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673d188ba5
This patch updates the PEBS support for Intel Atom to provide an alias for the cycles:pp event used by perf record/top by default nowadays. On Atom, only INST_RETIRED:ANY supports PEBS, so we use this event instead with a large cmask to count cycles. Given that Core2 has the same issue, we use the intel_pebs_aliases_core2() function for Atom as well. Signed-off-by: Stephane Eranian <eranian@google.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Vince Weaver <vincent.weaver@maine.edu> Cc: kan.liang@intel.com Link: http://lkml.kernel.org/r/1449172990-30183-3-git-send-email-eranian@google.com Signed-off-by: Ingo Molnar <mingo@kernel.org> |
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