1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun #undef TRACE_SYSTEM 3*4882a593Smuzhiyun #define TRACE_SYSTEM page_ref 4*4882a593Smuzhiyun 5*4882a593Smuzhiyun #if !defined(_TRACE_PAGE_REF_H) || defined(TRACE_HEADER_MULTI_READ) 6*4882a593Smuzhiyun #define _TRACE_PAGE_REF_H 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun #include <linux/types.h> 9*4882a593Smuzhiyun #include <linux/page_ref.h> 10*4882a593Smuzhiyun #include <linux/tracepoint.h> 11*4882a593Smuzhiyun #include <trace/events/mmflags.h> 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun DECLARE_EVENT_CLASS(page_ref_mod_template, 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun TP_PROTO(struct page *page, int v), 16*4882a593Smuzhiyun 17*4882a593Smuzhiyun TP_ARGS(page, v), 18*4882a593Smuzhiyun 19*4882a593Smuzhiyun TP_STRUCT__entry( 20*4882a593Smuzhiyun __field(unsigned long, pfn) 21*4882a593Smuzhiyun __field(unsigned long, flags) 22*4882a593Smuzhiyun __field(int, count) 23*4882a593Smuzhiyun __field(int, mapcount) 24*4882a593Smuzhiyun __field(void *, mapping) 25*4882a593Smuzhiyun __field(int, mt) 26*4882a593Smuzhiyun __field(int, val) 27*4882a593Smuzhiyun ), 28*4882a593Smuzhiyun 29*4882a593Smuzhiyun TP_fast_assign( 30*4882a593Smuzhiyun __entry->pfn = page_to_pfn(page); 31*4882a593Smuzhiyun __entry->flags = page->flags; 32*4882a593Smuzhiyun __entry->count = page_ref_count(page); 33*4882a593Smuzhiyun __entry->mapcount = page_mapcount(page); 34*4882a593Smuzhiyun __entry->mapping = page->mapping; 35*4882a593Smuzhiyun __entry->mt = get_pageblock_migratetype(page); 36*4882a593Smuzhiyun __entry->val = v; 37*4882a593Smuzhiyun ), 38*4882a593Smuzhiyun 39*4882a593Smuzhiyun TP_printk("pfn=0x%lx flags=%s count=%d mapcount=%d mapping=%p mt=%d val=%d", 40*4882a593Smuzhiyun __entry->pfn, 41*4882a593Smuzhiyun show_page_flags(__entry->flags & ((1UL << NR_PAGEFLAGS) - 1)), 42*4882a593Smuzhiyun __entry->count, 43*4882a593Smuzhiyun __entry->mapcount, __entry->mapping, __entry->mt, 44*4882a593Smuzhiyun __entry->val) 45*4882a593Smuzhiyun ); 46*4882a593Smuzhiyun 47*4882a593Smuzhiyun DEFINE_EVENT(page_ref_mod_template, page_ref_set, 48*4882a593Smuzhiyun 49*4882a593Smuzhiyun TP_PROTO(struct page *page, int v), 50*4882a593Smuzhiyun 51*4882a593Smuzhiyun TP_ARGS(page, v) 52*4882a593Smuzhiyun ); 53*4882a593Smuzhiyun 54*4882a593Smuzhiyun DEFINE_EVENT(page_ref_mod_template, page_ref_mod, 55*4882a593Smuzhiyun 56*4882a593Smuzhiyun TP_PROTO(struct page *page, int v), 57*4882a593Smuzhiyun 58*4882a593Smuzhiyun TP_ARGS(page, v) 59*4882a593Smuzhiyun ); 60*4882a593Smuzhiyun 61*4882a593Smuzhiyun DECLARE_EVENT_CLASS(page_ref_mod_and_test_template, 62*4882a593Smuzhiyun 63*4882a593Smuzhiyun TP_PROTO(struct page *page, int v, int ret), 64*4882a593Smuzhiyun 65*4882a593Smuzhiyun TP_ARGS(page, v, ret), 66*4882a593Smuzhiyun 67*4882a593Smuzhiyun TP_STRUCT__entry( 68*4882a593Smuzhiyun __field(unsigned long, pfn) 69*4882a593Smuzhiyun __field(unsigned long, flags) 70*4882a593Smuzhiyun __field(int, count) 71*4882a593Smuzhiyun __field(int, mapcount) 72*4882a593Smuzhiyun __field(void *, mapping) 73*4882a593Smuzhiyun __field(int, mt) 74*4882a593Smuzhiyun __field(int, val) 75*4882a593Smuzhiyun __field(int, ret) 76*4882a593Smuzhiyun ), 77*4882a593Smuzhiyun 78*4882a593Smuzhiyun TP_fast_assign( 79*4882a593Smuzhiyun __entry->pfn = page_to_pfn(page); 80*4882a593Smuzhiyun __entry->flags = page->flags; 81*4882a593Smuzhiyun __entry->count = page_ref_count(page); 82*4882a593Smuzhiyun __entry->mapcount = page_mapcount(page); 83*4882a593Smuzhiyun __entry->mapping = page->mapping; 84*4882a593Smuzhiyun __entry->mt = get_pageblock_migratetype(page); 85*4882a593Smuzhiyun __entry->val = v; 86*4882a593Smuzhiyun __entry->ret = ret; 87*4882a593Smuzhiyun ), 88*4882a593Smuzhiyun 89*4882a593Smuzhiyun TP_printk("pfn=0x%lx flags=%s count=%d mapcount=%d mapping=%p mt=%d val=%d ret=%d", 90*4882a593Smuzhiyun __entry->pfn, 91*4882a593Smuzhiyun show_page_flags(__entry->flags & ((1UL << NR_PAGEFLAGS) - 1)), 92*4882a593Smuzhiyun __entry->count, 93*4882a593Smuzhiyun __entry->mapcount, __entry->mapping, __entry->mt, 94*4882a593Smuzhiyun __entry->val, __entry->ret) 95*4882a593Smuzhiyun ); 96*4882a593Smuzhiyun 97*4882a593Smuzhiyun DEFINE_EVENT(page_ref_mod_and_test_template, page_ref_mod_and_test, 98*4882a593Smuzhiyun 99*4882a593Smuzhiyun TP_PROTO(struct page *page, int v, int ret), 100*4882a593Smuzhiyun 101*4882a593Smuzhiyun TP_ARGS(page, v, ret) 102*4882a593Smuzhiyun ); 103*4882a593Smuzhiyun 104*4882a593Smuzhiyun DEFINE_EVENT(page_ref_mod_and_test_template, page_ref_mod_and_return, 105*4882a593Smuzhiyun 106*4882a593Smuzhiyun TP_PROTO(struct page *page, int v, int ret), 107*4882a593Smuzhiyun 108*4882a593Smuzhiyun TP_ARGS(page, v, ret) 109*4882a593Smuzhiyun ); 110*4882a593Smuzhiyun 111*4882a593Smuzhiyun DEFINE_EVENT(page_ref_mod_and_test_template, page_ref_mod_unless, 112*4882a593Smuzhiyun 113*4882a593Smuzhiyun TP_PROTO(struct page *page, int v, int ret), 114*4882a593Smuzhiyun 115*4882a593Smuzhiyun TP_ARGS(page, v, ret) 116*4882a593Smuzhiyun ); 117*4882a593Smuzhiyun 118*4882a593Smuzhiyun DEFINE_EVENT(page_ref_mod_and_test_template, page_ref_freeze, 119*4882a593Smuzhiyun 120*4882a593Smuzhiyun TP_PROTO(struct page *page, int v, int ret), 121*4882a593Smuzhiyun 122*4882a593Smuzhiyun TP_ARGS(page, v, ret) 123*4882a593Smuzhiyun ); 124*4882a593Smuzhiyun 125*4882a593Smuzhiyun DEFINE_EVENT(page_ref_mod_template, page_ref_unfreeze, 126*4882a593Smuzhiyun 127*4882a593Smuzhiyun TP_PROTO(struct page *page, int v), 128*4882a593Smuzhiyun 129*4882a593Smuzhiyun TP_ARGS(page, v) 130*4882a593Smuzhiyun ); 131*4882a593Smuzhiyun 132*4882a593Smuzhiyun #endif /* _TRACE_PAGE_COUNT_H */ 133*4882a593Smuzhiyun 134*4882a593Smuzhiyun /* This part must be outside protection */ 135*4882a593Smuzhiyun #include <trace/define_trace.h> 136