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(parent: 1ac7fd8) | patch
perf/x86/intel/lbr: Add static_branch for LBR INFO flags
authorPeter Zijlstra (Intel) <peterz@infradead.org>
Tue, 4 Jan 2022 16:51:17 +0000 (08:51 -0800)
committerPeter Zijlstra <peterz@infradead.org>
Tue, 18 Jan 2022 11:09:49 +0000 (12:09 +0100)
commit6b19788ddc5937831ffd27525a1b793953fd2d2b
treed26d7fd80203afdddcf1e527a0b170b773268abatree | snapshot
parent1ac7fd8159a842b3aa51f0b46a351fa3eeb8fbf3commit | diff
perf/x86/intel/lbr: Add static_branch for LBR INFO flags

Using static_branch to replace the LBR INFO flags to optimize the LBR
INFO parsing.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Kan Liang <kan.liang@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Tested-by: Kan Liang <kan.liang@linux.intel.com>
Link: https://lkml.kernel.org/r/1641315077-96661-2-git-send-email-peterz@infradead.org
arch/x86/events/intel/lbr.c diff | blob | history
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