public-mirrors/linux
1
0
Fork 0
mirror of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2025-08-05 16:54:27 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

RDMA/hns: Add trace for AEQE dumping

Browse source 
Add trace for AEQE dumping.

Output example:
$ cat /sys/kernel/debug/tracing/trace
  tracer: nop

  entries-in-buffer/entries-written: 2/2   #P:128

                                 _-----=> irqs-off/BH-disabled
                               / _----=> need-resched
                               | / _---=> hardirq/softirq
                               || / _--=> preempt-depth
                               ||| / _-=> migrate-disable
                               |||| /     delay
            TASK-PID     CPU#  |||||  TIMESTAMP  FUNCTION
               | |         |   |||||     |         |
	  <idle>-0       [120] d.h1.  7995.835587: hns_ae_info: event 19 aeqe:
{0x80006013,0x0,0x0,0x10d2c,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0}

Signed-off-by: Junxian Huang <huangjunxian6@hisilicon.com>
Link: https://patch.msgid.link/20250421132750.1363348-4-huangjunxian6@hisilicon.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
This commit is contained in:
Junxian Huang 2025-04-21 21:27:47 +08:00 • committed by Leon Romanovsky
parent 6c98c86708
commit 1e63e2f966
2 changed files with 20 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

1
drivers/infiniband/hw/hns/hns_roce_hw_v2.c
View file

@ -6260,6 +6260,7 @@ static irqreturn_t hns_roce_v2_aeq_int(struct hns_roce_dev *hr_dev,
eq->sub_type = sub_type;
++eq->cons_index;
aeqe_found = IRQ_HANDLED;
trace_hns_ae_info(event_type, aeqe, eq->eqe_size);
atomic64_inc(&hr_dev->dfx_cnt[HNS_ROCE_DFX_AEQE_CNT]);

19
drivers/infiniband/hw/hns/hns_roce_trace.h
View file

@ -85,6 +85,25 @@ DEFINE_EVENT(wqe_template, hns_srq_wqe,
enum hns_roce_trace_type type),
TP_ARGS(qpn, idx, wqe, len, id, type));
TRACE_EVENT(hns_ae_info,
TP_PROTO(int event_type, void *aeqe, unsigned int len),
TP_ARGS(event_type, aeqe, len),
TP_STRUCT__entry(__field(int, event_type)
__array(__le32, aeqe,
HNS_ROCE_V3_EQE_SIZE / sizeof(__le32))
__field(u32, len)
),
TP_fast_assign(__entry->event_type = event_type;
__entry->len = len / sizeof(__le32);
memcpy(__entry->aeqe, aeqe, len);
),
TP_printk("event %2d aeqe: %s", __entry->event_type,
__print_array(__entry->aeqe, __entry->len, sizeof(__le32)))
);
#endif /* __HNS_ROCE_TRACE_H */
#undef TRACE_INCLUDE_FILE