Re: [PATCH v3 7/8] perf cs-etm: Detect pid in VMID for kernel running at EL2

2021-02-08 Thread Mathieu Poirier
On Sat, Feb 06, 2021 at 11:08:32PM +0800, Leo Yan wrote: > From: Suzuki K Poulose > > The PID of the task could be traced as VMID when the kernel is running > at EL2. Teach the decoder to look for VMID when the CONTEXTIDR (Arm32) > or CONTEXTIDR_EL1 (Arm64) is invalid but we have a valid VMID. >

[PATCH v3 7/8] perf cs-etm: Detect pid in VMID for kernel running at EL2

2021-02-06 Thread Leo Yan
From: Suzuki K Poulose The PID of the task could be traced as VMID when the kernel is running at EL2. Teach the decoder to look for VMID when the CONTEXTIDR (Arm32) or CONTEXTIDR_EL1 (Arm64) is invalid but we have a valid VMID. Cc: Mike Leach Cc: Mathieu Poirier Cc: Al Grant Signed-off-by: S