From 83fdc450aa8f79941bec84488ffd5bf8eadab18e Mon Sep 17 00:00:00 2001 From: Auke Kok Date: Wed, 17 Oct 2012 16:01:12 -0700 Subject: bootchart: merge bootchart Bootchart is renamed to 'systemd-bootchart' and installed as /usr/lib/systemd/systemd-bootchart. The configuration file will reside in /etc/systemd/bootchart.conf. --- man/bootchart.conf.xml | 158 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 158 insertions(+) create mode 100644 man/bootchart.conf.xml (limited to 'man/bootchart.conf.xml') diff --git a/man/bootchart.conf.xml b/man/bootchart.conf.xml new file mode 100644 index 0000000000..f8fcfe0103 --- /dev/null +++ b/man/bootchart.conf.xml @@ -0,0 +1,158 @@ + + + + + + + + + bootchart.conf + systemd + + + + Developer + Auke + Kok + auke-jan.h.kok@intel.com + + + + + + bootchart.conf + 5 + + + + bootchart.conf + Boot performance analysis graphing tool configuration file + + + + /etc/systemd/bootchart.conf + + + + Description + + When starting, systemd-bootchart will read the + configuration file bootchart.conf. + This configuration file determines logging parameters and + graph output. + + + + + Options + + + + + samples=500 + Configure the amount of samples to + record total before bootchart exits. Each sample will + record at intervals defined by freq=. + + + + freq=25 + Configure the sample log frequency. + This can be a fractional number, but must be larger than + 0.0. Most systems can cope with values under 25-50 without + impacting boot time severely. + + + + rel=0 + Configures whether the left axis of the + output graph equals time=0.0 (CLOCK_MONOTONIC start). This + is useful for using bootchart at post-boot time to profile + an already booted system, otherwise the graph would become + extremely large. If set to a non-zero value, the horizontal + axis starts at the first recorded sample instead of time=0.0. + + + + + filter=0 + Configures whether the resulting graph + should omit tasks that did not contribute significantly + to the boot. Processes that are too short-lived (only + seen in one sample) or that do not consume any significant + CPU time (less than 0.001sec) will not be displayed in + the output graph. + + + + output=[path] + Configures the output folder for writing + the graphs. By default, bootchart writes the graphs to + /var/log. + + + + init=[path] + Configures bootchart to run a non-standard + binary instead of /sbin/init. This + option is only relevant if bootchart was invoked from the + kernel command line with + init=/usr/lib/systemd/systemd-bootchart. + + + + pss=0 + If set to 1, enables logging and graphing + of processes PSS memory consumption. + + + + entropy=0 + If set to 1, enables logging and graphing + of the kernel random entropy pool size. + + + + scale_x=100 + Horizontal scaling factor for all variable + graph components. + + + + scale_y=20 + Vertical scaling factor for all variable + graph components. + + + + + + + See Also + + systemd-bootchart1 + + + + -- cgit v1.2.3-54-g00ecf