mirror of https://github.com/torvalds/linux.git
80 lines
1.7 KiB
C
80 lines
1.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#undef TRACE_SYSTEM
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#define TRACE_SYSTEM mmap_lock
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#if !defined(_TRACE_MMAP_LOCK_H) || defined(TRACE_HEADER_MULTI_READ)
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#define _TRACE_MMAP_LOCK_H
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#include <linux/memcontrol.h>
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#include <linux/tracepoint.h>
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#include <linux/types.h>
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struct mm_struct;
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DECLARE_EVENT_CLASS(mmap_lock,
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TP_PROTO(struct mm_struct *mm, bool write),
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TP_ARGS(mm, write),
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TP_STRUCT__entry(
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__field(struct mm_struct *, mm)
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__field(u64, memcg_id)
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__field(bool, write)
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),
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TP_fast_assign(
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__entry->mm = mm;
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__entry->memcg_id = cgroup_id_from_mm(mm);
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__entry->write = write;
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),
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TP_printk(
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"mm=%p memcg_id=%llu write=%s",
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__entry->mm, __entry->memcg_id,
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__entry->write ? "true" : "false"
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)
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);
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#define DEFINE_MMAP_LOCK_EVENT(name) \
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DEFINE_EVENT(mmap_lock, name, \
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TP_PROTO(struct mm_struct *mm, bool write), \
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TP_ARGS(mm, write))
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DEFINE_MMAP_LOCK_EVENT(mmap_lock_start_locking);
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DEFINE_MMAP_LOCK_EVENT(mmap_lock_released);
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TRACE_EVENT(mmap_lock_acquire_returned,
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TP_PROTO(struct mm_struct *mm, bool write, bool success),
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TP_ARGS(mm, write, success),
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TP_STRUCT__entry(
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__field(struct mm_struct *, mm)
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__field(u64, memcg_id)
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__field(bool, write)
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__field(bool, success)
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),
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TP_fast_assign(
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__entry->mm = mm;
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__entry->memcg_id = cgroup_id_from_mm(mm);
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__entry->write = write;
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__entry->success = success;
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),
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TP_printk(
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"mm=%p memcg_id=%llu write=%s success=%s",
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__entry->mm,
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__entry->memcg_id,
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__entry->write ? "true" : "false",
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__entry->success ? "true" : "false"
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)
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);
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#endif /* _TRACE_MMAP_LOCK_H */
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/* This part must be outside protection */
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#include <trace/define_trace.h>
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