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