1/* SPDX-License-Identifier: GPL-2.0 */
  2#undef TRACE_SYSTEM
  3#define TRACE_SYSTEM iocost
  4
  5struct ioc;
  6struct ioc_now;
  7struct ioc_gq;
  8
  9#if !defined(_TRACE_BLK_IOCOST_H) || defined(TRACE_HEADER_MULTI_READ)
 10#define _TRACE_BLK_IOCOST_H
 11
 12#include <linux/tracepoint.h>
 13
 14DECLARE_EVENT_CLASS(iocost_iocg_state,
 15
 16	TP_PROTO(struct ioc_gq *iocg, const char *path, struct ioc_now *now,
 17		u64 last_period, u64 cur_period, u64 vtime),
 18
 19	TP_ARGS(iocg, path, now, last_period, cur_period, vtime),
 20
 21	TP_STRUCT__entry (
 22		__string(devname, ioc_name(iocg->ioc))
 23		__string(cgroup, path)
 24		__field(u64, now)
 25		__field(u64, vnow)
 26		__field(u64, vrate)
 27		__field(u64, last_period)
 28		__field(u64, cur_period)
 29		__field(u64, vtime)
 30		__field(u32, weight)
 31		__field(u32, inuse)
 32		__field(u64, hweight_active)
 33		__field(u64, hweight_inuse)
 34	),
 35
 36	TP_fast_assign(
 37		__assign_str(devname, ioc_name(iocg->ioc));
 38		__assign_str(cgroup, path);
 39		__entry->now = now->now;
 40		__entry->vnow = now->vnow;
 41		__entry->vrate = iocg->ioc->vtime_base_rate;
 42		__entry->last_period = last_period;
 43		__entry->cur_period = cur_period;
 44		__entry->vtime = vtime;
 45		__entry->weight = iocg->weight;
 46		__entry->inuse = iocg->inuse;
 47		__entry->hweight_active = iocg->hweight_active;
 48		__entry->hweight_inuse = iocg->hweight_inuse;
 49	),
 50
 51	TP_printk("[%s:%s] now=%llu:%llu vrate=%llu "
 52		  "period=%llu->%llu vtime=%llu "
 53		  "weight=%u/%u hweight=%llu/%llu",
 54		__get_str(devname), __get_str(cgroup),
 55		__entry->now, __entry->vnow, __entry->vrate,
 56		__entry->last_period, __entry->cur_period,
 57		__entry->vtime, __entry->inuse, __entry->weight,
 58		__entry->hweight_inuse, __entry->hweight_active
 59	)
 60);
 61
 62DEFINE_EVENT(iocost_iocg_state, iocost_iocg_activate,
 63	TP_PROTO(struct ioc_gq *iocg, const char *path, struct ioc_now *now,
 64		 u64 last_period, u64 cur_period, u64 vtime),
 65
 66	TP_ARGS(iocg, path, now, last_period, cur_period, vtime)
 67);
 68
 69DEFINE_EVENT(iocost_iocg_state, iocost_iocg_idle,
 70	TP_PROTO(struct ioc_gq *iocg, const char *path, struct ioc_now *now,
 71		 u64 last_period, u64 cur_period, u64 vtime),
 72
 73	TP_ARGS(iocg, path, now, last_period, cur_period, vtime)
 74);
 75
 76DECLARE_EVENT_CLASS(iocg_inuse_update,
 77
 78	TP_PROTO(struct ioc_gq *iocg, const char *path, struct ioc_now *now,
 79		u32 old_inuse, u32 new_inuse,
 80		u64 old_hw_inuse, u64 new_hw_inuse),
 81
 82	TP_ARGS(iocg, path, now, old_inuse, new_inuse,
 83		old_hw_inuse, new_hw_inuse),
 84
 85	TP_STRUCT__entry (
 86		__string(devname, ioc_name(iocg->ioc))
 87		__string(cgroup, path)
 88		__field(u64, now)
 89		__field(u32, old_inuse)
 90		__field(u32, new_inuse)
 91		__field(u64, old_hweight_inuse)
 92		__field(u64, new_hweight_inuse)
 93	),
 94
 95	TP_fast_assign(
 96		__assign_str(devname, ioc_name(iocg->ioc));
 97		__assign_str(cgroup, path);
 98		__entry->now = now->now;
 99		__entry->old_inuse = old_inuse;
100		__entry->new_inuse = new_inuse;
101		__entry->old_hweight_inuse = old_hw_inuse;
102		__entry->new_hweight_inuse = new_hw_inuse;
103	),
104
105	TP_printk("[%s:%s] now=%llu inuse=%u->%u hw_inuse=%llu->%llu",
106		__get_str(devname), __get_str(cgroup), __entry->now,
107		__entry->old_inuse, __entry->new_inuse,
108		__entry->old_hweight_inuse, __entry->new_hweight_inuse
109	)
110);
111
112DEFINE_EVENT(iocg_inuse_update, iocost_inuse_shortage,
113
114	TP_PROTO(struct ioc_gq *iocg, const char *path, struct ioc_now *now,
115		u32 old_inuse, u32 new_inuse,
116		u64 old_hw_inuse, u64 new_hw_inuse),
117
118	TP_ARGS(iocg, path, now, old_inuse, new_inuse,
119		old_hw_inuse, new_hw_inuse)
120);
121
122DEFINE_EVENT(iocg_inuse_update, iocost_inuse_transfer,
123
124	TP_PROTO(struct ioc_gq *iocg, const char *path, struct ioc_now *now,
125		u32 old_inuse, u32 new_inuse,
126		u64 old_hw_inuse, u64 new_hw_inuse),
127
128	TP_ARGS(iocg, path, now, old_inuse, new_inuse,
129		old_hw_inuse, new_hw_inuse)
130);
131
132DEFINE_EVENT(iocg_inuse_update, iocost_inuse_adjust,
133
134	TP_PROTO(struct ioc_gq *iocg, const char *path, struct ioc_now *now,
135		u32 old_inuse, u32 new_inuse,
136		u64 old_hw_inuse, u64 new_hw_inuse),
137
138	TP_ARGS(iocg, path, now, old_inuse, new_inuse,
139		old_hw_inuse, new_hw_inuse)
140);
141
142TRACE_EVENT(iocost_ioc_vrate_adj,
143
144	TP_PROTO(struct ioc *ioc, u64 new_vrate, u32 *missed_ppm,
145		u32 rq_wait_pct, int nr_lagging, int nr_shortages),
146
147	TP_ARGS(ioc, new_vrate, missed_ppm, rq_wait_pct, nr_lagging, nr_shortages),
148
149	TP_STRUCT__entry (
150		__string(devname, ioc_name(ioc))
151		__field(u64, old_vrate)
152		__field(u64, new_vrate)
153		__field(int, busy_level)
154		__field(u32, read_missed_ppm)
155		__field(u32, write_missed_ppm)
156		__field(u32, rq_wait_pct)
157		__field(int, nr_lagging)
158		__field(int, nr_shortages)
159	),
160
161	TP_fast_assign(
162		__assign_str(devname, ioc_name(ioc));
163		__entry->old_vrate = ioc->vtime_base_rate;
164		__entry->new_vrate = new_vrate;
165		__entry->busy_level = ioc->busy_level;
166		__entry->read_missed_ppm = missed_ppm[READ];
167		__entry->write_missed_ppm = missed_ppm[WRITE];
168		__entry->rq_wait_pct = rq_wait_pct;
169		__entry->nr_lagging = nr_lagging;
170		__entry->nr_shortages = nr_shortages;
171	),
172
173	TP_printk("[%s] vrate=%llu->%llu busy=%d missed_ppm=%u:%u rq_wait_pct=%u lagging=%d shortages=%d",
174		__get_str(devname), __entry->old_vrate, __entry->new_vrate,
175		__entry->busy_level,
176		__entry->read_missed_ppm, __entry->write_missed_ppm,
177		__entry->rq_wait_pct, __entry->nr_lagging, __entry->nr_shortages
178	)
179);
180
181TRACE_EVENT(iocost_iocg_forgive_debt,
182
183	TP_PROTO(struct ioc_gq *iocg, const char *path, struct ioc_now *now,
184		u32 usage_pct, u64 old_debt, u64 new_debt,
185		u64 old_delay, u64 new_delay),
186
187	TP_ARGS(iocg, path, now, usage_pct,
188		old_debt, new_debt, old_delay, new_delay),
189
190	TP_STRUCT__entry (
191		__string(devname, ioc_name(iocg->ioc))
192		__string(cgroup, path)
193		__field(u64, now)
194		__field(u64, vnow)
195		__field(u32, usage_pct)
196		__field(u64, old_debt)
197		__field(u64, new_debt)
198		__field(u64, old_delay)
199		__field(u64, new_delay)
200	),
201
202	TP_fast_assign(
203		__assign_str(devname, ioc_name(iocg->ioc));
204		__assign_str(cgroup, path);
205		__entry->now = now->now;
206		__entry->vnow = now->vnow;
207		__entry->usage_pct = usage_pct;
208		__entry->old_debt = old_debt;
209		__entry->new_debt = new_debt;
210		__entry->old_delay = old_delay;
211		__entry->new_delay = new_delay;
212	),
213
214	TP_printk("[%s:%s] now=%llu:%llu usage=%u debt=%llu->%llu delay=%llu->%llu",
215		__get_str(devname), __get_str(cgroup),
216		__entry->now, __entry->vnow, __entry->usage_pct,
217		__entry->old_debt, __entry->new_debt,
218		__entry->old_delay, __entry->new_delay
219	)
220);
221
222#endif /* _TRACE_BLK_IOCOST_H */
223
224/* This part must be outside protection */
225#include <trace/define_trace.h>