diff options
Diffstat (limited to 'include/trace/events/huge_memory.h')
| -rw-r--r-- | include/trace/events/huge_memory.h | 207 |
1 files changed, 207 insertions, 0 deletions
diff --git a/include/trace/events/huge_memory.h b/include/trace/events/huge_memory.h new file mode 100644 index 000000000..760455dfa --- /dev/null +++ b/include/trace/events/huge_memory.h @@ -0,0 +1,207 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#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> + +#define SCAN_STATUS \ + EM( SCAN_FAIL, "failed") \ + EM( SCAN_SUCCEED, "succeeded") \ + EM( SCAN_PMD_NULL, "pmd_null") \ + EM( SCAN_PMD_NONE, "pmd_none") \ + EM( SCAN_PMD_MAPPED, "page_pmd_mapped") \ + EM( SCAN_EXCEED_NONE_PTE, "exceed_none_pte") \ + EM( SCAN_EXCEED_SWAP_PTE, "exceed_swap_pte") \ + EM( SCAN_EXCEED_SHARED_PTE, "exceed_shared_pte") \ + EM( SCAN_PTE_NON_PRESENT, "pte_non_present") \ + EM( SCAN_PTE_UFFD_WP, "pte_uffd_wp") \ + EM( SCAN_PTE_MAPPED_HUGEPAGE, "pte_mapped_hugepage") \ + EM( SCAN_PAGE_RO, "no_writable_page") \ + EM( SCAN_LACK_REFERENCED_PAGE, "lack_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_PAGE_COMPOUND, "page_compound") \ + 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_DEL_PAGE_LRU, "could_not_delete_page_from_lru")\ + EM( SCAN_ALLOC_HUGE_PAGE_FAIL, "alloc_huge_page_failed") \ + EM( SCAN_CGROUP_CHARGE_FAIL, "ccgroup_charge_failed") \ + EM( SCAN_TRUNCATED, "truncated") \ + EMe(SCAN_PAGE_HAS_PRIVATE, "page_has_private") \ + +#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, struct page *page, bool writable, + int referenced, int none_or_zero, int status, int unmapped), + + TP_ARGS(mm, page, writable, referenced, none_or_zero, status, unmapped), + + TP_STRUCT__entry( + __field(struct mm_struct *, mm) + __field(unsigned long, pfn) + __field(bool, writable) + __field(int, referenced) + __field(int, none_or_zero) + __field(int, status) + __field(int, unmapped) + ), + + TP_fast_assign( + __entry->mm = mm; + __entry->pfn = page ? page_to_pfn(page) : -1; + __entry->writable = writable; + __entry->referenced = referenced; + __entry->none_or_zero = none_or_zero; + __entry->status = status; + __entry->unmapped = unmapped; + ), + + TP_printk("mm=%p, scan_pfn=0x%lx, writable=%d, referenced=%d, none_or_zero=%d, status=%s, unmapped=%d", + __entry->mm, + __entry->pfn, + __entry->writable, + __entry->referenced, + __entry->none_or_zero, + __print_symbolic(__entry->status, SCAN_STATUS), + __entry->unmapped) +); + +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(struct page *page, int none_or_zero, + int referenced, bool writable, int status), + + TP_ARGS(page, none_or_zero, referenced, writable, status), + + TP_STRUCT__entry( + __field(unsigned long, pfn) + __field(int, none_or_zero) + __field(int, referenced) + __field(bool, writable) + __field(int, status) + ), + + TP_fast_assign( + __entry->pfn = page ? page_to_pfn(page) : -1; + __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)) +); + +TRACE_EVENT(mm_collapse_huge_page_swapin, + + TP_PROTO(struct mm_struct *mm, int swapped_in, int referenced, int ret), + + TP_ARGS(mm, swapped_in, referenced, ret), + + TP_STRUCT__entry( + __field(struct mm_struct *, mm) + __field(int, swapped_in) + __field(int, referenced) + __field(int, ret) + ), + + TP_fast_assign( + __entry->mm = mm; + __entry->swapped_in = swapped_in; + __entry->referenced = referenced; + __entry->ret = ret; + ), + + TP_printk("mm=%p, swapped_in=%d, referenced=%d, ret=%d", + __entry->mm, + __entry->swapped_in, + __entry->referenced, + __entry->ret) +); + +TRACE_EVENT(mm_khugepaged_scan_file, + + TP_PROTO(struct mm_struct *mm, struct page *page, struct file *file, + int present, int swap, int result), + + TP_ARGS(mm, page, file, present, swap, result), + + TP_STRUCT__entry( + __field(struct mm_struct *, mm) + __field(unsigned long, pfn) + __string(filename, file->f_path.dentry->d_iname) + __field(int, present) + __field(int, swap) + __field(int, result) + ), + + TP_fast_assign( + __entry->mm = mm; + __entry->pfn = page ? page_to_pfn(page) : -1; + __assign_str(filename, file->f_path.dentry->d_iname); + __entry->present = present; + __entry->swap = swap; + __entry->result = result; + ), + + TP_printk("mm=%p, scan_pfn=0x%lx, filename=%s, present=%d, swap=%d, result=%s", + __entry->mm, + __entry->pfn, + __get_str(filename), + __entry->present, + __entry->swap, + __print_symbolic(__entry->result, SCAN_STATUS)) +); + +#endif /* __HUGE_MEMORY_H */ +#include <trace/define_trace.h> |