/
usr
/
share
/
doc
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bpftrace
/
examples
/
/usr/share/doc/bpftrace/examples
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bashreadline_example.txt
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biolatency_example.txt
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biosnoop_example.txt
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biostacks_example.txt
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bitesize_example.txt
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capable_example.txt
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cpuwalk_example.txt
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dcsnoop_example.txt
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execsnoop_example.txt
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gethostlatency_example.txt
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killsnoop_example.txt
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loads_example.txt
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mdflush_example.txt
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naptime_example.txt
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oomkill_example.txt
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opensnoop_example.txt
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pidpersec_example.txt
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runqlat_example.txt
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runqlen_example.txt
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setuids_example.txt
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ssllatency_example.txt
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sslsnoop_example.txt
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statsnoop_example.txt
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swapin_example.txt
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syncsnoop_example.txt
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syscount_example.txt
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tcpaccept_example.txt
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tcpconnect_example.txt
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tcpdrop_example.txt
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tcplife_example.txt
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tcpretrans_example.txt
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tcpsynbl_example.txt
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threadsnoop_example.txt
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undump_example.txt
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vfscount_example.txt
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vfsstat_example.txt
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writeback_example.txt
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xfsdist_example.txt
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Edit:
/usr/share/doc/bpftrace/examples/loads_example.txt
(864B)
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
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