#undef TRACE_SYSTEM #define TRACE_SYSTEM page_ref #if !defined(_TRACE_PAGE_REF_H) || defined(TRACE_HEADER_MULTI_READ) #define _TRACE_PAGE_REF_H #include <linux/types.h> #include <linux/page_ref.h> #include <linux/tracepoint.h> #include <trace/events/mmflags.h> DECLARE_EVENT_CLASS(page_ref_mod_template, TP_PROTO(struct page *page, int v), TP_ARGS(page, v), TP_STRUCT__entry( __field(unsigned long, pfn) __field(unsigned long, flags) __field(int, count) __field(int, mapcount) __field(void *, mapping) __field(int, mt) __field(int, val) ), TP_fast_assign( __entry->pfn = page_to_pfn(page); __entry->flags = page->flags; __entry->count = page_ref_count(page); __entry->mapcount = page_mapcount(page); __entry->mapping = page->mapping; __entry->mt = get_pageblock_migratetype(page); __entry->val = v; ), TP_printk("pfn=0x%lx flags=%s count=%d mapcount=%d mapping=%p mt=%d val=%d", __entry->pfn, show_page_flags(__entry->flags & ((1UL << NR_PAGEFLAGS) - 1)), __entry->count, __entry->mapcount, __entry->mapping, __entry->mt, __entry->val) ); DEFINE_EVENT(page_ref_mod_template, page_ref_set, TP_PROTO(struct page *page, int v), TP_ARGS(page, v) ); DEFINE_EVENT(page_ref_mod_template, page_ref_mod, TP_PROTO(struct page *page, int v), TP_ARGS(page, v) ); DECLARE_EVENT_CLASS(page_ref_mod_and_test_template, TP_PROTO(struct page *page, int v, int ret), TP_ARGS(page, v, ret), TP_STRUCT__entry( __field(unsigned long, pfn) __field(unsigned long, flags) __field(int, count) __field(int, mapcount) __field(void *, mapping) __field(int, mt) __field(int, val) __field(int, ret) ), TP_fast_assign( __entry->pfn = page_to_pfn(page); __entry->flags = page->flags; __entry->count = page_ref_count(page); __entry->mapcount = page_mapcount(page); __entry->mapping = page->mapping; __entry->mt = get_pageblock_migratetype(page); __entry->val = v; __entry->ret = ret; ), TP_printk("pfn=0x%lx flags=%s count=%d mapcount=%d mapping=%p mt=%d val=%d ret=%d", __entry->pfn, show_page_flags(__entry->flags & ((1UL << NR_PAGEFLAGS) - 1)), __entry->count, __entry->mapcount, __entry->mapping, __entry->mt, __entry->val, __entry->ret) ); DEFINE_EVENT(page_ref_mod_and_test_template, page_ref_mod_and_test, TP_PROTO(struct page *page, int v, int ret), TP_ARGS(page, v, ret) ); DEFINE_EVENT(page_ref_mod_and_test_template, page_ref_mod_and_return, TP_PROTO(struct page *page, int v, int ret), TP_ARGS(page, v, ret) ); DEFINE_EVENT(page_ref_mod_and_test_template, page_ref_mod_unless, TP_PROTO(struct page *page, int v, int ret), TP_ARGS(page, v, ret) ); DEFINE_EVENT(page_ref_mod_and_test_template, page_ref_freeze, TP_PROTO(struct page *page, int v, int ret), TP_ARGS(page, v, ret) ); DEFINE_EVENT(page_ref_mod_template, page_ref_unfreeze, TP_PROTO(struct page *page, int v), TP_ARGS(page, v) ); #endif /* _TRACE_PAGE_COUNT_H */ /* This part must be outside protection */ #include <trace/define_trace.h>