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firewire: core: add support for Linux kernel tracepoints

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The Linux Kernel Tracepoints framework is enough useful to trace
packet data inbound to and outbound from core.

This commit adds firewire subsystem to use the framework.

Link: https://lore.kernel.org/r/20240429043218.609398-2-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
This commit is contained in:
Takashi Sakamoto 2024-04-29 13:32:14 +09:00
parent aa5c5edc08
commit 57614c2884
3 changed files with 21 additions and 1 deletions
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2
drivers/firewire/Makefile
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@ -3,7 +3,7 @@
# Makefile for the Linux IEEE 1394 implementation
#
firewire-core-y += core-card.o core-cdev.o core-device.o \
firewire-core-y += core-trace.o core-card.o core-cdev.o core-device.o \
core-iso.o core-topology.o core-transaction.o
firewire-ohci-y += ohci.o
firewire-sbp2-y += sbp2.o

5
drivers/firewire/core-trace.c Normal file
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@ -0,0 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-or-later
// Copyright (c) 2024 Takashi Sakamoto
#define CREATE_TRACE_POINTS
#include <trace/events/firewire.h>

15
include/trace/events/firewire.h Normal file
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@ -0,0 +1,15 @@
// SPDX-License-Identifier: GPL-2.0-or-later
// Copyright (c) 2024 Takashi Sakamoto
#define TRACE_SYSTEM firewire
#if !defined(_FIREWIRE_TRACE_EVENT_H) || defined(TRACE_HEADER_MULTI_READ)
#define _FIREWIRE_TRACE_EVENT_H
#include <linux/tracepoint.h>
// Placeholder for future use.
#endif // _FIREWIRE_TRACE_EVENT_H
#include <trace/define_trace.h>