1#!/bin/bash
2# Copyright 2015 gRPC authors.
3#
4# Licensed under the Apache License, Version 2.0 (the "License");
5# you may not use this file except in compliance with the License.
6# You may obtain a copy of the License at
7#
8#     http://www.apache.org/licenses/LICENSE-2.0
9#
10# Unless required by applicable law or agreed to in writing, software
11# distributed under the License is distributed on an "AS IS" BASIS,
12# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13# See the License for the specific language governing permissions and
14# limitations under the License.
15
16set -ex
17
18mkdir -p "$OUTPUT_DIR"
19
20PERF_DATA_FILE="${PERF_BASE_NAME}-perf.data"
21PERF_SCRIPT_OUTPUT="${PERF_BASE_NAME}-out.perf"
22
23# Generate Flame graphs
24echo "running perf script on $USER_AT_HOST with perf.data"
25# shellcheck disable=SC2029
26ssh "$USER_AT_HOST" "cd ~/performance_workspace/grpc && perf script -i $PERF_DATA_FILE | gzip > ${PERF_SCRIPT_OUTPUT}.gz"
27
28scp "$USER_AT_HOST:~/performance_workspace/grpc/$PERF_SCRIPT_OUTPUT.gz" .
29
30gzip -d -f "$PERF_SCRIPT_OUTPUT.gz"
31
32# use https://github.com/brendangregg/FlameGraph
33~/FlameGraph/stackcollapse-perf.pl --kernel "$PERF_SCRIPT_OUTPUT" | ~/FlameGraph/flamegraph.pl --color=java --hash > "${OUTPUT_DIR}/${OUTPUT_FILENAME}.svg"
34