Benchmark: plot go pprof profiles for a given directory

Co-authored-by: Martin Evgeniev <[email protected]>
Co-authored-by: pancho horrilo <[email protected]>

tests/make_graph

@@ -0,0 +1,42 @@
+#!/usr/bin/env sh
+
+# Copyright 2018 Banco Bilbao Vizcaya Argentaria, S.A.
+
+# 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.
+
+pattern="$1"
+dir="$2"
+metric="$3"
+
+case $3 in
+  cum|c)
+    parse='$6'
+  ;;
+  flat|f)
+    parse='$5'
+    PPROF_EXTRA_ARGS='-unit ms'
+  ;;
+  *)
+    echo "Usage: $0 pattern metrics_dir percent|time"
+    exit 1
+  ;;
+esac
+
+profiles='cpu'
+
+(for prof in $(find $dir -type f -name "*$profiles*.pb.gz" | sort )
+do
+    x=$(echo "$prof" | cut -d- -f2)
+    y=$(go tool pprof -top $PPROF_EXTRA_ARGS -show "$pattern" "$prof" 2>/dev/null | awk "/^Showing nodes accounting for / { print $parse }" | tr -d '%,' )
+    echo $x $y
+done) | gnuplot -e 'set terminal dumb; plot "-" using 1:2 with lines; pause -1'

tests/stress

@@ -16,7 +16,7 @@
 
 
 ./start_server
-./start_profiler
+./start_profiler &
 
 go run riot.go "$@"