Adding forgotten generate_flame_graph.sh

5 years ago · 8981cf9eda
parent 3b26c69377
commit 8981cf9eda
2 changed files with 17 additions and 0 deletions
--- a/.gitignore
+++ b/.gitignore
@ -17,3 +17,11 @@ performance_measuring.kdev4
 #binaries
 a.out
 performance_measuring
+performance_measuring_test
+
+# perf
+out.folded
+out.perf
+perf.data
+perf.data.old
+flamegraph.svg
--- a/generate_flame_graph.sh
+++ b/generate_flame_graph.sh
@ -0,0 +1,9 @@
+#/bin/bash
+
+# Don't forget to :
+# sudo bash -c  "echo 0 >  /proc/sys/kernel/perf_event_paranoid"
+
+perf record -F 20000 -g  ./performance_measuring
+perf script > out.perf
+./FlameGraph/stackcollapse-perf.pl out.perf > out.folded
+./FlameGraph/flamegraph.pl out.folded > flamegraph.svg