blob: 9e9c91f5b7fae97de166583b46bd801fc4ccc2f1 [file] [log] [blame]
Frederic Weisbecker5f9c39d2009-08-17 16:18:08 +02001#include "builtin.h"
2
Andrea Gelminib7eead82010-08-05 15:51:38 +02003#include "perf.h"
Frederic Weisbecker5f9c39d2009-08-17 16:18:08 +02004#include "util/cache.h"
Andrea Gelminib7eead82010-08-05 15:51:38 +02005#include "util/debug.h"
6#include "util/exec_cmd.h"
7#include "util/header.h"
8#include "util/parse-options.h"
9#include "util/session.h"
Arnaldo Carvalho de Melo45694aa2011-11-28 08:30:20 -020010#include "util/tool.h"
Frederic Weisbecker5f9c39d2009-08-17 16:18:08 +020011#include "util/symbol.h"
12#include "util/thread.h"
Ingo Molnarcf723442009-11-28 10:11:00 +010013#include "util/trace-event.h"
Andrea Gelminib7eead82010-08-05 15:51:38 +020014#include "util/util.h"
David Ahern1424dc92011-03-09 22:23:28 -070015#include "util/evlist.h"
16#include "util/evsel.h"
Feng Tang36385be2012-09-07 16:42:24 +080017#include "util/sort.h"
Jiri Olsaf5fc1412013-10-15 16:27:32 +020018#include "util/data.h"
Anton Blanchard5d67be92011-07-04 21:57:50 +100019#include <linux/bitmap.h>
Frederic Weisbecker5f9c39d2009-08-17 16:18:08 +020020
Tom Zanussi956ffd02009-11-25 01:15:46 -060021static char const *script_name;
22static char const *generate_script_lang;
Frederic Weisbeckerffabd992010-05-27 16:27:47 +020023static bool debug_mode;
Frederic Weisbeckere1889d72010-04-24 01:55:09 +020024static u64 last_timestamp;
Frederic Weisbecker6fcf7dd2010-05-27 15:46:25 +020025static u64 nr_unordered;
Tom Zanussi34c86ea2010-11-10 08:15:43 -060026extern const struct option record_options[];
David Ahernc0230b22011-03-09 22:23:27 -070027static bool no_callchain;
Namhyung Kim47390ae2013-06-04 14:20:28 +090028static bool latency_format;
Robert Richter317df652011-11-25 15:05:25 +010029static bool system_wide;
Anton Blanchard5d67be92011-07-04 21:57:50 +100030static const char *cpu_list;
31static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
Tom Zanussi956ffd02009-11-25 01:15:46 -060032
David Ahern745f43e2011-03-09 22:23:26 -070033enum perf_output_field {
34 PERF_OUTPUT_COMM = 1U << 0,
35 PERF_OUTPUT_TID = 1U << 1,
36 PERF_OUTPUT_PID = 1U << 2,
37 PERF_OUTPUT_TIME = 1U << 3,
38 PERF_OUTPUT_CPU = 1U << 4,
39 PERF_OUTPUT_EVNAME = 1U << 5,
40 PERF_OUTPUT_TRACE = 1U << 6,
David Ahern787bef12011-05-27 14:28:43 -060041 PERF_OUTPUT_IP = 1U << 7,
42 PERF_OUTPUT_SYM = 1U << 8,
David Ahern610723f2011-05-27 14:28:44 -060043 PERF_OUTPUT_DSO = 1U << 9,
David Ahern7cec0922011-05-30 13:08:23 -060044 PERF_OUTPUT_ADDR = 1U << 10,
Akihiro Nagaia978f2a2012-01-30 13:43:15 +090045 PERF_OUTPUT_SYMOFFSET = 1U << 11,
Adrian Huntercc8fae12013-12-06 09:42:57 +020046 PERF_OUTPUT_SRCLINE = 1U << 12,
David Ahern745f43e2011-03-09 22:23:26 -070047};
48
49struct output_option {
50 const char *str;
51 enum perf_output_field field;
52} all_output_options[] = {
53 {.str = "comm", .field = PERF_OUTPUT_COMM},
54 {.str = "tid", .field = PERF_OUTPUT_TID},
55 {.str = "pid", .field = PERF_OUTPUT_PID},
56 {.str = "time", .field = PERF_OUTPUT_TIME},
57 {.str = "cpu", .field = PERF_OUTPUT_CPU},
58 {.str = "event", .field = PERF_OUTPUT_EVNAME},
59 {.str = "trace", .field = PERF_OUTPUT_TRACE},
David Ahern787bef12011-05-27 14:28:43 -060060 {.str = "ip", .field = PERF_OUTPUT_IP},
David Ahernc0230b22011-03-09 22:23:27 -070061 {.str = "sym", .field = PERF_OUTPUT_SYM},
David Ahern610723f2011-05-27 14:28:44 -060062 {.str = "dso", .field = PERF_OUTPUT_DSO},
David Ahern7cec0922011-05-30 13:08:23 -060063 {.str = "addr", .field = PERF_OUTPUT_ADDR},
Akihiro Nagaia978f2a2012-01-30 13:43:15 +090064 {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET},
Adrian Huntercc8fae12013-12-06 09:42:57 +020065 {.str = "srcline", .field = PERF_OUTPUT_SRCLINE},
David Ahern745f43e2011-03-09 22:23:26 -070066};
67
68/* default set to maintain compatibility with current format */
David Ahern2c9e45f72011-03-17 10:03:21 -060069static struct {
70 bool user_set;
David Ahern9cbdb702011-04-06 21:54:20 -060071 bool wildcard_set;
David Aherna6ffaf92013-08-07 22:50:51 -040072 unsigned int print_ip_opts;
David Ahern2c9e45f72011-03-17 10:03:21 -060073 u64 fields;
74 u64 invalid_fields;
75} output[PERF_TYPE_MAX] = {
David Ahern1424dc92011-03-09 22:23:28 -070076
David Ahern2c9e45f72011-03-17 10:03:21 -060077 [PERF_TYPE_HARDWARE] = {
78 .user_set = false,
David Ahern1424dc92011-03-09 22:23:28 -070079
David Ahern2c9e45f72011-03-17 10:03:21 -060080 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
81 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
David Ahern787bef12011-05-27 14:28:43 -060082 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
David Ahern610723f2011-05-27 14:28:44 -060083 PERF_OUTPUT_SYM | PERF_OUTPUT_DSO,
David Ahern2c9e45f72011-03-17 10:03:21 -060084
85 .invalid_fields = PERF_OUTPUT_TRACE,
86 },
87
88 [PERF_TYPE_SOFTWARE] = {
89 .user_set = false,
90
91 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
92 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
David Ahern787bef12011-05-27 14:28:43 -060093 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
David Ahern610723f2011-05-27 14:28:44 -060094 PERF_OUTPUT_SYM | PERF_OUTPUT_DSO,
David Ahern2c9e45f72011-03-17 10:03:21 -060095
96 .invalid_fields = PERF_OUTPUT_TRACE,
97 },
98
99 [PERF_TYPE_TRACEPOINT] = {
100 .user_set = false,
101
102 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
103 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
104 PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE,
105 },
Arun Sharma0817a6a2011-04-14 10:38:18 -0700106
107 [PERF_TYPE_RAW] = {
108 .user_set = false,
109
110 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
111 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
David Ahern787bef12011-05-27 14:28:43 -0600112 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
David Ahern610723f2011-05-27 14:28:44 -0600113 PERF_OUTPUT_SYM | PERF_OUTPUT_DSO,
Arun Sharma0817a6a2011-04-14 10:38:18 -0700114
115 .invalid_fields = PERF_OUTPUT_TRACE,
116 },
David Ahern1424dc92011-03-09 22:23:28 -0700117};
David Ahern745f43e2011-03-09 22:23:26 -0700118
David Ahern2c9e45f72011-03-17 10:03:21 -0600119static bool output_set_by_user(void)
120{
121 int j;
122 for (j = 0; j < PERF_TYPE_MAX; ++j) {
123 if (output[j].user_set)
124 return true;
125 }
126 return false;
127}
David Ahern745f43e2011-03-09 22:23:26 -0700128
David Ahern9cbdb702011-04-06 21:54:20 -0600129static const char *output_field2str(enum perf_output_field field)
130{
131 int i, imax = ARRAY_SIZE(all_output_options);
132 const char *str = "";
133
134 for (i = 0; i < imax; ++i) {
135 if (all_output_options[i].field == field) {
136 str = all_output_options[i].str;
137 break;
138 }
139 }
140 return str;
141}
142
David Ahern2c9e45f72011-03-17 10:03:21 -0600143#define PRINT_FIELD(x) (output[attr->type].fields & PERF_OUTPUT_##x)
David Ahern1424dc92011-03-09 22:23:28 -0700144
Arnaldo Carvalho de Melo5bff01f2012-06-12 13:35:44 -0300145static int perf_evsel__check_stype(struct perf_evsel *evsel,
146 u64 sample_type, const char *sample_msg,
147 enum perf_output_field field)
David Ahern1424dc92011-03-09 22:23:28 -0700148{
Arnaldo Carvalho de Melo5bff01f2012-06-12 13:35:44 -0300149 struct perf_event_attr *attr = &evsel->attr;
David Ahern9cbdb702011-04-06 21:54:20 -0600150 int type = attr->type;
151 const char *evname;
152
153 if (attr->sample_type & sample_type)
154 return 0;
155
156 if (output[type].user_set) {
Arnaldo Carvalho de Melo5bff01f2012-06-12 13:35:44 -0300157 evname = perf_evsel__name(evsel);
David Ahern9cbdb702011-04-06 21:54:20 -0600158 pr_err("Samples for '%s' event do not have %s attribute set. "
159 "Cannot print '%s' field.\n",
160 evname, sample_msg, output_field2str(field));
161 return -1;
162 }
163
164 /* user did not ask for it explicitly so remove from the default list */
165 output[type].fields &= ~field;
Arnaldo Carvalho de Melo5bff01f2012-06-12 13:35:44 -0300166 evname = perf_evsel__name(evsel);
David Ahern9cbdb702011-04-06 21:54:20 -0600167 pr_debug("Samples for '%s' event do not have %s attribute set. "
168 "Skipping '%s' field.\n",
169 evname, sample_msg, output_field2str(field));
170
171 return 0;
172}
173
174static int perf_evsel__check_attr(struct perf_evsel *evsel,
175 struct perf_session *session)
176{
177 struct perf_event_attr *attr = &evsel->attr;
178
David Ahern1424dc92011-03-09 22:23:28 -0700179 if (PRINT_FIELD(TRACE) &&
180 !perf_session__has_traces(session, "record -R"))
181 return -EINVAL;
182
David Ahern787bef12011-05-27 14:28:43 -0600183 if (PRINT_FIELD(IP)) {
Arnaldo Carvalho de Melo5bff01f2012-06-12 13:35:44 -0300184 if (perf_evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP",
185 PERF_OUTPUT_IP))
David Ahern1424dc92011-03-09 22:23:28 -0700186 return -EINVAL;
David Ahern9cbdb702011-04-06 21:54:20 -0600187
David Ahern1424dc92011-03-09 22:23:28 -0700188 if (!no_callchain &&
David Ahern9cbdb702011-04-06 21:54:20 -0600189 !(attr->sample_type & PERF_SAMPLE_CALLCHAIN))
David Ahern1424dc92011-03-09 22:23:28 -0700190 symbol_conf.use_callchain = false;
191 }
David Ahern7cec0922011-05-30 13:08:23 -0600192
193 if (PRINT_FIELD(ADDR) &&
Arnaldo Carvalho de Melo5bff01f2012-06-12 13:35:44 -0300194 perf_evsel__check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR",
195 PERF_OUTPUT_ADDR))
David Ahern7cec0922011-05-30 13:08:23 -0600196 return -EINVAL;
197
198 if (PRINT_FIELD(SYM) && !PRINT_FIELD(IP) && !PRINT_FIELD(ADDR)) {
199 pr_err("Display of symbols requested but neither sample IP nor "
200 "sample address\nis selected. Hence, no addresses to convert "
201 "to symbols.\n");
David Ahern787bef12011-05-27 14:28:43 -0600202 return -EINVAL;
203 }
Akihiro Nagaia978f2a2012-01-30 13:43:15 +0900204 if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) {
205 pr_err("Display of offsets requested but symbol is not"
206 "selected.\n");
207 return -EINVAL;
208 }
David Ahern7cec0922011-05-30 13:08:23 -0600209 if (PRINT_FIELD(DSO) && !PRINT_FIELD(IP) && !PRINT_FIELD(ADDR)) {
210 pr_err("Display of DSO requested but neither sample IP nor "
211 "sample address\nis selected. Hence, no addresses to convert "
212 "to DSO.\n");
David Ahern610723f2011-05-27 14:28:44 -0600213 return -EINVAL;
214 }
Adrian Huntercc8fae12013-12-06 09:42:57 +0200215 if (PRINT_FIELD(SRCLINE) && !PRINT_FIELD(IP)) {
216 pr_err("Display of source line number requested but sample IP is not\n"
217 "selected. Hence, no address to lookup the source line number.\n");
218 return -EINVAL;
219 }
David Ahern1424dc92011-03-09 22:23:28 -0700220
221 if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) &&
Arnaldo Carvalho de Melo5bff01f2012-06-12 13:35:44 -0300222 perf_evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID",
223 PERF_OUTPUT_TID|PERF_OUTPUT_PID))
David Ahern1424dc92011-03-09 22:23:28 -0700224 return -EINVAL;
David Ahern1424dc92011-03-09 22:23:28 -0700225
226 if (PRINT_FIELD(TIME) &&
Arnaldo Carvalho de Melo5bff01f2012-06-12 13:35:44 -0300227 perf_evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME",
228 PERF_OUTPUT_TIME))
David Ahern1424dc92011-03-09 22:23:28 -0700229 return -EINVAL;
David Ahern1424dc92011-03-09 22:23:28 -0700230
231 if (PRINT_FIELD(CPU) &&
Arnaldo Carvalho de Melo5bff01f2012-06-12 13:35:44 -0300232 perf_evsel__check_stype(evsel, PERF_SAMPLE_CPU, "CPU",
233 PERF_OUTPUT_CPU))
David Ahern1424dc92011-03-09 22:23:28 -0700234 return -EINVAL;
David Ahern9cbdb702011-04-06 21:54:20 -0600235
236 return 0;
237}
238
Adrian Hunter7ea95722013-11-01 15:51:30 +0200239static void set_print_ip_opts(struct perf_event_attr *attr)
240{
241 unsigned int type = attr->type;
242
243 output[type].print_ip_opts = 0;
244 if (PRINT_FIELD(IP))
245 output[type].print_ip_opts |= PRINT_IP_OPT_IP;
246
247 if (PRINT_FIELD(SYM))
248 output[type].print_ip_opts |= PRINT_IP_OPT_SYM;
249
250 if (PRINT_FIELD(DSO))
251 output[type].print_ip_opts |= PRINT_IP_OPT_DSO;
252
253 if (PRINT_FIELD(SYMOFFSET))
254 output[type].print_ip_opts |= PRINT_IP_OPT_SYMOFFSET;
Adrian Huntercc8fae12013-12-06 09:42:57 +0200255
256 if (PRINT_FIELD(SRCLINE))
257 output[type].print_ip_opts |= PRINT_IP_OPT_SRCLINE;
Adrian Hunter7ea95722013-11-01 15:51:30 +0200258}
259
David Ahern9cbdb702011-04-06 21:54:20 -0600260/*
261 * verify all user requested events exist and the samples
262 * have the expected data
263 */
264static int perf_session__check_output_opt(struct perf_session *session)
265{
266 int j;
267 struct perf_evsel *evsel;
268
269 for (j = 0; j < PERF_TYPE_MAX; ++j) {
270 evsel = perf_session__find_first_evtype(session, j);
271
272 /*
273 * even if fields is set to 0 (ie., show nothing) event must
274 * exist if user explicitly includes it on the command line
275 */
276 if (!evsel && output[j].user_set && !output[j].wildcard_set) {
277 pr_err("%s events do not exist. "
278 "Remove corresponding -f option to proceed.\n",
279 event_type(j));
280 return -1;
281 }
282
283 if (evsel && output[j].fields &&
284 perf_evsel__check_attr(evsel, session))
285 return -1;
David Aherna6ffaf92013-08-07 22:50:51 -0400286
287 if (evsel == NULL)
288 continue;
289
Adrian Hunter7ea95722013-11-01 15:51:30 +0200290 set_print_ip_opts(&evsel->attr);
David Ahern1424dc92011-03-09 22:23:28 -0700291 }
292
David Ahern80b8b492013-11-19 21:07:37 -0700293 /*
294 * set default for tracepoints to print symbols only
295 * if callchains are present
296 */
297 if (symbol_conf.use_callchain &&
298 !output[PERF_TYPE_TRACEPOINT].user_set) {
299 struct perf_event_attr *attr;
300
301 j = PERF_TYPE_TRACEPOINT;
302 evsel = perf_session__find_first_evtype(session, j);
303 if (evsel == NULL)
304 goto out;
305
306 attr = &evsel->attr;
307
308 if (attr->sample_type & PERF_SAMPLE_CALLCHAIN) {
309 output[j].fields |= PERF_OUTPUT_IP;
310 output[j].fields |= PERF_OUTPUT_SYM;
311 output[j].fields |= PERF_OUTPUT_DSO;
312 set_print_ip_opts(attr);
313 }
314 }
315
316out:
David Ahern1424dc92011-03-09 22:23:28 -0700317 return 0;
318}
David Ahern745f43e2011-03-09 22:23:26 -0700319
Arnaldo Carvalho de Melofcf65bf2012-08-07 09:58:03 -0300320static void print_sample_start(struct perf_sample *sample,
David Ahern1424dc92011-03-09 22:23:28 -0700321 struct thread *thread,
Arnaldo Carvalho de Melo5bff01f2012-06-12 13:35:44 -0300322 struct perf_evsel *evsel)
David Ahernc70c94b2011-03-09 22:23:25 -0700323{
Arnaldo Carvalho de Melo5bff01f2012-06-12 13:35:44 -0300324 struct perf_event_attr *attr = &evsel->attr;
David Ahernc70c94b2011-03-09 22:23:25 -0700325 unsigned long secs;
326 unsigned long usecs;
David Ahern745f43e2011-03-09 22:23:26 -0700327 unsigned long long nsecs;
David Ahernc70c94b2011-03-09 22:23:25 -0700328
David Ahern745f43e2011-03-09 22:23:26 -0700329 if (PRINT_FIELD(COMM)) {
330 if (latency_format)
Frederic Weisbeckerb9c51432013-09-11 14:46:56 +0200331 printf("%8.8s ", thread__comm_str(thread));
David Ahern787bef12011-05-27 14:28:43 -0600332 else if (PRINT_FIELD(IP) && symbol_conf.use_callchain)
Frederic Weisbeckerb9c51432013-09-11 14:46:56 +0200333 printf("%s ", thread__comm_str(thread));
David Ahern745f43e2011-03-09 22:23:26 -0700334 else
Frederic Weisbeckerb9c51432013-09-11 14:46:56 +0200335 printf("%16s ", thread__comm_str(thread));
David Ahern745f43e2011-03-09 22:23:26 -0700336 }
David Ahernc70c94b2011-03-09 22:23:25 -0700337
David Ahern745f43e2011-03-09 22:23:26 -0700338 if (PRINT_FIELD(PID) && PRINT_FIELD(TID))
339 printf("%5d/%-5d ", sample->pid, sample->tid);
340 else if (PRINT_FIELD(PID))
341 printf("%5d ", sample->pid);
342 else if (PRINT_FIELD(TID))
343 printf("%5d ", sample->tid);
David Ahernc70c94b2011-03-09 22:23:25 -0700344
David Ahern745f43e2011-03-09 22:23:26 -0700345 if (PRINT_FIELD(CPU)) {
346 if (latency_format)
347 printf("%3d ", sample->cpu);
348 else
349 printf("[%03d] ", sample->cpu);
350 }
David Ahernc70c94b2011-03-09 22:23:25 -0700351
David Ahern745f43e2011-03-09 22:23:26 -0700352 if (PRINT_FIELD(TIME)) {
353 nsecs = sample->time;
354 secs = nsecs / NSECS_PER_SEC;
355 nsecs -= secs * NSECS_PER_SEC;
356 usecs = nsecs / NSECS_PER_USEC;
357 printf("%5lu.%06lu: ", secs, usecs);
358 }
David Ahernc70c94b2011-03-09 22:23:25 -0700359}
360
Akihiro Nagai95582592012-01-30 13:43:09 +0900361static bool is_bts_event(struct perf_event_attr *attr)
362{
363 return ((attr->type == PERF_TYPE_HARDWARE) &&
364 (attr->config & PERF_COUNT_HW_BRANCH_INSTRUCTIONS) &&
365 (attr->sample_period == 1));
366}
367
David Ahern7cec0922011-05-30 13:08:23 -0600368static bool sample_addr_correlates_sym(struct perf_event_attr *attr)
369{
370 if ((attr->type == PERF_TYPE_SOFTWARE) &&
371 ((attr->config == PERF_COUNT_SW_PAGE_FAULTS) ||
372 (attr->config == PERF_COUNT_SW_PAGE_FAULTS_MIN) ||
373 (attr->config == PERF_COUNT_SW_PAGE_FAULTS_MAJ)))
374 return true;
375
Akihiro Nagai95582592012-01-30 13:43:09 +0900376 if (is_bts_event(attr))
377 return true;
378
David Ahern7cec0922011-05-30 13:08:23 -0600379 return false;
380}
381
382static void print_sample_addr(union perf_event *event,
383 struct perf_sample *sample,
Arnaldo Carvalho de Melo743eb862011-11-28 07:56:39 -0200384 struct machine *machine,
David Ahern7cec0922011-05-30 13:08:23 -0600385 struct thread *thread,
386 struct perf_event_attr *attr)
387{
388 struct addr_location al;
389 u8 cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK;
David Ahern7cec0922011-05-30 13:08:23 -0600390
391 printf("%16" PRIx64, sample->addr);
392
393 if (!sample_addr_correlates_sym(attr))
394 return;
395
Arnaldo Carvalho de Melo743eb862011-11-28 07:56:39 -0200396 thread__find_addr_map(thread, machine, cpumode, MAP__FUNCTION,
Adrian Hunter326f59b2013-08-08 14:32:27 +0300397 sample->addr, &al);
David Ahern7cec0922011-05-30 13:08:23 -0600398 if (!al.map)
Arnaldo Carvalho de Melo743eb862011-11-28 07:56:39 -0200399 thread__find_addr_map(thread, machine, cpumode, MAP__VARIABLE,
Adrian Hunter326f59b2013-08-08 14:32:27 +0300400 sample->addr, &al);
David Ahern7cec0922011-05-30 13:08:23 -0600401
402 al.cpu = sample->cpu;
403 al.sym = NULL;
404
405 if (al.map)
406 al.sym = map__find_symbol(al.map, al.addr, NULL);
407
408 if (PRINT_FIELD(SYM)) {
Akihiro Nagai547a92e2012-01-30 13:42:57 +0900409 printf(" ");
Akihiro Nagaia978f2a2012-01-30 13:43:15 +0900410 if (PRINT_FIELD(SYMOFFSET))
411 symbol__fprintf_symname_offs(al.sym, &al, stdout);
412 else
413 symbol__fprintf_symname(al.sym, stdout);
David Ahern7cec0922011-05-30 13:08:23 -0600414 }
415
416 if (PRINT_FIELD(DSO)) {
Akihiro Nagai547a92e2012-01-30 13:42:57 +0900417 printf(" (");
418 map__fprintf_dsoname(al.map, stdout);
419 printf(")");
David Ahern7cec0922011-05-30 13:08:23 -0600420 }
421}
422
Akihiro Nagai95582592012-01-30 13:43:09 +0900423static void print_sample_bts(union perf_event *event,
424 struct perf_sample *sample,
425 struct perf_evsel *evsel,
Adrian Huntera2cb3cf2013-12-04 16:16:36 +0200426 struct thread *thread,
427 struct addr_location *al)
Akihiro Nagai95582592012-01-30 13:43:09 +0900428{
429 struct perf_event_attr *attr = &evsel->attr;
430
431 /* print branch_from information */
432 if (PRINT_FIELD(IP)) {
433 if (!symbol_conf.use_callchain)
434 printf(" ");
435 else
436 printf("\n");
Arnaldo Carvalho de Melocc22e572013-12-19 17:20:06 -0300437 perf_evsel__print_ip(evsel, sample, al,
David Ahern307cbb92013-08-07 22:50:53 -0400438 output[attr->type].print_ip_opts,
439 PERF_MAX_STACK_DEPTH);
Akihiro Nagai95582592012-01-30 13:43:09 +0900440 }
441
442 printf(" => ");
443
444 /* print branch_to information */
Adrian Hunter243be3d2013-10-18 15:29:14 +0300445 if (PRINT_FIELD(ADDR) ||
446 ((evsel->attr.sample_type & PERF_SAMPLE_ADDR) &&
447 !output[attr->type].user_set))
Arnaldo Carvalho de Melocc22e572013-12-19 17:20:06 -0300448 print_sample_addr(event, sample, al->machine, thread, attr);
Akihiro Nagai95582592012-01-30 13:43:09 +0900449
450 printf("\n");
451}
452
Arnaldo Carvalho de Melo97822432012-08-07 23:50:21 -0300453static void process_event(union perf_event *event, struct perf_sample *sample,
Arnaldo Carvalho de Melocc22e572013-12-19 17:20:06 -0300454 struct perf_evsel *evsel, struct thread *thread,
Adrian Huntera2cb3cf2013-12-04 16:16:36 +0200455 struct addr_location *al)
David Ahernbe6d8422011-03-09 22:23:23 -0700456{
Arnaldo Carvalho de Melo9e69c212011-03-15 15:44:01 -0300457 struct perf_event_attr *attr = &evsel->attr;
David Ahern1424dc92011-03-09 22:23:28 -0700458
David Ahern2c9e45f72011-03-17 10:03:21 -0600459 if (output[attr->type].fields == 0)
David Ahern1424dc92011-03-09 22:23:28 -0700460 return;
461
Arnaldo Carvalho de Melofcf65bf2012-08-07 09:58:03 -0300462 print_sample_start(sample, thread, evsel);
David Ahern745f43e2011-03-09 22:23:26 -0700463
Namhyung Kime944d3d2013-11-18 14:34:52 +0900464 if (PRINT_FIELD(EVNAME)) {
465 const char *evname = perf_evsel__name(evsel);
466 printf("%s: ", evname ? evname : "[unknown]");
467 }
468
Akihiro Nagai95582592012-01-30 13:43:09 +0900469 if (is_bts_event(attr)) {
Arnaldo Carvalho de Melocc22e572013-12-19 17:20:06 -0300470 print_sample_bts(event, sample, evsel, thread, al);
Akihiro Nagai95582592012-01-30 13:43:09 +0900471 return;
472 }
473
David Ahern745f43e2011-03-09 22:23:26 -0700474 if (PRINT_FIELD(TRACE))
Arnaldo Carvalho de Melofcf65bf2012-08-07 09:58:03 -0300475 event_format__print(evsel->tp_format, sample->cpu,
476 sample->raw_data, sample->raw_size);
David Ahern7cec0922011-05-30 13:08:23 -0600477 if (PRINT_FIELD(ADDR))
Arnaldo Carvalho de Melocc22e572013-12-19 17:20:06 -0300478 print_sample_addr(event, sample, al->machine, thread, attr);
David Ahern7cec0922011-05-30 13:08:23 -0600479
David Ahern787bef12011-05-27 14:28:43 -0600480 if (PRINT_FIELD(IP)) {
David Ahernc0230b22011-03-09 22:23:27 -0700481 if (!symbol_conf.use_callchain)
482 printf(" ");
483 else
484 printf("\n");
David Aherna6ffaf92013-08-07 22:50:51 -0400485
Arnaldo Carvalho de Melocc22e572013-12-19 17:20:06 -0300486 perf_evsel__print_ip(evsel, sample, al,
David Ahern307cbb92013-08-07 22:50:53 -0400487 output[attr->type].print_ip_opts,
488 PERF_MAX_STACK_DEPTH);
David Ahernc0230b22011-03-09 22:23:27 -0700489 }
490
David Ahernc70c94b2011-03-09 22:23:25 -0700491 printf("\n");
David Ahernbe6d8422011-03-09 22:23:23 -0700492}
493
Irina Tirdea1d037ca2012-09-11 01:15:03 +0300494static int default_start_script(const char *script __maybe_unused,
495 int argc __maybe_unused,
496 const char **argv __maybe_unused)
Tom Zanussi956ffd02009-11-25 01:15:46 -0600497{
498 return 0;
499}
500
501static int default_stop_script(void)
502{
503 return 0;
504}
505
Irina Tirdea1d037ca2012-09-11 01:15:03 +0300506static int default_generate_script(struct pevent *pevent __maybe_unused,
507 const char *outfile __maybe_unused)
Tom Zanussi956ffd02009-11-25 01:15:46 -0600508{
509 return 0;
510}
511
512static struct scripting_ops default_scripting_ops = {
513 .start_script = default_start_script,
514 .stop_script = default_stop_script,
David Ahernbe6d8422011-03-09 22:23:23 -0700515 .process_event = process_event,
Tom Zanussi956ffd02009-11-25 01:15:46 -0600516 .generate_script = default_generate_script,
517};
518
519static struct scripting_ops *scripting_ops;
520
521static void setup_scripting(void)
522{
Tom Zanussi16c632d2009-11-25 01:15:48 -0600523 setup_perl_scripting();
Tom Zanussi7e4b21b2010-01-27 02:27:57 -0600524 setup_python_scripting();
Tom Zanussi16c632d2009-11-25 01:15:48 -0600525
Tom Zanussi956ffd02009-11-25 01:15:46 -0600526 scripting_ops = &default_scripting_ops;
527}
528
529static int cleanup_scripting(void)
530{
Ingo Molnar133dc4c2010-11-16 18:45:39 +0100531 pr_debug("\nperf script stopped\n");
Tom Zanussi3824a4e2010-05-09 23:46:57 -0500532
Tom Zanussi956ffd02009-11-25 01:15:46 -0600533 return scripting_ops->stop_script();
534}
535
Irina Tirdea1d037ca2012-09-11 01:15:03 +0300536static int process_sample_event(struct perf_tool *tool __maybe_unused,
Arnaldo Carvalho de Melod20deb62011-11-25 08:19:45 -0200537 union perf_event *event,
Arnaldo Carvalho de Melo8115d602011-01-29 14:01:45 -0200538 struct perf_sample *sample,
Arnaldo Carvalho de Melo9e69c212011-03-15 15:44:01 -0300539 struct perf_evsel *evsel,
Arnaldo Carvalho de Melo743eb862011-11-28 07:56:39 -0200540 struct machine *machine)
Frederic Weisbecker5f9c39d2009-08-17 16:18:08 +0200541{
David Aherne7984b72011-11-21 10:02:52 -0700542 struct addr_location al;
Adrian Hunteref893252013-08-27 11:23:06 +0300543 struct thread *thread = machine__findnew_thread(machine, sample->pid,
544 sample->tid);
Frederic Weisbecker5f9c39d2009-08-17 16:18:08 +0200545
Frederic Weisbecker5f9c39d2009-08-17 16:18:08 +0200546 if (thread == NULL) {
Arnaldo Carvalho de Melo6beba7a2009-10-21 17:34:06 -0200547 pr_debug("problem processing %d event, skipping it.\n",
548 event->header.type);
Frederic Weisbecker5f9c39d2009-08-17 16:18:08 +0200549 return -1;
550 }
551
David Ahern1424dc92011-03-09 22:23:28 -0700552 if (debug_mode) {
553 if (sample->time < last_timestamp) {
554 pr_err("Samples misordered, previous: %" PRIu64
555 " this: %" PRIu64 "\n", last_timestamp,
556 sample->time);
557 nr_unordered++;
Frederic Weisbeckere1889d72010-04-24 01:55:09 +0200558 }
David Ahern1424dc92011-03-09 22:23:28 -0700559 last_timestamp = sample->time;
560 return 0;
Frederic Weisbecker5f9c39d2009-08-17 16:18:08 +0200561 }
Anton Blanchard5d67be92011-07-04 21:57:50 +1000562
Adrian Huntere44baa32013-08-08 14:32:25 +0300563 if (perf_event__preprocess_sample(event, machine, &al, sample) < 0) {
David Aherne7984b72011-11-21 10:02:52 -0700564 pr_err("problem processing %d event, skipping it.\n",
565 event->header.type);
566 return -1;
567 }
568
569 if (al.filtered)
570 return 0;
571
Anton Blanchard5d67be92011-07-04 21:57:50 +1000572 if (cpu_list && !test_bit(sample->cpu, cpu_bitmap))
573 return 0;
574
Arnaldo Carvalho de Melocc22e572013-12-19 17:20:06 -0300575 scripting_ops->process_event(event, sample, evsel, thread, &al);
Frederic Weisbecker5f9c39d2009-08-17 16:18:08 +0200576
Arnaldo Carvalho de Melo743eb862011-11-28 07:56:39 -0200577 evsel->hists.stats.total_period += sample->period;
Frederic Weisbecker5f9c39d2009-08-17 16:18:08 +0200578 return 0;
579}
580
Adrian Hunter6f3e5ed2013-10-22 10:34:07 +0300581struct perf_script {
582 struct perf_tool tool;
583 struct perf_session *session;
Namhyung Kimad7ebb92013-11-26 17:51:12 +0900584 bool show_task_events;
Namhyung Kimba1ddf42013-11-26 17:54:26 +0900585 bool show_mmap_events;
Frederic Weisbecker016e92f2009-10-07 12:47:31 +0200586};
587
Adrian Hunter7ea95722013-11-01 15:51:30 +0200588static int process_attr(struct perf_tool *tool, union perf_event *event,
589 struct perf_evlist **pevlist)
590{
591 struct perf_script *scr = container_of(tool, struct perf_script, tool);
592 struct perf_evlist *evlist;
593 struct perf_evsel *evsel, *pos;
594 int err;
595
596 err = perf_event__process_attr(tool, event, pevlist);
597 if (err)
598 return err;
599
600 evlist = *pevlist;
601 evsel = perf_evlist__last(*pevlist);
602
603 if (evsel->attr.type >= PERF_TYPE_MAX)
604 return 0;
605
Arnaldo Carvalho de Melo0050f7a2014-01-10 10:37:27 -0300606 evlist__for_each(evlist, pos) {
Adrian Hunter7ea95722013-11-01 15:51:30 +0200607 if (pos->attr.type == evsel->attr.type && pos != evsel)
608 return 0;
609 }
610
611 set_print_ip_opts(&evsel->attr);
612
613 return perf_evsel__check_attr(evsel, scr->session);
614}
615
Namhyung Kimad7ebb92013-11-26 17:51:12 +0900616static int process_comm_event(struct perf_tool *tool,
617 union perf_event *event,
618 struct perf_sample *sample,
619 struct machine *machine)
620{
621 struct thread *thread;
622 struct perf_script *script = container_of(tool, struct perf_script, tool);
623 struct perf_session *session = script->session;
624 struct perf_evsel *evsel = perf_evlist__first(session->evlist);
625 int ret = -1;
626
627 thread = machine__findnew_thread(machine, event->comm.pid, event->comm.tid);
628 if (thread == NULL) {
629 pr_debug("problem processing COMM event, skipping it.\n");
630 return -1;
631 }
632
633 if (perf_event__process_comm(tool, event, sample, machine) < 0)
634 goto out;
635
636 if (!evsel->attr.sample_id_all) {
637 sample->cpu = 0;
638 sample->time = 0;
639 sample->tid = event->comm.tid;
640 sample->pid = event->comm.pid;
641 }
642 print_sample_start(sample, thread, evsel);
643 perf_event__fprintf(event, stdout);
644 ret = 0;
645
646out:
647 return ret;
648}
649
650static int process_fork_event(struct perf_tool *tool,
651 union perf_event *event,
652 struct perf_sample *sample,
653 struct machine *machine)
654{
655 struct thread *thread;
656 struct perf_script *script = container_of(tool, struct perf_script, tool);
657 struct perf_session *session = script->session;
658 struct perf_evsel *evsel = perf_evlist__first(session->evlist);
659
660 if (perf_event__process_fork(tool, event, sample, machine) < 0)
661 return -1;
662
663 thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid);
664 if (thread == NULL) {
665 pr_debug("problem processing FORK event, skipping it.\n");
666 return -1;
667 }
668
669 if (!evsel->attr.sample_id_all) {
670 sample->cpu = 0;
671 sample->time = event->fork.time;
672 sample->tid = event->fork.tid;
673 sample->pid = event->fork.pid;
674 }
675 print_sample_start(sample, thread, evsel);
676 perf_event__fprintf(event, stdout);
677
678 return 0;
679}
680static int process_exit_event(struct perf_tool *tool,
681 union perf_event *event,
682 struct perf_sample *sample,
683 struct machine *machine)
684{
685 struct thread *thread;
686 struct perf_script *script = container_of(tool, struct perf_script, tool);
687 struct perf_session *session = script->session;
688 struct perf_evsel *evsel = perf_evlist__first(session->evlist);
689
690 thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid);
691 if (thread == NULL) {
692 pr_debug("problem processing EXIT event, skipping it.\n");
693 return -1;
694 }
695
696 if (!evsel->attr.sample_id_all) {
697 sample->cpu = 0;
698 sample->time = 0;
699 sample->tid = event->comm.tid;
700 sample->pid = event->comm.pid;
701 }
702 print_sample_start(sample, thread, evsel);
703 perf_event__fprintf(event, stdout);
704
705 if (perf_event__process_exit(tool, event, sample, machine) < 0)
706 return -1;
707
708 return 0;
709}
710
Namhyung Kimba1ddf42013-11-26 17:54:26 +0900711static int process_mmap_event(struct perf_tool *tool,
712 union perf_event *event,
713 struct perf_sample *sample,
714 struct machine *machine)
715{
716 struct thread *thread;
717 struct perf_script *script = container_of(tool, struct perf_script, tool);
718 struct perf_session *session = script->session;
719 struct perf_evsel *evsel = perf_evlist__first(session->evlist);
720
721 if (perf_event__process_mmap(tool, event, sample, machine) < 0)
722 return -1;
723
724 thread = machine__findnew_thread(machine, event->mmap.pid, event->mmap.tid);
725 if (thread == NULL) {
726 pr_debug("problem processing MMAP event, skipping it.\n");
727 return -1;
728 }
729
730 if (!evsel->attr.sample_id_all) {
731 sample->cpu = 0;
732 sample->time = 0;
733 sample->tid = event->mmap.tid;
734 sample->pid = event->mmap.pid;
735 }
736 print_sample_start(sample, thread, evsel);
737 perf_event__fprintf(event, stdout);
738
739 return 0;
740}
741
742static int process_mmap2_event(struct perf_tool *tool,
743 union perf_event *event,
744 struct perf_sample *sample,
745 struct machine *machine)
746{
747 struct thread *thread;
748 struct perf_script *script = container_of(tool, struct perf_script, tool);
749 struct perf_session *session = script->session;
750 struct perf_evsel *evsel = perf_evlist__first(session->evlist);
751
752 if (perf_event__process_mmap2(tool, event, sample, machine) < 0)
753 return -1;
754
755 thread = machine__findnew_thread(machine, event->mmap2.pid, event->mmap2.tid);
756 if (thread == NULL) {
757 pr_debug("problem processing MMAP2 event, skipping it.\n");
758 return -1;
759 }
760
761 if (!evsel->attr.sample_id_all) {
762 sample->cpu = 0;
763 sample->time = 0;
764 sample->tid = event->mmap2.tid;
765 sample->pid = event->mmap2.pid;
766 }
767 print_sample_start(sample, thread, evsel);
768 perf_event__fprintf(event, stdout);
769
770 return 0;
771}
772
Irina Tirdea1d037ca2012-09-11 01:15:03 +0300773static void sig_handler(int sig __maybe_unused)
Tom Zanussic239da32010-04-01 23:59:18 -0500774{
775 session_done = 1;
776}
777
Adrian Hunter6f3e5ed2013-10-22 10:34:07 +0300778static int __cmd_script(struct perf_script *script)
Frederic Weisbecker5f9c39d2009-08-17 16:18:08 +0200779{
Frederic Weisbecker6fcf7dd2010-05-27 15:46:25 +0200780 int ret;
781
Tom Zanussic239da32010-04-01 23:59:18 -0500782 signal(SIGINT, sig_handler);
783
Namhyung Kimad7ebb92013-11-26 17:51:12 +0900784 /* override event processing functions */
785 if (script->show_task_events) {
786 script->tool.comm = process_comm_event;
787 script->tool.fork = process_fork_event;
788 script->tool.exit = process_exit_event;
789 }
Namhyung Kimba1ddf42013-11-26 17:54:26 +0900790 if (script->show_mmap_events) {
791 script->tool.mmap = process_mmap_event;
792 script->tool.mmap2 = process_mmap2_event;
793 }
Namhyung Kimad7ebb92013-11-26 17:51:12 +0900794
Adrian Hunter6f3e5ed2013-10-22 10:34:07 +0300795 ret = perf_session__process_events(script->session, &script->tool);
Frederic Weisbecker6fcf7dd2010-05-27 15:46:25 +0200796
Arnaldo Carvalho de Melo6d8afb52011-01-04 16:27:30 -0200797 if (debug_mode)
Arnaldo Carvalho de Melo9486aa32011-01-22 20:37:02 -0200798 pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered);
Frederic Weisbecker6fcf7dd2010-05-27 15:46:25 +0200799
800 return ret;
Frederic Weisbecker5f9c39d2009-08-17 16:18:08 +0200801}
802
Tom Zanussi956ffd02009-11-25 01:15:46 -0600803struct script_spec {
804 struct list_head node;
805 struct scripting_ops *ops;
806 char spec[0];
807};
808
Arnaldo Carvalho de Meloeccdfe22011-01-04 16:32:52 -0200809static LIST_HEAD(script_specs);
Tom Zanussi956ffd02009-11-25 01:15:46 -0600810
811static struct script_spec *script_spec__new(const char *spec,
812 struct scripting_ops *ops)
813{
814 struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1);
815
816 if (s != NULL) {
817 strcpy(s->spec, spec);
818 s->ops = ops;
819 }
820
821 return s;
822}
823
Tom Zanussi956ffd02009-11-25 01:15:46 -0600824static void script_spec__add(struct script_spec *s)
825{
826 list_add_tail(&s->node, &script_specs);
827}
828
829static struct script_spec *script_spec__find(const char *spec)
830{
831 struct script_spec *s;
832
833 list_for_each_entry(s, &script_specs, node)
834 if (strcasecmp(s->spec, spec) == 0)
835 return s;
836 return NULL;
837}
838
839static struct script_spec *script_spec__findnew(const char *spec,
840 struct scripting_ops *ops)
841{
842 struct script_spec *s = script_spec__find(spec);
843
844 if (s)
845 return s;
846
847 s = script_spec__new(spec, ops);
848 if (!s)
Namhyung Kim466e2872011-12-28 00:35:51 +0900849 return NULL;
Tom Zanussi956ffd02009-11-25 01:15:46 -0600850
851 script_spec__add(s);
852
853 return s;
Tom Zanussi956ffd02009-11-25 01:15:46 -0600854}
855
856int script_spec_register(const char *spec, struct scripting_ops *ops)
857{
858 struct script_spec *s;
859
860 s = script_spec__find(spec);
861 if (s)
862 return -1;
863
864 s = script_spec__findnew(spec, ops);
865 if (!s)
866 return -1;
867
868 return 0;
869}
870
871static struct scripting_ops *script_spec__lookup(const char *spec)
872{
873 struct script_spec *s = script_spec__find(spec);
874 if (!s)
875 return NULL;
876
877 return s->ops;
878}
879
880static void list_available_languages(void)
881{
882 struct script_spec *s;
883
884 fprintf(stderr, "\n");
885 fprintf(stderr, "Scripting language extensions (used in "
Ingo Molnar133dc4c2010-11-16 18:45:39 +0100886 "perf script -s [spec:]script.[spec]):\n\n");
Tom Zanussi956ffd02009-11-25 01:15:46 -0600887
888 list_for_each_entry(s, &script_specs, node)
889 fprintf(stderr, " %-42s [%s]\n", s->spec, s->ops->name);
890
891 fprintf(stderr, "\n");
892}
893
Irina Tirdea1d037ca2012-09-11 01:15:03 +0300894static int parse_scriptname(const struct option *opt __maybe_unused,
895 const char *str, int unset __maybe_unused)
Tom Zanussi956ffd02009-11-25 01:15:46 -0600896{
897 char spec[PATH_MAX];
898 const char *script, *ext;
899 int len;
900
Tom Zanussif526d682010-01-27 02:27:52 -0600901 if (strcmp(str, "lang") == 0) {
Tom Zanussi956ffd02009-11-25 01:15:46 -0600902 list_available_languages();
Tom Zanussif526d682010-01-27 02:27:52 -0600903 exit(0);
Tom Zanussi956ffd02009-11-25 01:15:46 -0600904 }
905
906 script = strchr(str, ':');
907 if (script) {
908 len = script - str;
909 if (len >= PATH_MAX) {
910 fprintf(stderr, "invalid language specifier");
911 return -1;
912 }
913 strncpy(spec, str, len);
914 spec[len] = '\0';
915 scripting_ops = script_spec__lookup(spec);
916 if (!scripting_ops) {
917 fprintf(stderr, "invalid language specifier");
918 return -1;
919 }
920 script++;
921 } else {
922 script = str;
Ben Hutchingsd1e95bb2010-10-10 16:11:02 +0100923 ext = strrchr(script, '.');
Tom Zanussi956ffd02009-11-25 01:15:46 -0600924 if (!ext) {
925 fprintf(stderr, "invalid script extension");
926 return -1;
927 }
928 scripting_ops = script_spec__lookup(++ext);
929 if (!scripting_ops) {
930 fprintf(stderr, "invalid script extension");
931 return -1;
932 }
933 }
934
935 script_name = strdup(script);
936
937 return 0;
938}
939
Irina Tirdea1d037ca2012-09-11 01:15:03 +0300940static int parse_output_fields(const struct option *opt __maybe_unused,
941 const char *arg, int unset __maybe_unused)
David Ahern745f43e2011-03-09 22:23:26 -0700942{
943 char *tok;
Sasha Levin50ca19a2012-12-20 14:11:19 -0500944 int i, imax = ARRAY_SIZE(all_output_options);
David Ahern2c9e45f72011-03-17 10:03:21 -0600945 int j;
David Ahern745f43e2011-03-09 22:23:26 -0700946 int rc = 0;
947 char *str = strdup(arg);
David Ahern1424dc92011-03-09 22:23:28 -0700948 int type = -1;
David Ahern745f43e2011-03-09 22:23:26 -0700949
950 if (!str)
951 return -ENOMEM;
952
David Ahern2c9e45f72011-03-17 10:03:21 -0600953 /* first word can state for which event type the user is specifying
954 * the fields. If no type exists, the specified fields apply to all
955 * event types found in the file minus the invalid fields for a type.
David Ahern1424dc92011-03-09 22:23:28 -0700956 */
David Ahern2c9e45f72011-03-17 10:03:21 -0600957 tok = strchr(str, ':');
958 if (tok) {
959 *tok = '\0';
960 tok++;
961 if (!strcmp(str, "hw"))
962 type = PERF_TYPE_HARDWARE;
963 else if (!strcmp(str, "sw"))
964 type = PERF_TYPE_SOFTWARE;
965 else if (!strcmp(str, "trace"))
966 type = PERF_TYPE_TRACEPOINT;
Arun Sharma0817a6a2011-04-14 10:38:18 -0700967 else if (!strcmp(str, "raw"))
968 type = PERF_TYPE_RAW;
David Ahern2c9e45f72011-03-17 10:03:21 -0600969 else {
970 fprintf(stderr, "Invalid event type in field string.\n");
Robert Richter38efb532011-11-25 11:38:40 +0100971 rc = -EINVAL;
972 goto out;
David Ahern2c9e45f72011-03-17 10:03:21 -0600973 }
974
975 if (output[type].user_set)
976 pr_warning("Overriding previous field request for %s events.\n",
977 event_type(type));
978
979 output[type].fields = 0;
980 output[type].user_set = true;
David Ahern9cbdb702011-04-06 21:54:20 -0600981 output[type].wildcard_set = false;
David Ahern2c9e45f72011-03-17 10:03:21 -0600982
983 } else {
984 tok = str;
985 if (strlen(str) == 0) {
986 fprintf(stderr,
987 "Cannot set fields to 'none' for all event types.\n");
988 rc = -EINVAL;
989 goto out;
990 }
991
992 if (output_set_by_user())
993 pr_warning("Overriding previous field request for all events.\n");
994
995 for (j = 0; j < PERF_TYPE_MAX; ++j) {
996 output[j].fields = 0;
997 output[j].user_set = true;
David Ahern9cbdb702011-04-06 21:54:20 -0600998 output[j].wildcard_set = true;
David Ahern2c9e45f72011-03-17 10:03:21 -0600999 }
David Ahern1424dc92011-03-09 22:23:28 -07001000 }
1001
David Ahern2c9e45f72011-03-17 10:03:21 -06001002 tok = strtok(tok, ",");
1003 while (tok) {
David Ahern745f43e2011-03-09 22:23:26 -07001004 for (i = 0; i < imax; ++i) {
David Ahern2c9e45f72011-03-17 10:03:21 -06001005 if (strcmp(tok, all_output_options[i].str) == 0)
David Ahern745f43e2011-03-09 22:23:26 -07001006 break;
David Ahern745f43e2011-03-09 22:23:26 -07001007 }
1008 if (i == imax) {
David Ahern2c9e45f72011-03-17 10:03:21 -06001009 fprintf(stderr, "Invalid field requested.\n");
David Ahern745f43e2011-03-09 22:23:26 -07001010 rc = -EINVAL;
David Ahern2c9e45f72011-03-17 10:03:21 -06001011 goto out;
1012 }
1013
1014 if (type == -1) {
1015 /* add user option to all events types for
1016 * which it is valid
1017 */
1018 for (j = 0; j < PERF_TYPE_MAX; ++j) {
1019 if (output[j].invalid_fields & all_output_options[i].field) {
1020 pr_warning("\'%s\' not valid for %s events. Ignoring.\n",
1021 all_output_options[i].str, event_type(j));
1022 } else
1023 output[j].fields |= all_output_options[i].field;
1024 }
1025 } else {
1026 if (output[type].invalid_fields & all_output_options[i].field) {
1027 fprintf(stderr, "\'%s\' not valid for %s events.\n",
1028 all_output_options[i].str, event_type(type));
1029
1030 rc = -EINVAL;
1031 goto out;
1032 }
1033 output[type].fields |= all_output_options[i].field;
1034 }
1035
1036 tok = strtok(NULL, ",");
1037 }
1038
1039 if (type >= 0) {
1040 if (output[type].fields == 0) {
1041 pr_debug("No fields requested for %s type. "
1042 "Events will not be displayed.\n", event_type(type));
David Ahern745f43e2011-03-09 22:23:26 -07001043 }
David Ahern1424dc92011-03-09 22:23:28 -07001044 }
David Ahern745f43e2011-03-09 22:23:26 -07001045
David Ahern2c9e45f72011-03-17 10:03:21 -06001046out:
David Ahern745f43e2011-03-09 22:23:26 -07001047 free(str);
1048 return rc;
1049}
1050
Shawn Bohrer008f29d2010-11-21 10:09:39 -06001051/* Helper function for filesystems that return a dent->d_type DT_UNKNOWN */
1052static int is_directory(const char *base_path, const struct dirent *dent)
1053{
1054 char path[PATH_MAX];
1055 struct stat st;
1056
1057 sprintf(path, "%s/%s", base_path, dent->d_name);
1058 if (stat(path, &st))
1059 return 0;
1060
1061 return S_ISDIR(st.st_mode);
1062}
1063
1064#define for_each_lang(scripts_path, scripts_dir, lang_dirent, lang_next)\
Tom Zanussi4b9c0c52009-12-15 02:53:38 -06001065 while (!readdir_r(scripts_dir, &lang_dirent, &lang_next) && \
1066 lang_next) \
Shawn Bohrer008f29d2010-11-21 10:09:39 -06001067 if ((lang_dirent.d_type == DT_DIR || \
1068 (lang_dirent.d_type == DT_UNKNOWN && \
1069 is_directory(scripts_path, &lang_dirent))) && \
Tom Zanussi4b9c0c52009-12-15 02:53:38 -06001070 (strcmp(lang_dirent.d_name, ".")) && \
1071 (strcmp(lang_dirent.d_name, "..")))
1072
Shawn Bohrer008f29d2010-11-21 10:09:39 -06001073#define for_each_script(lang_path, lang_dir, script_dirent, script_next)\
Tom Zanussi4b9c0c52009-12-15 02:53:38 -06001074 while (!readdir_r(lang_dir, &script_dirent, &script_next) && \
1075 script_next) \
Shawn Bohrer008f29d2010-11-21 10:09:39 -06001076 if (script_dirent.d_type != DT_DIR && \
1077 (script_dirent.d_type != DT_UNKNOWN || \
1078 !is_directory(lang_path, &script_dirent)))
Tom Zanussi4b9c0c52009-12-15 02:53:38 -06001079
1080
1081#define RECORD_SUFFIX "-record"
1082#define REPORT_SUFFIX "-report"
1083
1084struct script_desc {
1085 struct list_head node;
1086 char *name;
1087 char *half_liner;
1088 char *args;
1089};
1090
Arnaldo Carvalho de Meloeccdfe22011-01-04 16:32:52 -02001091static LIST_HEAD(script_descs);
Tom Zanussi4b9c0c52009-12-15 02:53:38 -06001092
1093static struct script_desc *script_desc__new(const char *name)
1094{
1095 struct script_desc *s = zalloc(sizeof(*s));
1096
Tom Zanussib5b87312010-11-10 08:16:51 -06001097 if (s != NULL && name)
Tom Zanussi4b9c0c52009-12-15 02:53:38 -06001098 s->name = strdup(name);
1099
1100 return s;
1101}
1102
1103static void script_desc__delete(struct script_desc *s)
1104{
Arnaldo Carvalho de Melo74cf2492013-12-27 16:55:14 -03001105 zfree(&s->name);
1106 zfree(&s->half_liner);
1107 zfree(&s->args);
Tom Zanussi4b9c0c52009-12-15 02:53:38 -06001108 free(s);
1109}
1110
1111static void script_desc__add(struct script_desc *s)
1112{
1113 list_add_tail(&s->node, &script_descs);
1114}
1115
1116static struct script_desc *script_desc__find(const char *name)
1117{
1118 struct script_desc *s;
1119
1120 list_for_each_entry(s, &script_descs, node)
1121 if (strcasecmp(s->name, name) == 0)
1122 return s;
1123 return NULL;
1124}
1125
1126static struct script_desc *script_desc__findnew(const char *name)
1127{
1128 struct script_desc *s = script_desc__find(name);
1129
1130 if (s)
1131 return s;
1132
1133 s = script_desc__new(name);
1134 if (!s)
1135 goto out_delete_desc;
1136
1137 script_desc__add(s);
1138
1139 return s;
1140
1141out_delete_desc:
1142 script_desc__delete(s);
1143
1144 return NULL;
1145}
1146
Stephane Eranian965bb6b2010-12-03 17:52:01 +02001147static const char *ends_with(const char *str, const char *suffix)
Tom Zanussi4b9c0c52009-12-15 02:53:38 -06001148{
1149 size_t suffix_len = strlen(suffix);
Stephane Eranian965bb6b2010-12-03 17:52:01 +02001150 const char *p = str;
Tom Zanussi4b9c0c52009-12-15 02:53:38 -06001151
1152 if (strlen(str) > suffix_len) {
1153 p = str + strlen(str) - suffix_len;
1154 if (!strncmp(p, suffix, suffix_len))
1155 return p;
1156 }
1157
1158 return NULL;
1159}
1160
Tom Zanussi4b9c0c52009-12-15 02:53:38 -06001161static int read_script_info(struct script_desc *desc, const char *filename)
1162{
1163 char line[BUFSIZ], *p;
1164 FILE *fp;
1165
1166 fp = fopen(filename, "r");
1167 if (!fp)
1168 return -1;
1169
1170 while (fgets(line, sizeof(line), fp)) {
1171 p = ltrim(line);
1172 if (strlen(p) == 0)
1173 continue;
1174 if (*p != '#')
1175 continue;
1176 p++;
1177 if (strlen(p) && *p == '!')
1178 continue;
1179
1180 p = ltrim(p);
1181 if (strlen(p) && p[strlen(p) - 1] == '\n')
1182 p[strlen(p) - 1] = '\0';
1183
1184 if (!strncmp(p, "description:", strlen("description:"))) {
1185 p += strlen("description:");
1186 desc->half_liner = strdup(ltrim(p));
1187 continue;
1188 }
1189
1190 if (!strncmp(p, "args:", strlen("args:"))) {
1191 p += strlen("args:");
1192 desc->args = strdup(ltrim(p));
1193 continue;
1194 }
1195 }
1196
1197 fclose(fp);
1198
1199 return 0;
1200}
1201
Robert Richter38efb532011-11-25 11:38:40 +01001202static char *get_script_root(struct dirent *script_dirent, const char *suffix)
1203{
1204 char *script_root, *str;
1205
1206 script_root = strdup(script_dirent->d_name);
1207 if (!script_root)
1208 return NULL;
1209
1210 str = (char *)ends_with(script_root, suffix);
1211 if (!str) {
1212 free(script_root);
1213 return NULL;
1214 }
1215
1216 *str = '\0';
1217 return script_root;
1218}
1219
Irina Tirdea1d037ca2012-09-11 01:15:03 +03001220static int list_available_scripts(const struct option *opt __maybe_unused,
1221 const char *s __maybe_unused,
1222 int unset __maybe_unused)
Tom Zanussi4b9c0c52009-12-15 02:53:38 -06001223{
1224 struct dirent *script_next, *lang_next, script_dirent, lang_dirent;
1225 char scripts_path[MAXPATHLEN];
1226 DIR *scripts_dir, *lang_dir;
1227 char script_path[MAXPATHLEN];
1228 char lang_path[MAXPATHLEN];
1229 struct script_desc *desc;
1230 char first_half[BUFSIZ];
1231 char *script_root;
Tom Zanussi4b9c0c52009-12-15 02:53:38 -06001232
1233 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", perf_exec_path());
1234
1235 scripts_dir = opendir(scripts_path);
1236 if (!scripts_dir)
1237 return -1;
1238
Shawn Bohrer008f29d2010-11-21 10:09:39 -06001239 for_each_lang(scripts_path, scripts_dir, lang_dirent, lang_next) {
Tom Zanussi4b9c0c52009-12-15 02:53:38 -06001240 snprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
1241 lang_dirent.d_name);
1242 lang_dir = opendir(lang_path);
1243 if (!lang_dir)
1244 continue;
1245
Shawn Bohrer008f29d2010-11-21 10:09:39 -06001246 for_each_script(lang_path, lang_dir, script_dirent, script_next) {
Robert Richter38efb532011-11-25 11:38:40 +01001247 script_root = get_script_root(&script_dirent, REPORT_SUFFIX);
1248 if (script_root) {
Tom Zanussi4b9c0c52009-12-15 02:53:38 -06001249 desc = script_desc__findnew(script_root);
1250 snprintf(script_path, MAXPATHLEN, "%s/%s",
1251 lang_path, script_dirent.d_name);
1252 read_script_info(desc, script_path);
Robert Richter38efb532011-11-25 11:38:40 +01001253 free(script_root);
Tom Zanussi4b9c0c52009-12-15 02:53:38 -06001254 }
Tom Zanussi4b9c0c52009-12-15 02:53:38 -06001255 }
1256 }
1257
1258 fprintf(stdout, "List of available trace scripts:\n");
1259 list_for_each_entry(desc, &script_descs, node) {
1260 sprintf(first_half, "%s %s", desc->name,
1261 desc->args ? desc->args : "");
1262 fprintf(stdout, " %-36s %s\n", first_half,
1263 desc->half_liner ? desc->half_liner : "");
1264 }
1265
1266 exit(0);
1267}
1268
Feng Tange5f37052012-09-07 16:42:26 +08001269/*
Feng Tang49e639e2012-10-30 11:56:03 +08001270 * Some scripts specify the required events in their "xxx-record" file,
1271 * this function will check if the events in perf.data match those
1272 * mentioned in the "xxx-record".
1273 *
1274 * Fixme: All existing "xxx-record" are all in good formats "-e event ",
1275 * which is covered well now. And new parsing code should be added to
1276 * cover the future complexing formats like event groups etc.
1277 */
1278static int check_ev_match(char *dir_name, char *scriptname,
1279 struct perf_session *session)
1280{
1281 char filename[MAXPATHLEN], evname[128];
1282 char line[BUFSIZ], *p;
1283 struct perf_evsel *pos;
1284 int match, len;
1285 FILE *fp;
1286
1287 sprintf(filename, "%s/bin/%s-record", dir_name, scriptname);
1288
1289 fp = fopen(filename, "r");
1290 if (!fp)
1291 return -1;
1292
1293 while (fgets(line, sizeof(line), fp)) {
1294 p = ltrim(line);
1295 if (*p == '#')
1296 continue;
1297
1298 while (strlen(p)) {
1299 p = strstr(p, "-e");
1300 if (!p)
1301 break;
1302
1303 p += 2;
1304 p = ltrim(p);
1305 len = strcspn(p, " \t");
1306 if (!len)
1307 break;
1308
1309 snprintf(evname, len + 1, "%s", p);
1310
1311 match = 0;
Arnaldo Carvalho de Melo0050f7a2014-01-10 10:37:27 -03001312 evlist__for_each(session->evlist, pos) {
Feng Tang49e639e2012-10-30 11:56:03 +08001313 if (!strcmp(perf_evsel__name(pos), evname)) {
1314 match = 1;
1315 break;
1316 }
1317 }
1318
1319 if (!match) {
1320 fclose(fp);
1321 return -1;
1322 }
1323 }
1324 }
1325
1326 fclose(fp);
1327 return 0;
1328}
1329
1330/*
Feng Tange5f37052012-09-07 16:42:26 +08001331 * Return -1 if none is found, otherwise the actual scripts number.
1332 *
1333 * Currently the only user of this function is the script browser, which
1334 * will list all statically runnable scripts, select one, execute it and
1335 * show the output in a perf browser.
1336 */
1337int find_scripts(char **scripts_array, char **scripts_path_array)
1338{
1339 struct dirent *script_next, *lang_next, script_dirent, lang_dirent;
Feng Tang49e639e2012-10-30 11:56:03 +08001340 char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN];
Feng Tange5f37052012-09-07 16:42:26 +08001341 DIR *scripts_dir, *lang_dir;
Feng Tang49e639e2012-10-30 11:56:03 +08001342 struct perf_session *session;
Jiri Olsaf5fc1412013-10-15 16:27:32 +02001343 struct perf_data_file file = {
1344 .path = input_name,
1345 .mode = PERF_DATA_MODE_READ,
1346 };
Feng Tange5f37052012-09-07 16:42:26 +08001347 char *temp;
1348 int i = 0;
1349
Jiri Olsaf5fc1412013-10-15 16:27:32 +02001350 session = perf_session__new(&file, false, NULL);
Feng Tang49e639e2012-10-30 11:56:03 +08001351 if (!session)
1352 return -1;
1353
Feng Tange5f37052012-09-07 16:42:26 +08001354 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", perf_exec_path());
1355
1356 scripts_dir = opendir(scripts_path);
Feng Tang49e639e2012-10-30 11:56:03 +08001357 if (!scripts_dir) {
1358 perf_session__delete(session);
Feng Tange5f37052012-09-07 16:42:26 +08001359 return -1;
Feng Tang49e639e2012-10-30 11:56:03 +08001360 }
Feng Tange5f37052012-09-07 16:42:26 +08001361
1362 for_each_lang(scripts_path, scripts_dir, lang_dirent, lang_next) {
1363 snprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path,
1364 lang_dirent.d_name);
1365#ifdef NO_LIBPERL
1366 if (strstr(lang_path, "perl"))
1367 continue;
1368#endif
1369#ifdef NO_LIBPYTHON
1370 if (strstr(lang_path, "python"))
1371 continue;
1372#endif
1373
1374 lang_dir = opendir(lang_path);
1375 if (!lang_dir)
1376 continue;
1377
1378 for_each_script(lang_path, lang_dir, script_dirent, script_next) {
1379 /* Skip those real time scripts: xxxtop.p[yl] */
1380 if (strstr(script_dirent.d_name, "top."))
1381 continue;
1382 sprintf(scripts_path_array[i], "%s/%s", lang_path,
1383 script_dirent.d_name);
1384 temp = strchr(script_dirent.d_name, '.');
1385 snprintf(scripts_array[i],
1386 (temp - script_dirent.d_name) + 1,
1387 "%s", script_dirent.d_name);
Feng Tang49e639e2012-10-30 11:56:03 +08001388
1389 if (check_ev_match(lang_path,
1390 scripts_array[i], session))
1391 continue;
1392
Feng Tange5f37052012-09-07 16:42:26 +08001393 i++;
1394 }
Feng Tang49e639e2012-10-30 11:56:03 +08001395 closedir(lang_dir);
Feng Tange5f37052012-09-07 16:42:26 +08001396 }
1397
Feng Tang49e639e2012-10-30 11:56:03 +08001398 closedir(scripts_dir);
1399 perf_session__delete(session);
Feng Tange5f37052012-09-07 16:42:26 +08001400 return i;
1401}
1402
Tom Zanussi38752942009-12-15 02:53:39 -06001403static char *get_script_path(const char *script_root, const char *suffix)
1404{
1405 struct dirent *script_next, *lang_next, script_dirent, lang_dirent;
1406 char scripts_path[MAXPATHLEN];
1407 char script_path[MAXPATHLEN];
1408 DIR *scripts_dir, *lang_dir;
1409 char lang_path[MAXPATHLEN];
Robert Richter38efb532011-11-25 11:38:40 +01001410 char *__script_root;
Tom Zanussi38752942009-12-15 02:53:39 -06001411
1412 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", perf_exec_path());
1413
1414 scripts_dir = opendir(scripts_path);
1415 if (!scripts_dir)
1416 return NULL;
1417
Shawn Bohrer008f29d2010-11-21 10:09:39 -06001418 for_each_lang(scripts_path, scripts_dir, lang_dirent, lang_next) {
Tom Zanussi38752942009-12-15 02:53:39 -06001419 snprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
1420 lang_dirent.d_name);
1421 lang_dir = opendir(lang_path);
1422 if (!lang_dir)
1423 continue;
1424
Shawn Bohrer008f29d2010-11-21 10:09:39 -06001425 for_each_script(lang_path, lang_dir, script_dirent, script_next) {
Robert Richter38efb532011-11-25 11:38:40 +01001426 __script_root = get_script_root(&script_dirent, suffix);
1427 if (__script_root && !strcmp(script_root, __script_root)) {
1428 free(__script_root);
Namhyung Kim946ef2a2012-01-08 02:25:25 +09001429 closedir(lang_dir);
1430 closedir(scripts_dir);
Tom Zanussi38752942009-12-15 02:53:39 -06001431 snprintf(script_path, MAXPATHLEN, "%s/%s",
1432 lang_path, script_dirent.d_name);
Robert Richter38efb532011-11-25 11:38:40 +01001433 return strdup(script_path);
Tom Zanussi38752942009-12-15 02:53:39 -06001434 }
1435 free(__script_root);
1436 }
Namhyung Kim946ef2a2012-01-08 02:25:25 +09001437 closedir(lang_dir);
Tom Zanussi38752942009-12-15 02:53:39 -06001438 }
Namhyung Kim946ef2a2012-01-08 02:25:25 +09001439 closedir(scripts_dir);
Tom Zanussi38752942009-12-15 02:53:39 -06001440
Robert Richter38efb532011-11-25 11:38:40 +01001441 return NULL;
Tom Zanussi38752942009-12-15 02:53:39 -06001442}
1443
Tom Zanussib5b87312010-11-10 08:16:51 -06001444static bool is_top_script(const char *script_path)
1445{
Stephane Eranian965bb6b2010-12-03 17:52:01 +02001446 return ends_with(script_path, "top") == NULL ? false : true;
Tom Zanussib5b87312010-11-10 08:16:51 -06001447}
1448
1449static int has_required_arg(char *script_path)
1450{
1451 struct script_desc *desc;
1452 int n_args = 0;
1453 char *p;
1454
1455 desc = script_desc__new(NULL);
1456
1457 if (read_script_info(desc, script_path))
1458 goto out;
1459
1460 if (!desc->args)
1461 goto out;
1462
1463 for (p = desc->args; *p; p++)
1464 if (*p == '<')
1465 n_args++;
1466out:
1467 script_desc__delete(desc);
1468
1469 return n_args;
1470}
1471
David Ahernd54b1a92012-08-26 12:24:46 -06001472static int have_cmd(int argc, const char **argv)
Tom Zanussi34c86ea2010-11-10 08:15:43 -06001473{
1474 char **__argv = malloc(sizeof(const char *) * argc);
1475
David Ahernd54b1a92012-08-26 12:24:46 -06001476 if (!__argv) {
1477 pr_err("malloc failed\n");
1478 return -1;
1479 }
1480
Tom Zanussi34c86ea2010-11-10 08:15:43 -06001481 memcpy(__argv, argv, sizeof(const char *) * argc);
1482 argc = parse_options(argc, (const char **)__argv, record_options,
1483 NULL, PARSE_OPT_STOP_AT_NON_OPTION);
1484 free(__argv);
1485
David Ahernd54b1a92012-08-26 12:24:46 -06001486 system_wide = (argc == 0);
1487
1488 return 0;
Tom Zanussi34c86ea2010-11-10 08:15:43 -06001489}
1490
Irina Tirdea1d037ca2012-09-11 01:15:03 +03001491int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused)
Frederic Weisbecker5f9c39d2009-08-17 16:18:08 +02001492{
Arnaldo Carvalho de Melo69b64702012-10-01 15:20:58 -03001493 bool show_full_info = false;
Jiri Olsae90debd2013-12-09 11:02:50 +01001494 bool header = false;
1495 bool header_only = false;
Tom Zanussib5b87312010-11-10 08:16:51 -06001496 char *rec_script_path = NULL;
1497 char *rep_script_path = NULL;
Arnaldo Carvalho de Melod8f66242009-12-13 19:50:24 -02001498 struct perf_session *session;
Tom Zanussib5b87312010-11-10 08:16:51 -06001499 char *script_path = NULL;
Tom Zanussi38752942009-12-15 02:53:39 -06001500 const char **__argv;
Tom Zanussib5b87312010-11-10 08:16:51 -06001501 int i, j, err;
Adrian Hunter6f3e5ed2013-10-22 10:34:07 +03001502 struct perf_script script = {
1503 .tool = {
1504 .sample = process_sample_event,
1505 .mmap = perf_event__process_mmap,
1506 .mmap2 = perf_event__process_mmap2,
1507 .comm = perf_event__process_comm,
1508 .exit = perf_event__process_exit,
1509 .fork = perf_event__process_fork,
Adrian Hunter7ea95722013-11-01 15:51:30 +02001510 .attr = process_attr,
Adrian Hunter6f3e5ed2013-10-22 10:34:07 +03001511 .tracing_data = perf_event__process_tracing_data,
1512 .build_id = perf_event__process_build_id,
1513 .ordered_samples = true,
1514 .ordering_requires_timestamps = true,
1515 },
1516 };
Arnaldo Carvalho de Melo69b64702012-10-01 15:20:58 -03001517 const struct option options[] = {
1518 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
1519 "dump raw trace in ASCII"),
1520 OPT_INCR('v', "verbose", &verbose,
1521 "be more verbose (show symbol address, etc)"),
1522 OPT_BOOLEAN('L', "Latency", &latency_format,
1523 "show latency attributes (irqs/preemption disabled, etc)"),
1524 OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts",
1525 list_available_scripts),
1526 OPT_CALLBACK('s', "script", NULL, "name",
1527 "script file name (lang:script name, script name, or *)",
1528 parse_scriptname),
1529 OPT_STRING('g', "gen-script", &generate_script_lang, "lang",
1530 "generate perf-script.xx script in specified language"),
1531 OPT_STRING('i', "input", &input_name, "file", "input file name"),
1532 OPT_BOOLEAN('d', "debug-mode", &debug_mode,
1533 "do various checks like samples ordering and lost events"),
Jiri Olsae90debd2013-12-09 11:02:50 +01001534 OPT_BOOLEAN(0, "header", &header, "Show data header."),
1535 OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."),
Arnaldo Carvalho de Melo69b64702012-10-01 15:20:58 -03001536 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
1537 "file", "vmlinux pathname"),
1538 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
1539 "file", "kallsyms pathname"),
1540 OPT_BOOLEAN('G', "hide-call-graph", &no_callchain,
1541 "When printing symbols do not display call chain"),
1542 OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory",
1543 "Look for files with symbols relative to this directory"),
1544 OPT_CALLBACK('f', "fields", NULL, "str",
1545 "comma separated output fields prepend with 'type:'. "
1546 "Valid types: hw,sw,trace,raw. "
1547 "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,"
1548 "addr,symoff", parse_output_fields),
1549 OPT_BOOLEAN('a', "all-cpus", &system_wide,
1550 "system-wide collection from all CPUs"),
1551 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
1552 "only consider these symbols"),
1553 OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
1554 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
1555 "only display events for these comms"),
1556 OPT_BOOLEAN('I', "show-info", &show_full_info,
1557 "display extended information from perf.data file"),
1558 OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path,
1559 "Show the path of [kernel.kallsyms]"),
Namhyung Kimad7ebb92013-11-26 17:51:12 +09001560 OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events,
1561 "Show the fork/comm/exit events"),
Namhyung Kimba1ddf42013-11-26 17:54:26 +09001562 OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events,
1563 "Show the mmap events"),
Arnaldo Carvalho de Melo69b64702012-10-01 15:20:58 -03001564 OPT_END()
1565 };
1566 const char * const script_usage[] = {
1567 "perf script [<options>]",
1568 "perf script [<options>] record <script> [<record-options>] <command>",
1569 "perf script [<options>] report <script> [script-args]",
1570 "perf script [<options>] <script> [<record-options>] <command>",
1571 "perf script [<options>] <top-script> [script-args]",
1572 NULL
1573 };
Jiri Olsaf5fc1412013-10-15 16:27:32 +02001574 struct perf_data_file file = {
1575 .mode = PERF_DATA_MODE_READ,
1576 };
Tom Zanussi38752942009-12-15 02:53:39 -06001577
Tom Zanussib5b87312010-11-10 08:16:51 -06001578 setup_scripting();
1579
Ingo Molnar133dc4c2010-11-16 18:45:39 +01001580 argc = parse_options(argc, argv, options, script_usage,
Tom Zanussib5b87312010-11-10 08:16:51 -06001581 PARSE_OPT_STOP_AT_NON_OPTION);
1582
Jiri Olsaf5fc1412013-10-15 16:27:32 +02001583 file.path = input_name;
1584
Tom Zanussib5b87312010-11-10 08:16:51 -06001585 if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) {
1586 rec_script_path = get_script_path(argv[1], RECORD_SUFFIX);
1587 if (!rec_script_path)
1588 return cmd_record(argc, argv, NULL);
Tom Zanussi38752942009-12-15 02:53:39 -06001589 }
1590
Tom Zanussib5b87312010-11-10 08:16:51 -06001591 if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) {
1592 rep_script_path = get_script_path(argv[1], REPORT_SUFFIX);
1593 if (!rep_script_path) {
Tom Zanussi38752942009-12-15 02:53:39 -06001594 fprintf(stderr,
Tom Zanussib5b87312010-11-10 08:16:51 -06001595 "Please specify a valid report script"
Ingo Molnar133dc4c2010-11-16 18:45:39 +01001596 "(see 'perf script -l' for listing)\n");
Tom Zanussi38752942009-12-15 02:53:39 -06001597 return -1;
1598 }
Tom Zanussi38752942009-12-15 02:53:39 -06001599 }
1600
Ben Hutchings44e668c2010-10-10 16:10:03 +01001601 /* make sure PERF_EXEC_PATH is set for scripts */
1602 perf_set_argv_exec_path(perf_exec_path());
1603
Tom Zanussib5b87312010-11-10 08:16:51 -06001604 if (argc && !script_name && !rec_script_path && !rep_script_path) {
Tom Zanussia0cccc22010-04-01 23:59:25 -05001605 int live_pipe[2];
Tom Zanussib5b87312010-11-10 08:16:51 -06001606 int rep_args;
Tom Zanussia0cccc22010-04-01 23:59:25 -05001607 pid_t pid;
1608
Tom Zanussib5b87312010-11-10 08:16:51 -06001609 rec_script_path = get_script_path(argv[0], RECORD_SUFFIX);
1610 rep_script_path = get_script_path(argv[0], REPORT_SUFFIX);
1611
1612 if (!rec_script_path && !rep_script_path) {
1613 fprintf(stderr, " Couldn't find script %s\n\n See perf"
Ingo Molnar133dc4c2010-11-16 18:45:39 +01001614 " script -l for available scripts.\n", argv[0]);
1615 usage_with_options(script_usage, options);
Tom Zanussia0cccc22010-04-01 23:59:25 -05001616 }
1617
Tom Zanussib5b87312010-11-10 08:16:51 -06001618 if (is_top_script(argv[0])) {
1619 rep_args = argc - 1;
1620 } else {
1621 int rec_args;
1622
1623 rep_args = has_required_arg(rep_script_path);
1624 rec_args = (argc - 1) - rep_args;
1625 if (rec_args < 0) {
1626 fprintf(stderr, " %s script requires options."
Ingo Molnar133dc4c2010-11-16 18:45:39 +01001627 "\n\n See perf script -l for available "
Tom Zanussib5b87312010-11-10 08:16:51 -06001628 "scripts and options.\n", argv[0]);
Ingo Molnar133dc4c2010-11-16 18:45:39 +01001629 usage_with_options(script_usage, options);
Tom Zanussib5b87312010-11-10 08:16:51 -06001630 }
Tom Zanussia0cccc22010-04-01 23:59:25 -05001631 }
1632
1633 if (pipe(live_pipe) < 0) {
1634 perror("failed to create pipe");
David Ahernd54b1a92012-08-26 12:24:46 -06001635 return -1;
Tom Zanussia0cccc22010-04-01 23:59:25 -05001636 }
1637
1638 pid = fork();
1639 if (pid < 0) {
1640 perror("failed to fork");
David Ahernd54b1a92012-08-26 12:24:46 -06001641 return -1;
Tom Zanussia0cccc22010-04-01 23:59:25 -05001642 }
1643
1644 if (!pid) {
Tom Zanussib5b87312010-11-10 08:16:51 -06001645 j = 0;
1646
Tom Zanussia0cccc22010-04-01 23:59:25 -05001647 dup2(live_pipe[1], 1);
1648 close(live_pipe[0]);
1649
Robert Richter317df652011-11-25 15:05:25 +01001650 if (is_top_script(argv[0])) {
1651 system_wide = true;
1652 } else if (!system_wide) {
David Ahernd54b1a92012-08-26 12:24:46 -06001653 if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) {
1654 err = -1;
1655 goto out;
1656 }
Robert Richter317df652011-11-25 15:05:25 +01001657 }
Tom Zanussib5b87312010-11-10 08:16:51 -06001658
1659 __argv = malloc((argc + 6) * sizeof(const char *));
David Ahernd54b1a92012-08-26 12:24:46 -06001660 if (!__argv) {
1661 pr_err("malloc failed\n");
1662 err = -ENOMEM;
1663 goto out;
1664 }
Tom Zanussie8719ad2010-11-10 07:52:32 -06001665
Tom Zanussib5b87312010-11-10 08:16:51 -06001666 __argv[j++] = "/bin/sh";
1667 __argv[j++] = rec_script_path;
1668 if (system_wide)
1669 __argv[j++] = "-a";
1670 __argv[j++] = "-q";
1671 __argv[j++] = "-o";
1672 __argv[j++] = "-";
1673 for (i = rep_args + 1; i < argc; i++)
1674 __argv[j++] = argv[i];
1675 __argv[j++] = NULL;
Tom Zanussia0cccc22010-04-01 23:59:25 -05001676
1677 execvp("/bin/sh", (char **)__argv);
Tom Zanussie8719ad2010-11-10 07:52:32 -06001678 free(__argv);
Tom Zanussia0cccc22010-04-01 23:59:25 -05001679 exit(-1);
1680 }
1681
1682 dup2(live_pipe[0], 0);
1683 close(live_pipe[1]);
1684
Tom Zanussib5b87312010-11-10 08:16:51 -06001685 __argv = malloc((argc + 4) * sizeof(const char *));
David Ahernd54b1a92012-08-26 12:24:46 -06001686 if (!__argv) {
1687 pr_err("malloc failed\n");
1688 err = -ENOMEM;
1689 goto out;
1690 }
1691
Tom Zanussib5b87312010-11-10 08:16:51 -06001692 j = 0;
Tom Zanussi34c86ea2010-11-10 08:15:43 -06001693 __argv[j++] = "/bin/sh";
Tom Zanussib5b87312010-11-10 08:16:51 -06001694 __argv[j++] = rep_script_path;
1695 for (i = 1; i < rep_args + 1; i++)
Tom Zanussi34c86ea2010-11-10 08:15:43 -06001696 __argv[j++] = argv[i];
Tom Zanussib5b87312010-11-10 08:16:51 -06001697 __argv[j++] = "-i";
1698 __argv[j++] = "-";
Tom Zanussi34c86ea2010-11-10 08:15:43 -06001699 __argv[j++] = NULL;
Tom Zanussi38752942009-12-15 02:53:39 -06001700
1701 execvp("/bin/sh", (char **)__argv);
Tom Zanussie8719ad2010-11-10 07:52:32 -06001702 free(__argv);
Tom Zanussi38752942009-12-15 02:53:39 -06001703 exit(-1);
1704 }
Tom Zanussi956ffd02009-11-25 01:15:46 -06001705
Tom Zanussib5b87312010-11-10 08:16:51 -06001706 if (rec_script_path)
1707 script_path = rec_script_path;
1708 if (rep_script_path)
1709 script_path = rep_script_path;
Tom Zanussi956ffd02009-11-25 01:15:46 -06001710
Tom Zanussib5b87312010-11-10 08:16:51 -06001711 if (script_path) {
Tom Zanussib5b87312010-11-10 08:16:51 -06001712 j = 0;
1713
Robert Richter317df652011-11-25 15:05:25 +01001714 if (!rec_script_path)
1715 system_wide = false;
David Ahernd54b1a92012-08-26 12:24:46 -06001716 else if (!system_wide) {
1717 if (have_cmd(argc - 1, &argv[1]) != 0) {
1718 err = -1;
1719 goto out;
1720 }
1721 }
Tom Zanussib5b87312010-11-10 08:16:51 -06001722
1723 __argv = malloc((argc + 2) * sizeof(const char *));
David Ahernd54b1a92012-08-26 12:24:46 -06001724 if (!__argv) {
1725 pr_err("malloc failed\n");
1726 err = -ENOMEM;
1727 goto out;
1728 }
1729
Tom Zanussib5b87312010-11-10 08:16:51 -06001730 __argv[j++] = "/bin/sh";
1731 __argv[j++] = script_path;
1732 if (system_wide)
1733 __argv[j++] = "-a";
1734 for (i = 2; i < argc; i++)
1735 __argv[j++] = argv[i];
1736 __argv[j++] = NULL;
1737
1738 execvp("/bin/sh", (char **)__argv);
1739 free(__argv);
1740 exit(-1);
1741 }
Frederic Weisbecker5f9c39d2009-08-17 16:18:08 +02001742
Arnaldo Carvalho de Melo655000e2009-12-15 20:04:40 -02001743 if (symbol__init() < 0)
1744 return -1;
Tom Zanussicf4fee52010-03-03 01:04:33 -06001745 if (!script_name)
1746 setup_pager();
Frederic Weisbecker5f9c39d2009-08-17 16:18:08 +02001747
Adrian Hunter6f3e5ed2013-10-22 10:34:07 +03001748 session = perf_session__new(&file, false, &script.tool);
Arnaldo Carvalho de Melod8f66242009-12-13 19:50:24 -02001749 if (session == NULL)
1750 return -ENOMEM;
1751
Jiri Olsae90debd2013-12-09 11:02:50 +01001752 if (header || header_only) {
1753 perf_session__fprintf_info(session, stdout, show_full_info);
1754 if (header_only)
1755 return 0;
1756 }
1757
Adrian Hunter6f3e5ed2013-10-22 10:34:07 +03001758 script.session = session;
1759
Anton Blanchard5d67be92011-07-04 21:57:50 +10001760 if (cpu_list) {
1761 if (perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap))
1762 return -1;
1763 }
1764
David Ahern1424dc92011-03-09 22:23:28 -07001765 if (!no_callchain)
David Ahernc0230b22011-03-09 22:23:27 -07001766 symbol_conf.use_callchain = true;
1767 else
1768 symbol_conf.use_callchain = false;
1769
Tom Zanussi956ffd02009-11-25 01:15:46 -06001770 if (generate_script_lang) {
1771 struct stat perf_stat;
David Ahern745f43e2011-03-09 22:23:26 -07001772 int input;
Tom Zanussi956ffd02009-11-25 01:15:46 -06001773
David Ahern2c9e45f72011-03-17 10:03:21 -06001774 if (output_set_by_user()) {
David Ahern745f43e2011-03-09 22:23:26 -07001775 fprintf(stderr,
1776 "custom fields not supported for generated scripts");
1777 return -1;
1778 }
1779
Jiri Olsacc9784bd2013-10-15 16:27:34 +02001780 input = open(file.path, O_RDONLY); /* input_name */
Tom Zanussi956ffd02009-11-25 01:15:46 -06001781 if (input < 0) {
1782 perror("failed to open file");
David Ahernd54b1a92012-08-26 12:24:46 -06001783 return -1;
Tom Zanussi956ffd02009-11-25 01:15:46 -06001784 }
1785
1786 err = fstat(input, &perf_stat);
1787 if (err < 0) {
1788 perror("failed to stat file");
David Ahernd54b1a92012-08-26 12:24:46 -06001789 return -1;
Tom Zanussi956ffd02009-11-25 01:15:46 -06001790 }
1791
1792 if (!perf_stat.st_size) {
1793 fprintf(stderr, "zero-sized file, nothing to do!\n");
David Ahernd54b1a92012-08-26 12:24:46 -06001794 return 0;
Tom Zanussi956ffd02009-11-25 01:15:46 -06001795 }
1796
1797 scripting_ops = script_spec__lookup(generate_script_lang);
1798 if (!scripting_ops) {
1799 fprintf(stderr, "invalid language specifier");
1800 return -1;
1801 }
1802
Jiri Olsa29f5ffd2013-12-03 14:09:23 +01001803 err = scripting_ops->generate_script(session->tevent.pevent,
Arnaldo Carvalho de Meloda378962012-06-27 13:08:42 -03001804 "perf-script");
Tom Zanussi956ffd02009-11-25 01:15:46 -06001805 goto out;
1806 }
1807
1808 if (script_name) {
Tom Zanussi586bc5c2009-12-15 02:53:35 -06001809 err = scripting_ops->start_script(script_name, argc, argv);
Tom Zanussi956ffd02009-11-25 01:15:46 -06001810 if (err)
1811 goto out;
Ingo Molnar133dc4c2010-11-16 18:45:39 +01001812 pr_debug("perf script started with script %s\n\n", script_name);
Tom Zanussi956ffd02009-11-25 01:15:46 -06001813 }
1814
David Ahern9cbdb702011-04-06 21:54:20 -06001815
1816 err = perf_session__check_output_opt(session);
1817 if (err < 0)
1818 goto out;
1819
Adrian Hunter6f3e5ed2013-10-22 10:34:07 +03001820 err = __cmd_script(&script);
Tom Zanussi956ffd02009-11-25 01:15:46 -06001821
Arnaldo Carvalho de Melod8f66242009-12-13 19:50:24 -02001822 perf_session__delete(session);
Tom Zanussi956ffd02009-11-25 01:15:46 -06001823 cleanup_scripting();
1824out:
1825 return err;
Frederic Weisbecker5f9c39d2009-08-17 16:18:08 +02001826}