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authoredef <edef@unfathomable.blue>2021-05-26 11:16:14 +0000
committeredef <edef@unfathomable.blue>2021-05-26 11:29:35 +0000
commite109ea262d2059115c2069f32f420a9d3af71803 (patch)
treecb7ae9827db6a413c9b70f71febbf71774030e5c /ripple/website
parentf5c8a8537a336b60fd28af003572fa8883fc8354 (diff)
downloadunf-legacy-e109ea262d2059115c2069f32f420a9d3af71803.tar.zst
ripple/driver.pl: a basic syscall tracing driver
This program spawns a child in a new cgroup (using systemd-run) under
bpftrace and counts syscall invocations for each (syscall, comm) pair.

It outputs a TSV of (syscall, comm, count) tuples to STDERR.

This makes it easy to assess which system calls a build process uses,
segmented by a useful approximation of the invoking programs.

Change-Id: I9ab7a34fda82245d3fa22b47840de16d1decf719
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