include/trace/events/mmc.h

Source file repositories/reference/linux-study-clean/include/trace/events/mmc.h

File Facts

System
Linux kernel
Corpus path
include/trace/events/mmc.h
Extension
.h
Size
7372 bytes
Lines
194
Domain
Repository Root And Misc
Bucket
include
Inferred role
Repository Root And Misc: implementation source
Status
source implementation candidate

Why This File Exists

Top-level or miscellaneous repository surface. Use this as map coverage unless a later manual pass promotes the file into a deeper subsystem dossier.

Dependency Surface

Detected Declarations

Annotated Snippet

#undef TRACE_SYSTEM
#define TRACE_SYSTEM mmc

#if !defined(_TRACE_MMC_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_MMC_H

#include <linux/blkdev.h>
#include <linux/mmc/core.h>
#include <linux/mmc/host.h>
#include <linux/tracepoint.h>

TRACE_EVENT(mmc_request_start,

	TP_PROTO(struct mmc_host *host, struct mmc_request *mrq),

	TP_ARGS(host, mrq),

	TP_STRUCT__entry(
		__field(u32,			cmd_opcode)
		__field(u32,			cmd_arg)
		__field(unsigned int,		cmd_flags)
		__field(unsigned int,		cmd_retries)
		__field(u32,			stop_opcode)
		__field(u32,			stop_arg)
		__field(unsigned int,		stop_flags)
		__field(unsigned int,		stop_retries)
		__field(u32,			sbc_opcode)
		__field(u32,			sbc_arg)
		__field(unsigned int,		sbc_flags)
		__field(unsigned int,		sbc_retries)
		__field(unsigned int,		blocks)
		__field(unsigned int,		blk_addr)
		__field(unsigned int,		blksz)
		__field(unsigned int,		data_flags)
		__field(int,			tag)
		__field(unsigned int,		can_retune)
		__field(unsigned int,		doing_retune)
		__field(unsigned int,		retune_now)
		__field(int,			need_retune)
		__field(int,			hold_retune)
		__field(unsigned int,		retune_period)
		__field(struct mmc_request *,	mrq)
		__string(name,			mmc_hostname(host))
	),

	TP_fast_assign(
		__entry->cmd_opcode = mrq->cmd ? mrq->cmd->opcode : 0;
		__entry->cmd_arg = mrq->cmd ? mrq->cmd->arg : 0;
		__entry->cmd_flags = mrq->cmd ? mrq->cmd->flags : 0;
		__entry->cmd_retries = mrq->cmd ? mrq->cmd->retries : 0;
		__entry->stop_opcode = mrq->stop ? mrq->stop->opcode : 0;
		__entry->stop_arg = mrq->stop ? mrq->stop->arg : 0;
		__entry->stop_flags = mrq->stop ? mrq->stop->flags : 0;
		__entry->stop_retries = mrq->stop ? mrq->stop->retries : 0;
		__entry->sbc_opcode = mrq->sbc ? mrq->sbc->opcode : 0;
		__entry->sbc_arg = mrq->sbc ? mrq->sbc->arg : 0;
		__entry->sbc_flags = mrq->sbc ? mrq->sbc->flags : 0;
		__entry->sbc_retries = mrq->sbc ? mrq->sbc->retries : 0;
		__entry->blksz = mrq->data ? mrq->data->blksz : 0;
		__entry->blocks = mrq->data ? mrq->data->blocks : 0;
		__entry->blk_addr = mrq->data ? mrq->data->blk_addr : 0;
		__entry->data_flags = mrq->data ? mrq->data->flags : 0;
		__entry->tag = mrq->tag;
		__entry->can_retune = host->can_retune;
		__entry->doing_retune = host->doing_retune;
		__entry->retune_now = host->retune_now;
		__entry->need_retune = host->need_retune;
		__entry->hold_retune = host->hold_retune;
		__entry->retune_period = host->retune_period;
		__assign_str(name);
		__entry->mrq = mrq;
	),

	TP_printk("%s: start struct mmc_request[%p]: "
		  "cmd_opcode=%u cmd_arg=0x%x cmd_flags=0x%x cmd_retries=%u "
		  "stop_opcode=%u stop_arg=0x%x stop_flags=0x%x stop_retries=%u "
		  "sbc_opcode=%u sbc_arg=0x%x sbc_flags=0x%x sbc_retires=%u "
		  "blocks=%u block_size=%u blk_addr=%u data_flags=0x%x "
		  "tag=%d can_retune=%u doing_retune=%u retune_now=%u "
		  "need_retune=%d hold_retune=%d retune_period=%u",
		  __get_str(name), __entry->mrq,
		  __entry->cmd_opcode, __entry->cmd_arg,
		  __entry->cmd_flags, __entry->cmd_retries,
		  __entry->stop_opcode, __entry->stop_arg,
		  __entry->stop_flags, __entry->stop_retries,
		  __entry->sbc_opcode, __entry->sbc_arg,
		  __entry->sbc_flags, __entry->sbc_retries,
		  __entry->blocks, __entry->blksz,
		  __entry->blk_addr, __entry->data_flags, __entry->tag,
		  __entry->can_retune, __entry->doing_retune,

Annotation

Implementation Notes