Messages in this thread Patch in this message | | | Date | Mon, 5 Mar 2018 12:21:40 +0000 | From | Mark Rutland <> | Subject | Re: [PATCH v2] perf/core: Add support for PMUs that can be read from more than 1 CPU |
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On Mon, Mar 05, 2018 at 12:17:02PM +0000, Mark Rutland wrote: > On Fri, Mar 02, 2018 at 05:14:53PM -0800, Saravana Kannan wrote:
> > @@ -629,6 +629,7 @@ struct perf_event { > > > > int oncpu; > > int cpu; > > + cpumask_t readable_on_cpus; > > For most PMUs, this will be emptry, and it's potentially *very* large > (e.g. on systems where NR_CPUS is 4096). Please use a poitner to a mask, > as I suggested in [1], e.g.
> [1] https://lkml.kernel.org/r/20171128124534.3jvuala525wvn64r@wfg-t540p.sh.intel.com
Whoops, that should've been:
[1] https://lkml.kernel.org/r/20180225143802.denbkubqjg2dc7af@salmiak
Mark.
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