cfd3a00018
Add support for LTTng tracing. For now it is used for post_send, post_recv and poll_cq. Signed-off-by: Xinghai Cen <cenxinghai@h-partners.com> (cherry picked from commit 76d4645e3b8a9e57b723e3f7297bda62e934d6f2)
113 lines
3.1 KiB
Diff
113 lines
3.1 KiB
Diff
From dfcef98e85b947dd38738436c769926f66438a7d Mon Sep 17 00:00:00 2001
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From: wenglianfa <wenglianfa@huawei.com>
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Date: Tue, 22 Apr 2025 16:18:44 +0800
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Subject: [PATCH 56/57] libhns: Add initial support for HNS LTTng tracing
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mainline inclusion
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from mainline-v56.0-65
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commit 5d96d96c822323a1c9b0a6b98ce58a17a8f165c1
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category: feature
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bugzilla: https://gitee.com/src-openeuler/rdma-core/issues/IC3E67
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CVE: NA
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Reference: https://github.com/linux-rdma/rdma-core/pull/1587/commits/5d96d96c822323a1c9...
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---------------------------------------------------------------------
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Add initial support for HNS LTTng tracing.
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Signed-off-by: wenglianfa <wenglianfa@huawei.com>
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Signed-off-by: Junxian Huang <huangjunxian6@hisilicon.com>
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Signed-off-by: Xinghai Cen <cenxinghai@h-partners.com>
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---
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providers/hns/CMakeLists.txt | 10 +++++++++
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providers/hns/hns_roce_u_trace.c | 9 ++++++++
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providers/hns/hns_roce_u_trace.h | 35 ++++++++++++++++++++++++++++++++
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3 files changed, 54 insertions(+)
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create mode 100644 providers/hns/hns_roce_u_trace.c
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create mode 100644 providers/hns/hns_roce_u_trace.h
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diff --git a/providers/hns/CMakeLists.txt b/providers/hns/CMakeLists.txt
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index 58139ae..36ebfac 100644
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--- a/providers/hns/CMakeLists.txt
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+++ b/providers/hns/CMakeLists.txt
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@@ -1,5 +1,10 @@
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+if (ENABLE_LTTNG AND LTTNGUST_FOUND)
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+ set(TRACE_FILE hns_roce_u_trace.c)
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+endif()
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+
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rdma_shared_provider(hns libhns.map
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1 1.0.${PACKAGE_VERSION}
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+ ${TRACE_FILE}
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hns_roce_u.c
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hns_roce_u_buf.c
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hns_roce_u_db.c
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@@ -12,3 +17,8 @@ publish_headers(infiniband
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)
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rdma_pkg_config("hns" "libibverbs" "${CMAKE_THREAD_LIBS_INIT}")
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+
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+if (ENABLE_LTTNG AND LTTNGUST_FOUND)
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+ target_include_directories(hns PUBLIC ".")
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+ target_link_libraries(hns LINK_PRIVATE LTTng::UST)
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+endif()
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diff --git a/providers/hns/hns_roce_u_trace.c b/providers/hns/hns_roce_u_trace.c
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new file mode 100644
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index 0000000..812f54c
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--- /dev/null
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+++ b/providers/hns/hns_roce_u_trace.c
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@@ -0,0 +1,9 @@
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+// SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
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+/*
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+ * Copyright (c) 2025 Hisilicon Limited.
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+ */
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+
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+#define LTTNG_UST_TRACEPOINT_CREATE_PROBES
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+#define LTTNG_UST_TRACEPOINT_DEFINE
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+
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+#include "hns_roce_u_trace.h"
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diff --git a/providers/hns/hns_roce_u_trace.h b/providers/hns/hns_roce_u_trace.h
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new file mode 100644
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index 0000000..9b9485c
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--- /dev/null
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+++ b/providers/hns/hns_roce_u_trace.h
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@@ -0,0 +1,35 @@
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+/* SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause */
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+/*
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+ * Copyright (c) 2025 Hisilicon Limited.
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+ */
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+
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+#if defined(LTTNG_ENABLED)
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+
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+#undef LTTNG_UST_TRACEPOINT_PROVIDER
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+#define LTTNG_UST_TRACEPOINT_PROVIDER rdma_core_hns
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+
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+#undef LTTNG_UST_TRACEPOINT_INCLUDE
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+#define LTTNG_UST_TRACEPOINT_INCLUDE "hns_roce_u_trace.h"
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+
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+#if !defined(__HNS_TRACE_H__) || defined(LTTNG_UST_TRACEPOINT_HEADER_MULTI_READ)
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+#define __HNS_TRACE_H__
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+
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+#include <lttng/tracepoint.h>
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+#include <infiniband/verbs.h>
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+
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+#define rdma_tracepoint(arg...) lttng_ust_tracepoint(arg)
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+
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+#endif /* __HNS_TRACE_H__*/
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+
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+#include <lttng/tracepoint-event.h>
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+
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+#else
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+
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+#ifndef __HNS_TRACE_H__
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+#define __HNS_TRACE_H__
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+
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+#define rdma_tracepoint(arg...)
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+
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+#endif /* __HNS_TRACE_H__*/
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+
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+#endif /* defined(LTTNG_ENABLED) */
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--
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2.33.0
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