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awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/tools/perf/perf-archive.sh
10820 views
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#!/bin/bash

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# perf archive

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# Arnaldo Carvalho de Melo <[email protected]>

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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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#

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# PERF_BUILDID_DIR environment variable set by perf

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# path to buildid directory, default to $HOME/.debug

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#

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if [ -z $PERF_BUILDID_DIR ]; then

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	PERF_BUILDID_DIR=~/.debug/

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else

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        # append / to make substitutions work

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        PERF_BUILDID_DIR=$PERF_BUILDID_DIR/

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fi

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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=$PERF_BUILDID_DIR.build-id/${build_id:0:2}/${build_id:2}

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	filename=$(readlink -f $linkname)

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	echo ${linkname#$PERF_BUILDID_DIR} >> $MANIFEST

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	echo ${filename#$PERF_BUILDID_DIR} >> $MANIFEST

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done

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tar cfj $PERF_DATA.tar.bz2 -C $PERF_BUILDID_DIR -T $MANIFEST

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rm -f $MANIFEST $BUILDIDS

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echo -e "Now please run:\n"

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echo -e "$ tar xvf $PERF_DATA.tar.bz2 -C ~/.debug\n"

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echo "wherever you need to run 'perf report' on."

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exit 0

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