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[simgrid.git] / 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     simgrid::instr::Type* type = PJ_type_get("MSG_PROCESS_LINK", PJ_type_get_root());
41     new simgrid::instr::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 simgrid::instr::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), simgrid::instr::INSTR_MSG_PROCESS,
64                      host_container);
65   }
66 }
67
68 void TRACE_msg_process_destroy (const char *process_name, int process_pid)
69 {
70   if (TRACE_msg_process_is_enabled()) {
71     int len = INSTR_DEFAULT_STR_SIZE;
72     char str[INSTR_DEFAULT_STR_SIZE];
73
74     container_t process = PJ_container_get_or_null(instr_process_id_2(process_name, process_pid, str, len));
75     if (process) {
76       PJ_container_remove_from_parent (process);
77       PJ_container_free (process);
78     }
79   }
80 }
81
82 void TRACE_msg_process_kill(smx_process_exit_status_t status, msg_process_t process)
83 {
84   if (TRACE_msg_process_is_enabled() && status==SMX_EXIT_FAILURE){
85     //kill means that this process no longer exists, let's destroy it
86     TRACE_msg_process_destroy(process->getCname(), process->getPid());
87   }
88 }
89
90 void TRACE_msg_process_suspend(msg_process_t process)
91 {
92   if (TRACE_msg_process_is_enabled()){
93     int len = INSTR_DEFAULT_STR_SIZE;
94     char str[INSTR_DEFAULT_STR_SIZE];
95
96     container_t process_container = PJ_container_get (instr_process_id(process, str, len));
97     simgrid::instr::Type* type    = PJ_type_get("MSG_PROCESS_STATE", process_container->type_);
98     simgrid::instr::Value* val    = simgrid::instr::Value::get("suspend", type);
99     new simgrid::instr::PushStateEvent(MSG_get_clock(), process_container, type, val);
100   }
101 }
102
103 void TRACE_msg_process_resume(msg_process_t process)
104 {
105   if (TRACE_msg_process_is_enabled()){
106     int len = INSTR_DEFAULT_STR_SIZE;
107     char str[INSTR_DEFAULT_STR_SIZE];
108
109     container_t process_container = PJ_container_get (instr_process_id(process, str, len));
110     simgrid::instr::Type* type    = PJ_type_get("MSG_PROCESS_STATE", process_container->type_);
111     new simgrid::instr::PopStateEvent(MSG_get_clock(), process_container, type);
112   }
113 }
114
115 void TRACE_msg_process_sleep_in(msg_process_t process)
116 {
117   if (TRACE_msg_process_is_enabled()){
118     int len = INSTR_DEFAULT_STR_SIZE;
119     char str[INSTR_DEFAULT_STR_SIZE];
120
121     container_t process_container = PJ_container_get (instr_process_id(process, str, len));
122     simgrid::instr::Type* type    = PJ_type_get("MSG_PROCESS_STATE", process_container->type_);
123     simgrid::instr::Value* val    = simgrid::instr::Value::get("sleep", type);
124     new simgrid::instr::PushStateEvent(MSG_get_clock(), process_container, type, val);
125   }
126 }
127
128 void TRACE_msg_process_sleep_out(msg_process_t process)
129 {
130   if (TRACE_msg_process_is_enabled()){
131     int len = INSTR_DEFAULT_STR_SIZE;
132     char str[INSTR_DEFAULT_STR_SIZE];
133
134     container_t process_container = PJ_container_get (instr_process_id(process, str, len));
135     simgrid::instr::Type* type    = PJ_type_get("MSG_PROCESS_STATE", process_container->type_);
136     new simgrid::instr::PopStateEvent(MSG_get_clock(), process_container, type);
137   }
138 }