Viewing file:  mmap_lock.h (2.17 KB) -rw-r--r--
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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/tracepoint.h>
#include <linux/types.h>
struct mm_struct;
extern int trace_mmap_lock_reg(void);
extern void trace_mmap_lock_unreg(void);
TRACE_EVENT_FN(mmap_lock_start_locking,
TP_PROTO(struct mm_struct *mm, const char *memcg_path, bool write),
TP_ARGS(mm, memcg_path, write),
TP_STRUCT__entry(
__field(struct mm_struct *, mm)
__string(memcg_path, memcg_path)
__field(bool, write)
),
TP_fast_assign(
__entry->mm = mm;
__assign_str(memcg_path, memcg_path);
__entry->write = write;
),
TP_printk(
"mm=%p memcg_path=%s write=%s\n",
__entry->mm,
__get_str(memcg_path),
__entry->write ? "true" : "false"
),
trace_mmap_lock_reg, trace_mmap_lock_unreg
);
TRACE_EVENT_FN(mmap_lock_acquire_returned,
TP_PROTO(struct mm_struct *mm, const char *memcg_path, bool write,
bool success),
TP_ARGS(mm, memcg_path, write, success),
TP_STRUCT__entry(
__field(struct mm_struct *, mm)
__string(memcg_path, memcg_path)
__field(bool, write)
__field(bool, success)
),
TP_fast_assign(
__entry->mm = mm;
__assign_str(memcg_path, memcg_path);
__entry->write = write;
__entry->success = success;
),
TP_printk(
"mm=%p memcg_path=%s write=%s success=%s\n",
__entry->mm,
__get_str(memcg_path),
__entry->write ? "true" : "false",
__entry->success ? "true" : "false"
),
trace_mmap_lock_reg, trace_mmap_lock_unreg
);
TRACE_EVENT_FN(mmap_lock_released,
TP_PROTO(struct mm_struct *mm, const char *memcg_path, bool write),
TP_ARGS(mm, memcg_path, write),
TP_STRUCT__entry(
__field(struct mm_struct *, mm)
__string(memcg_path, memcg_path)
__field(bool, write)
),
TP_fast_assign(
__entry->mm = mm;
__assign_str(memcg_path, memcg_path);
__entry->write = write;
),
TP_printk(
"mm=%p memcg_path=%s write=%s\n",
__entry->mm,
__get_str(memcg_path),
__entry->write ? "true" : "false"
),
trace_mmap_lock_reg, trace_mmap_lock_unreg
);
#endif /* _TRACE_MMAP_LOCK_H */
/* This part must be outside protection */
#include <trace/define_trace.h>
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