6630125419
To avoid these error: [root@doppio ~]# perf archive tar: .build-id/00/00000000000000000000000000000000000000: Cannot stat: No such file or directory tar: .build-id/00/00000000000000000000000000000000000000: Cannot stat: No such file or directory tar: .build-id/00/00000000000000000000000000000000000000: Cannot stat: No such file or directory tar: .build-id/00/00000000000000000000000000000000000000: Cannot stat: No such file or directory tar: Exiting with failure status due to previous errors [root@doppio ~]# More work is needed to support archiving symtabs for binaries without a build-id, perhaps creating a perf.data UUID + adding build-ids for the binaries copied into the cache and then have this perf.data session UUID be a directory with symlinks to the by now calculated build-id of the files inside it. Or just do an extra pass and insert the calculated build-ids in the perf.data header. Reported-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Frédéric Weisbecker <fweisbec@gmail.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Paul Mackerras <paulus@samba.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
33 lines
815 B
Bash
33 lines
815 B
Bash
#!/bin/bash
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# perf archive
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# Arnaldo Carvalho de Melo <acme@redhat.com>
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PERF_DATA=perf.data
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if [ $# -ne 0 ] ; then
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PERF_DATA=$1
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fi
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DEBUGDIR=~/.debug/
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BUILDIDS=$(mktemp /tmp/perf-archive-buildids.XXXXXX)
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NOBUILDID=0000000000000000000000000000000000000000
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perf buildid-list -i $PERF_DATA --with-hits | grep -v "^$NOBUILDID " > $BUILDIDS
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if [ ! -s $BUILDIDS ] ; then
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echo "perf archive: no build-ids found"
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rm -f $BUILDIDS
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exit 1
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fi
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MANIFEST=$(mktemp /tmp/perf-archive-manifest.XXXXXX)
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cut -d ' ' -f 1 $BUILDIDS | \
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while read build_id ; do
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linkname=$DEBUGDIR.build-id/${build_id:0:2}/${build_id:2}
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filename=$(readlink -f $linkname)
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echo ${linkname#$DEBUGDIR} >> $MANIFEST
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echo ${filename#$DEBUGDIR} >> $MANIFEST
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done
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tar cfj $PERF_DATA.tar.bz2 -C $DEBUGDIR -T $MANIFEST
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rm -f $MANIFEST $BUILDIDS
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exit 0
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