perf report: Improve error msg when no first/last sample time found
authorJin Yao <yao.jin@linux.intel.com>
Wed, 10 Jan 2018 15:00:26 +0000 (23:00 +0800)
committerArnaldo Carvalho de Melo <acme@redhat.com>
Wed, 17 Jan 2018 13:23:34 +0000 (10:23 -0300)
commiteb0b419eff8cf51af8e16cc8c5d2a92d19824266
treecd11cef74729146a9b3533b9a5021fd8ea3a77af
parent0d3dcc0ef13d9d78132d7d6ae068c17ed858e65e
perf report: Improve error msg when no first/last sample time found

The following message will be returned to user when executing
'perf report --time' if perf data file doesn't contain the
first/last sample time.

"HINT: no first/last sample time found in perf data.
 Please use latest perf binary to execute 'perf record'
 (if '--buildid-all' is enabled, needs to set '--timestamp-boundary')."

Signed-off-by: Jin Yao <yao.jin@linux.intel.com>
Reviewed-by: Jiri Olsa <jolsa@redhat.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Kan Liang <kan.liang@intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1515596433-24653-2-git-send-email-yao.jin@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
tools/perf/builtin-report.c