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linux-next/block/cfq.h
Justin TerAvest 167400d340 blk-cgroup: Add unaccounted time to timeslice_used.
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>
2011-03-12 16:54:00 +01:00

116 lines
3.7 KiB
C

#ifndef _CFQ_H
#define _CFQ_H
#include "blk-cgroup.h"
#ifdef CONFIG_CFQ_GROUP_IOSCHED
static inline void cfq_blkiocg_update_io_add_stats(struct blkio_group *blkg,
struct blkio_group *curr_blkg, bool direction, bool sync)
{
blkiocg_update_io_add_stats(blkg, curr_blkg, direction, sync);
}
static inline void cfq_blkiocg_update_dequeue_stats(struct blkio_group *blkg,
unsigned long dequeue)
{
blkiocg_update_dequeue_stats(blkg, dequeue);
}
static inline void cfq_blkiocg_update_timeslice_used(struct blkio_group *blkg,
unsigned long time, unsigned long unaccounted_time)
{
blkiocg_update_timeslice_used(blkg, time, unaccounted_time);
}
static inline void cfq_blkiocg_set_start_empty_time(struct blkio_group *blkg)
{
blkiocg_set_start_empty_time(blkg);
}
static inline void cfq_blkiocg_update_io_remove_stats(struct blkio_group *blkg,
bool direction, bool sync)
{
blkiocg_update_io_remove_stats(blkg, direction, sync);
}
static inline void cfq_blkiocg_update_io_merged_stats(struct blkio_group *blkg,
bool direction, bool sync)
{
blkiocg_update_io_merged_stats(blkg, direction, sync);
}
static inline void cfq_blkiocg_update_idle_time_stats(struct blkio_group *blkg)
{
blkiocg_update_idle_time_stats(blkg);
}
static inline void
cfq_blkiocg_update_avg_queue_size_stats(struct blkio_group *blkg)
{
blkiocg_update_avg_queue_size_stats(blkg);
}
static inline void
cfq_blkiocg_update_set_idle_time_stats(struct blkio_group *blkg)
{
blkiocg_update_set_idle_time_stats(blkg);
}
static inline void cfq_blkiocg_update_dispatch_stats(struct blkio_group *blkg,
uint64_t bytes, bool direction, bool sync)
{
blkiocg_update_dispatch_stats(blkg, bytes, direction, sync);
}
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)
{
blkiocg_update_completion_stats(blkg, start_time, io_start_time,
direction, sync);
}
static inline void cfq_blkiocg_add_blkio_group(struct blkio_cgroup *blkcg,
struct blkio_group *blkg, void *key, dev_t dev) {
blkiocg_add_blkio_group(blkcg, blkg, key, dev, BLKIO_POLICY_PROP);
}
static inline int cfq_blkiocg_del_blkio_group(struct blkio_group *blkg)
{
return blkiocg_del_blkio_group(blkg);
}
#else /* CFQ_GROUP_IOSCHED */
static inline void cfq_blkiocg_update_io_add_stats(struct blkio_group *blkg,
struct blkio_group *curr_blkg, bool direction, bool sync) {}
static inline void cfq_blkiocg_update_dequeue_stats(struct blkio_group *blkg,
unsigned long dequeue) {}
static inline void cfq_blkiocg_update_timeslice_used(struct blkio_group *blkg,
unsigned long time, unsigned long unaccounted_time) {}
static inline void cfq_blkiocg_set_start_empty_time(struct blkio_group *blkg) {}
static inline void cfq_blkiocg_update_io_remove_stats(struct blkio_group *blkg,
bool direction, bool sync) {}
static inline void cfq_blkiocg_update_io_merged_stats(struct blkio_group *blkg,
bool direction, bool sync) {}
static inline void cfq_blkiocg_update_idle_time_stats(struct blkio_group *blkg)
{
}
static inline void
cfq_blkiocg_update_avg_queue_size_stats(struct blkio_group *blkg) {}
static inline void
cfq_blkiocg_update_set_idle_time_stats(struct blkio_group *blkg) {}
static inline void cfq_blkiocg_update_dispatch_stats(struct blkio_group *blkg,
uint64_t bytes, bool direction, bool sync) {}
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) {}
static inline void cfq_blkiocg_add_blkio_group(struct blkio_cgroup *blkcg,
struct blkio_group *blkg, void *key, dev_t dev) {}
static inline int cfq_blkiocg_del_blkio_group(struct blkio_group *blkg)
{
return 0;
}
#endif /* CFQ_GROUP_IOSCHED */
#endif