1*999d7c47SAthira RajeevWhat: /sys/bus/event_source/devices/<dev>/caps 2*999d7c47SAthira RajeevDate: May 2022 3*999d7c47SAthira RajeevKernelVersion: 5.19 4*999d7c47SAthira RajeevContact: Linux kernel mailing list <linux-kernel@vger.kernel.org> 5*999d7c47SAthira RajeevDescription: 6*999d7c47SAthira Rajeev Attribute group to describe the capabilities exposed 7*999d7c47SAthira Rajeev for a particular pmu. Each attribute of this group can 8*999d7c47SAthira Rajeev expose information specific to a PMU, say pmu_name, so that 9*999d7c47SAthira Rajeev userspace can understand some of the feature which the 10*999d7c47SAthira Rajeev platform specific PMU supports. 11*999d7c47SAthira Rajeev 12*999d7c47SAthira Rajeev One of the example available capability in supported platform 13*999d7c47SAthira Rajeev like Intel is pmu_name, which exposes underlying CPU name known 14*999d7c47SAthira Rajeev to the PMU driver. 15*999d7c47SAthira Rajeev 16*999d7c47SAthira Rajeev Example output in powerpc: 17*999d7c47SAthira Rajeev grep . /sys/bus/event_source/devices/cpu/caps/* 18*999d7c47SAthira Rajeev /sys/bus/event_source/devices/cpu/caps/pmu_name:POWER9 19