Messages in this thread | | | Subject | Re: [PATCH 0/2] arm64: perf: Expose Cortex-A53 micro architectural events | From | Florian Fainelli <> | Date | Fri, 5 Apr 2019 09:14:55 -0700 |
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On 4/5/19 5:36 AM, Jiri Olsa wrote: > On Fri, Apr 05, 2019 at 10:36:20AM +0100, Robin Murphy wrote: >> 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? > > right, we store events in perf tools in json files, please > check commits changelogs under tools/perf/pmu-events/arch
Whoops, indeed no reason for making them part of the kernel, I will investigate why the build system did not copy those files and update them as necessary, thanks both for your feedback. -- Florian
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