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>

1 files changed, 12 insertions, 0 deletions

diff --git a/tools/lib/traceevent/event-parse.h b/tools/lib/traceevent/event-parse.h
index 2e0222dd3a8b..88528278f9aa 100644
--- a/tools/lib/traceevent/event-parse.h
+++ b/tools/lib/traceevent/event-parse.h
@@ -334,6 +334,10 @@ enum pevent_func_arg_type {
         PEVENT_FUNC_ARG_MAX_TYPES
 };
 
+enum pevent_flag {
+        PEVENT_NSEC_OUTPUT              = 1,    /* output in NSECS */
+};
+
 struct cmdline;
 struct cmdline_list;
 struct func_map;
@@ -373,6 +377,7 @@ struct pevent {
         struct printk_list *printklist;
         unsigned int printk_count;
 
+
         struct event_format **events;
         int nr_events;
         struct event_format **sort_events;
@@ -397,6 +402,8 @@ struct pevent {
 
         int test_filters;
 
+        int flags;
+
         struct format_field *bprint_ip_field;
         struct format_field *bprint_fmt_field;
         struct format_field *bprint_buf_field;
@@ -408,6 +415,11 @@ struct pevent {
         struct event_format *last_event;
 };
 
+static inline void pevent_set_flag(struct pevent *pevent, int flag)
+{
+        pevent->flags |= flag;
+}
+
 static inline unsigned short
 __data2host2(struct pevent *pevent, unsigned short data)
 {