Changeset 9f0318c in mainline
- Timestamp:
- 2011-01-26T14:54:24Z (14 years ago)
- Branches:
- lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export
- Children:
- 95622c4
- Parents:
- ba54451 (diff), 6265a2b (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the(diff)
links above to see all the changes relative to each parent. - Files:
-
- 2 added
- 13 edited
Legend:
- Unmodified
- Added
- Removed
-
kernel/generic/include/sysinfo/abi.h
rba54451 r9f0318c 104 104 char name[TASK_NAME_BUFLEN]; /**< Task name (in kernel) */ 105 105 size_t virtmem; /**< Size of VAS (bytes) */ 106 size_t resmem; /**< Size of resident (used) memory (bytes) */ 106 107 size_t threads; /**< Number of threads */ 107 108 uint64_t ucycles; /**< Number of CPU cycles in user space */ -
kernel/generic/include/sysinfo/sysinfo.h
rba54451 r9f0318c 148 148 extern sysarg_t sys_sysinfo_get_value(void *, size_t, void *); 149 149 extern sysarg_t sys_sysinfo_get_data_size(void *, size_t, void *); 150 extern sysarg_t sys_sysinfo_get_data(void *, size_t, void *, size_t );150 extern sysarg_t sys_sysinfo_get_data(void *, size_t, void *, size_t, size_t *); 151 151 152 152 #endif -
kernel/generic/src/mm/backend_phys.c
rba54451 r9f0318c 81 81 page_mapping_insert(AS, addr, base + (addr - area->base), 82 82 as_area_get_flags(area)); 83 if (!used_space_insert(area, ALIGN_DOWN(addr, PAGE_SIZE), 1)) 84 panic("Cannot insert used space."); 83 84 if (!used_space_insert(area, ALIGN_DOWN(addr, PAGE_SIZE), 1)) 85 panic("Cannot insert used space."); 85 86 86 87 return AS_PF_OK; -
kernel/generic/src/sysinfo/stats.c
rba54451 r9f0318c 170 170 * Note that it may be infinitely better to let the address space 171 171 * management code compute these statistics as it proceeds instead of 172 * having them calculated hereover and over again here.172 * having them calculated over and over again here. 173 173 */ 174 174 … … 199 199 } 200 200 201 /** Get the resident (used) size of a virtual address space 202 * 203 * @param as Address space. 204 * 205 * @return Size of the resident (used) virtual address space (bytes). 206 * 207 */ 208 static size_t get_task_resmem(as_t *as) 209 { 210 size_t result = 0; 211 212 /* 213 * We are holding some spinlocks here and therefore are not allowed to 214 * block. Only attempt to lock the address space and address space area 215 * mutexes conditionally. If it is not possible to lock either object, 216 * allow the statistics to be inexact by skipping the respective object. 217 * 218 * Note that it may be infinitely better to let the address space 219 * management code compute these statistics as it proceeds instead of 220 * having them calculated over and over again here. 221 */ 222 223 if (SYNCH_FAILED(mutex_trylock(&as->lock))) 224 return result * PAGE_SIZE; 225 226 /* Walk the B+ tree of AS areas */ 227 link_t *cur; 228 for (cur = as->as_area_btree.leaf_head.next; 229 cur != &as->as_area_btree.leaf_head; cur = cur->next) { 230 btree_node_t *node = 231 list_get_instance(cur, btree_node_t, leaf_link); 232 233 unsigned int i; 234 for (i = 0; i < node->keys; i++) { 235 as_area_t *area = node->value[i]; 236 237 if (SYNCH_FAILED(mutex_trylock(&area->lock))) 238 continue; 239 240 /* Walk the B+ tree of resident pages */ 241 link_t *rcur; 242 for (rcur = area->used_space.leaf_head.next; 243 rcur != &area->used_space.leaf_head; rcur = rcur->next) { 244 btree_node_t *rnode = 245 list_get_instance(rcur, btree_node_t, leaf_link); 246 247 unsigned int j; 248 for (j = 0; j < rnode->keys; j++) 249 result += (size_t) rnode->value[i]; 250 } 251 252 mutex_unlock(&area->lock); 253 } 254 } 255 256 mutex_unlock(&as->lock); 257 258 return result * PAGE_SIZE; 259 } 260 201 261 /* Produce task statistics 202 262 * … … 215 275 str_cpy(stats_task->name, TASK_NAME_BUFLEN, task->name); 216 276 stats_task->virtmem = get_task_virtmem(task->as); 277 stats_task->resmem = get_task_resmem(task->as); 217 278 stats_task->threads = atomic_get(&task->refcount); 218 279 task_get_accounting(task, &(stats_task->ucycles), -
kernel/generic/src/sysinfo/sysinfo.c
rba54451 r9f0318c 40 40 #include <arch/asm.h> 41 41 #include <errno.h> 42 #include <macros.h> 42 43 43 44 /** Maximal sysinfo path length */ … … 761 762 * character must be null). 762 763 * 763 * The user space buffer must be sized exactly according 764 * to the size of the binary data, otherwise the request 765 * fails. 764 * If the user space buffer size does not equal 765 * the actual size of the returned data, the data 766 * is truncated. Whether this is actually a fatal 767 * error or the data can be still interpreted as valid 768 * depends on the nature of the data and has to be 769 * decided by the user space. 770 * 771 * The actual size of data returned is stored to 772 * size_ptr. 766 773 * 767 774 * @param path_ptr Sysinfo path in the user address space. … … 770 777 * to store the binary data. 771 778 * @param buffer_size User space buffer size. 779 * @param size_ptr User space pointer where to store the 780 * binary data size. 772 781 * 773 782 * @return Error code (EOK in case of no error). … … 775 784 */ 776 785 sysarg_t sys_sysinfo_get_data(void *path_ptr, size_t path_size, 777 void *buffer_ptr, size_t buffer_size )786 void *buffer_ptr, size_t buffer_size, size_t *size_ptr) 778 787 { 779 788 int rc; 780 789 781 790 /* Get the item */ 782 sysinfo_return_t ret = sysinfo_get_item_uspace(path_ptr, path_size, false); 783 791 sysinfo_return_t ret = sysinfo_get_item_uspace(path_ptr, path_size, 792 false); 793 784 794 /* Only constant or generated binary data is considered */ 785 if ((ret.tag == SYSINFO_VAL_DATA) || (ret.tag == SYSINFO_VAL_FUNCTION_DATA)) { 786 /* Check destination buffer size */ 787 if (ret.data.size == buffer_size) 788 rc = copy_to_uspace(buffer_ptr, ret.data.data, 789 ret.data.size); 790 else 791 rc = ENOMEM; 795 if ((ret.tag == SYSINFO_VAL_DATA) || 796 (ret.tag == SYSINFO_VAL_FUNCTION_DATA)) { 797 size_t size = min(ret.data.size, buffer_size); 798 rc = copy_to_uspace(buffer_ptr, ret.data.data, size); 799 if (rc == EOK) 800 rc = copy_to_uspace(size_ptr, &size, sizeof(size)); 792 801 } else 793 802 rc = EINVAL; -
uspace/app/tasks/tasks.c
rba54451 r9f0318c 66 66 } 67 67 68 printf(" 68 printf(" Task ID Threads Mem uCycles kCycles Name\n"); 69 69 70 70 size_t i; … … 96 96 } 97 97 98 printf(" 98 printf(" ThrID State CPU Prio [k]uCycles [k]kcycles Cycle fault\n"); 99 99 size_t i; 100 100 for (i = 0; i < count; i++) { -
uspace/app/top/screen.c
rba54451 r9f0318c 274 274 { 275 275 screen_style_inverted(); 276 printf("[taskid] [threads] [ virtual] [%%virt] [%%user]"277 " [%% kernel] [name");276 printf("[taskid] [threads] [resident] [%%resi] [virtual] [%%virt]" 277 " [%%user] [%%kern] [name"); 278 278 screen_newline(); 279 279 screen_style_normal(); … … 295 295 perc_task_t *perc = data->tasks_perc + data->tasks_map[i]; 296 296 297 uint64_t resmem; 298 char resmem_suffix; 299 order_suffix(task->resmem, &resmem, &resmem_suffix); 300 297 301 uint64_t virtmem; 298 302 char virtmem_suffix; 299 303 order_suffix(task->virtmem, &virtmem, &virtmem_suffix); 300 304 301 printf("%-8" PRIu64 " %9zu %8" PRIu64 "%c ", task->task_id, 302 task->threads, virtmem, virtmem_suffix); 305 printf("%-8" PRIu64 " %9zu %9" PRIu64 "%c ", 306 task->task_id, task->threads, resmem, resmem_suffix); 307 print_percent(perc->resmem, 2); 308 printf(" %8" PRIu64 "%c ", virtmem, virtmem_suffix); 303 309 print_percent(perc->virtmem, 2); 304 310 puts(" "); 305 311 print_percent(perc->ucycles, 2); 306 puts(" 312 puts(" "); 307 313 print_percent(perc->kcycles, 2); 308 314 puts(" "); -
uspace/app/top/top.c
rba54451 r9f0318c 195 195 196 196 uint64_t virtmem_total = 0; 197 uint64_t resmem_total = 0; 197 198 uint64_t ucycles_total = 0; 198 199 uint64_t kcycles_total = 0; … … 223 224 224 225 virtmem_total += new_data->tasks[i].virtmem; 226 resmem_total += new_data->tasks[i].resmem; 225 227 ucycles_total += new_data->ucycles_diff[i]; 226 228 kcycles_total += new_data->kcycles_diff[i]; … … 232 234 FRACTION_TO_FLOAT(new_data->tasks_perc[i].virtmem, 233 235 new_data->tasks[i].virtmem * 100, virtmem_total); 236 FRACTION_TO_FLOAT(new_data->tasks_perc[i].resmem, 237 new_data->tasks[i].resmem * 100, resmem_total); 234 238 FRACTION_TO_FLOAT(new_data->tasks_perc[i].ucycles, 235 239 new_data->ucycles_diff[i] * 100, ucycles_total); -
uspace/app/top/top.h
rba54451 r9f0318c 77 77 typedef struct { 78 78 fixed_float virtmem; 79 fixed_float resmem; 79 80 fixed_float ucycles; 80 81 fixed_float kcycles; -
uspace/app/trace/syscalls.c
rba54451 r9f0318c 77 77 [SYS_SYSINFO_GET_VALUE] = { "sysinfo_get_value", 3, V_ERRNO }, 78 78 [SYS_SYSINFO_GET_DATA_SIZE] = { "sysinfo_get_data_size", 3, V_ERRNO }, 79 [SYS_SYSINFO_GET_DATA] = { "sysinfo_get_data", 4, V_ERRNO },79 [SYS_SYSINFO_GET_DATA] = { "sysinfo_get_data", 5, V_ERRNO }, 80 80 81 81 [SYS_DEBUG_ENABLE_CONSOLE] = { "debug_enable_console", 0, V_ERRNO }, -
uspace/lib/c/generic/stats.c
rba54451 r9f0318c 36 36 #include <stats.h> 37 37 #include <sysinfo.h> 38 #include <assert.h>39 38 #include <errno.h> 40 39 #include <stdio.h> 41 40 #include <inttypes.h> 41 #include <malloc.h> 42 42 43 43 #define SYSINFO_STATS_MAX_PATH 64 … … 71 71 (stats_cpu_t *) sysinfo_get_data("system.cpus", &size); 72 72 73 assert((size % sizeof(stats_cpu_t)) == 0); 73 if ((size % sizeof(stats_cpu_t)) != 0) { 74 if (stats_cpus != NULL) 75 free(stats_cpus); 76 *count = 0; 77 return NULL; 78 } 74 79 75 80 *count = size / sizeof(stats_cpu_t); … … 91 96 (stats_physmem_t *) sysinfo_get_data("system.physmem", &size); 92 97 93 assert((size == sizeof(stats_physmem_t)) || (size == 0)); 98 if (size != sizeof(stats_physmem_t)) { 99 if (stats_physmem != NULL) 100 free(stats_physmem); 101 return NULL; 102 } 94 103 95 104 return stats_physmem; … … 111 120 (stats_task_t *) sysinfo_get_data("system.tasks", &size); 112 121 113 assert((size % sizeof(stats_task_t)) == 0); 122 if ((size % sizeof(stats_task_t)) != 0) { 123 if (stats_tasks != NULL) 124 free(stats_tasks); 125 *count = 0; 126 return NULL; 127 } 114 128 115 129 *count = size / sizeof(stats_task_t); … … 135 149 (stats_task_t *) sysinfo_get_data(name, &size); 136 150 137 assert((size == sizeof(stats_task_t)) || (size == 0)); 151 if (size != sizeof(stats_task_t)) { 152 if (stats_task != NULL) 153 free(stats_task); 154 return NULL; 155 } 138 156 139 157 return stats_task; … … 155 173 (stats_thread_t *) sysinfo_get_data("system.threads", &size); 156 174 157 assert((size % sizeof(stats_thread_t)) == 0); 175 if ((size % sizeof(stats_thread_t)) != 0) { 176 if (stats_threads != NULL) 177 free(stats_threads); 178 *count = 0; 179 return NULL; 180 } 158 181 159 182 *count = size / sizeof(stats_thread_t); … … 179 202 (stats_thread_t *) sysinfo_get_data(name, &size); 180 203 181 assert((size == sizeof(stats_thread_t)) || (size == 0)); 204 if (size != sizeof(stats_thread_t)) { 205 if (stats_thread != NULL) 206 free(stats_thread); 207 return NULL; 208 } 182 209 183 210 return stats_thread; … … 199 226 (stats_exc_t *) sysinfo_get_data("system.exceptions", &size); 200 227 201 assert((size % sizeof(stats_exc_t)) == 0); 228 if ((size % sizeof(stats_exc_t)) != 0) { 229 if (stats_exceptions != NULL) 230 free(stats_exceptions); 231 *count = 0; 232 return NULL; 233 } 202 234 203 235 *count = size / sizeof(stats_exc_t); … … 217 249 { 218 250 char name[SYSINFO_STATS_MAX_PATH]; 219 snprintf(name, SYSINFO_STATS_MAX_PATH, "system.exceptions s.%u", excn);251 snprintf(name, SYSINFO_STATS_MAX_PATH, "system.exceptions.%u", excn); 220 252 221 253 size_t size = 0; … … 223 255 (stats_exc_t *) sysinfo_get_data(name, &size); 224 256 225 assert((size == sizeof(stats_exc_t)) || (size == 0)); 257 if (size != sizeof(stats_exc_t)) { 258 if (stats_exception != NULL) 259 free(stats_exception); 260 return NULL; 261 } 226 262 227 263 return stats_exception; … … 243 279 (load_t *) sysinfo_get_data("system.load", &size); 244 280 245 assert((size % sizeof(load_t)) == 0); 281 if ((size % sizeof(load_t)) != 0) { 282 if (load != NULL) 283 free(load); 284 *count = 0; 285 return NULL; 286 } 246 287 247 288 *count = size / sizeof(load_t); -
uspace/lib/c/generic/sysinfo.c
rba54451 r9f0318c 96 96 void *sysinfo_get_data(const char *path, size_t *size) 97 97 { 98 /* The binary data size might change during time. 99 Unfortunatelly we cannot allocate the buffer 100 and transfer the data as a single atomic operation. 98 /* 99 * The binary data size might change during time. 100 * Unfortunatelly we cannot allocate the buffer 101 * and transfer the data as a single atomic operation. 102 */ 101 103 102 Let's hope that the number of iterations is bounded 103 in common cases. */ 104 105 void *data = NULL; 106 107 while (true) { 108 /* Get the binary data size */ 109 int ret = sysinfo_get_data_size(path, size); 110 if ((ret != EOK) || (size == 0)) { 111 /* Not a binary data item 112 or an empty item */ 113 break; 114 } 115 116 data = realloc(data, *size); 117 if (data == NULL) 118 break; 119 120 /* Get the data */ 121 ret = __SYSCALL4(SYS_SYSINFO_GET_DATA, (sysarg_t) path, 122 (sysarg_t) str_size(path), (sysarg_t) data, (sysarg_t) *size); 123 if (ret == EOK) 124 return data; 125 126 if (ret != ENOMEM) { 127 /* The failure to get the data was not caused 128 by wrong buffer size */ 129 break; 130 } 104 /* Get the binary data size */ 105 int ret = sysinfo_get_data_size(path, size); 106 if ((ret != EOK) || (size == 0)) { 107 /* 108 * Not a binary data item 109 * or an empty item. 110 */ 111 *size = 0; 112 return NULL; 131 113 } 132 114 133 if (data != NULL) 134 free(data); 115 void *data = malloc(*size); 116 if (data == NULL) { 117 *size = 0; 118 return NULL; 119 } 135 120 121 /* Get the data */ 122 size_t sz; 123 ret = __SYSCALL5(SYS_SYSINFO_GET_DATA, (sysarg_t) path, 124 (sysarg_t) str_size(path), (sysarg_t) data, (sysarg_t) *size, 125 (sysarg_t) &sz); 126 if (ret == EOK) { 127 *size = sz; 128 return data; 129 } 130 131 free(data); 136 132 *size = 0; 137 133 return NULL; -
uspace/lib/usb/Makefile
rba54451 r9f0318c 47 47 src/usb.c \ 48 48 src/usbdrvreq.c \ 49 src/usbdrv.c 49 src/usbdrv.c \ 50 src/usbmem.c 50 51 51 52 include $(USPACE_PREFIX)/Makefile.common
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