haskell-cpu-instruction-counter

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It would be nice if the package could be released on hackage to be easily retrievable with cabal-based infra.

l29ah

Running several counters concurrently

3

`perf` can only monitor a specific OS process running on specific (or all) CPU core. It's unaware of Haskell's RTS and OS threads. I expect that running several counters concurrently...

zudov

Investigate whether and when perf_event_open() is process-wide or thread-wide

3

From the [man page](http://man7.org/linux/man-pages/man2/perf_event_open.2.html): ``` The pid and cpu arguments allow specifying which process and CPU to monitor: pid == 0 and cpu == -1 This measures the calling process/thread...

nh2

Windows support

2

Would be great...

neil-da

Integrate with criterion?

2

It seems as though this both would complement and be improved by integration into criterion: - instruction counts as regression would be validated by criterion timing - a timing regression...

jberryman

as per [man page](http://man7.org/linux/man-pages/man2/perf_event_open.2.html): ``` PERF_FLAG_FD_CLOEXEC (since Linux 3.14) This flag enables the close-on-exec flag for the created event file descriptor, so that the file descriptor is automatically closed on...

nh2