diff options
| -rw-r--r-- | tools/perf/Documentation/perf-config.txt | 3 | ||||
| -rw-r--r-- | tools/perf/builtin-trace.c | 9 |
2 files changed, 11 insertions, 1 deletions
diff --git a/tools/perf/Documentation/perf-config.txt b/tools/perf/Documentation/perf-config.txt index cd9bf12fb255..ecd1e9514925 100644 --- a/tools/perf/Documentation/perf-config.txt +++ b/tools/perf/Documentation/perf-config.txt @@ -535,6 +535,9 @@ trace.*:: trace.show_duration:: Show syscall duration. + trace.show_timestamp:: + Show syscall start timestamp. + trace.show_zeros:: Do not suppress syscall arguments that are equal to zero. diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index a4e2290e57e0..e978ce034863 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -127,6 +127,7 @@ struct trace { bool show_tool_stats; bool trace_syscalls; bool kernel_syscallchains; + bool show_tstamp; bool show_duration; bool show_zeros; bool force; @@ -1215,7 +1216,10 @@ static size_t trace__fprintf_comm_tid(struct trace *trace, struct thread *thread static size_t trace__fprintf_entry_head(struct trace *trace, struct thread *thread, u64 duration, bool duration_calculated, u64 tstamp, FILE *fp) { - size_t printed = trace__fprintf_tstamp(trace, tstamp, fp); + size_t printed = 0; + + if (trace->show_tstamp) + printed = trace__fprintf_tstamp(trace, tstamp, fp); if (trace->show_duration) printed += fprintf_duration(duration, duration_calculated, fp); return printed + trace__fprintf_comm_tid(trace, thread, fp); @@ -3538,6 +3542,8 @@ static int trace__config(const char *var, const char *value, void *arg) "event selector. use 'perf list' to list available events", parse_events_option); err = parse_events_option(&o, value, 0); + } else if (!strcmp(var, "trace.show_timestamp")) { + trace->show_tstamp = perf_config_bool(var, value); } else if (!strcmp(var, "trace.show_duration")) { trace->show_duration = perf_config_bool(var, value); } else if (!strcmp(var, "trace.show_zeros")) { @@ -3574,6 +3580,7 @@ int cmd_trace(int argc, const char **argv) }, .output = stderr, .show_comm = true, + .show_tstamp = true, .show_duration = true, .trace_syscalls = false, .kernel_syscallchains = false, |