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