Re: [PATCH v4 09/12] perf record: document parallel data streaming mode

2021-04-08 Thread Andi Kleen
> +--threads=:: > +Write collected trace data into several data files using parallel threads. > + value can be user defined list of masks. Masks separated by colon > +define cpus to be monitored by a thread and affinity mask of that thread > +is separated by slash. For example user specification

[PATCH v4 09/12] perf record: document parallel data streaming mode

2021-04-06 Thread Bayduraev, Alexey V
Document --threads option syntax and parallel data streaming modes in Documentation/perf-record.txt. Implement compatibility checks for other modes and related command line options: asynchronous(--aio) trace streaming and affinity (--affinity) modes, pipe mode, AUX area tracing --snapshot and