#!/bin/bash
# Copyright 2015 gRPC authors.
#
# 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.

mkdir -p $OUTPUT_DIR

PERF_DATA_FILE=${PERF_BASE_NAME}-perf.data
PERF_SCRIPT_OUTPUT=${PERF_BASE_NAME}-out.perf

# Generate Flame graphs
echo "running perf script on $USER_AT_HOST with perf.data"
ssh $USER_AT_HOST "cd ~/performance_workspace/grpc && perf script -i $PERF_DATA_FILE | gzip > ${PERF_SCRIPT_OUTPUT}.gz"

scp $USER_AT_HOST:~/performance_workspace/grpc/$PERF_SCRIPT_OUTPUT.gz .

gzip -d -f $PERF_SCRIPT_OUTPUT.gz

~/FlameGraph/stackcollapse-perf.pl --kernel $PERF_SCRIPT_OUTPUT | ~/FlameGraph/flamegraph.pl --color=java --hash > ${OUTPUT_DIR}/${OUTPUT_FILENAME}.svg