From 841b263fae7463d8c57814a0134300b7a27c785c Mon Sep 17 00:00:00 2001 From: Elliott Hughes Date: Thu, 12 Feb 2015 14:28:54 -0800 Subject: Further refactoring of the bootchart code. Change-Id: Ifed6ae8d481b605139fd27799574de4c2d0f5908 --- init/README.BOOTCHART | 46 ---------------------------------------------- 1 file changed, 46 deletions(-) delete mode 100644 init/README.BOOTCHART (limited to 'init/README.BOOTCHART') diff --git a/init/README.BOOTCHART b/init/README.BOOTCHART deleted file mode 100644 index 245e452..0000000 --- a/init/README.BOOTCHART +++ /dev/null @@ -1,46 +0,0 @@ -This version of init contains code to perform "bootcharting", i.e. generating log -files that can be later processed by the tools provided by www.bootchart.org. - -On the emulator, use the new -bootchart option to boot with bootcharting -activated for seconds. - -Otherwise, flash your device, and start it. Then create a file on the /data partition -with a command like the following: - - adb shell 'echo $TIMEOUT > /data/bootchart/start' - -Where the value of $TIMEOUT corresponds to the wanted bootcharted period in seconds; -for example, to bootchart for 2 minutes, do: - - adb shell 'echo 120 > /data/bootchart/start' - -Reboot your device, bootcharting will begin and stop after the period you gave. -You can also stop the bootcharting at any moment by doing the following: - - adb shell 'echo 1 > /data/bootchart/stop' - -Note that /data/bootchart/stop is deleted automatically by init at the end of the -bootcharting. This is not the case of /data/bootchart/start, so don't forget to delete it -when you're done collecting data: - - adb shell rm /data/bootchart/start - -The log files are placed in /data/bootchart/. You must run the script tools/grab-bootchart.sh -which will use ADB to retrieve them and create a bootchart.tgz file that can be used with -the bootchart parser/renderer, or even uploaded directly to the form located at: - - http://www.bootchart.org/download.html - -NOTE: the bootchart.org webform doesn't seem to work at the moment, you can generate an - image on your machine by doing the following: - - 1/ download the sources from www.bootchart.org - 2/ unpack them - 3/ in the source directory, type 'ant' to build the bootchart program - 4/ type 'java -jar bootchart.jar /path/to/bootchart.tgz - -technical note: - -This implementation of bootcharting does not use the 'bootchartd' script provided by -www.bootchart.org, but a C re-implementation that is directly compiled into our init -program. -- cgit v1.1