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Date: Fri, 5 Apr 2019 10:36:20 +0100 From: Robin Murphy <robin.murphy@....com> To: Florian Fainelli <f.fainelli@...il.com>, linux-arm-kernel@...ts.infradead.org Cc: Mark Rutland <mark.rutland@....com>, Peter Zijlstra <peterz@...radead.org>, Catalin Marinas <catalin.marinas@....com>, Will Deacon <will.deacon@....com>, "open list:PERFORMANCE EVENTS SUBSYSTEM" <linux-kernel@...r.kernel.org>, Arnaldo Carvalho de Melo <acme@...nel.org>, Alexander Shishkin <alexander.shishkin@...ux.intel.com>, Ingo Molnar <mingo@...hat.com>, Namhyung Kim <namhyung@...nel.org>, Jiri Olsa <jolsa@...hat.com> Subject: Re: [PATCH 0/2] arm64: perf: Expose Cortex-A53 micro architectural events Hi Florian, On 05/04/2019 00:25, Florian Fainelli wrote: > Hi all, > > This patch series adds support for the Cortex-A53 micro architectural > events that I recently had to use for some debugging exercise. > > Events from 0xC0 - 0xD2 are exposed, others could easily be added later > if we wanted to. As far as I'm aware (which admittedly is not all-the-way far) these events should already be understood by userspace, per tools/perf/pmu-events/arch/arm64/arm/cortex-a53/* - is there a specific reason to need in-kernel definitions? Robin. > > Thanks! > > Florian Fainelli (2): > arm64: perf: Group common ARMv8 v3 PMU events in a macro > arm64: perf: Expose Cortex-A53 micro architectural events > > arch/arm64/kernel/perf_event.c | 241 ++++++++++++++++++++++++--------- > 1 file changed, 179 insertions(+), 62 deletions(-) >
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