Commit 6dcbd212 authored by Arnaldo Carvalho de Melo's avatar Arnaldo Carvalho de Melo
Browse files

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: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 1cdf618f

tools/perf/builtin-trace.c

+10 −4
Original line number Diff line number Diff line
@@ -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)

{

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