1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #undef TRACE_SYSTEM 3 #define TRACE_SYSTEM iocost 4 5 struct ioc; 6 struct ioc_now; 7 struct 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 14 DECLARE_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 62 DEFINE_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 69 DEFINE_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 76 DECLARE_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 ); 111 112 DEFINE_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 ); 121 122 DEFINE_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 ); 131 132 DEFINE_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 ); 141 142 TRACE_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 ); 180 181 TRACE_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> 226