src/msg/instr_msg_process.cpp

   1 /* Copyright (c) 2010, 2012-2017. The SimGrid Team. All rights reserved.    */
   2
   3 /* This program is free software; you can redistribute it and/or modify it
   4  * under the terms of the license (GNU LGPL) which comes with this package. */
   5
   6 #include "simgrid/s4u/Host.hpp"
   7 #include "src/instr/instr_private.h"
   8 #include "src/msg/msg_private.h"
   9 #include "src/simix/ActorImpl.hpp"
  10
  11 XBT_LOG_NEW_DEFAULT_SUBCATEGORY (instr_msg_process, instr, "MSG process");
  12
  13 char *instr_process_id (msg_process_t proc, char *str, int len)
  14 {
  15   return instr_process_id_2(proc->getCname(), proc->getPid(), str, len);
  16 }
  17
  18 char *instr_process_id_2 (const char *process_name, int process_pid, char *str, int len)
  19 {
  20   snprintf (str, len, "%s-%d", process_name, process_pid);
  21   return str;
  22 }
  23
  24 /*
  25  * Instrumentation functions to trace MSG processes (msg_process_t)
  26  */
  27 void TRACE_msg_process_change_host(msg_process_t process, msg_host_t new_host)
  28 {
  29   if (TRACE_msg_process_is_enabled()){
  30     static long long int counter = 0;
  31
  32     char key[INSTR_DEFAULT_STR_SIZE];
  33     snprintf (key, INSTR_DEFAULT_STR_SIZE, "%lld", counter++);
  34
  35     int len = INSTR_DEFAULT_STR_SIZE;
  36     char str[INSTR_DEFAULT_STR_SIZE];
  37
  38     //start link
  39     container_t msg = PJ_container_get (instr_process_id(process, str, len));
  40     Type* type = PJ_type_get ("MSG_PROCESS_LINK", PJ_type_get_root());
  41     new StartLinkEvent (MSG_get_clock(), PJ_container_get_root(), type, msg, "M", key);
  42
  43     //destroy existing container of this process
  44     TRACE_msg_process_destroy (MSG_process_get_name (process), MSG_process_get_PID (process));
  45
  46     //create new container on the new_host location
  47     TRACE_msg_process_create (MSG_process_get_name (process), MSG_process_get_PID (process), new_host);
  48
  49     //end link
  50     msg = PJ_container_get(instr_process_id(process, str, len));
  51     type = PJ_type_get ("MSG_PROCESS_LINK", PJ_type_get_root());
  52     new EndLinkEvent (MSG_get_clock(), PJ_container_get_root(), type, msg, "M", key);
  53   }
  54 }
  55
  56 void TRACE_msg_process_create (const char *process_name, int process_pid, msg_host_t host)
  57 {
  58   if (TRACE_msg_process_is_enabled()){
  59     int len = INSTR_DEFAULT_STR_SIZE;
  60     char str[INSTR_DEFAULT_STR_SIZE];
  61
  62     container_t host_container = PJ_container_get(host->getCname());
  63     PJ_container_new(instr_process_id_2(process_name, process_pid, str, len), INSTR_MSG_PROCESS, host_container);
  64   }
  65 }
  66
  67 void TRACE_msg_process_destroy (const char *process_name, int process_pid)
  68 {
  69   if (TRACE_msg_process_is_enabled()) {
  70     int len = INSTR_DEFAULT_STR_SIZE;
  71     char str[INSTR_DEFAULT_STR_SIZE];
  72
  73     container_t process = PJ_container_get_or_null(instr_process_id_2(process_name, process_pid, str, len));
  74     if (process) {
  75       PJ_container_remove_from_parent (process);
  76       PJ_container_free (process);
  77     }
  78   }
  79 }
  80
  81 void TRACE_msg_process_kill(smx_process_exit_status_t status, msg_process_t process)
  82 {
  83   if (TRACE_msg_process_is_enabled() && status==SMX_EXIT_FAILURE){
  84     //kill means that this process no longer exists, let's destroy it
  85     TRACE_msg_process_destroy(process->getCname(), process->getPid());
  86   }
  87 }
  88
  89 void TRACE_msg_process_suspend(msg_process_t process)
  90 {
  91   if (TRACE_msg_process_is_enabled()){
  92     int len = INSTR_DEFAULT_STR_SIZE;
  93     char str[INSTR_DEFAULT_STR_SIZE];
  94
  95     container_t process_container = PJ_container_get (instr_process_id(process, str, len));
  96     Type* type = PJ_type_get ("MSG_PROCESS_STATE", process_container->type);
  97     Value* val                    = Value::get("suspend", type);
  98     new PushStateEvent(MSG_get_clock(), process_container, type, val);
  99   }
 100 }
 101
 102 void TRACE_msg_process_resume(msg_process_t process)
 103 {
 104   if (TRACE_msg_process_is_enabled()){
 105     int len = INSTR_DEFAULT_STR_SIZE;
 106     char str[INSTR_DEFAULT_STR_SIZE];
 107
 108     container_t process_container = PJ_container_get (instr_process_id(process, str, len));
 109     Type* type = PJ_type_get ("MSG_PROCESS_STATE", process_container->type);
 110     new PopStateEvent (MSG_get_clock(), process_container, type);
 111   }
 112 }
 113
 114 void TRACE_msg_process_sleep_in(msg_process_t process)
 115 {
 116   if (TRACE_msg_process_is_enabled()){
 117     int len = INSTR_DEFAULT_STR_SIZE;
 118     char str[INSTR_DEFAULT_STR_SIZE];
 119
 120     container_t process_container = PJ_container_get (instr_process_id(process, str, len));
 121     Type* type = PJ_type_get ("MSG_PROCESS_STATE", process_container->type);
 122     Value* val                    = Value::get("sleep", type);
 123     new PushStateEvent(MSG_get_clock(), process_container, type, val);
 124   }
 125 }
 126
 127 void TRACE_msg_process_sleep_out(msg_process_t process)
 128 {
 129   if (TRACE_msg_process_is_enabled()){
 130     int len = INSTR_DEFAULT_STR_SIZE;
 131     char str[INSTR_DEFAULT_STR_SIZE];
 132
 133     container_t process_container = PJ_container_get (instr_process_id(process, str, len));
 134     Type* type = PJ_type_get ("MSG_PROCESS_STATE", process_container->type);
 135     new PopStateEvent (MSG_get_clock(), process_container, type);
 136   }
 137 }