Re: [PATCH 5/7] perf test: test_intel_pt.sh: Add jitdump test

[Arnaldo Carvalho de Melo <acme@kernel.org>]

Em Fri, Oct 14, 2022 at 02:32:19PM -0300, Arnaldo Carvalho de Melo escreveu:
> Em Fri, Oct 14, 2022 at 02:28:58PM -0300, Arnaldo Carvalho de Melo escreveu:
> > Miscellaneous Intel PT testing: Ok
 
> Actually:
 
> --- Test tracing self-modifying code that uses jitdump ---
> [ perf record: Woken up 1 times to write data ]
> [ perf record: Captured and wrote 0.018 MB /tmp/perf-test-intel-pt-sh.GJoKOxGVFY/tmp-perf.data ]
> 
> Warning:
> 1 instruction trace errors
> /home/acme/git/perf
> Decode failed, 1 errors
> Warning:
> 1 instruction trace errors
>  instruction trace error type 1 time 494778.777081924 cpu 3 pid 309650 tid 309650 ip 0x7f0972f22009 code 5: Failed to get instruction
> --- Cleaning up ---
> --- Done ---
> test child finished with -1
> ---- end ----
> Miscellaneous Intel PT testing: FAILED!
> [root@quaco perf]#
> [root@quaco perf]# pwd
> /home/acme/git/perf

I see... nevermind, this is what is expected, failing now, then the fix,
then stops failing, nothing to see here, move along 8-)

- Arnaldo