1 /* Copyright (c) 2007-2014. The SimGrid Team.
2 * All rights reserved. */
4 /* This program is free software; you can redistribute it and/or modify it
5 * under the terms of the license (GNU LGPL) which comes with this package. */
10 #include "simgrid_config.h"
17 #include <elfutils/libdw.h>
21 #include "mc/datatypes.h"
23 #include "xbt/config.h"
24 #include "xbt/function_types.h"
25 #include "xbt/mmalloc.h"
26 #include "../simix/smx_private.h"
27 #include "../xbt/mmalloc/mmprivate.h"
28 #include "xbt/automaton.h"
31 #include "msg/datatypes.h"
32 #include "xbt/strbuff.h"
33 #include "xbt/parmap.h"
35 #include "mc_forward.h"
39 typedef struct s_mc_function_index_item s_mc_function_index_item_t, *mc_function_index_item_t;
41 /****************************** Snapshots ***********************************/
43 extern xbt_dynar_t mc_checkpoint_ignore;
45 /********************************* MC Global **********************************/
47 extern FILE *dot_output;
48 extern const char* colors[13];
49 extern xbt_parmap_t parmap;
51 extern int user_max_depth_reached;
53 int MC_deadlock_check(void);
54 void MC_replay(xbt_fifo_t stack, int start);
55 void MC_replay_liveness(xbt_fifo_t stack, int all_stack);
56 void MC_show_deadlock(smx_simcall_t req);
57 void MC_show_stack_safety(xbt_fifo_t stack);
58 void MC_dump_stack_safety(xbt_fifo_t stack);
60 /** Stack (of `mc_state_t`) representing the current position of the
61 * the MC in the exploration graph
63 * It is managed by its head (`xbt_fifo_shift` and `xbt_fifo_unshift`).
65 extern xbt_fifo_t mc_stack;
67 int get_search_interval(xbt_dynar_t list, void *ref, int *min, int *max);
70 /****************************** Statistics ************************************/
72 typedef struct mc_stats {
73 unsigned long state_size;
74 unsigned long visited_states;
75 unsigned long visited_pairs;
76 unsigned long expanded_states;
77 unsigned long expanded_pairs;
78 unsigned long executed_transitions;
79 } s_mc_stats_t, *mc_stats_t;
81 extern mc_stats_t mc_stats;
83 void MC_print_statistics(mc_stats_t stats);
85 /********************************** Snapshot comparison **********************************/
87 typedef struct s_mc_comparison_times{
88 double nb_processes_comparison_time;
89 double bytes_used_comparison_time;
90 double stacks_sizes_comparison_time;
91 double binary_global_variables_comparison_time;
92 double libsimgrid_global_variables_comparison_time;
93 double heap_comparison_time;
94 double stacks_comparison_time;
95 }s_mc_comparison_times_t, *mc_comparison_times_t;
97 extern __thread mc_comparison_times_t mc_comp_times;
98 extern __thread double mc_snapshot_comparison_time;
100 int snapshot_compare(void *state1, void *state2);
101 void print_comparison_times(void);
106 /********************************** Variables with DWARF **********************************/
108 void MC_find_object_address(memory_map_t maps, mc_object_info_t result);
110 /********************************** Miscellaneous **********************************/
112 typedef struct s_local_variable{
113 dw_frame_t subprogram;
119 }s_local_variable_t, *local_variable_t;
121 /* *********** Sets *********** */
123 typedef struct s_mc_address_set *mc_address_set_t;
125 mc_address_set_t mc_address_set_new(void);
126 void mc_address_set_free(mc_address_set_t* p);
127 void mc_address_add(mc_address_set_t p, const void* value);
128 bool mc_address_test(mc_address_set_t p, const void* value);
130 /* *********** Hash *********** */
132 /** \brief Hash the current state
133 * \param num_state number of states
134 * \param stacks stacks (mc_snapshot_stak_t) used fot the stack unwinding informations
135 * \result resulting hash
137 uint64_t mc_hash_processes_state(int num_state, xbt_dynar_t stacks);
139 /* *********** Snapshot *********** */
141 #define MC_LOG_REQUEST(log, req, value) \
142 if (XBT_LOG_ISENABLED(log, xbt_log_priority_debug)) { \
143 char* req_str = MC_request_to_string(req, value); \
144 XBT_DEBUG("Execute: %s", req_str); \
148 /** @brief Dump the stacks of the application processes
150 * This functions is currently not used but it is quite convenient
151 * to call from the debugger.
153 * Does not work when an application thread is running.
155 void MC_dump_stacks(FILE* file);