From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andi Kleen Subject: [PATCH 1/3] perf, tools, report: Handle samples without time Date: Mon, 11 Mar 2019 20:52:22 -0700 Message-ID: <20190312035224.30350-2-andi@firstfloor.org> References: <20190312035224.30350-1-andi@firstfloor.org> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20190312035224.30350-1-andi@firstfloor.org> Sender: linux-kernel-owner@vger.kernel.org To: acme@kernel.org Cc: jolsa@kernel.org, linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, Andi Kleen List-Id: linux-perf-users.vger.kernel.org From: Andi Kleen 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 --- 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