On Mon, Mar 11, 2019 at 08:52:22PM -0700, Andi Kleen wrote: > From: Andi Kleen <a...@linux.intel.com> > > When a sample doesn't have a time stamp (e.g. from --no-time), > show the beginning of the trace for res samples instead of generating > an impossible time range that errors out. > > Signed-off-by: Andi Kleen <a...@linux.intel.com>
Acked-by: Jiri Olsa <jo...@kernel.org> thanks, jirka > --- > tools/perf/ui/browsers/res_sample.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/tools/perf/ui/browsers/res_sample.c > b/tools/perf/ui/browsers/res_sample.c > index c0dd73176d42..c450a3536f10 100644 > --- a/tools/perf/ui/browsers/res_sample.c > +++ b/tools/perf/ui/browsers/res_sample.c > @@ -60,7 +60,9 @@ int res_sample_browse(struct res_sample *res_samples, int > num_res, > return -1; > r = &res_samples[choice]; > > - n = timestamp__scnprintf_nsec(r->time - context_len, trange, sizeof > trange); > + n = timestamp__scnprintf_nsec(r->time > context_len ? > + r->time - context_len : r->time, > + trange, sizeof trange); > trange[n++] = ','; > timestamp__scnprintf_nsec(r->time + context_len, trange + n, sizeof > trange - n); > > -- > 2.20.1 >
