Add libpfm support to Google Benchmark

This enables support for reporting hardware performance counters with
benchmark results.

Change-Id: I1ff6b2ea9c7ad0c7db1f24a02657ab0c684323c5
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6932868
Reviewed-by: Nico Weber <thakis@chromium.org>
Commit-Queue: Kevin Graney <kmg@google.com>
Reviewed-by: Rachael Newitt <renewitt@google.com>
Cr-Commit-Position: refs/heads/main@{#1514344}
NOKEYCHECK=True
GitOrigin-RevId: c38725a0e23f206f11ed72be271075ca0b61a6d7
1 file changed
tree: ab8ccb5dce77f342ff87354b08fb402c9545822a
  1. BUILD.gn
  2. DIR_METADATA
  3. OWNERS
  4. README.chromium