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| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2018-08-21 11:40:09 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2018-08-30 15:52:19 -0300 |
| commit | 6dcbd212ff4988d8e6caa0b6700bd1c1d317dc02 (patch) | |
| tree | 63816ef0d39c8eeed1a0d84d46a00228e71a45f0 /tools/perf/builtin-trace.c | |
| parent | 1cdf618f23867dd1dae58f10f1f82839f2bf73b4 (diff) | |
| download | linux-6dcbd212ff4988d8e6caa0b6700bd1c1d317dc02.tar.gz linux-6dcbd212ff4988d8e6caa0b6700bd1c1d317dc02.tar.bz2 linux-6dcbd212ff4988d8e6caa0b6700bd1c1d317dc02.zip | |
perf trace: Extract the comm/tid printing for syscall enter
Will be used with augmented syscalls, where we haven't transitioned
completely to combining sys_enter_FOO with sys_exit_FOO, so we'll go
as far as having it similar to the end result, strace like, as possible.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: https://lkml.kernel.org/n/tip-canomaoiybkswwnhj69u9ae4@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/builtin-trace.c')
| -rw-r--r-- | tools/perf/builtin-trace.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index bcf882afd6d0..92488edd00eb 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -1144,11 +1144,9 @@ static void sig_handler(int sig) interrupted = sig == SIGINT; } -static size_t trace__fprintf_entry_head(struct trace *trace, struct thread *thread, - u64 duration, bool duration_calculated, u64 tstamp, FILE *fp) +static size_t trace__fprintf_comm_tid(struct trace *trace, struct thread *thread, FILE *fp) { - size_t printed = trace__fprintf_tstamp(trace, tstamp, fp); - printed += fprintf_duration(duration, duration_calculated, fp); + size_t printed = 0; if (trace->multiple_threads) { if (trace->show_comm) @@ -1159,6 +1157,14 @@ static size_t trace__fprintf_entry_head(struct trace *trace, struct thread *thre return printed; } +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); + printed += fprintf_duration(duration, duration_calculated, fp); + return printed + trace__fprintf_comm_tid(trace, thread, fp); +} + static int trace__process_event(struct trace *trace, struct machine *machine, union perf_event *event, struct perf_sample *sample) { |