diff options
| author | Ingo Molnar <[email protected]> | 2011-04-28 11:16:44 +0200 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2011-04-28 08:39:33 +0200 |
| commit | 8a850cadca0e387c87a0911a61e99fd66aeb57ec (patch) | |
| tree | 9a5de0cd113edde3dad5d6970818d03ce37c2060 /tools/perf/scripts/python/syscall-counts.py | |
| parent | 9ceb1c3d1fe15c2f9b55eaa8978019ef0e0a06ac (diff) | |
perf event, x86: Use better stalled cycles metric
Use the UOPS_EXECUTED.*,c=1,i=1 event on Intel CPUs - it is a rather
good indicator of CPU execution stalls, more sensitive and more inclusive
than the 0xa2 resource stalls event (which does not count nearly as many
stall types).
Cc: Peter Zijlstra <[email protected]>
Cc: Arnaldo Carvalho de Melo <[email protected]>
Cc: Frederic Weisbecker <[email protected]>
Link: http://lkml.kernel.org/n/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/syscall-counts.py')
0 files changed, 0 insertions, 0 deletions