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| author | Steven Rostedt <srostedt@redhat.com> | 2012-04-06 00:47:57 +0200 |
|---|---|---|
| committer | Frederic Weisbecker <fweisbec@gmail.com> | 2012-04-25 13:35:18 +0200 |
| commit | 4dc1024a7a529626de5a800b10088bcbbc1ae941 (patch) | |
| tree | 53100c8ed8b599568cc6f1f023e1a709d3eeda1f /tools | |
| parent | aaf045f72335653b24784d6042be8e4aee114403 (diff) | |
| download | linux-4dc1024a7a529626de5a800b10088bcbbc1ae941.tar.gz linux-4dc1024a7a529626de5a800b10088bcbbc1ae941.tar.bz2 linux-4dc1024a7a529626de5a800b10088bcbbc1ae941.zip | |
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>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/lib/traceevent/event-parse.c | 15 | ||||
| -rw-r--r-- | tools/lib/traceevent/event-parse.h | 12 | ||||
| -rw-r--r-- | tools/perf/util/trace-event-parse.c | 1 |
3 files changed, 25 insertions, 3 deletions
diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c index 3ce75b5d7612..c799c19f9340 100644 --- a/tools/lib/traceevent/event-parse.c +++ b/tools/lib/traceevent/event-parse.c @@ -3940,15 +3940,16 @@ void pevent_print_event(struct pevent *pevent, struct trace_seq *s, 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 @@ void pevent_print_event(struct pevent *pevent, struct trace_seq *s, } 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); 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) { diff --git a/tools/perf/util/trace-event-parse.c b/tools/perf/util/trace-event-parse.c index 4ec165a334e2..39f22f8843a2 100644 --- a/tools/perf/util/trace-event-parse.c +++ b/tools/perf/util/trace-event-parse.c @@ -45,6 +45,7 @@ int read_trace_init(int file_bigendian, int host_bigendian) perf_pevent = pevent_alloc(); pevent = perf_pevent; + pevent_set_flag(pevent, PEVENT_NSEC_OUTPUT); pevent_set_file_bigendian(pevent, file_bigendian); pevent_set_host_bigendian(pevent, host_bigendian); |