Em Tue, Nov 29, 2016 at 11:58:03AM -0700, David Ahern escreveu: > On 11/29/16 11:56 AM, Arnaldo Carvalho de Melo wrote: > > Em Tue, Nov 29, 2016 at 10:15:44AM -0700, David Ahern escreveu: > >> Add option to allow user to control analysis window. e.g., collect data > >> for time window and analyze a segment of interest within that window. > > Trying to test this I got: > > > > [root@jouet ~]# perf sched timehist > > No trace sample to read. Did you call 'perf record -R'? > > [root@jouet ~]# > > > > Could you please provide a better error message? > > sure, but that error is unrelated to this patch set.
I haven't said it was... 8-) This patchset is processed and pushed out, just doing a 'make -C tools/perf build-test' + perf test + build on lots of containers pass before sending a pull req to Ingo, - Arnaldo > > > > The perf.data file had this: > > > > [root@jouet ~]# perf evlist -v > > cycles:ppp: size: 112, { sample_period, sample_freq }: 4000, sample_type: > > IP|TID|TIME|CALLCHAIN|CPU|PERIOD, disabled: 1, inherit: 1, mmap: 1, comm: > > 1, freq: 1, task: 1, precise_ip: 3, sample_id_all: 1, exclude_guest: 1, > > mmap2: 1, comm_exec: 1 > > [root@jouet ~]#