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0137b129f2
pm8001_mpi_build_cmd() prepares and sends all commands to a controller. Having pm80xx_mpi_build_cmd tracepoint can help us with latency issues. this patch depends on patch "scsi: pm80xx: Add tracepoints". Link: https://lore.kernel.org/r/20211115215750.131696-3-changyuanl@google.com Acked-by: Jack Wang <jinpu.wang@ionos.com> Co-developed-by: Igor Pylypiv <ipylypiv@google.com> Signed-off-by: Igor Pylypiv <ipylypiv@google.com> Signed-off-by: Changyuan Lyu <changyuanl@google.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
114 lines
2.9 KiB
C
114 lines
2.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Trace events in pm8001 driver.
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*
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* Copyright 2020 Google LLC
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* Author: Akshat Jain <akshatzen@google.com>
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*/
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#undef TRACE_SYSTEM
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#define TRACE_SYSTEM pm80xx
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#if !defined(_TRACE_PM80XX_H) || defined(TRACE_HEADER_MULTI_READ)
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#define _TRACE_PM80XX_H
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#include <linux/tracepoint.h>
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#include "pm8001_sas.h"
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TRACE_EVENT(pm80xx_request_issue,
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TP_PROTO(u32 id, u32 phy_id, u32 htag, u32 ctlr_opcode,
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u16 ata_opcode, int running_req),
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TP_ARGS(id, phy_id, htag, ctlr_opcode, ata_opcode, running_req),
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TP_STRUCT__entry(
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__field(u32, id)
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__field(u32, phy_id)
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__field(u32, htag)
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__field(u32, ctlr_opcode)
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__field(u16, ata_opcode)
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__field(int, running_req)
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),
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TP_fast_assign(
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__entry->id = id;
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__entry->phy_id = phy_id;
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__entry->htag = htag;
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__entry->ctlr_opcode = ctlr_opcode;
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__entry->ata_opcode = ata_opcode;
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__entry->running_req = running_req;
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),
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TP_printk("ctlr_id = %u phy_id = %u htag = %#x, ctlr_opcode = %#x ata_opcode = %#x running_req = %d",
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__entry->id, __entry->phy_id, __entry->htag,
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__entry->ctlr_opcode, __entry->ata_opcode,
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__entry->running_req)
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);
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TRACE_EVENT(pm80xx_request_complete,
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TP_PROTO(u32 id, u32 phy_id, u32 htag, u32 ctlr_opcode,
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u16 ata_opcode, int running_req),
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TP_ARGS(id, phy_id, htag, ctlr_opcode, ata_opcode, running_req),
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TP_STRUCT__entry(
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__field(u32, id)
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__field(u32, phy_id)
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__field(u32, htag)
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__field(u32, ctlr_opcode)
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__field(u16, ata_opcode)
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__field(int, running_req)
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),
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TP_fast_assign(
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__entry->id = id;
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__entry->phy_id = phy_id;
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__entry->htag = htag;
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__entry->ctlr_opcode = ctlr_opcode;
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__entry->ata_opcode = ata_opcode;
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__entry->running_req = running_req;
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),
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TP_printk("ctlr_id = %u phy_id = %u htag = %#x, ctlr_opcode = %#x ata_opcode = %#x running_req = %d",
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__entry->id, __entry->phy_id, __entry->htag,
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__entry->ctlr_opcode, __entry->ata_opcode,
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__entry->running_req)
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);
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TRACE_EVENT(pm80xx_mpi_build_cmd,
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TP_PROTO(u32 id, u32 opc, u32 htag, u32 qi, u32 pi, u32 ci),
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TP_ARGS(id, opc, htag, qi, pi, ci),
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TP_STRUCT__entry(
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__field(u32, id)
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__field(u32, opc)
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__field(u32, htag)
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__field(u32, qi)
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__field(u32, pi)
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__field(u32, ci)
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),
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TP_fast_assign(
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__entry->id = id;
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__entry->opc = opc;
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__entry->htag = htag;
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__entry->qi = qi;
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__entry->pi = pi;
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__entry->ci = ci;
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),
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TP_printk("ctlr_id = %u opc = %#x htag = %#x QI = %u PI = %u CI = %u",
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__entry->id, __entry->opc, __entry->htag, __entry->qi,
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__entry->pi, __entry->ci)
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);
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#endif /* _TRACE_PM80XX_H_ */
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#undef TRACE_INCLUDE_PATH
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#undef TRACE_INCLUDE_FILE
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#define TRACE_INCLUDE_PATH .
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#define TRACE_INCLUDE_FILE pm80xx_tracepoints
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#include <trace/define_trace.h>
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