xref: /linux/include/trace/events/page_pool.h (revision d53b8e36925256097a08d7cb749198d85cbf9b2b)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #undef TRACE_SYSTEM
3 #define TRACE_SYSTEM page_pool
4 
5 #if !defined(_TRACE_PAGE_POOL_H) || defined(TRACE_HEADER_MULTI_READ)
6 #define      _TRACE_PAGE_POOL_H
7 
8 #include <linux/types.h>
9 #include <linux/tracepoint.h>
10 
11 #include <trace/events/mmflags.h>
12 #include <net/page_pool/types.h>
13 
14 TRACE_EVENT(page_pool_release,
15 
16 	TP_PROTO(const struct page_pool *pool,
17 		 s32 inflight, u32 hold, u32 release),
18 
19 	TP_ARGS(pool, inflight, hold, release),
20 
21 	TP_STRUCT__entry(
22 		__field(const struct page_pool *, pool)
23 		__field(s32,	inflight)
24 		__field(u32,	hold)
25 		__field(u32,	release)
26 		__field(u64,	cnt)
27 	),
28 
29 	TP_fast_assign(
30 		__entry->pool		= pool;
31 		__entry->inflight	= inflight;
32 		__entry->hold		= hold;
33 		__entry->release	= release;
34 		__entry->cnt		= pool->destroy_cnt;
35 	),
36 
37 	TP_printk("page_pool=%p inflight=%d hold=%u release=%u cnt=%llu",
38 		__entry->pool, __entry->inflight, __entry->hold,
39 		__entry->release, __entry->cnt)
40 );
41 
42 TRACE_EVENT(page_pool_state_release,
43 
44 	TP_PROTO(const struct page_pool *pool,
45 		 netmem_ref netmem, u32 release),
46 
47 	TP_ARGS(pool, netmem, release),
48 
49 	TP_STRUCT__entry(
50 		__field(const struct page_pool *,	pool)
51 		__field(unsigned long,			netmem)
52 		__field(u32,				release)
53 		__field(unsigned long,			pfn)
54 	),
55 
56 	TP_fast_assign(
57 		__entry->pool		= pool;
58 		__entry->netmem		= (__force unsigned long)netmem;
59 		__entry->release	= release;
60 		__entry->pfn		= netmem_to_pfn(netmem);
61 	),
62 
63 	TP_printk("page_pool=%p netmem=%p pfn=0x%lx release=%u",
64 		  __entry->pool, (void *)__entry->netmem,
65 		  __entry->pfn, __entry->release)
66 );
67 
68 TRACE_EVENT(page_pool_state_hold,
69 
70 	TP_PROTO(const struct page_pool *pool,
71 		 netmem_ref netmem, u32 hold),
72 
73 	TP_ARGS(pool, netmem, hold),
74 
75 	TP_STRUCT__entry(
76 		__field(const struct page_pool *,	pool)
77 		__field(unsigned long,			netmem)
78 		__field(u32,				hold)
79 		__field(unsigned long,			pfn)
80 	),
81 
82 	TP_fast_assign(
83 		__entry->pool	= pool;
84 		__entry->netmem	= (__force unsigned long)netmem;
85 		__entry->hold	= hold;
86 		__entry->pfn	= netmem_to_pfn(netmem);
87 	),
88 
89 	TP_printk("page_pool=%p netmem=%p pfn=0x%lx hold=%u",
90 		  __entry->pool, (void *)__entry->netmem,
91 		  __entry->pfn, __entry->hold)
92 );
93 
94 TRACE_EVENT(page_pool_update_nid,
95 
96 	TP_PROTO(const struct page_pool *pool, int new_nid),
97 
98 	TP_ARGS(pool, new_nid),
99 
100 	TP_STRUCT__entry(
101 		__field(const struct page_pool *, pool)
102 		__field(int,			  pool_nid)
103 		__field(int,			  new_nid)
104 	),
105 
106 	TP_fast_assign(
107 		__entry->pool		= pool;
108 		__entry->pool_nid	= pool->p.nid;
109 		__entry->new_nid	= new_nid;
110 	),
111 
112 	TP_printk("page_pool=%p pool_nid=%d new_nid=%d",
113 		  __entry->pool, __entry->pool_nid, __entry->new_nid)
114 );
115 
116 #endif /* _TRACE_PAGE_POOL_H */
117 
118 /* This part must be outside protection */
119 #include <trace/define_trace.h>
120