Messages in this thread | | | Date | Tue, 5 Sep 2017 15:52:51 -0300 | From | Arnaldo Carvalho de Melo <> | Subject | Re: [PATCH v3 06/11] perf, tools, stat: Support JSON metrics in perf stat |
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Em Tue, Sep 05, 2017 at 11:19:52AM -0700, Andi Kleen escreveu: > On Tue, Sep 05, 2017 at 03:09:19PM -0300, Arnaldo Carvalho de Melo wrote: > > Em Mon, Sep 04, 2017 at 10:37:25AM -0700, Andi Kleen escreveu: > > > But you can get it here
> > > git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-misc.git perf/intel-json-metrics-2
> > Ok, so I tried installing the Broadwell ones (one of my test machines) > > and got into:
> I would suggest to apply all the patches from the patchkit before you test. > Some of the later ones add/fix stuff needed by some of the metrics. > > > > > [root@jouet ~]# perf stat -M Pipeline flops > > bpf: builtin compilation failed: -95, try external compiler > > ERROR: problems with path cpu/uops_executed.c: No such file or directory > > Cannot set up events {uops_retired.retire_slots,inst_retired.any}:W,{inst_retired.any,cycles}:W,{uops_executed.thread,cpu/uops_executed.core,cmask=1/,uops_executed.cycles_ge_1_uop_exec}:W > > > > Usage: perf stat [<options>] [<command>] > > > > -M, --metrics <metric/metric group list> > > monitor specified metrics or metric groups (separated by ,) > > [root@jouet ~]# perf stat -M Pipeline flops > > > > > > Wasn't this already fixed? > > Yes that was supposed to be fixed with
> perf bpf: Tighten detection of BPF events > > perf stat -e cpu/uops_executed.core,cmask=1/
> I'll check.
Ok, I couldn't reproduce it anymore, after you check this, please let me know if I should pull that perf/intel-json-metrics-2 branch so that someone wanting to test this can have it all in one place, ok?
- Arnaldo
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