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diff --git a/systrace/catapult/systrace/atrace_helper/README.md b/systrace/catapult/systrace/atrace_helper/README.md deleted file mode 100644 index b5fd651..0000000 --- a/systrace/catapult/systrace/atrace_helper/README.md +++ /dev/null @@ -1,29 +0,0 @@ -<!-- Copyright 2017 The Chromium Authors. All rights reserved. - Use of this source code is governed by a BSD-style license that can be - found in the LICENSE file. ---> -atrace_helper is an optional binary which can be pushed onto the device running -systrace in order to enrich the traces with further details (memory, I/O, etc). - -Which problem is it solving? ---------------------------- -Some nice-to-have details are not present in the systrace, specifically: - - Memory snapshots of running processes (PSS/RSS). - - Periodic snapshotting of processes and thread names. - - File paths for filesystem events (today they report only inode numbers). - -How is it solving it? ---------------------- -atrace_helper is a small userspace binary which is meant to be pushed on the -device and run together with atrace by a dedicated tracing agent. When stopped, -the helper produces a JSON file which contains all the relevant details -(see --help). The JSON file is consumed by the TraceViewer importers and the -extra details are merged into the final model. - -Build instructions ------------------- -Building the binary requires the Android NDK to be installed. See -[Android NDK page](https://developer.android.com/ndk). -Once installed the binary can be just built as follows: -`$(NDK_HOME)/ndk-build` -The binary will be built in `libs/armeabi-v7a/` |