Re: [PATCH v5 04/19] perf: aux: Add CoreSight PMU buffer formats

2021-04-19 Thread Peter Zijlstra
On Mon, Mar 29, 2021 at 10:56:25AM -0600, Mathieu Poirier wrote: > Hi Peter, > > On Tue, Mar 23, 2021 at 12:06:32PM +, Suzuki K Poulose wrote: > > CoreSight PMU supports aux-buffer for the ETM tracing. The trace > > generated by the ETM (associated with individual CPUs, like Intel PT) > > is c

Re: [PATCH v5 04/19] perf: aux: Add CoreSight PMU buffer formats

2021-03-29 Thread Mathieu Poirier
Hi Peter, On Tue, Mar 23, 2021 at 12:06:32PM +, Suzuki K Poulose wrote: > CoreSight PMU supports aux-buffer for the ETM tracing. The trace > generated by the ETM (associated with individual CPUs, like Intel PT) > is captured by a separate IP (CoreSight TMC-ETR/ETF until now). > > The TMC-ETR

[PATCH v5 04/19] perf: aux: Add CoreSight PMU buffer formats

2021-03-23 Thread Suzuki K Poulose
CoreSight PMU supports aux-buffer for the ETM tracing. The trace generated by the ETM (associated with individual CPUs, like Intel PT) is captured by a separate IP (CoreSight TMC-ETR/ETF until now). The TMC-ETR applies formatting of the raw ETM trace data, as it can collect traces from multiple ET