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 MR/MTR attribute 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 | | | ||||| | | ib_send_bw-14751 [111] ..... 8763.823038: hns_buf_attr: rg cnt:1, pg_sft:0xc, mtt_only:no, rg 0 (sz:131072, hop:2), rg 1 (sz:0, hop:0), rg 2 (sz:0, hop:0) ib_send_bw-14751 [111] ..... 8763.823118: hns_mr: iova:0xffffb2968000, size:131072, key:512, pd:1, pbl_hop:1, npages:4, type:0, status:0 Signed-off-by: Junxian Huang <huangjunxian6@hisilicon.com> Link: https://patch.msgid.link/20250421132750.1363348-5-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_mr.c | 4 ++ drivers/infiniband/hw/hns/hns_roce_trace.h | 63 ++++++++++++++++++++++ 2 files changed, 67 insertions(+) diff --git a/drivers/infiniband/hw/hns/hns_roce_mr.c b/drivers/infiniband/hw/hns/hns_roce_mr.c index b3a1e5b4cd8d..95ac0f80b0d2 100644 --- a/drivers/infiniband/hw/hns/hns_roce_mr.c +++ b/drivers/infiniband/hw/hns/hns_roce_mr.c @@ -38,6 +38,7 @@ #include "hns_roce_device.h" #include "hns_roce_cmd.h" #include "hns_roce_hem.h" +#include "hns_roce_trace.h" static u32 hw_index_to_key(int ind) { @@ -168,6 +169,7 @@ static int hns_roce_mr_enable(struct hns_roce_dev *hr_dev, if (IS_ERR(mailbox)) return PTR_ERR(mailbox); + trace_hns_mr(mr); if (mr->type != MR_TYPE_FRMR) ret = hr_dev->hw->write_mtpt(hr_dev, mailbox->buf, mr); else @@ -1158,6 +1160,8 @@ struct hns_roce_mtr *hns_roce_mtr_create(struct hns_roce_dev *hr_dev, struct hns_roce_mtr *mtr; int ret; + trace_hns_buf_attr(buf_attr); + mtr = kvzalloc(sizeof(*mtr), GFP_KERNEL); if (!mtr) return ERR_PTR(-ENOMEM); diff --git a/drivers/infiniband/hw/hns/hns_roce_trace.h b/drivers/infiniband/hw/hns/hns_roce_trace.h index 75c89aff68c3..5733d9c80a6b 100644 --- a/drivers/infiniband/hw/hns/hns_roce_trace.h +++ b/drivers/infiniband/hw/hns/hns_roce_trace.h @@ -10,6 +10,7 @@ #define __HNS_ROCE_TRACE_H #include <linux/tracepoint.h> +#include <linux/string_choices.h> #include "hns_roce_device.h" DECLARE_EVENT_CLASS(flush_head_template, @@ -104,6 +105,68 @@ TRACE_EVENT(hns_ae_info, __print_array(__entry->aeqe, __entry->len, sizeof(__le32))) ); +TRACE_EVENT(hns_mr, + TP_PROTO(struct hns_roce_mr *mr), + TP_ARGS(mr), + + TP_STRUCT__entry(__field(u64, iova) + __field(u64, size) + __field(u32, key) + __field(u32, pd) + __field(u32, pbl_hop_num) + __field(u32, npages) + __field(int, type) + ), + + TP_fast_assign(__entry->iova = mr->iova; + __entry->size = mr->size; + __entry->key = mr->key; + __entry->pd = mr->pd; + __entry->pbl_hop_num = mr->pbl_hop_num; + __entry->npages = mr->npages; + __entry->type = mr->type; + ), + + TP_printk("iova:0x%llx, size:%llu, key:%u, pd:%u, pbl_hop:%u, npages:%u, type:%d", + __entry->iova, __entry->size, __entry->key, + __entry->pd, __entry->pbl_hop_num, __entry->npages, + __entry->type) +); + +TRACE_EVENT(hns_buf_attr, + TP_PROTO(struct hns_roce_buf_attr *attr), + TP_ARGS(attr), + + TP_STRUCT__entry(__field(unsigned int, region_count) + __field(unsigned int, region0_size) + __field(int, region0_hopnum) + __field(unsigned int, region1_size) + __field(int, region1_hopnum) + __field(unsigned int, region2_size) + __field(int, region2_hopnum) + __field(unsigned int, page_shift) + __field(bool, mtt_only) + ), + + TP_fast_assign(__entry->region_count = attr->region_count; + __entry->region0_size = attr->region[0].size; + __entry->region0_hopnum = attr->region[0].hopnum; + __entry->region1_size = attr->region[1].size; + __entry->region1_hopnum = attr->region[1].hopnum; + __entry->region2_size = attr->region[2].size; + __entry->region2_hopnum = attr->region[2].hopnum; + __entry->page_shift = attr->page_shift; + __entry->mtt_only = attr->mtt_only; + ), + + TP_printk("rg cnt:%u, pg_sft:0x%x, mtt_only:%s, rg 0 (sz:%u, hop:%u), rg 1 (sz:%u, hop:%u), rg 2 (sz:%u, hop:%u)\n", + __entry->region_count, __entry->page_shift, + str_yes_no(__entry->mtt_only), + __entry->region0_size, __entry->region0_hopnum, + __entry->region1_size, __entry->region1_hopnum, + __entry->region2_size, __entry->region2_hopnum) +); + #endif /* __HNS_ROCE_TRACE_H */ #undef TRACE_INCLUDE_FILE -- 2.33.0