[RFC PATCH 00/20] Coresight integration with perf
mathieu.poirier at linaro.org
Thu Oct 1 15:12:44 PDT 2015
On 30 September 2015 at 03:01, Alexander Shishkin
<alexander.shishkin at linux.intel.com> wrote:
> Mathieu Poirier <mathieu.poirier at linaro.org> writes:
>> This patchset aims to integrate configuration and control of
>> the Coresight tracers with the perf sub-system.
>> The goal is to use PMUs to represent tracers and the auxiliary
>> buffer enhancement to collect processor traces. As such a lot
>> of work is done to move the current Coresight sysFS oriented
>> configuration and control commands to perf's AUX API.
>> For the time being the work concentrates on ETMv3 and ETB1.0
>> sink buffers. Work on ETMv4 and other type of sink buffers
>> will follow once a foundation has been established.
> Also this patchset doesn't seem to apply to tip/perf/core, v4.3-rc3,
> v4.2. What is it based on? Do you have a git branch with these patches
> as well?
The kernel space portion applied to v4.3-rc1. I had to keep the user
space side on a private branch based on v4.2 since v4.3-rc1 didn't
have a few fix from Adrian. V2 will be based on v4.3-rc4 and have all
the patches (user and kernel space) on the same tree.
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