instrumentation/events/lttng-module/random.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   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(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                  int entropy_total, unsigned long IP),
  47
  48         TP_ARGS(pool_name, bits, entropy_count, entropy_total, 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(int, entropy_total, entropy_total)
  55                 ctf_integer(unsigned long, IP, IP)
  56         )
  57 )
  58
  59 LTTNG_TRACEPOINT_EVENT_MAP(get_random_bytes,
  60
  61         random_get_random_bytes,
  62
  63         TP_PROTO(int nbytes, unsigned long IP),
  64
  65         TP_ARGS(nbytes, IP),
  66
  67         TP_FIELDS(
  68                 ctf_integer(int, nbytes, nbytes)
  69                 ctf_integer(unsigned long, IP, IP)
  70         )
  71 )
  72
  73 LTTNG_TRACEPOINT_EVENT_CLASS(random__extract_entropy,
  74         TP_PROTO(const char *pool_name, int nbytes, int entropy_count,
  75                  unsigned long IP),
  76
  77         TP_ARGS(pool_name, nbytes, entropy_count, IP),
  78
  79         TP_FIELDS(
  80                 ctf_string(pool_name, pool_name)
  81                 ctf_integer(int, nbytes, nbytes)
  82                 ctf_integer(int, entropy_count, entropy_count)
  83                 ctf_integer(unsigned long, IP, IP)
  84         )
  85 )
  86
  87
  88 LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(random__extract_entropy, extract_entropy,
  89
  90         random_extract_entropy,
  91
  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
  98 LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(random__extract_entropy, extract_entropy_user,
  99
 100         random_extract_entropy_user,
 101
 102         TP_PROTO(const char *pool_name, int nbytes, int entropy_count,
 103                  unsigned long IP),
 104
 105         TP_ARGS(pool_name, nbytes, entropy_count, IP)
 106 )
 107
 108
 109
 110 #endif /* LTTNG_TRACE_RANDOM_H */
 111
 112 /* This part must be outside protection */
 113 #include <probes/define_trace.h>