On 2023/10/16 21:21, Masami Hiramatsu (Google) wrote:
On Sun, 15 Oct 2023 13:32:49 +0800
"wuqiang.matt" wrote:
kretprobe is using freelist to manage return-instances, but freelist,
as LIFO queue based on singly linked list, scales badly and reduces
the overall throughput of kretprobed
On Sun, 15 Oct 2023 13:32:49 +0800
"wuqiang.matt" wrote:
> kretprobe is using freelist to manage return-instances, but freelist,
> as LIFO queue based on singly linked list, scales badly and reduces
> the overall throughput of kretprobed routines, especially for high
> contention scenarios.
>
>
kretprobe is using freelist to manage return-instances, but freelist,
as LIFO queue based on singly linked list, scales badly and reduces
the overall throughput of kretprobed routines, especially for high
contention scenarios.
Here's a typical throughput test of sys_prctl (counts in 10 seconds,
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