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create_flamegraph.sh
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create_flamegraph.sh
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#!/bin/bash
# Copyright 2016 M. Isuru Tharanga Chrishantha Perera
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# ----------------------------------------------------------------------------
# Create a Flame Graph
# ----------------------------------------------------------------------------
set -e
JFG_DIR=$(dirname "$0")
if [ ! -x "$FLAMEGRAPH_DIR/flamegraph.pl" ]; then
echo "Please clone https://github.com/brendangregg/FlameGraph and set FLAMEGRAPH_DIR to the root directory"
exit 1
fi
function help {
echo ""
echo "Usage: "
echo "create-flamegraph.sh [some options supported by flamegraph-output.sh \"folded\" command]"
echo ""
echo "See: flamegraph-output.sh -h"
echo ""
}
jfr_file=""
while getopts "df:airsx:y:" opts
do
case $opts in
f)
jfr_file=${OPTARG}
;;
\?)
help
exit 1
;;
esac
done
if [[ ! -f $jfr_file ]]; then
echo "Please specify the JFR file"
help
exit 1
fi
jfr_filename=$(basename $jfr_file)
# Use folded command
${JFG_DIR}/flamegraph-output.sh folded $* | $FLAMEGRAPH_DIR/flamegraph.pl --title "Flame Graph: $jfr_filename"