Re: [PATCH v7 0/5] bpf: Introduce the new ability of eBPF programs to access hardware PMU counter

From: Kaixu Xia <redacted>
Date: Thu, 6 Aug 2015 07:02:31 +0000

The detail of patches is as follow:

Patch 1/5 add the necessary core perf APIs perf_event_attrs(),
perf_event_get(),perf_event_read_local() when accessing events
counters in eBPF programs

Patch 2/5 rewrites part of the bpf_prog_array map code and make it
more generic;

Patch 3/5 introduces a new bpf map type. This map only stores the
pointer to struct perf_event;

Patch 4/5 implements function bpf_perf_event_read() that get the
selected hardware PMU conuter;

Patch 5/5 gives a simple example.

Series applied, thanks.