python 解析top文件格式
Posted 帅胡
tags:
篇首语：本文由小常识网(cha138.com)小编为大家整理，主要介绍了python 解析top文件格式相关的知识，希望对你有一定的参考价值。
1 top - 16:14:35 up 2 days, 3:04, 7 users, load average: 2.22, 1.84, 1.77 2 Tasks: 512 total, 2 running, 509 sleeping, 0 stopped, 1 zombie 3 %Cpu0 : 5.0 us, 1.0 sy, 17.0 ni, 77.0 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st 4 %Cpu1 : 5.9 us, 1.0 sy, 1.0 ni, 92.2 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st 5 %Cpu2 : 7.0 us, 0.0 sy, 0.0 ni, 93.0 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st 6 %Cpu3 : 4.0 us, 0.0 sy, 3.0 ni, 93.1 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st 7 %Cpu4 : 5.8 us, 1.0 sy, 1.9 ni, 91.3 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st 8 %Cpu5 : 22.0 us, 1.0 sy, 0.0 ni, 77.0 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st 9 %Cpu6 : 4.0 us, 0.0 sy, 0.0 ni, 96.0 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st 10 %Cpu7 : 4.0 us, 0.0 sy, 0.0 ni, 96.0 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st 11 %Cpu8 : 4.0 us, 0.0 sy, 0.0 ni, 96.0 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st 12 %Cpu9 : 18.6 us, 1.0 sy, 1.0 ni, 79.4 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st 13 %Cpu10 : 3.9 us, 0.0 sy, 0.0 ni, 96.1 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st 14 %Cpu11 : 3.9 us, 0.0 sy, 0.0 ni, 96.1 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st 15 MiB Mem: 32067.54+total, 7194.383 used, 24873.16+free, 750.664 buffers 16 MiB Swap: 15258.99+total, 0.000 used, 15258.99+free. 1660.316 cached Mem 17 18 PID VIRT RES SHR S %CPU %MEM COMMAND nTH P SWAP CODE DATA nMaj nDRT USED 19 148266 1786.7m 262.3m 65.6m S 46.3 0.8 compiz 17 3 0.0m 0.0m 995.3m 266 0 262.3m 20 145203 228.5m 70.3m 40.8m S 25.6 0.2 Xvnc 1 2 0.0m 4.3m 29.7m 0 0 70.3m 21 9024 32.1m 4.1m 3.3m S 21.6 0.0 fiberlamp 1 9 0.0m 0.0m 1.0m 0 0 4.1m 22 3535 214.9m 68.5m 45.2m S 20.7 0.2 Xvnc 1 4 0.0m 4.3m 23.6m 25 0 68.5m 23 7905 31.4m 3.4m 3.1m S 3.9 0.0 fuzzyflakes 1 5 0.0m 0.0m 0.4m 0 0 3.4m 24 145581 20.5m 3.0m 2.3m R 2.0 0.0 top 1 1 0.0m 0.1m 1.3m 1 0 3.0m 25 1454 12.947g 1.416g 31.9m S 1.0 4.5 java 51 0 0.0m 0.0m 12.809g 168 0 1.416g 26 3556 751.9m 66.7m 51.8m S 1.0 0.2 xfdesktop 3 11 0.0m 0.3m 300.4m 277 0 66.7m 27 8956 20.5m 2.9m 2.2m R 1.0 0.0 top 1 0 0.0m 0.1m 1.3m 0 0 2.9m
解析代码如下：
1 # -*- coding: utf-8 -*- 2 3 import sqlite3 4 import os 5 import time 6 7 def create_load_info_table(cursor): 8 create_sql = ‘‘‘ 9 CREATE TABLE IF NOT EXISTS load_info( 10 min1_load REAL, 11 min5_load REAL, 12 min15_load REAL, 13 record_time TEXT, 14 time_stamp TEXT 15 ) 16 ‘‘‘ 17 cursor.execute(create_sql) 18 19 def create_task_info_table(cursor): 20 create_sql = ‘‘‘ 21 CREATE TABLE IF NOT EXISTS task_info( 22 total INTEGER, 23 running INTEGER, 24 sleeping INTEGER, 25 stopped INTEGER, 26 zombie INTEGER, 27 record_time TEXT, 28 time_stamp TEXT 29 ) 30 ‘‘‘ 31 cursor.execute(create_sql) 32 33 def create_cpu_info_table(cursor): 34 create_sql = ‘‘‘ 35 CREATE TABLE IF NOT EXISTS cpu_info( 36 cpu_name TEXT, 37 us REAL, 38 sy REAL, 39 ni REAL, 40 id REAL, 41 wa REAL, 42 hi REAL, 43 si REAL, 44 st REAL, 45 record_time TEXT, 46 time_stamp TEXT 47 ) 48 ‘‘‘ 49 cursor.execute(create_sql) 50 51 def create_mem_info_table(cursor): 52 create_sql = ‘‘‘ 53 CREATE TABLE IF NOT EXISTS mem_info( 54 total REAL, 55 used REAL, 56 free REAL, 57 buffers REAL, 58 record_time TEXT, 59 time_stamp TEXT 60 ) 61 ‘‘‘ 62 cursor.execute(create_sql) 63 64 def create_swap_info_table(cursor): 65 create_sql = ‘‘‘ 66 CREATE TABLE IF NOT EXISTS swap_info( 67 total REAL, 68 used REAL, 69 free REAL, 70 cached REAL, 71 record_time TEXT, 72 time_stamp TEXT 73 ) 74 ‘‘‘ 75 cursor.execute(create_sql) 76 77 def create_process_info_table(cursor): 78 create_sql = ‘‘‘ 79 CREATE TABLE IF NOT EXISTS process_info( 80 PID INTEGER, 81 VIRT REAL, 82 RES REAL, 83 SHR REAL, 84 S TEXT, 85 CPU REAL, 86 MEM REAL, 87 COMMAND TEXT, 88 nTH INTEGER, 89 P INTEGER, 90 SWAP REAL, 91 CODE REAL, 92 DATA REAL, 93 nMaj INTEGER, 94 nDRT INTEGER, 95 USED REAL, 96 record_time TEXT, 97 time_stamp TEXT 98 ) 99 ‘‘‘ 100 cursor.execute(create_sql) 101 102 cur_dir = os.getcwd() 103 db_name = ‘top_info.db‘ 104 top_log_name = ‘top_cpu.txt‘ 105 106 #final_db_full_name = os.path.join(cur_dir, db_name) 107 # 108 #need_create_table = False 109 # 110 #if not os.path.exists(final_db_full_name): 111 # need_create_table = True 112 113 conn = sqlite3.connect(db_name) 114 cursor = conn.cursor() 115 get_all_table = "SELECT tbl_name FROM sqlite_master where type = ‘table‘" 116 all_table_name_list = [] 117 118 for table_name in cursor.execute(get_all_table): 119 all_table_name_list.append(table_name[0]) 120 121 topfile = open(top_log_name, ‘r‘) 122 123 try: 124 lines = topfile.readlines() 125 cur_time_stamp = ‘‘ 126 cur_record_time = ‘‘ 127 128 for line in lines: 129 line = line.strip() 130 cur_time_stamp = time.strftime(‘%Y-%m-%d %H:%M:%S‘, time.localtime()) 131 132 if len(line) == 0: 133 continue 134 elif line[:3] == ‘top‘: 135 if ‘load_info‘ not in all_table_name_list: 136 create_load_info_table(cursor) 137 138 #[‘top - 08:14:17 up 2 days‘, ‘ 15:36‘, ‘ 15 users‘, ‘ load average: 5.46‘, ‘ 5.29‘, ‘ 5.18‘] 139 load_list = line.split(‘,‘) 140 #[‘top‘, ‘-‘, ‘08:14:17‘, ‘up‘, ‘2‘, ‘days‘] 141 cur_time_list = load_list[0].split() 142 cur_time = cur_time_list[2] 143 cur_record_time = cur_time 144 #[‘load average‘, ‘ 5.46‘] 145 min1_load_list = load_list[3].strip().split(‘:‘) 146 min1_load = float(min1_load_list[1]) 147 min5_load = float(load_list[4]) 148 min15_load = float(load_list[5]) 149 150 insert_sql = "INSERT INTO load_info VALUES (%0.2f, %0.2f, %0.2f, ‘%s‘, ‘%s‘)" % (min1_load, min5_load, min15_load, cur_record_time, cur_time_stamp) 151 cursor.execute(insert_sql); 152 conn.commit() 153 elif line[:5] == ‘Tasks‘:#Threads 154 if ‘task_info‘ not in all_table_name_list: 155 create_task_info_table(cursor) 156 157 #‘Tasks: 898 total, 5 running, 890 sleeping, 0 stopped, 3 zombie‘ 158 task_list = line.split(‘,‘) 159 #[‘Tasks: 898 total‘, ‘ 5 running‘, ‘ 890 sleeping‘, ‘ 0 stopped‘, ‘ 3 zombie‘] 160 sum_task_count = int(task_list[0].strip().split(‘:‘)[1].split()[0]) 161 running_task_count = int(task_list[1].strip().split()[0]) 162 sleeping_task_count = int(task_list[2].strip().split()[0]) 163 stopped_task_count = int(task_list[3].strip().split()[0]) 164 zombia_task_count = int(task_list[4].strip().split()[0]) 165 166 insert_sql = "INSERT INTO task_info VALUES (%d, %d, %d, %d, %d, ‘%s‘, ‘%s‘)" % (sum_task_count, running_task_count, sleeping_task_count, stopped_task_count, zombia_task_count, cur_record_time, cur_time_stamp) 167 cursor.execute(insert_sql); 168 conn.commit() 169 elif line[:4] == ‘%Cpu‘:#%Cpu0 170 if ‘cpu_info‘ not in all_table_name_list: 171 create_cpu_info_table(cursor) 172 173 cpu_name = line[:line.index(‘:‘)] 174 175 #‘%Cpu0 : 19.6 us, 2.0 sy, 5.8 ni, 72.6 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st‘ 176 cpu_list = line.split(‘:‘)[1].strip().split(‘,‘) 177 #[‘19.6 us‘, ‘ 2.0 sy‘, ‘ 5.8 ni‘, ‘ 72.6 id‘, ‘ 0.0 wa‘, ‘ 0.0 hi‘, ‘ 0.0 si‘, ‘ 0.0 st‘] 178 us_percent = float(cpu_list[0].strip().split()[0]) 179 #time running un-niced user processes 180 sy_percent = float(cpu_list[1].strip().split()[0]) 181 #time running kernel processes 182 ni_percent = float(cpu_list[2].strip().split()[0]) 183 #time running niced user processes 184 id_percent = float(cpu_list[3].strip().split()[0]) 185 #time spent in the kernel idle handler 186 wa_percent = float(cpu_list[4].strip().split()[0]) 187 #time waiting for I/O completion 188 hi_percent = float(cpu_list[5].strip().split()[0]) 189 #time spent serving hardware interrupts 190 si_percent = float(cpu_list[6].strip().split()[0]) 191 #time spent serving software interrupts 192 st_percent = float(cpu_list[7].strip().split()[0]) 193 #time stolen from this vm by the hypervisor 194 195 insert_sql = "INSERT INTO cpu_info VALUES (‘%s‘, %0.2f, %0.2f, %0.2f, %0.2f, %0.2f, %0.2f, %0.2f, %0.2f, ‘%s‘, ‘%s‘)" % (cpu_name, us_percent, sy_percent, ni_percent, id_percent, wa_percent, hi_percent, si_percent, st_percent, cur_record_time, cur_time_stamp) 196 cursor.execute(insert_sql); 197 conn.commit() 198 elif line[:7] == ‘KiB Mem‘:#KiB Mem，主要用的交互选项E设置的单位 199 if ‘mem_info‘ not in all_table_name_list: 200 create_mem_info_table(cursor) 201 202 #‘KiB Mem: 32837164 total, 10604512 used, 22232652 free, 1117824 buffers‘ 203 Men_list = line.split(‘:‘)[1].strip().split(‘,‘) 204 #[‘32837164 total‘, ‘ 10604512 used‘, ‘ 22232652 free‘, ‘ 1117824 buffers‘] 205 total_mem = float(Men_list[0].strip().split()[0]) / 1024 206 used_men = float(Men_list[1].strip().split()[0]) / 1024 207 free_men = float(Men_list[2].strip().split()[0]) / 1024 208 buffer_men = float(Men_list[3].strip().split()[0]) / 1024 209 210 insert_sql = "INSERT INTO mem_info VALUES (%0.2f, %0.2f, %0.2f, %0.2f, ‘%s‘, ‘%s‘)" % (total_mem, used_men, free_men, buffer_men, cur_record_time, cur_time_stamp) 211 cursor.execute(insert_sql); 212 conn.commit() 213 elif line[:7] == ‘MiB Mem‘:#MiB Mem 214 if ‘mem_info‘ not in all_table_name_list: 215 create_mem_info_table(cursor) 216 217 #MiB Mem: 32067.54+total, 5090.746 used, 26976.79+free, 624.168 buffers 218 Men_list = line.split(‘:‘)[1].strip().split(‘,‘) 219 220 total_mem = 0.0 221 if ‘+‘ in Men_list[0]: 222 total_mem = float(Men_list[0].strip().split(‘+‘)[0]) 223 else: 224 total_mem = float(Men_list[0].strip().split()[0]) 225 226 used_men = 0.0 227 if ‘+‘ in Men_list[1]: 228 used_men = float(Men_list[1].strip().split(‘+‘)[0]) 229 else: 230 used_men = float(Men_list[1].strip().split()[0]) 231 232 free_men = 0.0 233 if ‘+‘ in Men_list[2]: 234 free_men = float(Men_list[2].strip().split(‘+‘)[0]) 235 else: 236 free_men = float(Men_list[2].strip().split()[0]) 237 238 buffer_men = 0.0 239 if ‘+‘ in Men_list[3]: 240 buffer_men = float(Men_list[3].strip().split(‘+‘)[0]) 241 else: 242 buffer_men = float(Men_list[3].strip().split()[0]) 243 244 insert_sql = "INSERT INTO mem_info VALUES (%0.2f, %0.2f, %0.2f, %0.2f, ‘%s‘, ‘%s‘)" % (total_mem, used_men, free_men, buffer_men, cur_record_time, cur_time_stamp) 245 cursor.execute(insert_sql); 246 conn.commit() 247 elif line[:8] == ‘KiB Swap‘: #主要用的交互选项E设置的单位 248 if ‘swap_info‘ not in all_table_name_list: 249 create_swap_info_table(cursor) 250 251 #‘KiB Swap: 15625212 total, 0 used, 15625212 free. 3900452 cached Mem‘ 252 Swap_list = line.split(‘:‘)[1].strip().split(‘,‘) 253 #[‘15625212 total‘, ‘ 0 used‘, ‘ 15625212 free. 3900452 cached Mem‘] 254 total_swap = float(Swap_list[0].strip().split()[0]) / 1024 255 used_swap = float(Swap_list[1].strip().split()[0]) / 1024 256 257 free_cache_list = Swap_list[2].strip().split(‘.‘) 258 259 free_swap = float(free_cache_list[0].strip().split()[0]) / 1024 260 cache_swap = float(free_cache_list[1].strip().split()[0]) / 1024 261 262 insert_sql = "INSERT INTO swap_info VALUES (%0.2f, %0.2f, %0.2f, %0.2f, ‘%s‘, ‘%s‘)" % (total_swap, used_swap, free_swap, cache_swap, cur_record_time, cur_time_stamp) 263 cursor.execute(insert_sql); 264 conn.commit() 265 elif line[:8] == ‘MiB Swap‘: 266 if ‘swap_info‘ not in all_table_name_list: 267 create_swap_info_table(cursor) 268 269 #MiB Swap: 15258.99+total, 0.000 used, 15258.99+free. 1475.379 cached Mem 270 Swap_list = line.split(‘:‘)[1].strip().split(‘,‘) 271 272 total_swap = 0.0 273 if ‘+‘ in Swap_list[0]: 274 total_swap = float(Swap_list[0].strip().split(‘+‘)[0]) 275 else: 276 total_swap = float(Swap_list[0].strip().split()[0]) 277 278 used_swap = 0.0 279 if ‘+‘ in Swap_list[1]: 280 used_swap = float(Swap_list[1].strip().split(‘+‘)[0]) 281 else: 282 used_swap = float(Swap_list[1].strip().split()[0]) 283 284 free_cache_list = Swap_list[2].strip().split(‘.‘) 285 286 free_swap = 0.0 287 if ‘+‘ in free_cache_list[0]: 288 free_swap = float(free_cache_list[0].strip().split(‘+‘)[0]) 289 else: 290 free_swap = float(free_cache_list[0].strip().split()[0]) 291 292 cache_swap = 0.0 293 if ‘+‘ in free_cache_list[1]: 294 cache_swap = float(free_cache_list[1].strip().split(‘+‘)[0]) 295 else: 296 cache_swap = float(free_cache_list[1].strip().split()[0]) 297 298 insert_sql = "INSERT INTO swap_info VALUES (%0.2f, %0.2f, %0.2f, %0.2f, ‘%s‘, ‘%s‘)" % (total_swap, used_swap, free_swap, cache_swap, cur_record_time, cur_time_stamp) 299 cursor.execute(insert_sql); 300 conn.commit() 301 elif line[:3] == ‘PID‘: 302 continue 303 else: 304 if ‘process_info‘ not in all_table_name_list: 305 create_process_info_table(cursor) 306 307 #PID VIRT RES SHR S %CPU %MEM COMMAND nTH P SWAP CODE DATA nMaj nDRT USED 308 #‘157271 459.9m 256.8m 13.6m R 92.3 0.8 bundle 2 0 0.0m 0.0m 251.6m 0 0 256.8m‘ 309 process_list = line.split() 310 PID = int(process_list[0]) 311 #Process Id 312 313 VIRT = 0.0 314 if ‘m‘ in process_list[1]: #这里的显示单位交互模式下用的是小写的e作为设置 315 VIRT = float(process_list[1][:-1]) 316 elif ‘g‘ in process_list[1]: 317 VIRT = float(process_list[1][:-1]) * 1024 318 else: 319 VIRT = float(process_list[1]) / 1024 320 #Virtual Memory Size 321 #The total amount of virtual memory used by the task. It includes all code, data and shared libraries 322 #plus pages that have been swapped out and pages that have been mapped but not used. 323 324 RES = 0.0 325 if ‘m‘ in process_list[2]: 326 RES = float(process_list[2][:-1]) 327 elif ‘g‘ in process_list[2]: 328 RES = float(process_list[2][:-1]) * 1024 329 else: 330 RES = float(process_list[2]) / 1024 331 332 #Resident Memory Size 333 #A subset of the virtual address space(VIRT) representing the non-swapped physical memory a task is 334 #currently using. 335 336 SHR = 0.0 337 if ‘m‘ in process_list[3]: 338 SHR = float(process_list[3][:-1]) 339 elif ‘g‘ in process_list[3]: 340 SHR = float(process_list[3][:-1]) * 1024 341 else: 342 SHR = float(process_list[3]) / 1024 343 344 #Shared Memory Size 345 #A subset of resident memory(RES) that may be used by other processes. 346 process_status = process_list[4] 347 #D = uninterruptible sleeping 348 #R = running 349 #S = sleeping 350 #T = stopped by job control signal 351 #t = stopped by debugger during trace 352 #Z = zombia 353 cpu_usage = float(process_list[5]) #百分比对应的是单个cpu还是cpu之和使用的是交互选项I设置的 354 mem_usage = float(process_list[6]) 355 command_name = process_list[7] 356 thread_count = int(process_list[8]) 357 use_cpu_index = int(process_list[9]) 358 359 SWAP = 0.0 360 if ‘m‘ in process_list[10]: 361 SWAP = float(process_list[10][:-1]) 362 elif ‘g‘ in process_list[10]: 363 SWAP = float(process_list[10][:-1]) * 1024 364 else: 365 SWAP = float(process_list[10]) / 1024 366 367 #The formerly resident portion of a task‘s address space written to the swap file when physical memory 368 #becomes over committed. 369 370 CODE = 0.0 371 if ‘m‘ in process_list[11]: 372 CODE = float(process_list[11][:-1]) 373 elif ‘g‘ in process_list[11]: 374 CODE = float(process_list[11][:-1]) * 1024 375 else: 376 CODE = float(process_list[11]) / 1024 377 #Code Size 378 #The amount of physical memory currently devoted to executable code, also know as the Text Resident Set or TRS 379 380 DATA = 0.0 381 if ‘m‘ in process_list[12]: 382 DATA = float(process_list[12][:-1]) 383 elif ‘g‘ in process_list[12]: 384 DATA = float(process_list[12][:-1]) * 1024 385 else: 386 DATA = float(process_list[12]) / 1024 387 388 #Data + Stack Size 389 #The amount of private memory reserved by a process. It is also known as the Data Resident Set or DRS. 390 #Such memory may not yet be mapped to physical memory(RES) but will always be included in the 391 #virtual memory (VIRT) amount. 392 nMaj = int(process_list[13]) 393 #Major Page Fault Count 394 #The number of major page faults that have occurred for a task. A page fault occurs when a process attempts 395 #to read from or write to a virtual page that is not currently present in its address. 396 #A major page fault is when auxiliary storage access is invloved in making that page available. 397 nDRT = int(process_list[14]) 398 #Dirty Pages Count 399 #The number of pages that have been modified since they were last written to auxiliary storage. Dirty pages 400 #must be written to auxiliary storage before the corresponding physical memory location can be used for 401 #some other virtual page. 402 403 USED = 0.0 404 if ‘m‘ in process_list[15]: 405 USED = float(process_list[15][:-1]) 406 elif ‘g‘ in process_list[15]: 407 USED = float(process_list[15][:-1]) * 1024 408 else: 409 USED = float(process_list[15]) / 1024 410 411 #Memory in Use 412 #This field represents the non-swapped physical memory a task is using (RES) plus the swapped out portion 413 #of its address space (SWAP). 414 415 #8943 397.8m 218.4m 12.7m R 95.9 0.7 bundle 2 9 0.0m 0.0m 216.3m 0 0 218.4m 416 insert_sql = "INSERT INTO process_info VALUES (%d, %0.2f, %0.2f, %0.2f, ‘%s‘, %0.2f, %0.2f, ‘%s‘, %d, %d, %0.2f, %0.2f, %0.2f, %d, %d, %0.2f, ‘%s‘, ‘%s‘)" % (PID, VIRT, RES, SHR, process_status, cpu_usage, mem_usage, command_name, thread_count, use_cpu_index, SWAP, CODE, DATA, nMaj, nDRT, USED, cur_record_time, cur_time_stamp) 417 cursor.execute(insert_sql); 418 conn.commit() 419 finally: 420 topfile.close() 421 conn.close()
以上是关于python 解析top文件格式的主要内容，如果未能解决你的问题，请参考以下文章