instrumentation/events/lttng-module/sock.h

   1 #undef TRACE_SYSTEM
   2 #define TRACE_SYSTEM sock
   3
   4 #if !defined(LTTNG_TRACE_SOCK_H) || defined(TRACE_HEADER_MULTI_READ)
   5 #define LTTNG_TRACE_SOCK_H
   6
   7 #include <probes/lttng-tracepoint-event.h>
   8 #include <linux/version.h>
   9 #include <net/sock.h>
  10
  11 LTTNG_TRACEPOINT_EVENT(sock_rcvqueue_full,
  12
  13         TP_PROTO(struct sock *sk, struct sk_buff *skb),
  14
  15         TP_ARGS(sk, skb),
  16
  17         TP_FIELDS(
  18                 ctf_integer(int, rmem_alloc, atomic_read(&sk->sk_rmem_alloc))
  19                 ctf_integer(unsigned int, truesize, skb->truesize)
  20                 ctf_integer(int, sk_rcvbuf, sk->sk_rcvbuf)
  21         )
  22 )
  23
  24 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,19,0))
  25
  26 LTTNG_TRACEPOINT_EVENT(sock_exceed_buf_limit,
  27
  28         TP_PROTO(struct sock *sk, struct proto *prot, long allocated, int kind),
  29
  30         TP_ARGS(sk, prot, allocated, kind),
  31
  32         TP_FIELDS(
  33                 ctf_string(name, prot->name)
  34                 ctf_array(long, sysctl_mem, prot->sysctl_mem, 3)
  35                 ctf_integer(long, allocated, allocated)
  36                 ctf_integer(int, sysctl_rmem, sk_get_rmem0(sk, prot))
  37                 ctf_integer(int, rmem_alloc, atomic_read(&sk->sk_rmem_alloc))
  38                 ctf_integer(int, sysctl_wmem, sk_get_wmem0(sk, prot))
  39                 ctf_integer(int, wmem_alloc, refcount_read(&sk->sk_wmem_alloc))
  40                 ctf_integer(int, wmem_queued, sk->sk_wmem_queued)
  41                 ctf_integer(int, kind, kind)
  42         )
  43 )
  44
  45 #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,15,0))
  46
  47 LTTNG_TRACEPOINT_EVENT(sock_exceed_buf_limit,
  48
  49         TP_PROTO(struct sock *sk, struct proto *prot, long allocated),
  50
  51         TP_ARGS(sk, prot, allocated),
  52
  53         TP_FIELDS(
  54                 ctf_string(name, prot->name)
  55                 ctf_array(long, sysctl_mem, prot->sysctl_mem, 3)
  56                 ctf_integer(long, allocated, allocated)
  57                 ctf_integer(int, sysctl_rmem, sk_get_rmem0(sk, prot))
  58                 ctf_integer(int, rmem_alloc, atomic_read(&sk->sk_rmem_alloc))
  59         )
  60 )
  61
  62 #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,15,0)) */
  63
  64 LTTNG_TRACEPOINT_EVENT(sock_exceed_buf_limit,
  65
  66         TP_PROTO(struct sock *sk, struct proto *prot, long allocated),
  67
  68         TP_ARGS(sk, prot, allocated),
  69
  70         TP_FIELDS(
  71                 ctf_string(name, prot->name)
  72                 ctf_array(long, sysctl_mem, prot->sysctl_mem, 3)
  73                 ctf_integer(long, allocated, allocated)
  74                 ctf_integer(int, sysctl_rmem, prot->sysctl_rmem[0])
  75                 ctf_integer(int, rmem_alloc, atomic_read(&sk->sk_rmem_alloc))
  76         )
  77 )
  78
  79 #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,15,0)) */
  80
  81 #endif /* LTTNG_TRACE_SOCK_H */
  82
  83 /* This part must be outside protection */
  84 #include <probes/define_trace.h>