static int heap_region_compare(void *d1, void *d2, size_t size);
-static int compare_stack(stack_region_t s1, stack_region_t s2, void *sp1, void *sp2, void *heap1, void *heap2, xbt_dynar_t equals);
static int is_heap_equality(xbt_dynar_t equals, void *a1, void *a2);
static size_t heap_ignore_size(void *address);
static void stack_region_free(stack_region_t s);
static void heap_equality_free(heap_equality_t e);
-static int is_stack_ignore_variable(char *frame, char *var_name);
-static int compare_local_variables(char *s1, char *s2, xbt_dynar_t heap_equals);
+static int compare_local_variables(char *s1, char *s2);
+static int compare_global_variables(int region_type, void *d1, void *d2);
static size_t heap_ignore_size(void *address){
unsigned int cursor = 0;
return 0;
}
-static int compare_global_variables(int region_type, void *d1, void *d2, xbt_dynar_t equals){
+static int compare_global_variables(int region_type, void *d1, void *d2){
unsigned int cursor = 0;
size_t offset;
pointer_align = (i / sizeof(void*)) * sizeof(void*);
addr_pointed1 = *((void **)((char *)d1 + offset + pointer_align));
addr_pointed2 = *((void **)((char *)d2 + offset + pointer_align));
- if((addr_pointed1 > start_plt_libsimgrid && addr_pointed1 < end_plt_libsimgrid) || (addr_pointed2 > start_plt_libsimgrid && addr_pointed2 < end_plt_libsimgrid)){
+ if((addr_pointed1 > start_plt_libsimgrid && addr_pointed1 < end_plt_libsimgrid)
+ || (addr_pointed2 > start_plt_libsimgrid && addr_pointed2 < end_plt_libsimgrid)){
i = current_var->size;
continue;
}else{
- if((addr_pointed1 > std_heap) && ((char *)addr_pointed1 < (char *)std_heap + STD_HEAP_SIZE) && (addr_pointed2 > std_heap) && ((char *)addr_pointed2 < (char *)std_heap + STD_HEAP_SIZE)){
- res_compare = compare_area(addr_pointed1, addr_pointed2, NULL, equals);
+ if((addr_pointed1 > std_heap) && ((char *)addr_pointed1 < (char *)std_heap + STD_HEAP_SIZE)
+ && (addr_pointed2 > std_heap) && ((char *)addr_pointed2 < (char *)std_heap + STD_HEAP_SIZE)){
+ res_compare = compare_area(addr_pointed1, addr_pointed2, NULL);
if(res_compare == 1){
#ifdef MC_VERBOSE
XBT_VERB("Different global variable in libsimgrid : %s at addresses %p - %p (size = %zu)", current_var->name, (char *)d1+offset, (char *)d2+offset, current_var->size);
continue;
}else{
if((addr_pointed1 > std_heap) && ((char *)addr_pointed1 < (char *)std_heap + STD_HEAP_SIZE) && (addr_pointed2 > std_heap) && ((char *)addr_pointed2 < (char *)std_heap + STD_HEAP_SIZE)){
- res_compare = compare_area(addr_pointed1, addr_pointed2, NULL, equals);
+ res_compare = compare_area(addr_pointed1, addr_pointed2, NULL);
if(res_compare == 1){
#ifdef MC_VERBOSE
XBT_VERB("Different global variable in binary : %s at addresses %p - %p (size = %zu)", current_var->name, (char *)d1+offset, (char *)d2+offset, current_var->size);
}
static void heap_equality_free(heap_equality_t e){
- if(e){
- xbt_free(e);
- }
+ xbt_free(e);
}
void heap_equality_free_voidp(void *e){
return snapshot_compare(s1, s2);
}
-int get_heap_region_index(mc_snapshot_t s){
- int i = 0;
- while(i < s->num_reg){
- switch(s->regions[i]->type){
- case 0:
- return i;
- break;
- default:
- i++;
- break;
- }
- }
- return -1;
-}
-
int snapshot_compare(mc_snapshot_t s1, mc_snapshot_t s2){
int raw_mem = (mmalloc_get_current_heap() == raw_heap);
#endif
}
- /* Compare number of blocks/fragments used in each heap */
- if(s1->heap_chunks_used != s2->heap_chunks_used){
+ #ifdef MC_DEBUG
+ xbt_os_timer_start(timer);
+ #endif
+
+ /* Compare number of bytes used in each heap */
+ if(s1->heap_bytes_used != s2->heap_bytes_used){
#ifdef MC_DEBUG
xbt_os_timer_stop(timer);
- mc_comp_times->chunks_used_comparison_time = xbt_os_timer_elapsed(timer);
- XBT_DEBUG("Different number of chunks used in each heap : %zu - %zu", s1->heap_chunks_used, s2->heap_chunks_used);
+ mc_comp_times->bytes_used_comparison_time = xbt_os_timer_elapsed(timer);
+ XBT_DEBUG("Different number of bytes used in each heap : %zu - %zu", s1->heap_bytes_used, s2->heap_bytes_used);
errors++;
#else
#ifdef MC_VERBOSE
- XBT_VERB("Different number of chunks used in each heap : %zu - %zu", s1->heap_chunks_used, s2->heap_chunks_used);
+ XBT_VERB("Different number of bytes used in each heap : %zu - %zu", s1->heap_bytes_used, s2->heap_bytes_used);
#endif
xbt_os_timer_free(timer);
xbt_os_timer_start(timer);
#endif
- int heap_index = 0, data_libsimgrid_index = 0, data_program_index = 0;
- i = 0;
-
- /* Get index of regions */
- while(i < s1->num_reg){
- switch(s1->region_type[i]){
- case 0:
- heap_index = i;
- i++;
- break;
- case 1:
- data_libsimgrid_index = i;
- i++;
- while( i < s1->num_reg && s1->region_type[i] == 1)
- i++;
- break;
- case 2:
- data_program_index = i;
- i++;
- while( i < s1->num_reg && s1->region_type[i] == 2)
- i++;
- break;
+ /* Compare hash of global variables */
+ if(s1->hash_global != NULL && s2->hash_global != NULL){
+ if(strcmp(s1->hash_global, s2->hash_global) != 0){
+ #ifdef MC_DEBUG
+ xbt_os_timer_stop(timer);
+ mc_comp_times->hash_global_variables_comparison_time = xbt_os_timer_elapsed(timer);
+ XBT_DEBUG("Different hash of global variables : %s - %s", s1->hash_global, s2->hash_global);
+ errors++;
+ #else
+ #ifdef MC_VERBOSE
+ XBT_VERB("Different hash of global variables : %s - %s", s1->hash_global, s2->hash_global);
+ #endif
+
+ xbt_os_timer_free(timer);
+ xbt_os_timer_stop(global_timer);
+ mc_snapshot_comparison_time = xbt_os_timer_elapsed(global_timer);
+ xbt_os_timer_free(global_timer);
+
+ if(!raw_mem)
+ MC_UNSET_RAW_MEM;
+
+ return 1;
+ #endif
}
}
- /* Init heap information used in heap comparison algorithm */
- init_heap_information((xbt_mheap_t)s1->regions[heap_index]->data, (xbt_mheap_t)s2->regions[heap_index]->data);
+ #ifdef MC_DEBUG
+ xbt_os_timer_start(timer);
+ #endif
+
+ /* Compare hash of local variables */
+ if(s1->hash_local != NULL && s2->hash_local != NULL){
+ if(strcmp(s1->hash_local, s2->hash_local) != 0){
+ #ifdef MC_DEBUG
+ xbt_os_timer_stop(timer);
+ mc_comp_times->hash_local_variables_comparison_time = xbt_os_timer_elapsed(timer);
+ XBT_DEBUG("Different hash of local variables : %s - %s", s1->hash_local, s2->hash_local);
+ errors++;
+ #else
+ #ifdef MC_VERBOSE
+ XBT_VERB("Different hash of local variables : %s - %s", s1->hash_local, s2->hash_local);
+ #endif
+
+ xbt_os_timer_free(timer);
+ xbt_os_timer_stop(global_timer);
+ mc_snapshot_comparison_time = xbt_os_timer_elapsed(global_timer);
+ xbt_os_timer_free(global_timer);
+
+ if(!raw_mem)
+ MC_UNSET_RAW_MEM;
+
+ return 1;
+ #endif
+ }
+ }
+
+ #ifdef MC_DEBUG
+ xbt_os_timer_start(timer);
+ #endif
- xbt_dynar_t equals = xbt_dynar_new(sizeof(heap_equality_t), heap_equality_free_voidp);
+ /* Init heap information used in heap comparison algorithm */
+ init_heap_information((xbt_mheap_t)s1->regions[0]->data, (xbt_mheap_t)s2->regions[0]->data, s1->to_ignore, s2->to_ignore);
/* Compare binary global variables */
- is_diff = compare_global_variables(s1->region_type[data_program_index], s1->regions[data_program_index]->data, s2->regions[data_program_index]->data, equals);
+ is_diff = compare_global_variables(2, s1->regions[2]->data, s2->regions[2]->data);
if(is_diff != 0){
#ifdef MC_DEBUG
xbt_os_timer_stop(timer);
XBT_VERB("Different global variables in binary");
#endif
+ reset_heap_information();
xbt_os_timer_free(timer);
xbt_os_timer_stop(global_timer);
mc_snapshot_comparison_time = xbt_os_timer_elapsed(global_timer);
#endif
}
- #ifdef MC_VERBOSE
+ #ifdef MC_DEBUG
if(is_diff == 0)
xbt_os_timer_stop(timer);
xbt_os_timer_start(timer);
#endif
/* Compare libsimgrid global variables */
- is_diff = compare_global_variables(s1->region_type[data_libsimgrid_index], s1->regions[data_libsimgrid_index]->data, s2->regions[data_libsimgrid_index]->data, equals);
+ is_diff = compare_global_variables(1, s1->regions[1]->data, s2->regions[1]->data);
if(is_diff != 0){
#ifdef MC_DEBUG
xbt_os_timer_stop(timer);
#ifdef MC_VERBOSE
XBT_VERB("Different global variables in libsimgrid");
#endif
-
+
+ reset_heap_information();
xbt_os_timer_free(timer);
xbt_os_timer_stop(global_timer);
mc_snapshot_comparison_time = xbt_os_timer_elapsed(global_timer);
xbt_os_timer_start(timer);
#endif
+ /* Stacks comparison */
+ unsigned int cursor = 0;
+ int diff_local = 0;
+ is_diff = 0;
+
+ while(cursor < xbt_dynar_length(s1->stacks)){
+ diff_local = compare_local_variables(((mc_snapshot_stack_t)xbt_dynar_get_as(s1->stacks, cursor, mc_snapshot_stack_t))->local_variables->data, ((mc_snapshot_stack_t)xbt_dynar_get_as(s2->stacks, cursor, mc_snapshot_stack_t))->local_variables->data);
+ if(diff_local > 0){
+ #ifdef MC_DEBUG
+ if(is_diff == 0){
+ xbt_os_timer_stop(timer);
+ mc_comp_times->stacks_comparison_time = xbt_os_timer_elapsed(timer);
+ }
+ XBT_DEBUG("Different local variables between stacks %d", cursor + 1);
+ errors++;
+ is_diff = 1;
+ #else
+
+ #ifdef MC_VERBOSE
+ XBT_VERB("Different local variables between stacks %d", cursor + 1);
+ #endif
+
+ reset_heap_information();
+ xbt_os_timer_free(timer);
+ xbt_os_timer_stop(global_timer);
+ mc_snapshot_comparison_time = xbt_os_timer_elapsed(global_timer);
+ xbt_os_timer_free(global_timer);
+
+ if(!raw_mem)
+ MC_UNSET_RAW_MEM;
+
+ return 1;
+ #endif
+ }
+ cursor++;
+ }
+
+ #ifdef MC_DEBUG
+ xbt_os_timer_start(timer);
+ #endif
+
/* Compare heap */
- xbt_dynar_t stacks1 = xbt_dynar_new(sizeof(stack_region_t), stack_region_free_voidp);
- xbt_dynar_t stacks2 = xbt_dynar_new(sizeof(stack_region_t), stack_region_free_voidp);
- if(mmalloc_compare_heap((xbt_mheap_t)s1->regions[heap_index]->data, (xbt_mheap_t)s2->regions[heap_index]->data, &stacks1, &stacks2, equals)){
+ if(mmalloc_compare_heap((xbt_mheap_t)s1->regions[0]->data, (xbt_mheap_t)s2->regions[0]->data)){
#ifdef MC_DEBUG
xbt_os_timer_stop(timer);
#else
xbt_os_timer_free(timer);
- xbt_dynar_free(&stacks1);
- xbt_dynar_free(&stacks2);
- xbt_dynar_free(&equals);
#ifdef MC_VERBOSE
XBT_VERB("Different heap (mmalloc_compare)");
#endif
+ reset_heap_information();
xbt_os_timer_stop(global_timer);
mc_snapshot_comparison_time = xbt_os_timer_elapsed(global_timer);
xbt_os_timer_free(global_timer);
#endif
}
- #ifdef MC_DEBUG
- xbt_os_timer_start(timer);
- #endif
-
- /* Stacks comparison */
- unsigned int cursor = 0;
- int diff_local = 0;
- is_diff = 0;
-
- while(cursor < xbt_dynar_length(stacks1)){
- diff_local = compare_local_variables(((mc_snapshot_stack_t)xbt_dynar_get_as(s1->stacks, cursor, mc_snapshot_stack_t))->local_variables->data, ((mc_snapshot_stack_t)xbt_dynar_get_as(s2->stacks, cursor, mc_snapshot_stack_t))->local_variables->data, equals);
- if(diff_local > 0){
- #ifdef MC_DEBUG
- if(is_diff == 0){
- xbt_os_timer_stop(timer);
- mc_comp_times->stacks_comparison_time = xbt_os_timer_elapsed(timer);
- }
- XBT_DEBUG("Different local variables between stacks %d", cursor + 1);
- errors++;
- is_diff = 1;
- #else
- xbt_dynar_free(&stacks1);
- xbt_dynar_free(&stacks2);
- xbt_dynar_free(&equals);
-
- #ifdef MC_VERBOSE
- XBT_VERB("Different local variables between stacks %d", cursor + 1);
- #endif
-
- xbt_os_timer_free(timer);
- xbt_os_timer_stop(global_timer);
- mc_snapshot_comparison_time = xbt_os_timer_elapsed(global_timer);
- xbt_os_timer_free(global_timer);
-
- if(!raw_mem)
- MC_UNSET_RAW_MEM;
-
- return 1;
- #endif
- }
- cursor++;
- }
-
- xbt_dynar_free(&stacks1);
- xbt_dynar_free(&stacks2);
- xbt_dynar_free(&equals);
+ reset_heap_information();
xbt_os_timer_free(timer);
}
-static int is_stack_ignore_variable(char *frame, char *var_name){
+int is_stack_ignore_variable(char *frame, char *var_name){
unsigned int cursor = 0;
int start = 0;
return 0;
}
-static int compare_local_variables(char *s1, char *s2, xbt_dynar_t heap_equals){
+static int compare_local_variables(char *s1, char *s2){
xbt_dynar_t tokens1 = xbt_str_split(s1, NULL);
xbt_dynar_t tokens2 = xbt_str_split(s2, NULL);
xbt_dynar_t s_tokens1, s_tokens2;
unsigned int cursor = 0;
void *addr1, *addr2;
- char *ip1 = NULL, *ip2 = NULL;
-
+ char *frame_name1 = NULL, *frame_name2 = NULL;
+ int res_compare = 0;
+
+ #ifdef MC_VERBOSE
+ char *var_name;
+ #endif
+
while(cursor < xbt_dynar_length(tokens1)){
s_tokens1 = xbt_str_split(xbt_dynar_get_as(tokens1, cursor, char *), "=");
s_tokens2 = xbt_str_split(xbt_dynar_get_as(tokens2, cursor, char *), "=");
if(xbt_dynar_length(s_tokens1) > 1 && xbt_dynar_length(s_tokens2) > 1){
- if((strcmp(xbt_dynar_get_as(s_tokens1, 0, char *), "ip") == 0) && (strcmp(xbt_dynar_get_as(s_tokens2, 0, char *), "ip") == 0)){
- xbt_free(ip1);
- xbt_free(ip2);
- ip1 = strdup(xbt_dynar_get_as(s_tokens1, 1, char *));
- ip2 = strdup(xbt_dynar_get_as(s_tokens2, 1, char *));
+ #ifdef MC_VERBOSE
+ var_name = xbt_dynar_get_as(s_tokens1, 0, char *);
+ #endif
+ if((strcmp(xbt_dynar_get_as(s_tokens1, 0, char *), "frame_name") == 0) && (strcmp(xbt_dynar_get_as(s_tokens2, 0, char *), "frame_name") == 0)){
+ xbt_free(frame_name1);
+ xbt_free(frame_name2);
+ frame_name1 = strdup(xbt_dynar_get_as(s_tokens1, 1, char *));
+ frame_name2 = strdup(xbt_dynar_get_as(s_tokens2, 1, char *));
}
- if(strcmp(xbt_dynar_get_as(s_tokens1, 1, char *), xbt_dynar_get_as(s_tokens2, 1, char *)) != 0){
- /* Ignore this variable ? */
- if(is_stack_ignore_variable(ip1, xbt_dynar_get_as(s_tokens1, 0, char *)) && is_stack_ignore_variable(ip2, xbt_dynar_get_as(s_tokens2, 0, char *))){
- xbt_dynar_free(&s_tokens1);
- xbt_dynar_free(&s_tokens2);
- cursor++;
- continue;
+ addr1 = (void *) strtoul(xbt_dynar_get_as(s_tokens1, 1, char *), NULL, 16);
+ addr2 = (void *) strtoul(xbt_dynar_get_as(s_tokens2, 1, char *), NULL, 16);
+ if(addr1 > std_heap && (char *)addr1 <= (char *)std_heap + STD_HEAP_SIZE && addr2 > std_heap && (char *)addr2 <= (char *)std_heap + STD_HEAP_SIZE){
+ res_compare = compare_area(addr1, addr2, NULL);
+ if(res_compare == 1){
+ if(is_stack_ignore_variable(frame_name1, xbt_dynar_get_as(s_tokens1, 0, char *)) && is_stack_ignore_variable(frame_name2, xbt_dynar_get_as(s_tokens2, 0, char *))){
+ xbt_dynar_free(&s_tokens1);
+ xbt_dynar_free(&s_tokens2);
+ cursor++;
+ continue;
+ }else {
+ #ifdef MC_VERBOSE
+ XBT_VERB("Different local variable : %s at addresses %p - %p", var_name, addr1, addr2);
+ #endif
+ xbt_dynar_free(&s_tokens1);
+ xbt_dynar_free(&s_tokens2);
+ xbt_dynar_free(&tokens1);
+ xbt_dynar_free(&tokens2);
+ xbt_free(frame_name1);
+ xbt_free(frame_name2);
+ return 1;
+ }
}
- addr1 = (void *) strtoul(xbt_dynar_get_as(s_tokens1, 1, char *), NULL, 16);
- addr2 = (void *) strtoul(xbt_dynar_get_as(s_tokens2, 1, char *), NULL, 16);
- if(is_heap_equality(heap_equals, addr1, addr2) == 0){
- if(XBT_LOG_ISENABLED(mc_compare, xbt_log_priority_verbose))
- XBT_VERB("Variable %s is different between stacks in %s : %s - %s", xbt_dynar_get_as(s_tokens1, 0, char *), ip1, xbt_dynar_get_as(s_tokens1, 1, char *), xbt_dynar_get_as(s_tokens2, 1, char *));
- xbt_dynar_free(&s_tokens1);
- xbt_dynar_free(&s_tokens2);
- xbt_dynar_free(&tokens1);
- xbt_dynar_free(&tokens2);
- xbt_free(ip1);
- xbt_free(ip2);
- return 1;
+ }else{
+ if(strcmp(xbt_dynar_get_as(s_tokens1, 1, char *), xbt_dynar_get_as(s_tokens2, 1, char *)) != 0){
+ if(is_stack_ignore_variable(frame_name1, xbt_dynar_get_as(s_tokens1, 0, char *)) && is_stack_ignore_variable(frame_name2, xbt_dynar_get_as(s_tokens2, 0, char *))){
+ xbt_dynar_free(&s_tokens1);
+ xbt_dynar_free(&s_tokens2);
+ cursor++;
+ continue;
+ }else {
+ #ifdef MC_VERBOSE
+ XBT_VERB("Different local variable : %s (%s - %s)", var_name, xbt_dynar_get_as(s_tokens1, 1, char *), xbt_dynar_get_as(s_tokens2, 1, char *));
+ #endif
+ xbt_dynar_free(&s_tokens1);
+ xbt_dynar_free(&s_tokens2);
+ xbt_dynar_free(&tokens1);
+ xbt_dynar_free(&tokens2);
+ xbt_free(frame_name1);
+ xbt_free(frame_name2);
+ return 1;
+ }
}
}
}
cursor++;
}
- xbt_free(ip1);
- xbt_free(ip2);
+ xbt_free(frame_name1);
+ xbt_free(frame_name2);
xbt_dynar_free(&tokens1);
xbt_dynar_free(&tokens2);
return 0;
}
-
-static int compare_stack(stack_region_t s1, stack_region_t s2, void *sp1, void *sp2, void *heap1, void *heap2, xbt_dynar_t equals){
-
- size_t k = 0;
- size_t size_used1 = s1->size - ((char*)sp1 - (char*)s1->address);
- size_t size_used2 = s2->size - ((char*)sp2 - (char*)s2->address);
-
- int pointer_align;
- void *addr_pointed1 = NULL, *addr_pointed2 = NULL;
-
- while(k < size_used1){
- if(memcmp((char *)s1->address + s1->size - k, (char *)s2->address + s2->size - k, 1) != 0){
- pointer_align = ((size_used1 - k) / sizeof(void*)) * sizeof(void*);
- addr_pointed1 = *((void **)(((char*)s1->address + (s1->size - size_used1)) + pointer_align));
- addr_pointed2 = *((void **)(((char*)s2->address + (s2->size - size_used2)) + pointer_align));
- if(is_heap_equality(equals, addr_pointed1, addr_pointed2) == 0){
- if((addr_pointed1 > std_heap) && (addr_pointed1 < (void *)((char *)std_heap + STD_HEAP_SIZE)) && (addr_pointed2 > std_heap) && (addr_pointed2 < (void *)((char *)std_heap + STD_HEAP_SIZE))){
- if(is_free_area(addr_pointed1, (xbt_mheap_t)heap1) == 0 || is_free_area(addr_pointed2, (xbt_mheap_t)heap2) == 0){
- return 1;
- }
- }else{
- return 1;
- }
- }
- }
- k++;
- }
-
- return 0;
-}
-
int MC_compare_snapshots(void *s1, void *s2){
MC_ignore_stack("self", "simcall_BODY_mc_snapshot");
void print_comparison_times(){
XBT_DEBUG("*** Comparison times ***");
XBT_DEBUG("- Nb processes : %f", mc_comp_times->nb_processes_comparison_time);
- XBT_DEBUG("- Nb chunks used : %f", mc_comp_times->chunks_used_comparison_time);
+ XBT_DEBUG("- Nb bytes used : %f", mc_comp_times->bytes_used_comparison_time);
XBT_DEBUG("- Stacks sizes : %f", mc_comp_times->stacks_sizes_comparison_time);
XBT_DEBUG("- Binary global variables : %f", mc_comp_times->binary_global_variables_comparison_time);
XBT_DEBUG("- Libsimgrid global variables : %f", mc_comp_times->libsimgrid_global_variables_comparison_time);
