
On Chrome OS, energy metrics collection works the same way as on Linux, which also gets data from perf event and requires '/proc/sys/kernel/perf_event_paranoid' set to 0. Modifying the paranoid's value needs sudo permission, so it requires developer mode to use SystemPowerMonitor on Chrome OS. Bug: 1385251 Change-Id: Id9e20d54d8e969988c308c78f7795a0bfe472404 Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4550470 Reviewed-by: Francois Pierre Doray <fdoray@chromium.org> Commit-Queue: Shiyi Zou <shiyi.zou@intel.com> Reviewed-by: Mark Pearson <mpearson@chromium.org> Cr-Commit-Position: refs/heads/main@{#1152314}