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-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 92a8c50..1c7ac49 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
scsi_mod-$(CONFIG_SCSI_NETLINK) += scsi_netlink.o
scsi_mod-$(CONFIG_SYSCTL) += scsi_sysctl.o
scsi_mod-$(CONFIG_SCSI_PROC_FS) += scsi_proc.o
+scsi_mod-y += scsi_trace.o
scsi_tgt-y += scsi_tgt_lib.o scsi_tgt_if.o
diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c
index 1c08f61..ad0ed21 100644
--- a/drivers/scsi/scsi.c
+++ b/drivers/scsi/scsi.c
@@ -67,6 +67,9 @@
#include "scsi_priv.h"
#include "scsi_logging.h"
+#define CREATE_TRACE_POINTS
+#include <trace/events/scsi.h>
+
static void scsi_done(struct scsi_cmnd *cmd);
/*
@@ -747,10 +750,12 @@ int scsi_dispatch_cmd(struct scsi_cmnd *cmd)
cmd->result = (DID_NO_CONNECT << 16);
scsi_done(cmd);
} else {
+ trace_scsi_dispatch_cmd_start(cmd);
rtn = host->hostt->queuecommand(cmd, scsi_done);
}
spin_unlock_irqrestore(host->host_lock, flags);
if (rtn) {
+ trace_scsi_dispatch_cmd_error(cmd, rtn);
if (rtn != SCSI_MLQUEUE_DEVICE_BUSY &&
rtn != SCSI_MLQUEUE_TARGET_BUSY)
rtn = SCSI_MLQUEUE_HOST_BUSY;
@@ -781,6 +786,7 @@ int scsi_dispatch_cmd(struct scsi_cmnd *cmd)
*/
static void scsi_done(struct scsi_cmnd *cmd)
{
+ trace_scsi_dispatch_cmd_done(cmd);
blk_complete_request(cmd->request);
}
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
index 3317597..f31d868 100644
--- a/drivers/scsi/scsi_error.c
+++ b/drivers/scsi/scsi_error.c
@@ -39,6 +39,8 @@
#include "scsi_logging.h"
#include "scsi_transport_api.h"
+#include <trace/events/scsi.h>
+
#define SENSE_TIMEOUT (10*HZ)
/*
@@ -52,6 +54,7 @@
void scsi_eh_wakeup(struct Scsi_Host *shost)
{
if (shost->host_busy == shost->host_failed) {
+ trace_scsi_eh_wakeup(shost);
wake_up_process(shost->ehandler);
SCSI_LOG_ERROR_RECOVERY(5,
printk("Waking error handler thread\n"));
@@ -127,6 +130,7 @@ enum blk_eh_timer_return scsi_times_out(struct request *req)
struct scsi_cmnd *scmd = req->special;
enum blk_eh_timer_return rtn = BLK_EH_NOT_HANDLED;
+ trace_scsi_dispatch_cmd_timeout(scmd);
scsi_log_completion(scmd, TIMEOUT_ERROR);
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 0000000..9a3342a
--- /dev/null
+++ b/drivers/scsi/scsi_trace.c
@@ -0,0 +1,185 @@
+/*
+ * Copyright (C) 2010 FUJITSU LIMITED
+ * Copyright (C) 2010 Tomohiro Kusumi <kusumi.tomohiro@jp.fujitsu.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+#include <linux/kernel.h>
+#include <linux/trace_seq.h>
+#include <trace/events/scsi.h>
+
+#define SERVICE_ACTION(cdb) ((cdb[8] << 8) | cdb[9])
+
+static const char *
+scsi_trace_misc(struct trace_seq *, unsigned char *, int);
+
+static const char *
+scsi_trace_rw6(struct trace_seq *p, unsigned char *cdb, int len)
+{
+ const char *ret = p->buffer + p->len;
+ sector_t lba = 0, txlen = 0;
+
+ lba |= ((cdb[1] & 0x1F) << 16);
+ lba |= (cdb[2] << 8);
+ lba |= cdb[3];
+ txlen = cdb[4];
+
+ trace_seq_printf(p, "lba=%llu txlen=%llu",
+ (unsigned long long)lba, (unsigned long long)txlen);
+ trace_seq_putc(p, 0);
+
+ return ret;
+}
+
+static const char *
+scsi_trace_rw10(struct trace_seq *p, unsigned char *cdb, int len)
+{
+ const char *ret = p->buffer + p->len;
+ sector_t lba = 0, txlen = 0;
+
+ lba |= (cdb[2] << 24);
+ lba |= (cdb[3] << 16);
+ lba |= (cdb[4] << 8);
+ lba |= cdb[5];
+ txlen |= (cdb[7] << 8);
+ txlen |= cdb[8];
+
+ trace_seq_printf(p, "lba=%llu txlen=%llu",
+ (unsigned long long)lba, (unsigned long long)txlen);
+ trace_seq_putc(p, 0);
+
+ return ret;
+}
+
+static const char *
+scsi_trace_rw12(struct trace_seq *p, unsigned char *cdb, int len)
+{
+ const char *ret = p->buffer + p->len;
+ sector_t lba = 0, txlen = 0;
+
+ lba |= (cdb[2] << 24);
+ lba |= (cdb[3] << 16);
+ lba |= (cdb[4] << 8);
+ lba |= cdb[5];
+ txlen |= (cdb[6] << 24);
+ txlen |= (cdb[7] << 16);
+ txlen |= (cdb[8] << 8);
+ txlen |= cdb[9];
+
+ trace_seq_printf(p, "lba=%llu txlen=%llu",
+ (unsigned long long)lba, (unsigned long long)txlen);
+ trace_seq_putc(p, 0);
+
+ return ret;
+}
+
+static const char *
+scsi_trace_rw16(struct trace_seq *p, unsigned char *cdb, int len)
+{
+ const char *ret = p->buffer + p->len;
+ sector_t lba = 0, txlen = 0;
+
+ lba |= ((u64)cdb[2] << 56);
+ lba |= ((u64)cdb[3] << 48);
+ lba |= ((u64)cdb[4] << 40);
+ lba |= ((u64)cdb[5] << 32);
+ lba |= (cdb[6] << 24);
+ lba |= (cdb[7] << 16);
+ lba |= (cdb[8] << 8);
+ lba |= cdb[9];
+ txlen |= (cdb[10] << 24);
+ txlen |= (cdb[11] << 16);
+ txlen |= (cdb[12] << 8);
+ txlen |= cdb[13];
+
+ trace_seq_printf(p, "lba=%llu txlen=%llu",
+ (unsigned long long)lba, (unsigned long long)txlen);
+ trace_seq_putc(p, 0);
+
+ return ret;
+}
+
+static const char *
+scsi_trace_rw32(struct trace_seq *p, unsigned char *cdb, int len)
+{
+ const char *ret = p->buffer + p->len;
+ sector_t lba = 0, txlen = 0;
+
+ lba |= ((u64)cdb[12] << 56);
+ lba |= ((u64)cdb[13] << 48);
+ lba |= ((u64)cdb[14] << 40);
+ lba |= ((u64)cdb[15] << 32);
+ lba |= (cdb[16] << 24);
+ lba |= (cdb[17] << 16);
+ lba |= (cdb[18] << 8);
+ lba |= cdb[19];
+ txlen |= (cdb[28] << 24);
+ txlen |= (cdb[29] << 16);
+ txlen |= (cdb[30] << 8);
+ txlen |= cdb[31];
+
+ trace_seq_printf(p, "%s_32 lba=%llu txlen=%llu",
+ (SERVICE_ACTION(cdb) == READ_32 ? "READ" : "WRITE"),
+ (unsigned long long)lba, (unsigned long long)txlen);
+
+ trace_seq_putc(p, 0);
+
+ return ret;
+}
+
+static const char *
+scsi_trace_varlen(struct trace_seq *p, unsigned char *cdb, int len)
+{
+ switch (SERVICE_ACTION(cdb)) {
+ case READ_32:
+ case WRITE_32:
+ return scsi_trace_rw32(p, cdb, len);
+ default:
+ return scsi_trace_misc(p, cdb, len);
+ }
+}
+
+static const char *
+scsi_trace_misc(struct trace_seq *p, unsigned char *cdb, int len)
+{
+ const char *ret = p->buffer + p->len;
+
+ trace_seq_printf(p, "-");
+ trace_seq_putc(p, 0);
+
+ return ret;
+}
+
+const char *
+scsi_trace_parse_cdb(struct trace_seq *p, unsigned char *cdb, int len)
+{
+ switch (cdb[0]) {
+ case READ_6:
+ case WRITE_6:
+ return scsi_trace_rw6(p, cdb, len);
+ case READ_10:
+ case WRITE_10:
+ return scsi_trace_rw10(p, cdb, len);
+ case READ_12:
+ case WRITE_12:
+ return scsi_trace_rw12(p, cdb, len);
+ case READ_16:
+ case WRITE_16:
+ return scsi_trace_rw16(p, cdb, len);
+ case VARIABLE_LENGTH_CMD:
+ return scsi_trace_varlen(p, cdb, len);
+ default:
+ return scsi_trace_misc(p, cdb, len);
+ }
+}
diff --git a/include/trace/events/scsi.h b/include/trace/events/scsi.h
new file mode 100644
index 0000000..76cbf82
--- /dev/null
+++ b/include/trace/events/scsi.h
@@ -0,0 +1,328 @@
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM scsi
+
+#if !defined(_TRACE_SCSI_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_SCSI_H
+
+#include <scsi/scsi_cmnd.h>
+#include <scsi/scsi_host.h>
+#include <linux/tracepoint.h>
+#include <linux/trace_seq.h>
+
+#define scsi_opcode_name(opcode) { opcode, #opcode }
+#define show_opcode_name(val) \
+ __print_symbolic(val, \
+ scsi_opcode_name(TEST_UNIT_READY), \
+ scsi_opcode_name(REZERO_UNIT), \
+ scsi_opcode_name(REQUEST_SENSE), \
+ scsi_opcode_name(FORMAT_UNIT), \
+ scsi_opcode_name(READ_BLOCK_LIMITS), \
+ scsi_opcode_name(REASSIGN_BLOCKS), \
+ scsi_opcode_name(INITIALIZE_ELEMENT_STATUS), \
+ scsi_opcode_name(READ_6), \
+ scsi_opcode_name(WRITE_6), \
+ scsi_opcode_name(SEEK_6), \
+ scsi_opcode_name(READ_REVERSE), \
+ scsi_opcode_name(WRITE_FILEMARKS), \
+ scsi_opcode_name(SPACE), \
+ scsi_opcode_name(INQUIRY), \
+ scsi_opcode_name(RECOVER_BUFFERED_DATA), \
+ scsi_opcode_name(MODE_SELECT), \
+ scsi_opcode_name(RESERVE), \
+ scsi_opcode_name(RELEASE), \
+ scsi_opcode_name(COPY), \
+ scsi_opcode_name(ERASE), \
+ scsi_opcode_name(MODE_SENSE), \
+ scsi_opcode_name(START_STOP), \
+ scsi_opcode_name(RECEIVE_DIAGNOSTIC), \
+ scsi_opcode_name(SEND_DIAGNOSTIC), \
+ scsi_opcode_name(ALLOW_MEDIUM_REMOVAL), \
+ scsi_opcode_name(SET_WINDOW), \
+ scsi_opcode_name(READ_CAPACITY), \
+ scsi_opcode_name(READ_10), \
+ scsi_opcode_name(WRITE_10), \
+ scsi_opcode_name(SEEK_10), \
+ scsi_opcode_name(POSITION_TO_ELEMENT), \
+ scsi_opcode_name(WRITE_VERIFY), \
+ scsi_opcode_name(VERIFY), \
+ scsi_opcode_name(SEARCH_HIGH), \
+ scsi_opcode_name(SEARCH_EQUAL), \
+ scsi_opcode_name(SEARCH_LOW), \
+ scsi_opcode_name(SET_LIMITS), \
+ scsi_opcode_name(PRE_FETCH), \
+ scsi_opcode_name(READ_POSITION), \
+ scsi_opcode_name(SYNCHRONIZE_CACHE), \
+ scsi_opcode_name(LOCK_UNLOCK_CACHE), \
+ scsi_opcode_name(READ_DEFECT_DATA), \
+ scsi_opcode_name(MEDIUM_SCAN), \
+ scsi_opcode_name(COMPARE), \
+ scsi_opcode_name(COPY_VERIFY), \
+ scsi_opcode_name(WRITE_BUFFER), \
+ scsi_opcode_name(READ_BUFFER), \
+ scsi_opcode_name(UPDATE_BLOCK), \
+ scsi_opcode_name(READ_LONG), \
+ scsi_opcode_name(WRITE_LONG), \
+ scsi_opcode_name(CHANGE_DEFINITION), \
+ scsi_opcode_name(WRITE_SAME), \
+ scsi_opcode_name(UNMAP), \
+ scsi_opcode_name(READ_TOC), \
+ scsi_opcode_name(LOG_SELECT), \
+ scsi_opcode_name(LOG_SENSE), \
+ scsi_opcode_name(XDWRITEREAD_10), \
+ scsi_opcode_name(MODE_SELECT_10), \
+ scsi_opcode_name(RESERVE_10), \
+ scsi_opcode_name(RELEASE_10), \
+ scsi_opcode_name(MODE_SENSE_10), \
+ scsi_opcode_name(PERSISTENT_RESERVE_IN), \
+ scsi_opcode_name(PERSISTENT_RESERVE_OUT), \
+ scsi_opcode_name(VARIABLE_LENGTH_CMD), \
+ scsi_opcode_name(REPORT_LUNS), \
+ scsi_opcode_name(MAINTENANCE_IN), \
+ scsi_opcode_name(MAINTENANCE_OUT), \
+ scsi_opcode_name(MOVE_MEDIUM), \
+ scsi_opcode_name(EXCHANGE_MEDIUM), \
+ scsi_opcode_name(READ_12), \
+ scsi_opcode_name(WRITE_12), \
+ scsi_opcode_name(WRITE_VERIFY_12), \
+ scsi_opcode_name(SEARCH_HIGH_12), \
+ scsi_opcode_name(SEARCH_EQUAL_12), \
+ scsi_opcode_name(SEARCH_LOW_12), \
+ scsi_opcode_name(READ_ELEMENT_STATUS), \
+ scsi_opcode_name(SEND_VOLUME_TAG), \
+ scsi_opcode_name(WRITE_LONG_2), \
+ scsi_opcode_name(READ_16), \
+ scsi_opcode_name(WRITE_16), \
+ scsi_opcode_name(VERIFY_16), \
+ scsi_opcode_name(WRITE_SAME_16), \
+ scsi_opcode_name(SERVICE_ACTION_IN), \
+ scsi_opcode_name(SAI_READ_CAPACITY_16), \
+ scsi_opcode_name(SAI_GET_LBA_STATUS), \
+ scsi_opcode_name(MI_REPORT_TARGET_PGS), \
+ scsi_opcode_name(MO_SET_TARGET_PGS), \
+ scsi_opcode_name(READ_32), \
+ scsi_opcode_name(WRITE_32), \
+ scsi_opcode_name(WRITE_SAME_32), \
+ scsi_opcode_name(ATA_16), \
+ scsi_opcode_name(ATA_12))
+
+#define scsi_hostbyte_name(result) { result, #result }
+#define show_hostbyte_name(val) \
+ __print_symbolic(val, \
+ scsi_hostbyte_name(DID_OK), \
+ scsi_hostbyte_name(DID_NO_CONNECT), \
+ scsi_hostbyte_name(DID_BUS_BUSY), \
+ scsi_hostbyte_name(DID_TIME_OUT), \
+ scsi_hostbyte_name(DID_BAD_TARGET), \
+ scsi_hostbyte_name(DID_ABORT), \
+ scsi_hostbyte_name(DID_PARITY), \
+ scsi_hostbyte_name(DID_ERROR), \
+ scsi_hostbyte_name(DID_RESET), \
+ scsi_hostbyte_name(DID_BAD_INTR), \
+ scsi_hostbyte_name(DID_PASSTHROUGH), \
+ scsi_hostbyte_name(DID_SOFT_ERROR), \
+ scsi_hostbyte_name(DID_IMM_RETRY), \
+ scsi_hostbyte_name(DID_REQUEUE), \
+ scsi_hostbyte_name(DID_TRANSPORT_DISRUPTED), \
+ scsi_hostbyte_name(DID_TRANSPORT_FAILFAST))
+
+#define scsi_driverbyte_name(result) { result, #result }
+#define show_driverbyte_name(val) \
+ __print_symbolic(val, \
+ scsi_driverbyte_name(DRIVER_OK), \
+ scsi_driverbyte_name(DRIVER_BUSY), \
+ scsi_driverbyte_name(DRIVER_SOFT), \
+ scsi_driverbyte_name(DRIVER_MEDIA), \
+ scsi_driverbyte_name(DRIVER_ERROR), \
+ scsi_driverbyte_name(DRIVER_INVALID), \
+ scsi_driverbyte_name(DRIVER_TIMEOUT), \
+ scsi_driverbyte_name(DRIVER_HARD), \
+ scsi_driverbyte_name(DRIVER_SENSE))
+
+#define scsi_msgbyte_name(result) { result, #result }
+#define show_msgbyte_name(val) \
+ __print_symbolic(val, \
+ scsi_msgbyte_name(COMMAND_COMPLETE), \
+ scsi_msgbyte_name(EXTENDED_MESSAGE), \
+ scsi_msgbyte_name(SAVE_POINTERS), \
+ scsi_msgbyte_name(RESTORE_POINTERS), \
+ scsi_msgbyte_name(DISCONNECT), \
+ scsi_msgbyte_name(INITIATOR_ERROR), \
+ scsi_msgbyte_name(ABORT_TASK_SET), \
+ scsi_msgbyte_name(MESSAGE_REJECT), \
+ scsi_msgbyte_name(NOP), \
+ scsi_msgbyte_name(MSG_PARITY_ERROR), \
+ scsi_msgbyte_name(LINKED_CMD_COMPLETE), \
+ scsi_msgbyte_name(LINKED_FLG_CMD_COMPLETE), \
+ scsi_msgbyte_name(TARGET_RESET), \
+ scsi_msgbyte_name(ABORT_TASK), \
+ scsi_msgbyte_name(CLEAR_TASK_SET), \
+ scsi_msgbyte_name(INITIATE_RECOVERY), \
+ scsi_msgbyte_name(RELEASE_RECOVERY), \
+ scsi_msgbyte_name(CLEAR_ACA), \
+ scsi_msgbyte_name(LOGICAL_UNIT_RESET), \
+ scsi_msgbyte_name(SIMPLE_QUEUE_TAG), \
+ scsi_msgbyte_name(HEAD_OF_QUEUE_TAG), \
+ scsi_msgbyte_name(ORDERED_QUEUE_TAG), \
+ scsi_msgbyte_name(IGNORE_WIDE_RESIDUE), \
+ scsi_msgbyte_name(ACA), \
+ scsi_msgbyte_name(QAS_REQUEST), \
+ scsi_msgbyte_name(BUS_DEVICE_RESET), \
+ scsi_msgbyte_name(ABORT))
+
+#define scsi_statusbyte_name(result) { result, #result }
+#define show_statusbyte_name(val) \
+ __print_symbolic(val, \
+ scsi_statusbyte_name(SAM_STAT_GOOD), \
+ scsi_statusbyte_name(SAM_STAT_CHECK_CONDITION), \
+ scsi_statusbyte_name(SAM_STAT_CONDITION_MET), \
+ scsi_statusbyte_name(SAM_STAT_BUSY), \
+ scsi_statusbyte_name(SAM_STAT_INTERMEDIATE), \
+ scsi_statusbyte_name(SAM_STAT_INTERMEDIATE_CONDITION_MET), \
+ scsi_statusbyte_name(SAM_STAT_RESERVATION_CONFLICT), \
+ scsi_statusbyte_name(SAM_STAT_COMMAND_TERMINATED), \
+ scsi_statusbyte_name(SAM_STAT_TASK_SET_FULL), \
+ scsi_statusbyte_name(SAM_STAT_ACA_ACTIVE), \
+ scsi_statusbyte_name(SAM_STAT_TASK_ABORTED))
+
+const char *scsi_trace_parse_cdb(struct trace_seq*, unsigned char*, int);
+#define __parse_cdb(cdb, len) scsi_trace_parse_cdb(p, cdb, len)
+
+TRACE_EVENT(scsi_dispatch_cmd_start,
+
+ TP_PROTO(struct scsi_cmnd *cmd),
+
+ TP_ARGS(cmd),
+
+ TP_STRUCT__entry(
+ __field( unsigned int, host_no )
+ __field( unsigned int, channel )
+ __field( unsigned int, id )
+ __field( unsigned int, lun )
+ __field( unsigned int, opcode )
+ __field( unsigned int, cmd_len )
+ __dynamic_array(unsigned char, cmnd, cmd->cmd_len)
+ ),
+
+ TP_fast_assign(
+ __entry->host_no = cmd->device->host->host_no;
+ __entry->channel = cmd->device->channel;
+ __entry->id = cmd->device->id;
+ __entry->lun = cmd->device->lun;
+ __entry->opcode = cmd->cmnd[0];
+ __entry->cmd_len = cmd->cmd_len;
+ memcpy(__get_dynamic_array(cmnd), cmd->cmnd, cmd->cmd_len);
+ ),
+
+ TP_printk("host_no=%u channel=%u id=%u lun=%u cmnd=(%s %s raw=%s)",
+ __entry->host_no, __entry->channel, __entry->id,
+ __entry->lun, show_opcode_name(__entry->opcode),
+ __parse_cdb(__get_dynamic_array(cmnd), __entry->cmd_len),
+ __print_hex(__get_dynamic_array(cmnd), __entry->cmd_len))
+);
+
+TRACE_EVENT(scsi_dispatch_cmd_error,
+
+ TP_PROTO(struct scsi_cmnd *cmd, int rtn),
+
+ TP_ARGS(cmd, rtn),
+
+ TP_STRUCT__entry(
+ __field( unsigned int, host_no )
+ __field( unsigned int, channel )
+ __field( unsigned int, id )
+ __field( unsigned int, lun )
+ __field( int, rtn )
+ __field( unsigned int, opcode )
+ __field( unsigned int, cmd_len )
+ __dynamic_array(unsigned char, cmnd, cmd->cmd_len)
+ ),
+
+ TP_fast_assign(
+ __entry->host_no = cmd->device->host->host_no;
+ __entry->channel = cmd->device->channel;
+ __entry->id = cmd->device->id;
+ __entry->lun = cmd->device->lun;
+ __entry->rtn = rtn;
+ __entry->opcode = cmd->cmnd[0];
+ __entry->cmd_len = cmd->cmd_len;
+ memcpy(__get_dynamic_array(cmnd), cmd->cmnd, cmd->cmd_len);
+ ),
+
+ TP_printk("host_no=%u channel=%u id=%u lun=%u cmnd=(%s %s raw=%s)"
+ " rtn=%d",
+ __entry->host_no, __entry->channel, __entry->id,
+ __entry->lun, show_opcode_name(__entry->opcode),
+ __parse_cdb(__get_dynamic_array(cmnd), __entry->cmd_len),
+ __print_hex(__get_dynamic_array(cmnd), __entry->cmd_len),
+ __entry->rtn)
+);
+
+DECLARE_EVENT_CLASS(scsi_cmd_done_timeout_template,
+
+ TP_PROTO(struct scsi_cmnd *cmd),
+
+ TP_ARGS(cmd),
+
+ TP_STRUCT__entry(
+ __field( unsigned int, host_no )
+ __field( unsigned int, channel )
+ __field( unsigned int, id )
+ __field( unsigned int, lun )
+ __field( int, result )
+ __field( unsigned int, opcode )
+ __field( unsigned int, cmd_len )
+ __dynamic_array(unsigned char, cmnd, cmd->cmd_len)
+ ),
+
+ TP_fast_assign(
+ __entry->host_no = cmd->device->host->host_no;
+ __entry->channel = cmd->device->channel;
+ __entry->id = cmd->device->id;
+ __entry->lun = cmd->device->lun;
+ __entry->result = cmd->result;
+ __entry->opcode = cmd->cmnd[0];
+ __entry->cmd_len = cmd->cmd_len;
+ memcpy(__get_dynamic_array(cmnd), cmd->cmnd, cmd->cmd_len);
+ ),
+
+ TP_printk("host_no=%u channel=%u id=%u lun=%u cmnd=(%s %s raw=%s) "
+ "result=(driver=%s host=%s message=%s status=%s)",
+ __entry->host_no, __entry->channel, __entry->id,
+ __entry->lun, show_opcode_name(__entry->opcode),
+ __parse_cdb(__get_dynamic_array(cmnd), __entry->cmd_len),
+ __print_hex(__get_dynamic_array(cmnd), __entry->cmd_len),
+ show_driverbyte_name(((__entry->result) >> 24) & 0xff),
+ show_hostbyte_name(((__entry->result) >> 16) & 0xff),
+ show_msgbyte_name(((__entry->result) >> 8) & 0xff),
+ show_statusbyte_name(__entry->result & 0xff))
+);
+
+DEFINE_EVENT(scsi_cmd_done_timeout_template, scsi_dispatch_cmd_done,
+ TP_PROTO(struct scsi_cmnd *cmd),
+ TP_ARGS(cmd));
+
+DEFINE_EVENT(scsi_cmd_done_timeout_template, scsi_dispatch_cmd_timeout,
+ TP_PROTO(struct scsi_cmnd *cmd),
+ TP_ARGS(cmd));
+
+TRACE_EVENT(scsi_eh_wakeup,
+
+ TP_PROTO(struct Scsi_Host *shost),
+
+ TP_ARGS(shost),
+
+ TP_STRUCT__entry(
+ __field( unsigned int, host_no )
+ ),
+
+ TP_fast_assign(
+ __entry->host_no = shost->host_no;
+ ),
+
+ TP_printk("host_no=%u", __entry->host_no)
+);
+
+#endif /* _TRACE_SCSI_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/kernel/trace/trace_output.c b/kernel/trace/trace_output.c
index 7c4a0ca..9cb5df5 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)
return 1;
}
+EXPORT_SYMBOL(trace_seq_putc);
int trace_seq_putmem(struct trace_seq *s, const void *mem, size_t len)
{
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