| Server IP : 15.235.198.142 / Your IP : 216.73.216.190 Web Server : Apache/2.4.58 (Ubuntu) System : Linux ballsack 6.8.0-45-generic #45-Ubuntu SMP PREEMPT_DYNAMIC Fri Aug 30 12:02:04 UTC 2024 x86_64 User : www-data ( 33) PHP Version : 8.3.6 Disable Function : NONE MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : OFF | Sudo : ON | Pkexec : OFF Directory : /usr/share/doc/bpftrace/examples/ |
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Demonstrations of loads, the Linux bpftrace/eBPF version. This is a simple tool that prints the system load averages, to three decimal places each (not that it really matters), as a demonstration of fetching kernel structures from bpftrace: # ./loads.bt Attaching 2 probes... Reading load averages... Hit Ctrl-C to end. 21:29:17 load averages: 2.091 2.048 1.947 21:29:18 load averages: 2.091 2.048 1.947 21:29:19 load averages: 2.091 2.048 1.947 21:29:20 load averages: 2.091 2.048 1.947 21:29:21 load averages: 2.164 2.064 1.953 21:29:22 load averages: 2.164 2.064 1.953 21:29:23 load averages: 2.164 2.064 1.953 ^C These are the same load averages printed by uptime: # uptime 21:29:24 up 2 days, 18:57, 3 users, load average: 2.16, 2.06, 1.95 For more on load averages, see my post: http://www.brendangregg.com/blog/2017-08-08/linux-load-averages.html