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2024-04-15 - 18:29
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 100 highest latencies:
System rackdslot1.osadl.org (updated Mon Apr 15, 2024 12:46:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1176911740,15ptp4l0-21swapper/007:07:200
1176911650,14ptp4l0-21swapper/107:09:311
1068321580,7sleep21259199cyclictest11:40:182
1068321580,7sleep21259199cyclictest11:40:172
1176911490,62ptp4l0-21swapper/207:05:332
1176911050,8ptp4l0-21swapper/307:05:343
117691710,2ptp4l0-21swapper/112:00:241
117691670,5ptp4l2722-21latency_hist10:15:010
117691670,2ptp4l0-21swapper/010:50:160
117691660,8ptp4l0-21swapper/009:54:190
117691650,6ptp4l32112-21switchtime11:15:250
117691650,5ptp4l1591-21meminfo11:20:170
117691640,6ptp4l29483-21grep11:10:191
117691640,4ptp4l19973-21df_inode12:00:130
117691640,2ptp4l0-21swapper/108:20:111
117691640,1ptp4l0-21swapper/110:31:311
117691630,4ptp4l4805-21df09:10:100
117691610,2ptp4l0-21swapper/111:07:591
117691590,3ptp4l0-21swapper/109:35:081
117691590,2ptp4l0-21swapper/208:06:452
117691590,2ptp4l0-21swapper/012:17:240
117691580,2ptp4l0-21swapper/210:47:402
117691570,2ptp4l0-21swapper/309:20:193
117691570,2ptp4l0-21swapper/112:35:101
117691570,2ptp4l0-21swapper/107:55:251
117691570,2ptp4l0-21swapper/107:15:201
117691570,2ptp4l0-21swapper/009:58:460
117691570,2ptp4l0-21swapper/009:02:580
117691560,2ptp4l0-21swapper/308:20:323
117691560,2ptp4l0-21swapper/209:45:122
117691560,2ptp4l0-21swapper/209:10:182
117691560,2ptp4l0-21swapper/110:55:081
117691560,2ptp4l0-21swapper/107:20:021
117691560,2ptp4l0-21swapper/012:30:050
117691560,1ptp4l0-21swapper/010:55:560
117691560,1ptp4l0-21swapper/007:22:160
117691550,2ptp4l0-21swapper/211:25:142
117691550,2ptp4l0-21swapper/210:30:162
117691550,2ptp4l0-21swapper/209:09:402
117691550,2ptp4l0-21swapper/209:09:402
117691550,2ptp4l0-21swapper/111:45:281
117691550,2ptp4l0-21swapper/008:26:040
117691550,2ptp4l0-21swapper/007:45:150
117691550,1ptp4l0-21swapper/110:15:061
117691550,1ptp4l0-21swapper/108:00:291
117691550,1ptp4l0-21swapper/010:04:400
117691550,1ptp4l0-21swapper/009:21:440
241812540,2sleep20-21swapper/211:00:112
117691540,2ptp4l0-21swapper/211:15:222
117691540,1ptp4l0-21swapper/009:25:210
117691530,2ptp4l0-21swapper/211:07:052
117691530,2ptp4l0-21swapper/208:21:042
117691530,2ptp4l0-21swapper/110:47:521
117691530,2ptp4l0-21swapper/010:32:590
117691530,2ptp4l0-21swapper/007:44:110
117691530,1ptp4l0-21swapper/112:27:291
117691530,1ptp4l0-21swapper/110:01:081
117691530,1ptp4l0-21swapper/011:04:070
117691530,13ptp4l0-21swapper/109:45:001
117691530,11ptp4l0-21swapper/109:10:101
117691520,2ptp4l0-21swapper/212:07:312
117691520,2ptp4l0-21swapper/208:13:352
117691520,2ptp4l0-21swapper/110:35:171
117691520,2ptp4l0-21swapper/109:50:401
117691520,2ptp4l0-21swapper/108:15:361
117691520,2ptp4l0-21swapper/108:06:191
117691520,1ptp4l0-21swapper/008:10:200
117691510,2ptp4l0-21swapper/112:10:111
117691510,2ptp4l0-21swapper/110:29:221
117691510,2ptp4l0-21swapper/110:29:221
117691510,2ptp4l0-21swapper/109:55:171
117691510,2ptp4l0-21swapper/108:46:541
117691510,2ptp4l0-21swapper/107:31:201
117691510,2ptp4l0-21swapper/008:07:350
117691510,1ptp4l0-21swapper/111:00:181
117691510,1ptp4l0-21swapper/108:14:571
117691510,10ptp4l0-21swapper/012:36:120
117691500,9ptp4l0-21swapper/011:11:300
117691500,2ptp4l0-21swapper/308:09:403
117691500,2ptp4l0-21swapper/208:46:102
117691500,2ptp4l0-21swapper/111:57:131
117691500,2ptp4l0-21swapper/109:30:191
117691500,2ptp4l0-21swapper/008:48:100
117691500,1ptp4l0-21swapper/108:34:041
117691500,1ptp4l0-21swapper/108:28:061
117691500,1ptp4l0-21swapper/107:10:391
117691500,1ptp4l0-21swapper/008:01:150
117691500,11ptp4l0-21swapper/209:34:062
117691490,2ptp4l0-21swapper/212:14:542
117691490,2ptp4l0-21swapper/208:25:262
117691490,2ptp4l0-21swapper/110:24:311
117691490,2ptp4l0-21swapper/110:10:181
117691490,2ptp4l0-21swapper/008:54:250
117691490,1ptp4l0-21swapper/109:05:201
117691490,1ptp4l0-21swapper/109:05:191
117691490,1ptp4l0-21swapper/108:36:241
117691480,8ptp4l0-21swapper/209:17:542
117691480,2ptp4l0-21swapper/208:38:232
117691480,2ptp4l0-21swapper/107:45:461
117691480,2ptp4l0-21swapper/011:40:560
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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