| commit | 9ee318a7825929bc3734110b83ae8e20e53d9de3 | [log] [tgz] |
|---|---|---|
| author | Peter Zijlstra <a.p.zijlstra@chello.nl> | Thu Apr 09 10:53:44 2009 +0200 |
| committer | Ingo Molnar <mingo@elte.hu> | Thu Apr 09 11:50:43 2009 +0200 |
| tree | 4823b4e82bb99971559d3569c7f4d710ac7f232d | |
| parent | b3828ebb3901adfe989d8d4157ed28247aeec132 [diff] |
perf_counter: optimize mmap/comm tracking Impact: performance optimization The mmap/comm tracking code does quite a lot of work before it discovers there's no interest in it, avoid that by keeping a counter. 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: <20090409085524.427173196@chello.nl> Signed-off-by: Ingo Molnar <mingo@elte.hu>