summaryrefslogtreecommitdiffstats
path: root/include/trace/events/iocost.h
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /include/trace/events/iocost.h
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'include/trace/events/iocost.h')
-rw-r--r--include/trace/events/iocost.h225
1 files changed, 225 insertions, 0 deletions
diff --git a/include/trace/events/iocost.h b/include/trace/events/iocost.h
new file mode 100644
index 000000000..6d1626e7a
--- /dev/null
+++ b/include/trace/events/iocost.h
@@ -0,0 +1,225 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM iocost
+
+struct ioc;
+struct ioc_now;
+struct ioc_gq;
+
+#if !defined(_TRACE_BLK_IOCOST_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_BLK_IOCOST_H
+
+#include <linux/tracepoint.h>
+
+DECLARE_EVENT_CLASS(iocost_iocg_state,
+
+ TP_PROTO(struct ioc_gq *iocg, const char *path, struct ioc_now *now,
+ u64 last_period, u64 cur_period, u64 vtime),
+
+ TP_ARGS(iocg, path, now, last_period, cur_period, vtime),
+
+ TP_STRUCT__entry (
+ __string(devname, ioc_name(iocg->ioc))
+ __string(cgroup, path)
+ __field(u64, now)
+ __field(u64, vnow)
+ __field(u64, vrate)
+ __field(u64, last_period)
+ __field(u64, cur_period)
+ __field(u64, vtime)
+ __field(u32, weight)
+ __field(u32, inuse)
+ __field(u64, hweight_active)
+ __field(u64, hweight_inuse)
+ ),
+
+ TP_fast_assign(
+ __assign_str(devname, ioc_name(iocg->ioc));
+ __assign_str(cgroup, path);
+ __entry->now = now->now;
+ __entry->vnow = now->vnow;
+ __entry->vrate = now->vrate;
+ __entry->last_period = last_period;
+ __entry->cur_period = cur_period;
+ __entry->vtime = vtime;
+ __entry->weight = iocg->weight;
+ __entry->inuse = iocg->inuse;
+ __entry->hweight_active = iocg->hweight_active;
+ __entry->hweight_inuse = iocg->hweight_inuse;
+ ),
+
+ TP_printk("[%s:%s] now=%llu:%llu vrate=%llu "
+ "period=%llu->%llu vtime=%llu "
+ "weight=%u/%u hweight=%llu/%llu",
+ __get_str(devname), __get_str(cgroup),
+ __entry->now, __entry->vnow, __entry->vrate,
+ __entry->last_period, __entry->cur_period,
+ __entry->vtime, __entry->inuse, __entry->weight,
+ __entry->hweight_inuse, __entry->hweight_active
+ )
+);
+
+DEFINE_EVENT(iocost_iocg_state, iocost_iocg_activate,
+ TP_PROTO(struct ioc_gq *iocg, const char *path, struct ioc_now *now,
+ u64 last_period, u64 cur_period, u64 vtime),
+
+ TP_ARGS(iocg, path, now, last_period, cur_period, vtime)
+);
+
+DEFINE_EVENT(iocost_iocg_state, iocost_iocg_idle,
+ TP_PROTO(struct ioc_gq *iocg, const char *path, struct ioc_now *now,
+ u64 last_period, u64 cur_period, u64 vtime),
+
+ TP_ARGS(iocg, path, now, last_period, cur_period, vtime)
+);
+
+DECLARE_EVENT_CLASS(iocg_inuse_update,
+
+ TP_PROTO(struct ioc_gq *iocg, const char *path, struct ioc_now *now,
+ u32 old_inuse, u32 new_inuse,
+ u64 old_hw_inuse, u64 new_hw_inuse),
+
+ TP_ARGS(iocg, path, now, old_inuse, new_inuse,
+ old_hw_inuse, new_hw_inuse),
+
+ TP_STRUCT__entry (
+ __string(devname, ioc_name(iocg->ioc))
+ __string(cgroup, path)
+ __field(u64, now)
+ __field(u32, old_inuse)
+ __field(u32, new_inuse)
+ __field(u64, old_hweight_inuse)
+ __field(u64, new_hweight_inuse)
+ ),
+
+ TP_fast_assign(
+ __assign_str(devname, ioc_name(iocg->ioc));
+ __assign_str(cgroup, path);
+ __entry->now = now->now;
+ __entry->old_inuse = old_inuse;
+ __entry->new_inuse = new_inuse;
+ __entry->old_hweight_inuse = old_hw_inuse;
+ __entry->new_hweight_inuse = new_hw_inuse;
+ ),
+
+ TP_printk("[%s:%s] now=%llu inuse=%u->%u hw_inuse=%llu->%llu",
+ __get_str(devname), __get_str(cgroup), __entry->now,
+ __entry->old_inuse, __entry->new_inuse,
+ __entry->old_hweight_inuse, __entry->new_hweight_inuse
+ )
+);
+
+DEFINE_EVENT(iocg_inuse_update, iocost_inuse_shortage,
+
+ TP_PROTO(struct ioc_gq *iocg, const char *path, struct ioc_now *now,
+ u32 old_inuse, u32 new_inuse,
+ u64 old_hw_inuse, u64 new_hw_inuse),
+
+ TP_ARGS(iocg, path, now, old_inuse, new_inuse,
+ old_hw_inuse, new_hw_inuse)
+);
+
+DEFINE_EVENT(iocg_inuse_update, iocost_inuse_transfer,
+
+ TP_PROTO(struct ioc_gq *iocg, const char *path, struct ioc_now *now,
+ u32 old_inuse, u32 new_inuse,
+ u64 old_hw_inuse, u64 new_hw_inuse),
+
+ TP_ARGS(iocg, path, now, old_inuse, new_inuse,
+ old_hw_inuse, new_hw_inuse)
+);
+
+DEFINE_EVENT(iocg_inuse_update, iocost_inuse_adjust,
+
+ TP_PROTO(struct ioc_gq *iocg, const char *path, struct ioc_now *now,
+ u32 old_inuse, u32 new_inuse,
+ u64 old_hw_inuse, u64 new_hw_inuse),
+
+ TP_ARGS(iocg, path, now, old_inuse, new_inuse,
+ old_hw_inuse, new_hw_inuse)
+);
+
+TRACE_EVENT(iocost_ioc_vrate_adj,
+
+ TP_PROTO(struct ioc *ioc, u64 new_vrate, u32 *missed_ppm,
+ u32 rq_wait_pct, int nr_lagging, int nr_shortages),
+
+ TP_ARGS(ioc, new_vrate, missed_ppm, rq_wait_pct, nr_lagging, nr_shortages),
+
+ TP_STRUCT__entry (
+ __string(devname, ioc_name(ioc))
+ __field(u64, old_vrate)
+ __field(u64, new_vrate)
+ __field(int, busy_level)
+ __field(u32, read_missed_ppm)
+ __field(u32, write_missed_ppm)
+ __field(u32, rq_wait_pct)
+ __field(int, nr_lagging)
+ __field(int, nr_shortages)
+ ),
+
+ TP_fast_assign(
+ __assign_str(devname, ioc_name(ioc));
+ __entry->old_vrate = atomic64_read(&ioc->vtime_rate);
+ __entry->new_vrate = new_vrate;
+ __entry->busy_level = ioc->busy_level;
+ __entry->read_missed_ppm = missed_ppm[READ];
+ __entry->write_missed_ppm = missed_ppm[WRITE];
+ __entry->rq_wait_pct = rq_wait_pct;
+ __entry->nr_lagging = nr_lagging;
+ __entry->nr_shortages = nr_shortages;
+ ),
+
+ TP_printk("[%s] vrate=%llu->%llu busy=%d missed_ppm=%u:%u rq_wait_pct=%u lagging=%d shortages=%d",
+ __get_str(devname), __entry->old_vrate, __entry->new_vrate,
+ __entry->busy_level,
+ __entry->read_missed_ppm, __entry->write_missed_ppm,
+ __entry->rq_wait_pct, __entry->nr_lagging, __entry->nr_shortages
+ )
+);
+
+TRACE_EVENT(iocost_iocg_forgive_debt,
+
+ TP_PROTO(struct ioc_gq *iocg, const char *path, struct ioc_now *now,
+ u32 usage_pct, u64 old_debt, u64 new_debt,
+ u64 old_delay, u64 new_delay),
+
+ TP_ARGS(iocg, path, now, usage_pct,
+ old_debt, new_debt, old_delay, new_delay),
+
+ TP_STRUCT__entry (
+ __string(devname, ioc_name(iocg->ioc))
+ __string(cgroup, path)
+ __field(u64, now)
+ __field(u64, vnow)
+ __field(u32, usage_pct)
+ __field(u64, old_debt)
+ __field(u64, new_debt)
+ __field(u64, old_delay)
+ __field(u64, new_delay)
+ ),
+
+ TP_fast_assign(
+ __assign_str(devname, ioc_name(iocg->ioc));
+ __assign_str(cgroup, path);
+ __entry->now = now->now;
+ __entry->vnow = now->vnow;
+ __entry->usage_pct = usage_pct;
+ __entry->old_debt = old_debt;
+ __entry->new_debt = new_debt;
+ __entry->old_delay = old_delay;
+ __entry->new_delay = new_delay;
+ ),
+
+ TP_printk("[%s:%s] now=%llu:%llu usage=%u debt=%llu->%llu delay=%llu->%llu",
+ __get_str(devname), __get_str(cgroup),
+ __entry->now, __entry->vnow, __entry->usage_pct,
+ __entry->old_debt, __entry->new_debt,
+ __entry->old_delay, __entry->new_delay
+ )
+);
+
+#endif /* _TRACE_BLK_IOCOST_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>