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

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 <redacted>
---
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