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authorIngo Molnar <mingo@elte.hu>2011-04-28 11:16:44 +0200
committerIngo Molnar <mingo@elte.hu>2011-04-28 08:39:33 +0200
commit8a850cadca0e387c87a0911a61e99fd66aeb57ec (patch)
tree9a5de0cd113edde3dad5d6970818d03ce37c2060 /tools
parent9ceb1c3d1fe15c2f9b55eaa8978019ef0e0a06ac (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 <a.p.zijlstra@chello.nl> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Link: http://lkml.kernel.org/n/tip-7y40wib8n1eqio7hjpn2dsrm@git.kernel.org Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'tools')
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