instrumentation/events/lttng-module/random.h

   1 #undef TRACE_SYSTEM
   2 #define TRACE_SYSTEM random
   3
   4 #if !defined(LTTNG_TRACE_RANDOM_H) || defined(TRACE_HEADER_MULTI_READ)
   5 #define LTTNG_TRACE_RANDOM_H
   6
   7 #include <probes/lttng-tracepoint-event.h>
   8 #include <linux/writeback.h>
   9
  10 LTTNG_TRACEPOINT_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_FIELDS(
  16                 ctf_string(pool_name, pool_name)
  17                 ctf_integer(int, bytes, bytes)
  18                 ctf_integer(unsigned long, IP, IP)
  19         )
  20 )
  21
  22 LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(random__mix_pool_bytes, mix_pool_bytes,
  23
  24         random_mix_pool_bytes,
  25
  26         TP_PROTO(const char *pool_name, int bytes, unsigned long IP),
  27
  28         TP_ARGS(pool_name, bytes, IP)
  29 )
  30
  31 LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(random__mix_pool_bytes, mix_pool_bytes_nolock,
  32
  33         random_mix_pool_bytes_nolock,
  34
  35         TP_PROTO(const char *pool_name, int bytes, unsigned long IP),
  36
  37         TP_ARGS(pool_name, bytes, IP)
  38 )
  39
  40 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,2,0))
  41 LTTNG_TRACEPOINT_EVENT_MAP(credit_entropy_bits,
  42
  43         random_credit_entropy_bits,
  44
  45         TP_PROTO(const char *pool_name, int bits, int entropy_count,
  46                  unsigned long IP),
  47
  48         TP_ARGS(pool_name, bits, entropy_count, IP),
  49
  50         TP_FIELDS(
  51                 ctf_string(pool_name, pool_name)
  52                 ctf_integer(int, bits, bits)
  53                 ctf_integer(int, entropy_count, entropy_count)
  54                 ctf_integer(unsigned long, IP, IP)
  55         )
  56 )
  57 #else
  58 LTTNG_TRACEPOINT_EVENT_MAP(credit_entropy_bits,
  59
  60         random_credit_entropy_bits,
  61
  62         TP_PROTO(const char *pool_name, int bits, int entropy_count,
  63                  int entropy_total, unsigned long IP),
  64
  65         TP_ARGS(pool_name, bits, entropy_count, entropy_total, IP),
  66
  67         TP_FIELDS(
  68                 ctf_string(pool_name, pool_name)
  69                 ctf_integer(int, bits, bits)
  70                 ctf_integer(int, entropy_count, entropy_count)
  71                 ctf_integer(int, entropy_total, entropy_total)
  72                 ctf_integer(unsigned long, IP, IP)
  73         )
  74 )
  75 #endif
  76
  77 LTTNG_TRACEPOINT_EVENT_MAP(get_random_bytes,
  78
  79         random_get_random_bytes,
  80
  81         TP_PROTO(int nbytes, unsigned long IP),
  82
  83         TP_ARGS(nbytes, IP),
  84
  85         TP_FIELDS(
  86                 ctf_integer(int, nbytes, nbytes)
  87                 ctf_integer(unsigned long, IP, IP)
  88         )
  89 )
  90
  91 LTTNG_TRACEPOINT_EVENT_CLASS(random__extract_entropy,
  92         TP_PROTO(const char *pool_name, int nbytes, int entropy_count,
  93                  unsigned long IP),
  94
  95         TP_ARGS(pool_name, nbytes, entropy_count, IP),
  96
  97         TP_FIELDS(
  98                 ctf_string(pool_name, pool_name)
  99                 ctf_integer(int, nbytes, nbytes)
 100                 ctf_integer(int, entropy_count, entropy_count)
 101                 ctf_integer(unsigned long, IP, IP)
 102         )
 103 )
 104
 105
 106 LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(random__extract_entropy, extract_entropy,
 107
 108         random_extract_entropy,
 109
 110         TP_PROTO(const char *pool_name, int nbytes, int entropy_count,
 111                  unsigned long IP),
 112
 113         TP_ARGS(pool_name, nbytes, entropy_count, IP)
 114 )
 115
 116 LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(random__extract_entropy, extract_entropy_user,
 117
 118         random_extract_entropy_user,
 119
 120         TP_PROTO(const char *pool_name, int nbytes, int entropy_count,
 121                  unsigned long IP),
 122
 123         TP_ARGS(pool_name, nbytes, entropy_count, IP)
 124 )
 125
 126
 127
 128 #endif /* LTTNG_TRACE_RANDOM_H */
 129
 130 /* This part must be outside protection */
 131 #include <probes/define_trace.h>