user_activity: Added tools for the benchmark profile collection.

The scripts run the Telemetry benchmarks, collects their perf profiles, use
local_cwp to do the profile symbolization and collect the hot
functions and callchains with pprof.

BUG=None
TEST=None

Change-Id: I2170e53d95924f1a3ba134bd62b1eead9e7a3077
Reviewed-on: https://chrome-internal-review.googlesource.com/288517
Reviewed-by: Luis Lozano <llozano@chromium.org>
Reviewed-by: Evelina Dumitrescu <evelinad@google.com>
Commit-Queue: Evelina Dumitrescu <evelinad@google.com>
Tested-by: Evelina Dumitrescu <evelinad@google.com>
Reviewed-on: https://chromium-review.googlesource.com/435923
Commit-Ready: Luis Lozano <llozano@chromium.org>
Tested-by: Luis Lozano <llozano@chromium.org>

1 files changed, 32 insertions, 0 deletions

diff --git a/user_activity_benchmarks/symbolize_profiles.sh b/user_activity_benchmarks/symbolize_profiles.sh
new file mode 100755
index 00000000..904cc1ba
--- /dev/null
+++ b/user_activity_benchmarks/symbolize_profiles.sh
@@ -0,0 +1,32 @@
+#!/bin/bash
+
+# Copyright 2016 The Chromium OS Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+# Uses local_cwp to do the profile symbolization.
+# The profiles that need to be symbolized are placed in the profiles_path.
+# The results are placed in the local_cwp_results_path.
+
+set -e
+
+if [ "$#" -ne 3 ]; then
+  echo "USAGE: symbolize_profiles.sh profiles_path local_cwp_binary_path " \
+    "local_cwp_results_path"
+  exit 1
+fi
+
+readonly PROFILES_PATH=$1
+readonly LOCAL_CWP_BINARY_PATH=$2
+readonly LOCAL_CWP_RESULTS_PATH=$3
+readonly PROFILES=$(ls $PROFILES_PATH)
+
+for profile in "${PROFILES[@]}"
+do
+  $LOCAL_CWP_BINARY_PATH --output="$LOCAL_CWP_RESULTS_PATH/${profile}.pb.gz" \
+    "$PROFILES_PATH/$profile"
+  if [ $? -ne 0 ]; then
+    echo "Failed to symbolize the perf profile output with local_cwp for " \
+      "$profile."
+    continue
+  fi
+done