bpftrace: add version 0.20.3, and associated tools #278
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Rationale, maybe useful for finding performance issues with our storage. Bcc and bpftrace (what sits on top of bcc) make use of extended BPF (Berkeley Packet Filters), Treat this as experimental, since some features require kernel options we do not use - so YMMV :) To start you must be root and also need to make the kernelheaders of the running kernel available via sysfs. #> insmod kheaders -> /sys/kernel/kheaders.tar.xz More info: https://en.wikipedia.org/wiki/Berkeley_Packet_Filter https://github.com/iovisor/bcc https://github.com/bpftrace/bpftrace P.S. Sometimes the actual headers are also found under /lib/modules/*/build/include/linux .
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Rationale, maybe useful for finding performance issues with our storage. Bcc and bpftrace (what sits on top of bcc) make use of extended BPF (Berkeley Packet Filters),
Treat this as experimental, since some features require kernel options we do not use - so YMMV :)
To start you must be root and also need to make the kernelheaders of the running kernel available via sysfs.
#> insmod kheaders
-> /sys/kernel/kheaders.tar.xz
More info:
https://en.wikipedia.org/wiki/Berkeley_Packet_Filter
https://github.com/iovisor/bcc
https://github.com/bpftrace/bpftrace
P.S. Sometimes the actual headers are also found under /lib/modules/*/build/include/linux .