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linux/include/trace/events/ufs.h
Bart Van Assche ccc3e13630 scsi: ufs: core: Include the SCSI ID in UFS command tracing output 
The logical unit information is missing from the UFS command tracing
output. Although the device name is logged, e.g. 13200000.ufs, this name
does not include logical unit information. Hence this patch that replaces
the device name with the SCSI ID in the tracing output. An example of
tracing output with this patch applied:

    kworker/8:0H-80      [008] .....    89.106063: ufshcd_command: send_req: 0:0:0:4: tag: 10, DB: 0x7ffffbff, size: 524288, IS: 0, LBA: 1085538, opcode: 0x8a (WRITE_16), group_id: 0x0
              dd-4225    [000] d.h..    89.106219: ufshcd_command: complete_rsp: 0:0:0:4: tag: 11, DB: 0x7ffff7ff, size: 524288, IS: 0, LBA: 1081728, opcode: 0x8a (WRITE_16), group_id: 0x0

Cc: Christoph Hellwig <hch@infradead.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20230907183739.905938-1-bvanassche@acm.org
Reviewed-by: Can Guo <quic_cang@quicinc.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2023-09-13 20:44:59 -04:00

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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (c) 2013-2014, The Linux Foundation. All rights reserved.
*/
#undef TRACE_SYSTEM
#define TRACE_SYSTEM ufs
#if !defined(_TRACE_UFS_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_UFS_H
#include <linux/tracepoint.h>
#define str_opcode(opcode) \
__print_symbolic(opcode, \
{ WRITE_16, "WRITE_16" }, \
{ WRITE_10, "WRITE_10" }, \
{ READ_16, "READ_16" }, \
{ READ_10, "READ_10" }, \
{ SYNCHRONIZE_CACHE, "SYNC" }, \
{ UNMAP, "UNMAP" })
#define UFS_LINK_STATES \
EM(UIC_LINK_OFF_STATE, "UIC_LINK_OFF_STATE") \
EM(UIC_LINK_ACTIVE_STATE, "UIC_LINK_ACTIVE_STATE") \
EMe(UIC_LINK_HIBERN8_STATE, "UIC_LINK_HIBERN8_STATE")
#define UFS_PWR_MODES \
EM(UFS_ACTIVE_PWR_MODE, "UFS_ACTIVE_PWR_MODE") \
EM(UFS_SLEEP_PWR_MODE, "UFS_SLEEP_PWR_MODE") \
EM(UFS_POWERDOWN_PWR_MODE, "UFS_POWERDOWN_PWR_MODE") \
EMe(UFS_DEEPSLEEP_PWR_MODE, "UFS_DEEPSLEEP_PWR_MODE")
#define UFSCHD_CLK_GATING_STATES \
EM(CLKS_OFF, "CLKS_OFF") \
EM(CLKS_ON, "CLKS_ON") \
EM(REQ_CLKS_OFF, "REQ_CLKS_OFF") \
EMe(REQ_CLKS_ON, "REQ_CLKS_ON")
#define UFS_CMD_TRACE_STRINGS \
EM(UFS_CMD_SEND, "send_req") \
EM(UFS_CMD_COMP, "complete_rsp") \
EM(UFS_DEV_COMP, "dev_complete") \
EM(UFS_QUERY_SEND, "query_send") \
EM(UFS_QUERY_COMP, "query_complete") \
EM(UFS_QUERY_ERR, "query_complete_err") \
EM(UFS_TM_SEND, "tm_send") \
EM(UFS_TM_COMP, "tm_complete") \
EMe(UFS_TM_ERR, "tm_complete_err")
#define UFS_CMD_TRACE_TSF_TYPES \
EM(UFS_TSF_CDB, "CDB") \
EM(UFS_TSF_OSF, "OSF") \
EM(UFS_TSF_TM_INPUT, "TM_INPUT") \
EMe(UFS_TSF_TM_OUTPUT, "TM_OUTPUT")
/* Enums require being exported to userspace, for user tool parsing */
#undef EM
#undef EMe
#define EM(a, b) TRACE_DEFINE_ENUM(a);
#define EMe(a, b) TRACE_DEFINE_ENUM(a);
UFS_LINK_STATES;
UFS_PWR_MODES;
UFSCHD_CLK_GATING_STATES;
UFS_CMD_TRACE_STRINGS
UFS_CMD_TRACE_TSF_TYPES
/*
* Now redefine the EM() and EMe() macros to map the enums to the strings
* that will be printed in the output.
*/
#undef EM
#undef EMe
#define EM(a, b) {a, b},
#define EMe(a, b) {a, b}
#define show_ufs_cmd_trace_str(str_t) \
__print_symbolic(str_t, UFS_CMD_TRACE_STRINGS)
#define show_ufs_cmd_trace_tsf(tsf) \
__print_symbolic(tsf, UFS_CMD_TRACE_TSF_TYPES)
TRACE_EVENT(ufshcd_clk_gating,
TP_PROTO(const char *dev_name, int state),
TP_ARGS(dev_name, state),
TP_STRUCT__entry(
__string(dev_name, dev_name)
__field(int, state)
),
TP_fast_assign(
__assign_str(dev_name, dev_name);
__entry->state = state;
),
TP_printk("%s: gating state changed to %s",
__get_str(dev_name),
__print_symbolic(__entry->state, UFSCHD_CLK_GATING_STATES))
);
TRACE_EVENT(ufshcd_clk_scaling,
TP_PROTO(const char *dev_name, const char *state, const char *clk,
u32 prev_state, u32 curr_state),
TP_ARGS(dev_name, state, clk, prev_state, curr_state),
TP_STRUCT__entry(
__string(dev_name, dev_name)
__string(state, state)
__string(clk, clk)
__field(u32, prev_state)
__field(u32, curr_state)
),
TP_fast_assign(
__assign_str(dev_name, dev_name);
__assign_str(state, state);
__assign_str(clk, clk);
__entry->prev_state = prev_state;
__entry->curr_state = curr_state;
),
TP_printk("%s: %s %s from %u to %u Hz",
__get_str(dev_name), __get_str(state), __get_str(clk),
__entry->prev_state, __entry->curr_state)
);
TRACE_EVENT(ufshcd_auto_bkops_state,
TP_PROTO(const char *dev_name, const char *state),
TP_ARGS(dev_name, state),
TP_STRUCT__entry(
__string(dev_name, dev_name)
__string(state, state)
),
TP_fast_assign(
__assign_str(dev_name, dev_name);
__assign_str(state, state);
),
TP_printk("%s: auto bkops - %s",
__get_str(dev_name), __get_str(state))
);
DECLARE_EVENT_CLASS(ufshcd_profiling_template,
TP_PROTO(const char *dev_name, const char *profile_info, s64 time_us,
int err),
TP_ARGS(dev_name, profile_info, time_us, err),
TP_STRUCT__entry(
__string(dev_name, dev_name)
__string(profile_info, profile_info)
__field(s64, time_us)
__field(int, err)
),
TP_fast_assign(
__assign_str(dev_name, dev_name);
__assign_str(profile_info, profile_info);
__entry->time_us = time_us;
__entry->err = err;
),
TP_printk("%s: %s: took %lld usecs, err %d",
__get_str(dev_name), __get_str(profile_info),
__entry->time_us, __entry->err)
);
DEFINE_EVENT(ufshcd_profiling_template, ufshcd_profile_hibern8,
TP_PROTO(const char *dev_name, const char *profile_info, s64 time_us,
int err),
TP_ARGS(dev_name, profile_info, time_us, err));
DEFINE_EVENT(ufshcd_profiling_template, ufshcd_profile_clk_gating,
TP_PROTO(const char *dev_name, const char *profile_info, s64 time_us,
int err),
TP_ARGS(dev_name, profile_info, time_us, err));
DEFINE_EVENT(ufshcd_profiling_template, ufshcd_profile_clk_scaling,
TP_PROTO(const char *dev_name, const char *profile_info, s64 time_us,
int err),
TP_ARGS(dev_name, profile_info, time_us, err));
DECLARE_EVENT_CLASS(ufshcd_template,
TP_PROTO(const char *dev_name, int err, s64 usecs,
int dev_state, int link_state),
TP_ARGS(dev_name, err, usecs, dev_state, link_state),
TP_STRUCT__entry(
__field(s64, usecs)
__field(int, err)
__string(dev_name, dev_name)
__field(int, dev_state)
__field(int, link_state)
),
TP_fast_assign(
__entry->usecs = usecs;
__entry->err = err;
__assign_str(dev_name, dev_name);
__entry->dev_state = dev_state;
__entry->link_state = link_state;
),
TP_printk(
"%s: took %lld usecs, dev_state: %s, link_state: %s, err %d",
__get_str(dev_name),
__entry->usecs,
__print_symbolic(__entry->dev_state, UFS_PWR_MODES),
__print_symbolic(__entry->link_state, UFS_LINK_STATES),
__entry->err
)
);
DEFINE_EVENT(ufshcd_template, ufshcd_system_suspend,
TP_PROTO(const char *dev_name, int err, s64 usecs,
int dev_state, int link_state),
TP_ARGS(dev_name, err, usecs, dev_state, link_state));
DEFINE_EVENT(ufshcd_template, ufshcd_system_resume,
TP_PROTO(const char *dev_name, int err, s64 usecs,
int dev_state, int link_state),
TP_ARGS(dev_name, err, usecs, dev_state, link_state));
DEFINE_EVENT(ufshcd_template, ufshcd_runtime_suspend,
TP_PROTO(const char *dev_name, int err, s64 usecs,
int dev_state, int link_state),
TP_ARGS(dev_name, err, usecs, dev_state, link_state));
DEFINE_EVENT(ufshcd_template, ufshcd_runtime_resume,
TP_PROTO(const char *dev_name, int err, s64 usecs,
int dev_state, int link_state),
TP_ARGS(dev_name, err, usecs, dev_state, link_state));
DEFINE_EVENT(ufshcd_template, ufshcd_init,
TP_PROTO(const char *dev_name, int err, s64 usecs,
int dev_state, int link_state),
TP_ARGS(dev_name, err, usecs, dev_state, link_state));
DEFINE_EVENT(ufshcd_template, ufshcd_wl_suspend,
TP_PROTO(const char *dev_name, int err, s64 usecs,
int dev_state, int link_state),
TP_ARGS(dev_name, err, usecs, dev_state, link_state));
DEFINE_EVENT(ufshcd_template, ufshcd_wl_resume,
TP_PROTO(const char *dev_name, int err, s64 usecs,
int dev_state, int link_state),
TP_ARGS(dev_name, err, usecs, dev_state, link_state));
DEFINE_EVENT(ufshcd_template, ufshcd_wl_runtime_suspend,
TP_PROTO(const char *dev_name, int err, s64 usecs,
int dev_state, int link_state),
TP_ARGS(dev_name, err, usecs, dev_state, link_state));
DEFINE_EVENT(ufshcd_template, ufshcd_wl_runtime_resume,
TP_PROTO(const char *dev_name, int err, s64 usecs,
int dev_state, int link_state),
TP_ARGS(dev_name, err, usecs, dev_state, link_state));
TRACE_EVENT(ufshcd_command,
TP_PROTO(struct scsi_device *sdev, enum ufs_trace_str_t str_t,
unsigned int tag, u32 doorbell, u32 hwq_id, int transfer_len,
u32 intr, u64 lba, u8 opcode, u8 group_id),
TP_ARGS(sdev, str_t, tag, doorbell, hwq_id, transfer_len, intr, lba,
opcode, group_id),
TP_STRUCT__entry(
__field(struct scsi_device *, sdev)
__field(enum ufs_trace_str_t, str_t)
__field(unsigned int, tag)
__field(u32, doorbell)
__field(u32, hwq_id)
__field(u32, intr)
__field(u64, lba)
__field(int, transfer_len)
__field(u8, opcode)
__field(u8, group_id)
),
TP_fast_assign(
__entry->sdev = sdev;
__entry->str_t = str_t;
__entry->tag = tag;
__entry->doorbell = doorbell;
__entry->hwq_id = hwq_id;
__entry->intr = intr;
__entry->lba = lba;
__entry->transfer_len = transfer_len;
__entry->opcode = opcode;
__entry->group_id = group_id;
),
TP_printk(
"%s: %s: tag: %u, DB: 0x%x, size: %d, IS: %u, LBA: %llu, opcode: 0x%x (%s), group_id: 0x%x, hwq_id: %d",
show_ufs_cmd_trace_str(__entry->str_t),
dev_name(&__entry->sdev->sdev_dev), __entry->tag,
__entry->doorbell, __entry->transfer_len, __entry->intr,
__entry->lba, (u32)__entry->opcode, str_opcode(__entry->opcode),
(u32)__entry->group_id, __entry->hwq_id
)
);
TRACE_EVENT(ufshcd_uic_command,
TP_PROTO(const char *dev_name, enum ufs_trace_str_t str_t, u32 cmd,
u32 arg1, u32 arg2, u32 arg3),
TP_ARGS(dev_name, str_t, cmd, arg1, arg2, arg3),
TP_STRUCT__entry(
__string(dev_name, dev_name)
__field(enum ufs_trace_str_t, str_t)
__field(u32, cmd)
__field(u32, arg1)
__field(u32, arg2)
__field(u32, arg3)
),
TP_fast_assign(
__assign_str(dev_name, dev_name);
__entry->str_t = str_t;
__entry->cmd = cmd;
__entry->arg1 = arg1;
__entry->arg2 = arg2;
__entry->arg3 = arg3;
),
TP_printk(
"%s: %s: cmd: 0x%x, arg1: 0x%x, arg2: 0x%x, arg3: 0x%x",
show_ufs_cmd_trace_str(__entry->str_t), __get_str(dev_name),
__entry->cmd, __entry->arg1, __entry->arg2, __entry->arg3
)
);
TRACE_EVENT(ufshcd_upiu,
TP_PROTO(const char *dev_name, enum ufs_trace_str_t str_t, void *hdr,
void *tsf, enum ufs_trace_tsf_t tsf_t),
TP_ARGS(dev_name, str_t, hdr, tsf, tsf_t),
TP_STRUCT__entry(
__string(dev_name, dev_name)
__field(enum ufs_trace_str_t, str_t)
__array(unsigned char, hdr, 12)
__array(unsigned char, tsf, 16)
__field(enum ufs_trace_tsf_t, tsf_t)
),
TP_fast_assign(
__assign_str(dev_name, dev_name);
__entry->str_t = str_t;
memcpy(__entry->hdr, hdr, sizeof(__entry->hdr));
memcpy(__entry->tsf, tsf, sizeof(__entry->tsf));
__entry->tsf_t = tsf_t;
),
TP_printk(
"%s: %s: HDR:%s, %s:%s",
show_ufs_cmd_trace_str(__entry->str_t), __get_str(dev_name),
__print_hex(__entry->hdr, sizeof(__entry->hdr)),
show_ufs_cmd_trace_tsf(__entry->tsf_t),
__print_hex(__entry->tsf, sizeof(__entry->tsf))
)
);
TRACE_EVENT(ufshcd_exception_event,
TP_PROTO(const char *dev_name, u16 status),
TP_ARGS(dev_name, status),
TP_STRUCT__entry(
__string(dev_name, dev_name)
__field(u16, status)
),
TP_fast_assign(
__assign_str(dev_name, dev_name);
__entry->status = status;
),
TP_printk("%s: status 0x%x",
__get_str(dev_name), __entry->status
)
);
#endif /* if !defined(_TRACE_UFS_H) || defined(TRACE_HEADER_MULTI_READ) */
/* This part must be outside protection */
#include <trace/define_trace.h>
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