]> git.baikalelectronics.ru Git - kernel.git/commit
perf, arch: Add generic NODE cache events
authorPeter Zijlstra <peterz@infradead.org>
Fri, 22 Apr 2011 21:37:06 +0000 (23:37 +0200)
committerIngo Molnar <mingo@elte.hu>
Fri, 1 Jul 2011 09:06:38 +0000 (11:06 +0200)
commitbbcdb9a6dc3d987e0b050dbd01f44446d3f141cc
tree89ec2fb7944dbf79ccb5d1a47f6117cd9c8b617f
parentebb34ce8a283e891a4ddadd99d5044b27076cd83
perf, arch: Add generic NODE cache events

Add a NODE level to the generic cache events which is used to measure
local vs remote memory accesses. Like all other cache events, an
ACCESS is HIT+MISS, if there is no way to distinguish between reads
and writes do reads only etc..

The below needs filling out for !x86 (which I filled out with
unsupported events).

I'm fairly sure ARM can leave it like that since it doesn't strike me as
an architecture that even has NUMA support. SH might have something since
it does appear to have some NUMA bits.

Sparc64, PowerPC and MIPS certainly want a good look there since they
clearly are NUMA capable.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: David Miller <davem@davemloft.net>
Cc: Anton Blanchard <anton@samba.org>
Cc: David Daney <ddaney@caviumnetworks.com>
Cc: Deng-Cheng Zhu <dengcheng.zhu@gmail.com>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Robert Richter <robert.richter@amd.com>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1303508226.4865.8.camel@laptop
Signed-off-by: Ingo Molnar <mingo@elte.hu>
19 files changed:
arch/arm/kernel/perf_event_v6.c
arch/arm/kernel/perf_event_v7.c
arch/arm/kernel/perf_event_xscale.c
arch/mips/kernel/perf_event_mipsxx.c
arch/powerpc/kernel/e500-pmu.c
arch/powerpc/kernel/mpc7450-pmu.c
arch/powerpc/kernel/power4-pmu.c
arch/powerpc/kernel/power5+-pmu.c
arch/powerpc/kernel/power5-pmu.c
arch/powerpc/kernel/power6-pmu.c
arch/powerpc/kernel/power7-pmu.c
arch/powerpc/kernel/ppc970-pmu.c
arch/sh/kernel/cpu/sh4/perf_event.c
arch/sh/kernel/cpu/sh4a/perf_event.c
arch/sparc/kernel/perf_event.c
arch/x86/kernel/cpu/perf_event_amd.c
arch/x86/kernel/cpu/perf_event_intel.c
arch/x86/kernel/cpu/perf_event_p4.c
include/linux/perf_event.h