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| /openbmc/linux/tools/perf/ |
| H A D | builtin-record.c | diff d4db3f164529013b11a171bb1bd38e8681ddaec8 Sun Dec 27 17:36:57 CST 2009 Arnaldo Carvalho de Melo <acme@redhat.com> perf record: We should fork only if a program was specified to run
IOW: Now 'perf record -a' works, this was a bug introduced in:
856e96608a72412d319e498a3a7c557571f811bd
"perf record: Properly synchronize child creation"
Also fix the -C usage, i.e. allow for profiling all the tasks in
one CPU.
Reported-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <1261957026-15580-1-git-send-email-acme@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff 856e96608a72412d319e498a3a7c557571f811bd Wed Dec 16 10:55:55 CST 2009 Peter Zijlstra <a.p.zijlstra@chello.nl> perf record: Properly synchronize child creation
Remove that ugly usleep and provide proper serialization between
parent and child just like perf-stat does.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: fweisbec@gmail.com
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <20091216165904.908184135@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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