Messages in this thread |  | | From | David Howells <> | Subject | Re: 9p fs-cache tests/benchmark (was: 9p fscache Duplicate cookie detected) | Date | Mon, 11 Apr 2022 09:10:31 +0100 |
| |
Christian Schoenebeck <linux_oss@crudebyte.com> wrote:
> From looking at the sources, the call stack for emitting "FS-Cache: Duplicate > cookie detected" error messages with 9p "cache=mmap" option seems to be:
You might find these tracepoints useful:
echo 1 >/sys/kernel/debug/tracing/events/fscache/fscache_cookie/enable echo 1 >/sys/kernel/debug/tracing/events/fscache/fscache_acquire/enable echo 1 >/sys/kernel/debug/tracing/events/fscache/fscache_relinquish/enable
David
|  |