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firewire: core: record card index in async_phy_inbound tracepoints event

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The asynchronous transmission of phy packet is initiated on one of 1394
OHCI controller, however the existing tracepoints events has the lack of
data about it.

This commit adds card_index member into event structure to store the index
of host controller in use, and prints it.

Link: https://lore.kernel.org/r/20240613131440.431766-7-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
This commit is contained in:
Takashi Sakamoto 2024-06-13 22:14:38 +09:00
parent 810f2aa835
commit abbb4bd96d
2 changed files with 6 additions and 4 deletions
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2
drivers/firewire/core-transaction.c
View File

@ -997,7 +997,7 @@ void fw_core_handle_request(struct fw_card *card, struct fw_packet *p)
tcode = async_header_get_tcode(p->header);
if (tcode_is_link_internal(tcode)) {
trace_async_phy_inbound((uintptr_t)p, p->generation, p->ack, p->timestamp,
trace_async_phy_inbound((uintptr_t)p, card->index, p->generation, p->ack, p->timestamp,
p->header[1], p->header[2]);
fw_cdev_handle_phy_packet(card, p);
return;

8
include/trace/events/firewire.h
View File

@ -271,10 +271,11 @@ TRACE_EVENT(async_phy_outbound_complete,
);
TRACE_EVENT(async_phy_inbound,
TP_PROTO(u64 packet, unsigned int generation, unsigned int status, unsigned int timestamp, u32 first_quadlet, u32 second_quadlet),
TP_ARGS(packet, generation, status, timestamp, first_quadlet, second_quadlet),
TP_PROTO(u64 packet, unsigned int card_index, unsigned int generation, unsigned int status, unsigned int timestamp, u32 first_quadlet, u32 second_quadlet),
TP_ARGS(packet, card_index, generation, status, timestamp, first_quadlet, second_quadlet),
TP_STRUCT__entry(
__field(u64, packet)
__field(u8, card_index)
__field(u8, generation)
__field(u8, status)
__field(u16, timestamp)
@ -290,8 +291,9 @@ TRACE_EVENT(async_phy_inbound,
__entry->second_quadlet = second_quadlet
),
TP_printk(
"packet=0x%llx generation=%u status=%u timestamp=0x%04x first_quadlet=0x%08x second_quadlet=0x%08x",
"packet=0x%llx card_index=%u generation=%u status=%u timestamp=0x%04x first_quadlet=0x%08x second_quadlet=0x%08x",
__entry->packet,
__entry->card_index,
__entry->generation,
__entry->status,
__entry->timestamp,