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Diffstat (limited to 'system/bootchart/README')
| -rw-r--r-- | system/bootchart/README | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/system/bootchart/README b/system/bootchart/README new file mode 100644 index 0000000000..a4b281b7ab --- /dev/null +++ b/system/bootchart/README @@ -0,0 +1,17 @@ +Bootchart provides a shell script to be run by the kernel in the init phase. +The script will run in background and collect process information, CPU +statistics and disk usage statistics from the /proc file system. +The performance data are stored in memory and are written to disk once the +boot process completes. + +The boot log file is later processed using a Java application which builds +the process tree and renders a performance chart in different formats (png, +svg, eps). + +This requires apache-ant, and you need the jdk package from /extra installed. + +After installation, to run bootchartd append the following boot option: + init=/sbin/bootchartd +You may want to edit your lilo configuration file. Also note that this will +not work if run from a kernel using an initrd - you must use one of the +huge* kernels (or a custom kernel). |