[RFC PATCH 09/13] firewire: core: add support for Linux kernel tracepoints
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From: Takashi S. <o-t...@sa...> - 2024-04-18 09:23:58
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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. Signed-off-by: Takashi Sakamoto <o-t...@sa...> --- drivers/firewire/Makefile | 5 ++++- drivers/firewire/trace.c | 5 +++++ drivers/firewire/trace.h | 17 +++++++++++++++++ 3 files changed, 26 insertions(+), 1 deletion(-) create mode 100644 drivers/firewire/trace.c create mode 100644 drivers/firewire/trace.h diff --git a/drivers/firewire/Makefile b/drivers/firewire/Makefile index bbde29a0fba6..92376e045805 100644 --- a/drivers/firewire/Makefile +++ b/drivers/firewire/Makefile @@ -3,12 +3,15 @@ # Makefile for the Linux IEEE 1394 implementation # -firewire-core-y += core-card.o core-cdev.o core-device.o \ +firewire-core-y += 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 firewire-net-y += net.o +# Let "include/trace/define_trace.h" find the header. +CFLAGS_trace.o := -I$(src) + obj-$(CONFIG_FIREWIRE) += firewire-core.o obj-$(CONFIG_FIREWIRE_OHCI) += firewire-ohci.o obj-$(CONFIG_FIREWIRE_SBP2) += firewire-sbp2.o diff --git a/drivers/firewire/trace.c b/drivers/firewire/trace.c new file mode 100644 index 000000000000..ffe427764a90 --- /dev/null +++ b/drivers/firewire/trace.c @@ -0,0 +1,5 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +// Copyright (c) 2024 Takashi Sakamoto + +#define CREATE_TRACE_POINTS +#include "trace.h" diff --git a/drivers/firewire/trace.h b/drivers/firewire/trace.h new file mode 100644 index 000000000000..d36a10460301 --- /dev/null +++ b/drivers/firewire/trace.h @@ -0,0 +1,17 @@ +// 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 + +#define TRACE_INCLUDE_PATH . +#define TRACE_INCLUDE_FILE trace +#include <trace/define_trace.h> -- 2.43.0 |