c5a6561b8d
Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Jens Axboe <axboe@kernel.dk>
212 lines
5.8 KiB
C
212 lines
5.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#undef TRACE_SYSTEM
|
|
#define TRACE_SYSTEM iocost
|
|
|
|
struct ioc;
|
|
struct ioc_now;
|
|
struct ioc_gq;
|
|
|
|
#if !defined(_TRACE_BLK_IOCOST_H) || defined(TRACE_HEADER_MULTI_READ)
|
|
#define _TRACE_BLK_IOCOST_H
|
|
|
|
#include <linux/tracepoint.h>
|
|
|
|
TRACE_EVENT(iocost_iocg_activate,
|
|
|
|
TP_PROTO(struct ioc_gq *iocg, const char *path, struct ioc_now *now,
|
|
u64 last_period, u64 cur_period, u64 vtime),
|
|
|
|
TP_ARGS(iocg, path, now, last_period, cur_period, vtime),
|
|
|
|
TP_STRUCT__entry (
|
|
__string(devname, ioc_name(iocg->ioc))
|
|
__string(cgroup, path)
|
|
__field(u64, now)
|
|
__field(u64, vnow)
|
|
__field(u64, vrate)
|
|
__field(u64, last_period)
|
|
__field(u64, cur_period)
|
|
__field(u64, vtime)
|
|
__field(u32, weight)
|
|
__field(u32, inuse)
|
|
__field(u64, hweight_active)
|
|
__field(u64, hweight_inuse)
|
|
),
|
|
|
|
TP_fast_assign(
|
|
__assign_str(devname, ioc_name(iocg->ioc));
|
|
__assign_str(cgroup, path);
|
|
__entry->now = now->now;
|
|
__entry->vnow = now->vnow;
|
|
__entry->vrate = now->vrate;
|
|
__entry->last_period = last_period;
|
|
__entry->cur_period = cur_period;
|
|
__entry->vtime = vtime;
|
|
__entry->weight = iocg->weight;
|
|
__entry->inuse = iocg->inuse;
|
|
__entry->hweight_active = iocg->hweight_active;
|
|
__entry->hweight_inuse = iocg->hweight_inuse;
|
|
),
|
|
|
|
TP_printk("[%s:%s] now=%llu:%llu vrate=%llu "
|
|
"period=%llu->%llu vtime=%llu "
|
|
"weight=%u/%u hweight=%llu/%llu",
|
|
__get_str(devname), __get_str(cgroup),
|
|
__entry->now, __entry->vnow, __entry->vrate,
|
|
__entry->last_period, __entry->cur_period,
|
|
__entry->vtime, __entry->inuse, __entry->weight,
|
|
__entry->hweight_inuse, __entry->hweight_active
|
|
)
|
|
);
|
|
|
|
DECLARE_EVENT_CLASS(iocg_inuse_update,
|
|
|
|
TP_PROTO(struct ioc_gq *iocg, const char *path, struct ioc_now *now,
|
|
u32 old_inuse, u32 new_inuse,
|
|
u64 old_hw_inuse, u64 new_hw_inuse),
|
|
|
|
TP_ARGS(iocg, path, now, old_inuse, new_inuse,
|
|
old_hw_inuse, new_hw_inuse),
|
|
|
|
TP_STRUCT__entry (
|
|
__string(devname, ioc_name(iocg->ioc))
|
|
__string(cgroup, path)
|
|
__field(u64, now)
|
|
__field(u32, old_inuse)
|
|
__field(u32, new_inuse)
|
|
__field(u64, old_hweight_inuse)
|
|
__field(u64, new_hweight_inuse)
|
|
),
|
|
|
|
TP_fast_assign(
|
|
__assign_str(devname, ioc_name(iocg->ioc));
|
|
__assign_str(cgroup, path);
|
|
__entry->now = now->now;
|
|
__entry->old_inuse = old_inuse;
|
|
__entry->new_inuse = new_inuse;
|
|
__entry->old_hweight_inuse = old_hw_inuse;
|
|
__entry->new_hweight_inuse = new_hw_inuse;
|
|
),
|
|
|
|
TP_printk("[%s:%s] now=%llu inuse=%u->%u hw_inuse=%llu->%llu",
|
|
__get_str(devname), __get_str(cgroup), __entry->now,
|
|
__entry->old_inuse, __entry->new_inuse,
|
|
__entry->old_hweight_inuse, __entry->new_hweight_inuse
|
|
)
|
|
);
|
|
|
|
DEFINE_EVENT(iocg_inuse_update, iocost_inuse_shortage,
|
|
|
|
TP_PROTO(struct ioc_gq *iocg, const char *path, struct ioc_now *now,
|
|
u32 old_inuse, u32 new_inuse,
|
|
u64 old_hw_inuse, u64 new_hw_inuse),
|
|
|
|
TP_ARGS(iocg, path, now, old_inuse, new_inuse,
|
|
old_hw_inuse, new_hw_inuse)
|
|
);
|
|
|
|
DEFINE_EVENT(iocg_inuse_update, iocost_inuse_transfer,
|
|
|
|
TP_PROTO(struct ioc_gq *iocg, const char *path, struct ioc_now *now,
|
|
u32 old_inuse, u32 new_inuse,
|
|
u64 old_hw_inuse, u64 new_hw_inuse),
|
|
|
|
TP_ARGS(iocg, path, now, old_inuse, new_inuse,
|
|
old_hw_inuse, new_hw_inuse)
|
|
);
|
|
|
|
DEFINE_EVENT(iocg_inuse_update, iocost_inuse_adjust,
|
|
|
|
TP_PROTO(struct ioc_gq *iocg, const char *path, struct ioc_now *now,
|
|
u32 old_inuse, u32 new_inuse,
|
|
u64 old_hw_inuse, u64 new_hw_inuse),
|
|
|
|
TP_ARGS(iocg, path, now, old_inuse, new_inuse,
|
|
old_hw_inuse, new_hw_inuse)
|
|
);
|
|
|
|
TRACE_EVENT(iocost_ioc_vrate_adj,
|
|
|
|
TP_PROTO(struct ioc *ioc, u64 new_vrate, u32 *missed_ppm,
|
|
u32 rq_wait_pct, int nr_lagging, int nr_shortages),
|
|
|
|
TP_ARGS(ioc, new_vrate, missed_ppm, rq_wait_pct, nr_lagging, nr_shortages),
|
|
|
|
TP_STRUCT__entry (
|
|
__string(devname, ioc_name(ioc))
|
|
__field(u64, old_vrate)
|
|
__field(u64, new_vrate)
|
|
__field(int, busy_level)
|
|
__field(u32, read_missed_ppm)
|
|
__field(u32, write_missed_ppm)
|
|
__field(u32, rq_wait_pct)
|
|
__field(int, nr_lagging)
|
|
__field(int, nr_shortages)
|
|
),
|
|
|
|
TP_fast_assign(
|
|
__assign_str(devname, ioc_name(ioc));
|
|
__entry->old_vrate = atomic64_read(&ioc->vtime_rate);;
|
|
__entry->new_vrate = new_vrate;
|
|
__entry->busy_level = ioc->busy_level;
|
|
__entry->read_missed_ppm = missed_ppm[READ];
|
|
__entry->write_missed_ppm = missed_ppm[WRITE];
|
|
__entry->rq_wait_pct = rq_wait_pct;
|
|
__entry->nr_lagging = nr_lagging;
|
|
__entry->nr_shortages = nr_shortages;
|
|
),
|
|
|
|
TP_printk("[%s] vrate=%llu->%llu busy=%d missed_ppm=%u:%u rq_wait_pct=%u lagging=%d shortages=%d",
|
|
__get_str(devname), __entry->old_vrate, __entry->new_vrate,
|
|
__entry->busy_level,
|
|
__entry->read_missed_ppm, __entry->write_missed_ppm,
|
|
__entry->rq_wait_pct, __entry->nr_lagging, __entry->nr_shortages
|
|
)
|
|
);
|
|
|
|
TRACE_EVENT(iocost_iocg_forgive_debt,
|
|
|
|
TP_PROTO(struct ioc_gq *iocg, const char *path, struct ioc_now *now,
|
|
u32 usage_pct, u64 old_debt, u64 new_debt,
|
|
u64 old_delay, u64 new_delay),
|
|
|
|
TP_ARGS(iocg, path, now, usage_pct,
|
|
old_debt, new_debt, old_delay, new_delay),
|
|
|
|
TP_STRUCT__entry (
|
|
__string(devname, ioc_name(iocg->ioc))
|
|
__string(cgroup, path)
|
|
__field(u64, now)
|
|
__field(u64, vnow)
|
|
__field(u32, usage_pct)
|
|
__field(u64, old_debt)
|
|
__field(u64, new_debt)
|
|
__field(u64, old_delay)
|
|
__field(u64, new_delay)
|
|
),
|
|
|
|
TP_fast_assign(
|
|
__assign_str(devname, ioc_name(iocg->ioc));
|
|
__assign_str(cgroup, path);
|
|
__entry->now = now->now;
|
|
__entry->vnow = now->vnow;
|
|
__entry->usage_pct = usage_pct;
|
|
__entry->old_debt = old_debt;
|
|
__entry->new_debt = new_debt;
|
|
__entry->old_delay = old_delay;
|
|
__entry->new_delay = new_delay;
|
|
),
|
|
|
|
TP_printk("[%s:%s] now=%llu:%llu usage=%u debt=%llu->%llu delay=%llu->%llu",
|
|
__get_str(devname), __get_str(cgroup),
|
|
__entry->now, __entry->vnow, __entry->usage_pct,
|
|
__entry->old_debt, __entry->new_debt,
|
|
__entry->old_delay, __entry->new_delay
|
|
)
|
|
);
|
|
|
|
#endif /* _TRACE_BLK_IOCOST_H */
|
|
|
|
/* This part must be outside protection */
|
|
#include <trace/define_trace.h>
|