Load generator for measuring overhead generated by EDRs and other logging tools on Linux

Related tags

Testing Frameworks edr-loadgen
Overview

Simple load generator for stress-testing EDR software

The purpose of this tool is to measure CPU overhead incurred by having active or passive security monitoring technologies active on a Linux system. Examples are auditd, auditbeat, auditd+Laurel Sysmon for Linux, or any EDR.

The tool spawns trivial processes (/bin/true) at a set frequency for a set time and measures user + system CPU usage for a set of given processes.

Example:

$ ./edr-loadgen -command /bin/true -delay .005 -duration 30 $(pidof auditd; pidof laurel)
2021/10/20 16:42:34 ./edr-loadgen: exec '/bin/true', every 0.0050 seconds, duration: 30.0000 seconds
2021/10/20 16:42:34 CLK_TCK = 100
2021/10/20 16:43:04 5977 events generated.
2021/10/20 16:43:04 PID 8062: user+sys: 43+70 = 113 ticks / 0.43+0.70 = 1.13 seconds / 1.433+2.333 = 3.767 percent
2021/10/20 16:43:04 PID 18249: user+sys: 78+8 = 86 ticks / 0.78+0.08 = 0.86 seconds / 2.600+0.267 = 2.867 percent
2021/10/20 16:43:04 SUM: 1.99 seconds / 6.633 percent

Author

Hilko Bengen <[email protected]>

License

GPL-3.0, see LICENSE

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