Messages in this thread | | | Subject | Re: [PATCH 0/2] perf: Allow closing siblings' file descriptors | From | Adrian Hunter <> | Date | Thu, 6 Aug 2020 09:15:08 +0300 |
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On 8/07/20 6:16 pm, Alexander Shishkin wrote: > Hi guys, > > I've been looking at reducing the number of open file descriptors per perf > session. If we retain one descriptor per event, in a large group they add > up. At the same time, we're not actually using them for anything after the > SET_OUTPUT and maybe SET_FILTER ioctls. So, this series is a stab at that.
I am wondering if instead we should be looking at creating a kernel API that allows associating a multitude of tracepoints with a single event. Thoughts anyone?
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