4 #include "util/cache.h"
5 #include "util/debug.h"
6 #include <subcmd/exec-cmd.h>
7 #include "util/header.h"
8 #include <subcmd/parse-options.h>
9 #include "util/perf_regs.h"
10 #include "util/session.h"
11 #include "util/tool.h"
12 #include "util/symbol.h"
13 #include "util/thread.h"
14 #include "util/trace-event.h"
15 #include "util/util.h"
16 #include "util/evlist.h"
17 #include "util/evsel.h"
18 #include "util/sort.h"
19 #include "util/data.h"
20 #include "util/auxtrace.h"
21 #include "util/cpumap.h"
22 #include "util/thread_map.h"
23 #include "util/stat.h"
24 #include "util/thread-stack.h"
25 #include "util/time-utils.h"
26 #include <linux/bitmap.h>
27 #include <linux/stringify.h>
28 #include <linux/time64.h>
30 #include "util/mem-events.h"
31 #include "util/dump-insn.h"
33 static char const *script_name;
34 static char const *generate_script_lang;
35 static bool debug_mode;
36 static u64 last_timestamp;
37 static u64 nr_unordered;
38 static bool no_callchain;
39 static bool latency_format;
40 static bool system_wide;
41 static bool print_flags;
43 static const char *cpu_list;
44 static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
45 static struct perf_stat_config stat_config;
46 static int max_blocks;
48 unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH;
50 enum perf_output_field {
51 PERF_OUTPUT_COMM = 1U << 0,
52 PERF_OUTPUT_TID = 1U << 1,
53 PERF_OUTPUT_PID = 1U << 2,
54 PERF_OUTPUT_TIME = 1U << 3,
55 PERF_OUTPUT_CPU = 1U << 4,
56 PERF_OUTPUT_EVNAME = 1U << 5,
57 PERF_OUTPUT_TRACE = 1U << 6,
58 PERF_OUTPUT_IP = 1U << 7,
59 PERF_OUTPUT_SYM = 1U << 8,
60 PERF_OUTPUT_DSO = 1U << 9,
61 PERF_OUTPUT_ADDR = 1U << 10,
62 PERF_OUTPUT_SYMOFFSET = 1U << 11,
63 PERF_OUTPUT_SRCLINE = 1U << 12,
64 PERF_OUTPUT_PERIOD = 1U << 13,
65 PERF_OUTPUT_IREGS = 1U << 14,
66 PERF_OUTPUT_BRSTACK = 1U << 15,
67 PERF_OUTPUT_BRSTACKSYM = 1U << 16,
68 PERF_OUTPUT_DATA_SRC = 1U << 17,
69 PERF_OUTPUT_WEIGHT = 1U << 18,
70 PERF_OUTPUT_BPF_OUTPUT = 1U << 19,
71 PERF_OUTPUT_CALLINDENT = 1U << 20,
72 PERF_OUTPUT_INSN = 1U << 21,
73 PERF_OUTPUT_INSNLEN = 1U << 22,
74 PERF_OUTPUT_BRSTACKINSN = 1U << 23,
77 struct output_option {
79 enum perf_output_field field;
80 } all_output_options[] = {
81 {.str = "comm", .field = PERF_OUTPUT_COMM},
82 {.str = "tid", .field = PERF_OUTPUT_TID},
83 {.str = "pid", .field = PERF_OUTPUT_PID},
84 {.str = "time", .field = PERF_OUTPUT_TIME},
85 {.str = "cpu", .field = PERF_OUTPUT_CPU},
86 {.str = "event", .field = PERF_OUTPUT_EVNAME},
87 {.str = "trace", .field = PERF_OUTPUT_TRACE},
88 {.str = "ip", .field = PERF_OUTPUT_IP},
89 {.str = "sym", .field = PERF_OUTPUT_SYM},
90 {.str = "dso", .field = PERF_OUTPUT_DSO},
91 {.str = "addr", .field = PERF_OUTPUT_ADDR},
92 {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET},
93 {.str = "srcline", .field = PERF_OUTPUT_SRCLINE},
94 {.str = "period", .field = PERF_OUTPUT_PERIOD},
95 {.str = "iregs", .field = PERF_OUTPUT_IREGS},
96 {.str = "brstack", .field = PERF_OUTPUT_BRSTACK},
97 {.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM},
98 {.str = "data_src", .field = PERF_OUTPUT_DATA_SRC},
99 {.str = "weight", .field = PERF_OUTPUT_WEIGHT},
100 {.str = "bpf-output", .field = PERF_OUTPUT_BPF_OUTPUT},
101 {.str = "callindent", .field = PERF_OUTPUT_CALLINDENT},
102 {.str = "insn", .field = PERF_OUTPUT_INSN},
103 {.str = "insnlen", .field = PERF_OUTPUT_INSNLEN},
104 {.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN},
107 /* default set to maintain compatibility with current format */
111 unsigned int print_ip_opts;
114 } output[PERF_TYPE_MAX] = {
116 [PERF_TYPE_HARDWARE] = {
119 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
120 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
121 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
122 PERF_OUTPUT_SYM | PERF_OUTPUT_DSO |
125 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
128 [PERF_TYPE_SOFTWARE] = {
131 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
132 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
133 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
134 PERF_OUTPUT_SYM | PERF_OUTPUT_DSO |
135 PERF_OUTPUT_PERIOD | PERF_OUTPUT_BPF_OUTPUT,
137 .invalid_fields = PERF_OUTPUT_TRACE,
140 [PERF_TYPE_TRACEPOINT] = {
143 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
144 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
145 PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE
151 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
152 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
153 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
154 PERF_OUTPUT_SYM | PERF_OUTPUT_DSO |
155 PERF_OUTPUT_PERIOD | PERF_OUTPUT_ADDR |
156 PERF_OUTPUT_DATA_SRC | PERF_OUTPUT_WEIGHT,
158 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
161 [PERF_TYPE_BREAKPOINT] = {
164 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
165 PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
166 PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
167 PERF_OUTPUT_SYM | PERF_OUTPUT_DSO |
170 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
174 static bool output_set_by_user(void)
177 for (j = 0; j < PERF_TYPE_MAX; ++j) {
178 if (output[j].user_set)
184 static const char *output_field2str(enum perf_output_field field)
186 int i, imax = ARRAY_SIZE(all_output_options);
187 const char *str = "";
189 for (i = 0; i < imax; ++i) {
190 if (all_output_options[i].field == field) {
191 str = all_output_options[i].str;
198 #define PRINT_FIELD(x) (output[attr->type].fields & PERF_OUTPUT_##x)
200 static int perf_evsel__do_check_stype(struct perf_evsel *evsel,
201 u64 sample_type, const char *sample_msg,
202 enum perf_output_field field,
205 struct perf_event_attr *attr = &evsel->attr;
206 int type = attr->type;
209 if (attr->sample_type & sample_type)
212 if (output[type].user_set) {
215 evname = perf_evsel__name(evsel);
216 pr_err("Samples for '%s' event do not have %s attribute set. "
217 "Cannot print '%s' field.\n",
218 evname, sample_msg, output_field2str(field));
222 /* user did not ask for it explicitly so remove from the default list */
223 output[type].fields &= ~field;
224 evname = perf_evsel__name(evsel);
225 pr_debug("Samples for '%s' event do not have %s attribute set. "
226 "Skipping '%s' field.\n",
227 evname, sample_msg, output_field2str(field));
232 static int perf_evsel__check_stype(struct perf_evsel *evsel,
233 u64 sample_type, const char *sample_msg,
234 enum perf_output_field field)
236 return perf_evsel__do_check_stype(evsel, sample_type, sample_msg, field,
240 static int perf_evsel__check_attr(struct perf_evsel *evsel,
241 struct perf_session *session)
243 struct perf_event_attr *attr = &evsel->attr;
246 if (perf_header__has_feat(&session->header, HEADER_STAT))
249 allow_user_set = perf_header__has_feat(&session->header,
252 if (PRINT_FIELD(TRACE) &&
253 !perf_session__has_traces(session, "record -R"))
256 if (PRINT_FIELD(IP)) {
257 if (perf_evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP",
262 if (PRINT_FIELD(ADDR) &&
263 perf_evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR",
264 PERF_OUTPUT_ADDR, allow_user_set))
267 if (PRINT_FIELD(DATA_SRC) &&
268 perf_evsel__check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC",
269 PERF_OUTPUT_DATA_SRC))
272 if (PRINT_FIELD(WEIGHT) &&
273 perf_evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT, "WEIGHT",
277 if (PRINT_FIELD(SYM) && !PRINT_FIELD(IP) && !PRINT_FIELD(ADDR)) {
278 pr_err("Display of symbols requested but neither sample IP nor "
279 "sample address\nis selected. Hence, no addresses to convert "
283 if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) {
284 pr_err("Display of offsets requested but symbol is not"
288 if (PRINT_FIELD(DSO) && !PRINT_FIELD(IP) && !PRINT_FIELD(ADDR)) {
289 pr_err("Display of DSO requested but neither sample IP nor "
290 "sample address\nis selected. Hence, no addresses to convert "
294 if (PRINT_FIELD(SRCLINE) && !PRINT_FIELD(IP)) {
295 pr_err("Display of source line number requested but sample IP is not\n"
296 "selected. Hence, no address to lookup the source line number.\n");
299 if (PRINT_FIELD(BRSTACKINSN) &&
300 !(perf_evlist__combined_branch_type(session->evlist) &
301 PERF_SAMPLE_BRANCH_ANY)) {
302 pr_err("Display of branch stack assembler requested, but non all-branch filter set\n"
303 "Hint: run 'perf record -b ...'\n");
306 if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) &&
307 perf_evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID",
308 PERF_OUTPUT_TID|PERF_OUTPUT_PID))
311 if (PRINT_FIELD(TIME) &&
312 perf_evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME",
316 if (PRINT_FIELD(CPU) &&
317 perf_evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU",
318 PERF_OUTPUT_CPU, allow_user_set))
321 if (PRINT_FIELD(PERIOD) &&
322 perf_evsel__check_stype(evsel, PERF_SAMPLE_PERIOD, "PERIOD",
326 if (PRINT_FIELD(IREGS) &&
327 perf_evsel__check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS",
334 static void set_print_ip_opts(struct perf_event_attr *attr)
336 unsigned int type = attr->type;
338 output[type].print_ip_opts = 0;
340 output[type].print_ip_opts |= EVSEL__PRINT_IP;
342 if (PRINT_FIELD(SYM))
343 output[type].print_ip_opts |= EVSEL__PRINT_SYM;
345 if (PRINT_FIELD(DSO))
346 output[type].print_ip_opts |= EVSEL__PRINT_DSO;
348 if (PRINT_FIELD(SYMOFFSET))
349 output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET;
351 if (PRINT_FIELD(SRCLINE))
352 output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE;
356 * verify all user requested events exist and the samples
357 * have the expected data
359 static int perf_session__check_output_opt(struct perf_session *session)
362 struct perf_evsel *evsel;
364 for (j = 0; j < PERF_TYPE_MAX; ++j) {
365 evsel = perf_session__find_first_evtype(session, j);
368 * even if fields is set to 0 (ie., show nothing) event must
369 * exist if user explicitly includes it on the command line
371 if (!evsel && output[j].user_set && !output[j].wildcard_set) {
372 pr_err("%s events do not exist. "
373 "Remove corresponding -f option to proceed.\n",
378 if (evsel && output[j].fields &&
379 perf_evsel__check_attr(evsel, session))
385 set_print_ip_opts(&evsel->attr);
389 bool use_callchain = false;
390 bool not_pipe = false;
392 evlist__for_each_entry(session->evlist, evsel) {
394 if (evsel->attr.sample_type & PERF_SAMPLE_CALLCHAIN) {
395 use_callchain = true;
399 if (not_pipe && !use_callchain)
400 symbol_conf.use_callchain = false;
404 * set default for tracepoints to print symbols only
405 * if callchains are present
407 if (symbol_conf.use_callchain &&
408 !output[PERF_TYPE_TRACEPOINT].user_set) {
409 struct perf_event_attr *attr;
411 j = PERF_TYPE_TRACEPOINT;
413 evlist__for_each_entry(session->evlist, evsel) {
414 if (evsel->attr.type != j)
419 if (attr->sample_type & PERF_SAMPLE_CALLCHAIN) {
420 output[j].fields |= PERF_OUTPUT_IP;
421 output[j].fields |= PERF_OUTPUT_SYM;
422 output[j].fields |= PERF_OUTPUT_DSO;
423 set_print_ip_opts(attr);
433 static void print_sample_iregs(struct perf_sample *sample,
434 struct perf_event_attr *attr)
436 struct regs_dump *regs = &sample->intr_regs;
437 uint64_t mask = attr->sample_regs_intr;
443 for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) {
444 u64 val = regs->regs[i++];
445 printf("%5s:0x%"PRIx64" ", perf_reg_name(r), val);
449 static void print_sample_start(struct perf_sample *sample,
450 struct thread *thread,
451 struct perf_evsel *evsel)
453 struct perf_event_attr *attr = &evsel->attr;
455 unsigned long long nsecs;
457 if (PRINT_FIELD(COMM)) {
459 printf("%8.8s ", thread__comm_str(thread));
460 else if (PRINT_FIELD(IP) && symbol_conf.use_callchain)
461 printf("%s ", thread__comm_str(thread));
463 printf("%16s ", thread__comm_str(thread));
466 if (PRINT_FIELD(PID) && PRINT_FIELD(TID))
467 printf("%5d/%-5d ", sample->pid, sample->tid);
468 else if (PRINT_FIELD(PID))
469 printf("%5d ", sample->pid);
470 else if (PRINT_FIELD(TID))
471 printf("%5d ", sample->tid);
473 if (PRINT_FIELD(CPU)) {
475 printf("%3d ", sample->cpu);
477 printf("[%03d] ", sample->cpu);
480 if (PRINT_FIELD(TIME)) {
481 nsecs = sample->time;
482 secs = nsecs / NSEC_PER_SEC;
483 nsecs -= secs * NSEC_PER_SEC;
486 printf("%5lu.%09llu: ", secs, nsecs);
488 char sample_time[32];
489 timestamp__scnprintf_usec(sample->time, sample_time, sizeof(sample_time));
490 printf("%12s: ", sample_time);
496 mispred_str(struct branch_entry *br)
498 if (!(br->flags.mispred || br->flags.predicted))
501 return br->flags.predicted ? 'P' : 'M';
504 static void print_sample_brstack(struct perf_sample *sample)
506 struct branch_stack *br = sample->branch_stack;
512 for (i = 0; i < br->nr; i++) {
513 printf(" 0x%"PRIx64"/0x%"PRIx64"/%c/%c/%c/%d ",
516 mispred_str( br->entries + i),
517 br->entries[i].flags.in_tx? 'X' : '-',
518 br->entries[i].flags.abort? 'A' : '-',
519 br->entries[i].flags.cycles);
523 static void print_sample_brstacksym(struct perf_sample *sample,
524 struct thread *thread)
526 struct branch_stack *br = sample->branch_stack;
527 struct addr_location alf, alt;
533 for (i = 0; i < br->nr; i++) {
535 memset(&alf, 0, sizeof(alf));
536 memset(&alt, 0, sizeof(alt));
537 from = br->entries[i].from;
538 to = br->entries[i].to;
540 thread__find_addr_map(thread, sample->cpumode, MAP__FUNCTION, from, &alf);
542 alf.sym = map__find_symbol(alf.map, alf.addr);
544 thread__find_addr_map(thread, sample->cpumode, MAP__FUNCTION, to, &alt);
546 alt.sym = map__find_symbol(alt.map, alt.addr);
548 symbol__fprintf_symname_offs(alf.sym, &alf, stdout);
550 symbol__fprintf_symname_offs(alt.sym, &alt, stdout);
551 printf("/%c/%c/%c/%d ",
552 mispred_str( br->entries + i),
553 br->entries[i].flags.in_tx? 'X' : '-',
554 br->entries[i].flags.abort? 'A' : '-',
555 br->entries[i].flags.cycles);
559 #define MAXBB 16384UL
561 static int grab_bb(u8 *buffer, u64 start, u64 end,
562 struct machine *machine, struct thread *thread,
563 bool *is64bit, u8 *cpumode, bool last)
566 struct addr_location al;
572 kernel = machine__kernel_ip(machine, start);
574 *cpumode = PERF_RECORD_MISC_KERNEL;
576 *cpumode = PERF_RECORD_MISC_USER;
579 * Block overlaps between kernel and user.
580 * This can happen due to ring filtering
581 * On Intel CPUs the entry into the kernel is filtered,
582 * but the exit is not. Let the caller patch it up.
584 if (kernel != machine__kernel_ip(machine, end)) {
585 printf("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n",
590 memset(&al, 0, sizeof(al));
591 if (end - start > MAXBB - MAXINSN) {
593 printf("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end);
595 printf("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start);
599 thread__find_addr_map(thread, *cpumode, MAP__FUNCTION, start, &al);
600 if (!al.map || !al.map->dso) {
601 printf("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
604 if (al.map->dso->data.status == DSO_DATA_STATUS_ERROR) {
605 printf("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
609 /* Load maps to ensure dso->is_64_bit has been updated */
612 offset = al.map->map_ip(al.map, start);
613 len = dso__data_read_offset(al.map->dso, machine, offset, (u8 *)buffer,
614 end - start + MAXINSN);
616 *is64bit = al.map->dso->is_64_bit;
618 printf("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n",
623 static void print_jump(uint64_t ip, struct branch_entry *en,
624 struct perf_insn *x, u8 *inbuf, int len,
627 printf("\t%016" PRIx64 "\t%-30s\t#%s%s%s%s",
629 dump_insn(x, ip, inbuf, len, NULL),
630 en->flags.predicted ? " PRED" : "",
631 en->flags.mispred ? " MISPRED" : "",
632 en->flags.in_tx ? " INTX" : "",
633 en->flags.abort ? " ABORT" : "");
634 if (en->flags.cycles) {
635 printf(" %d cycles", en->flags.cycles);
637 printf(" %.2f IPC", (float)insn / en->flags.cycles);
642 static void print_ip_sym(struct thread *thread, u8 cpumode, int cpu,
643 uint64_t addr, struct symbol **lastsym,
644 struct perf_event_attr *attr)
646 struct addr_location al;
649 memset(&al, 0, sizeof(al));
651 thread__find_addr_map(thread, cpumode, MAP__FUNCTION, addr, &al);
653 thread__find_addr_map(thread, cpumode, MAP__VARIABLE,
655 if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end)
661 al.sym = map__find_symbol(al.map, al.addr);
666 if (al.addr < al.sym->end)
667 off = al.addr - al.sym->start;
669 off = al.addr - al.map->start - al.sym->start;
670 printf("\t%s", al.sym->name);
674 if (PRINT_FIELD(SRCLINE))
675 map__fprintf_srcline(al.map, al.addr, "\t", stdout);
680 static void print_sample_brstackinsn(struct perf_sample *sample,
681 struct thread *thread,
682 struct perf_event_attr *attr,
683 struct machine *machine)
685 struct branch_stack *br = sample->branch_stack;
687 int i, insn, len, nr, ilen;
691 struct symbol *lastsym = NULL;
696 if (max_blocks && nr > max_blocks + 1)
704 /* Handle first from jump, of which we don't know the entry. */
705 len = grab_bb(buffer, br->entries[nr-1].from,
706 br->entries[nr-1].from,
707 machine, thread, &x.is64bit, &x.cpumode, false);
709 print_ip_sym(thread, x.cpumode, x.cpu,
710 br->entries[nr - 1].from, &lastsym, attr);
711 print_jump(br->entries[nr - 1].from, &br->entries[nr - 1],
715 /* Print all blocks */
716 for (i = nr - 2; i >= 0; i--) {
717 if (br->entries[i].from || br->entries[i].to)
718 pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i,
721 start = br->entries[i + 1].to;
722 end = br->entries[i].from;
724 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
725 /* Patch up missing kernel transfers due to ring filters */
726 if (len == -ENXIO && i > 0) {
727 end = br->entries[--i].from;
728 pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end);
729 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
735 for (off = 0;; off += ilen) {
736 uint64_t ip = start + off;
738 print_ip_sym(thread, x.cpumode, x.cpu, ip, &lastsym, attr);
740 print_jump(ip, &br->entries[i], &x, buffer + off, len - off, insn);
743 printf("\t%016" PRIx64 "\t%s\n", ip,
744 dump_insn(&x, ip, buffer + off, len - off, &ilen));
753 * Hit the branch? In this case we are already done, and the target
754 * has not been executed yet.
756 if (br->entries[0].from == sample->ip)
758 if (br->entries[0].flags.abort)
762 * Print final block upto sample
764 start = br->entries[0].to;
766 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true);
767 print_ip_sym(thread, x.cpumode, x.cpu, start, &lastsym, attr);
769 /* Print at least last IP if basic block did not work */
770 len = grab_bb(buffer, sample->ip, sample->ip,
771 machine, thread, &x.is64bit, &x.cpumode, false);
775 printf("\t%016" PRIx64 "\t%s\n", sample->ip,
776 dump_insn(&x, sample->ip, buffer, len, NULL));
779 for (off = 0; off <= end - start; off += ilen) {
780 printf("\t%016" PRIx64 "\t%s\n", start + off,
781 dump_insn(&x, start + off, buffer + off, len - off, &ilen));
787 static void print_sample_addr(struct perf_sample *sample,
788 struct thread *thread,
789 struct perf_event_attr *attr)
791 struct addr_location al;
793 printf("%16" PRIx64, sample->addr);
795 if (!sample_addr_correlates_sym(attr))
798 thread__resolve(thread, &al, sample);
800 if (PRINT_FIELD(SYM)) {
802 if (PRINT_FIELD(SYMOFFSET))
803 symbol__fprintf_symname_offs(al.sym, &al, stdout);
805 symbol__fprintf_symname(al.sym, stdout);
808 if (PRINT_FIELD(DSO)) {
810 map__fprintf_dsoname(al.map, stdout);
815 static void print_sample_callindent(struct perf_sample *sample,
816 struct perf_evsel *evsel,
817 struct thread *thread,
818 struct addr_location *al)
820 struct perf_event_attr *attr = &evsel->attr;
821 size_t depth = thread_stack__depth(thread);
822 struct addr_location addr_al;
823 const char *name = NULL;
829 * The 'return' has already been popped off the stack so the depth has
830 * to be adjusted to match the 'call'.
832 if (thread->ts && sample->flags & PERF_IP_FLAG_RETURN)
835 if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) {
836 if (sample_addr_correlates_sym(attr)) {
837 thread__resolve(thread, &addr_al, sample);
839 name = addr_al.sym->name;
845 } else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) {
847 name = al->sym->name;
853 len = printf("%*s%s", (int)depth * 4, "", name);
855 len = printf("%*s%16" PRIx64, (int)depth * 4, "", ip);
861 * Try to keep the output length from changing frequently so that the
862 * output lines up more nicely.
864 if (len > spacing || (len && len < spacing - 52))
865 spacing = round_up(len + 4, 32);
868 printf("%*s", spacing - len, "");
871 static void print_insn(struct perf_sample *sample,
872 struct perf_event_attr *attr,
873 struct thread *thread,
874 struct machine *machine)
876 if (PRINT_FIELD(INSNLEN))
877 printf(" ilen: %d", sample->insn_len);
878 if (PRINT_FIELD(INSN)) {
882 for (i = 0; i < sample->insn_len; i++)
883 printf(" %02x", (unsigned char)sample->insn[i]);
885 if (PRINT_FIELD(BRSTACKINSN))
886 print_sample_brstackinsn(sample, thread, attr, machine);
889 static void print_sample_bts(struct perf_sample *sample,
890 struct perf_evsel *evsel,
891 struct thread *thread,
892 struct addr_location *al,
893 struct machine *machine)
895 struct perf_event_attr *attr = &evsel->attr;
896 bool print_srcline_last = false;
898 if (PRINT_FIELD(CALLINDENT))
899 print_sample_callindent(sample, evsel, thread, al);
901 /* print branch_from information */
902 if (PRINT_FIELD(IP)) {
903 unsigned int print_opts = output[attr->type].print_ip_opts;
904 struct callchain_cursor *cursor = NULL;
906 if (symbol_conf.use_callchain && sample->callchain &&
907 thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
908 sample, NULL, NULL, scripting_max_stack) == 0)
909 cursor = &callchain_cursor;
911 if (cursor == NULL) {
913 if (print_opts & EVSEL__PRINT_SRCLINE) {
914 print_srcline_last = true;
915 print_opts &= ~EVSEL__PRINT_SRCLINE;
920 sample__fprintf_sym(sample, al, 0, print_opts, cursor, stdout);
923 /* print branch_to information */
924 if (PRINT_FIELD(ADDR) ||
925 ((evsel->attr.sample_type & PERF_SAMPLE_ADDR) &&
926 !output[attr->type].user_set)) {
928 print_sample_addr(sample, thread, attr);
931 if (print_srcline_last)
932 map__fprintf_srcline(al->map, al->addr, "\n ", stdout);
934 print_insn(sample, attr, thread, machine);
943 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"},
944 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"},
945 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"},
946 {PERF_IP_FLAG_BRANCH, "jmp"},
947 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"},
948 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"},
949 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"},
950 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"},
951 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"},
952 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC | PERF_IP_FLAG_INTERRUPT, "hw int"},
953 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"},
954 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"},
955 {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"},
959 static void print_sample_flags(u32 flags)
961 const char *chars = PERF_IP_FLAG_CHARS;
962 const int n = strlen(PERF_IP_FLAG_CHARS);
963 bool in_tx = flags & PERF_IP_FLAG_IN_TX;
964 const char *name = NULL;
968 for (i = 0; sample_flags[i].name ; i++) {
969 if (sample_flags[i].flags == (flags & ~PERF_IP_FLAG_IN_TX)) {
970 name = sample_flags[i].name;
975 for (i = 0; i < n; i++, flags >>= 1) {
977 str[pos++] = chars[i];
979 for (; i < 32; i++, flags >>= 1) {
986 printf(" %-7s%4s ", name, in_tx ? "(x)" : "");
988 printf(" %-11s ", str);
991 struct printer_data {
998 print_sample_bpf_output_printer(enum binary_printer_ops op,
1002 unsigned char ch = (unsigned char)val;
1003 struct printer_data *printer_data = extra;
1006 case BINARY_PRINT_DATA_BEGIN:
1009 case BINARY_PRINT_LINE_BEGIN:
1010 printf("%17s", !printer_data->line_no ? "BPF output:" :
1013 case BINARY_PRINT_ADDR:
1014 printf(" %04x:", val);
1016 case BINARY_PRINT_NUM_DATA:
1017 printf(" %02x", val);
1019 case BINARY_PRINT_NUM_PAD:
1022 case BINARY_PRINT_SEP:
1025 case BINARY_PRINT_CHAR_DATA:
1026 if (printer_data->hit_nul && ch)
1027 printer_data->is_printable = false;
1032 if (!printer_data->is_printable)
1036 printer_data->hit_nul = true;
1038 printer_data->is_printable = false;
1043 case BINARY_PRINT_CHAR_PAD:
1046 case BINARY_PRINT_LINE_END:
1048 printer_data->line_no++;
1050 case BINARY_PRINT_DATA_END:
1056 static void print_sample_bpf_output(struct perf_sample *sample)
1058 unsigned int nr_bytes = sample->raw_size;
1059 struct printer_data printer_data = {0, false, true};
1061 print_binary(sample->raw_data, nr_bytes, 8,
1062 print_sample_bpf_output_printer, &printer_data);
1064 if (printer_data.is_printable && printer_data.hit_nul)
1065 printf("%17s \"%s\"\n", "BPF string:",
1066 (char *)(sample->raw_data));
1069 struct perf_script {
1070 struct perf_tool tool;
1071 struct perf_session *session;
1072 bool show_task_events;
1073 bool show_mmap_events;
1074 bool show_switch_events;
1075 bool show_namespace_events;
1077 struct cpu_map *cpus;
1078 struct thread_map *threads;
1080 const char *time_str;
1081 struct perf_time_interval ptime;
1084 static int perf_evlist__max_name_len(struct perf_evlist *evlist)
1086 struct perf_evsel *evsel;
1089 evlist__for_each_entry(evlist, evsel) {
1090 int len = strlen(perf_evsel__name(evsel));
1092 max = MAX(len, max);
1098 static size_t data_src__printf(u64 data_src)
1100 struct mem_info mi = { .data_src.val = data_src };
1106 perf_script__meminfo_scnprintf(decode, 100, &mi);
1108 len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode);
1112 return printf("%-*s", maxlen, out);
1115 static void process_event(struct perf_script *script,
1116 struct perf_sample *sample, struct perf_evsel *evsel,
1117 struct addr_location *al,
1118 struct machine *machine)
1120 struct thread *thread = al->thread;
1121 struct perf_event_attr *attr = &evsel->attr;
1123 if (output[attr->type].fields == 0)
1126 print_sample_start(sample, thread, evsel);
1128 if (PRINT_FIELD(PERIOD))
1129 printf("%10" PRIu64 " ", sample->period);
1131 if (PRINT_FIELD(EVNAME)) {
1132 const char *evname = perf_evsel__name(evsel);
1134 if (!script->name_width)
1135 script->name_width = perf_evlist__max_name_len(script->session->evlist);
1137 printf("%*s: ", script->name_width,
1138 evname ? evname : "[unknown]");
1142 print_sample_flags(sample->flags);
1144 if (is_bts_event(attr)) {
1145 print_sample_bts(sample, evsel, thread, al, machine);
1149 if (PRINT_FIELD(TRACE))
1150 event_format__print(evsel->tp_format, sample->cpu,
1151 sample->raw_data, sample->raw_size);
1152 if (PRINT_FIELD(ADDR))
1153 print_sample_addr(sample, thread, attr);
1155 if (PRINT_FIELD(DATA_SRC))
1156 data_src__printf(sample->data_src);
1158 if (PRINT_FIELD(WEIGHT))
1159 printf("%16" PRIu64, sample->weight);
1161 if (PRINT_FIELD(IP)) {
1162 struct callchain_cursor *cursor = NULL;
1164 if (symbol_conf.use_callchain && sample->callchain &&
1165 thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
1166 sample, NULL, NULL, scripting_max_stack) == 0)
1167 cursor = &callchain_cursor;
1169 putchar(cursor ? '\n' : ' ');
1170 sample__fprintf_sym(sample, al, 0, output[attr->type].print_ip_opts, cursor, stdout);
1173 if (PRINT_FIELD(IREGS))
1174 print_sample_iregs(sample, attr);
1176 if (PRINT_FIELD(BRSTACK))
1177 print_sample_brstack(sample);
1178 else if (PRINT_FIELD(BRSTACKSYM))
1179 print_sample_brstacksym(sample, thread);
1181 if (perf_evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT))
1182 print_sample_bpf_output(sample);
1183 print_insn(sample, attr, thread, machine);
1187 static struct scripting_ops *scripting_ops;
1189 static void __process_stat(struct perf_evsel *counter, u64 tstamp)
1191 int nthreads = thread_map__nr(counter->threads);
1192 int ncpus = perf_evsel__nr_cpus(counter);
1194 static int header_printed;
1196 if (counter->system_wide)
1199 if (!header_printed) {
1200 printf("%3s %8s %15s %15s %15s %15s %s\n",
1201 "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT");
1205 for (thread = 0; thread < nthreads; thread++) {
1206 for (cpu = 0; cpu < ncpus; cpu++) {
1207 struct perf_counts_values *counts;
1209 counts = perf_counts(counter->counts, cpu, thread);
1211 printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n",
1212 counter->cpus->map[cpu],
1213 thread_map__pid(counter->threads, thread),
1218 perf_evsel__name(counter));
1223 static void process_stat(struct perf_evsel *counter, u64 tstamp)
1225 if (scripting_ops && scripting_ops->process_stat)
1226 scripting_ops->process_stat(&stat_config, counter, tstamp);
1228 __process_stat(counter, tstamp);
1231 static void process_stat_interval(u64 tstamp)
1233 if (scripting_ops && scripting_ops->process_stat_interval)
1234 scripting_ops->process_stat_interval(tstamp);
1237 static void setup_scripting(void)
1239 setup_perl_scripting();
1240 setup_python_scripting();
1243 static int flush_scripting(void)
1245 return scripting_ops ? scripting_ops->flush_script() : 0;
1248 static int cleanup_scripting(void)
1250 pr_debug("\nperf script stopped\n");
1252 return scripting_ops ? scripting_ops->stop_script() : 0;
1255 static int process_sample_event(struct perf_tool *tool,
1256 union perf_event *event,
1257 struct perf_sample *sample,
1258 struct perf_evsel *evsel,
1259 struct machine *machine)
1261 struct perf_script *scr = container_of(tool, struct perf_script, tool);
1262 struct addr_location al;
1264 if (perf_time__skip_sample(&scr->ptime, sample->time))
1268 if (sample->time < last_timestamp) {
1269 pr_err("Samples misordered, previous: %" PRIu64
1270 " this: %" PRIu64 "\n", last_timestamp,
1274 last_timestamp = sample->time;
1278 if (machine__resolve(machine, &al, sample) < 0) {
1279 pr_err("problem processing %d event, skipping it.\n",
1280 event->header.type);
1287 if (cpu_list && !test_bit(sample->cpu, cpu_bitmap))
1291 scripting_ops->process_event(event, sample, evsel, &al);
1293 process_event(scr, sample, evsel, &al, machine);
1296 addr_location__put(&al);
1300 static int process_attr(struct perf_tool *tool, union perf_event *event,
1301 struct perf_evlist **pevlist)
1303 struct perf_script *scr = container_of(tool, struct perf_script, tool);
1304 struct perf_evlist *evlist;
1305 struct perf_evsel *evsel, *pos;
1308 err = perf_event__process_attr(tool, event, pevlist);
1313 evsel = perf_evlist__last(*pevlist);
1315 if (evsel->attr.type >= PERF_TYPE_MAX)
1318 evlist__for_each_entry(evlist, pos) {
1319 if (pos->attr.type == evsel->attr.type && pos != evsel)
1323 set_print_ip_opts(&evsel->attr);
1325 if (evsel->attr.sample_type)
1326 err = perf_evsel__check_attr(evsel, scr->session);
1331 static int process_comm_event(struct perf_tool *tool,
1332 union perf_event *event,
1333 struct perf_sample *sample,
1334 struct machine *machine)
1336 struct thread *thread;
1337 struct perf_script *script = container_of(tool, struct perf_script, tool);
1338 struct perf_session *session = script->session;
1339 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
1342 thread = machine__findnew_thread(machine, event->comm.pid, event->comm.tid);
1343 if (thread == NULL) {
1344 pr_debug("problem processing COMM event, skipping it.\n");
1348 if (perf_event__process_comm(tool, event, sample, machine) < 0)
1351 if (!evsel->attr.sample_id_all) {
1354 sample->tid = event->comm.tid;
1355 sample->pid = event->comm.pid;
1357 print_sample_start(sample, thread, evsel);
1358 perf_event__fprintf(event, stdout);
1361 thread__put(thread);
1365 static int process_namespaces_event(struct perf_tool *tool,
1366 union perf_event *event,
1367 struct perf_sample *sample,
1368 struct machine *machine)
1370 struct thread *thread;
1371 struct perf_script *script = container_of(tool, struct perf_script, tool);
1372 struct perf_session *session = script->session;
1373 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
1376 thread = machine__findnew_thread(machine, event->namespaces.pid,
1377 event->namespaces.tid);
1378 if (thread == NULL) {
1379 pr_debug("problem processing NAMESPACES event, skipping it.\n");
1383 if (perf_event__process_namespaces(tool, event, sample, machine) < 0)
1386 if (!evsel->attr.sample_id_all) {
1389 sample->tid = event->namespaces.tid;
1390 sample->pid = event->namespaces.pid;
1392 print_sample_start(sample, thread, evsel);
1393 perf_event__fprintf(event, stdout);
1396 thread__put(thread);
1400 static int process_fork_event(struct perf_tool *tool,
1401 union perf_event *event,
1402 struct perf_sample *sample,
1403 struct machine *machine)
1405 struct thread *thread;
1406 struct perf_script *script = container_of(tool, struct perf_script, tool);
1407 struct perf_session *session = script->session;
1408 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
1410 if (perf_event__process_fork(tool, event, sample, machine) < 0)
1413 thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid);
1414 if (thread == NULL) {
1415 pr_debug("problem processing FORK event, skipping it.\n");
1419 if (!evsel->attr.sample_id_all) {
1421 sample->time = event->fork.time;
1422 sample->tid = event->fork.tid;
1423 sample->pid = event->fork.pid;
1425 print_sample_start(sample, thread, evsel);
1426 perf_event__fprintf(event, stdout);
1427 thread__put(thread);
1431 static int process_exit_event(struct perf_tool *tool,
1432 union perf_event *event,
1433 struct perf_sample *sample,
1434 struct machine *machine)
1437 struct thread *thread;
1438 struct perf_script *script = container_of(tool, struct perf_script, tool);
1439 struct perf_session *session = script->session;
1440 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
1442 thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid);
1443 if (thread == NULL) {
1444 pr_debug("problem processing EXIT event, skipping it.\n");
1448 if (!evsel->attr.sample_id_all) {
1451 sample->tid = event->fork.tid;
1452 sample->pid = event->fork.pid;
1454 print_sample_start(sample, thread, evsel);
1455 perf_event__fprintf(event, stdout);
1457 if (perf_event__process_exit(tool, event, sample, machine) < 0)
1460 thread__put(thread);
1464 static int process_mmap_event(struct perf_tool *tool,
1465 union perf_event *event,
1466 struct perf_sample *sample,
1467 struct machine *machine)
1469 struct thread *thread;
1470 struct perf_script *script = container_of(tool, struct perf_script, tool);
1471 struct perf_session *session = script->session;
1472 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
1474 if (perf_event__process_mmap(tool, event, sample, machine) < 0)
1477 thread = machine__findnew_thread(machine, event->mmap.pid, event->mmap.tid);
1478 if (thread == NULL) {
1479 pr_debug("problem processing MMAP event, skipping it.\n");
1483 if (!evsel->attr.sample_id_all) {
1486 sample->tid = event->mmap.tid;
1487 sample->pid = event->mmap.pid;
1489 print_sample_start(sample, thread, evsel);
1490 perf_event__fprintf(event, stdout);
1491 thread__put(thread);
1495 static int process_mmap2_event(struct perf_tool *tool,
1496 union perf_event *event,
1497 struct perf_sample *sample,
1498 struct machine *machine)
1500 struct thread *thread;
1501 struct perf_script *script = container_of(tool, struct perf_script, tool);
1502 struct perf_session *session = script->session;
1503 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
1505 if (perf_event__process_mmap2(tool, event, sample, machine) < 0)
1508 thread = machine__findnew_thread(machine, event->mmap2.pid, event->mmap2.tid);
1509 if (thread == NULL) {
1510 pr_debug("problem processing MMAP2 event, skipping it.\n");
1514 if (!evsel->attr.sample_id_all) {
1517 sample->tid = event->mmap2.tid;
1518 sample->pid = event->mmap2.pid;
1520 print_sample_start(sample, thread, evsel);
1521 perf_event__fprintf(event, stdout);
1522 thread__put(thread);
1526 static int process_switch_event(struct perf_tool *tool,
1527 union perf_event *event,
1528 struct perf_sample *sample,
1529 struct machine *machine)
1531 struct thread *thread;
1532 struct perf_script *script = container_of(tool, struct perf_script, tool);
1533 struct perf_session *session = script->session;
1534 struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
1536 if (perf_event__process_switch(tool, event, sample, machine) < 0)
1539 thread = machine__findnew_thread(machine, sample->pid,
1541 if (thread == NULL) {
1542 pr_debug("problem processing SWITCH event, skipping it.\n");
1546 print_sample_start(sample, thread, evsel);
1547 perf_event__fprintf(event, stdout);
1548 thread__put(thread);
1552 static void sig_handler(int sig __maybe_unused)
1557 static int __cmd_script(struct perf_script *script)
1561 signal(SIGINT, sig_handler);
1563 /* override event processing functions */
1564 if (script->show_task_events) {
1565 script->tool.comm = process_comm_event;
1566 script->tool.fork = process_fork_event;
1567 script->tool.exit = process_exit_event;
1569 if (script->show_mmap_events) {
1570 script->tool.mmap = process_mmap_event;
1571 script->tool.mmap2 = process_mmap2_event;
1573 if (script->show_switch_events)
1574 script->tool.context_switch = process_switch_event;
1575 if (script->show_namespace_events)
1576 script->tool.namespaces = process_namespaces_event;
1578 ret = perf_session__process_events(script->session);
1581 pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered);
1586 struct script_spec {
1587 struct list_head node;
1588 struct scripting_ops *ops;
1592 static LIST_HEAD(script_specs);
1594 static struct script_spec *script_spec__new(const char *spec,
1595 struct scripting_ops *ops)
1597 struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1);
1600 strcpy(s->spec, spec);
1607 static void script_spec__add(struct script_spec *s)
1609 list_add_tail(&s->node, &script_specs);
1612 static struct script_spec *script_spec__find(const char *spec)
1614 struct script_spec *s;
1616 list_for_each_entry(s, &script_specs, node)
1617 if (strcasecmp(s->spec, spec) == 0)
1622 int script_spec_register(const char *spec, struct scripting_ops *ops)
1624 struct script_spec *s;
1626 s = script_spec__find(spec);
1630 s = script_spec__new(spec, ops);
1634 script_spec__add(s);
1639 static struct scripting_ops *script_spec__lookup(const char *spec)
1641 struct script_spec *s = script_spec__find(spec);
1648 static void list_available_languages(void)
1650 struct script_spec *s;
1652 fprintf(stderr, "\n");
1653 fprintf(stderr, "Scripting language extensions (used in "
1654 "perf script -s [spec:]script.[spec]):\n\n");
1656 list_for_each_entry(s, &script_specs, node)
1657 fprintf(stderr, " %-42s [%s]\n", s->spec, s->ops->name);
1659 fprintf(stderr, "\n");
1662 static int parse_scriptname(const struct option *opt __maybe_unused,
1663 const char *str, int unset __maybe_unused)
1665 char spec[PATH_MAX];
1666 const char *script, *ext;
1669 if (strcmp(str, "lang") == 0) {
1670 list_available_languages();
1674 script = strchr(str, ':');
1677 if (len >= PATH_MAX) {
1678 fprintf(stderr, "invalid language specifier");
1681 strncpy(spec, str, len);
1683 scripting_ops = script_spec__lookup(spec);
1684 if (!scripting_ops) {
1685 fprintf(stderr, "invalid language specifier");
1691 ext = strrchr(script, '.');
1693 fprintf(stderr, "invalid script extension");
1696 scripting_ops = script_spec__lookup(++ext);
1697 if (!scripting_ops) {
1698 fprintf(stderr, "invalid script extension");
1703 script_name = strdup(script);
1708 static int parse_output_fields(const struct option *opt __maybe_unused,
1709 const char *arg, int unset __maybe_unused)
1712 int i, imax = ARRAY_SIZE(all_output_options);
1715 char *str = strdup(arg);
1721 /* first word can state for which event type the user is specifying
1722 * the fields. If no type exists, the specified fields apply to all
1723 * event types found in the file minus the invalid fields for a type.
1725 tok = strchr(str, ':');
1729 if (!strcmp(str, "hw"))
1730 type = PERF_TYPE_HARDWARE;
1731 else if (!strcmp(str, "sw"))
1732 type = PERF_TYPE_SOFTWARE;
1733 else if (!strcmp(str, "trace"))
1734 type = PERF_TYPE_TRACEPOINT;
1735 else if (!strcmp(str, "raw"))
1736 type = PERF_TYPE_RAW;
1737 else if (!strcmp(str, "break"))
1738 type = PERF_TYPE_BREAKPOINT;
1740 fprintf(stderr, "Invalid event type in field string.\n");
1745 if (output[type].user_set)
1746 pr_warning("Overriding previous field request for %s events.\n",
1749 output[type].fields = 0;
1750 output[type].user_set = true;
1751 output[type].wildcard_set = false;
1755 if (strlen(str) == 0) {
1757 "Cannot set fields to 'none' for all event types.\n");
1762 if (output_set_by_user())
1763 pr_warning("Overriding previous field request for all events.\n");
1765 for (j = 0; j < PERF_TYPE_MAX; ++j) {
1766 output[j].fields = 0;
1767 output[j].user_set = true;
1768 output[j].wildcard_set = true;
1772 for (tok = strtok(tok, ","); tok; tok = strtok(NULL, ",")) {
1773 for (i = 0; i < imax; ++i) {
1774 if (strcmp(tok, all_output_options[i].str) == 0)
1777 if (i == imax && strcmp(tok, "flags") == 0) {
1782 fprintf(stderr, "Invalid field requested.\n");
1788 /* add user option to all events types for
1791 for (j = 0; j < PERF_TYPE_MAX; ++j) {
1792 if (output[j].invalid_fields & all_output_options[i].field) {
1793 pr_warning("\'%s\' not valid for %s events. Ignoring.\n",
1794 all_output_options[i].str, event_type(j));
1796 output[j].fields |= all_output_options[i].field;
1799 if (output[type].invalid_fields & all_output_options[i].field) {
1800 fprintf(stderr, "\'%s\' not valid for %s events.\n",
1801 all_output_options[i].str, event_type(type));
1806 output[type].fields |= all_output_options[i].field;
1811 if (output[type].fields == 0) {
1812 pr_debug("No fields requested for %s type. "
1813 "Events will not be displayed.\n", event_type(type));
1822 /* Helper function for filesystems that return a dent->d_type DT_UNKNOWN */
1823 static int is_directory(const char *base_path, const struct dirent *dent)
1825 char path[PATH_MAX];
1828 sprintf(path, "%s/%s", base_path, dent->d_name);
1829 if (stat(path, &st))
1832 return S_ISDIR(st.st_mode);
1835 #define for_each_lang(scripts_path, scripts_dir, lang_dirent) \
1836 while ((lang_dirent = readdir(scripts_dir)) != NULL) \
1837 if ((lang_dirent->d_type == DT_DIR || \
1838 (lang_dirent->d_type == DT_UNKNOWN && \
1839 is_directory(scripts_path, lang_dirent))) && \
1840 (strcmp(lang_dirent->d_name, ".")) && \
1841 (strcmp(lang_dirent->d_name, "..")))
1843 #define for_each_script(lang_path, lang_dir, script_dirent) \
1844 while ((script_dirent = readdir(lang_dir)) != NULL) \
1845 if (script_dirent->d_type != DT_DIR && \
1846 (script_dirent->d_type != DT_UNKNOWN || \
1847 !is_directory(lang_path, script_dirent)))
1850 #define RECORD_SUFFIX "-record"
1851 #define REPORT_SUFFIX "-report"
1853 struct script_desc {
1854 struct list_head node;
1860 static LIST_HEAD(script_descs);
1862 static struct script_desc *script_desc__new(const char *name)
1864 struct script_desc *s = zalloc(sizeof(*s));
1866 if (s != NULL && name)
1867 s->name = strdup(name);
1872 static void script_desc__delete(struct script_desc *s)
1875 zfree(&s->half_liner);
1880 static void script_desc__add(struct script_desc *s)
1882 list_add_tail(&s->node, &script_descs);
1885 static struct script_desc *script_desc__find(const char *name)
1887 struct script_desc *s;
1889 list_for_each_entry(s, &script_descs, node)
1890 if (strcasecmp(s->name, name) == 0)
1895 static struct script_desc *script_desc__findnew(const char *name)
1897 struct script_desc *s = script_desc__find(name);
1902 s = script_desc__new(name);
1904 goto out_delete_desc;
1906 script_desc__add(s);
1911 script_desc__delete(s);
1916 static const char *ends_with(const char *str, const char *suffix)
1918 size_t suffix_len = strlen(suffix);
1919 const char *p = str;
1921 if (strlen(str) > suffix_len) {
1922 p = str + strlen(str) - suffix_len;
1923 if (!strncmp(p, suffix, suffix_len))
1930 static int read_script_info(struct script_desc *desc, const char *filename)
1932 char line[BUFSIZ], *p;
1935 fp = fopen(filename, "r");
1939 while (fgets(line, sizeof(line), fp)) {
1946 if (strlen(p) && *p == '!')
1950 if (strlen(p) && p[strlen(p) - 1] == '\n')
1951 p[strlen(p) - 1] = '\0';
1953 if (!strncmp(p, "description:", strlen("description:"))) {
1954 p += strlen("description:");
1955 desc->half_liner = strdup(ltrim(p));
1959 if (!strncmp(p, "args:", strlen("args:"))) {
1960 p += strlen("args:");
1961 desc->args = strdup(ltrim(p));
1971 static char *get_script_root(struct dirent *script_dirent, const char *suffix)
1973 char *script_root, *str;
1975 script_root = strdup(script_dirent->d_name);
1979 str = (char *)ends_with(script_root, suffix);
1989 static int list_available_scripts(const struct option *opt __maybe_unused,
1990 const char *s __maybe_unused,
1991 int unset __maybe_unused)
1993 struct dirent *script_dirent, *lang_dirent;
1994 char scripts_path[MAXPATHLEN];
1995 DIR *scripts_dir, *lang_dir;
1996 char script_path[MAXPATHLEN];
1997 char lang_path[MAXPATHLEN];
1998 struct script_desc *desc;
1999 char first_half[BUFSIZ];
2002 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
2004 scripts_dir = opendir(scripts_path);
2007 "open(%s) failed.\n"
2008 "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n",
2013 for_each_lang(scripts_path, scripts_dir, lang_dirent) {
2014 snprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
2015 lang_dirent->d_name);
2016 lang_dir = opendir(lang_path);
2020 for_each_script(lang_path, lang_dir, script_dirent) {
2021 script_root = get_script_root(script_dirent, REPORT_SUFFIX);
2023 desc = script_desc__findnew(script_root);
2024 snprintf(script_path, MAXPATHLEN, "%s/%s",
2025 lang_path, script_dirent->d_name);
2026 read_script_info(desc, script_path);
2032 fprintf(stdout, "List of available trace scripts:\n");
2033 list_for_each_entry(desc, &script_descs, node) {
2034 sprintf(first_half, "%s %s", desc->name,
2035 desc->args ? desc->args : "");
2036 fprintf(stdout, " %-36s %s\n", first_half,
2037 desc->half_liner ? desc->half_liner : "");
2044 * Some scripts specify the required events in their "xxx-record" file,
2045 * this function will check if the events in perf.data match those
2046 * mentioned in the "xxx-record".
2048 * Fixme: All existing "xxx-record" are all in good formats "-e event ",
2049 * which is covered well now. And new parsing code should be added to
2050 * cover the future complexing formats like event groups etc.
2052 static int check_ev_match(char *dir_name, char *scriptname,
2053 struct perf_session *session)
2055 char filename[MAXPATHLEN], evname[128];
2056 char line[BUFSIZ], *p;
2057 struct perf_evsel *pos;
2061 sprintf(filename, "%s/bin/%s-record", dir_name, scriptname);
2063 fp = fopen(filename, "r");
2067 while (fgets(line, sizeof(line), fp)) {
2073 p = strstr(p, "-e");
2079 len = strcspn(p, " \t");
2083 snprintf(evname, len + 1, "%s", p);
2086 evlist__for_each_entry(session->evlist, pos) {
2087 if (!strcmp(perf_evsel__name(pos), evname)) {
2105 * Return -1 if none is found, otherwise the actual scripts number.
2107 * Currently the only user of this function is the script browser, which
2108 * will list all statically runnable scripts, select one, execute it and
2109 * show the output in a perf browser.
2111 int find_scripts(char **scripts_array, char **scripts_path_array)
2113 struct dirent *script_dirent, *lang_dirent;
2114 char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN];
2115 DIR *scripts_dir, *lang_dir;
2116 struct perf_session *session;
2117 struct perf_data_file file = {
2119 .mode = PERF_DATA_MODE_READ,
2124 session = perf_session__new(&file, false, NULL);
2128 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
2130 scripts_dir = opendir(scripts_path);
2132 perf_session__delete(session);
2136 for_each_lang(scripts_path, scripts_dir, lang_dirent) {
2137 snprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path,
2138 lang_dirent->d_name);
2140 if (strstr(lang_path, "perl"))
2144 if (strstr(lang_path, "python"))
2148 lang_dir = opendir(lang_path);
2152 for_each_script(lang_path, lang_dir, script_dirent) {
2153 /* Skip those real time scripts: xxxtop.p[yl] */
2154 if (strstr(script_dirent->d_name, "top."))
2156 sprintf(scripts_path_array[i], "%s/%s", lang_path,
2157 script_dirent->d_name);
2158 temp = strchr(script_dirent->d_name, '.');
2159 snprintf(scripts_array[i],
2160 (temp - script_dirent->d_name) + 1,
2161 "%s", script_dirent->d_name);
2163 if (check_ev_match(lang_path,
2164 scripts_array[i], session))
2172 closedir(scripts_dir);
2173 perf_session__delete(session);
2177 static char *get_script_path(const char *script_root, const char *suffix)
2179 struct dirent *script_dirent, *lang_dirent;
2180 char scripts_path[MAXPATHLEN];
2181 char script_path[MAXPATHLEN];
2182 DIR *scripts_dir, *lang_dir;
2183 char lang_path[MAXPATHLEN];
2184 char *__script_root;
2186 snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
2188 scripts_dir = opendir(scripts_path);
2192 for_each_lang(scripts_path, scripts_dir, lang_dirent) {
2193 snprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
2194 lang_dirent->d_name);
2195 lang_dir = opendir(lang_path);
2199 for_each_script(lang_path, lang_dir, script_dirent) {
2200 __script_root = get_script_root(script_dirent, suffix);
2201 if (__script_root && !strcmp(script_root, __script_root)) {
2202 free(__script_root);
2204 closedir(scripts_dir);
2205 snprintf(script_path, MAXPATHLEN, "%s/%s",
2206 lang_path, script_dirent->d_name);
2207 return strdup(script_path);
2209 free(__script_root);
2213 closedir(scripts_dir);
2218 static bool is_top_script(const char *script_path)
2220 return ends_with(script_path, "top") == NULL ? false : true;
2223 static int has_required_arg(char *script_path)
2225 struct script_desc *desc;
2229 desc = script_desc__new(NULL);
2231 if (read_script_info(desc, script_path))
2237 for (p = desc->args; *p; p++)
2241 script_desc__delete(desc);
2246 static int have_cmd(int argc, const char **argv)
2248 char **__argv = malloc(sizeof(const char *) * argc);
2251 pr_err("malloc failed\n");
2255 memcpy(__argv, argv, sizeof(const char *) * argc);
2256 argc = parse_options(argc, (const char **)__argv, record_options,
2257 NULL, PARSE_OPT_STOP_AT_NON_OPTION);
2260 system_wide = (argc == 0);
2265 static void script__setup_sample_type(struct perf_script *script)
2267 struct perf_session *session = script->session;
2268 u64 sample_type = perf_evlist__combined_sample_type(session->evlist);
2270 if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) {
2271 if ((sample_type & PERF_SAMPLE_REGS_USER) &&
2272 (sample_type & PERF_SAMPLE_STACK_USER))
2273 callchain_param.record_mode = CALLCHAIN_DWARF;
2274 else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
2275 callchain_param.record_mode = CALLCHAIN_LBR;
2277 callchain_param.record_mode = CALLCHAIN_FP;
2281 static int process_stat_round_event(struct perf_tool *tool __maybe_unused,
2282 union perf_event *event,
2283 struct perf_session *session)
2285 struct stat_round_event *round = &event->stat_round;
2286 struct perf_evsel *counter;
2288 evlist__for_each_entry(session->evlist, counter) {
2289 perf_stat_process_counter(&stat_config, counter);
2290 process_stat(counter, round->time);
2293 process_stat_interval(round->time);
2297 static int process_stat_config_event(struct perf_tool *tool __maybe_unused,
2298 union perf_event *event,
2299 struct perf_session *session __maybe_unused)
2301 perf_event__read_stat_config(&stat_config, &event->stat_config);
2305 static int set_maps(struct perf_script *script)
2307 struct perf_evlist *evlist = script->session->evlist;
2309 if (!script->cpus || !script->threads)
2312 if (WARN_ONCE(script->allocated, "stats double allocation\n"))
2315 perf_evlist__set_maps(evlist, script->cpus, script->threads);
2317 if (perf_evlist__alloc_stats(evlist, true))
2320 script->allocated = true;
2325 int process_thread_map_event(struct perf_tool *tool,
2326 union perf_event *event,
2327 struct perf_session *session __maybe_unused)
2329 struct perf_script *script = container_of(tool, struct perf_script, tool);
2331 if (script->threads) {
2332 pr_warning("Extra thread map event, ignoring.\n");
2336 script->threads = thread_map__new_event(&event->thread_map);
2337 if (!script->threads)
2340 return set_maps(script);
2344 int process_cpu_map_event(struct perf_tool *tool __maybe_unused,
2345 union perf_event *event,
2346 struct perf_session *session __maybe_unused)
2348 struct perf_script *script = container_of(tool, struct perf_script, tool);
2351 pr_warning("Extra cpu map event, ignoring.\n");
2355 script->cpus = cpu_map__new_data(&event->cpu_map.data);
2359 return set_maps(script);
2362 int cmd_script(int argc, const char **argv)
2364 bool show_full_info = false;
2365 bool header = false;
2366 bool header_only = false;
2367 bool script_started = false;
2368 char *rec_script_path = NULL;
2369 char *rep_script_path = NULL;
2370 struct perf_session *session;
2371 struct itrace_synth_opts itrace_synth_opts = { .set = false, };
2372 char *script_path = NULL;
2373 const char **__argv;
2375 struct perf_script script = {
2377 .sample = process_sample_event,
2378 .mmap = perf_event__process_mmap,
2379 .mmap2 = perf_event__process_mmap2,
2380 .comm = perf_event__process_comm,
2381 .namespaces = perf_event__process_namespaces,
2382 .exit = perf_event__process_exit,
2383 .fork = perf_event__process_fork,
2384 .attr = process_attr,
2385 .event_update = perf_event__process_event_update,
2386 .tracing_data = perf_event__process_tracing_data,
2387 .build_id = perf_event__process_build_id,
2388 .id_index = perf_event__process_id_index,
2389 .auxtrace_info = perf_event__process_auxtrace_info,
2390 .auxtrace = perf_event__process_auxtrace,
2391 .auxtrace_error = perf_event__process_auxtrace_error,
2392 .stat = perf_event__process_stat_event,
2393 .stat_round = process_stat_round_event,
2394 .stat_config = process_stat_config_event,
2395 .thread_map = process_thread_map_event,
2396 .cpu_map = process_cpu_map_event,
2397 .ordered_events = true,
2398 .ordering_requires_timestamps = true,
2401 struct perf_data_file file = {
2402 .mode = PERF_DATA_MODE_READ,
2404 const struct option options[] = {
2405 OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
2406 "dump raw trace in ASCII"),
2407 OPT_INCR('v', "verbose", &verbose,
2408 "be more verbose (show symbol address, etc)"),
2409 OPT_BOOLEAN('L', "Latency", &latency_format,
2410 "show latency attributes (irqs/preemption disabled, etc)"),
2411 OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts",
2412 list_available_scripts),
2413 OPT_CALLBACK('s', "script", NULL, "name",
2414 "script file name (lang:script name, script name, or *)",
2416 OPT_STRING('g', "gen-script", &generate_script_lang, "lang",
2417 "generate perf-script.xx script in specified language"),
2418 OPT_STRING('i', "input", &input_name, "file", "input file name"),
2419 OPT_BOOLEAN('d', "debug-mode", &debug_mode,
2420 "do various checks like samples ordering and lost events"),
2421 OPT_BOOLEAN(0, "header", &header, "Show data header."),
2422 OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."),
2423 OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
2424 "file", "vmlinux pathname"),
2425 OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
2426 "file", "kallsyms pathname"),
2427 OPT_BOOLEAN('G', "hide-call-graph", &no_callchain,
2428 "When printing symbols do not display call chain"),
2429 OPT_CALLBACK(0, "symfs", NULL, "directory",
2430 "Look for files with symbols relative to this directory",
2431 symbol__config_symfs),
2432 OPT_CALLBACK('F', "fields", NULL, "str",
2433 "comma separated output fields prepend with 'type:'. "
2434 "Valid types: hw,sw,trace,raw. "
2435 "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,"
2436 "addr,symoff,period,iregs,brstack,brstacksym,flags,"
2437 "bpf-output,callindent,insn,insnlen,brstackinsn",
2438 parse_output_fields),
2439 OPT_BOOLEAN('a', "all-cpus", &system_wide,
2440 "system-wide collection from all CPUs"),
2441 OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
2442 "only consider these symbols"),
2443 OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]",
2444 "Stop display of callgraph at these symbols"),
2445 OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
2446 OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
2447 "only display events for these comms"),
2448 OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]",
2449 "only consider symbols in these pids"),
2450 OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
2451 "only consider symbols in these tids"),
2452 OPT_UINTEGER(0, "max-stack", &scripting_max_stack,
2453 "Set the maximum stack depth when parsing the callchain, "
2454 "anything beyond the specified depth will be ignored. "
2455 "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)),
2456 OPT_BOOLEAN('I', "show-info", &show_full_info,
2457 "display extended information from perf.data file"),
2458 OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path,
2459 "Show the path of [kernel.kallsyms]"),
2460 OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events,
2461 "Show the fork/comm/exit events"),
2462 OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events,
2463 "Show the mmap events"),
2464 OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events,
2465 "Show context switch events (if recorded)"),
2466 OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events,
2467 "Show namespace events (if recorded)"),
2468 OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
2469 OPT_INTEGER(0, "max-blocks", &max_blocks,
2470 "Maximum number of code blocks to dump with brstackinsn"),
2471 OPT_BOOLEAN(0, "ns", &nanosecs,
2472 "Use 9 decimal places when displaying time"),
2473 OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
2474 "Instruction Tracing options",
2475 itrace_parse_synth_opts),
2476 OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
2477 "Show full source file name path for source lines"),
2478 OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
2479 "Enable symbol demangling"),
2480 OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
2481 "Enable kernel symbol demangling"),
2482 OPT_STRING(0, "time", &script.time_str, "str",
2483 "Time span of interest (start,stop)"),
2486 const char * const script_subcommands[] = { "record", "report", NULL };
2487 const char *script_usage[] = {
2488 "perf script [<options>]",
2489 "perf script [<options>] record <script> [<record-options>] <command>",
2490 "perf script [<options>] report <script> [script-args]",
2491 "perf script [<options>] <script> [<record-options>] <command>",
2492 "perf script [<options>] <top-script> [script-args]",
2498 argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage,
2499 PARSE_OPT_STOP_AT_NON_OPTION);
2501 file.path = input_name;
2502 file.force = symbol_conf.force;
2504 if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) {
2505 rec_script_path = get_script_path(argv[1], RECORD_SUFFIX);
2506 if (!rec_script_path)
2507 return cmd_record(argc, argv);
2510 if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) {
2511 rep_script_path = get_script_path(argv[1], REPORT_SUFFIX);
2512 if (!rep_script_path) {
2514 "Please specify a valid report script"
2515 "(see 'perf script -l' for listing)\n");
2520 if (itrace_synth_opts.callchain &&
2521 itrace_synth_opts.callchain_sz > scripting_max_stack)
2522 scripting_max_stack = itrace_synth_opts.callchain_sz;
2524 /* make sure PERF_EXEC_PATH is set for scripts */
2525 set_argv_exec_path(get_argv_exec_path());
2527 if (argc && !script_name && !rec_script_path && !rep_script_path) {
2532 rec_script_path = get_script_path(argv[0], RECORD_SUFFIX);
2533 rep_script_path = get_script_path(argv[0], REPORT_SUFFIX);
2535 if (!rec_script_path && !rep_script_path) {
2536 usage_with_options_msg(script_usage, options,
2537 "Couldn't find script `%s'\n\n See perf"
2538 " script -l for available scripts.\n", argv[0]);
2541 if (is_top_script(argv[0])) {
2542 rep_args = argc - 1;
2546 rep_args = has_required_arg(rep_script_path);
2547 rec_args = (argc - 1) - rep_args;
2549 usage_with_options_msg(script_usage, options,
2550 "`%s' script requires options."
2551 "\n\n See perf script -l for available "
2552 "scripts and options.\n", argv[0]);
2556 if (pipe(live_pipe) < 0) {
2557 perror("failed to create pipe");
2563 perror("failed to fork");
2570 dup2(live_pipe[1], 1);
2571 close(live_pipe[0]);
2573 if (is_top_script(argv[0])) {
2575 } else if (!system_wide) {
2576 if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) {
2582 __argv = malloc((argc + 6) * sizeof(const char *));
2584 pr_err("malloc failed\n");
2589 __argv[j++] = "/bin/sh";
2590 __argv[j++] = rec_script_path;
2596 for (i = rep_args + 1; i < argc; i++)
2597 __argv[j++] = argv[i];
2600 execvp("/bin/sh", (char **)__argv);
2605 dup2(live_pipe[0], 0);
2606 close(live_pipe[1]);
2608 __argv = malloc((argc + 4) * sizeof(const char *));
2610 pr_err("malloc failed\n");
2616 __argv[j++] = "/bin/sh";
2617 __argv[j++] = rep_script_path;
2618 for (i = 1; i < rep_args + 1; i++)
2619 __argv[j++] = argv[i];
2624 execvp("/bin/sh", (char **)__argv);
2629 if (rec_script_path)
2630 script_path = rec_script_path;
2631 if (rep_script_path)
2632 script_path = rep_script_path;
2637 if (!rec_script_path)
2638 system_wide = false;
2639 else if (!system_wide) {
2640 if (have_cmd(argc - 1, &argv[1]) != 0) {
2646 __argv = malloc((argc + 2) * sizeof(const char *));
2648 pr_err("malloc failed\n");
2653 __argv[j++] = "/bin/sh";
2654 __argv[j++] = script_path;
2657 for (i = 2; i < argc; i++)
2658 __argv[j++] = argv[i];
2661 execvp("/bin/sh", (char **)__argv);
2669 session = perf_session__new(&file, false, &script.tool);
2670 if (session == NULL)
2673 if (header || header_only) {
2674 perf_session__fprintf_info(session, stdout, show_full_info);
2679 if (symbol__init(&session->header.env) < 0)
2682 script.session = session;
2683 script__setup_sample_type(&script);
2685 if (output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT)
2686 itrace_synth_opts.thread_stack = true;
2688 session->itrace_synth_opts = &itrace_synth_opts;
2691 err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap);
2697 symbol_conf.use_callchain = true;
2699 symbol_conf.use_callchain = false;
2701 if (session->tevent.pevent &&
2702 pevent_set_function_resolver(session->tevent.pevent,
2703 machine__resolve_kernel_addr,
2704 &session->machines.host) < 0) {
2705 pr_err("%s: failed to set libtraceevent function resolver\n", __func__);
2709 if (generate_script_lang) {
2710 struct stat perf_stat;
2713 if (output_set_by_user()) {
2715 "custom fields not supported for generated scripts");
2720 input = open(file.path, O_RDONLY); /* input_name */
2723 perror("failed to open file");
2727 err = fstat(input, &perf_stat);
2729 perror("failed to stat file");
2733 if (!perf_stat.st_size) {
2734 fprintf(stderr, "zero-sized file, nothing to do!\n");
2738 scripting_ops = script_spec__lookup(generate_script_lang);
2739 if (!scripting_ops) {
2740 fprintf(stderr, "invalid language specifier");
2745 err = scripting_ops->generate_script(session->tevent.pevent,
2751 err = scripting_ops->start_script(script_name, argc, argv);
2754 pr_debug("perf script started with script %s\n\n", script_name);
2755 script_started = true;
2759 err = perf_session__check_output_opt(session);
2763 /* needs to be parsed after looking up reference time */
2764 if (perf_time__parse_str(&script.ptime, script.time_str) != 0) {
2765 pr_err("Invalid time string\n");
2769 err = __cmd_script(&script);
2774 perf_evlist__free_stats(session->evlist);
2775 perf_session__delete(session);
2778 cleanup_scripting();