1#undef TRACE_SYSTEM
  2#define TRACE_SYSTEM random
  3
  4#if !defined(_TRACE_RANDOM_H) || defined(TRACE_HEADER_MULTI_READ)
  5#define _TRACE_RANDOM_H
  6
  7#include <linux/writeback.h>
  8#include <linux/tracepoint.h>
  9
 10DECLARE_EVENT_CLASS(random__mix_pool_bytes,
 11	TP_PROTO(const char *pool_name, int bytes, unsigned long IP),
 12
 13	TP_ARGS(pool_name, bytes, IP),
 14
 15	TP_STRUCT__entry(
 16		__field( const char *,	pool_name		)
 17		__field(	  int,	bytes			)
 18		__field(unsigned long,	IP			)
 19	),
 20
 21	TP_fast_assign(
 22		__entry->pool_name	= pool_name;
 23		__entry->bytes		= bytes;
 24		__entry->IP		= IP;
 25	),
 26
 27	TP_printk("%s pool: bytes %d caller %pF",
 28		  __entry->pool_name, __entry->bytes, (void *)__entry->IP)
 29);
 30
 31DEFINE_EVENT(random__mix_pool_bytes, mix_pool_bytes,
 32	TP_PROTO(const char *pool_name, int bytes, unsigned long IP),
 33
 34	TP_ARGS(pool_name, bytes, IP)
 35);
 36
 37DEFINE_EVENT(random__mix_pool_bytes, mix_pool_bytes_nolock,
 38	TP_PROTO(const char *pool_name, int bytes, unsigned long IP),
 39
 40	TP_ARGS(pool_name, bytes, IP)
 41);
 42
 43TRACE_EVENT(credit_entropy_bits,
 44	TP_PROTO(const char *pool_name, int bits, int entropy_count,
 45		 int entropy_total, unsigned long IP),
 46
 47	TP_ARGS(pool_name, bits, entropy_count, entropy_total, IP),
 48
 49	TP_STRUCT__entry(
 50		__field( const char *,	pool_name		)
 51		__field(	  int,	bits			)
 52		__field(	  int,	entropy_count		)
 53		__field(	  int,	entropy_total		)
 54		__field(unsigned long,	IP			)
 55	),
 56
 57	TP_fast_assign(
 58		__entry->pool_name	= pool_name;
 59		__entry->bits		= bits;
 60		__entry->entropy_count	= entropy_count;
 61		__entry->entropy_total	= entropy_total;
 62		__entry->IP		= IP;
 63	),
 64
 65	TP_printk("%s pool: bits %d entropy_count %d entropy_total %d "
 66		  "caller %pF", __entry->pool_name, __entry->bits,
 67		  __entry->entropy_count, __entry->entropy_total,
 68		  (void *)__entry->IP)
 69);
 70
 71TRACE_EVENT(get_random_bytes,
 72	TP_PROTO(int nbytes, unsigned long IP),
 73
 74	TP_ARGS(nbytes, IP),
 75
 76	TP_STRUCT__entry(
 77		__field(	  int,	nbytes			)
 78		__field(unsigned long,	IP			)
 79	),
 80
 81	TP_fast_assign(
 82		__entry->nbytes		= nbytes;
 83		__entry->IP		= IP;
 84	),
 85
 86	TP_printk("nbytes %d caller %pF", __entry->nbytes, (void *)__entry->IP)
 87);
 88
 89DECLARE_EVENT_CLASS(random__extract_entropy,
 90	TP_PROTO(const char *pool_name, int nbytes, int entropy_count,
 91		 unsigned long IP),
 92
 93	TP_ARGS(pool_name, nbytes, entropy_count, IP),
 94
 95	TP_STRUCT__entry(
 96		__field( const char *,	pool_name		)
 97		__field(	  int,	nbytes			)
 98		__field(	  int,	entropy_count		)
 99		__field(unsigned long,	IP			)
100	),
101
102	TP_fast_assign(
103		__entry->pool_name	= pool_name;
104		__entry->nbytes		= nbytes;
105		__entry->entropy_count	= entropy_count;
106		__entry->IP		= IP;
107	),
108
109	TP_printk("%s pool: nbytes %d entropy_count %d caller %pF",
110		  __entry->pool_name, __entry->nbytes, __entry->entropy_count,
111		  (void *)__entry->IP)
112);
113
114
115DEFINE_EVENT(random__extract_entropy, extract_entropy,
116	TP_PROTO(const char *pool_name, int nbytes, int entropy_count,
117		 unsigned long IP),
118
119	TP_ARGS(pool_name, nbytes, entropy_count, IP)
120);
121
122DEFINE_EVENT(random__extract_entropy, extract_entropy_user,
123	TP_PROTO(const char *pool_name, int nbytes, int entropy_count,
124		 unsigned long IP),
125
126	TP_ARGS(pool_name, nbytes, entropy_count, IP)
127);
128
129
130
131#endif /* _TRACE_RANDOM_H */
132
133/* This part must be outside protection */
134#include <trace/define_trace.h>