1 /* Copyright (c) 2004-2019. The SimGrid Team. All rights reserved. */
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. */
6 #ifndef MSG_PRIVATE_HPP
7 #define MSG_PRIVATE_HPP
9 #include "simgrid/msg.h"
10 #include "src/kernel/activity/CommImpl.hpp"
11 #include "src/kernel/activity/ExecImpl.hpp"
12 #include <simgrid/modelchecker.h>
14 /**************** datatypes **********************************/
18 std::string name_ = "";
19 std::string tracing_category_ = "";
20 void* userdata_ = nullptr;
24 explicit Task(std::string name, double flops_amount, double bytes_amount, void* data)
25 : name_(std::move(name)), userdata_(data), flops_amount(flops_amount), bytes_amount(bytes_amount)
27 static std::atomic_ullong counter{0};
30 MC_ignore_heap(&(id_), sizeof(id_));
32 Task(const Task&) = delete;
33 Task& operator=(const Task&) = delete;
36 void set_not_used() { this->is_used = false; }
38 const std::string& get_name() const { return name_; }
39 const char* get_cname() { return name_.c_str(); }
40 void set_name(const char* new_name) { name_ = std::string(new_name); }
41 void set_tracing_category(const char* category) { tracing_category_ = category ? std::string(category) : ""; }
42 const std::string& get_tracing_category() { return tracing_category_; }
43 bool has_tracing_category() { return not tracing_category_.empty(); }
44 void* get_user_data() { return userdata_; }
45 void set_user_data(void* data) { userdata_ = data; }
46 long long int get_id() { return id_; }
48 kernel::activity::ExecImplPtr compute = nullptr; /* SIMIX modeling of computation */
49 s4u::CommPtr comm = nullptr; /* S4U modeling of communication */
50 double flops_amount = 0.0; /* Computation size */
51 double bytes_amount = 0.0; /* Data size */
52 msg_process_t sender = nullptr;
53 msg_process_t receiver = nullptr;
55 double priority = 1.0;
56 double bound = 0.0; /* Capping for CPU resource, or 0 for no capping */
57 double rate = -1; /* Capping for network resource, or -1 for no capping*/
59 bool is_used = false; /* Indicates whether the task is used in SIMIX currently */
60 int host_nb = 0; /* ==0 if sequential task; parallel task if not */
61 /******* Parallel Tasks Only !!!! *******/
62 sg_host_t* host_list = nullptr;
63 double* flops_parallel_amount = nullptr;
64 double* bytes_parallel_amount = nullptr;
67 void report_multiple_use() const;
72 msg_task_t task_sent; /* task sent (NULL for the receiver) */
73 msg_task_t* task_received; /* where the task will be received (NULL for the sender) */
74 s4u::CommPtr s_comm; /* SIMIX communication object encapsulated (the same for both processes) */
75 msg_error_t status = MSG_OK; /* status of the communication once finished */
76 Comm(msg_task_t sent, msg_task_t* received, s4u::CommPtr comm)
77 : task_sent(sent), task_received(received), s_comm(std::move(comm))
83 } // namespace simgrid
85 /************************** Global variables ********************************/
86 struct s_MSG_Global_t {
87 bool debug_multiple_use; /* whether we want an error message when reusing the same Task for 2 things */
88 std::atomic_int_fast32_t sent_msg; /* Total amount of messages sent during the simulation */
89 void (*task_copy_callback)(msg_task_t task, msg_process_t src, msg_process_t dst);
90 void_f_pvoid_t process_data_cleanup;
92 typedef s_MSG_Global_t* MSG_Global_t;
94 XBT_PUBLIC_DATA MSG_Global_t msg_global;
96 /*************************************************************/
97 XBT_PRIVATE void MSG_comm_copy_data_from_SIMIX(simgrid::kernel::activity::CommImpl* comm, void* buff, size_t buff_size);
99 /********** Tracing **********/
100 /* declaration of instrumentation functions from msg_task_instr.c */
101 XBT_PRIVATE void TRACE_msg_task_put_start(msg_task_t task);