From 8e2332bfc68fb040a956226d36f1ef71c944ef82 Mon Sep 17 00:00:00 2001
From: johannst <johannes.stoelp@gmail.com>
Date: Tue, 5 Nov 2019 13:42:23 +0100
Subject: added perf flows

---
 debug.txt | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/debug.txt b/debug.txt
index 18f054d..9579f77 100644
--- a/debug.txt
+++ b/debug.txt
@@ -48,10 +48,15 @@ perf report -g graph,0.5,caller
 
 # flamegraph (https://github.com/brendangregg/FlameGraph)
 # record events of interest, eg page-faults
-perf stat -e page-faults -I 1000 -p 571
+perf record -e page-faults --call-graph dwarf
 perf script | FlameGraph/stackcollapse-perf.pl > out.perf-folded
 FlameGraph/flamegraph.pl out.perf-folded > perf-trace.svg
 
+# record multiple events and generate flamegraphs
+perf record --call-graph dwarf -p $(pgrep -u jstolp -n sim) -F 200 -e cpu-cycles,page-faults
+perf script --per-event-dump
+# fold & generate as above
+
 # print supported events
 ophelp
 
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