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d0072ca529
We already have newline in TP_printk so remove the redundant newline
character at the end of the mmap trace.
<...>-345 [006] ..... 95.589290: exit_mmap: mt_mod ...
<...>-345 [006] ..... 95.589413: vm_unmapped_area: addr=...
<...>-345 [006] ..... 95.589571: vm_unmapped_area: addr=...
<...>-345 [006] ..... 95.589606: vm_unmapped_area: addr=...
to
<...>-336 [006] ..... 44.762506: exit_mmap: mt_mod ...
<...>-336 [006] ..... 44.762654: vm_unmapped_area: addr=...
<...>-336 [006] ..... 44.762794: vm_unmapped_area: addr=...
<...>-336 [006] ..... 44.762835: vm_unmapped_area: addr=...
Link: https://lkml.kernel.org/r/ZAu6qDsNPmk82UjV@minwoo-desktop
FIxes: df529cabb7 ("mm: mmap: add trace point of vm_unmapped_area")
Signed-off-by: Minwoo Im <minwoo.im.dev@gmail.com>
Acked-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Reviewed-by: Mukesh Ojha <quic_mojha@quicinc.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
122 lines
2.7 KiB
C
122 lines
2.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#undef TRACE_SYSTEM
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#define TRACE_SYSTEM mmap
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#if !defined(_TRACE_MMAP_H) || defined(TRACE_HEADER_MULTI_READ)
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#define _TRACE_MMAP_H
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#include <linux/tracepoint.h>
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TRACE_EVENT(vm_unmapped_area,
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TP_PROTO(unsigned long addr, struct vm_unmapped_area_info *info),
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TP_ARGS(addr, info),
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TP_STRUCT__entry(
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__field(unsigned long, addr)
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__field(unsigned long, total_vm)
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__field(unsigned long, flags)
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__field(unsigned long, length)
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__field(unsigned long, low_limit)
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__field(unsigned long, high_limit)
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__field(unsigned long, align_mask)
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__field(unsigned long, align_offset)
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),
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TP_fast_assign(
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__entry->addr = addr;
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__entry->total_vm = current->mm->total_vm;
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__entry->flags = info->flags;
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__entry->length = info->length;
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__entry->low_limit = info->low_limit;
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__entry->high_limit = info->high_limit;
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__entry->align_mask = info->align_mask;
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__entry->align_offset = info->align_offset;
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),
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TP_printk("addr=0x%lx err=%ld total_vm=0x%lx flags=0x%lx len=0x%lx lo=0x%lx hi=0x%lx mask=0x%lx ofs=0x%lx",
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IS_ERR_VALUE(__entry->addr) ? 0 : __entry->addr,
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IS_ERR_VALUE(__entry->addr) ? __entry->addr : 0,
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__entry->total_vm, __entry->flags, __entry->length,
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__entry->low_limit, __entry->high_limit, __entry->align_mask,
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__entry->align_offset)
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);
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TRACE_EVENT(vma_mas_szero,
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TP_PROTO(struct maple_tree *mt, unsigned long start,
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unsigned long end),
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TP_ARGS(mt, start, end),
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TP_STRUCT__entry(
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__field(struct maple_tree *, mt)
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__field(unsigned long, start)
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__field(unsigned long, end)
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),
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TP_fast_assign(
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__entry->mt = mt;
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__entry->start = start;
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__entry->end = end;
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),
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TP_printk("mt_mod %p, (NULL), SNULL, %lu, %lu,",
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__entry->mt,
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(unsigned long) __entry->start,
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(unsigned long) __entry->end
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)
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);
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TRACE_EVENT(vma_store,
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TP_PROTO(struct maple_tree *mt, struct vm_area_struct *vma),
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TP_ARGS(mt, vma),
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TP_STRUCT__entry(
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__field(struct maple_tree *, mt)
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__field(struct vm_area_struct *, vma)
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__field(unsigned long, vm_start)
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__field(unsigned long, vm_end)
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),
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TP_fast_assign(
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__entry->mt = mt;
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__entry->vma = vma;
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__entry->vm_start = vma->vm_start;
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__entry->vm_end = vma->vm_end - 1;
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),
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TP_printk("mt_mod %p, (%p), STORE, %lu, %lu,",
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__entry->mt, __entry->vma,
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(unsigned long) __entry->vm_start,
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(unsigned long) __entry->vm_end
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)
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);
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TRACE_EVENT(exit_mmap,
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TP_PROTO(struct mm_struct *mm),
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TP_ARGS(mm),
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TP_STRUCT__entry(
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__field(struct mm_struct *, mm)
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__field(struct maple_tree *, mt)
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),
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TP_fast_assign(
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__entry->mm = mm;
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__entry->mt = &mm->mm_mt;
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),
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TP_printk("mt_mod %p, DESTROY",
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__entry->mt
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)
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);
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#endif
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/* This part must be outside protection */
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#include <trace/define_trace.h>
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