All of lore.kernel.org
 help / color / mirror / Atom feed
* [PATCH v2 0/2] This patchset adds tracepoints to pm80xx
@ 2021-11-15 21:57 Changyuan Lyu
  2021-11-15 21:57 ` [PATCH v2 1/2] scsi: pm80xx: Add tracepoints Changyuan Lyu
                   ` (3 more replies)
  0 siblings, 4 replies; 7+ messages in thread
From: Changyuan Lyu @ 2021-11-15 21:57 UTC (permalink / raw)
  To: Jack Wang, James E . J . Bottomley, Martin K . Petersen
  Cc: linux-scsi, Vishakha Channapattan, Akshat Jain, Igor Pylypiv,
	Changyuan Lyu, kernel test robot

v2: added le32_to_cpu() when calling trace_pm80xx_mpi_build_cmd()
to eliminate the incorrect type error in patch `scsi: pm80xx: Add 
pm80xx_mpi_build_cmd tracepoint`.
Reported-by: kernel test robot <lkp@intel.com>

Changyuan Lyu (2):
  scsi: pm80xx: Add tracepoints
  scsi: pm80xx: Add pm80xx_mpi_build_cmd tracepoint

 drivers/scsi/pm8001/Makefile             |   7 +-
 drivers/scsi/pm8001/pm8001_hwi.c         |   5 +
 drivers/scsi/pm8001/pm8001_sas.c         |  16 ++++
 drivers/scsi/pm8001/pm80xx_hwi.c         |   7 ++
 drivers/scsi/pm8001/pm80xx_tracepoints.c |  10 ++
 drivers/scsi/pm8001/pm80xx_tracepoints.h | 113 +++++++++++++++++++++++
 6 files changed, 156 insertions(+), 2 deletions(-)
 create mode 100644 drivers/scsi/pm8001/pm80xx_tracepoints.c
 create mode 100644 drivers/scsi/pm8001/pm80xx_tracepoints.h

-- 
2.34.0.rc1.387.gb447b232ab-goog


^ permalink raw reply	[flat|nested] 7+ messages in thread

* [PATCH v2 1/2] scsi: pm80xx: Add tracepoints
  2021-11-15 21:57 [PATCH v2 0/2] This patchset adds tracepoints to pm80xx Changyuan Lyu
@ 2021-11-15 21:57 ` Changyuan Lyu
  2021-11-16  8:14   ` Jinpu Wang
  2021-11-15 21:57 ` [PATCH v2 2/2] scsi: pm80xx: Add pm80xx_mpi_build_cmd tracepoint Changyuan Lyu
                   ` (2 subsequent siblings)
  3 siblings, 1 reply; 7+ messages in thread
From: Changyuan Lyu @ 2021-11-15 21:57 UTC (permalink / raw)
  To: Jack Wang, James E . J . Bottomley, Martin K . Petersen
  Cc: linux-scsi, Vishakha Channapattan, Akshat Jain, Igor Pylypiv,
	Changyuan Lyu

Tracepoints for tracking controller and ATA commands issued and
completed.

Signed-off-by: Akshat Jain <akshatzen@google.com>
Signed-off-by: Changyuan Lyu <changyuanl@google.com>
---
 drivers/scsi/pm8001/Makefile             |  7 +-
 drivers/scsi/pm8001/pm8001_sas.c         | 16 +++++
 drivers/scsi/pm8001/pm80xx_hwi.c         |  7 ++
 drivers/scsi/pm8001/pm80xx_tracepoints.c | 10 +++
 drivers/scsi/pm8001/pm80xx_tracepoints.h | 85 ++++++++++++++++++++++++
 5 files changed, 123 insertions(+), 2 deletions(-)
 create mode 100644 drivers/scsi/pm8001/pm80xx_tracepoints.c
 create mode 100644 drivers/scsi/pm8001/pm80xx_tracepoints.h

diff --git a/drivers/scsi/pm8001/Makefile b/drivers/scsi/pm8001/Makefile
index 02b7338999cc..bbb51b7312f1 100644
--- a/drivers/scsi/pm8001/Makefile
+++ b/drivers/scsi/pm8001/Makefile
@@ -6,9 +6,12 @@
 
 
 obj-$(CONFIG_SCSI_PM8001) += pm80xx.o
+
+CFLAGS_pm80xx_tracepoints.o := -I$(src)
+
 pm80xx-y += pm8001_init.o \
 		pm8001_sas.o  \
 		pm8001_ctl.o  \
 		pm8001_hwi.o  \
-		pm80xx_hwi.o
-
+		pm80xx_hwi.o  \
+		pm80xx_tracepoints.o
diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c
index 83e73009db5c..c9a16eef38c1 100644
--- a/drivers/scsi/pm8001/pm8001_sas.c
+++ b/drivers/scsi/pm8001/pm8001_sas.c
@@ -40,6 +40,7 @@
 
 #include <linux/slab.h>
 #include "pm8001_sas.h"
+#include "pm80xx_tracepoints.h"
 
 /**
  * pm8001_find_tag - from sas task to find out  tag that belongs to this task
@@ -527,6 +528,9 @@ int pm8001_queue_command(struct sas_task *task, gfp_t gfp_flags)
 void pm8001_ccb_task_free(struct pm8001_hba_info *pm8001_ha,
 	struct sas_task *task, struct pm8001_ccb_info *ccb, u32 ccb_idx)
 {
+	struct ata_queued_cmd *qc;
+	struct pm8001_device *pm8001_dev;
+
 	if (!ccb->task)
 		return;
 	if (!sas_protocol_ata(task->task_proto))
@@ -549,6 +553,18 @@ void pm8001_ccb_task_free(struct pm8001_hba_info *pm8001_ha,
 		/* do nothing */
 		break;
 	}
+
+	if (sas_protocol_ata(task->task_proto)) {
+		// For SCSI/ATA commands uldd_task points to ata_queued_cmd
+		qc = task->uldd_task;
+		pm8001_dev = ccb->device;
+		trace_pm80xx_request_complete(pm8001_ha->id,
+			pm8001_dev ? pm8001_dev->attached_phy : PM8001_MAX_PHYS,
+			ccb_idx, 0 /* ctlr_opcode not known */,
+			qc ? qc->tf.command : 0, // ata opcode
+			pm8001_dev ? atomic_read(&pm8001_dev->running_req) : -1);
+	}
+
 	task->lldd_task = NULL;
 	ccb->task = NULL;
 	ccb->ccb_tag = 0xFFFFFFFF;
diff --git a/drivers/scsi/pm8001/pm80xx_hwi.c b/drivers/scsi/pm8001/pm80xx_hwi.c
index b9f6d83ff380..5e6ab7a3b996 100644
--- a/drivers/scsi/pm8001/pm80xx_hwi.c
+++ b/drivers/scsi/pm8001/pm80xx_hwi.c
@@ -42,6 +42,7 @@
  #include "pm80xx_hwi.h"
  #include "pm8001_chips.h"
  #include "pm8001_ctl.h"
+#include "pm80xx_tracepoints.h"
 
 #define SMP_DIRECT 1
 #define SMP_INDIRECT 2
@@ -4543,6 +4544,7 @@ static int pm80xx_chip_sata_req(struct pm8001_hba_info *pm8001_ha,
 	struct sas_task *task = ccb->task;
 	struct domain_device *dev = task->dev;
 	struct pm8001_device *pm8001_ha_dev = dev->lldd_dev;
+	struct ata_queued_cmd *qc = task->uldd_task;
 	u32 tag = ccb->ccb_tag;
 	int ret;
 	u32 q_index, cpu_id;
@@ -4762,6 +4764,11 @@ static int pm80xx_chip_sata_req(struct pm8001_hba_info *pm8001_ha,
 			}
 		}
 	}
+	trace_pm80xx_request_issue(pm8001_ha->id,
+				ccb->device ? ccb->device->attached_phy : PM8001_MAX_PHYS,
+				ccb->ccb_tag, opc,
+				qc ? qc->tf.command : 0, // ata opcode
+				ccb->device ? atomic_read(&ccb->device->running_req) : 0);
 	ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc,
 			&sata_cmd, sizeof(sata_cmd), q_index);
 	return ret;
diff --git a/drivers/scsi/pm8001/pm80xx_tracepoints.c b/drivers/scsi/pm8001/pm80xx_tracepoints.c
new file mode 100644
index 000000000000..344aface9cdb
--- /dev/null
+++ b/drivers/scsi/pm8001/pm80xx_tracepoints.c
@@ -0,0 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Trace events in pm8001 driver.
+ *
+ * Copyright 2020 Google LLC
+ * Author: Akshat Jain <akshatzen@google.com>
+ */
+
+#define CREATE_TRACE_POINTS
+#include "pm80xx_tracepoints.h"
diff --git a/drivers/scsi/pm8001/pm80xx_tracepoints.h b/drivers/scsi/pm8001/pm80xx_tracepoints.h
new file mode 100644
index 000000000000..84fcfecfd624
--- /dev/null
+++ b/drivers/scsi/pm8001/pm80xx_tracepoints.h
@@ -0,0 +1,85 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Trace events in pm8001 driver.
+ *
+ * Copyright 2020 Google LLC
+ * Author: Akshat Jain <akshatzen@google.com>
+ */
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM pm80xx
+
+#if !defined(_TRACE_PM80XX_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_PM80XX_H
+
+#include <linux/tracepoint.h>
+#include "pm8001_sas.h"
+
+TRACE_EVENT(pm80xx_request_issue,
+	    TP_PROTO(u32 id, u32 phy_id, u32 htag, u32 ctlr_opcode,
+		     u16 ata_opcode, int running_req),
+
+	    TP_ARGS(id, phy_id, htag, ctlr_opcode, ata_opcode, running_req),
+
+	    TP_STRUCT__entry(
+		    __field(u32, id)
+		    __field(u32, phy_id)
+		    __field(u32, htag)
+		    __field(u32, ctlr_opcode)
+		    __field(u16,  ata_opcode)
+		    __field(int, running_req)
+		    ),
+
+	    TP_fast_assign(
+		    __entry->id = id;
+		    __entry->phy_id = phy_id;
+		    __entry->htag = htag;
+		    __entry->ctlr_opcode = ctlr_opcode;
+		    __entry->ata_opcode = ata_opcode;
+		    __entry->running_req = running_req;
+		    ),
+
+	    TP_printk("ctlr_id = %u phy_id = %u htag = %#x, ctlr_opcode = %#x ata_opcode = %#x running_req = %d",
+		    __entry->id, __entry->phy_id, __entry->htag,
+		    __entry->ctlr_opcode, __entry->ata_opcode,
+		    __entry->running_req)
+);
+
+TRACE_EVENT(pm80xx_request_complete,
+	    TP_PROTO(u32 id, u32 phy_id, u32 htag, u32 ctlr_opcode,
+		     u16 ata_opcode, int running_req),
+
+	    TP_ARGS(id, phy_id, htag, ctlr_opcode, ata_opcode, running_req),
+
+	    TP_STRUCT__entry(
+		    __field(u32, id)
+		    __field(u32, phy_id)
+		    __field(u32, htag)
+		    __field(u32, ctlr_opcode)
+		    __field(u16,  ata_opcode)
+		    __field(int, running_req)
+		    ),
+
+	    TP_fast_assign(
+		    __entry->id = id;
+		    __entry->phy_id = phy_id;
+		    __entry->htag = htag;
+		    __entry->ctlr_opcode = ctlr_opcode;
+		    __entry->ata_opcode = ata_opcode;
+		    __entry->running_req = running_req;
+		    ),
+
+	    TP_printk("ctlr_id = %u phy_id = %u htag = %#x, ctlr_opcode = %#x ata_opcode = %#x running_req = %d",
+		    __entry->id, __entry->phy_id, __entry->htag,
+		    __entry->ctlr_opcode, __entry->ata_opcode,
+		    __entry->running_req)
+);
+
+#endif /* _TRACE_PM80XX_H_ */
+
+#undef TRACE_INCLUDE_PATH
+#undef TRACE_INCLUDE_FILE
+#define TRACE_INCLUDE_PATH .
+#define TRACE_INCLUDE_FILE pm80xx_tracepoints
+
+#include <trace/define_trace.h>
-- 
2.34.0.rc1.387.gb447b232ab-goog


^ permalink raw reply related	[flat|nested] 7+ messages in thread

* [PATCH v2 2/2] scsi: pm80xx: Add pm80xx_mpi_build_cmd tracepoint
  2021-11-15 21:57 [PATCH v2 0/2] This patchset adds tracepoints to pm80xx Changyuan Lyu
  2021-11-15 21:57 ` [PATCH v2 1/2] scsi: pm80xx: Add tracepoints Changyuan Lyu
@ 2021-11-15 21:57 ` Changyuan Lyu
  2021-11-16  8:15   ` Jinpu Wang
  2021-11-19  2:55 ` [PATCH v2 0/2] This patchset adds tracepoints to pm80xx Martin K. Petersen
  2021-11-23  3:49 ` Martin K. Petersen
  3 siblings, 1 reply; 7+ messages in thread
From: Changyuan Lyu @ 2021-11-15 21:57 UTC (permalink / raw)
  To: Jack Wang, James E . J . Bottomley, Martin K . Petersen
  Cc: linux-scsi, Vishakha Channapattan, Akshat Jain, Igor Pylypiv,
	Changyuan Lyu

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".

Signed-off-by: Igor Pylypiv <ipylypiv@google.com>
Signed-off-by: Changyuan Lyu <changyuanl@google.com>
---
 drivers/scsi/pm8001/pm8001_hwi.c         |  5 +++++
 drivers/scsi/pm8001/pm80xx_tracepoints.h | 28 ++++++++++++++++++++++++
 2 files changed, 33 insertions(+)

diff --git a/drivers/scsi/pm8001/pm8001_hwi.c b/drivers/scsi/pm8001/pm8001_hwi.c
index 124cb69740c6..a63362bdd884 100644
--- a/drivers/scsi/pm8001/pm8001_hwi.c
+++ b/drivers/scsi/pm8001/pm8001_hwi.c
@@ -42,6 +42,7 @@
  #include "pm8001_hwi.h"
  #include "pm8001_chips.h"
  #include "pm8001_ctl.h"
+ #include "pm80xx_tracepoints.h"
 
 /**
  * read_main_config_table - read the configure table and save it.
@@ -1324,6 +1325,10 @@ int pm8001_mpi_build_cmd(struct pm8001_hba_info *pm8001_ha,
 	unsigned long flags;
 	int q_index = circularQ - pm8001_ha->inbnd_q_tbl;
 	int rv;
+	u32 htag = le32_to_cpu(*(__le32 *)payload);
+
+	trace_pm80xx_mpi_build_cmd(pm8001_ha->id, opCode, htag, q_index,
+		circularQ->producer_idx, le32_to_cpu(circularQ->consumer_index));
 
 	WARN_ON(q_index >= PM8001_MAX_INB_NUM);
 	spin_lock_irqsave(&circularQ->iq_lock, flags);
diff --git a/drivers/scsi/pm8001/pm80xx_tracepoints.h b/drivers/scsi/pm8001/pm80xx_tracepoints.h
index 84fcfecfd624..5e669a8a9344 100644
--- a/drivers/scsi/pm8001/pm80xx_tracepoints.h
+++ b/drivers/scsi/pm8001/pm80xx_tracepoints.h
@@ -75,6 +75,34 @@ TRACE_EVENT(pm80xx_request_complete,
 		    __entry->running_req)
 );
 
+TRACE_EVENT(pm80xx_mpi_build_cmd,
+	    TP_PROTO(u32 id, u32 opc, u32 htag, u32 qi, u32 pi, u32 ci),
+
+	    TP_ARGS(id, opc, htag, qi, pi, ci),
+
+	    TP_STRUCT__entry(
+		    __field(u32, id)
+		    __field(u32, opc)
+		    __field(u32, htag)
+		    __field(u32, qi)
+		    __field(u32, pi)
+		    __field(u32, ci)
+		    ),
+
+	    TP_fast_assign(
+		    __entry->id = id;
+		    __entry->opc = opc;
+		    __entry->htag = htag;
+		    __entry->qi = qi;
+		    __entry->pi = pi;
+		    __entry->ci = ci;
+		    ),
+
+	    TP_printk("ctlr_id = %u opc = %#x htag = %#x QI = %u PI = %u CI = %u",
+		    __entry->id, __entry->opc, __entry->htag, __entry->qi,
+		    __entry->pi, __entry->ci)
+);
+
 #endif /* _TRACE_PM80XX_H_ */
 
 #undef TRACE_INCLUDE_PATH
-- 
2.34.0.rc1.387.gb447b232ab-goog


^ permalink raw reply related	[flat|nested] 7+ messages in thread

* Re: [PATCH v2 1/2] scsi: pm80xx: Add tracepoints
  2021-11-15 21:57 ` [PATCH v2 1/2] scsi: pm80xx: Add tracepoints Changyuan Lyu
@ 2021-11-16  8:14   ` Jinpu Wang
  0 siblings, 0 replies; 7+ messages in thread
From: Jinpu Wang @ 2021-11-16  8:14 UTC (permalink / raw)
  To: Changyuan Lyu
  Cc: Jack Wang, James E . J . Bottomley, Martin K . Petersen,
	linux-scsi, Vishakha Channapattan, Akshat Jain, Igor Pylypiv

On Mon, Nov 15, 2021 at 10:57 PM Changyuan Lyu <changyuanl@google.com> wrote:
>
> Tracepoints for tracking controller and ATA commands issued and
> completed.
>
> Signed-off-by: Akshat Jain <akshatzen@google.com>
> Signed-off-by: Changyuan Lyu <changyuanl@google.com>
looks ok, thx.
Acked-by: Jack Wang <jinpu.wang@ionos.com>
> ---
>  drivers/scsi/pm8001/Makefile             |  7 +-
>  drivers/scsi/pm8001/pm8001_sas.c         | 16 +++++
>  drivers/scsi/pm8001/pm80xx_hwi.c         |  7 ++
>  drivers/scsi/pm8001/pm80xx_tracepoints.c | 10 +++
>  drivers/scsi/pm8001/pm80xx_tracepoints.h | 85 ++++++++++++++++++++++++
>  5 files changed, 123 insertions(+), 2 deletions(-)
>  create mode 100644 drivers/scsi/pm8001/pm80xx_tracepoints.c
>  create mode 100644 drivers/scsi/pm8001/pm80xx_tracepoints.h
>
> diff --git a/drivers/scsi/pm8001/Makefile b/drivers/scsi/pm8001/Makefile
> index 02b7338999cc..bbb51b7312f1 100644
> --- a/drivers/scsi/pm8001/Makefile
> +++ b/drivers/scsi/pm8001/Makefile
> @@ -6,9 +6,12 @@
>
>
>  obj-$(CONFIG_SCSI_PM8001) += pm80xx.o
> +
> +CFLAGS_pm80xx_tracepoints.o := -I$(src)
> +
>  pm80xx-y += pm8001_init.o \
>                 pm8001_sas.o  \
>                 pm8001_ctl.o  \
>                 pm8001_hwi.o  \
> -               pm80xx_hwi.o
> -
> +               pm80xx_hwi.o  \
> +               pm80xx_tracepoints.o
> diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c
> index 83e73009db5c..c9a16eef38c1 100644
> --- a/drivers/scsi/pm8001/pm8001_sas.c
> +++ b/drivers/scsi/pm8001/pm8001_sas.c
> @@ -40,6 +40,7 @@
>
>  #include <linux/slab.h>
>  #include "pm8001_sas.h"
> +#include "pm80xx_tracepoints.h"
>
>  /**
>   * pm8001_find_tag - from sas task to find out  tag that belongs to this task
> @@ -527,6 +528,9 @@ int pm8001_queue_command(struct sas_task *task, gfp_t gfp_flags)
>  void pm8001_ccb_task_free(struct pm8001_hba_info *pm8001_ha,
>         struct sas_task *task, struct pm8001_ccb_info *ccb, u32 ccb_idx)
>  {
> +       struct ata_queued_cmd *qc;
> +       struct pm8001_device *pm8001_dev;
> +
>         if (!ccb->task)
>                 return;
>         if (!sas_protocol_ata(task->task_proto))
> @@ -549,6 +553,18 @@ void pm8001_ccb_task_free(struct pm8001_hba_info *pm8001_ha,
>                 /* do nothing */
>                 break;
>         }
> +
> +       if (sas_protocol_ata(task->task_proto)) {
> +               // For SCSI/ATA commands uldd_task points to ata_queued_cmd
> +               qc = task->uldd_task;
> +               pm8001_dev = ccb->device;
> +               trace_pm80xx_request_complete(pm8001_ha->id,
> +                       pm8001_dev ? pm8001_dev->attached_phy : PM8001_MAX_PHYS,
> +                       ccb_idx, 0 /* ctlr_opcode not known */,
> +                       qc ? qc->tf.command : 0, // ata opcode
> +                       pm8001_dev ? atomic_read(&pm8001_dev->running_req) : -1);
> +       }
> +
>         task->lldd_task = NULL;
>         ccb->task = NULL;
>         ccb->ccb_tag = 0xFFFFFFFF;
> diff --git a/drivers/scsi/pm8001/pm80xx_hwi.c b/drivers/scsi/pm8001/pm80xx_hwi.c
> index b9f6d83ff380..5e6ab7a3b996 100644
> --- a/drivers/scsi/pm8001/pm80xx_hwi.c
> +++ b/drivers/scsi/pm8001/pm80xx_hwi.c
> @@ -42,6 +42,7 @@
>   #include "pm80xx_hwi.h"
>   #include "pm8001_chips.h"
>   #include "pm8001_ctl.h"
> +#include "pm80xx_tracepoints.h"
>
>  #define SMP_DIRECT 1
>  #define SMP_INDIRECT 2
> @@ -4543,6 +4544,7 @@ static int pm80xx_chip_sata_req(struct pm8001_hba_info *pm8001_ha,
>         struct sas_task *task = ccb->task;
>         struct domain_device *dev = task->dev;
>         struct pm8001_device *pm8001_ha_dev = dev->lldd_dev;
> +       struct ata_queued_cmd *qc = task->uldd_task;
>         u32 tag = ccb->ccb_tag;
>         int ret;
>         u32 q_index, cpu_id;
> @@ -4762,6 +4764,11 @@ static int pm80xx_chip_sata_req(struct pm8001_hba_info *pm8001_ha,
>                         }
>                 }
>         }
> +       trace_pm80xx_request_issue(pm8001_ha->id,
> +                               ccb->device ? ccb->device->attached_phy : PM8001_MAX_PHYS,
> +                               ccb->ccb_tag, opc,
> +                               qc ? qc->tf.command : 0, // ata opcode
> +                               ccb->device ? atomic_read(&ccb->device->running_req) : 0);
>         ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc,
>                         &sata_cmd, sizeof(sata_cmd), q_index);
>         return ret;
> diff --git a/drivers/scsi/pm8001/pm80xx_tracepoints.c b/drivers/scsi/pm8001/pm80xx_tracepoints.c
> new file mode 100644
> index 000000000000..344aface9cdb
> --- /dev/null
> +++ b/drivers/scsi/pm8001/pm80xx_tracepoints.c
> @@ -0,0 +1,10 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Trace events in pm8001 driver.
> + *
> + * Copyright 2020 Google LLC
> + * Author: Akshat Jain <akshatzen@google.com>
> + */
> +
> +#define CREATE_TRACE_POINTS
> +#include "pm80xx_tracepoints.h"
> diff --git a/drivers/scsi/pm8001/pm80xx_tracepoints.h b/drivers/scsi/pm8001/pm80xx_tracepoints.h
> new file mode 100644
> index 000000000000..84fcfecfd624
> --- /dev/null
> +++ b/drivers/scsi/pm8001/pm80xx_tracepoints.h
> @@ -0,0 +1,85 @@
> +/* SPDX-License-Identifier: GPL-2.0 */
> +/*
> + * Trace events in pm8001 driver.
> + *
> + * Copyright 2020 Google LLC
> + * Author: Akshat Jain <akshatzen@google.com>
> + */
> +
> +#undef TRACE_SYSTEM
> +#define TRACE_SYSTEM pm80xx
> +
> +#if !defined(_TRACE_PM80XX_H) || defined(TRACE_HEADER_MULTI_READ)
> +#define _TRACE_PM80XX_H
> +
> +#include <linux/tracepoint.h>
> +#include "pm8001_sas.h"
> +
> +TRACE_EVENT(pm80xx_request_issue,
> +           TP_PROTO(u32 id, u32 phy_id, u32 htag, u32 ctlr_opcode,
> +                    u16 ata_opcode, int running_req),
> +
> +           TP_ARGS(id, phy_id, htag, ctlr_opcode, ata_opcode, running_req),
> +
> +           TP_STRUCT__entry(
> +                   __field(u32, id)
> +                   __field(u32, phy_id)
> +                   __field(u32, htag)
> +                   __field(u32, ctlr_opcode)
> +                   __field(u16,  ata_opcode)
> +                   __field(int, running_req)
> +                   ),
> +
> +           TP_fast_assign(
> +                   __entry->id = id;
> +                   __entry->phy_id = phy_id;
> +                   __entry->htag = htag;
> +                   __entry->ctlr_opcode = ctlr_opcode;
> +                   __entry->ata_opcode = ata_opcode;
> +                   __entry->running_req = running_req;
> +                   ),
> +
> +           TP_printk("ctlr_id = %u phy_id = %u htag = %#x, ctlr_opcode = %#x ata_opcode = %#x running_req = %d",
> +                   __entry->id, __entry->phy_id, __entry->htag,
> +                   __entry->ctlr_opcode, __entry->ata_opcode,
> +                   __entry->running_req)
> +);
> +
> +TRACE_EVENT(pm80xx_request_complete,
> +           TP_PROTO(u32 id, u32 phy_id, u32 htag, u32 ctlr_opcode,
> +                    u16 ata_opcode, int running_req),
> +
> +           TP_ARGS(id, phy_id, htag, ctlr_opcode, ata_opcode, running_req),
> +
> +           TP_STRUCT__entry(
> +                   __field(u32, id)
> +                   __field(u32, phy_id)
> +                   __field(u32, htag)
> +                   __field(u32, ctlr_opcode)
> +                   __field(u16,  ata_opcode)
> +                   __field(int, running_req)
> +                   ),
> +
> +           TP_fast_assign(
> +                   __entry->id = id;
> +                   __entry->phy_id = phy_id;
> +                   __entry->htag = htag;
> +                   __entry->ctlr_opcode = ctlr_opcode;
> +                   __entry->ata_opcode = ata_opcode;
> +                   __entry->running_req = running_req;
> +                   ),
> +
> +           TP_printk("ctlr_id = %u phy_id = %u htag = %#x, ctlr_opcode = %#x ata_opcode = %#x running_req = %d",
> +                   __entry->id, __entry->phy_id, __entry->htag,
> +                   __entry->ctlr_opcode, __entry->ata_opcode,
> +                   __entry->running_req)
> +);
> +
> +#endif /* _TRACE_PM80XX_H_ */
> +
> +#undef TRACE_INCLUDE_PATH
> +#undef TRACE_INCLUDE_FILE
> +#define TRACE_INCLUDE_PATH .
> +#define TRACE_INCLUDE_FILE pm80xx_tracepoints
> +
> +#include <trace/define_trace.h>
> --
> 2.34.0.rc1.387.gb447b232ab-goog
>

^ permalink raw reply	[flat|nested] 7+ messages in thread

* Re: [PATCH v2 2/2] scsi: pm80xx: Add pm80xx_mpi_build_cmd tracepoint
  2021-11-15 21:57 ` [PATCH v2 2/2] scsi: pm80xx: Add pm80xx_mpi_build_cmd tracepoint Changyuan Lyu
@ 2021-11-16  8:15   ` Jinpu Wang
  0 siblings, 0 replies; 7+ messages in thread
From: Jinpu Wang @ 2021-11-16  8:15 UTC (permalink / raw)
  To: Changyuan Lyu
  Cc: Jack Wang, James E . J . Bottomley, Martin K . Petersen,
	linux-scsi, Vishakha Channapattan, Akshat Jain, Igor Pylypiv

On Mon, Nov 15, 2021 at 10:57 PM Changyuan Lyu <changyuanl@google.com> wrote:
>
> 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".
>
> Signed-off-by: Igor Pylypiv <ipylypiv@google.com>
> Signed-off-by: Changyuan Lyu <changyuanl@google.com>
looks ok, thx.
Acked-by: Jack Wang <jinpu.wang@ionos.com>
> ---
>  drivers/scsi/pm8001/pm8001_hwi.c         |  5 +++++
>  drivers/scsi/pm8001/pm80xx_tracepoints.h | 28 ++++++++++++++++++++++++
>  2 files changed, 33 insertions(+)
>
> diff --git a/drivers/scsi/pm8001/pm8001_hwi.c b/drivers/scsi/pm8001/pm8001_hwi.c
> index 124cb69740c6..a63362bdd884 100644
> --- a/drivers/scsi/pm8001/pm8001_hwi.c
> +++ b/drivers/scsi/pm8001/pm8001_hwi.c
> @@ -42,6 +42,7 @@
>   #include "pm8001_hwi.h"
>   #include "pm8001_chips.h"
>   #include "pm8001_ctl.h"
> + #include "pm80xx_tracepoints.h"
>
>  /**
>   * read_main_config_table - read the configure table and save it.
> @@ -1324,6 +1325,10 @@ int pm8001_mpi_build_cmd(struct pm8001_hba_info *pm8001_ha,
>         unsigned long flags;
>         int q_index = circularQ - pm8001_ha->inbnd_q_tbl;
>         int rv;
> +       u32 htag = le32_to_cpu(*(__le32 *)payload);
> +
> +       trace_pm80xx_mpi_build_cmd(pm8001_ha->id, opCode, htag, q_index,
> +               circularQ->producer_idx, le32_to_cpu(circularQ->consumer_index));
>
>         WARN_ON(q_index >= PM8001_MAX_INB_NUM);
>         spin_lock_irqsave(&circularQ->iq_lock, flags);
> diff --git a/drivers/scsi/pm8001/pm80xx_tracepoints.h b/drivers/scsi/pm8001/pm80xx_tracepoints.h
> index 84fcfecfd624..5e669a8a9344 100644
> --- a/drivers/scsi/pm8001/pm80xx_tracepoints.h
> +++ b/drivers/scsi/pm8001/pm80xx_tracepoints.h
> @@ -75,6 +75,34 @@ TRACE_EVENT(pm80xx_request_complete,
>                     __entry->running_req)
>  );
>
> +TRACE_EVENT(pm80xx_mpi_build_cmd,
> +           TP_PROTO(u32 id, u32 opc, u32 htag, u32 qi, u32 pi, u32 ci),
> +
> +           TP_ARGS(id, opc, htag, qi, pi, ci),
> +
> +           TP_STRUCT__entry(
> +                   __field(u32, id)
> +                   __field(u32, opc)
> +                   __field(u32, htag)
> +                   __field(u32, qi)
> +                   __field(u32, pi)
> +                   __field(u32, ci)
> +                   ),
> +
> +           TP_fast_assign(
> +                   __entry->id = id;
> +                   __entry->opc = opc;
> +                   __entry->htag = htag;
> +                   __entry->qi = qi;
> +                   __entry->pi = pi;
> +                   __entry->ci = ci;
> +                   ),
> +
> +           TP_printk("ctlr_id = %u opc = %#x htag = %#x QI = %u PI = %u CI = %u",
> +                   __entry->id, __entry->opc, __entry->htag, __entry->qi,
> +                   __entry->pi, __entry->ci)
> +);
> +
>  #endif /* _TRACE_PM80XX_H_ */
>
>  #undef TRACE_INCLUDE_PATH
> --
> 2.34.0.rc1.387.gb447b232ab-goog
>

^ permalink raw reply	[flat|nested] 7+ messages in thread

* Re: [PATCH v2 0/2] This patchset adds tracepoints to pm80xx
  2021-11-15 21:57 [PATCH v2 0/2] This patchset adds tracepoints to pm80xx Changyuan Lyu
  2021-11-15 21:57 ` [PATCH v2 1/2] scsi: pm80xx: Add tracepoints Changyuan Lyu
  2021-11-15 21:57 ` [PATCH v2 2/2] scsi: pm80xx: Add pm80xx_mpi_build_cmd tracepoint Changyuan Lyu
@ 2021-11-19  2:55 ` Martin K. Petersen
  2021-11-23  3:49 ` Martin K. Petersen
  3 siblings, 0 replies; 7+ messages in thread
From: Martin K. Petersen @ 2021-11-19  2:55 UTC (permalink / raw)
  To: Changyuan Lyu
  Cc: Jack Wang, James E . J . Bottomley, Martin K . Petersen,
	linux-scsi, Vishakha Channapattan, Akshat Jain, Igor Pylypiv,
	kernel test robot


Changyuan,

> Changyuan Lyu (2):
>   scsi: pm80xx: Add tracepoints
>   scsi: pm80xx: Add pm80xx_mpi_build_cmd tracepoint

Applied to 5.17/scsi-staging, thanks!

-- 
Martin K. Petersen	Oracle Linux Engineering

^ permalink raw reply	[flat|nested] 7+ messages in thread

* Re: [PATCH v2 0/2] This patchset adds tracepoints to pm80xx
  2021-11-15 21:57 [PATCH v2 0/2] This patchset adds tracepoints to pm80xx Changyuan Lyu
                   ` (2 preceding siblings ...)
  2021-11-19  2:55 ` [PATCH v2 0/2] This patchset adds tracepoints to pm80xx Martin K. Petersen
@ 2021-11-23  3:49 ` Martin K. Petersen
  3 siblings, 0 replies; 7+ messages in thread
From: Martin K. Petersen @ 2021-11-23  3:49 UTC (permalink / raw)
  To: Changyuan Lyu, Jack Wang, James E . J . Bottomley
  Cc: Martin K . Petersen, Igor Pylypiv, Akshat Jain,
	Vishakha Channapattan, kernel test robot, linux-scsi

On Mon, 15 Nov 2021 13:57:48 -0800, Changyuan Lyu wrote:

> v2: added le32_to_cpu() when calling trace_pm80xx_mpi_build_cmd()
> to eliminate the incorrect type error in patch `scsi: pm80xx: Add
> pm80xx_mpi_build_cmd tracepoint`.
> Reported-by: kernel test robot <lkp@intel.com>
> 
> Changyuan Lyu (2):
>   scsi: pm80xx: Add tracepoints
>   scsi: pm80xx: Add pm80xx_mpi_build_cmd tracepoint
> 
> [...]

Applied to 5.17/scsi-queue, thanks!

[1/2] scsi: pm80xx: Add tracepoints
      https://git.kernel.org/mkp/scsi/c/8ceddda38d42
[2/2] scsi: pm80xx: Add pm80xx_mpi_build_cmd tracepoint
      https://git.kernel.org/mkp/scsi/c/0137b129f215

-- 
Martin K. Petersen	Oracle Linux Engineering

^ permalink raw reply	[flat|nested] 7+ messages in thread

end of thread, other threads:[~2021-11-23  3:49 UTC | newest]

Thread overview: 7+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-11-15 21:57 [PATCH v2 0/2] This patchset adds tracepoints to pm80xx Changyuan Lyu
2021-11-15 21:57 ` [PATCH v2 1/2] scsi: pm80xx: Add tracepoints Changyuan Lyu
2021-11-16  8:14   ` Jinpu Wang
2021-11-15 21:57 ` [PATCH v2 2/2] scsi: pm80xx: Add pm80xx_mpi_build_cmd tracepoint Changyuan Lyu
2021-11-16  8:15   ` Jinpu Wang
2021-11-19  2:55 ` [PATCH v2 0/2] This patchset adds tracepoints to pm80xx Martin K. Petersen
2021-11-23  3:49 ` Martin K. Petersen

This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.