maillist inclusion category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/ICAF19 CVE: NA Reference: https://web.git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma.git/commit/?id... ---------------------------------------------------------------------- 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.co... Signed-off-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Xinghai Cen <cenxinghai@h-partners.com> Signed-off-by: Donghua Huang <huangdonghua3@h-partners.com> --- drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 1 + drivers/infiniband/hw/hns/hns_roce_trace.h | 19 +++++++++++++++++++ 2 files changed, 20 insertions(+) diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c index 7a18bde6eb1c..57550e691e18 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c @@ -6671,6 +6671,7 @@ 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]); diff --git a/drivers/infiniband/hw/hns/hns_roce_trace.h b/drivers/infiniband/hw/hns/hns_roce_trace.h index 56e152387db4..75c89aff68c3 100644 --- a/drivers/infiniband/hw/hns/hns_roce_trace.h +++ b/drivers/infiniband/hw/hns/hns_roce_trace.h @@ -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 -- 2.33.0