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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Trace point definitions for core RDMA functions.
*
* Author: Chuck Lever <chuck.lever@oracle.com>
*
* Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
*/
#undef TRACE_SYSTEM
#define TRACE_SYSTEM rdma_core
#if !defined(_TRACE_RDMA_CORE_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_RDMA_CORE_H
#include <linux/tracepoint.h>
#include <rdma/ib_verbs.h>
/*
* enum ib_poll_context, from include/rdma/ib_verbs.h
*/
#define IB_POLL_CTX_LIST \
ib_poll_ctx(DIRECT) \
ib_poll_ctx(SOFTIRQ) \
ib_poll_ctx(WORKQUEUE) \
ib_poll_ctx_end(UNBOUND_WORKQUEUE)
#undef ib_poll_ctx
#undef ib_poll_ctx_end
#define ib_poll_ctx(x) TRACE_DEFINE_ENUM(IB_POLL_##x);
#define ib_poll_ctx_end(x) TRACE_DEFINE_ENUM(IB_POLL_##x);
IB_POLL_CTX_LIST
#undef ib_poll_ctx
#undef ib_poll_ctx_end
#define ib_poll_ctx(x) { IB_POLL_##x, #x },
#define ib_poll_ctx_end(x) { IB_POLL_##x, #x }
#define rdma_show_ib_poll_ctx(x) \
__print_symbolic(x, IB_POLL_CTX_LIST)
/**
** Completion Queue events
**/
TRACE_EVENT(cq_schedule,
TP_PROTO(
struct ib_cq *cq
),
TP_ARGS(cq),
TP_STRUCT__entry(
__field(u32, cq_id)
),
TP_fast_assign(
cq->timestamp = ktime_get();
cq->interrupt = true;
__entry->cq_id = cq->res.id;
),
TP_printk("cq.id=%u", __entry->cq_id)
);
TRACE_EVENT(cq_reschedule,
TP_PROTO(
struct ib_cq *cq
),
TP_ARGS(cq),
TP_STRUCT__entry(
__field(u32, cq_id)
),
TP_fast_assign(
cq->timestamp = ktime_get();
cq->interrupt = false;
__entry->cq_id = cq->res.id;
),
TP_printk("cq.id=%u", __entry->cq_id)
);
TRACE_EVENT(cq_process,
TP_PROTO(
const struct ib_cq *cq
),
TP_ARGS(cq),
TP_STRUCT__entry(
__field(u32, cq_id)
__field(bool, interrupt)
__field(s64, latency)
),
TP_fast_assign(
ktime_t latency = ktime_sub(ktime_get(), cq->timestamp);
__entry->cq_id = cq->res.id;
__entry->latency = ktime_to_us(latency);
__entry->interrupt = cq->interrupt;
),
TP_printk("cq.id=%u wake-up took %lld [us] from %s",
__entry->cq_id, __entry->latency,
__entry->interrupt ? "interrupt" : "reschedule"
)
);
TRACE_EVENT(cq_poll,
TP_PROTO(
const struct ib_cq *cq,
int requested,
int rc
),
TP_ARGS(cq, requested, rc),
TP_STRUCT__entry(
__field(u32, cq_id)
__field(int, requested)
__field(int, rc)
),
TP_fast_assign(
__entry->cq_id = cq->res.id;
__entry->requested = requested;
__entry->rc = rc;
),
TP_printk("cq.id=%u requested %d, returned %d",
__entry->cq_id, __entry->requested, __entry->rc
)
);
TRACE_EVENT(cq_drain_complete,
TP_PROTO(
const struct ib_cq *cq
),
TP_ARGS(cq),
TP_STRUCT__entry(
__field(u32, cq_id)
),
TP_fast_assign(
__entry->cq_id = cq->res.id;
),
TP_printk("cq.id=%u",
__entry->cq_id
)
);
TRACE_EVENT(cq_modify,
TP_PROTO(
const struct ib_cq *cq,
u16 comps,
u16 usec
),
TP_ARGS(cq, comps, usec),
TP_STRUCT__entry(
__field(u32, cq_id)
__field(unsigned int, comps)
__field(unsigned int, usec)
),
TP_fast_assign(
__entry->cq_id = cq->res.id;
__entry->comps = comps;
__entry->usec = usec;
),
TP_printk("cq.id=%u comps=%u usec=%u",
__entry->cq_id, __entry->comps, __entry->usec
)
);
TRACE_EVENT(cq_alloc,
TP_PROTO(
const struct ib_cq *cq,
int nr_cqe,
int comp_vector,
enum ib_poll_context poll_ctx
),
TP_ARGS(cq, nr_cqe, comp_vector, poll_ctx),
TP_STRUCT__entry(
__field(u32, cq_id)
__field(int, nr_cqe)
__field(int, comp_vector)
__field(unsigned long, poll_ctx)
),
TP_fast_assign(
__entry->cq_id = cq->res.id;
__entry->nr_cqe = nr_cqe;
__entry->comp_vector = comp_vector;
__entry->poll_ctx = poll_ctx;
),
TP_printk("cq.id=%u nr_cqe=%d comp_vector=%d poll_ctx=%s",
__entry->cq_id, __entry->nr_cqe, __entry->comp_vector,
rdma_show_ib_poll_ctx(__entry->poll_ctx)
)
);
TRACE_EVENT(cq_alloc_error,
TP_PROTO(
int nr_cqe,
int comp_vector,
enum ib_poll_context poll_ctx,
int rc
),
TP_ARGS(nr_cqe, comp_vector, poll_ctx, rc),
TP_STRUCT__entry(
__field(int, rc)
__field(int, nr_cqe)
__field(int, comp_vector)
__field(unsigned long, poll_ctx)
),
TP_fast_assign(
__entry->rc = rc;
__entry->nr_cqe = nr_cqe;
__entry->comp_vector = comp_vector;
__entry->poll_ctx = poll_ctx;
),
TP_printk("nr_cqe=%d comp_vector=%d poll_ctx=%s rc=%d",
__entry->nr_cqe, __entry->comp_vector,
rdma_show_ib_poll_ctx(__entry->poll_ctx), __entry->rc
)
);
TRACE_EVENT(cq_free,
TP_PROTO(
const struct ib_cq *cq
),
TP_ARGS(cq),
TP_STRUCT__entry(
__field(u32, cq_id)
),
TP_fast_assign(
__entry->cq_id = cq->res.id;
),
TP_printk("cq.id=%u", __entry->cq_id)
);
/**
** Memory Region events
**/
/*
* enum ib_mr_type, from include/rdma/ib_verbs.h
*/
#define IB_MR_TYPE_LIST \
ib_mr_type_item(MEM_REG) \
ib_mr_type_item(SG_GAPS) \
ib_mr_type_item(DM) \
ib_mr_type_item(USER) \
ib_mr_type_item(DMA) \
ib_mr_type_end(INTEGRITY)
#undef ib_mr_type_item
#undef ib_mr_type_end
#define ib_mr_type_item(x) TRACE_DEFINE_ENUM(IB_MR_TYPE_##x);
#define ib_mr_type_end(x) TRACE_DEFINE_ENUM(IB_MR_TYPE_##x);
IB_MR_TYPE_LIST
#undef ib_mr_type_item
#undef ib_mr_type_end
#define ib_mr_type_item(x) { IB_MR_TYPE_##x, #x },
#define ib_mr_type_end(x) { IB_MR_TYPE_##x, #x }
#define rdma_show_ib_mr_type(x) \
__print_symbolic(x, IB_MR_TYPE_LIST)
TRACE_EVENT(mr_alloc,
TP_PROTO(
const struct ib_pd *pd,
enum ib_mr_type mr_type,
u32 max_num_sg,
const struct ib_mr *mr
),
TP_ARGS(pd, mr_type, max_num_sg, mr),
TP_STRUCT__entry(
__field(u32, pd_id)
__field(u32, mr_id)
__field(u32, max_num_sg)
__field(int, rc)
__field(unsigned long, mr_type)
),
TP_fast_assign(
__entry->pd_id = pd->res.id;
if (IS_ERR(mr)) {
__entry->mr_id = 0;
__entry->rc = PTR_ERR(mr);
} else {
__entry->mr_id = mr->res.id;
__entry->rc = 0;
}
__entry->max_num_sg = max_num_sg;
__entry->mr_type = mr_type;
),
TP_printk("pd.id=%u mr.id=%u type=%s max_num_sg=%u rc=%d",
__entry->pd_id, __entry->mr_id,
rdma_show_ib_mr_type(__entry->mr_type),
__entry->max_num_sg, __entry->rc)
);
TRACE_EVENT(mr_integ_alloc,
TP_PROTO(
const struct ib_pd *pd,
u32 max_num_data_sg,
u32 max_num_meta_sg,
const struct ib_mr *mr
),
TP_ARGS(pd, max_num_data_sg, max_num_meta_sg, mr),
TP_STRUCT__entry(
__field(u32, pd_id)
__field(u32, mr_id)
__field(u32, max_num_data_sg)
__field(u32, max_num_meta_sg)
__field(int, rc)
),
TP_fast_assign(
__entry->pd_id = pd->res.id;
if (IS_ERR(mr)) {
__entry->mr_id = 0;
__entry->rc = PTR_ERR(mr);
} else {
__entry->mr_id = mr->res.id;
__entry->rc = 0;
}
__entry->max_num_data_sg = max_num_data_sg;
__entry->max_num_meta_sg = max_num_meta_sg;
),
TP_printk("pd.id=%u mr.id=%u max_num_data_sg=%u max_num_meta_sg=%u rc=%d",
__entry->pd_id, __entry->mr_id, __entry->max_num_data_sg,
__entry->max_num_meta_sg, __entry->rc)
);
TRACE_EVENT(mr_dereg,
TP_PROTO(
const struct ib_mr *mr
),
TP_ARGS(mr),
TP_STRUCT__entry(
__field(u32, id)
),
TP_fast_assign(
__entry->id = mr->res.id;
),
TP_printk("mr.id=%u", __entry->id)
);
#endif /* _TRACE_RDMA_CORE_H */
#include <trace/define_trace.h>
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