Messages in this thread | | | Date | Tue, 10 May 2022 20:21:12 +0300 | Subject | Re: [PATCH V2 01/23] perf intel-pt: Add a test for system-wide side band | From | Adrian Hunter <> |
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On 10/05/22 20:18, Arnaldo Carvalho de Melo wrote: > Em Fri, May 06, 2022 at 03:25:39PM +0300, Adrian Hunter escreveu: >> Add a test for system-wide side band even when tracing selected CPUs. >> >> Tested-by: Ian Rogers <irogers@google.com> >> Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> > > > [root@quaco ~]# uname -a > Linux quaco 5.16.13-200.fc35.x86_64 #1 SMP PREEMPT Tue Mar 8 22:50:58 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux > [root@quaco ~]# grep -m1 -i "model name" /proc/cpuinfo > model name : Intel(R) Core(TM) i7-8650U CPU @ 1.90GHz > [root@quaco ~]# perf test -v Misc > 97: Miscellaneous Intel PT testing : > --- start --- > test child forked, pid 769475 > [ perf record: Woken up 1 times to write data ] > [ perf record: Captured and wrote 1.352 MB /tmp/tmp.Ty4Rqnz4vz ] > [ perf record: Woken up 1 times to write data ] > [ perf record: Captured and wrote 1.352 MB /tmp/tmp.Ty4Rqnz4vz ] > Linux > [ perf record: Woken up 1 times to write data ] > [ perf record: Captured and wrote 1.446 MB /tmp/tmp.TnEqenwzZv ] > Failed to record MMAP events on CPU 1 when tracing CPU 0 > test child finished with -1 > ---- end ---- > Miscellaneous Intel PT testing: FAILED! > [root@quaco ~]# > > Do I need some more recent machine or kernel?
I put it only in the cover letter sorry but "The first patch is a small Intel PT test for system-wide side band. The test fails before the patches are applied, passed afterwards."
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