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 TRACE_EVENT(iocost_iocg_activate, 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, last_vtime) 30 __field(u64, vtime) 31 __field(u32, weight) 32 __field(u32, inuse) 33 __field(u64, hweight_active) 34 __field(u64, hweight_inuse) 35 ), 36 37 TP_fast_assign( 38 __assign_str(devname, ioc_name(iocg->ioc)); 39 __assign_str(cgroup, path); 40 __entry->now = now->now; 41 __entry->vnow = now->vnow; 42 __entry->vrate = now->vrate; 43 __entry->last_period = last_period; 44 __entry->cur_period = cur_period; 45 __entry->last_vtime = iocg->last_vtime; 46 __entry->vtime = vtime; 47 __entry->weight = iocg->weight; 48 __entry->inuse = iocg->inuse; 49 __entry->hweight_active = iocg->hweight_active; 50 __entry->hweight_inuse = iocg->hweight_inuse; 51 ), 52 53 TP_printk("[%s:%s] now=%llu:%llu vrate=%llu " 54 "period=%llu->%llu vtime=%llu->%llu " 55 "weight=%u/%u hweight=%llu/%llu", 56 __get_str(devname), __get_str(cgroup), 57 __entry->now, __entry->vnow, __entry->vrate, 58 __entry->last_period, __entry->cur_period, 59 __entry->last_vtime, __entry->vtime, 60 __entry->inuse, __entry->weight, 61 __entry->hweight_inuse, __entry->hweight_active 62 ) 63 ); 64 65 DECLARE_EVENT_CLASS(iocg_inuse_update, 66 67 TP_PROTO(struct ioc_gq *iocg, const char *path, struct ioc_now *now, 68 u32 old_inuse, u32 new_inuse, 69 u64 old_hw_inuse, u64 new_hw_inuse), 70 71 TP_ARGS(iocg, path, now, old_inuse, new_inuse, 72 old_hw_inuse, new_hw_inuse), 73 74 TP_STRUCT__entry ( 75 __string(devname, ioc_name(iocg->ioc)) 76 __string(cgroup, path) 77 __field(u64, now) 78 __field(u32, old_inuse) 79 __field(u32, new_inuse) 80 __field(u64, old_hweight_inuse) 81 __field(u64, new_hweight_inuse) 82 ), 83 84 TP_fast_assign( 85 __assign_str(devname, ioc_name(iocg->ioc)); 86 __assign_str(cgroup, path); 87 __entry->now = now->now; 88 __entry->old_inuse = old_inuse; 89 __entry->new_inuse = new_inuse; 90 __entry->old_hweight_inuse = old_hw_inuse; 91 __entry->new_hweight_inuse = new_hw_inuse; 92 ), 93 94 TP_printk("[%s:%s] now=%llu inuse=%u->%u hw_inuse=%llu->%llu", 95 __get_str(devname), __get_str(cgroup), __entry->now, 96 __entry->old_inuse, __entry->new_inuse, 97 __entry->old_hweight_inuse, __entry->new_hweight_inuse 98 ) 99 ); 100 101 DEFINE_EVENT(iocg_inuse_update, iocost_inuse_takeback, 102 103 TP_PROTO(struct ioc_gq *iocg, const char *path, struct ioc_now *now, 104 u32 old_inuse, u32 new_inuse, 105 u64 old_hw_inuse, u64 new_hw_inuse), 106 107 TP_ARGS(iocg, path, now, old_inuse, new_inuse, 108 old_hw_inuse, new_hw_inuse) 109 ); 110 111 DEFINE_EVENT(iocg_inuse_update, iocost_inuse_giveaway, 112 113 TP_PROTO(struct ioc_gq *iocg, const char *path, struct ioc_now *now, 114 u32 old_inuse, u32 new_inuse, 115 u64 old_hw_inuse, u64 new_hw_inuse), 116 117 TP_ARGS(iocg, path, now, old_inuse, new_inuse, 118 old_hw_inuse, new_hw_inuse) 119 ); 120 121 DEFINE_EVENT(iocg_inuse_update, iocost_inuse_reset, 122 123 TP_PROTO(struct ioc_gq *iocg, const char *path, struct ioc_now *now, 124 u32 old_inuse, u32 new_inuse, 125 u64 old_hw_inuse, u64 new_hw_inuse), 126 127 TP_ARGS(iocg, path, now, old_inuse, new_inuse, 128 old_hw_inuse, new_hw_inuse) 129 ); 130 131 TRACE_EVENT(iocost_ioc_vrate_adj, 132 133 TP_PROTO(struct ioc *ioc, u64 new_vrate, u32 (*missed_ppm)[2], 134 u32 rq_wait_pct, int nr_lagging, int nr_shortages, 135 int nr_surpluses), 136 137 TP_ARGS(ioc, new_vrate, missed_ppm, rq_wait_pct, nr_lagging, nr_shortages, 138 nr_surpluses), 139 140 TP_STRUCT__entry ( 141 __string(devname, ioc_name(ioc)) 142 __field(u64, old_vrate) 143 __field(u64, new_vrate) 144 __field(int, busy_level) 145 __field(u32, read_missed_ppm) 146 __field(u32, write_missed_ppm) 147 __field(u32, rq_wait_pct) 148 __field(int, nr_lagging) 149 __field(int, nr_shortages) 150 __field(int, nr_surpluses) 151 ), 152 153 TP_fast_assign( 154 __assign_str(devname, ioc_name(ioc)); 155 __entry->old_vrate = atomic64_read(&ioc->vtime_rate);; 156 __entry->new_vrate = new_vrate; 157 __entry->busy_level = ioc->busy_level; 158 __entry->read_missed_ppm = (*missed_ppm)[READ]; 159 __entry->write_missed_ppm = (*missed_ppm)[WRITE]; 160 __entry->rq_wait_pct = rq_wait_pct; 161 __entry->nr_lagging = nr_lagging; 162 __entry->nr_shortages = nr_shortages; 163 __entry->nr_surpluses = nr_surpluses; 164 ), 165 166 TP_printk("[%s] vrate=%llu->%llu busy=%d missed_ppm=%u:%u rq_wait_pct=%u lagging=%d shortages=%d surpluses=%d", 167 __get_str(devname), __entry->old_vrate, __entry->new_vrate, 168 __entry->busy_level, 169 __entry->read_missed_ppm, __entry->write_missed_ppm, 170 __entry->rq_wait_pct, __entry->nr_lagging, __entry->nr_shortages, 171 __entry->nr_surpluses 172 ) 173 ); 174 175 #endif /* _TRACE_BLK_IOCOST_H */ 176 177 /* This part must be outside protection */ 178 #include <trace/define_trace.h> 179