diff options
Diffstat (limited to 'simpleperf/README.md')
| -rw-r--r-- | simpleperf/README.md | 22 |
1 files changed, 7 insertions, 15 deletions
diff --git a/simpleperf/README.md b/simpleperf/README.md index 126fbc65..5311f03d 100644 --- a/simpleperf/README.md +++ b/simpleperf/README.md @@ -31,7 +31,6 @@ Bugs and feature requests can be submitted at http://github.com/android-ndk/ndk/ - [Answers to common issues](#answers-to-common-issues) - [The correct way to pull perf.data on host](#the-correct-way-to-pull-perfdata-on-host) - ## Simpleperf introduction ### Why simpleperf @@ -777,23 +776,16 @@ generate profiling data in a format acceptable by pprof. `annotate.py` reads perf.data, binaries in `binary-cache` (collected by `app-profiler.py`) and source code, and generates annoated source code in `annotated_files/`. -It is configured by `annotate.config`. - -**1. Fill `annotate.config`** - - Change `source_dirs` line to source_dirs = ["../SimpleperfExamplePureJava"] - Change `addr2line_path` line to addr2line_path = "addr2line" - -`addr2line` is need to annotate source code. It can be found in Android ndk release. -Please set `addr2line_path` to the location of `addr2line` if it can't be found -in PATH environment variable. - -**2. Run `annotate.py`** +**1. Run annotate.py** - $ python annotate.py + $ python annotate.py -s ../SimpleperfExamplePureJava +`addr2line` is need to annotate source code. It can be found in Android ndk +release, in paths like toolchains/aarch64-linux-android-4.9/prebuilt/linux-x86_64/bin/aarch64-linux-android-addr2line. +Please use `--addr2line` option to set the path of `addr2line` if annotate.py +can't find it. -**3. Read annotated code** +**2. Read annotated code** The annotated source code is located at `annotated_files/`. `annotated_files/summary` shows how each source file is annotated. |