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