736ae8bde8
This patch a set of new trace events to collect the speculative page fault event failures. Signed-off-by: Laurent Dufour <ldufour@linux.vnet.ibm.com> Change-Id: I9dafba293edf40bdad4ae241d105ecdfb42579c1 Link: https://lore.kernel.org/lkml/1523975611-15978-20-git-send-email-ldufour@linux.vnet.ibm.com/ Bug: 161210518 Signed-off-by: Vinayak Menon <vinmenon@codeaurora.org>
90 lines
1.9 KiB
C
90 lines
1.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#undef TRACE_SYSTEM
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#undef TRACE_INCLUDE_PATH
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#define TRACE_SYSTEM pagefault
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#if !defined(_TRACE_PAGEFAULT_H) || defined(TRACE_HEADER_MULTI_READ)
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#define _TRACE_PAGEFAULT_H
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#include <linux/tracepoint.h>
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#include <linux/mm.h>
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DECLARE_EVENT_CLASS(spf,
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TP_PROTO(unsigned long caller,
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struct vm_area_struct *vma, unsigned long address),
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TP_ARGS(caller, vma, address),
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TP_STRUCT__entry(
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__field(unsigned long, caller)
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__field(unsigned long, vm_start)
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__field(unsigned long, vm_end)
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__field(unsigned long, address)
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),
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TP_fast_assign(
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__entry->caller = caller;
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__entry->vm_start = vma->vm_start;
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__entry->vm_end = vma->vm_end;
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__entry->address = address;
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),
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TP_printk("ip:%lx vma:%lx-%lx address:%lx",
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__entry->caller, __entry->vm_start, __entry->vm_end,
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__entry->address)
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);
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DEFINE_EVENT(spf, spf_pte_lock,
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TP_PROTO(unsigned long caller,
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struct vm_area_struct *vma, unsigned long address),
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TP_ARGS(caller, vma, address)
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);
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DEFINE_EVENT(spf, spf_vma_changed,
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TP_PROTO(unsigned long caller,
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struct vm_area_struct *vma, unsigned long address),
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TP_ARGS(caller, vma, address)
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);
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DEFINE_EVENT(spf, spf_vma_noanon,
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TP_PROTO(unsigned long caller,
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struct vm_area_struct *vma, unsigned long address),
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TP_ARGS(caller, vma, address)
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);
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DEFINE_EVENT(spf, spf_vma_notsup,
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TP_PROTO(unsigned long caller,
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struct vm_area_struct *vma, unsigned long address),
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TP_ARGS(caller, vma, address)
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);
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DEFINE_EVENT(spf, spf_vma_access,
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TP_PROTO(unsigned long caller,
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struct vm_area_struct *vma, unsigned long address),
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TP_ARGS(caller, vma, address)
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);
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DEFINE_EVENT(spf, spf_pmd_changed,
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TP_PROTO(unsigned long caller,
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struct vm_area_struct *vma, unsigned long address),
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TP_ARGS(caller, vma, address)
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);
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#endif /* _TRACE_PAGEFAULT_H */
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/* This part must be outside protection */
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#include <trace/define_trace.h>
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