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Shell Programming and Scripting
Parsing file in perl script
Post 302411629 by clx on Friday 9th of April 2010 04:07:10 AM
04-09-2010
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LEARN ABOUT CENTOS
bootchart.conf
BOOTCHART.CONF(5) bootchart.conf BOOTCHART.CONF(5) NAME
bootchart.conf - Boot performance analysis graphing tool configuration file SYNOPSIS
/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 in total before bootchart exits. Each sample will record at intervals defined by Frequency=. Frequency=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. Relative=no 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 yes, the horizontal axis starts at the first recorded sample instead of time=0.0. Filter=no 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 directory for writing the graphs. By default, bootchart writes the graphs to /run/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. PlotMemoryUsage=no If set to yes, enables logging and graphing of processes' PSS memory consumption. PlotEntropyGraph=no If set to yes, enables logging and graphing of the kernel random entropy pool size. ScaleX=100 Horizontal scaling factor for all variable graph components. ScaleY=20 Vertical scaling factor for all variable graph components. SEE ALSO
systemd-bootchart(1), systemd.directives(7) systemd 208 BOOTCHART.CONF(5)