diff options
| -rw-r--r-- | tools/perf/Documentation/perf-script.txt | 5 | ||||
| -rw-r--r-- | tools/perf/builtin-script.c | 141 |
2 files changed, 130 insertions, 16 deletions
diff --git a/tools/perf/Documentation/perf-script.txt b/tools/perf/Documentation/perf-script.txt index 29ad942..b73cf58 100644 --- a/tools/perf/Documentation/perf-script.txt +++ b/tools/perf/Documentation/perf-script.txt @@ -112,6 +112,11 @@ OPTIONS --debug-mode:: Do various checks like samples ordering and lost events. +-f:: +--fields + Comma separated list of fields to print. Options are: + comm, tid, pid, time, cpu, event, trace + SEE ALSO -------- linkperf:perf-record[1], linkperf:perf-script-perl[1], diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c index 0a79da2..c046e6e 100644 --- a/tools/perf/builtin-script.c +++ b/tools/perf/builtin-script.c @@ -20,6 +20,38 @@ static u64 last_timestamp; static u64 nr_unordered; extern const struct option record_options[]; +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, +}; + +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}, +}; + +/* default set to maintain compatibility with current format */ +static u64 output_fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID | \ + PERF_OUTPUT_CPU | PERF_OUTPUT_TIME | \ + PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE; + +static bool output_set_by_user; + +#define PRINT_FIELD(x) (output_fields & PERF_OUTPUT_##x) + static void print_sample_start(struct perf_sample *sample, struct thread *thread) { @@ -28,24 +60,45 @@ static void print_sample_start(struct perf_sample *sample, const char *evname = NULL; unsigned long secs; unsigned long usecs; - unsigned long long nsecs = sample->time; + unsigned long long nsecs; + + if (PRINT_FIELD(COMM)) { + if (latency_format) + printf("%8.8s ", thread->comm); + else + printf("%16s ", thread->comm); + } - if (latency_format) - printf("%8.8s-%-5d %3d", thread->comm, sample->tid, sample->cpu); - else - printf("%16s-%-5d [%03d]", thread->comm, sample->tid, sample->cpu); + 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); + } - secs = nsecs / NSECS_PER_SEC; - nsecs -= secs * NSECS_PER_SEC; - usecs = nsecs / NSECS_PER_USEC; - printf(" %5lu.%06lu: ", secs, usecs); + if (PRINT_FIELD(TIME)) { + nsecs = sample->time; + secs = nsecs / NSECS_PER_SEC; + nsecs -= secs * NSECS_PER_SEC; + usecs = nsecs / NSECS_PER_USEC; + printf("%5lu.%06lu: ", secs, usecs); + } - type = trace_parse_common_type(sample->raw_data); - event = trace_find_event(type); - if (event) - evname = event->name; + if (PRINT_FIELD(EVNAME)) { + type = trace_parse_common_type(sample->raw_data); + event = trace_find_event(type); + if (event) + evname = event->name; - printf("%s: ", evname ? evname : "(unknown)"); + printf("%s: ", evname ? evname : "(unknown)"); + } } static void process_event(union perf_event *event __unused, @@ -54,7 +107,11 @@ static void process_event(union perf_event *event __unused, struct thread *thread) { print_sample_start(sample, thread); - print_trace_event(sample->cpu, sample->raw_data, sample->raw_size); + + if (PRINT_FIELD(TRACE)) + print_trace_event(sample->cpu, sample->raw_data, + sample->raw_size); + printf("\n"); } @@ -311,6 +368,48 @@ static int parse_scriptname(const struct option *opt __used, return 0; } +static int parse_output_fields(const struct option *opt __used, + const char *arg, int unset __used) +{ + char *tok; + int i, imax = sizeof(all_output_options) / sizeof(struct output_option); + int rc = 0; + char *str = strdup(arg); + + if (!str) + return -ENOMEM; + + tok = strtok(str, ","); + if (!tok) { + fprintf(stderr, "Invalid field string."); + return -EINVAL; + } + + output_fields = 0; + while (1) { + for (i = 0; i < imax; ++i) { + if (strcmp(tok, all_output_options[i].str) == 0) { + output_fields |= all_output_options[i].field; + break; + } + } + if (i == imax) { + fprintf(stderr, "Invalid field requested."); + rc = -EINVAL; + break; + } + + tok = strtok(NULL, ","); + if (!tok) + break; + } + + output_set_by_user = true; + + 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) { @@ -623,6 +722,9 @@ static const struct option options[] = { "input file name"), OPT_BOOLEAN('d', "debug-mode", &debug_mode, "do various checks like samples ordering and lost events"), + OPT_CALLBACK('f', "fields", NULL, "str", + "comma separated output fields. Options: comm,tid,pid,time,cpu,event,trace", + parse_output_fields), OPT_END() }; @@ -809,8 +911,15 @@ int cmd_script(int argc, const char **argv, const char *prefix __used) if (generate_script_lang) { struct stat perf_stat; + int input; + + if (output_set_by_user) { + fprintf(stderr, + "custom fields not supported for generated scripts"); + return -1; + } - int input = open(input_name, O_RDONLY); + input = open(input_name, O_RDONLY); if (input < 0) { perror("failed to open file"); exit(-1); |