mirror of
https://github.com/torvalds/linux.git
synced 2024-12-15 15:41:58 +00:00
9f5436f47c
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>
85 lines
2.4 KiB
C
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>
|