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MINOR: fd: cache-align fdtab and fdcache locks

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These locks are highly contended, let's not make them share cache lines.
This commit is contained in:
Willy Tarreau 2017-11-26 11:07:34 +01:00
parent a24d1d0be4
commit 8b94969054
1 changed files with 3 additions and 3 deletions
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6
include/proto/fd.h
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@ -39,9 +39,9 @@ extern int fd_cache_num; // number of events in the cache
extern THREAD_LOCAL int *fd_updt; // FD updates list
extern THREAD_LOCAL int fd_nbupdt; // number of updates in the list
__decl_hathreads(extern HA_SPINLOCK_T fdtab_lock); /* global lock to protect fdtab array */
__decl_hathreads(extern HA_RWLOCK_T fdcache_lock); /* global lock to protect fd_cache array */
__decl_hathreads(extern HA_SPINLOCK_T poll_lock); /* global lock to protect poll info */
__decl_hathreads(extern HA_SPINLOCK_T __attribute__((aligned(64))) fdtab_lock); /* global lock to protect fdtab array */
__decl_hathreads(extern HA_RWLOCK_T __attribute__((aligned(64))) fdcache_lock); /* global lock to protect fd_cache array */
__decl_hathreads(extern HA_SPINLOCK_T __attribute__((aligned(64))) poll_lock); /* global lock to protect poll info */
/* Deletes an FD from the fdsets, and recomputes the maxfd limit.
* The file descriptor is also closed.