diff options
| author | Tejun Heo <tj@kernel.org> | 2020-09-17 20:44:56 -0400 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2020-09-25 08:35:02 -0600 |
| commit | c5a6561b8d99ea7d8df21308249ce05bce3dd466 (patch) | |
| tree | 375d70f7fd4bfcee50cf07ea43735fbd98611d62 /include/trace | |
| parent | c7af2a003a411853fc9c805efe96d10dcc8adb5f (diff) | |
| download | linux-c5a6561b8d99ea7d8df21308249ce05bce3dd466.tar.bz2 | |
iocost: add iocg_forgive_debt tracepoint
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'include/trace')
| -rw-r--r-- | include/trace/events/iocost.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/include/trace/events/iocost.h b/include/trace/events/iocost.h index b350860d2e71..0b6869980ba2 100644 --- a/include/trace/events/iocost.h +++ b/include/trace/events/iocost.h @@ -164,6 +164,47 @@ TRACE_EVENT(iocost_ioc_vrate_adj, ) ); +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 */ |