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    SubjectRe: [PATCH 0/2] perf: Allow closing siblings' file descriptors
    On Thu, Aug 06, 2020 at 09:15:08AM +0300, Adrian Hunter wrote:
    > 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?

    https://lkml.kernel.org/r/1290445737.2072.338.camel@laptop

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