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@@ -726,6 +726,7 @@ struct trace {
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struct intlist *pid_list;
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bool sched;
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bool multiple_threads;
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+ bool show_comm;
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double duration_filter;
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double runtime_ms;
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};
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@@ -755,8 +756,11 @@ static size_t trace__fprintf_entry_head(struct trace *trace, struct thread *thre
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size_t printed = trace__fprintf_tstamp(trace, tstamp, fp);
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printed += fprintf_duration(duration, fp);
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- if (trace->multiple_threads)
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+ if (trace->multiple_threads) {
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+ if (trace->show_comm)
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+ printed += fprintf(fp, "%.14s/", thread->comm);
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printed += fprintf(fp, "%d ", thread->tid);
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+ }
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return printed;
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}
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@@ -1503,10 +1507,13 @@ int cmd_trace(int argc, const char **argv, const char *prefix __maybe_unused)
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.mmap_pages = 1024,
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},
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.output = stdout,
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+ .show_comm = true,
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};
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const char *output_name = NULL;
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const char *ev_qualifier_str = NULL;
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const struct option trace_options[] = {
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+ OPT_BOOLEAN(0, "comm", &trace.show_comm,
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+ "show the thread COMM next to its id"),
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OPT_STRING('e', "expr", &ev_qualifier_str, "expr",
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"list of events to trace"),
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OPT_STRING('o', "output", &output_name, "file", "output file name"),
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