On Mon, 22 Apr 2024 03:23:05 -0700
Jonathan Haslam wrote:
> Active uprobes are stored in an RB tree and accesses to this tree are
> dominated by read operations. Currently these accesses are serialized by
> a spinlock but this leads to enormous contention when large numbers of
> threads are
On Mon, 22 Apr 2024 13:39:32 +0200
Jiri Olsa wrote:
> On Mon, Apr 22, 2024 at 03:23:05AM -0700, Jonathan Haslam wrote:
> > Active uprobes are stored in an RB tree and accesses to this tree are
> > dominated by read operations. Currently these accesses are serialized by
> > a spinlock but this
On Mon, Apr 22, 2024 at 03:23:05AM -0700, Jonathan Haslam wrote:
> Active uprobes are stored in an RB tree and accesses to this tree are
> dominated by read operations. Currently these accesses are serialized by
> a spinlock but this leads to enormous contention when large numbers of
> threads are
Active uprobes are stored in an RB tree and accesses to this tree are
dominated by read operations. Currently these accesses are serialized by
a spinlock but this leads to enormous contention when large numbers of
threads are executing active probes.
This patch converts the spinlock used to
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