From 4e774bc93fc9aaa1f84db7736cd45eef71e712cc Mon Sep 17 00:00:00 2001
From: Jesse Luehrs <doy@tozt.net>
Date: Sat, 9 Nov 2019 07:03:31 -0500
Subject: add script for profiling

---
 bin/perf | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100755 bin/perf

(limited to 'bin')

diff --git a/bin/perf b/bin/perf
new file mode 100755
index 0000000..9a70b08
--- /dev/null
+++ b/bin/perf
@@ -0,0 +1,18 @@
+#!/bin/sh
+set -eux
+
+rm -f target/release/* perf.* || true
+if ! grep -q debug Cargo.toml; then
+    cat >> Cargo.toml <<EOF
+
+[profile.release]
+debug = true
+EOF
+fi
+cargo test --release --no-run
+bin=$(find ./target/release -maxdepth 1 -name '*split_escape*' -not -name '*.d')
+perf record -F99 --call-graph dwarf,16384 "$bin" --ignored
+perf script > perf.script
+perl ~/coding/src/FlameGraph/stackcollapse-perf.pl perf.script > perf.collapsed
+perl ~/coding/src/FlameGraph/flamegraph.pl perf.collapsed > perf.svg
+firefox perf.svg
-- 
cgit v1.2.3-54-g00ecf