OSDN Git Service
(root)
/
sagit-ice-cold
/
kernel_xiaomi_msm8998.git
/ commitdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
| commitdiff |
tree
raw
|
patch
| inline |
side by side
(parent:
c0737ce
)
perf/x86: Add INTEL_FLAGS_UEVENT_CONSTRAINT
author
Andi Kleen
<ak@linux.intel.com>
Wed, 24 Sep 2014 14:34:46 +0000
(07:34 -0700)
committer
Ingo Molnar
<mingo@kernel.org>
Sun, 16 Nov 2014 10:41:54 +0000
(11:41 +0100)
Add a FLAGS_UEVENT_CONSTRAINT macro that allows us to
match on event+umask, and in additional all flags.
This is needed to ensure the INV and CMASK fields
are zero for specific events, as this can cause undefined
behavior.
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Kan Liang <kan.liang@intel.com>
Cc: Maria Dimakopoulou <maria.n.dimakopoulou@gmail.com>
Cc: Mark Davies <junk@eslaf.co.uk>
Cc: Stephane Eranian <eranian@google.com>
Link:
http://lkml.kernel.org/r/1411569288-5627-1-git-send-email-andi@firstfloor.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
arch/x86/kernel/cpu/perf_event.h
patch
|
blob
|
history
diff --git
a/arch/x86/kernel/cpu/perf_event.h
b/arch/x86/kernel/cpu/perf_event.h
index
fc5eb39
..
4e6cdb0
100644
(file)
--- a/
arch/x86/kernel/cpu/perf_event.h
+++ b/
arch/x86/kernel/cpu/perf_event.h
@@
-253,6
+253,10
@@
struct cpu_hw_events {
#define INTEL_UEVENT_CONSTRAINT(c, n) \
EVENT_CONSTRAINT(c, n, INTEL_ARCH_EVENT_MASK)
+/* Like UEVENT_CONSTRAINT, but match flags too */
+#define INTEL_FLAGS_UEVENT_CONSTRAINT(c, n) \
+ EVENT_CONSTRAINT(c, n, INTEL_ARCH_EVENT_MASK|X86_ALL_EVENT_FLAGS)
+
#define INTEL_PLD_CONSTRAINT(c, n) \
__EVENT_CONSTRAINT(c, n, INTEL_ARCH_EVENT_MASK|X86_ALL_EVENT_FLAGS, \
HWEIGHT(n), 0, PERF_X86_EVENT_PEBS_LDLAT)