| /* 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> |