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 <net/sock.h>
   9
  10 LTTNG_TRACEPOINT_EVENT(sock_rcvqueue_full,
  11
  12         TP_PROTO(struct sock *sk, struct sk_buff *skb),
  13
  14         TP_ARGS(sk, skb),
  15
  16         TP_STRUCT__entry(
  17                 __field(int, rmem_alloc)
  18                 __field(unsigned int, truesize)
  19                 __field(int, sk_rcvbuf)
  20         ),
  21
  22         TP_fast_assign(
  23                 tp_assign(rmem_alloc, atomic_read(&sk->sk_rmem_alloc))
  24                 tp_assign(truesize, skb->truesize)
  25                 tp_assign(sk_rcvbuf, sk->sk_rcvbuf)
  26         ),
  27
  28         TP_printk("rmem_alloc=%d truesize=%u sk_rcvbuf=%d",
  29                 __entry->rmem_alloc, __entry->truesize, __entry->sk_rcvbuf)
  30 )
  31
  32 LTTNG_TRACEPOINT_EVENT(sock_exceed_buf_limit,
  33
  34         TP_PROTO(struct sock *sk, struct proto *prot, long allocated),
  35
  36         TP_ARGS(sk, prot, allocated),
  37
  38         TP_STRUCT__entry(
  39                 __string(name, prot->name)
  40                 __array(long, sysctl_mem, 3)
  41                 __field(long, allocated)
  42                 __field(int, sysctl_rmem)
  43                 __field(int, rmem_alloc)
  44         ),
  45
  46         TP_fast_assign(
  47                 tp_strcpy(name, prot->name)
  48                 tp_memcpy(sysctl_mem, prot->sysctl_mem, 3 * sizeof(long))
  49                 tp_assign(allocated, allocated)
  50                 tp_assign(sysctl_rmem, prot->sysctl_rmem[0])
  51                 tp_assign(rmem_alloc, atomic_read(&sk->sk_rmem_alloc))
  52         ),
  53
  54         TP_printk("proto:%s sysctl_mem=%ld,%ld,%ld allocated=%ld "
  55                 "sysctl_rmem=%d rmem_alloc=%d",
  56                 __entry->name,
  57                 __entry->sysctl_mem[0],
  58                 __entry->sysctl_mem[1],
  59                 __entry->sysctl_mem[2],
  60                 __entry->allocated,
  61                 __entry->sysctl_rmem,
  62                 __entry->rmem_alloc)
  63 )
  64
  65 #endif /* LTTNG_TRACE_SOCK_H */
  66
  67 /* This part must be outside protection */
  68 #include "../../../probes/define_trace.h"