609a5898ce
Perfetto uses binary tracing so we shouldn't reordring/removing the event type. Describe it more explicitly. Bug: 80168800 Change-Id: I7fa415b0ddc803e9ad81590f692a46bb416b2dd9 Signed-off-by: Minchan Kim <minchan@google.com> (cherry picked from commit ab281c5bf4753b1048d8a059342f89a0d24e9169)
56 lines
1.4 KiB
C
56 lines
1.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _LINUX_MM_EVENT_H
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#define _LINUX_MM_EVENT_H
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/*
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* These enums are exposed to userspace via the ftrace trace_pipe_raw endpoint
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* and are an ABI. Userspace tools depend on them.
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*/
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enum mm_event_type {
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MM_MIN_FAULT = 0,
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MM_MAJ_FAULT = 1,
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MM_READ_IO = 2,
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MM_COMPACTION = 3,
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MM_RECLAIM = 4,
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MM_SWP_FAULT = 5,
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MM_KERN_ALLOC = 6,
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MM_TYPE_NUM = 7,
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};
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struct mm_event_task {
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unsigned int count;
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unsigned int max_lat;
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u64 accm_lat;
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} __attribute__ ((packed));
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struct mm_event_vmstat {
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unsigned long free;
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unsigned long file;
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unsigned long anon;
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unsigned long ion;
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unsigned long slab;
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unsigned long ws_refault;
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unsigned long ws_activate;
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unsigned long mapped;
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unsigned long pgin;
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unsigned long pgout;
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unsigned long swpin;
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unsigned long swpout;
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unsigned long reclaim_steal;
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unsigned long reclaim_scan;
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unsigned long compact_scan;
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};
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#ifdef CONFIG_MM_EVENT_STAT
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void mm_event_task_init(struct task_struct *tsk);
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void mm_event_start(ktime_t *time);
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void mm_event_end(enum mm_event_type event, ktime_t start);
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void mm_event_count(enum mm_event_type event, int count);
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#else
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static inline void mm_event_task_init(struct task_struct *tsk) {}
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static inline void mm_event_start(ktime_t *time) {}
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static inline void mm_event_end(enum mm_event_type event, ktime_t start) {}
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static inline void mm_event_count(enum mm_event_type event, int count) {}
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#endif /* _LINUX_MM_EVENT_H */
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#endif
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