1 files changed, 76 insertions, 0 deletions
diff --git a/js/src/devtools/octane-csv.sh b/js/src/devtools/octane-csv.sh
new file mode 100755
index 0000000000..1049a2b47e
--- /dev/null
+++ b/js/src/devtools/octane-csv.sh
@@ -0,0 +1,76 @@
+#!/usr/bin/env bash
+
+set -e -o pipefail
+
+function echo_to_stderr {
+    echo "$1" 1>&2
+}
+
+function usage_and_exit {
+    echo_to_stderr "Usage:"
+    echo_to_stderr "    $0 <path-to-js> <number-of-iterations>"
+    echo_to_stderr
+    echo_to_stderr "Run octane <number-of-iterations> times, and aggregate the results"
+    echo_to_stderr "into one CSV file, which is written to stdout."
+    echo_to_stderr
+    echo_to_stderr "See the js/src/devtools/plot-octane.R script for plotting the"
+    echo_to_stderr "results."
+    echo_to_stderr
+    echo_to_stderr "Complete example usage with plotting:"
+    echo_to_stderr
+    echo_to_stderr "    \$ ./js/src/devtools/octane-csv.sh path/to/js 20 > control.csv"
+    echo_to_stderr
+    echo_to_stderr "    Next, apply some patch you'd like to test."
+    echo_to_stderr
+    echo_to_stderr "    \$ ./js/src/devtools/octane-csv.sh path/to/js 20 > variable.csv"
+    echo_to_stderr "    \$ ./js/src/devtools/plot-octane.R control.csv variable.csv"
+    echo_to_stderr
+    echo_to_stderr "    Open Rplots.pdf to view the results."
+    exit 1
+}
+
+if [[ "$#" != "2" ]]; then
+    usage_and_exit
+fi
+
+# Get the absolute, normalized $JS path, and ensure its an executable.
+
+JS_DIR=$(dirname $1)
+if [[ ! -d "$JS_DIR" ]]; then
+    echo_to_stderr "error: no such directory $JS_DIR"
+    echo_to_stderr
+    usage_and_exit
+fi
+
+JS=$(basename $1)
+cd "$JS_DIR" > /dev/null
+JS="$(pwd)/$JS"
+if [[ ! -e "$JS" ]]; then
+    echo_to_stderr "error: '$JS' is not executable"
+    echo_to_stderr
+    usage_and_exit
+fi
+cd - > /dev/null
+
+# Go to the js/src/octane directory.
+
+cd $(dirname $0)/../octane > /dev/null
+
+# Run octane and transform the results into CSV.
+#
+# Run once as a warm up, and to grab the column headers. Then run the benchmark
+# $ITERS times, grabbing just the data rows.
+
+echo_to_stderr "Warm up"
+"$JS" ./run.js | grep -v -- "----" | cut -f 1 -d ':' | tr '\n' ','
+echo
+
+ITERS=$2
+while [[ "$ITERS" -ge "1" ]]; do
+    echo_to_stderr "Iterations left: $ITERS"
+    "$JS" ./run.js | grep -v -- "----" | cut -f 2 -d ':' | tr '\n' ','
+    echo
+    ITERS=$((ITERS - 1))
+done
+
+echo_to_stderr "All done :)"