[PATCH 1/7] firewire: core: add tracepoints events for allocation/deallocation of isochronous conte
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aeb,
bencollins
From: Takashi S. <o-t...@sa...> - 2024-06-23 22:09:18
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It is helpful to trace the allocation and dealocation of isochronous when the core function is requested them by both in-kernel unit drivers and userspace applications. This commit adds some tracepoints events for the aim. Signed-off-by: Takashi Sakamoto <o-t...@sa...> --- drivers/firewire/core-iso.c | 10 +++ include/trace/events/firewire.h | 105 ++++++++++++++++++++++++++++++++ 2 files changed, 115 insertions(+) diff --git a/drivers/firewire/core-iso.c b/drivers/firewire/core-iso.c index af70e74f9a7e..ddb999297c72 100644 --- a/drivers/firewire/core-iso.c +++ b/drivers/firewire/core-iso.c @@ -22,6 +22,8 @@ #include "core.h" +#include <trace/events/firewire.h> + /* * Isochronous DMA context management */ @@ -148,12 +150,20 @@ struct fw_iso_context *fw_iso_context_create(struct fw_card *card, ctx->callback.sc = callback; ctx->callback_data = callback_data; + trace_isoc_outbound_allocate(ctx, channel, speed); + trace_isoc_inbound_single_allocate(ctx, channel, header_size); + trace_isoc_inbound_multiple_allocate(ctx); + return ctx; } EXPORT_SYMBOL(fw_iso_context_create); void fw_iso_context_destroy(struct fw_iso_context *ctx) { + trace_isoc_outbound_destroy(ctx); + trace_isoc_inbound_single_destroy(ctx); + trace_isoc_inbound_multiple_destroy(ctx); + ctx->card->driver->free_iso_context(ctx); } EXPORT_SYMBOL(fw_iso_context_destroy); diff --git a/include/trace/events/firewire.h b/include/trace/events/firewire.h index 25289a063deb..0cca1ef841f3 100644 --- a/include/trace/events/firewire.h +++ b/include/trace/events/firewire.h @@ -436,6 +436,111 @@ TRACE_EVENT(self_id_sequence, #undef PHY_PACKET_SELF_ID_GET_POWER_CLASS #undef PHY_PACKET_SELF_ID_GET_INITIATED_RESET +TRACE_EVENT_CONDITION(isoc_outbound_allocate, + TP_PROTO(const struct fw_iso_context *ctx, unsigned int channel, unsigned int scode), + TP_ARGS(ctx, channel, scode), + TP_CONDITION(ctx->type == FW_ISO_CONTEXT_TRANSMIT), + TP_STRUCT__entry( + __field(u64, context) + __field(u8, card_index) + __field(u8, channel) + __field(u8, scode) + ), + TP_fast_assign( + __entry->context = (uintptr_t)ctx; + __entry->card_index = ctx->card->index; + __entry->channel = channel; + __entry->scode = scode; + ), + TP_printk( + "context=0x%llx card_index=%u channel=%u scode=%u", + __entry->context, + __entry->card_index, + __entry->channel, + __entry->scode + ) +); + +TRACE_EVENT_CONDITION(isoc_inbound_single_allocate, + TP_PROTO(const struct fw_iso_context *ctx, unsigned int channel, unsigned int header_size), + TP_ARGS(ctx, channel, header_size), + TP_CONDITION(ctx->type == FW_ISO_CONTEXT_RECEIVE), + TP_STRUCT__entry( + __field(u64, context) + __field(u8, card_index) + __field(u8, channel) + __field(u8, header_size) + ), + TP_fast_assign( + __entry->context = (uintptr_t)ctx; + __entry->card_index = ctx->card->index; + __entry->channel = channel; + __entry->header_size = header_size; + ), + TP_printk( + "context=0x%llx card_index=%u channel=%u header_size=%u", + __entry->context, + __entry->card_index, + __entry->channel, + __entry->header_size + ) +); + +TRACE_EVENT_CONDITION(isoc_inbound_multiple_allocate, + TP_PROTO(const struct fw_iso_context *ctx), + TP_ARGS(ctx), + TP_CONDITION(ctx->type == FW_ISO_CONTEXT_RECEIVE_MULTICHANNEL), + TP_STRUCT__entry( + __field(u64, context) + __field(u8, card_index) + ), + TP_fast_assign( + __entry->context = (uintptr_t)ctx; + __entry->card_index = ctx->card->index; + ), + TP_printk( + "context=0x%llx card_index=%u", + __entry->context, + __entry->card_index + ) +); + +DECLARE_EVENT_CLASS(isoc_destroy_template, + TP_PROTO(const struct fw_iso_context *ctx), + TP_ARGS(ctx), + TP_STRUCT__entry( + __field(u64, context) + __field(u8, card_index) + ), + TP_fast_assign( + __entry->context = (uintptr_t)ctx; + __entry->card_index = ctx->card->index; + ), + TP_printk( + "context=0x%llx card_index=%u", + __entry->context, + __entry->card_index + ) +) + +DEFINE_EVENT_CONDITION(isoc_destroy_template, isoc_outbound_destroy, + TP_PROTO(const struct fw_iso_context *ctx), + TP_ARGS(ctx), + TP_CONDITION(ctx->type == FW_ISO_CONTEXT_TRANSMIT) +); + +DEFINE_EVENT_CONDITION(isoc_destroy_template, isoc_inbound_single_destroy, + TP_PROTO(const struct fw_iso_context *ctx), + TP_ARGS(ctx), + TP_CONDITION(ctx->type == FW_ISO_CONTEXT_RECEIVE) +); + +DEFINE_EVENT_CONDITION(isoc_destroy_template, isoc_inbound_multiple_destroy, + TP_PROTO(const struct fw_iso_context *ctx), + TP_ARGS(ctx), + TP_CONDITION(ctx->type == FW_ISO_CONTEXT_RECEIVE_MULTICHANNEL) +); + #undef QUADLET_SIZE #endif // _FIREWIRE_TRACE_EVENT_H -- 2.43.0 |