From 52df920fd6caa810da62bb0e6bcc4da3434248e6 Mon Sep 17 00:00:00 2001
From: Josh Gao <jmgao@google.com>
Date: Tue, 13 Dec 2016 14:24:12 -0800
Subject: [PATCH] adb: add script to trace adbd.

Bug: http://b/31289465
Test: sh trace.sh
Change-Id: Id6e20e83742541aec6bfd9f4112adbdadc078f74
---
 adb/sysdeps_win32_test.cpp |  0
 adb/trace.sh               | 17 +++++++++++++++++
 2 files changed, 17 insertions(+)
 mode change 100755 => 100644 adb/sysdeps_win32_test.cpp
 create mode 100755 adb/trace.sh

diff --git a/adb/sysdeps_win32_test.cpp b/adb/sysdeps_win32_test.cpp
old mode 100755
new mode 100644
diff --git a/adb/trace.sh b/adb/trace.sh
new file mode 100755
index 000000000..49e50264f
--- /dev/null
+++ b/adb/trace.sh
@@ -0,0 +1,17 @@
+set -e
+
+if ! [ -e $ANDROID_BUILD_TOP/external/chromium-trace/systrace.py ]; then
+    echo "error: can't find systrace.py at \$ANDROID_BUILD_TOP/external/chromium-trace/systrace.py"
+    exit 1
+fi
+
+adb shell "sleep 1; atrace -b 65536 --async_start adb sched power freq idle disk mmc load"
+adb shell killall adbd
+adb wait-for-device
+echo "press enter to finish..."
+read
+TRACE_TEMP=`mktemp /tmp/trace.XXXXXX`
+echo Saving trace to ${TRACE_TEMP}, html file to ${TRACE_TEMP}.html
+adb shell atrace --async_stop -z > ${TRACE_TEMP}
+$ANDROID_BUILD_TOP/external/chromium-trace/systrace.py --from-file=${TRACE_TEMP} -o ${TRACE_TEMP}.html
+chrome ${TRACE_TEMP}.html