perf_counter: tool: handle 0-length data files
authorPeter Zijlstra <a.p.zijlstra@chello.nl>
Fri, 1 May 2009 10:23:18 +0000 (12:23 +0200)
committerIngo Molnar <mingo@elte.hu>
Fri, 1 May 2009 11:23:44 +0000 (13:23 +0200)
commit585e3374d9d29376c2c37d821c8b7637dd48ca95
tree475ce31aa831f186ddb8416a29548996a8ded2cf
parent63a809a2dc53b91268dd915bbcbd425063893676
perf_counter: tool: handle 0-length data files

Avoid perf-report barfing on 0-length data files.

[ Impact: fix perf-report SIGBUS ]

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
LKML-Reference: <20090501102533.196245693@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Documentation/perf_counter/perf-report.cc