instrumentation/events/lttng-module/sock.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #undef TRACE_SYSTEM
   3 #define TRACE_SYSTEM sock
   4
   5 #if !defined(LTTNG_TRACE_SOCK_H) || defined(TRACE_HEADER_MULTI_READ)
   6 #define LTTNG_TRACE_SOCK_H
   7
   8 #include <probes/lttng-tracepoint-event.h>
   9 #include <linux/version.h>
  10 #include <net/sock.h>
  11
  12 LTTNG_TRACEPOINT_EVENT(sock_rcvqueue_full,
  13
  14         TP_PROTO(struct sock *sk, struct sk_buff *skb),
  15
  16         TP_ARGS(sk, skb),
  17
  18         TP_FIELDS(
  19                 ctf_integer(int, rmem_alloc, atomic_read(&sk->sk_rmem_alloc))
  20                 ctf_integer(unsigned int, truesize, skb->truesize)
  21                 ctf_integer(int, sk_rcvbuf, sk->sk_rcvbuf)
  22         )
  23 )
  24
  25 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,15,0))
  26
  27 LTTNG_TRACEPOINT_EVENT(sock_exceed_buf_limit,
  28
  29         TP_PROTO(struct sock *sk, struct proto *prot, long allocated),
  30
  31         TP_ARGS(sk, prot, allocated),
  32
  33         TP_FIELDS(
  34                 ctf_string(name, prot->name)
  35                 ctf_array(long, sysctl_mem, prot->sysctl_mem, 3)
  36                 ctf_integer(long, allocated, allocated)
  37                 ctf_integer(int, sysctl_rmem, sk_get_rmem0(sk, prot))
  38                 ctf_integer(int, rmem_alloc, atomic_read(&sk->sk_rmem_alloc))
  39         )
  40 )
  41
  42 #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,15,0)) */
  43
  44 LTTNG_TRACEPOINT_EVENT(sock_exceed_buf_limit,
  45
  46         TP_PROTO(struct sock *sk, struct proto *prot, long allocated),
  47
  48         TP_ARGS(sk, prot, allocated),
  49
  50         TP_FIELDS(
  51                 ctf_string(name, prot->name)
  52                 ctf_array(long, sysctl_mem, prot->sysctl_mem, 3)
  53                 ctf_integer(long, allocated, allocated)
  54                 ctf_integer(int, sysctl_rmem, prot->sysctl_rmem[0])
  55                 ctf_integer(int, rmem_alloc, atomic_read(&sk->sk_rmem_alloc))
  56         )
  57 )
  58
  59 #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,15,0)) */
  60
  61 #endif /* LTTNG_TRACE_SOCK_H */
  62
  63 /* This part must be outside protection */
  64 #include <probes/define_trace.h>