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225 lines
6.2 KiB
225 lines
6.2 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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#undef TRACE_SYSTEM |
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#define TRACE_SYSTEM iocost |
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struct ioc; |
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struct ioc_now; |
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struct ioc_gq; |
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#if !defined(_TRACE_BLK_IOCOST_H) || defined(TRACE_HEADER_MULTI_READ) |
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#define _TRACE_BLK_IOCOST_H |
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#include <linux/tracepoint.h> |
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DECLARE_EVENT_CLASS(iocost_iocg_state, |
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TP_PROTO(struct ioc_gq *iocg, const char *path, struct ioc_now *now, |
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u64 last_period, u64 cur_period, u64 vtime), |
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TP_ARGS(iocg, path, now, last_period, cur_period, vtime), |
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TP_STRUCT__entry ( |
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__string(devname, ioc_name(iocg->ioc)) |
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__string(cgroup, path) |
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__field(u64, now) |
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__field(u64, vnow) |
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__field(u64, vrate) |
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__field(u64, last_period) |
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__field(u64, cur_period) |
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__field(u64, vtime) |
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__field(u32, weight) |
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__field(u32, inuse) |
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__field(u64, hweight_active) |
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__field(u64, hweight_inuse) |
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), |
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TP_fast_assign( |
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__assign_str(devname, ioc_name(iocg->ioc)); |
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__assign_str(cgroup, path); |
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__entry->now = now->now; |
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__entry->vnow = now->vnow; |
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__entry->vrate = now->vrate; |
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__entry->last_period = last_period; |
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__entry->cur_period = cur_period; |
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__entry->vtime = vtime; |
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__entry->weight = iocg->weight; |
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__entry->inuse = iocg->inuse; |
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__entry->hweight_active = iocg->hweight_active; |
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__entry->hweight_inuse = iocg->hweight_inuse; |
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), |
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TP_printk("[%s:%s] now=%llu:%llu vrate=%llu " |
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"period=%llu->%llu vtime=%llu " |
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"weight=%u/%u hweight=%llu/%llu", |
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__get_str(devname), __get_str(cgroup), |
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__entry->now, __entry->vnow, __entry->vrate, |
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__entry->last_period, __entry->cur_period, |
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__entry->vtime, __entry->inuse, __entry->weight, |
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__entry->hweight_inuse, __entry->hweight_active |
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) |
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); |
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DEFINE_EVENT(iocost_iocg_state, iocost_iocg_activate, |
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TP_PROTO(struct ioc_gq *iocg, const char *path, struct ioc_now *now, |
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u64 last_period, u64 cur_period, u64 vtime), |
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TP_ARGS(iocg, path, now, last_period, cur_period, vtime) |
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); |
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DEFINE_EVENT(iocost_iocg_state, iocost_iocg_idle, |
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TP_PROTO(struct ioc_gq *iocg, const char *path, struct ioc_now *now, |
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u64 last_period, u64 cur_period, u64 vtime), |
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TP_ARGS(iocg, path, now, last_period, cur_period, vtime) |
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); |
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DECLARE_EVENT_CLASS(iocg_inuse_update, |
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TP_PROTO(struct ioc_gq *iocg, const char *path, struct ioc_now *now, |
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u32 old_inuse, u32 new_inuse, |
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u64 old_hw_inuse, u64 new_hw_inuse), |
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TP_ARGS(iocg, path, now, old_inuse, new_inuse, |
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old_hw_inuse, new_hw_inuse), |
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TP_STRUCT__entry ( |
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__string(devname, ioc_name(iocg->ioc)) |
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__string(cgroup, path) |
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__field(u64, now) |
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__field(u32, old_inuse) |
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__field(u32, new_inuse) |
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__field(u64, old_hweight_inuse) |
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__field(u64, new_hweight_inuse) |
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), |
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TP_fast_assign( |
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__assign_str(devname, ioc_name(iocg->ioc)); |
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__assign_str(cgroup, path); |
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__entry->now = now->now; |
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__entry->old_inuse = old_inuse; |
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__entry->new_inuse = new_inuse; |
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__entry->old_hweight_inuse = old_hw_inuse; |
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__entry->new_hweight_inuse = new_hw_inuse; |
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), |
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TP_printk("[%s:%s] now=%llu inuse=%u->%u hw_inuse=%llu->%llu", |
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__get_str(devname), __get_str(cgroup), __entry->now, |
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__entry->old_inuse, __entry->new_inuse, |
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__entry->old_hweight_inuse, __entry->new_hweight_inuse |
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) |
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); |
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DEFINE_EVENT(iocg_inuse_update, iocost_inuse_shortage, |
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TP_PROTO(struct ioc_gq *iocg, const char *path, struct ioc_now *now, |
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u32 old_inuse, u32 new_inuse, |
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u64 old_hw_inuse, u64 new_hw_inuse), |
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TP_ARGS(iocg, path, now, old_inuse, new_inuse, |
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old_hw_inuse, new_hw_inuse) |
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); |
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DEFINE_EVENT(iocg_inuse_update, iocost_inuse_transfer, |
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TP_PROTO(struct ioc_gq *iocg, const char *path, struct ioc_now *now, |
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u32 old_inuse, u32 new_inuse, |
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u64 old_hw_inuse, u64 new_hw_inuse), |
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TP_ARGS(iocg, path, now, old_inuse, new_inuse, |
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old_hw_inuse, new_hw_inuse) |
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); |
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DEFINE_EVENT(iocg_inuse_update, iocost_inuse_adjust, |
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TP_PROTO(struct ioc_gq *iocg, const char *path, struct ioc_now *now, |
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u32 old_inuse, u32 new_inuse, |
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u64 old_hw_inuse, u64 new_hw_inuse), |
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TP_ARGS(iocg, path, now, old_inuse, new_inuse, |
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old_hw_inuse, new_hw_inuse) |
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); |
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TRACE_EVENT(iocost_ioc_vrate_adj, |
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TP_PROTO(struct ioc *ioc, u64 new_vrate, u32 *missed_ppm, |
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u32 rq_wait_pct, int nr_lagging, int nr_shortages), |
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TP_ARGS(ioc, new_vrate, missed_ppm, rq_wait_pct, nr_lagging, nr_shortages), |
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TP_STRUCT__entry ( |
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__string(devname, ioc_name(ioc)) |
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__field(u64, old_vrate) |
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__field(u64, new_vrate) |
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__field(int, busy_level) |
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__field(u32, read_missed_ppm) |
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__field(u32, write_missed_ppm) |
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__field(u32, rq_wait_pct) |
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__field(int, nr_lagging) |
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__field(int, nr_shortages) |
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), |
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TP_fast_assign( |
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__assign_str(devname, ioc_name(ioc)); |
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__entry->old_vrate = atomic64_read(&ioc->vtime_rate);; |
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__entry->new_vrate = new_vrate; |
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__entry->busy_level = ioc->busy_level; |
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__entry->read_missed_ppm = missed_ppm[READ]; |
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__entry->write_missed_ppm = missed_ppm[WRITE]; |
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__entry->rq_wait_pct = rq_wait_pct; |
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__entry->nr_lagging = nr_lagging; |
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__entry->nr_shortages = nr_shortages; |
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), |
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TP_printk("[%s] vrate=%llu->%llu busy=%d missed_ppm=%u:%u rq_wait_pct=%u lagging=%d shortages=%d", |
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__get_str(devname), __entry->old_vrate, __entry->new_vrate, |
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__entry->busy_level, |
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__entry->read_missed_ppm, __entry->write_missed_ppm, |
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__entry->rq_wait_pct, __entry->nr_lagging, __entry->nr_shortages |
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) |
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); |
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TRACE_EVENT(iocost_iocg_forgive_debt, |
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TP_PROTO(struct ioc_gq *iocg, const char *path, struct ioc_now *now, |
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u32 usage_pct, u64 old_debt, u64 new_debt, |
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u64 old_delay, u64 new_delay), |
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TP_ARGS(iocg, path, now, usage_pct, |
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old_debt, new_debt, old_delay, new_delay), |
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TP_STRUCT__entry ( |
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__string(devname, ioc_name(iocg->ioc)) |
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__string(cgroup, path) |
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__field(u64, now) |
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__field(u64, vnow) |
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__field(u32, usage_pct) |
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__field(u64, old_debt) |
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__field(u64, new_debt) |
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__field(u64, old_delay) |
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__field(u64, new_delay) |
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), |
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TP_fast_assign( |
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__assign_str(devname, ioc_name(iocg->ioc)); |
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__assign_str(cgroup, path); |
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__entry->now = now->now; |
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__entry->vnow = now->vnow; |
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__entry->usage_pct = usage_pct; |
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__entry->old_debt = old_debt; |
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__entry->new_debt = new_debt; |
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__entry->old_delay = old_delay; |
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__entry->new_delay = new_delay; |
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), |
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TP_printk("[%s:%s] now=%llu:%llu usage=%u debt=%llu->%llu delay=%llu->%llu", |
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__get_str(devname), __get_str(cgroup), |
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__entry->now, __entry->vnow, __entry->usage_pct, |
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__entry->old_debt, __entry->new_debt, |
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__entry->old_delay, __entry->new_delay |
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) |
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); |
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#endif /* _TRACE_BLK_IOCOST_H */ |
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/* This part must be outside protection */ |
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#include <trace/define_trace.h>
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