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| author | Florian Weimer <fweimer@redhat.com> | 2021-06-28 15:48:58 +0200 |
|---|---|---|
| committer | Florian Weimer <fweimer@redhat.com> | 2021-06-28 16:41:58 +0200 |
| commit | dd45734e322a03287d34d8af9b7da7b35cfddb8e (patch) | |
| tree | 368647bd8c34ea5d1ea1f3cfa74ef52fb3271e67 /manual | |
| parent | fef400a2f976d1fd6a4639e6980f6c50ee13fbf5 (diff) | |
| download | glibc-dd45734e322a03287d34d8af9b7da7b35cfddb8e.tar.gz glibc-dd45734e322a03287d34d8af9b7da7b35cfddb8e.tar.xz glibc-dd45734e322a03287d34d8af9b7da7b35cfddb8e.zip | |
nptl: Add glibc.pthread.stack_cache_size tunable
The valgrind/helgrind test suite needs a way to make stack dealloction more prompt, and this feature seems to be generally useful. Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
Diffstat (limited to 'manual')
| -rw-r--r-- | manual/tunables.texi | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/manual/tunables.texi b/manual/tunables.texi index fe7c1313cc..d5d957fb5b 100644 --- a/manual/tunables.texi +++ b/manual/tunables.texi @@ -402,6 +402,15 @@ is acquired. The default value of this tunable is @samp{100}. @end deftp +@deftp Tunable glibc.pthread.stack_cache_size +This tunable configures the maximum size of the stack cache. Once the +stack cache exceeds this size, unused thread stacks are returned to +the kernel, to bring the cache size below this limit. + +The value is measured in bytes. The default is @samp{41943040} +(fourty mibibytes). +@end deftp + @node Hardware Capability Tunables @section Hardware Capability Tunables @cindex hardware capability tunables |