar53cb8bc2009-05-26 09:17:18 +02001973static const char * const report_usage[] = {
1974 "perf report [<options>] <command>",
1975 NULL
1976};
1977
1978static const struct option options[] = {
1979 OPT_STRING('i', "input", &input_name, "file",
1980 "input file name"),
Arnaldo Carvalho de Melo815e7772009-05-26 19:46:14 -03001981 OPT_BOOLEAN('v', "verbose", &verbose,
1982 "be more verbose (show symbol address, etc)"),
Ingo Molnar97b07b62009-05-26 18:48:58 +02001983 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
1984 "dump raw trace in ASCII"),
Peter Zijlstra450aaa22009-05-27 20:20:23 +02001985 OPT_STRING('k', "vmlinux", &vmlinux, "file", "vmlinux pathname"),
Mike Galbraith42976482009-07-02 08:09:46 +02001986 OPT_BOOLEAN('m', "modules", &modules,
1987 "load module symbols - WARNING: use only with -k and LIVE kernel"),
Arnaldo Carvalho de Meloe3d7e182009-07-11 12:18:37 -03001988 OPT_BOOLEAN('n', "show-nr-samples", &show_nr_samples,
1989 "Show a column with the number of samples"),
Ingo Molnar63299f02009-05-28 10:52:00 +02001990 OPT_STRING('s', "sort", &sort_order, "key[,key2...]",
Ingo Molnarb25bcf22009-06-18 07:01:03 +02001991 "sort by key(s): pid, comm, dso, symbol, parent"),
Arnaldo Carvalho de Melob78c07d2009-05-29 13:48:59 -03001992 OPT_BOOLEAN('P', "full-paths", &full_paths,
1993 "Don't shorten the pathnames taking into account the cwd"),
Ingo Molnarb25bcf22009-06-18 07:01:03 +02001994 OPT_STRING('p', "parent", &parent_pattern, "regex",
1995 "regex filter to identify parent, see: '--sort parent'"),
Ingo Molnarb8e6d822009-06-18 14:32:19 +02001996 OPT_BOOLEAN('x', "exclude-other", &exclude_other,
1997 "Only display entries with parent-match"),
Anton Blanchard1483b19f2009-07-16 15:44:29 +02001998 OPT_CALLBACK_DEFAULT('g', "call-graph", NULL, "output_type,min_percent",
Frederic Weisbeckerc20ab372009-07-02 20:14:33 +02001999 "Display callchains using output_type and min percent threshold. "
Anton Blanchard1483b19f2009-07-16 15:44:29 +02002000 "Default: fractal,0.5", &parse_callchain_opt, callchain_default_opt),
Arnaldo Carvalho de Melo25903402009-06-30 19:01:20 -03002001 OPT_STRING('d', "dsos", &dso_list_str, "dso[,dso...]",
2002 "only consider symbols in these dsos"),
Arnaldo Carvalho de Melocc8b88b2009-06-30 19:01:21 -03002003 OPT_STRING('C', "comms", &comm_list_str, "comm[,comm...]",
2004 "only consider symbols in these comms"),
Arnaldo Carvalho de Melo7bec7a92009-06-30 19:01:22 -03002005 OPT_STRING('S', "symbols", &sym_list_str, "symbol[,symbol...]",
2006 "only consider these symbols"),
Arnaldo Carvalho de Melo52d422d2009-07-10 22:47:28 -03002007 OPT_STRING('w', "column-widths", &col_width_list_str,
2008 "width[,width...]",
2009 "don't try to adjust column width, use these fixed values"),
2010 OPT_STRING('t', "field-separator", &field_sep, "separator",
2011 "separator for columns, no spaces will be added between "
2012 "columns '.' is reserved."),
Ingo Molnar53cb8bc2009-05-26 09:17:18 +02002013 OPT_END()
2014};
2015
Ingo Molnar5352f352009-06-03 10:07:39 +02002016static void setup_sorting(void)
2017{
2018 char *tmp, *tok, *str = strdup(sort_order);
2019
2020 for (tok = strtok_r(str, ", ", &tmp);
2021 tok; tok = strtok_r(NULL, ", ", &tmp)) {
2022 if (sort_dimension__add(tok) < 0) {
2023 error("Unknown --sort key: `%s'", tok);
2024 usage_with_options(report_usage, options);
2025 }
2026 }
2027
2028 free(str);
2029}
2030
Arnaldo Carvalho de Melocc8b88b2009-06-30 19:01:21 -03002031static void setup_list(struct strlist **list, const char *list_str,
Arnaldo Carvalho de Melo021191b2009-07-11 12:18:35 -03002032 struct sort_entry *se, const char *list_name,
2033 FILE *fp)
Arnaldo Carvalho de Melocc8b88b2009-06-30 19:01:21 -03002034{
2035 if (list_str) {
2036 *list = strlist__new(true, list_str);
2037 if (!*list) {
2038 fprintf(stderr, "problems parsing %s list\n",
2039 list_name);
2040 exit(129);
2041 }
Arnaldo Carvalho de Melo021191b2009-07-11 12:18:35 -03002042 if (strlist__nr_entries(*list) == 1) {
2043 fprintf(fp, "# %s: %s\n", list_name,
2044 strlist__entry(*list, 0)->s);
2045 se->elide = true;
2046 }
Arnaldo Carvalho de Melocc8b88b2009-06-30 19:01:21 -03002047 }
2048}
2049
Ingo Molnarf37a2912009-07-01 12:37:06 +02002050int cmd_report(int argc, const char **argv, const char *prefix __used)
Ingo Molnar53cb8bc2009-05-26 09:17:18 +02002051{
Arnaldo Carvalho de Meloa2928c42009-05-28 14:55:04 -03002052 symbol__init();
Ingo Molnar53cb8bc2009-05-26 09:17:18 +02002053
2054 page_size = getpagesize();
2055
Ingo Molnaredc52de2009-06-04 16:24:37 +02002056 argc = parse_options(argc, argv, options, report_usage, 0);
Ingo Molnar53cb8bc2009-05-26 09:17:18 +02002057
Peter Zijlstra1aa16732009-05-27 20:20:25 +02002058 setup_sorting();
2059
Arnaldo Carvalho de Melo021191b2009-07-11 12:18:35 -03002060 if (parent_pattern != default_parent_pattern) {
Ingo Molnarb8e6d822009-06-18 14:32:19 +02002061 sort_dimension__add("parent");
Arnaldo Carvalho de Melo021191b2009-07-11 12:18:35 -03002062 sort_parent.elide = 1;
2063 } else
Ingo Molnarb8e6d822009-06-18 14:32:19 +02002064 exclude_other = 0;
2065
Ingo Molnaredc52de2009-06-04 16:24:37 +02002066 /*
2067 * Any (unrecognized) arguments left?
2068 */
2069 if (argc)
2070 usage_with_options(report_usage, options);
2071
Ingo Molnara930d2c2009-05-27 09:50:13 +02002072 setup_pager();
2073
Arnaldo Carvalho de Melo021191b2009-07-11 12:18:35 -03002074 setup_list(&dso_list, dso_list_str, &sort_dso, "dso", stdout);
2075 setup_list(&comm_list, comm_list_str, &sort_comm, "comm", stdout);
2076 setup_list(&sym_list, sym_list_str, &sort_sym, "symbol", stdout);
Arnaldo Carvalho de Melo8fa66bd2009-05-18 12:45:42 -03002077
Arnaldo Carvalho de Melo52d422d2009-07-10 22:47:28 -03002078 if (field_sep && *field_sep == '.') {
2079 fputs("'.' is the only non valid --field-separator argument\n",
2080 stderr);
2081 exit(129);
2082 }
2083
Arnaldo Carvalho de Melo8fa66bd2009-05-18 12:45:42 -03002084 return __cmd_report();
2085}