tools/perf/perf-archive.sh

0001 #!/bin/bash
0002 # SPDX-License-Identifier: GPL-2.0
0003 # perf archive
0004 # Arnaldo Carvalho de Melo <acme@redhat.com>
0005
0006 PERF_DATA=perf.data
0007 if [ $# -ne 0 ] ; then
0008         PERF_DATA=$1
0009 fi
0010
0011 #
0012 # PERF_BUILDID_DIR environment variable set by perf
0013 # path to buildid directory, default to $HOME/.debug
0014 #
0015 if [ -z $PERF_BUILDID_DIR ]; then
0016         PERF_BUILDID_DIR=~/.debug/
0017 else
0018         # append / to make substitutions work
0019         PERF_BUILDID_DIR=$PERF_BUILDID_DIR/
0020 fi
0021
0022 BUILDIDS=$(mktemp /tmp/perf-archive-buildids.XXXXXX)
0023
0024 perf buildid-list -i $PERF_DATA --with-hits | grep -v "^ " > $BUILDIDS
0025 if [ ! -s $BUILDIDS ] ; then
0026         echo "perf archive: no build-ids found"
0027         rm $BUILDIDS || true
0028         exit 1
0029 fi
0030
0031 MANIFEST=$(mktemp /tmp/perf-archive-manifest.XXXXXX)
0032 PERF_BUILDID_LINKDIR=$(readlink -f $PERF_BUILDID_DIR)/
0033
0034 cut -d ' ' -f 1 $BUILDIDS | \
0035 while read build_id ; do
0036         linkname=$PERF_BUILDID_DIR.build-id/${build_id:0:2}/${build_id:2}
0037         filename=$(readlink -f $linkname)
0038         echo ${linkname#$PERF_BUILDID_DIR} >> $MANIFEST
0039         echo ${filename#$PERF_BUILDID_LINKDIR} >> $MANIFEST
0040 done
0041
0042 tar cjf $PERF_DATA.tar.bz2 -C $PERF_BUILDID_DIR -T $MANIFEST
0043 rm $MANIFEST $BUILDIDS || true
0044 echo -e "Now please run:\n"
0045 echo -e "$ tar xvf $PERF_DATA.tar.bz2 -C ~/.debug\n"
0046 echo "wherever you need to run 'perf report' on."
0047 exit 0