diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2015-05-19 00:00:55 +0000 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2015-05-27 09:17:40 +0200 |
| commit | 0bac237845e203dd1439cfc571b1baf1b2274b3b (patch) | |
| tree | a0ecd39b9deccf55090334a92d8dbe058db60394 /tools/perf/scripts/python/call-graph-from-postgresql.py | |
| parent | 9e7eaac95af6c1aecaf558b8c7a1757d5f2d2ad7 (diff) | |
perf/x86/intel/cqm: Avoid pointless MSR write
If the usage counter is non-zero there is no point to update the rmid
in the PQR MSR.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Matt Fleming <matt.fleming@intel.com>
Cc: Kanaka Juvva <kanaka.d.juvva@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Vikas Shivappa <vikas.shivappa@linux.intel.com>
Cc: Will Auld <will.auld@intel.com>
Link: http://lkml.kernel.org/r/20150518235150.080844281@linutronix.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'tools/perf/scripts/python/call-graph-from-postgresql.py')
0 files changed, 0 insertions, 0 deletions