linux-kernel - Re: [PATCH] perf/test: reduce run time of perf test Test java symbol

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Date:   Tue, 9 May 2023 15:16:35 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Ian Rogers <irogers@...gle.com>
Cc:     Thomas Richter <tmricht@...ux.ibm.com>, jolsa@...nel.org,
        linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org,
        leo.yan@...aro.org, svens@...ux.ibm.com, gor@...ux.ibm.com,
        sumanthk@...ux.ibm.com, hca@...ux.ibm.com
Subject: Re: [PATCH] perf/test: reduce run time of perf test Test java symbol

Em Tue, May 09, 2023 at 03:10:58PM -0300, Arnaldo Carvalho de Melo escreveu:
> > On Tue, May 9, 2023 at 6:19 AM Thomas Richter <tmricht@...ux.ibm.com> wrote:
> > > -if ! perf inject -i $PERF_DATA -o $PERF_INJ_DATA -j; then
> > > +if ! DEBUGINFOD_URLS='' perf inject -i $PERF_DATA -o $PERF_INJ_DATA -j; then
 
> I noticed this delay, It is good that someone worked on rootcausing this
> excessive delay, thanks Thomas.
> 
> I'll test it now.

gdb asks the user if debuginfod should be used, perf is doing this if
the system is configured for debuginfod queries via a systemwide config,
what is best? Unsure, but since the test passes, i.e. the expected
symbols are found in the 'perf report' output, avoiding debuginfod
queries seems to fit the bill,

Applied,

- Arnaldo