| Message ID | 20250419025504.9760-1-ricardo.neri-calderon@linux.intel.com |
|---|---|
| Headers | show |
| Series | topology/sysfs, cpufreq/intel_pstate: Populate cpu_capacity | expand |
On Sat, Apr 19, 2025 at 4:49 AM Ricardo Neri <ricardo.neri-calderon@linux.intel.com> wrote: > > Hi, > > Capacity-aware scheduling is now supported on Intel hybrid processors. It > makes sense now to populate the interface /sys/devices/system/cpu/cpuN/ > cpu_capacity. User space entities can use this information to implement > policy such as utilization clamps. > > This interface currently lives in arch_topology.c. Rather than implementing > the interface again for x86, we can move it to a common location in > topology.c from which other architectures can also benefit and populate > using their own mechanisms. > > I tested this patchset on Intel Alder Lake and DragonBoard 845c. The > interfaces are populated correctly. > > I'd appreciate any feedback! > > Thanks and BR, > Ricardo > Ricardo Neri (2): > arch_topology: Relocate cpu_scale to topology.[h|c] > cpufreq: intel_pstate: Populate the cpu_capacity sysfs entries > > drivers/base/arch_topology.c | 52 ---------------------------------- > drivers/base/topology.c | 52 ++++++++++++++++++++++++++++++++++ > drivers/cpufreq/intel_pstate.c | 2 ++ > include/linux/arch_topology.h | 8 ------ > include/linux/topology.h | 9 ++++++ > 5 files changed, 63 insertions(+), 60 deletions(-) > > -- Both patches applied as 6.16 material, thanks!