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1/* SPDX-License-Identifier: GPL-2.0 */2#undef TRACE_SYSTEM3#define TRACE_SYSTEM iocost4 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_H11 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);38 __assign_str(cgroup);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_active59 )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);97 __assign_str(cgroup);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_inuse109 )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);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_shortages178 )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);204 __assign_str(cgroup);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_delay219 )220);221 222#endif /* _TRACE_BLK_IOCOST_H */223 224/* This part must be outside protection */225#include <trace/define_trace.h>226