tools/perf/perf-archive.sh

   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