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167400d340
There are two kind of times that tasks are not charged for: the first seek and the extra time slice used over the allocated timeslice. Both of these exported as a new unaccounted_time stat. I think it would be good to have this reported in 'time' as well, but that is probably a separate discussion. Signed-off-by: Justin TerAvest <teravest@google.com> Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
116 lines
3.7 KiB
C
116 lines
3.7 KiB
C
#ifndef _CFQ_H
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#define _CFQ_H
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#include "blk-cgroup.h"
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#ifdef CONFIG_CFQ_GROUP_IOSCHED
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static inline void cfq_blkiocg_update_io_add_stats(struct blkio_group *blkg,
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struct blkio_group *curr_blkg, bool direction, bool sync)
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{
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blkiocg_update_io_add_stats(blkg, curr_blkg, direction, sync);
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}
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static inline void cfq_blkiocg_update_dequeue_stats(struct blkio_group *blkg,
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unsigned long dequeue)
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{
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blkiocg_update_dequeue_stats(blkg, dequeue);
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}
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static inline void cfq_blkiocg_update_timeslice_used(struct blkio_group *blkg,
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unsigned long time, unsigned long unaccounted_time)
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{
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blkiocg_update_timeslice_used(blkg, time, unaccounted_time);
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}
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static inline void cfq_blkiocg_set_start_empty_time(struct blkio_group *blkg)
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{
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blkiocg_set_start_empty_time(blkg);
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}
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static inline void cfq_blkiocg_update_io_remove_stats(struct blkio_group *blkg,
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bool direction, bool sync)
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{
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blkiocg_update_io_remove_stats(blkg, direction, sync);
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}
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static inline void cfq_blkiocg_update_io_merged_stats(struct blkio_group *blkg,
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bool direction, bool sync)
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{
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blkiocg_update_io_merged_stats(blkg, direction, sync);
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}
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static inline void cfq_blkiocg_update_idle_time_stats(struct blkio_group *blkg)
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{
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blkiocg_update_idle_time_stats(blkg);
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}
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static inline void
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cfq_blkiocg_update_avg_queue_size_stats(struct blkio_group *blkg)
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{
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blkiocg_update_avg_queue_size_stats(blkg);
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}
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static inline void
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cfq_blkiocg_update_set_idle_time_stats(struct blkio_group *blkg)
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{
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blkiocg_update_set_idle_time_stats(blkg);
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}
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static inline void cfq_blkiocg_update_dispatch_stats(struct blkio_group *blkg,
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uint64_t bytes, bool direction, bool sync)
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{
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blkiocg_update_dispatch_stats(blkg, bytes, direction, sync);
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}
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static inline void cfq_blkiocg_update_completion_stats(struct blkio_group *blkg, uint64_t start_time, uint64_t io_start_time, bool direction, bool sync)
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{
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blkiocg_update_completion_stats(blkg, start_time, io_start_time,
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direction, sync);
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}
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static inline void cfq_blkiocg_add_blkio_group(struct blkio_cgroup *blkcg,
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struct blkio_group *blkg, void *key, dev_t dev) {
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blkiocg_add_blkio_group(blkcg, blkg, key, dev, BLKIO_POLICY_PROP);
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}
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static inline int cfq_blkiocg_del_blkio_group(struct blkio_group *blkg)
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{
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return blkiocg_del_blkio_group(blkg);
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}
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#else /* CFQ_GROUP_IOSCHED */
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static inline void cfq_blkiocg_update_io_add_stats(struct blkio_group *blkg,
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struct blkio_group *curr_blkg, bool direction, bool sync) {}
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static inline void cfq_blkiocg_update_dequeue_stats(struct blkio_group *blkg,
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unsigned long dequeue) {}
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static inline void cfq_blkiocg_update_timeslice_used(struct blkio_group *blkg,
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unsigned long time, unsigned long unaccounted_time) {}
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static inline void cfq_blkiocg_set_start_empty_time(struct blkio_group *blkg) {}
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static inline void cfq_blkiocg_update_io_remove_stats(struct blkio_group *blkg,
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bool direction, bool sync) {}
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static inline void cfq_blkiocg_update_io_merged_stats(struct blkio_group *blkg,
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bool direction, bool sync) {}
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static inline void cfq_blkiocg_update_idle_time_stats(struct blkio_group *blkg)
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{
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}
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static inline void
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cfq_blkiocg_update_avg_queue_size_stats(struct blkio_group *blkg) {}
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static inline void
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cfq_blkiocg_update_set_idle_time_stats(struct blkio_group *blkg) {}
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static inline void cfq_blkiocg_update_dispatch_stats(struct blkio_group *blkg,
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uint64_t bytes, bool direction, bool sync) {}
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static inline void cfq_blkiocg_update_completion_stats(struct blkio_group *blkg, uint64_t start_time, uint64_t io_start_time, bool direction, bool sync) {}
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static inline void cfq_blkiocg_add_blkio_group(struct blkio_cgroup *blkcg,
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struct blkio_group *blkg, void *key, dev_t dev) {}
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static inline int cfq_blkiocg_del_blkio_group(struct blkio_group *blkg)
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{
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return 0;
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}
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#endif /* CFQ_GROUP_IOSCHED */
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#endif
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