CasperSecurity
/* 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>
DECLARE_EVENT_CLASS(iocost_iocg_state,
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
)
);
DEFINE_EVENT(iocost_iocg_state, 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)
);
DEFINE_EVENT(iocost_iocg_state, iocost_iocg_idle,
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)
);
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>