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qcacmn: Add support for wlan specific tracepoints

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Add support for wlan specific tracepoints using
the existing tracepoint infrastructure exposed
by kernel.

Change-Id: I9e4d09443b97124252240cb6b9ee305acb1bf677
CRs-Fixed: 3077074
This commit is contained in:
Yeshwanth Sriram Guntuka
2021-11-19 20:48:36 +05:30
committed by Madan Koyyalamudi
parent f1e8e24f1a
commit d197c575bc
5 changed files with 139 additions and 0 deletions
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4
qdf/Kbuild
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@@ -101,6 +101,10 @@ qdf-objs += \
$(HOST_CMN_CONVG_LOGGING)/src/wlan_logging_sock_svc.o
endif
ifeq ($(WLAN_TRACEPOINTS),1)
qdf-objs += linux/src/qdf_tracepoint.o
endif
ifeq ($(WLAN_DEBUGFS),1)
qdf-objs += linux/src/qdf_debugfs.o
endif

26
qdf/inc/qdf_tracepoint.h Normal file
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@@ -0,0 +1,26 @@
/*
* Copyright (c) 2021 Qualcomm Innovation Center, Inc. All rights reserved.
*
* Permission to use, copy, modify, and/or distribute this software for
* any purpose with or without fee is hereby granted, provided that the
* above copyright notice and this permission notice appear in all
* copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
* AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
/**
* DOC: qdf_tracepoint.h
* This file defines HLOS agnostic functions providing external interface
* for triggering tracepoints.
*/
#if !defined(_QDF_TRACEPOINT_H)
#define _QDF_TRACEPOINT_H
#endif /* _QDF_TRACEPOINT_H */

28
qdf/linux/src/i_qdf_tracepoint.h Normal file
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@@ -0,0 +1,28 @@
/*
* Copyright (c) 2021 Qualcomm Innovation Center, Inc. All rights reserved.
*
* Permission to use, copy, modify, and/or distribute this software for
* any purpose with or without fee is hereby granted, provided that the
* above copyright notice and this permission notice appear in all
* copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
* AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
/**
* DOC: i_qdf_tracepoint.h
* This file provides internal interface for triggering tracepoints
*/
#if !defined(_I_QDF_TRACEPOINT_H)
#define _I_QDF_TRACEPOINT_H
#include <qdf_tracepoint_defs.h>
#endif /* _I_QDF_TRACEPOINT_H */

22
qdf/linux/src/qdf_tracepoint.c Normal file
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@@ -0,0 +1,22 @@
/*
* Copyright (c) 2021 Qualcomm Innovation Center, Inc. All rights reserved.
*
* Permission to use, copy, modify, and/or distribute this software for
* any purpose with or without fee is hereby granted, provided that the
* above copyright notice and this permission notice appear in all
* copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
* AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
#include <qdf_tracepoint.h>
#define CREATE_TRACE_POINTS
#include "qdf_tracepoint_defs.h"

59
qdf/linux/src/qdf_tracepoint_defs.h Normal file
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@@ -0,0 +1,59 @@
/*
* Copyright (c) 2021 Qualcomm Innovation Center, Inc. All rights reserved.
*
* Permission to use, copy, modify, and/or distribute this software for
* any purpose with or without fee is hereby granted, provided that the
* above copyright notice and this permission notice appear in all
* copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
* AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
/**
* DOC: qdf_tracepoint_defs.h
* This file provides OS abstraction for function tracing.
*/
#if !defined(_QDF_TRACEPOINT_DEFS_H) || defined(TRACE_HEADER_MULTI_READ)
#define _QDF_TRACEPOINT_DEFS_H
#include <linux/tracepoint.h>
#undef TRACE_SYSTEM
#define TRACE_SYSTEM wlan
#ifndef WLAN_TRACEPOINTS
#undef TRACE_EVENT
#define TRACE_EVENT(name, proto, args, tstruct, assign, print) \
static inline void trace_##name(proto) {} \
static inline bool trace_##name##_enabled(void) \
{ \
return false; \
}
#undef DECLARE_EVENT_CLASS
#define DECLARE_EVENT_CLASS(name, proto, args, tstruct, assign, print)
#undef DEFINE_EVENT
#define DEFINE_EVENT(evt_class, name, proto, args) \
static inline void trace_##name(proto) {} \
static inline bool trace_##name##_enabled(void) \
{ \
return false; \
}
#endif /* WLAN_TRACEPOINTS */
#endif /* _QDF_TRACEPOINT_DEFS_H */
/* Below should be outside the protection */
#undef TRACE_INCLUDE_PATH
#define TRACE_INCLUDE_PATH .
#undef TRACE_INCLUDE_FILE
#define TRACE_INCLUDE_FILE qdf_tracepoint_defs
#include <trace/define_trace.h>