instrumentation/events/lttng-module/random.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 #undef TRACE_SYSTEM
   3 #define TRACE_SYSTEM random
   4
   5 #if !defined(LTTNG_TRACE_RANDOM_H) || defined(TRACE_HEADER_MULTI_READ)
   6 #define LTTNG_TRACE_RANDOM_H
   7
   8 #include <probes/lttng-tracepoint-event.h>
   9 #include <linux/writeback.h>
  10
  11 LTTNG_TRACEPOINT_EVENT_CLASS(random__mix_pool_bytes,
  12         TP_PROTO(const char *pool_name, int bytes, unsigned long IP),
  13
  14         TP_ARGS(pool_name, bytes, IP),
  15
  16         TP_FIELDS(
  17                 ctf_string(pool_name, pool_name)
  18                 ctf_integer(int, bytes, bytes)
  19                 ctf_integer_hex(unsigned long, IP, IP)
  20         )
  21 )
  22
  23 LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(random__mix_pool_bytes, mix_pool_bytes,
  24
  25         random_mix_pool_bytes,
  26
  27         TP_PROTO(const char *pool_name, int bytes, unsigned long IP),
  28
  29         TP_ARGS(pool_name, bytes, IP)
  30 )
  31
  32 LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(random__mix_pool_bytes, mix_pool_bytes_nolock,
  33
  34         random_mix_pool_bytes_nolock,
  35
  36         TP_PROTO(const char *pool_name, int bytes, unsigned long IP),
  37
  38         TP_ARGS(pool_name, bytes, IP)
  39 )
  40
  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_hex(unsigned long, IP, IP)
  55         )
  56 )
  57
  58 LTTNG_TRACEPOINT_EVENT_MAP(get_random_bytes,
  59
  60         random_get_random_bytes,
  61
  62         TP_PROTO(int nbytes, unsigned long IP),
  63
  64         TP_ARGS(nbytes, IP),
  65
  66         TP_FIELDS(
  67                 ctf_integer(int, nbytes, nbytes)
  68                 ctf_integer_hex(unsigned long, IP, IP)
  69         )
  70 )
  71
  72 LTTNG_TRACEPOINT_EVENT_CLASS(random__extract_entropy,
  73         TP_PROTO(const char *pool_name, int nbytes, int entropy_count,
  74                  unsigned long IP),
  75
  76         TP_ARGS(pool_name, nbytes, entropy_count, IP),
  77
  78         TP_FIELDS(
  79                 ctf_string(pool_name, pool_name)
  80                 ctf_integer(int, nbytes, nbytes)
  81                 ctf_integer(int, entropy_count, entropy_count)
  82                 ctf_integer_hex(unsigned long, IP, IP)
  83         )
  84 )
  85
  86
  87 LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(random__extract_entropy, extract_entropy,
  88
  89         random_extract_entropy,
  90
  91         TP_PROTO(const char *pool_name, int nbytes, int entropy_count,
  92                  unsigned long IP),
  93
  94         TP_ARGS(pool_name, nbytes, entropy_count, IP)
  95 )
  96
  97 LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(random__extract_entropy, extract_entropy_user,
  98
  99         random_extract_entropy_user,
 100
 101         TP_PROTO(const char *pool_name, int nbytes, int entropy_count,
 102                  unsigned long IP),
 103
 104         TP_ARGS(pool_name, nbytes, entropy_count, IP)
 105 )
 106
 107
 108
 109 #endif /* LTTNG_TRACE_RANDOM_H */
 110
 111 /* This part must be outside protection */
 112 #include <probes/define_trace.h>