Judging by the relative paucity of information on the net, you'd think off-CPU profiling was some weird niche scenario instead of, like, totally essential to understanding performance.
Related: I loved using uftrace[0] for my previous project and miss it terribly now: I haven't found any options to perf that can make it do the same things. The blocker is that I have to be able to attach to a running process and uftrace has had an open issue on that for like 8 years. Anyone know of any profiler with similar capabilities that can attach to a running process?
[0] https://github.com/namhyung/uftrace
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