perf/events: Add flag to produce nsec output
libtraceevent library prints out in usecs but perf wants to print out
in nsecs. Add a flag that lets the user decide to print out in usec
or nsec times.
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Arnaldo Carvalho de Melo <acme@infradead.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Arun Sharma <asharma@fb.com>
Cc: Namhyung Kim <namhyung.kim@lge.com>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c
index 3ce75b5..c799c19 100644
--- a/tools/lib/traceevent/event-parse.c
+++ b/tools/lib/traceevent/event-parse.c
@@ -3940,15 +3940,16 @@
struct event_format *event;
unsigned long secs;
unsigned long usecs;
+ unsigned long nsecs;
const char *comm;
void *data = record->data;
int type;
int pid;
int len;
+ int p;
secs = record->ts / NSECS_PER_SEC;
- usecs = record->ts - secs * NSECS_PER_SEC;
- usecs = (usecs + 500) / NSECS_PER_USEC;
+ nsecs = record->ts - secs * NSECS_PER_SEC;
if (record->size < 0) {
do_warning("ug! negative record size %d", record->size);
@@ -3973,7 +3974,15 @@
} else
trace_seq_printf(s, "%16s-%-5d [%03d]", comm, pid, record->cpu);
- trace_seq_printf(s, " %5lu.%06lu: %s: ", secs, usecs, event->name);
+ if (pevent->flags & PEVENT_NSEC_OUTPUT) {
+ usecs = nsecs;
+ p = 9;
+ } else {
+ usecs = (nsecs + 500) / NSECS_PER_USEC;
+ p = 6;
+ }
+
+ trace_seq_printf(s, " %5lu.%0*lu: %s: ", secs, p, usecs, event->name);
/* Space out the event names evenly. */
len = strlen(event->name);