linux/drivers/misc/ocxl/trace.h
Christophe Lombard 98f5559a43 ocxl: Add new kernel traces
Add specific kernel traces which provide information on mmu notifier and on
pages range.

Signed-off-by: Christophe Lombard <clombard@linux.vnet.ibm.com>
Acked-by: Frederic Barrat <fbarrat@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20201125155013.39955-6-clombard@linux.vnet.ibm.com
2020-12-04 01:01:30 +11:00

243 lines
4.5 KiB
C

/* SPDX-License-Identifier: GPL-2.0+ */
// Copyright 2017 IBM Corp.
#undef TRACE_SYSTEM
#define TRACE_SYSTEM ocxl
#if !defined(_TRACE_OCXL_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_OCXL_H
#include <linux/tracepoint.h>
TRACE_EVENT(ocxl_mmu_notifier_range,
TP_PROTO(unsigned long start, unsigned long end, unsigned long pidr),
TP_ARGS(start, end, pidr),
TP_STRUCT__entry(
__field(unsigned long, start)
__field(unsigned long, end)
__field(unsigned long, pidr)
),
TP_fast_assign(
__entry->start = start;
__entry->end = end;
__entry->pidr = pidr;
),
TP_printk("start=0x%lx end=0x%lx pidr=0x%lx",
__entry->start,
__entry->end,
__entry->pidr
)
);
TRACE_EVENT(ocxl_init_mmu_notifier,
TP_PROTO(int pasid, unsigned long pidr),
TP_ARGS(pasid, pidr),
TP_STRUCT__entry(
__field(int, pasid)
__field(unsigned long, pidr)
),
TP_fast_assign(
__entry->pasid = pasid;
__entry->pidr = pidr;
),
TP_printk("pasid=%d, pidr=0x%lx",
__entry->pasid,
__entry->pidr
)
);
TRACE_EVENT(ocxl_release_mmu_notifier,
TP_PROTO(int pasid, unsigned long pidr),
TP_ARGS(pasid, pidr),
TP_STRUCT__entry(
__field(int, pasid)
__field(unsigned long, pidr)
),
TP_fast_assign(
__entry->pasid = pasid;
__entry->pidr = pidr;
),
TP_printk("pasid=%d, pidr=0x%lx",
__entry->pasid,
__entry->pidr
)
);
DECLARE_EVENT_CLASS(ocxl_context,
TP_PROTO(pid_t pid, void *spa, int pasid, u32 pidr, u32 tidr),
TP_ARGS(pid, spa, pasid, pidr, tidr),
TP_STRUCT__entry(
__field(pid_t, pid)
__field(void*, spa)
__field(int, pasid)
__field(u32, pidr)
__field(u32, tidr)
),
TP_fast_assign(
__entry->pid = pid;
__entry->spa = spa;
__entry->pasid = pasid;
__entry->pidr = pidr;
__entry->tidr = tidr;
),
TP_printk("linux pid=%d spa=0x%p pasid=0x%x pidr=0x%x tidr=0x%x",
__entry->pid,
__entry->spa,
__entry->pasid,
__entry->pidr,
__entry->tidr
)
);
DEFINE_EVENT(ocxl_context, ocxl_context_add,
TP_PROTO(pid_t pid, void *spa, int pasid, u32 pidr, u32 tidr),
TP_ARGS(pid, spa, pasid, pidr, tidr)
);
DEFINE_EVENT(ocxl_context, ocxl_context_remove,
TP_PROTO(pid_t pid, void *spa, int pasid, u32 pidr, u32 tidr),
TP_ARGS(pid, spa, pasid, pidr, tidr)
);
TRACE_EVENT(ocxl_terminate_pasid,
TP_PROTO(int pasid, int rc),
TP_ARGS(pasid, rc),
TP_STRUCT__entry(
__field(int, pasid)
__field(int, rc)
),
TP_fast_assign(
__entry->pasid = pasid;
__entry->rc = rc;
),
TP_printk("pasid=0x%x rc=%d",
__entry->pasid,
__entry->rc
)
);
DECLARE_EVENT_CLASS(ocxl_fault_handler,
TP_PROTO(void *spa, u64 pe, u64 dsisr, u64 dar, u64 tfc),
TP_ARGS(spa, pe, dsisr, dar, tfc),
TP_STRUCT__entry(
__field(void *, spa)
__field(u64, pe)
__field(u64, dsisr)
__field(u64, dar)
__field(u64, tfc)
),
TP_fast_assign(
__entry->spa = spa;
__entry->pe = pe;
__entry->dsisr = dsisr;
__entry->dar = dar;
__entry->tfc = tfc;
),
TP_printk("spa=%p pe=0x%llx dsisr=0x%llx dar=0x%llx tfc=0x%llx",
__entry->spa,
__entry->pe,
__entry->dsisr,
__entry->dar,
__entry->tfc
)
);
DEFINE_EVENT(ocxl_fault_handler, ocxl_fault,
TP_PROTO(void *spa, u64 pe, u64 dsisr, u64 dar, u64 tfc),
TP_ARGS(spa, pe, dsisr, dar, tfc)
);
DEFINE_EVENT(ocxl_fault_handler, ocxl_fault_ack,
TP_PROTO(void *spa, u64 pe, u64 dsisr, u64 dar, u64 tfc),
TP_ARGS(spa, pe, dsisr, dar, tfc)
);
TRACE_EVENT(ocxl_afu_irq_alloc,
TP_PROTO(int pasid, int irq_id, unsigned int virq, int hw_irq),
TP_ARGS(pasid, irq_id, virq, hw_irq),
TP_STRUCT__entry(
__field(int, pasid)
__field(int, irq_id)
__field(unsigned int, virq)
__field(int, hw_irq)
),
TP_fast_assign(
__entry->pasid = pasid;
__entry->irq_id = irq_id;
__entry->virq = virq;
__entry->hw_irq = hw_irq;
),
TP_printk("pasid=0x%x irq_id=%d virq=%u hw_irq=%d",
__entry->pasid,
__entry->irq_id,
__entry->virq,
__entry->hw_irq
)
);
TRACE_EVENT(ocxl_afu_irq_free,
TP_PROTO(int pasid, int irq_id),
TP_ARGS(pasid, irq_id),
TP_STRUCT__entry(
__field(int, pasid)
__field(int, irq_id)
),
TP_fast_assign(
__entry->pasid = pasid;
__entry->irq_id = irq_id;
),
TP_printk("pasid=0x%x irq_id=%d",
__entry->pasid,
__entry->irq_id
)
);
TRACE_EVENT(ocxl_afu_irq_receive,
TP_PROTO(int virq),
TP_ARGS(virq),
TP_STRUCT__entry(
__field(int, virq)
),
TP_fast_assign(
__entry->virq = virq;
),
TP_printk("virq=%d",
__entry->virq
)
);
#endif /* _TRACE_OCXL_H */
/* This part must be outside protection */
#undef TRACE_INCLUDE_PATH
#define TRACE_INCLUDE_PATH .
#define TRACE_INCLUDE_FILE trace
#include <trace/define_trace.h>