[PATCH v8] perf: add qcom l2 cache perf events driver

Leeder, Neil nleeder at codeaurora.org
Sun Jan 29 19:16:36 PST 2017


Has anyone had a chance to look at this yet - I'd appreciate any comments.

Thanks,
Neil

On 1/16/2017 1:52 PM, Neil Leeder wrote:
> Adds perf events support for L2 cache PMU.
>
> The L2 cache PMU driver is named 'l2cache_0' and can be used
> with perf events to profile L2 events such as cache hits
> and misses on Qualcomm Technologies processors.
>
> Signed-off-by: Neil Leeder <nleeder at codeaurora.org>
> ---
> v8:
> Various style changes for function names & code restructuring
> Replace dev_warn with ratelimited debug prints
> Move hotplug registration before PMU registration
> Reload counters with a fixed value
> Add column-exclusion check for events in same group
> Rebase on 4.10-rc3



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