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-rw-r--r--include/trace/events/huge_memory.h136
1 files changed, 136 insertions, 0 deletions
diff --git a/include/trace/events/huge_memory.h b/include/trace/events/huge_memory.h
new file mode 100644
index 000000000000..97d635cabac8
--- /dev/null
+++ b/include/trace/events/huge_memory.h
@@ -0,0 +1,136 @@
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM huge_memory
+
+#if !defined(__HUGE_MEMORY_H) || defined(TRACE_HEADER_MULTI_READ)
+#define __HUGE_MEMORY_H
+
+#include <linux/tracepoint.h>
+
+#include <trace/events/gfpflags.h>
+
+#define SCAN_STATUS \
+ EM( SCAN_FAIL, "failed") \
+ EM( SCAN_SUCCEED, "succeeded") \
+ EM( SCAN_PMD_NULL, "pmd_null") \
+ EM( SCAN_EXCEED_NONE_PTE, "exceed_none_pte") \
+ EM( SCAN_PTE_NON_PRESENT, "pte_non_present") \
+ EM( SCAN_PAGE_RO, "no_writable_page") \
+ EM( SCAN_NO_REFERENCED_PAGE, "no_referenced_page") \
+ EM( SCAN_PAGE_NULL, "page_null") \
+ EM( SCAN_SCAN_ABORT, "scan_aborted") \
+ EM( SCAN_PAGE_COUNT, "not_suitable_page_count") \
+ EM( SCAN_PAGE_LRU, "page_not_in_lru") \
+ EM( SCAN_PAGE_LOCK, "page_locked") \
+ EM( SCAN_PAGE_ANON, "page_not_anon") \
+ EM( SCAN_ANY_PROCESS, "no_process_for_page") \
+ EM( SCAN_VMA_NULL, "vma_null") \
+ EM( SCAN_VMA_CHECK, "vma_check_failed") \
+ EM( SCAN_ADDRESS_RANGE, "not_suitable_address_range") \
+ EM( SCAN_SWAP_CACHE_PAGE, "page_swap_cache") \
+ EM( SCAN_DEL_PAGE_LRU, "could_not_delete_page_from_lru")\
+ EM( SCAN_ALLOC_HUGE_PAGE_FAIL, "alloc_huge_page_failed") \
+ EMe( SCAN_CGROUP_CHARGE_FAIL, "ccgroup_charge_failed")
+
+#undef EM
+#undef EMe
+#define EM(a, b) TRACE_DEFINE_ENUM(a);
+#define EMe(a, b) TRACE_DEFINE_ENUM(a);
+
+SCAN_STATUS
+
+#undef EM
+#undef EMe
+#define EM(a, b) {a, b},
+#define EMe(a, b) {a, b}
+
+TRACE_EVENT(mm_khugepaged_scan_pmd,
+
+ TP_PROTO(struct mm_struct *mm, unsigned long pfn, bool writable,
+ bool referenced, int none_or_zero, int status),
+
+ TP_ARGS(mm, pfn, writable, referenced, none_or_zero, status),
+
+ TP_STRUCT__entry(
+ __field(struct mm_struct *, mm)
+ __field(unsigned long, pfn)
+ __field(bool, writable)
+ __field(bool, referenced)
+ __field(int, none_or_zero)
+ __field(int, status)
+ ),
+
+ TP_fast_assign(
+ __entry->mm = mm;
+ __entry->pfn = pfn;
+ __entry->writable = writable;
+ __entry->referenced = referenced;
+ __entry->none_or_zero = none_or_zero;
+ __entry->status = status;
+ ),
+
+ TP_printk("mm=%p, scan_pfn=0x%lx, writable=%d, referenced=%d, none_or_zero=%d, status=%s",
+ __entry->mm,
+ __entry->pfn,
+ __entry->writable,
+ __entry->referenced,
+ __entry->none_or_zero,
+ __print_symbolic(__entry->status, SCAN_STATUS))
+);
+
+TRACE_EVENT(mm_collapse_huge_page,
+
+ TP_PROTO(struct mm_struct *mm, int isolated, int status),
+
+ TP_ARGS(mm, isolated, status),
+
+ TP_STRUCT__entry(
+ __field(struct mm_struct *, mm)
+ __field(int, isolated)
+ __field(int, status)
+ ),
+
+ TP_fast_assign(
+ __entry->mm = mm;
+ __entry->isolated = isolated;
+ __entry->status = status;
+ ),
+
+ TP_printk("mm=%p, isolated=%d, status=%s",
+ __entry->mm,
+ __entry->isolated,
+ __print_symbolic(__entry->status, SCAN_STATUS))
+);
+
+TRACE_EVENT(mm_collapse_huge_page_isolate,
+
+ TP_PROTO(unsigned long pfn, int none_or_zero,
+ bool referenced, bool writable, int status),
+
+ TP_ARGS(pfn, none_or_zero, referenced, writable, status),
+
+ TP_STRUCT__entry(
+ __field(unsigned long, pfn)
+ __field(int, none_or_zero)
+ __field(bool, referenced)
+ __field(bool, writable)
+ __field(int, status)
+ ),
+
+ TP_fast_assign(
+ __entry->pfn = pfn;
+ __entry->none_or_zero = none_or_zero;
+ __entry->referenced = referenced;
+ __entry->writable = writable;
+ __entry->status = status;
+ ),
+
+ TP_printk("scan_pfn=0x%lx, none_or_zero=%d, referenced=%d, writable=%d, status=%s",
+ __entry->pfn,
+ __entry->none_or_zero,
+ __entry->referenced,
+ __entry->writable,
+ __print_symbolic(__entry->status, SCAN_STATUS))
+);
+
+#endif /* __HUGE_MEMORY_H */
+#include <trace/define_trace.h>