Re: [PATCH v4 03/15] perf tools script: Filter COMM/FORK/.. events by CPU

2019-03-08 Thread Andi Kleen
On Fri, Mar 08, 2019 at 10:39:01AM -0300, Arnaldo Carvalho de Melo wrote: > Em Thu, Mar 07, 2019 at 12:02:31PM +0100, Jiri Olsa escreveu: > > On Wed, Mar 06, 2019 at 04:23:40PM +0200, Adrian Hunter wrote: > > > On 5/03/19 4:47 PM, Andi Kleen wrote: > > > > From: Andi Kleen > > > > > > > > The --c

Re: [PATCH v4 03/15] perf tools script: Filter COMM/FORK/.. events by CPU

2019-03-08 Thread Arnaldo Carvalho de Melo
Em Thu, Mar 07, 2019 at 12:02:31PM +0100, Jiri Olsa escreveu: > On Wed, Mar 06, 2019 at 04:23:40PM +0200, Adrian Hunter wrote: > > On 5/03/19 4:47 PM, Andi Kleen wrote: > > > From: Andi Kleen > > > > > > The --cpu option only filtered samples. Filter other perf events, > > > such as COMM, FORK, S

Re: [PATCH v4 03/15] perf tools script: Filter COMM/FORK/.. events by CPU

2019-03-07 Thread Jiri Olsa
On Wed, Mar 06, 2019 at 04:23:40PM +0200, Adrian Hunter wrote: > On 5/03/19 4:47 PM, Andi Kleen wrote: > > From: Andi Kleen > > > > The --cpu option only filtered samples. Filter other perf events, > > such as COMM, FORK, SWITCH by the CPU too. > > Because tasks can migrate from cpu to cpu, we p

Re: [PATCH v4 03/15] perf tools script: Filter COMM/FORK/.. events by CPU

2019-03-06 Thread Adrian Hunter
On 5/03/19 4:47 PM, Andi Kleen wrote: > From: Andi Kleen > > The --cpu option only filtered samples. Filter other perf events, > such as COMM, FORK, SWITCH by the CPU too. Because tasks can migrate from cpu to cpu, we probably need to process most of the events anyway, even if they are not print