From: Arnaldo Carvalho de Melo <acme@redhat.com>
Date: Thu, 17 Feb 2011 16:40:46 +0000 (-0200)
Subject: perf report: Tell the user when a perf.data file has no samples
X-Git-Tag: v2.6.39-rc1~510^2~60^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=74cfc17dc1a69c37ce6c8a76c1ce84bcb796eb0e;p=pandora-kernel.git

perf report: Tell the user when a perf.data file has no samples

[root@emilia ~]# perf report --stdio
The perf.data file has no samples!
[root@emilia ~]#

The TUI shows a popup warning message with the same message.

Reported-by: Ingo Molnar <mingo@elte.hu>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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