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perf/x86: Export PEBS load latency threshold register to sysfs

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Make the PEBS Load Latency threshold register layout
and encoding visible to user level tools.

Signed-off-by: Stephane Eranian <eranian@google.com>
Cc: peterz@infradead.org
Cc: ak@linux.intel.com
Cc: acme@redhat.com
Cc: jolsa@redhat.com
Cc: namhyung.kim@lge.com
Link: http://lkml.kernel.org/r/1359040242-8269-10-git-send-email-eranian@google.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Stephane Eranian 2013-01-24 16:10:33 +01:00 committed by Arnaldo Carvalho de Melo
parent f20093eef5
commit a63fcab452
1 changed files with 3 additions and 0 deletions
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3
arch/x86/kernel/cpu/perf_event_intel.c
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@ -1781,6 +1781,8 @@ static void intel_pmu_flush_branch_stack(void)
PMU_FORMAT_ATTR(offcore_rsp, "config1:0-63");
PMU_FORMAT_ATTR(ldlat, "config1:0-15");
static struct attribute *intel_arch3_formats_attr[] = {
&format_attr_event.attr,
&format_attr_umask.attr,
@ -1791,6 +1793,7 @@ static struct attribute *intel_arch3_formats_attr[] = {
&format_attr_cmask.attr,
&format_attr_offcore_rsp.attr, /* XXX do NHM/WSM + SNB breakout */
&format_attr_ldlat.attr, /* PEBS load latency */
NULL,
};