linux/drivers/scsi/sd_trace.h
Johannes Thumshirn 9f5436f47c scsi: sd: sd_zbc: Trace zone append emulation
Add tracepoints to the SCSI zone append emulation in order to trace the
zone start to write-pointer aligned LBA translation and the corresponding
completion.

Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Link: https://lore.kernel.org/r/d103bcf5f90139143469f2a0084c74bd9e03ad4a.1669804487.git.johannes.thumshirn@wdc.com
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jason Yan <yanaijie@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2022-12-01 03:13:55 +00:00

85 lines
2.4 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2022 Western Digital Corporation or its affiliates.
*/
#undef TRACE_SYSTEM
#define TRACE_SYSTEM sd
#undef TRACE_INCLUDE_FILE
#define TRACE_INCLUDE_FILE sd_trace
#if !defined(_SD_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
#include <scsi/scsi_cmnd.h>
#include <scsi/scsi_host.h>
#include <linux/tracepoint.h>
TRACE_EVENT(scsi_prepare_zone_append,
TP_PROTO(struct scsi_cmnd *cmnd, sector_t lba,
unsigned int wp_offset),
TP_ARGS(cmnd, lba, wp_offset),
TP_STRUCT__entry(
__field( unsigned int, host_no )
__field( unsigned int, channel )
__field( unsigned int, id )
__field( unsigned int, lun )
__field( sector_t, lba )
__field( unsigned int, wp_offset )
),
TP_fast_assign(
__entry->host_no = cmnd->device->host->host_no;
__entry->channel = cmnd->device->channel;
__entry->id = cmnd->device->id;
__entry->lun = cmnd->device->lun;
__entry->lba = lba;
__entry->wp_offset = wp_offset;
),
TP_printk("host_no=%u, channel=%u id=%u lun=%u lba=%llu wp_offset=%u",
__entry->host_no, __entry->channel, __entry->id,
__entry->lun, __entry->lba, __entry->wp_offset)
);
TRACE_EVENT(scsi_zone_wp_update,
TP_PROTO(struct scsi_cmnd *cmnd, sector_t rq_sector,
unsigned int wp_offset, unsigned int good_bytes),
TP_ARGS(cmnd, rq_sector, wp_offset, good_bytes),
TP_STRUCT__entry(
__field( unsigned int, host_no )
__field( unsigned int, channel )
__field( unsigned int, id )
__field( unsigned int, lun )
__field( sector_t, rq_sector )
__field( unsigned int, wp_offset )
__field( unsigned int, good_bytes )
),
TP_fast_assign(
__entry->host_no = cmnd->device->host->host_no;
__entry->channel = cmnd->device->channel;
__entry->id = cmnd->device->id;
__entry->lun = cmnd->device->lun;
__entry->rq_sector = rq_sector;
__entry->wp_offset = wp_offset;
__entry->good_bytes = good_bytes;
),
TP_printk("host_no=%u, channel=%u id=%u lun=%u rq_sector=%llu" \
" wp_offset=%u good_bytes=%u",
__entry->host_no, __entry->channel, __entry->id,
__entry->lun, __entry->rq_sector, __entry->wp_offset,
__entry->good_bytes)
);
#endif /* _SD_TRACE_H */
/* This part must be outside protection */
#undef TRACE_INCLUDE_PATH
#define TRACE_INCLUDE_PATH ../../drivers/scsi
#include <trace/define_trace.h>