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477edd642c
Run arc_evict thread at higher priority, nice=0, to give it more CPU time which can improve performance for workload with high ARC evict activities. On mixed read/write and sequential read workloads, I've seen between 10-40% better performance. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Reviewed-by: George Melikov <mail@gmelikov.ru> Reviewed-by: Alexander Motin <mav@FreeBSD.org> Signed-off-by: Tony Nguyen <tony.nguyen@delphix.com> Closes #12397
44 lines
1.3 KiB
C
44 lines
1.3 KiB
C
/*
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* CDDL HEADER START
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*
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* This file and its contents are supplied under the terms of the
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* Common Development and Distribution License ("CDDL"), version 1.0.
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* You may only use this file in accordance with the terms of version
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* 1.0 of the CDDL.
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*
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* A full copy of the text of the CDDL should have accompanied this
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* source. A copy of the CDDL is also available via the Internet at
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* http://www.illumos.org/license/CDDL.
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*
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* CDDL HEADER END
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*/
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/*
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* Copyright (c) 2017, 2018 by Delphix. All rights reserved.
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*/
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#ifndef _SYS_ZTHR_H
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#define _SYS_ZTHR_H
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typedef struct zthr zthr_t;
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typedef void (zthr_func_t)(void *, zthr_t *);
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typedef boolean_t (zthr_checkfunc_t)(void *, zthr_t *);
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extern zthr_t *zthr_create(const char *zthr_name,
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zthr_checkfunc_t checkfunc, zthr_func_t *func, void *arg,
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pri_t pri);
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extern zthr_t *zthr_create_timer(const char *zthr_name,
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zthr_checkfunc_t *checkfunc, zthr_func_t *func, void *arg,
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hrtime_t nano_wait, pri_t pri);
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extern void zthr_destroy(zthr_t *t);
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extern void zthr_wakeup(zthr_t *t);
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extern void zthr_cancel(zthr_t *t);
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extern void zthr_resume(zthr_t *t);
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extern void zthr_wait_cycle_done(zthr_t *t);
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extern boolean_t zthr_iscancelled(zthr_t *t);
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extern boolean_t zthr_has_waiters(zthr_t *t);
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#endif /* _SYS_ZTHR_H */
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