#!/bin/bash
# perf archive
# Arnaldo Carvalho de Melo <acme@redhat.com>

setglobal PERF_DATA = 'perf.data'
if test $Argc -ne 0  {
	setglobal PERF_DATA = $1
}

#
# PERF_BUILDID_DIR environment variable set by perf
# path to buildid directory, default to $HOME/.debug
#
if test -z $PERF_BUILDID_DIR {
	setglobal PERF_BUILDID_DIR = "~/.debug/"
} else {
        # append / to make substitutions work
        setglobal PERF_BUILDID_DIR = "$PERF_BUILDID_DIR/"
}

setglobal BUILDIDS = $[mktemp /tmp/perf-archive-buildids.XXXXXX]
setglobal NOBUILDID = '0000000000000000000000000000000000000000'

perf buildid-list -i $PERF_DATA --with-hits | grep -v "^$NOBUILDID " > $BUILDIDS
if test ! -s $BUILDIDS  {
	echo "perf archive: no build-ids found"
	rm $BUILDIDS || true
	exit 1
}

setglobal MANIFEST = $[mktemp /tmp/perf-archive-manifest.XXXXXX]
setglobal PERF_BUILDID_LINKDIR = "$[readlink -f $PERF_BUILDID_DIR]/"

cut -d ' ' -f 1 $BUILDIDS | \
while read build_id {
	setglobal linkname = "$PERF_BUILDID_DIR.build-id/$(build_id:0:2)/$(build_id:2)"
	setglobal filename = $[readlink -f $linkname]
	echo $(linkname#$PERF_BUILDID_DIR) >> $MANIFEST
	echo $(filename#$PERF_BUILDID_LINKDIR) >> $MANIFEST
}

tar cjf $PERF_DATA.tar.bz2 -C $PERF_BUILDID_DIR -T $MANIFEST
rm $MANIFEST $BUILDIDS || true
echo -e "Now please run:\n"
echo -e "$ tar xvf $PERF_DATA.tar.bz2 -C ~/.debug\n"
echo "wherever you need to run 'perf report' on."
exit 0