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Linux/tools/perf/perf-archive.sh

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  1 #!/bin/bash
  2 # SPDX-License-Identifier: GPL-2.0
  3 # perf archive
  4 # Arnaldo Carvalho de Melo <acme@redhat.com>
  5 
  6 PERF_DATA=perf.data
  7 if [ $# -ne 0 ] ; then
  8         PERF_DATA=$1
  9 fi
 10 
 11 #
 12 # PERF_BUILDID_DIR environment variable set by perf
 13 # path to buildid directory, default to $HOME/.debug
 14 #
 15 if [ -z $PERF_BUILDID_DIR ]; then
 16         PERF_BUILDID_DIR=~/.debug/
 17 else
 18         # append / to make substitutions work
 19         PERF_BUILDID_DIR=$PERF_BUILDID_DIR/
 20 fi
 21 
 22 BUILDIDS=$(mktemp /tmp/perf-archive-buildids.XXXXXX)
 23 NOBUILDID=0000000000000000000000000000000000000000
 24 
 25 perf buildid-list -i $PERF_DATA --with-hits | grep -v "^$NOBUILDID " > $BUILDIDS
 26 if [ ! -s $BUILDIDS ] ; then
 27         echo "perf archive: no build-ids found"
 28         rm $BUILDIDS || true
 29         exit 1
 30 fi
 31 
 32 MANIFEST=$(mktemp /tmp/perf-archive-manifest.XXXXXX)
 33 PERF_BUILDID_LINKDIR=$(readlink -f $PERF_BUILDID_DIR)/
 34 
 35 cut -d ' ' -f 1 $BUILDIDS | \
 36 while read build_id ; do
 37         linkname=$PERF_BUILDID_DIR.build-id/${build_id:0:2}/${build_id:2}
 38         filename=$(readlink -f $linkname)
 39         echo ${linkname#$PERF_BUILDID_DIR} >> $MANIFEST
 40         echo ${filename#$PERF_BUILDID_LINKDIR} >> $MANIFEST
 41 done
 42 
 43 tar cjf $PERF_DATA.tar.bz2 -C $PERF_BUILDID_DIR -T $MANIFEST
 44 rm $MANIFEST $BUILDIDS || true
 45 echo -e "Now please run:\n"
 46 echo -e "$ tar xvf $PERF_DATA.tar.bz2 -C ~/.debug\n"
 47 echo "wherever you need to run 'perf report' on."
 48 exit 0

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