On Thu, 7 Oct 2021 13:21:21 +0530, Athira Rajeev wrote: > From: Athira Rajeev <atraj...@linux.vnet.ibm.cm> > > In power9 and before platforms, the default event used for cyles and > instructions is PM_CYC (0x0001e) and PM_INST_CMPL (0x00002) respectively. > These events uses two programmable PMCs and by default will count > irrespective of the run latch state. But since it is using programmable > PMCs, these events will cause multiplexing with basic event set supported > by perf stat. Hence in power10, performance monitoring unit (PMU) driver > uses performance monitor counter 5 (PMC5) and performance monitor counter6 > (PMC6) for counting instructions and cycles. > > [...]
Applied to powerpc/next. [1/1] powerpc/perf: Fix cycles/instructions as PM_CYC/PM_INST_CMPL in power10 https://git.kernel.org/powerpc/c/8f6aca0e0f26eaaee670cd27896993a45cdc8f9e cheers