diff options
| author | Srinivas Pandruvada <srinivas.pandruvada@intel.com> | 2022-02-03 16:03:05 -0800 |
|---|---|---|
| committer | Hans de Goede <hdegoede@redhat.com> | 2022-02-17 13:20:30 +0100 |
| commit | 414eef27283a2133a0998beb8e3e35f84eaac961 (patch) | |
| tree | 902e71fa1a73b546b73dc1ea8b640fd61c421605 /tools/perf/scripts/python/flamegraph.py | |
| parent | ae7b2ce578513adf0a77f0127e27ee4447d50443 (diff) | |
platform/x86/intel/uncore-freq: Display uncore current frequency
Add a new sysfs attribute "current_freq_khz" to display current uncore
frequency. This value is read from MSR 0x621.
Root user permission is required to read uncore current frequency.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@intel.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://lore.kernel.org/r/20220204000306.2517447-4-srinivas.pandruvada@linux.intel.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Diffstat (limited to 'tools/perf/scripts/python/flamegraph.py')
0 files changed, 0 insertions, 0 deletions