| Age | Commit message (Collapse) | Author | |
|---|---|---|---|
| 2021-05-29 | ripple/driver.pl: fix bpftrace argument passing | edef | |
| bpftrace takes a single argument to -c, and then simply does a naive split_string(cmd, ' ') on that. This unfortunately makes it impossible to pass arguments containing spaces to subprocesses. Change-Id: Ib18a19f858b5acd87e54e00927173ccd4fe6ee49 | |||
| 2021-05-26 | ripple/driver.pl: a basic syscall tracing driver | edef | |
| 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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