| #include "builtin.h" |
| |
| #include "perf.h" |
| #include "util/cache.h" |
| #include "util/debug.h" |
| #include <subcmd/exec-cmd.h> |
| #include "util/header.h" |
| #include <subcmd/parse-options.h> |
| #include "util/perf_regs.h" |
| #include "util/session.h" |
| #include "util/tool.h" |
| #include "util/symbol.h" |
| #include "util/thread.h" |
| #include "util/trace-event.h" |
| #include "util/util.h" |
| #include "util/evlist.h" |
| #include "util/evsel.h" |
| #include "util/sort.h" |
| #include "util/data.h" |
| #include "util/auxtrace.h" |
| #include "util/cpumap.h" |
| #include "util/thread_map.h" |
| #include "util/stat.h" |
| #include "util/thread-stack.h" |
| #include <linux/bitmap.h> |
| #include <linux/stringify.h> |
| #include <linux/time64.h> |
| #include "asm/bug.h" |
| #include "util/mem-events.h" |
| |
| static char const *script_name; |
| static char const *generate_script_lang; |
| static bool debug_mode; |
| static u64 last_timestamp; |
| static u64 nr_unordered; |
| static bool no_callchain; |
| static bool latency_format; |
| static bool system_wide; |
| static bool print_flags; |
| static bool nanosecs; |
| static const char *cpu_list; |
| static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); |
| static struct perf_stat_config stat_config; |
| |
| unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH; |
| |
| enum perf_output_field { |
| PERF_OUTPUT_COMM = 1U << 0, |
| PERF_OUTPUT_TID = 1U << 1, |
| PERF_OUTPUT_PID = 1U << 2, |
| PERF_OUTPUT_TIME = 1U << 3, |
| PERF_OUTPUT_CPU = 1U << 4, |
| PERF_OUTPUT_EVNAME = 1U << 5, |
| PERF_OUTPUT_TRACE = 1U << 6, |
| PERF_OUTPUT_IP = 1U << 7, |
| PERF_OUTPUT_SYM = 1U << 8, |
| PERF_OUTPUT_DSO = 1U << 9, |
| PERF_OUTPUT_ADDR = 1U << 10, |
| PERF_OUTPUT_SYMOFFSET = 1U << 11, |
| PERF_OUTPUT_SRCLINE = 1U << 12, |
| PERF_OUTPUT_PERIOD = 1U << 13, |
| PERF_OUTPUT_IREGS = 1U << 14, |
| PERF_OUTPUT_BRSTACK = 1U << 15, |
| PERF_OUTPUT_BRSTACKSYM = 1U << 16, |
| PERF_OUTPUT_DATA_SRC = 1U << 17, |
| PERF_OUTPUT_WEIGHT = 1U << 18, |
| PERF_OUTPUT_BPF_OUTPUT = 1U << 19, |
| PERF_OUTPUT_CALLINDENT = 1U << 20, |
| }; |
| |
| struct output_option { |
| const char *str; |
| enum perf_output_field field; |
| } all_output_options[] = { |
| {.str = "comm", .field = PERF_OUTPUT_COMM}, |
| {.str = "tid", .field = PERF_OUTPUT_TID}, |
| {.str = "pid", .field = PERF_OUTPUT_PID}, |
| {.str = "time", .field = PERF_OUTPUT_TIME}, |
| {.str = "cpu", .field = PERF_OUTPUT_CPU}, |
| {.str = "event", .field = PERF_OUTPUT_EVNAME}, |
| {.str = "trace", .field = PERF_OUTPUT_TRACE}, |
| {.str = "ip", .field = PERF_OUTPUT_IP}, |
| {.str = "sym", .field = PERF_OUTPUT_SYM}, |
| {.str = "dso", .field = PERF_OUTPUT_DSO}, |
| {.str = "addr", .field = PERF_OUTPUT_ADDR}, |
| {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET}, |
| {.str = "srcline", .field = PERF_OUTPUT_SRCLINE}, |
| {.str = "period", .field = PERF_OUTPUT_PERIOD}, |
| {.str = "iregs", .field = PERF_OUTPUT_IREGS}, |
| {.str = "brstack", .field = PERF_OUTPUT_BRSTACK}, |
| {.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM}, |
| {.str = "data_src", .field = PERF_OUTPUT_DATA_SRC}, |
| {.str = "weight", .field = PERF_OUTPUT_WEIGHT}, |
| {.str = "bpf-output", .field = PERF_OUTPUT_BPF_OUTPUT}, |
| {.str = "callindent", .field = PERF_OUTPUT_CALLINDENT}, |
| }; |
| |
| /* default set to maintain compatibility with current format */ |
| static struct { |
| bool user_set; |
| bool wildcard_set; |
| unsigned int print_ip_opts; |
| u64 fields; |
| u64 invalid_fields; |
| } output[PERF_TYPE_MAX] = { |
| |
| [PERF_TYPE_HARDWARE] = { |
| .user_set = false, |
| |
| .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | |
| PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | |
| PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | |
| PERF_OUTPUT_SYM | PERF_OUTPUT_DSO | |
| PERF_OUTPUT_PERIOD, |
| |
| .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, |
| }, |
| |
| [PERF_TYPE_SOFTWARE] = { |
| .user_set = false, |
| |
| .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | |
| PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | |
| PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | |
| PERF_OUTPUT_SYM | PERF_OUTPUT_DSO | |
| PERF_OUTPUT_PERIOD | PERF_OUTPUT_BPF_OUTPUT, |
| |
| .invalid_fields = PERF_OUTPUT_TRACE, |
| }, |
| |
| [PERF_TYPE_TRACEPOINT] = { |
| .user_set = false, |
| |
| .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | |
| PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | |
| PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE |
| }, |
| |
| [PERF_TYPE_RAW] = { |
| .user_set = false, |
| |
| .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | |
| PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | |
| PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | |
| PERF_OUTPUT_SYM | PERF_OUTPUT_DSO | |
| PERF_OUTPUT_PERIOD | PERF_OUTPUT_ADDR | |
| PERF_OUTPUT_DATA_SRC | PERF_OUTPUT_WEIGHT, |
| |
| .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, |
| }, |
| |
| [PERF_TYPE_BREAKPOINT] = { |
| .user_set = false, |
| |
| .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | |
| PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | |
| PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP | |
| PERF_OUTPUT_SYM | PERF_OUTPUT_DSO | |
| PERF_OUTPUT_PERIOD, |
| |
| .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT, |
| }, |
| }; |
| |
| static bool output_set_by_user(void) |
| { |
| int j; |
| for (j = 0; j < PERF_TYPE_MAX; ++j) { |
| if (output[j].user_set) |
| return true; |
| } |
| return false; |
| } |
| |
| static const char *output_field2str(enum perf_output_field field) |
| { |
| int i, imax = ARRAY_SIZE(all_output_options); |
| const char *str = ""; |
| |
| for (i = 0; i < imax; ++i) { |
| if (all_output_options[i].field == field) { |
| str = all_output_options[i].str; |
| break; |
| } |
| } |
| return str; |
| } |
| |
| #define PRINT_FIELD(x) (output[attr->type].fields & PERF_OUTPUT_##x) |
| |
| static int perf_evsel__do_check_stype(struct perf_evsel *evsel, |
| u64 sample_type, const char *sample_msg, |
| enum perf_output_field field, |
| bool allow_user_set) |
| { |
| struct perf_event_attr *attr = &evsel->attr; |
| int type = attr->type; |
| const char *evname; |
| |
| if (attr->sample_type & sample_type) |
| return 0; |
| |
| if (output[type].user_set) { |
| if (allow_user_set) |
| return 0; |
| evname = perf_evsel__name(evsel); |
| pr_err("Samples for '%s' event do not have %s attribute set. " |
| "Cannot print '%s' field.\n", |
| evname, sample_msg, output_field2str(field)); |
| return -1; |
| } |
| |
| /* user did not ask for it explicitly so remove from the default list */ |
| output[type].fields &= ~field; |
| evname = perf_evsel__name(evsel); |
| pr_debug("Samples for '%s' event do not have %s attribute set. " |
| "Skipping '%s' field.\n", |
| evname, sample_msg, output_field2str(field)); |
| |
| return 0; |
| } |
| |
| static int perf_evsel__check_stype(struct perf_evsel *evsel, |
| u64 sample_type, const char *sample_msg, |
| enum perf_output_field field) |
| { |
| return perf_evsel__do_check_stype(evsel, sample_type, sample_msg, field, |
| false); |
| } |
| |
| static int perf_evsel__check_attr(struct perf_evsel *evsel, |
| struct perf_session *session) |
| { |
| struct perf_event_attr *attr = &evsel->attr; |
| bool allow_user_set; |
| |
| if (perf_header__has_feat(&session->header, HEADER_STAT)) |
| return 0; |
| |
| allow_user_set = perf_header__has_feat(&session->header, |
| HEADER_AUXTRACE); |
| |
| if (PRINT_FIELD(TRACE) && |
| !perf_session__has_traces(session, "record -R")) |
| return -EINVAL; |
| |
| if (PRINT_FIELD(IP)) { |
| if (perf_evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP", |
| PERF_OUTPUT_IP)) |
| return -EINVAL; |
| } |
| |
| if (PRINT_FIELD(ADDR) && |
| perf_evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR", |
| PERF_OUTPUT_ADDR, allow_user_set)) |
| return -EINVAL; |
| |
| if (PRINT_FIELD(DATA_SRC) && |
| perf_evsel__check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC", |
| PERF_OUTPUT_DATA_SRC)) |
| return -EINVAL; |
| |
| if (PRINT_FIELD(WEIGHT) && |
| perf_evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT, "WEIGHT", |
| PERF_OUTPUT_WEIGHT)) |
| return -EINVAL; |
| |
| if (PRINT_FIELD(SYM) && !PRINT_FIELD(IP) && !PRINT_FIELD(ADDR)) { |
| pr_err("Display of symbols requested but neither sample IP nor " |
| "sample address\nis selected. Hence, no addresses to convert " |
| "to symbols.\n"); |
| return -EINVAL; |
| } |
| if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) { |
| pr_err("Display of offsets requested but symbol is not" |
| "selected.\n"); |
| return -EINVAL; |
| } |
| if (PRINT_FIELD(DSO) && !PRINT_FIELD(IP) && !PRINT_FIELD(ADDR)) { |
| pr_err("Display of DSO requested but neither sample IP nor " |
| "sample address\nis selected. Hence, no addresses to convert " |
| "to DSO.\n"); |
| return -EINVAL; |
| } |
| if (PRINT_FIELD(SRCLINE) && !PRINT_FIELD(IP)) { |
| pr_err("Display of source line number requested but sample IP is not\n" |
| "selected. Hence, no address to lookup the source line number.\n"); |
| return -EINVAL; |
| } |
| |
| if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) && |
| perf_evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID", |
| PERF_OUTPUT_TID|PERF_OUTPUT_PID)) |
| return -EINVAL; |
| |
| if (PRINT_FIELD(TIME) && |
| perf_evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME", |
| PERF_OUTPUT_TIME)) |
| return -EINVAL; |
| |
| if (PRINT_FIELD(CPU) && |
| perf_evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU", |
| PERF_OUTPUT_CPU, allow_user_set)) |
| return -EINVAL; |
| |
| if (PRINT_FIELD(PERIOD) && |
| perf_evsel__check_stype(evsel, PERF_SAMPLE_PERIOD, "PERIOD", |
| PERF_OUTPUT_PERIOD)) |
| return -EINVAL; |
| |
| if (PRINT_FIELD(IREGS) && |
| perf_evsel__check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS", |
| PERF_OUTPUT_IREGS)) |
| return -EINVAL; |
| |
| return 0; |
| } |
| |
| static void set_print_ip_opts(struct perf_event_attr *attr) |
| { |
| unsigned int type = attr->type; |
| |
| output[type].print_ip_opts = 0; |
| if (PRINT_FIELD(IP)) |
| output[type].print_ip_opts |= EVSEL__PRINT_IP; |
| |
| if (PRINT_FIELD(SYM)) |
| output[type].print_ip_opts |= EVSEL__PRINT_SYM; |
| |
| if (PRINT_FIELD(DSO)) |
| output[type].print_ip_opts |= EVSEL__PRINT_DSO; |
| |
| if (PRINT_FIELD(SYMOFFSET)) |
| output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET; |
| |
| if (PRINT_FIELD(SRCLINE)) |
| output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE; |
| } |
| |
| /* |
| * verify all user requested events exist and the samples |
| * have the expected data |
| */ |
| static int perf_session__check_output_opt(struct perf_session *session) |
| { |
| unsigned int j; |
| struct perf_evsel *evsel; |
| |
| for (j = 0; j < PERF_TYPE_MAX; ++j) { |
| evsel = perf_session__find_first_evtype(session, j); |
| |
| /* |
| * even if fields is set to 0 (ie., show nothing) event must |
| * exist if user explicitly includes it on the command line |
| */ |
| if (!evsel && output[j].user_set && !output[j].wildcard_set) { |
| pr_err("%s events do not exist. " |
| "Remove corresponding -f option to proceed.\n", |
| event_type(j)); |
| return -1; |
| } |
| |
| if (evsel && output[j].fields && |
| perf_evsel__check_attr(evsel, session)) |
| return -1; |
| |
| if (evsel == NULL) |
| continue; |
| |
| set_print_ip_opts(&evsel->attr); |
| } |
| |
| if (!no_callchain) { |
| bool use_callchain = false; |
| bool not_pipe = false; |
| |
| evlist__for_each_entry(session->evlist, evsel) { |
| not_pipe = true; |
| if (evsel->attr.sample_type & PERF_SAMPLE_CALLCHAIN) { |
| use_callchain = true; |
| break; |
| } |
| } |
| if (not_pipe && !use_callchain) |
| symbol_conf.use_callchain = false; |
| } |
| |
| /* |
| * set default for tracepoints to print symbols only |
| * if callchains are present |
| */ |
| if (symbol_conf.use_callchain && |
| !output[PERF_TYPE_TRACEPOINT].user_set) { |
| struct perf_event_attr *attr; |
| |
| j = PERF_TYPE_TRACEPOINT; |
| |
| evlist__for_each_entry(session->evlist, evsel) { |
| if (evsel->attr.type != j) |
| continue; |
| |
| attr = &evsel->attr; |
| |
| if (attr->sample_type & PERF_SAMPLE_CALLCHAIN) { |
| output[j].fields |= PERF_OUTPUT_IP; |
| output[j].fields |= PERF_OUTPUT_SYM; |
| output[j].fields |= PERF_OUTPUT_DSO; |
| set_print_ip_opts(attr); |
| goto out; |
| } |
| } |
| } |
| |
| out: |
| return 0; |
| } |
| |
| static void print_sample_iregs(struct perf_sample *sample, |
| struct perf_event_attr *attr) |
| { |
| struct regs_dump *regs = &sample->intr_regs; |
| uint64_t mask = attr->sample_regs_intr; |
| unsigned i = 0, r; |
| |
| if (!regs) |
| return; |
| |
| for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) { |
| u64 val = regs->regs[i++]; |
| printf("%5s:0x%"PRIx64" ", perf_reg_name(r), val); |
| } |
| } |
| |
| static void print_sample_start(struct perf_sample *sample, |
| struct thread *thread, |
| struct perf_evsel *evsel) |
| { |
| struct perf_event_attr *attr = &evsel->attr; |
| unsigned long secs; |
| unsigned long usecs; |
| unsigned long long nsecs; |
| |
| if (PRINT_FIELD(COMM)) { |
| if (latency_format) |
| printf("%8.8s ", thread__comm_str(thread)); |
| else if (PRINT_FIELD(IP) && symbol_conf.use_callchain) |
| printf("%s ", thread__comm_str(thread)); |
| else |
| printf("%16s ", thread__comm_str(thread)); |
| } |
| |
| if (PRINT_FIELD(PID) && PRINT_FIELD(TID)) |
| printf("%5d/%-5d ", sample->pid, sample->tid); |
| else if (PRINT_FIELD(PID)) |
| printf("%5d ", sample->pid); |
| else if (PRINT_FIELD(TID)) |
| printf("%5d ", sample->tid); |
| |
| if (PRINT_FIELD(CPU)) { |
| if (latency_format) |
| printf("%3d ", sample->cpu); |
| else |
| printf("[%03d] ", sample->cpu); |
| } |
| |
| if (PRINT_FIELD(TIME)) { |
| nsecs = sample->time; |
| secs = nsecs / NSEC_PER_SEC; |
| nsecs -= secs * NSEC_PER_SEC; |
| usecs = nsecs / NSEC_PER_USEC; |
| if (nanosecs) |
| printf("%5lu.%09llu: ", secs, nsecs); |
| else |
| printf("%5lu.%06lu: ", secs, usecs); |
| } |
| } |
| |
| static inline char |
| mispred_str(struct branch_entry *br) |
| { |
| if (!(br->flags.mispred || br->flags.predicted)) |
| return '-'; |
| |
| return br->flags.predicted ? 'P' : 'M'; |
| } |
| |
| static void print_sample_brstack(struct perf_sample *sample) |
| { |
| struct branch_stack *br = sample->branch_stack; |
| u64 i; |
| |
| if (!(br && br->nr)) |
| return; |
| |
| for (i = 0; i < br->nr; i++) { |
| printf(" 0x%"PRIx64"/0x%"PRIx64"/%c/%c/%c/%d ", |
| br->entries[i].from, |
| br->entries[i].to, |
| mispred_str( br->entries + i), |
| br->entries[i].flags.in_tx? 'X' : '-', |
| br->entries[i].flags.abort? 'A' : '-', |
| br->entries[i].flags.cycles); |
| } |
| } |
| |
| static void print_sample_brstacksym(struct perf_sample *sample, |
| struct thread *thread) |
| { |
| struct branch_stack *br = sample->branch_stack; |
| struct addr_location alf, alt; |
| u64 i, from, to; |
| |
| if (!(br && br->nr)) |
| return; |
| |
| for (i = 0; i < br->nr; i++) { |
| |
| memset(&alf, 0, sizeof(alf)); |
| memset(&alt, 0, sizeof(alt)); |
| from = br->entries[i].from; |
| to = br->entries[i].to; |
| |
| thread__find_addr_map(thread, sample->cpumode, MAP__FUNCTION, from, &alf); |
| if (alf.map) |
| alf.sym = map__find_symbol(alf.map, alf.addr, NULL); |
| |
| thread__find_addr_map(thread, sample->cpumode, MAP__FUNCTION, to, &alt); |
| if (alt.map) |
| alt.sym = map__find_symbol(alt.map, alt.addr, NULL); |
| |
| symbol__fprintf_symname_offs(alf.sym, &alf, stdout); |
| putchar('/'); |
| symbol__fprintf_symname_offs(alt.sym, &alt, stdout); |
| printf("/%c/%c/%c/%d ", |
| mispred_str( br->entries + i), |
| br->entries[i].flags.in_tx? 'X' : '-', |
| br->entries[i].flags.abort? 'A' : '-', |
| br->entries[i].flags.cycles); |
| } |
| } |
| |
| |
| static void print_sample_addr(struct perf_sample *sample, |
| struct thread *thread, |
| struct perf_event_attr *attr) |
| { |
| struct addr_location al; |
| |
| printf("%16" PRIx64, sample->addr); |
| |
| if (!sample_addr_correlates_sym(attr)) |
| return; |
| |
| thread__resolve(thread, &al, sample); |
| |
| if (PRINT_FIELD(SYM)) { |
| printf(" "); |
| if (PRINT_FIELD(SYMOFFSET)) |
| symbol__fprintf_symname_offs(al.sym, &al, stdout); |
| else |
| symbol__fprintf_symname(al.sym, stdout); |
| } |
| |
| if (PRINT_FIELD(DSO)) { |
| printf(" ("); |
| map__fprintf_dsoname(al.map, stdout); |
| printf(")"); |
| } |
| } |
| |
| static void print_sample_callindent(struct perf_sample *sample, |
| struct perf_evsel *evsel, |
| struct thread *thread, |
| struct addr_location *al) |
| { |
| struct perf_event_attr *attr = &evsel->attr; |
| size_t depth = thread_stack__depth(thread); |
| struct addr_location addr_al; |
| const char *name = NULL; |
| static int spacing; |
| int len = 0; |
| u64 ip = 0; |
| |
| /* |
| * The 'return' has already been popped off the stack so the depth has |
| * to be adjusted to match the 'call'. |
| */ |
| if (thread->ts && sample->flags & PERF_IP_FLAG_RETURN) |
| depth += 1; |
| |
| if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) { |
| if (sample_addr_correlates_sym(attr)) { |
| thread__resolve(thread, &addr_al, sample); |
| if (addr_al.sym) |
| name = addr_al.sym->name; |
| else |
| ip = sample->addr; |
| } else { |
| ip = sample->addr; |
| } |
| } else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) { |
| if (al->sym) |
| name = al->sym->name; |
| else |
| ip = sample->ip; |
| } |
| |
| if (name) |
| len = printf("%*s%s", (int)depth * 4, "", name); |
| else if (ip) |
| len = printf("%*s%16" PRIx64, (int)depth * 4, "", ip); |
| |
| if (len < 0) |
| return; |
| |
| /* |
| * Try to keep the output length from changing frequently so that the |
| * output lines up more nicely. |
| */ |
| if (len > spacing || (len && len < spacing - 52)) |
| spacing = round_up(len + 4, 32); |
| |
| if (len < spacing) |
| printf("%*s", spacing - len, ""); |
| } |
| |
| static void print_sample_bts(struct perf_sample *sample, |
| struct perf_evsel *evsel, |
| struct thread *thread, |
| struct addr_location *al) |
| { |
| struct perf_event_attr *attr = &evsel->attr; |
| bool print_srcline_last = false; |
| |
| if (PRINT_FIELD(CALLINDENT)) |
| print_sample_callindent(sample, evsel, thread, al); |
| |
| /* print branch_from information */ |
| if (PRINT_FIELD(IP)) { |
| unsigned int print_opts = output[attr->type].print_ip_opts; |
| struct callchain_cursor *cursor = NULL; |
| |
| if (symbol_conf.use_callchain && sample->callchain && |
| thread__resolve_callchain(al->thread, &callchain_cursor, evsel, |
| sample, NULL, NULL, scripting_max_stack) == 0) |
| cursor = &callchain_cursor; |
| |
| if (cursor == NULL) { |
| putchar(' '); |
| if (print_opts & EVSEL__PRINT_SRCLINE) { |
| print_srcline_last = true; |
| print_opts &= ~EVSEL__PRINT_SRCLINE; |
| } |
| } else |
| putchar('\n'); |
| |
| sample__fprintf_sym(sample, al, 0, print_opts, cursor, stdout); |
| } |
| |
| /* print branch_to information */ |
| if (PRINT_FIELD(ADDR) || |
| ((evsel->attr.sample_type & PERF_SAMPLE_ADDR) && |
| !output[attr->type].user_set)) { |
| printf(" => "); |
| print_sample_addr(sample, thread, attr); |
| } |
| |
| if (print_srcline_last) |
| map__fprintf_srcline(al->map, al->addr, "\n ", stdout); |
| |
| printf("\n"); |
| } |
| |
| static struct { |
| u32 flags; |
| const char *name; |
| } sample_flags[] = { |
| {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"}, |
| {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"}, |
| {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"}, |
| {PERF_IP_FLAG_BRANCH, "jmp"}, |
| {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"}, |
| {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"}, |
| {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"}, |
| {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"}, |
| {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"}, |
| {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC | PERF_IP_FLAG_INTERRUPT, "hw int"}, |
| {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"}, |
| {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"}, |
| {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"}, |
| {0, NULL} |
| }; |
| |
| static void print_sample_flags(u32 flags) |
| { |
| const char *chars = PERF_IP_FLAG_CHARS; |
| const int n = strlen(PERF_IP_FLAG_CHARS); |
| bool in_tx = flags & PERF_IP_FLAG_IN_TX; |
| const char *name = NULL; |
| char str[33]; |
| int i, pos = 0; |
| |
| for (i = 0; sample_flags[i].name ; i++) { |
| if (sample_flags[i].flags == (flags & ~PERF_IP_FLAG_IN_TX)) { |
| name = sample_flags[i].name; |
| break; |
| } |
| } |
| |
| for (i = 0; i < n; i++, flags >>= 1) { |
| if (flags & 1) |
| str[pos++] = chars[i]; |
| } |
| for (; i < 32; i++, flags >>= 1) { |
| if (flags & 1) |
| str[pos++] = '?'; |
| } |
| str[pos] = 0; |
| |
| if (name) |
| printf(" %-7s%4s ", name, in_tx ? "(x)" : ""); |
| else |
| printf(" %-11s ", str); |
| } |
| |
| struct printer_data { |
| int line_no; |
| bool hit_nul; |
| bool is_printable; |
| }; |
| |
| static void |
| print_sample_bpf_output_printer(enum binary_printer_ops op, |
| unsigned int val, |
| void *extra) |
| { |
| unsigned char ch = (unsigned char)val; |
| struct printer_data *printer_data = extra; |
| |
| switch (op) { |
| case BINARY_PRINT_DATA_BEGIN: |
| printf("\n"); |
| break; |
| case BINARY_PRINT_LINE_BEGIN: |
| printf("%17s", !printer_data->line_no ? "BPF output:" : |
| " "); |
| break; |
| case BINARY_PRINT_ADDR: |
| printf(" %04x:", val); |
| break; |
| case BINARY_PRINT_NUM_DATA: |
| printf(" %02x", val); |
| break; |
| case BINARY_PRINT_NUM_PAD: |
| printf(" "); |
| break; |
| case BINARY_PRINT_SEP: |
| printf(" "); |
| break; |
| case BINARY_PRINT_CHAR_DATA: |
| if (printer_data->hit_nul && ch) |
| printer_data->is_printable = false; |
| |
| if (!isprint(ch)) { |
| printf("%c", '.'); |
| |
| if (!printer_data->is_printable) |
| break; |
| |
| if (ch == '\0') |
| printer_data->hit_nul = true; |
| else |
| printer_data->is_printable = false; |
| } else { |
| printf("%c", ch); |
| } |
| break; |
| case BINARY_PRINT_CHAR_PAD: |
| printf(" "); |
| break; |
| case BINARY_PRINT_LINE_END: |
| printf("\n"); |
| printer_data->line_no++; |
| break; |
| case BINARY_PRINT_DATA_END: |
| default: |
| break; |
| } |
| } |
| |
| static void print_sample_bpf_output(struct perf_sample *sample) |
| { |
| unsigned int nr_bytes = sample->raw_size; |
| struct printer_data printer_data = {0, false, true}; |
| |
| print_binary(sample->raw_data, nr_bytes, 8, |
| print_sample_bpf_output_printer, &printer_data); |
| |
| if (printer_data.is_printable && printer_data.hit_nul) |
| printf("%17s \"%s\"\n", "BPF string:", |
| (char *)(sample->raw_data)); |
| } |
| |
| struct perf_script { |
| struct perf_tool tool; |
| struct perf_session *session; |
| bool show_task_events; |
| bool show_mmap_events; |
| bool show_switch_events; |
| bool allocated; |
| struct cpu_map *cpus; |
| struct thread_map *threads; |
| int name_width; |
| }; |
| |
| static int perf_evlist__max_name_len(struct perf_evlist *evlist) |
| { |
| struct perf_evsel *evsel; |
| int max = 0; |
| |
| evlist__for_each_entry(evlist, evsel) { |
| int len = strlen(perf_evsel__name(evsel)); |
| |
| max = MAX(len, max); |
| } |
| |
| return max; |
| } |
| |
| static size_t data_src__printf(u64 data_src) |
| { |
| struct mem_info mi = { .data_src.val = data_src }; |
| char decode[100]; |
| char out[100]; |
| static int maxlen; |
| int len; |
| |
| perf_script__meminfo_scnprintf(decode, 100, &mi); |
| |
| len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode); |
| if (maxlen < len) |
| maxlen = len; |
| |
| return printf("%-*s", maxlen, out); |
| } |
| |
| static void process_event(struct perf_script *script, |
| struct perf_sample *sample, struct perf_evsel *evsel, |
| struct addr_location *al) |
| { |
| struct thread *thread = al->thread; |
| struct perf_event_attr *attr = &evsel->attr; |
| |
| if (output[attr->type].fields == 0) |
| return; |
| |
| print_sample_start(sample, thread, evsel); |
| |
| if (PRINT_FIELD(PERIOD)) |
| printf("%10" PRIu64 " ", sample->period); |
| |
| if (PRINT_FIELD(EVNAME)) { |
| const char *evname = perf_evsel__name(evsel); |
| |
| if (!script->name_width) |
| script->name_width = perf_evlist__max_name_len(script->session->evlist); |
| |
| printf("%*s: ", script->name_width, |
| evname ? evname : "[unknown]"); |
| } |
| |
| if (print_flags) |
| print_sample_flags(sample->flags); |
| |
| if (is_bts_event(attr)) { |
| print_sample_bts(sample, evsel, thread, al); |
| return; |
| } |
| |
| if (PRINT_FIELD(TRACE)) |
| event_format__print(evsel->tp_format, sample->cpu, |
| sample->raw_data, sample->raw_size); |
| if (PRINT_FIELD(ADDR)) |
| print_sample_addr(sample, thread, attr); |
| |
| if (PRINT_FIELD(DATA_SRC)) |
| data_src__printf(sample->data_src); |
| |
| if (PRINT_FIELD(WEIGHT)) |
| printf("%16" PRIu64, sample->weight); |
| |
| if (PRINT_FIELD(IP)) { |
| struct callchain_cursor *cursor = NULL; |
| |
| if (symbol_conf.use_callchain && sample->callchain && |
| thread__resolve_callchain(al->thread, &callchain_cursor, evsel, |
| sample, NULL, NULL, scripting_max_stack) == 0) |
| cursor = &callchain_cursor; |
| |
| putchar(cursor ? '\n' : ' '); |
| sample__fprintf_sym(sample, al, 0, output[attr->type].print_ip_opts, cursor, stdout); |
| } |
| |
| if (PRINT_FIELD(IREGS)) |
| print_sample_iregs(sample, attr); |
| |
| if (PRINT_FIELD(BRSTACK)) |
| print_sample_brstack(sample); |
| else if (PRINT_FIELD(BRSTACKSYM)) |
| print_sample_brstacksym(sample, thread); |
| |
| if (perf_evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT)) |
| print_sample_bpf_output(sample); |
| |
| printf("\n"); |
| } |
| |
| static struct scripting_ops *scripting_ops; |
| |
| static void __process_stat(struct perf_evsel *counter, u64 tstamp) |
| { |
| int nthreads = thread_map__nr(counter->threads); |
| int ncpus = perf_evsel__nr_cpus(counter); |
| int cpu, thread; |
| static int header_printed; |
| |
| if (counter->system_wide) |
| nthreads = 1; |
| |
| if (!header_printed) { |
| printf("%3s %8s %15s %15s %15s %15s %s\n", |
| "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT"); |
| header_printed = 1; |
| } |
| |
| for (thread = 0; thread < nthreads; thread++) { |
| for (cpu = 0; cpu < ncpus; cpu++) { |
| struct perf_counts_values *counts; |
| |
| counts = perf_counts(counter->counts, cpu, thread); |
| |
| printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n", |
| counter->cpus->map[cpu], |
| thread_map__pid(counter->threads, thread), |
| counts->val, |
| counts->ena, |
| counts->run, |
| tstamp, |
| perf_evsel__name(counter)); |
| } |
| } |
| } |
| |
| static void process_stat(struct perf_evsel *counter, u64 tstamp) |
| { |
| if (scripting_ops && scripting_ops->process_stat) |
| scripting_ops->process_stat(&stat_config, counter, tstamp); |
| else |
| __process_stat(counter, tstamp); |
| } |
| |
| static void process_stat_interval(u64 tstamp) |
| { |
| if (scripting_ops && scripting_ops->process_stat_interval) |
| scripting_ops->process_stat_interval(tstamp); |
| } |
| |
| static void setup_scripting(void) |
| { |
| setup_perl_scripting(); |
| setup_python_scripting(); |
| } |
| |
| static int flush_scripting(void) |
| { |
| return scripting_ops ? scripting_ops->flush_script() : 0; |
| } |
| |
| static int cleanup_scripting(void) |
| { |
| pr_debug("\nperf script stopped\n"); |
| |
| return scripting_ops ? scripting_ops->stop_script() : 0; |
| } |
| |
| static int process_sample_event(struct perf_tool *tool, |
| union perf_event *event, |
| struct perf_sample *sample, |
| struct perf_evsel *evsel, |
| struct machine *machine) |
| { |
| struct perf_script *scr = container_of(tool, struct perf_script, tool); |
| struct addr_location al; |
| |
| if (debug_mode) { |
| if (sample->time < last_timestamp) { |
| pr_err("Samples misordered, previous: %" PRIu64 |
| " this: %" PRIu64 "\n", last_timestamp, |
| sample->time); |
| nr_unordered++; |
| } |
| last_timestamp = sample->time; |
| return 0; |
| } |
| |
| if (machine__resolve(machine, &al, sample) < 0) { |
| pr_err("problem processing %d event, skipping it.\n", |
| event->header.type); |
| return -1; |
| } |
| |
| if (al.filtered) |
| goto out_put; |
| |
| if (cpu_list && !test_bit(sample->cpu, cpu_bitmap)) |
| goto out_put; |
| |
| if (scripting_ops) |
| scripting_ops->process_event(event, sample, evsel, &al); |
| else |
| process_event(scr, sample, evsel, &al); |
| |
| out_put: |
| addr_location__put(&al); |
| return 0; |
| } |
| |
| static int process_attr(struct perf_tool *tool, union perf_event *event, |
| struct perf_evlist **pevlist) |
| { |
| struct perf_script *scr = container_of(tool, struct perf_script, tool); |
| struct perf_evlist *evlist; |
| struct perf_evsel *evsel, *pos; |
| int err; |
| |
| err = perf_event__process_attr(tool, event, pevlist); |
| if (err) |
| return err; |
| |
| evlist = *pevlist; |
| evsel = perf_evlist__last(*pevlist); |
| |
| if (evsel->attr.type >= PERF_TYPE_MAX) |
| return 0; |
| |
| evlist__for_each_entry(evlist, pos) { |
| if (pos->attr.type == evsel->attr.type && pos != evsel) |
| return 0; |
| } |
| |
| set_print_ip_opts(&evsel->attr); |
| |
| if (evsel->attr.sample_type) |
| err = perf_evsel__check_attr(evsel, scr->session); |
| |
| return err; |
| } |
| |
| static int process_comm_event(struct perf_tool *tool, |
| union perf_event *event, |
| struct perf_sample *sample, |
| struct machine *machine) |
| { |
| struct thread *thread; |
| struct perf_script *script = container_of(tool, struct perf_script, tool); |
| struct perf_session *session = script->session; |
| struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); |
| int ret = -1; |
| |
| thread = machine__findnew_thread(machine, event->comm.pid, event->comm.tid); |
| if (thread == NULL) { |
| pr_debug("problem processing COMM event, skipping it.\n"); |
| return -1; |
| } |
| |
| if (perf_event__process_comm(tool, event, sample, machine) < 0) |
| goto out; |
| |
| if (!evsel->attr.sample_id_all) { |
| sample->cpu = 0; |
| sample->time = 0; |
| sample->tid = event->comm.tid; |
| sample->pid = event->comm.pid; |
| } |
| print_sample_start(sample, thread, evsel); |
| perf_event__fprintf(event, stdout); |
| ret = 0; |
| out: |
| thread__put(thread); |
| return ret; |
| } |
| |
| static int process_fork_event(struct perf_tool *tool, |
| union perf_event *event, |
| struct perf_sample *sample, |
| struct machine *machine) |
| { |
| struct thread *thread; |
| struct perf_script *script = container_of(tool, struct perf_script, tool); |
| struct perf_session *session = script->session; |
| struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); |
| |
| if (perf_event__process_fork(tool, event, sample, machine) < 0) |
| return -1; |
| |
| thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid); |
| if (thread == NULL) { |
| pr_debug("problem processing FORK event, skipping it.\n"); |
| return -1; |
| } |
| |
| if (!evsel->attr.sample_id_all) { |
| sample->cpu = 0; |
| sample->time = event->fork.time; |
| sample->tid = event->fork.tid; |
| sample->pid = event->fork.pid; |
| } |
| print_sample_start(sample, thread, evsel); |
| perf_event__fprintf(event, stdout); |
| thread__put(thread); |
| |
| return 0; |
| } |
| static int process_exit_event(struct perf_tool *tool, |
| union perf_event *event, |
| struct perf_sample *sample, |
| struct machine *machine) |
| { |
| int err = 0; |
| struct thread *thread; |
| struct perf_script *script = container_of(tool, struct perf_script, tool); |
| struct perf_session *session = script->session; |
| struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); |
| |
| thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid); |
| if (thread == NULL) { |
| pr_debug("problem processing EXIT event, skipping it.\n"); |
| return -1; |
| } |
| |
| if (!evsel->attr.sample_id_all) { |
| sample->cpu = 0; |
| sample->time = 0; |
| sample->tid = event->fork.tid; |
| sample->pid = event->fork.pid; |
| } |
| print_sample_start(sample, thread, evsel); |
| perf_event__fprintf(event, stdout); |
| |
| if (perf_event__process_exit(tool, event, sample, machine) < 0) |
| err = -1; |
| |
| thread__put(thread); |
| return err; |
| } |
| |
| static int process_mmap_event(struct perf_tool *tool, |
| union perf_event *event, |
| struct perf_sample *sample, |
| struct machine *machine) |
| { |
| struct thread *thread; |
| struct perf_script *script = container_of(tool, struct perf_script, tool); |
| struct perf_session *session = script->session; |
| struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); |
| |
| if (perf_event__process_mmap(tool, event, sample, machine) < 0) |
| return -1; |
| |
| thread = machine__findnew_thread(machine, event->mmap.pid, event->mmap.tid); |
| if (thread == NULL) { |
| pr_debug("problem processing MMAP event, skipping it.\n"); |
| return -1; |
| } |
| |
| if (!evsel->attr.sample_id_all) { |
| sample->cpu = 0; |
| sample->time = 0; |
| sample->tid = event->mmap.tid; |
| sample->pid = event->mmap.pid; |
| } |
| print_sample_start(sample, thread, evsel); |
| perf_event__fprintf(event, stdout); |
| thread__put(thread); |
| return 0; |
| } |
| |
| static int process_mmap2_event(struct perf_tool *tool, |
| union perf_event *event, |
| struct perf_sample *sample, |
| struct machine *machine) |
| { |
| struct thread *thread; |
| struct perf_script *script = container_of(tool, struct perf_script, tool); |
| struct perf_session *session = script->session; |
| struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); |
| |
| if (perf_event__process_mmap2(tool, event, sample, machine) < 0) |
| return -1; |
| |
| thread = machine__findnew_thread(machine, event->mmap2.pid, event->mmap2.tid); |
| if (thread == NULL) { |
| pr_debug("problem processing MMAP2 event, skipping it.\n"); |
| return -1; |
| } |
| |
| if (!evsel->attr.sample_id_all) { |
| sample->cpu = 0; |
| sample->time = 0; |
| sample->tid = event->mmap2.tid; |
| sample->pid = event->mmap2.pid; |
| } |
| print_sample_start(sample, thread, evsel); |
| perf_event__fprintf(event, stdout); |
| thread__put(thread); |
| return 0; |
| } |
| |
| static int process_switch_event(struct perf_tool *tool, |
| union perf_event *event, |
| struct perf_sample *sample, |
| struct machine *machine) |
| { |
| struct thread *thread; |
| struct perf_script *script = container_of(tool, struct perf_script, tool); |
| struct perf_session *session = script->session; |
| struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id); |
| |
| if (perf_event__process_switch(tool, event, sample, machine) < 0) |
| return -1; |
| |
| thread = machine__findnew_thread(machine, sample->pid, |
| sample->tid); |
| if (thread == NULL) { |
| pr_debug("problem processing SWITCH event, skipping it.\n"); |
| return -1; |
| } |
| |
| print_sample_start(sample, thread, evsel); |
| perf_event__fprintf(event, stdout); |
| thread__put(thread); |
| return 0; |
| } |
| |
| static void sig_handler(int sig __maybe_unused) |
| { |
| session_done = 1; |
| } |
| |
| static int __cmd_script(struct perf_script *script) |
| { |
| int ret; |
| |
| signal(SIGINT, sig_handler); |
| |
| /* override event processing functions */ |
| if (script->show_task_events) { |
| script->tool.comm = process_comm_event; |
| script->tool.fork = process_fork_event; |
| script->tool.exit = process_exit_event; |
| } |
| if (script->show_mmap_events) { |
| script->tool.mmap = process_mmap_event; |
| script->tool.mmap2 = process_mmap2_event; |
| } |
| if (script->show_switch_events) |
| script->tool.context_switch = process_switch_event; |
| |
| ret = perf_session__process_events(script->session); |
| |
| if (debug_mode) |
| pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered); |
| |
| return ret; |
| } |
| |
| struct script_spec { |
| struct list_head node; |
| struct scripting_ops *ops; |
| char spec[0]; |
| }; |
| |
| static LIST_HEAD(script_specs); |
| |
| static struct script_spec *script_spec__new(const char *spec, |
| struct scripting_ops *ops) |
| { |
| struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1); |
| |
| if (s != NULL) { |
| strcpy(s->spec, spec); |
| s->ops = ops; |
| } |
| |
| return s; |
| } |
| |
| static void script_spec__add(struct script_spec *s) |
| { |
| list_add_tail(&s->node, &script_specs); |
| } |
| |
| static struct script_spec *script_spec__find(const char *spec) |
| { |
| struct script_spec *s; |
| |
| list_for_each_entry(s, &script_specs, node) |
| if (strcasecmp(s->spec, spec) == 0) |
| return s; |
| return NULL; |
| } |
| |
| int script_spec_register(const char *spec, struct scripting_ops *ops) |
| { |
| struct script_spec *s; |
| |
| s = script_spec__find(spec); |
| if (s) |
| return -1; |
| |
| s = script_spec__new(spec, ops); |
| if (!s) |
| return -1; |
| else |
| script_spec__add(s); |
| |
| return 0; |
| } |
| |
| static struct scripting_ops *script_spec__lookup(const char *spec) |
| { |
| struct script_spec *s = script_spec__find(spec); |
| if (!s) |
| return NULL; |
| |
| return s->ops; |
| } |
| |
| static void list_available_languages(void) |
| { |
| struct script_spec *s; |
| |
| fprintf(stderr, "\n"); |
| fprintf(stderr, "Scripting language extensions (used in " |
| "perf script -s [spec:]script.[spec]):\n\n"); |
| |
| list_for_each_entry(s, &script_specs, node) |
| fprintf(stderr, " %-42s [%s]\n", s->spec, s->ops->name); |
| |
| fprintf(stderr, "\n"); |
| } |
| |
| static int parse_scriptname(const struct option *opt __maybe_unused, |
| const char *str, int unset __maybe_unused) |
| { |
| char spec[PATH_MAX]; |
| const char *script, *ext; |
| int len; |
| |
| if (strcmp(str, "lang") == 0) { |
| list_available_languages(); |
| exit(0); |
| } |
| |
| script = strchr(str, ':'); |
| if (script) { |
| len = script - str; |
| if (len >= PATH_MAX) { |
| fprintf(stderr, "invalid language specifier"); |
| return -1; |
| } |
| strncpy(spec, str, len); |
| spec[len] = '\0'; |
| scripting_ops = script_spec__lookup(spec); |
| if (!scripting_ops) { |
| fprintf(stderr, "invalid language specifier"); |
| return -1; |
| } |
| script++; |
| } else { |
| script = str; |
| ext = strrchr(script, '.'); |
| if (!ext) { |
| fprintf(stderr, "invalid script extension"); |
| return -1; |
| } |
| scripting_ops = script_spec__lookup(++ext); |
| if (!scripting_ops) { |
| fprintf(stderr, "invalid script extension"); |
| return -1; |
| } |
| } |
| |
| script_name = strdup(script); |
| |
| return 0; |
| } |
| |
| static int parse_output_fields(const struct option *opt __maybe_unused, |
| const char *arg, int unset __maybe_unused) |
| { |
| char *tok; |
| int i, imax = ARRAY_SIZE(all_output_options); |
| int j; |
| int rc = 0; |
| char *str = strdup(arg); |
| int type = -1; |
| |
| if (!str) |
| return -ENOMEM; |
| |
| /* first word can state for which event type the user is specifying |
| * the fields. If no type exists, the specified fields apply to all |
| * event types found in the file minus the invalid fields for a type. |
| */ |
| tok = strchr(str, ':'); |
| if (tok) { |
| *tok = '\0'; |
| tok++; |
| if (!strcmp(str, "hw")) |
| type = PERF_TYPE_HARDWARE; |
| else if (!strcmp(str, "sw")) |
| type = PERF_TYPE_SOFTWARE; |
| else if (!strcmp(str, "trace")) |
| type = PERF_TYPE_TRACEPOINT; |
| else if (!strcmp(str, "raw")) |
| type = PERF_TYPE_RAW; |
| else if (!strcmp(str, "break")) |
| type = PERF_TYPE_BREAKPOINT; |
| else { |
| fprintf(stderr, "Invalid event type in field string.\n"); |
| rc = -EINVAL; |
| goto out; |
| } |
| |
| if (output[type].user_set) |
| pr_warning("Overriding previous field request for %s events.\n", |
| event_type(type)); |
| |
| output[type].fields = 0; |
| output[type].user_set = true; |
| output[type].wildcard_set = false; |
| |
| } else { |
| tok = str; |
| if (strlen(str) == 0) { |
| fprintf(stderr, |
| "Cannot set fields to 'none' for all event types.\n"); |
| rc = -EINVAL; |
| goto out; |
| } |
| |
| if (output_set_by_user()) |
| pr_warning("Overriding previous field request for all events.\n"); |
| |
| for (j = 0; j < PERF_TYPE_MAX; ++j) { |
| output[j].fields = 0; |
| output[j].user_set = true; |
| output[j].wildcard_set = true; |
| } |
| } |
| |
| for (tok = strtok(tok, ","); tok; tok = strtok(NULL, ",")) { |
| for (i = 0; i < imax; ++i) { |
| if (strcmp(tok, all_output_options[i].str) == 0) |
| break; |
| } |
| if (i == imax && strcmp(tok, "flags") == 0) { |
| print_flags = true; |
| continue; |
| } |
| if (i == imax) { |
| fprintf(stderr, "Invalid field requested.\n"); |
| rc = -EINVAL; |
| goto out; |
| } |
| |
| if (type == -1) { |
| /* add user option to all events types for |
| * which it is valid |
| */ |
| for (j = 0; j < PERF_TYPE_MAX; ++j) { |
| if (output[j].invalid_fields & all_output_options[i].field) { |
| pr_warning("\'%s\' not valid for %s events. Ignoring.\n", |
| all_output_options[i].str, event_type(j)); |
| } else |
| output[j].fields |= all_output_options[i].field; |
| } |
| } else { |
| if (output[type].invalid_fields & all_output_options[i].field) { |
| fprintf(stderr, "\'%s\' not valid for %s events.\n", |
| all_output_options[i].str, event_type(type)); |
| |
| rc = -EINVAL; |
| goto out; |
| } |
| output[type].fields |= all_output_options[i].field; |
| } |
| } |
| |
| if (type >= 0) { |
| if (output[type].fields == 0) { |
| pr_debug("No fields requested for %s type. " |
| "Events will not be displayed.\n", event_type(type)); |
| } |
| } |
| |
| out: |
| free(str); |
| return rc; |
| } |
| |
| /* Helper function for filesystems that return a dent->d_type DT_UNKNOWN */ |
| static int is_directory(const char *base_path, const struct dirent *dent) |
| { |
| char path[PATH_MAX]; |
| struct stat st; |
| |
| sprintf(path, "%s/%s", base_path, dent->d_name); |
| if (stat(path, &st)) |
| return 0; |
| |
| return S_ISDIR(st.st_mode); |
| } |
| |
| #define for_each_lang(scripts_path, scripts_dir, lang_dirent) \ |
| while ((lang_dirent = readdir(scripts_dir)) != NULL) \ |
| if ((lang_dirent->d_type == DT_DIR || \ |
| (lang_dirent->d_type == DT_UNKNOWN && \ |
| is_directory(scripts_path, lang_dirent))) && \ |
| (strcmp(lang_dirent->d_name, ".")) && \ |
| (strcmp(lang_dirent->d_name, ".."))) |
| |
| #define for_each_script(lang_path, lang_dir, script_dirent) \ |
| while ((script_dirent = readdir(lang_dir)) != NULL) \ |
| if (script_dirent->d_type != DT_DIR && \ |
| (script_dirent->d_type != DT_UNKNOWN || \ |
| !is_directory(lang_path, script_dirent))) |
| |
| |
| #define RECORD_SUFFIX "-record" |
| #define REPORT_SUFFIX "-report" |
| |
| struct script_desc { |
| struct list_head node; |
| char *name; |
| char *half_liner; |
| char *args; |
| }; |
| |
| static LIST_HEAD(script_descs); |
| |
| static struct script_desc *script_desc__new(const char *name) |
| { |
| struct script_desc *s = zalloc(sizeof(*s)); |
| |
| if (s != NULL && name) |
| s->name = strdup(name); |
| |
| return s; |
| } |
| |
| static void script_desc__delete(struct script_desc *s) |
| { |
| zfree(&s->name); |
| zfree(&s->half_liner); |
| zfree(&s->args); |
| free(s); |
| } |
| |
| static void script_desc__add(struct script_desc *s) |
| { |
| list_add_tail(&s->node, &script_descs); |
| } |
| |
| static struct script_desc *script_desc__find(const char *name) |
| { |
| struct script_desc *s; |
| |
| list_for_each_entry(s, &script_descs, node) |
| if (strcasecmp(s->name, name) == 0) |
| return s; |
| return NULL; |
| } |
| |
| static struct script_desc *script_desc__findnew(const char *name) |
| { |
| struct script_desc *s = script_desc__find(name); |
| |
| if (s) |
| return s; |
| |
| s = script_desc__new(name); |
| if (!s) |
| goto out_delete_desc; |
| |
| script_desc__add(s); |
| |
| return s; |
| |
| out_delete_desc: |
| script_desc__delete(s); |
| |
| return NULL; |
| } |
| |
| static const char *ends_with(const char *str, const char *suffix) |
| { |
| size_t suffix_len = strlen(suffix); |
| const char *p = str; |
| |
| if (strlen(str) > suffix_len) { |
| p = str + strlen(str) - suffix_len; |
| if (!strncmp(p, suffix, suffix_len)) |
| return p; |
| } |
| |
| return NULL; |
| } |
| |
| static int read_script_info(struct script_desc *desc, const char *filename) |
| { |
| char line[BUFSIZ], *p; |
| FILE *fp; |
| |
| fp = fopen(filename, "r"); |
| if (!fp) |
| return -1; |
| |
| while (fgets(line, sizeof(line), fp)) { |
| p = ltrim(line); |
| if (strlen(p) == 0) |
| continue; |
| if (*p != '#') |
| continue; |
| p++; |
| if (strlen(p) && *p == '!') |
| continue; |
| |
| p = ltrim(p); |
| if (strlen(p) && p[strlen(p) - 1] == '\n') |
| p[strlen(p) - 1] = '\0'; |
| |
| if (!strncmp(p, "description:", strlen("description:"))) { |
| p += strlen("description:"); |
| desc->half_liner = strdup(ltrim(p)); |
| continue; |
| } |
| |
| if (!strncmp(p, "args:", strlen("args:"))) { |
| p += strlen("args:"); |
| desc->args = strdup(ltrim(p)); |
| continue; |
| } |
| } |
| |
| fclose(fp); |
| |
| return 0; |
| } |
| |
| static char *get_script_root(struct dirent *script_dirent, const char *suffix) |
| { |
| char *script_root, *str; |
| |
| script_root = strdup(script_dirent->d_name); |
| if (!script_root) |
| return NULL; |
| |
| str = (char *)ends_with(script_root, suffix); |
| if (!str) { |
| free(script_root); |
| return NULL; |
| } |
| |
| *str = '\0'; |
| return script_root; |
| } |
| |
| static int list_available_scripts(const struct option *opt __maybe_unused, |
| const char *s __maybe_unused, |
| int unset __maybe_unused) |
| { |
| struct dirent *script_dirent, *lang_dirent; |
| char scripts_path[MAXPATHLEN]; |
| DIR *scripts_dir, *lang_dir; |
| char script_path[MAXPATHLEN]; |
| char lang_path[MAXPATHLEN]; |
| struct script_desc *desc; |
| char first_half[BUFSIZ]; |
| char *script_root; |
| |
| snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); |
| |
| scripts_dir = opendir(scripts_path); |
| if (!scripts_dir) { |
| fprintf(stdout, |
| "open(%s) failed.\n" |
| "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n", |
| scripts_path); |
| exit(-1); |
| } |
| |
| for_each_lang(scripts_path, scripts_dir, lang_dirent) { |
| snprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, |
| lang_dirent->d_name); |
| lang_dir = opendir(lang_path); |
| if (!lang_dir) |
| continue; |
| |
| for_each_script(lang_path, lang_dir, script_dirent) { |
| script_root = get_script_root(script_dirent, REPORT_SUFFIX); |
| if (script_root) { |
| desc = script_desc__findnew(script_root); |
| snprintf(script_path, MAXPATHLEN, "%s/%s", |
| lang_path, script_dirent->d_name); |
| read_script_info(desc, script_path); |
| free(script_root); |
| } |
| } |
| } |
| |
| fprintf(stdout, "List of available trace scripts:\n"); |
| list_for_each_entry(desc, &script_descs, node) { |
| sprintf(first_half, "%s %s", desc->name, |
| desc->args ? desc->args : ""); |
| fprintf(stdout, " %-36s %s\n", first_half, |
| desc->half_liner ? desc->half_liner : ""); |
| } |
| |
| exit(0); |
| } |
| |
| /* |
| * Some scripts specify the required events in their "xxx-record" file, |
| * this function will check if the events in perf.data match those |
| * mentioned in the "xxx-record". |
| * |
| * Fixme: All existing "xxx-record" are all in good formats "-e event ", |
| * which is covered well now. And new parsing code should be added to |
| * cover the future complexing formats like event groups etc. |
| */ |
| static int check_ev_match(char *dir_name, char *scriptname, |
| struct perf_session *session) |
| { |
| char filename[MAXPATHLEN], evname[128]; |
| char line[BUFSIZ], *p; |
| struct perf_evsel *pos; |
| int match, len; |
| FILE *fp; |
| |
| sprintf(filename, "%s/bin/%s-record", dir_name, scriptname); |
| |
| fp = fopen(filename, "r"); |
| if (!fp) |
| return -1; |
| |
| while (fgets(line, sizeof(line), fp)) { |
| p = ltrim(line); |
| if (*p == '#') |
| continue; |
| |
| while (strlen(p)) { |
| p = strstr(p, "-e"); |
| if (!p) |
| break; |
| |
| p += 2; |
| p = ltrim(p); |
| len = strcspn(p, " \t"); |
| if (!len) |
| break; |
| |
| snprintf(evname, len + 1, "%s", p); |
| |
| match = 0; |
| evlist__for_each_entry(session->evlist, pos) { |
| if (!strcmp(perf_evsel__name(pos), evname)) { |
| match = 1; |
| break; |
| } |
| } |
| |
| if (!match) { |
| fclose(fp); |
| return -1; |
| } |
| } |
| } |
| |
| fclose(fp); |
| return 0; |
| } |
| |
| /* |
| * Return -1 if none is found, otherwise the actual scripts number. |
| * |
| * Currently the only user of this function is the script browser, which |
| * will list all statically runnable scripts, select one, execute it and |
| * show the output in a perf browser. |
| */ |
| int find_scripts(char **scripts_array, char **scripts_path_array) |
| { |
| struct dirent *script_dirent, *lang_dirent; |
| char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN]; |
| DIR *scripts_dir, *lang_dir; |
| struct perf_session *session; |
| struct perf_data_file file = { |
| .path = input_name, |
| .mode = PERF_DATA_MODE_READ, |
| }; |
| char *temp; |
| int i = 0; |
| |
| session = perf_session__new(&file, false, NULL); |
| if (!session) |
| return -1; |
| |
| snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); |
| |
| scripts_dir = opendir(scripts_path); |
| if (!scripts_dir) { |
| perf_session__delete(session); |
| return -1; |
| } |
| |
| for_each_lang(scripts_path, scripts_dir, lang_dirent) { |
| snprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path, |
| lang_dirent->d_name); |
| #ifdef NO_LIBPERL |
| if (strstr(lang_path, "perl")) |
| continue; |
| #endif |
| #ifdef NO_LIBPYTHON |
| if (strstr(lang_path, "python")) |
| continue; |
| #endif |
| |
| lang_dir = opendir(lang_path); |
| if (!lang_dir) |
| continue; |
| |
| for_each_script(lang_path, lang_dir, script_dirent) { |
| /* Skip those real time scripts: xxxtop.p[yl] */ |
| if (strstr(script_dirent->d_name, "top.")) |
| continue; |
| sprintf(scripts_path_array[i], "%s/%s", lang_path, |
| script_dirent->d_name); |
| temp = strchr(script_dirent->d_name, '.'); |
| snprintf(scripts_array[i], |
| (temp - script_dirent->d_name) + 1, |
| "%s", script_dirent->d_name); |
| |
| if (check_ev_match(lang_path, |
| scripts_array[i], session)) |
| continue; |
| |
| i++; |
| } |
| closedir(lang_dir); |
| } |
| |
| closedir(scripts_dir); |
| perf_session__delete(session); |
| return i; |
| } |
| |
| static char *get_script_path(const char *script_root, const char *suffix) |
| { |
| struct dirent *script_dirent, *lang_dirent; |
| char scripts_path[MAXPATHLEN]; |
| char script_path[MAXPATHLEN]; |
| DIR *scripts_dir, *lang_dir; |
| char lang_path[MAXPATHLEN]; |
| char *__script_root; |
| |
| snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path()); |
| |
| scripts_dir = opendir(scripts_path); |
| if (!scripts_dir) |
| return NULL; |
| |
| for_each_lang(scripts_path, scripts_dir, lang_dirent) { |
| snprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path, |
| lang_dirent->d_name); |
| lang_dir = opendir(lang_path); |
| if (!lang_dir) |
| continue; |
| |
| for_each_script(lang_path, lang_dir, script_dirent) { |
| __script_root = get_script_root(script_dirent, suffix); |
| if (__script_root && !strcmp(script_root, __script_root)) { |
| free(__script_root); |
| closedir(lang_dir); |
| closedir(scripts_dir); |
| snprintf(script_path, MAXPATHLEN, "%s/%s", |
| lang_path, script_dirent->d_name); |
| return strdup(script_path); |
| } |
| free(__script_root); |
| } |
| closedir(lang_dir); |
| } |
| closedir(scripts_dir); |
| |
| return NULL; |
| } |
| |
| static bool is_top_script(const char *script_path) |
| { |
| return ends_with(script_path, "top") == NULL ? false : true; |
| } |
| |
| static int has_required_arg(char *script_path) |
| { |
| struct script_desc *desc; |
| int n_args = 0; |
| char *p; |
| |
| desc = script_desc__new(NULL); |
| |
| if (read_script_info(desc, script_path)) |
| goto out; |
| |
| if (!desc->args) |
| goto out; |
| |
| for (p = desc->args; *p; p++) |
| if (*p == '<') |
| n_args++; |
| out: |
| script_desc__delete(desc); |
| |
| return n_args; |
| } |
| |
| static int have_cmd(int argc, const char **argv) |
| { |
| char **__argv = malloc(sizeof(const char *) * argc); |
| |
| if (!__argv) { |
| pr_err("malloc failed\n"); |
| return -1; |
| } |
| |
| memcpy(__argv, argv, sizeof(const char *) * argc); |
| argc = parse_options(argc, (const char **)__argv, record_options, |
| NULL, PARSE_OPT_STOP_AT_NON_OPTION); |
| free(__argv); |
| |
| system_wide = (argc == 0); |
| |
| return 0; |
| } |
| |
| static void script__setup_sample_type(struct perf_script *script) |
| { |
| struct perf_session *session = script->session; |
| u64 sample_type = perf_evlist__combined_sample_type(session->evlist); |
| |
| if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) { |
| if ((sample_type & PERF_SAMPLE_REGS_USER) && |
| (sample_type & PERF_SAMPLE_STACK_USER)) |
| callchain_param.record_mode = CALLCHAIN_DWARF; |
| else if (sample_type & PERF_SAMPLE_BRANCH_STACK) |
| callchain_param.record_mode = CALLCHAIN_LBR; |
| else |
| callchain_param.record_mode = CALLCHAIN_FP; |
| } |
| } |
| |
| static int process_stat_round_event(struct perf_tool *tool __maybe_unused, |
| union perf_event *event, |
| struct perf_session *session) |
| { |
| struct stat_round_event *round = &event->stat_round; |
| struct perf_evsel *counter; |
| |
| evlist__for_each_entry(session->evlist, counter) { |
| perf_stat_process_counter(&stat_config, counter); |
| process_stat(counter, round->time); |
| } |
| |
| process_stat_interval(round->time); |
| return 0; |
| } |
| |
| static int process_stat_config_event(struct perf_tool *tool __maybe_unused, |
| union perf_event *event, |
| struct perf_session *session __maybe_unused) |
| { |
| perf_event__read_stat_config(&stat_config, &event->stat_config); |
| return 0; |
| } |
| |
| static int set_maps(struct perf_script *script) |
| { |
| struct perf_evlist *evlist = script->session->evlist; |
| |
| if (!script->cpus || !script->threads) |
| return 0; |
| |
| if (WARN_ONCE(script->allocated, "stats double allocation\n")) |
| return -EINVAL; |
| |
| perf_evlist__set_maps(evlist, script->cpus, script->threads); |
| |
| if (perf_evlist__alloc_stats(evlist, true)) |
| return -ENOMEM; |
| |
| script->allocated = true; |
| return 0; |
| } |
| |
| static |
| int process_thread_map_event(struct perf_tool *tool, |
| union perf_event *event, |
| struct perf_session *session __maybe_unused) |
| { |
| struct perf_script *script = container_of(tool, struct perf_script, tool); |
| |
| if (script->threads) { |
| pr_warning("Extra thread map event, ignoring.\n"); |
| return 0; |
| } |
| |
| script->threads = thread_map__new_event(&event->thread_map); |
| if (!script->threads) |
| return -ENOMEM; |
| |
| return set_maps(script); |
| } |
| |
| static |
| int process_cpu_map_event(struct perf_tool *tool __maybe_unused, |
| union perf_event *event, |
| struct perf_session *session __maybe_unused) |
| { |
| struct perf_script *script = container_of(tool, struct perf_script, tool); |
| |
| if (script->cpus) { |
| pr_warning("Extra cpu map event, ignoring.\n"); |
| return 0; |
| } |
| |
| script->cpus = cpu_map__new_data(&event->cpu_map.data); |
| if (!script->cpus) |
| return -ENOMEM; |
| |
| return set_maps(script); |
| } |
| |
| int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused) |
| { |
| bool show_full_info = false; |
| bool header = false; |
| bool header_only = false; |
| bool script_started = false; |
| char *rec_script_path = NULL; |
| char *rep_script_path = NULL; |
| struct perf_session *session; |
| struct itrace_synth_opts itrace_synth_opts = { .set = false, }; |
| char *script_path = NULL; |
| const char **__argv; |
| int i, j, err = 0; |
| struct perf_script script = { |
| .tool = { |
| .sample = process_sample_event, |
| .mmap = perf_event__process_mmap, |
| .mmap2 = perf_event__process_mmap2, |
| .comm = perf_event__process_comm, |
| .exit = perf_event__process_exit, |
| .fork = perf_event__process_fork, |
| .attr = process_attr, |
| .event_update = perf_event__process_event_update, |
| .tracing_data = perf_event__process_tracing_data, |
| .build_id = perf_event__process_build_id, |
| .id_index = perf_event__process_id_index, |
| .auxtrace_info = perf_event__process_auxtrace_info, |
| .auxtrace = perf_event__process_auxtrace, |
| .auxtrace_error = perf_event__process_auxtrace_error, |
| .stat = perf_event__process_stat_event, |
| .stat_round = process_stat_round_event, |
| .stat_config = process_stat_config_event, |
| .thread_map = process_thread_map_event, |
| .cpu_map = process_cpu_map_event, |
| .ordered_events = true, |
| .ordering_requires_timestamps = true, |
| }, |
| }; |
| struct perf_data_file file = { |
| .mode = PERF_DATA_MODE_READ, |
| }; |
| const struct option options[] = { |
| OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, |
| "dump raw trace in ASCII"), |
| OPT_INCR('v', "verbose", &verbose, |
| "be more verbose (show symbol address, etc)"), |
| OPT_BOOLEAN('L', "Latency", &latency_format, |
| "show latency attributes (irqs/preemption disabled, etc)"), |
| OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts", |
| list_available_scripts), |
| OPT_CALLBACK('s', "script", NULL, "name", |
| "script file name (lang:script name, script name, or *)", |
| parse_scriptname), |
| OPT_STRING('g', "gen-script", &generate_script_lang, "lang", |
| "generate perf-script.xx script in specified language"), |
| OPT_STRING('i', "input", &input_name, "file", "input file name"), |
| OPT_BOOLEAN('d', "debug-mode", &debug_mode, |
| "do various checks like samples ordering and lost events"), |
| OPT_BOOLEAN(0, "header", &header, "Show data header."), |
| OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."), |
| OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, |
| "file", "vmlinux pathname"), |
| OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, |
| "file", "kallsyms pathname"), |
| OPT_BOOLEAN('G', "hide-call-graph", &no_callchain, |
| "When printing symbols do not display call chain"), |
| OPT_CALLBACK(0, "symfs", NULL, "directory", |
| "Look for files with symbols relative to this directory", |
| symbol__config_symfs), |
| OPT_CALLBACK('F', "fields", NULL, "str", |
| "comma separated output fields prepend with 'type:'. " |
| "Valid types: hw,sw,trace,raw. " |
| "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso," |
| "addr,symoff,period,iregs,brstack,brstacksym,flags," |
| "bpf-output,callindent", parse_output_fields), |
| OPT_BOOLEAN('a', "all-cpus", &system_wide, |
| "system-wide collection from all CPUs"), |
| OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", |
| "only consider these symbols"), |
| OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"), |
| OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]", |
| "only display events for these comms"), |
| OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]", |
| "only consider symbols in these pids"), |
| OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]", |
| "only consider symbols in these tids"), |
| OPT_UINTEGER(0, "max-stack", &scripting_max_stack, |
| "Set the maximum stack depth when parsing the callchain, " |
| "anything beyond the specified depth will be ignored. " |
| "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)), |
| OPT_BOOLEAN('I', "show-info", &show_full_info, |
| "display extended information from perf.data file"), |
| OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path, |
| "Show the path of [kernel.kallsyms]"), |
| OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events, |
| "Show the fork/comm/exit events"), |
| OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events, |
| "Show the mmap events"), |
| OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events, |
| "Show context switch events (if recorded)"), |
| OPT_BOOLEAN('f', "force", &file.force, "don't complain, do it"), |
| OPT_BOOLEAN(0, "ns", &nanosecs, |
| "Use 9 decimal places when displaying time"), |
| OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts", |
| "Instruction Tracing options", |
| itrace_parse_synth_opts), |
| OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename, |
| "Show full source file name path for source lines"), |
| OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle, |
| "Enable symbol demangling"), |
| OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel, |
| "Enable kernel symbol demangling"), |
| |
| OPT_END() |
| }; |
| const char * const script_subcommands[] = { "record", "report", NULL }; |
| const char *script_usage[] = { |
| "perf script [<options>]", |
| "perf script [<options>] record <script> [<record-options>] <command>", |
| "perf script [<options>] report <script> [script-args]", |
| "perf script [<options>] <script> [<record-options>] <command>", |
| "perf script [<options>] <top-script> [script-args]", |
| NULL |
| }; |
| |
| setup_scripting(); |
| |
| argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage, |
| PARSE_OPT_STOP_AT_NON_OPTION); |
| |
| file.path = input_name; |
| |
| if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) { |
| rec_script_path = get_script_path(argv[1], RECORD_SUFFIX); |
| if (!rec_script_path) |
| return cmd_record(argc, argv, NULL); |
| } |
| |
| if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) { |
| rep_script_path = get_script_path(argv[1], REPORT_SUFFIX); |
| if (!rep_script_path) { |
| fprintf(stderr, |
| "Please specify a valid report script" |
| "(see 'perf script -l' for listing)\n"); |
| return -1; |
| } |
| } |
| |
| if (itrace_synth_opts.callchain && |
| itrace_synth_opts.callchain_sz > scripting_max_stack) |
| scripting_max_stack = itrace_synth_opts.callchain_sz; |
| |
| /* make sure PERF_EXEC_PATH is set for scripts */ |
| set_argv_exec_path(get_argv_exec_path()); |
| |
| if (argc && !script_name && !rec_script_path && !rep_script_path) { |
| int live_pipe[2]; |
| int rep_args; |
| pid_t pid; |
| |
| rec_script_path = get_script_path(argv[0], RECORD_SUFFIX); |
| rep_script_path = get_script_path(argv[0], REPORT_SUFFIX); |
| |
| if (!rec_script_path && !rep_script_path) { |
| usage_with_options_msg(script_usage, options, |
| "Couldn't find script `%s'\n\n See perf" |
| " script -l for available scripts.\n", argv[0]); |
| } |
| |
| if (is_top_script(argv[0])) { |
| rep_args = argc - 1; |
| } else { |
| int rec_args; |
| |
| rep_args = has_required_arg(rep_script_path); |
| rec_args = (argc - 1) - rep_args; |
| if (rec_args < 0) { |
| usage_with_options_msg(script_usage, options, |
| "`%s' script requires options." |
| "\n\n See perf script -l for available " |
| "scripts and options.\n", argv[0]); |
| } |
| } |
| |
| if (pipe(live_pipe) < 0) { |
| perror("failed to create pipe"); |
| return -1; |
| } |
| |
| pid = fork(); |
| if (pid < 0) { |
| perror("failed to fork"); |
| return -1; |
| } |
| |
| if (!pid) { |
| j = 0; |
| |
| dup2(live_pipe[1], 1); |
| close(live_pipe[0]); |
| |
| if (is_top_script(argv[0])) { |
| system_wide = true; |
| } else if (!system_wide) { |
| if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) { |
| err = -1; |
| goto out; |
| } |
| } |
| |
| __argv = malloc((argc + 6) * sizeof(const char *)); |
| if (!__argv) { |
| pr_err("malloc failed\n"); |
| err = -ENOMEM; |
| goto out; |
| } |
| |
| __argv[j++] = "/bin/sh"; |
| __argv[j++] = rec_script_path; |
| if (system_wide) |
| __argv[j++] = "-a"; |
| __argv[j++] = "-q"; |
| __argv[j++] = "-o"; |
| __argv[j++] = "-"; |
| for (i = rep_args + 1; i < argc; i++) |
| __argv[j++] = argv[i]; |
| __argv[j++] = NULL; |
| |
| execvp("/bin/sh", (char **)__argv); |
| free(__argv); |
| exit(-1); |
| } |
| |
| dup2(live_pipe[0], 0); |
| close(live_pipe[1]); |
| |
| __argv = malloc((argc + 4) * sizeof(const char *)); |
| if (!__argv) { |
| pr_err("malloc failed\n"); |
| err = -ENOMEM; |
| goto out; |
| } |
| |
| j = 0; |
| __argv[j++] = "/bin/sh"; |
| __argv[j++] = rep_script_path; |
| for (i = 1; i < rep_args + 1; i++) |
| __argv[j++] = argv[i]; |
| __argv[j++] = "-i"; |
| __argv[j++] = "-"; |
| __argv[j++] = NULL; |
| |
| execvp("/bin/sh", (char **)__argv); |
| free(__argv); |
| exit(-1); |
| } |
| |
| if (rec_script_path) |
| script_path = rec_script_path; |
| if (rep_script_path) |
| script_path = rep_script_path; |
| |
| if (script_path) { |
| j = 0; |
| |
| if (!rec_script_path) |
| system_wide = false; |
| else if (!system_wide) { |
| if (have_cmd(argc - 1, &argv[1]) != 0) { |
| err = -1; |
| goto out; |
| } |
| } |
| |
| __argv = malloc((argc + 2) * sizeof(const char *)); |
| if (!__argv) { |
| pr_err("malloc failed\n"); |
| err = -ENOMEM; |
| goto out; |
| } |
| |
| __argv[j++] = "/bin/sh"; |
| __argv[j++] = script_path; |
| if (system_wide) |
| __argv[j++] = "-a"; |
| for (i = 2; i < argc; i++) |
| __argv[j++] = argv[i]; |
| __argv[j++] = NULL; |
| |
| execvp("/bin/sh", (char **)__argv); |
| free(__argv); |
| exit(-1); |
| } |
| |
| if (!script_name) |
| setup_pager(); |
| |
| session = perf_session__new(&file, false, &script.tool); |
| if (session == NULL) |
| return -1; |
| |
| if (header || header_only) { |
| perf_session__fprintf_info(session, stdout, show_full_info); |
| if (header_only) |
| goto out_delete; |
| } |
| |
| if (symbol__init(&session->header.env) < 0) |
| goto out_delete; |
| |
| script.session = session; |
| script__setup_sample_type(&script); |
| |
| if (output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) |
| itrace_synth_opts.thread_stack = true; |
| |
| session->itrace_synth_opts = &itrace_synth_opts; |
| |
| if (cpu_list) { |
| err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap); |
| if (err < 0) |
| goto out_delete; |
| } |
| |
| if (!no_callchain) |
| symbol_conf.use_callchain = true; |
| else |
| symbol_conf.use_callchain = false; |
| |
| if (session->tevent.pevent && |
| pevent_set_function_resolver(session->tevent.pevent, |
| machine__resolve_kernel_addr, |
| &session->machines.host) < 0) { |
| pr_err("%s: failed to set libtraceevent function resolver\n", __func__); |
| return -1; |
| } |
| |
| if (generate_script_lang) { |
| struct stat perf_stat; |
| int input; |
| |
| if (output_set_by_user()) { |
| fprintf(stderr, |
| "custom fields not supported for generated scripts"); |
| err = -EINVAL; |
| goto out_delete; |
| } |
| |
| input = open(file.path, O_RDONLY); /* input_name */ |
| if (input < 0) { |
| err = -errno; |
| perror("failed to open file"); |
| goto out_delete; |
| } |
| |
| err = fstat(input, &perf_stat); |
| if (err < 0) { |
| perror("failed to stat file"); |
| goto out_delete; |
| } |
| |
| if (!perf_stat.st_size) { |
| fprintf(stderr, "zero-sized file, nothing to do!\n"); |
| goto out_delete; |
| } |
| |
| scripting_ops = script_spec__lookup(generate_script_lang); |
| if (!scripting_ops) { |
| fprintf(stderr, "invalid language specifier"); |
| err = -ENOENT; |
| goto out_delete; |
| } |
| |
| err = scripting_ops->generate_script(session->tevent.pevent, |
| "perf-script"); |
| goto out_delete; |
| } |
| |
| if (script_name) { |
| err = scripting_ops->start_script(script_name, argc, argv); |
| if (err) |
| goto out_delete; |
| pr_debug("perf script started with script %s\n\n", script_name); |
| script_started = true; |
| } |
| |
| |
| err = perf_session__check_output_opt(session); |
| if (err < 0) |
| goto out_delete; |
| |
| err = __cmd_script(&script); |
| |
| flush_scripting(); |
| |
| out_delete: |
| perf_evlist__free_stats(session->evlist); |
| perf_session__delete(session); |
| |
| if (script_started) |
| cleanup_scripting(); |
| out: |
| return err; |
| } |