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authorKei Tokunaga <tokunaga.keiich@jp.fujitsu.com>2010-04-01 07:41:40 -0400
committerJames Bottomley <James.Bottomley@suse.de>2010-04-30 13:51:10 -0400
commitbf81623542332bc2cedf3db49cbb2edb724780d2 (patch)
tree47e4b784fefd533251b58ae1c2d8c8d280242bcf
parent5a2e3995951176e1aaa63d17ae2e1d26ac99003d (diff)
[SCSI] add scsi trace core functions and put trace points
Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com> Signed-off-by: Tomohiro Kusumi <kusumi.tomohiro@jp.fujitsu.com> Signed-off-by: Kei Tokunaga <tokunaga.keiich@jp.fujitsu.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat
-rw-r--r--drivers/scsi/Makefile1
-rw-r--r--drivers/scsi/scsi.c6
-rw-r--r--drivers/scsi/scsi_error.c4
-rw-r--r--drivers/scsi/scsi_trace.c185
-rw-r--r--include/trace/events/scsi.h328
-rw-r--r--kernel/trace/trace_output.c1
6 files changed, 525 insertions, 0 deletions
diff --git a/drivers/scsi/Makefile b/drivers/scsi/Makefile
index 92a8c500b23d..1c7ac49be649 100644
--- a/drivers/scsi/Makefile
+++ b/drivers/scsi/Makefile
@@ -162,6 +162,7 @@ scsi_mod-y += scsi_scan.o scsi_sysfs.o scsi_devinfo.o
162scsi_mod-$(CONFIG_SCSI_NETLINK) += scsi_netlink.o 162scsi_mod-$(CONFIG_SCSI_NETLINK) += scsi_netlink.o
163scsi_mod-$(CONFIG_SYSCTL) += scsi_sysctl.o 163scsi_mod-$(CONFIG_SYSCTL) += scsi_sysctl.o
164scsi_mod-$(CONFIG_SCSI_PROC_FS) += scsi_proc.o 164scsi_mod-$(CONFIG_SCSI_PROC_FS) += scsi_proc.o
165scsi_mod-y += scsi_trace.o
165 166
166scsi_tgt-y += scsi_tgt_lib.o scsi_tgt_if.o 167scsi_tgt-y += scsi_tgt_lib.o scsi_tgt_if.o
167 168
diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c
index 1c08f6164658..ad0ed212db4a 100644
--- a/drivers/scsi/scsi.c
+++ b/drivers/scsi/scsi.c
@@ -67,6 +67,9 @@
67#include "scsi_priv.h" 67#include "scsi_priv.h"
68#include "scsi_logging.h" 68#include "scsi_logging.h"
69 69
70#define CREATE_TRACE_POINTS
71#include <trace/events/scsi.h>
72
70static void scsi_done(struct scsi_cmnd *cmd); 73static void scsi_done(struct scsi_cmnd *cmd);
71 74
72/* 75/*
@@ -747,10 +750,12 @@ int scsi_dispatch_cmd(struct scsi_cmnd *cmd)
747 cmd->result = (DID_NO_CONNECT << 16); 750 cmd->result = (DID_NO_CONNECT << 16);
748 scsi_done(cmd); 751 scsi_done(cmd);
749 } else { 752 } else {
753 trace_scsi_dispatch_cmd_start(cmd);
750 rtn = host->hostt->queuecommand(cmd, scsi_done); 754 rtn = host->hostt->queuecommand(cmd, scsi_done);
751 } 755 }
752 spin_unlock_irqrestore(host->host_lock, flags); 756 spin_unlock_irqrestore(host->host_lock, flags);
753 if (rtn) { 757 if (rtn) {
758 trace_scsi_dispatch_cmd_error(cmd, rtn);
754 if (rtn != SCSI_MLQUEUE_DEVICE_BUSY && 759 if (rtn != SCSI_MLQUEUE_DEVICE_BUSY &&
755 rtn != SCSI_MLQUEUE_TARGET_BUSY) 760 rtn != SCSI_MLQUEUE_TARGET_BUSY)
756 rtn = SCSI_MLQUEUE_HOST_BUSY; 761 rtn = SCSI_MLQUEUE_HOST_BUSY;
@@ -781,6 +786,7 @@ int scsi_dispatch_cmd(struct scsi_cmnd *cmd)
781 */ 786 */
782static void scsi_done(struct scsi_cmnd *cmd) 787static void scsi_done(struct scsi_cmnd *cmd)
783{ 788{
789 trace_scsi_dispatch_cmd_done(cmd);
784 blk_complete_request(cmd->request); 790 blk_complete_request(cmd->request);
785} 791}
786 792
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
index 33175974b55a..f31d868f9362 100644
--- a/drivers/scsi/scsi_error.c
+++ b/drivers/scsi/scsi_error.c
@@ -39,6 +39,8 @@
39#include "scsi_logging.h" 39#include "scsi_logging.h"
40#include "scsi_transport_api.h" 40#include "scsi_transport_api.h"
41 41
42#include <trace/events/scsi.h>
43
42#define SENSE_TIMEOUT (10*HZ) 44#define SENSE_TIMEOUT (10*HZ)
43 45
44/* 46/*
@@ -52,6 +54,7 @@
52void scsi_eh_wakeup(struct Scsi_Host *shost) 54void scsi_eh_wakeup(struct Scsi_Host *shost)
53{ 55{
54 if (shost->host_busy == shost->host_failed) { 56 if (shost->host_busy == shost->host_failed) {
57 trace_scsi_eh_wakeup(shost);
55 wake_up_process(shost->ehandler); 58 wake_up_process(shost->ehandler);
56 SCSI_LOG_ERROR_RECOVERY(5, 59 SCSI_LOG_ERROR_RECOVERY(5,
57 printk("Waking error handler thread\n")); 60 printk("Waking error handler thread\n"));
@@ -127,6 +130,7 @@ enum blk_eh_timer_return scsi_times_out(struct request *req)
127 struct scsi_cmnd *scmd = req->special; 130 struct scsi_cmnd *scmd = req->special;
128 enum blk_eh_timer_return rtn = BLK_EH_NOT_HANDLED; 131 enum blk_eh_timer_return rtn = BLK_EH_NOT_HANDLED;
129 132
133 trace_scsi_dispatch_cmd_timeout(scmd);
130 scsi_log_completion(scmd, TIMEOUT_ERROR); 134 scsi_log_completion(scmd, TIMEOUT_ERROR);
131 135
132 if (scmd->device->host->transportt->eh_timed_out) 136 if (scmd->device->host->transportt->eh_timed_out)
diff --git a/drivers/scsi/scsi_trace.c b/drivers/scsi/scsi_trace.c
new file mode 100644
index 000000000000..9a3342a2fa36
--- /dev/null
+++ b/drivers/scsi/scsi_trace.c
@@ -0,0 +1,185 @@
1/*
2 * Copyright (C) 2010 FUJITSU LIMITED
3 * Copyright (C) 2010 Tomohiro Kusumi <kusumi.tomohiro@jp.fujitsu.com>
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18#include <linux/kernel.h>
19#include <linux/trace_seq.h>
20#include <trace/events/scsi.h>
21
22#define SERVICE_ACTION(cdb) ((cdb[8] << 8) | cdb[9])
23
24static const char *
25scsi_trace_misc(struct trace_seq *, unsigned char *, int);
26
27static const char *
28scsi_trace_rw6(struct trace_seq *p, unsigned char *cdb, int len)
29{
30 const char *ret = p->buffer + p->len;
31 sector_t lba = 0, txlen = 0;
32
33 lba |= ((cdb[1] & 0x1F) << 16);
34 lba |= (cdb[2] << 8);
35 lba |= cdb[3];
36 txlen = cdb[4];
37
38 trace_seq_printf(p, "lba=%llu txlen=%llu",
39 (unsigned long long)lba, (unsigned long long)txlen);
40 trace_seq_putc(p, 0);
41
42 return ret;
43}
44
45static const char *
46scsi_trace_rw10(struct trace_seq *p, unsigned char *cdb, int len)
47{
48 const char *ret = p->buffer + p->len;
49 sector_t lba = 0, txlen = 0;
50
51 lba |= (cdb[2] << 24);
52 lba |= (cdb[3] << 16);
53 lba |= (cdb[4] << 8);
54 lba |= cdb[5];
55 txlen |= (cdb[7] << 8);
56 txlen |= cdb[8];
57
58 trace_seq_printf(p, "lba=%llu txlen=%llu",
59 (unsigned long long)lba, (unsigned long long)txlen);
60 trace_seq_putc(p, 0);
61
62 return ret;
63}
64
65static const char *
66scsi_trace_rw12(struct trace_seq *p, unsigned char *cdb, int len)
67{
68 const char *ret = p->buffer + p->len;
69 sector_t lba = 0, txlen = 0;
70
71 lba |= (cdb[2] << 24);
72 lba |= (cdb[3] << 16);
73 lba |= (cdb[4] << 8);
74 lba |= cdb[5];
75 txlen |= (cdb[6] << 24);
76 txlen |= (cdb[7] << 16);
77 txlen |= (cdb[8] << 8);
78 txlen |= cdb[9];
79
80 trace_seq_printf(p, "lba=%llu txlen=%llu",
81 (unsigned long long)lba, (unsigned long long)txlen);
82 trace_seq_putc(p, 0);
83
84 return ret;
85}
86
87static const char *
88scsi_trace_rw16(struct trace_seq *p, unsigned char *cdb, int len)
89{
90 const char *ret = p->buffer + p->len;
91 sector_t lba = 0, txlen = 0;
92
93 lba |= ((u64)cdb[2] << 56);
94 lba |= ((u64)cdb[3] << 48);
95 lba |= ((u64)cdb[4] << 40);
96 lba |= ((u64)cdb[5] << 32);
97 lba |= (cdb[6] << 24);
98 lba |= (cdb[7] << 16);
99 lba |= (cdb[8] << 8);
100 lba |= cdb[9];
101 txlen |= (cdb[10] << 24);
102 txlen |= (cdb[11] << 16);
103 txlen |= (cdb[12] << 8);
104 txlen |= cdb[13];
105
106 trace_seq_printf(p, "lba=%llu txlen=%llu",
107 (unsigned long long)lba, (unsigned long long)txlen);
108 trace_seq_putc(p, 0);
109
110 return ret;
111}
112
113static const char *
114scsi_trace_rw32(struct trace_seq *p, unsigned char *cdb, int len)
115{
116 const char *ret = p->buffer + p->len;
117 sector_t lba = 0, txlen = 0;
118
119 lba |= ((u64)cdb[12] << 56);
120 lba |= ((u64)cdb[13] << 48);
121 lba |= ((u64)cdb[14] << 40);
122 lba |= ((u64)cdb[15] << 32);
123 lba |= (cdb[16] << 24);
124 lba |= (cdb[17] << 16);
125 lba |= (cdb[18] << 8);
126 lba |= cdb[19];
127 txlen |= (cdb[28] << 24);
128 txlen |= (cdb[29] << 16);
129 txlen |= (cdb[30] << 8);
130 txlen |= cdb[31];
131
132 trace_seq_printf(p, "%s_32 lba=%llu txlen=%llu",
133 (SERVICE_ACTION(cdb) == READ_32 ? "READ" : "WRITE"),
134 (unsigned long long)lba, (unsigned long long)txlen);
135
136 trace_seq_putc(p, 0);
137
138 return ret;
139}
140
141static const char *
142scsi_trace_varlen(struct trace_seq *p, unsigned char *cdb, int len)
143{
144 switch (SERVICE_ACTION(cdb)) {
145 case READ_32:
146 case WRITE_32:
147 return scsi_trace_rw32(p, cdb, len);
148 default:
149 return scsi_trace_misc(p, cdb, len);
150 }
151}
152
153static const char *
154scsi_trace_misc(struct trace_seq *p, unsigned char *cdb, int len)
155{
156 const char *ret = p->buffer + p->len;
157
158 trace_seq_printf(p, "-");
159 trace_seq_putc(p, 0);
160
161 return ret;
162}
163
164const char *
165scsi_trace_parse_cdb(struct trace_seq *p, unsigned char *cdb, int len)
166{
167 switch (cdb[0]) {
168 case READ_6:
169 case WRITE_6:
170 return scsi_trace_rw6(p, cdb, len);
171 case READ_10:
172 case WRITE_10:
173 return scsi_trace_rw10(p, cdb, len);
174 case READ_12:
175 case WRITE_12:
176 return scsi_trace_rw12(p, cdb, len);
177 case READ_16:
178 case WRITE_16:
179 return scsi_trace_rw16(p, cdb, len);
180 case VARIABLE_LENGTH_CMD:
181 return scsi_trace_varlen(p, cdb, len);
182 default:
183 return scsi_trace_misc(p, cdb, len);
184 }
185}
diff --git a/include/trace/events/scsi.h b/include/trace/events/scsi.h
new file mode 100644
index 000000000000..76cbf828eb86
--- /dev/null
+++ b/include/trace/events/scsi.h
@@ -0,0 +1,328 @@
1#undef TRACE_SYSTEM
2#define TRACE_SYSTEM scsi
3
4#if !defined(_TRACE_SCSI_H) || defined(TRACE_HEADER_MULTI_READ)
5#define _TRACE_SCSI_H
6
7#include <scsi/scsi_cmnd.h>
8#include <scsi/scsi_host.h>
9#include <linux/tracepoint.h>
10#include <linux/trace_seq.h>
11
12#define scsi_opcode_name(opcode) { opcode, #opcode }
13#define show_opcode_name(val) \
14 __print_symbolic(val, \
15 scsi_opcode_name(TEST_UNIT_READY), \
16 scsi_opcode_name(REZERO_UNIT), \
17 scsi_opcode_name(REQUEST_SENSE), \
18 scsi_opcode_name(FORMAT_UNIT), \
19 scsi_opcode_name(READ_BLOCK_LIMITS), \
20 scsi_opcode_name(REASSIGN_BLOCKS), \
21 scsi_opcode_name(INITIALIZE_ELEMENT_STATUS), \
22 scsi_opcode_name(READ_6), \
23 scsi_opcode_name(WRITE_6), \
24 scsi_opcode_name(SEEK_6), \
25 scsi_opcode_name(READ_REVERSE), \
26 scsi_opcode_name(WRITE_FILEMARKS), \
27 scsi_opcode_name(SPACE), \
28 scsi_opcode_name(INQUIRY), \
29 scsi_opcode_name(RECOVER_BUFFERED_DATA), \
30 scsi_opcode_name(MODE_SELECT), \
31 scsi_opcode_name(RESERVE), \
32 scsi_opcode_name(RELEASE), \
33 scsi_opcode_name(COPY), \
34 scsi_opcode_name(ERASE), \
35 scsi_opcode_name(MODE_SENSE), \
36 scsi_opcode_name(START_STOP), \
37 scsi_opcode_name(RECEIVE_DIAGNOSTIC), \
38 scsi_opcode_name(SEND_DIAGNOSTIC), \
39 scsi_opcode_name(ALLOW_MEDIUM_REMOVAL), \
40 scsi_opcode_name(SET_WINDOW), \
41 scsi_opcode_name(READ_CAPACITY), \
42 scsi_opcode_name(READ_10), \
43 scsi_opcode_name(WRITE_10), \
44 scsi_opcode_name(SEEK_10), \
45 scsi_opcode_name(POSITION_TO_ELEMENT), \
46 scsi_opcode_name(WRITE_VERIFY), \
47 scsi_opcode_name(VERIFY), \
48 scsi_opcode_name(SEARCH_HIGH), \
49 scsi_opcode_name(SEARCH_EQUAL), \
50 scsi_opcode_name(SEARCH_LOW), \
51 scsi_opcode_name(SET_LIMITS), \
52 scsi_opcode_name(PRE_FETCH), \
53 scsi_opcode_name(READ_POSITION), \
54 scsi_opcode_name(SYNCHRONIZE_CACHE), \
55 scsi_opcode_name(LOCK_UNLOCK_CACHE), \
56 scsi_opcode_name(READ_DEFECT_DATA), \
57 scsi_opcode_name(MEDIUM_SCAN), \
58 scsi_opcode_name(COMPARE), \
59 scsi_opcode_name(COPY_VERIFY), \
60 scsi_opcode_name(WRITE_BUFFER), \
61 scsi_opcode_name(READ_BUFFER), \
62 scsi_opcode_name(UPDATE_BLOCK), \
63 scsi_opcode_name(READ_LONG), \
64 scsi_opcode_name(WRITE_LONG), \
65 scsi_opcode_name(CHANGE_DEFINITION), \
66 scsi_opcode_name(WRITE_SAME), \
67 scsi_opcode_name(UNMAP), \
68 scsi_opcode_name(READ_TOC), \
69 scsi_opcode_name(LOG_SELECT), \
70 scsi_opcode_name(LOG_SENSE), \
71 scsi_opcode_name(XDWRITEREAD_10), \
72 scsi_opcode_name(MODE_SELECT_10), \
73 scsi_opcode_name(RESERVE_10), \
74 scsi_opcode_name(RELEASE_10), \
75 scsi_opcode_name(MODE_SENSE_10), \
76 scsi_opcode_name(PERSISTENT_RESERVE_IN), \
77 scsi_opcode_name(PERSISTENT_RESERVE_OUT), \
78 scsi_opcode_name(VARIABLE_LENGTH_CMD), \
79 scsi_opcode_name(REPORT_LUNS), \
80 scsi_opcode_name(MAINTENANCE_IN), \
81 scsi_opcode_name(MAINTENANCE_OUT), \
82 scsi_opcode_name(MOVE_MEDIUM), \
83 scsi_opcode_name(EXCHANGE_MEDIUM), \
84 scsi_opcode_name(READ_12), \
85 scsi_opcode_name(WRITE_12), \
86 scsi_opcode_name(WRITE_VERIFY_12), \
87 scsi_opcode_name(SEARCH_HIGH_12), \
88 scsi_opcode_name(SEARCH_EQUAL_12), \
89 scsi_opcode_name(SEARCH_LOW_12), \
90 scsi_opcode_name(READ_ELEMENT_STATUS), \
91 scsi_opcode_name(SEND_VOLUME_TAG), \
92 scsi_opcode_name(WRITE_LONG_2), \
93 scsi_opcode_name(READ_16), \
94 scsi_opcode_name(WRITE_16), \
95 scsi_opcode_name(VERIFY_16), \
96 scsi_opcode_name(WRITE_SAME_16), \
97 scsi_opcode_name(SERVICE_ACTION_IN), \
98 scsi_opcode_name(SAI_READ_CAPACITY_16), \
99 scsi_opcode_name(SAI_GET_LBA_STATUS), \
100 scsi_opcode_name(MI_REPORT_TARGET_PGS), \
101 scsi_opcode_name(MO_SET_TARGET_PGS), \
102 scsi_opcode_name(READ_32), \
103 scsi_opcode_name(WRITE_32), \
104 scsi_opcode_name(WRITE_SAME_32), \
105 scsi_opcode_name(ATA_16), \
106 scsi_opcode_name(ATA_12))
107
108#define scsi_hostbyte_name(result) { result, #result }
109#define show_hostbyte_name(val) \
110 __print_symbolic(val, \
111 scsi_hostbyte_name(DID_OK), \
112 scsi_hostbyte_name(DID_NO_CONNECT), \
113 scsi_hostbyte_name(DID_BUS_BUSY), \
114 scsi_hostbyte_name(DID_TIME_OUT), \
115 scsi_hostbyte_name(DID_BAD_TARGET), \
116 scsi_hostbyte_name(DID_ABORT), \
117 scsi_hostbyte_name(DID_PARITY), \
118 scsi_hostbyte_name(DID_ERROR), \
119 scsi_hostbyte_name(DID_RESET), \
120 scsi_hostbyte_name(DID_BAD_INTR), \
121 scsi_hostbyte_name(DID_PASSTHROUGH), \
122 scsi_hostbyte_name(DID_SOFT_ERROR), \
123 scsi_hostbyte_name(DID_IMM_RETRY), \
124 scsi_hostbyte_name(DID_REQUEUE), \
125 scsi_hostbyte_name(DID_TRANSPORT_DISRUPTED), \
126 scsi_hostbyte_name(DID_TRANSPORT_FAILFAST))
127
128#define scsi_driverbyte_name(result) { result, #result }
129#define show_driverbyte_name(val) \
130 __print_symbolic(val, \
131 scsi_driverbyte_name(DRIVER_OK), \
132 scsi_driverbyte_name(DRIVER_BUSY), \
133 scsi_driverbyte_name(DRIVER_SOFT), \
134 scsi_driverbyte_name(DRIVER_MEDIA), \
135 scsi_driverbyte_name(DRIVER_ERROR), \
136 scsi_driverbyte_name(DRIVER_INVALID), \
137 scsi_driverbyte_name(DRIVER_TIMEOUT), \
138 scsi_driverbyte_name(DRIVER_HARD), \
139 scsi_driverbyte_name(DRIVER_SENSE))
140
141#define scsi_msgbyte_name(result) { result, #result }
142#define show_msgbyte_name(val) \
143 __print_symbolic(val, \
144 scsi_msgbyte_name(COMMAND_COMPLETE), \
145 scsi_msgbyte_name(EXTENDED_MESSAGE), \
146 scsi_msgbyte_name(SAVE_POINTERS), \
147 scsi_msgbyte_name(RESTORE_POINTERS), \
148 scsi_msgbyte_name(DISCONNECT), \
149 scsi_msgbyte_name(INITIATOR_ERROR), \
150 scsi_msgbyte_name(ABORT_TASK_SET), \
151 scsi_msgbyte_name(MESSAGE_REJECT), \
152 scsi_msgbyte_name(NOP), \
153 scsi_msgbyte_name(MSG_PARITY_ERROR), \
154 scsi_msgbyte_name(LINKED_CMD_COMPLETE), \
155 scsi_msgbyte_name(LINKED_FLG_CMD_COMPLETE), \
156 scsi_msgbyte_name(TARGET_RESET), \
157 scsi_msgbyte_name(ABORT_TASK), \
158 scsi_msgbyte_name(CLEAR_TASK_SET), \
159 scsi_msgbyte_name(INITIATE_RECOVERY), \
160 scsi_msgbyte_name(RELEASE_RECOVERY), \
161 scsi_msgbyte_name(CLEAR_ACA), \
162 scsi_msgbyte_name(LOGICAL_UNIT_RESET), \
163 scsi_msgbyte_name(SIMPLE_QUEUE_TAG), \
164 scsi_msgbyte_name(HEAD_OF_QUEUE_TAG), \
165 scsi_msgbyte_name(ORDERED_QUEUE_TAG), \
166 scsi_msgbyte_name(IGNORE_WIDE_RESIDUE), \
167 scsi_msgbyte_name(ACA), \
168 scsi_msgbyte_name(QAS_REQUEST), \
169 scsi_msgbyte_name(BUS_DEVICE_RESET), \
170 scsi_msgbyte_name(ABORT))
171
172#define scsi_statusbyte_name(result) { result, #result }
173#define show_statusbyte_name(val) \
174 __print_symbolic(val, \
175 scsi_statusbyte_name(SAM_STAT_GOOD), \
176 scsi_statusbyte_name(SAM_STAT_CHECK_CONDITION), \
177 scsi_statusbyte_name(SAM_STAT_CONDITION_MET), \
178 scsi_statusbyte_name(SAM_STAT_BUSY), \
179 scsi_statusbyte_name(SAM_STAT_INTERMEDIATE), \
180 scsi_statusbyte_name(SAM_STAT_INTERMEDIATE_CONDITION_MET), \
181 scsi_statusbyte_name(SAM_STAT_RESERVATION_CONFLICT), \
182 scsi_statusbyte_name(SAM_STAT_COMMAND_TERMINATED), \
183 scsi_statusbyte_name(SAM_STAT_TASK_SET_FULL), \
184 scsi_statusbyte_name(SAM_STAT_ACA_ACTIVE), \
185 scsi_statusbyte_name(SAM_STAT_TASK_ABORTED))
186
187const char *scsi_trace_parse_cdb(struct trace_seq*, unsigned char*, int);
188#define __parse_cdb(cdb, len) scsi_trace_parse_cdb(p, cdb, len)
189
190TRACE_EVENT(scsi_dispatch_cmd_start,
191
192 TP_PROTO(struct scsi_cmnd *cmd),
193
194 TP_ARGS(cmd),
195
196 TP_STRUCT__entry(
197 __field( unsigned int, host_no )
198 __field( unsigned int, channel )
199 __field( unsigned int, id )
200 __field( unsigned int, lun )
201 __field( unsigned int, opcode )
202 __field( unsigned int, cmd_len )
203 __dynamic_array(unsigned char, cmnd, cmd->cmd_len)
204 ),
205
206 TP_fast_assign(
207 __entry->host_no = cmd->device->host->host_no;
208 __entry->channel = cmd->device->channel;
209 __entry->id = cmd->device->id;
210 __entry->lun = cmd->device->lun;
211 __entry->opcode = cmd->cmnd[0];
212 __entry->cmd_len = cmd->cmd_len;
213 memcpy(__get_dynamic_array(cmnd), cmd->cmnd, cmd->cmd_len);
214 ),
215
216 TP_printk("host_no=%u channel=%u id=%u lun=%u cmnd=(%s %s raw=%s)",
217 __entry->host_no, __entry->channel, __entry->id,
218 __entry->lun, show_opcode_name(__entry->opcode),
219 __parse_cdb(__get_dynamic_array(cmnd), __entry->cmd_len),
220 __print_hex(__get_dynamic_array(cmnd), __entry->cmd_len))
221);
222
223TRACE_EVENT(scsi_dispatch_cmd_error,
224
225 TP_PROTO(struct scsi_cmnd *cmd, int rtn),
226
227 TP_ARGS(cmd, rtn),
228
229 TP_STRUCT__entry(
230 __field( unsigned int, host_no )
231 __field( unsigned int, channel )
232 __field( unsigned int, id )
233 __field( unsigned int, lun )
234 __field( int, rtn )
235 __field( unsigned int, opcode )
236 __field( unsigned int, cmd_len )
237 __dynamic_array(unsigned char, cmnd, cmd->cmd_len)
238 ),
239
240 TP_fast_assign(
241 __entry->host_no = cmd->device->host->host_no;
242 __entry->channel = cmd->device->channel;
243 __entry->id = cmd->device->id;
244 __entry->lun = cmd->device->lun;
245 __entry->rtn = rtn;
246 __entry->opcode = cmd->cmnd[0];
247 __entry->cmd_len = cmd->cmd_len;
248 memcpy(__get_dynamic_array(cmnd), cmd->cmnd, cmd->cmd_len);
249 ),
250
251 TP_printk("host_no=%u channel=%u id=%u lun=%u cmnd=(%s %s raw=%s)"
252 " rtn=%d",
253 __entry->host_no, __entry->channel, __entry->id,
254 __entry->lun, show_opcode_name(__entry->opcode),
255 __parse_cdb(__get_dynamic_array(cmnd), __entry->cmd_len),
256 __print_hex(__get_dynamic_array(cmnd), __entry->cmd_len),
257 __entry->rtn)
258);
259
260DECLARE_EVENT_CLASS(scsi_cmd_done_timeout_template,
261
262 TP_PROTO(struct scsi_cmnd *cmd),
263
264 TP_ARGS(cmd),
265
266 TP_STRUCT__entry(
267 __field( unsigned int, host_no )
268 __field( unsigned int, channel )
269 __field( unsigned int, id )
270 __field( unsigned int, lun )
271 __field( int, result )
272 __field( unsigned int, opcode )
273 __field( unsigned int, cmd_len )
274 __dynamic_array(unsigned char, cmnd, cmd->cmd_len)
275 ),
276
277 TP_fast_assign(
278 __entry->host_no = cmd->device->host->host_no;
279 __entry->channel = cmd->device->channel;
280 __entry->id = cmd->device->id;
281 __entry->lun = cmd->device->lun;
282 __entry->result = cmd->result;
283 __entry->opcode = cmd->cmnd[0];
284 __entry->cmd_len = cmd->cmd_len;
285 memcpy(__get_dynamic_array(cmnd), cmd->cmnd, cmd->cmd_len);
286 ),
287
288 TP_printk("host_no=%u channel=%u id=%u lun=%u cmnd=(%s %s raw=%s) "
289 "result=(driver=%s host=%s message=%s status=%s)",
290 __entry->host_no, __entry->channel, __entry->id,
291 __entry->lun, show_opcode_name(__entry->opcode),
292 __parse_cdb(__get_dynamic_array(cmnd), __entry->cmd_len),
293 __print_hex(__get_dynamic_array(cmnd), __entry->cmd_len),
294 show_driverbyte_name(((__entry->result) >> 24) & 0xff),
295 show_hostbyte_name(((__entry->result) >> 16) & 0xff),
296 show_msgbyte_name(((__entry->result) >> 8) & 0xff),
297 show_statusbyte_name(__entry->result & 0xff))
298);
299
300DEFINE_EVENT(scsi_cmd_done_timeout_template, scsi_dispatch_cmd_done,
301 TP_PROTO(struct scsi_cmnd *cmd),
302 TP_ARGS(cmd));
303
304DEFINE_EVENT(scsi_cmd_done_timeout_template, scsi_dispatch_cmd_timeout,
305 TP_PROTO(struct scsi_cmnd *cmd),
306 TP_ARGS(cmd));
307
308TRACE_EVENT(scsi_eh_wakeup,
309
310 TP_PROTO(struct Scsi_Host *shost),
311
312 TP_ARGS(shost),
313
314 TP_STRUCT__entry(
315 __field( unsigned int, host_no )
316 ),
317
318 TP_fast_assign(
319 __entry->host_no = shost->host_no;
320 ),
321
322 TP_printk("host_no=%u", __entry->host_no)
323);
324
325#endif /* _TRACE_SCSI_H */
326
327/* This part must be outside protection */
328#include <trace/define_trace.h>
diff --git a/kernel/trace/trace_output.c b/kernel/trace/trace_output.c
index 7c4a0ca650b5..9cb5df5dc656 100644
--- a/kernel/trace/trace_output.c
+++ b/kernel/trace/trace_output.c
@@ -209,6 +209,7 @@ int trace_seq_putc(struct trace_seq *s, unsigned char c)
209 209
210 return 1; 210 return 1;
211} 211}
212EXPORT_SYMBOL(trace_seq_putc);
212 213
213int trace_seq_putmem(struct trace_seq *s, const void *mem, size_t len) 214int trace_seq_putmem(struct trace_seq *s, const void *mem, size_t len)
214{ 215{
generated by cgit v1.2.2 (git 2.25.0) at 2026-05-29 15:41:41 -0400