probes/ipc-trace.c

   1 /*
   2  * ltt/probes/ipc-trace.c
   3  *
   4  * IPC tracepoint probes.
   5  *
   6  * (C) Copyright 2009 - Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
   7  * Dual LGPL v2.1/GPL v2 license.
   8  */
   9
  10 #include <linux/module.h>
  11 #include <trace/ipc.h>
  12
  13 void probe_ipc_msg_create(void *data, long id, int flags)
  14 {
  15         trace_mark_tp(ipc, msg_create, ipc_msg_create, probe_ipc_msg_create,
  16                 "id %ld flags %d", id, flags);
  17 }
  18
  19 void probe_ipc_sem_create(void *data, long id, int flags)
  20 {
  21         trace_mark_tp(ipc, sem_create, ipc_sem_create, probe_ipc_sem_create,
  22                 "id %ld flags %d", id, flags);
  23 }
  24
  25 void probe_ipc_shm_create(void *data, long id, int flags)
  26 {
  27         trace_mark_tp(ipc, shm_create, ipc_shm_create, probe_ipc_shm_create,
  28                 "id %ld flags %d", id, flags);
  29 }
  30
  31 void probe_ipc_call(void *data, unsigned int call, unsigned int first)
  32 {
  33         trace_mark_tp(ipc, call, ipc_call, probe_ipc_call,
  34                 "call %u first %d", call, first);
  35 }
  36
  37 MODULE_LICENSE("GPL and additional rights");
  38 MODULE_AUTHOR("Mathieu Desnoyers");
  39 MODULE_DESCRIPTION("IPC Tracepoint Probes");