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2023-12-10 - 02:06
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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 792 highest latencies:
System rackdslot1.osadl.org (updated Sat Dec 09, 2023 12:46:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2531922120,6sleep10-21swapper/107:05:341
1176911530,8ptp4l0-21swapper/007:09:140
1176911410,48ptp4l0-21swapper/307:09:443
1176911230,15ptp4l0-21swapper/207:06:092
126422880,8sleep02649499cyclictest07:45:420
237732790,5sleep1241ktimersoftd/108:10:371
117691770,2ptp4l0-21swapper/212:15:202
148722700,8sleep12649599cyclictest09:00:371
117691700,2ptp4l0-21swapper/110:47:301
26494996924,8cyclictest9-21ksoftirqd/009:05:300
117691690,4ptp4l1185-21lldpd12:35:372
117691690,23ptp4l1185-21lldpd08:25:052
117691680,4ptp4l216-21systemd-journal12:02:352
117691670,4ptp4l23310-21apt-get10:30:221
117691670,4ptp4l1159-21snmpd08:53:070
117691670,4ptp4l1159-21snmpd08:53:070
117691670,2ptp4l0-21swapper/211:58:542
117691670,2ptp4l0-21swapper/208:38:592
117691660,6ptp4l1185-21lldpd09:43:582
117691660,4ptp4l1185-21lldpd08:25:411
117691660,31ptp4l41-21ksoftirqd/308:55:393
117691660,2ptp4l0-21swapper/111:53:091
117691660,20ptp4l1185-21lldpd11:32:172
117691660,19ptp4l0-21swapper/310:20:363
26494996558,4cyclictest9-21ksoftirqd/007:55:230
117691650,4ptp4l1185-21lldpd11:18:582
117691650,2ptp4l0-21swapper/208:49:522
117691650,2ptp4l0-21swapper/208:17:112
117691650,2ptp4l0-21swapper/207:50:482
117691650,2ptp4l0-21swapper/207:50:482
117691640,5ptp4l1185-21lldpd12:33:392
117691640,5ptp4l1185-21lldpd08:34:142
117691640,5ptp4l1185-21lldpd07:15:072
117691640,4ptp4l1185-21lldpd07:42:132
117691640,2ptp4l0-21swapper/210:12:492
117691640,2ptp4l0-21swapper/209:19:212
117691630,5ptp4l1185-21lldpd12:12:302
117691630,4ptp4l216-21systemd-journal09:25:451
117691630,4ptp4l1185-21lldpd11:11:242
117691630,4ptp4l1185-21lldpd09:15:373
117691630,2ptp4l0-21swapper/310:33:003
117691630,2ptp4l0-21swapper/210:44:222
117691630,23ptp4l23790-21ps08:10:373
117691630,23ptp4l216-21systemd-journal11:04:482
117691630,17ptp4l0-21swapper/311:26:383
117691620,5ptp4l1159-21snmpd08:22:542
117691620,4ptp4l5365-21sed12:05:332
117691620,4ptp4l1159-21snmpd09:45:512
117691620,2ptp4l0-21swapper/311:15:153
117691620,2ptp4l0-21swapper/310:36:053
117691620,2ptp4l0-21swapper/310:36:043
117691620,2ptp4l0-21swapper/307:56:293
117691620,2ptp4l0-21swapper/210:16:482
117691620,2ptp4l0-21swapper/208:08:122
117691620,2ptp4l0-21swapper/207:20:362
117691620,21ptp4l1185-21lldpd09:07:172
26494996153,3cyclictest9-21ksoftirqd/010:20:190
117691610,5ptp4l1185-21lldpd10:38:002
117691610,5ptp4l1185-21lldpd10:37:592
117691610,5ptp4l1159-21snmpd09:54:252
117691610,5ptp4l0-21swapper/008:56:540
117691610,4ptp4l1185-21lldpd10:04:532
117691610,2ptp4l0-21swapper/312:19:123
117691610,2ptp4l0-21swapper/309:27:473
117691610,2ptp4l0-21swapper/308:17:363
117691610,2ptp4l0-21swapper/307:45:233
117691610,2ptp4l0-21swapper/211:38:462
117691610,2ptp4l0-21swapper/208:04:022
117691610,2ptp4l0-21swapper/207:56:452
117691610,22ptp4l1185-21lldpd12:26:572
117691610,19ptp4l0-21swapper/312:11:313
117691610,19ptp4l0-21swapper/308:54:053
117691610,19ptp4l0-21swapper/308:54:053
117691610,18ptp4l0-21swapper/311:21:053
117691610,17ptp4l0-21swapper/307:51:053
117691610,17ptp4l0-21swapper/307:51:053
117691600,5ptp4l1185-21lldpd09:44:550
117691600,5ptp4l1185-21lldpd09:36:242
117691600,4ptp4l1185-21lldpd11:43:373
117691600,4ptp4l1185-21lldpd10:44:481
117691600,2ptp4l0-21swapper/310:15:473
117691600,2ptp4l0-21swapper/307:28:243
117691600,2ptp4l0-21swapper/211:47:272
117691600,2ptp4l0-21swapper/211:47:272
117691600,1ptp4l0-21swapper/312:25:593
117691600,1ptp4l0-21swapper/308:06:153
117691600,17ptp4l1185-21lldpd10:07:482
23632590,3sleep125-21ksoftirqd/112:00:201
117691590,4ptp4l216-21systemd-journal11:53:042
117691590,2ptp4l0-21swapper/312:08:143
117691590,2ptp4l0-21swapper/308:27:043
117691590,2ptp4l0-21swapper/208:44:452
117691590,2ptp4l0-21swapper/008:35:120
117691590,22ptp4l1185-21lldpd11:32:033
26494995851,4cyclictest9-21ksoftirqd/010:30:220
117691580,4ptp4l1185-21lldpd08:38:021
117691580,3ptp4l1159-21snmpd08:40:523
117691580,2ptp4l0-21swapper/311:48:263
117691580,2ptp4l0-21swapper/311:48:263
117691580,2ptp4l0-21swapper/209:00:352
117691580,2ptp4l0-21swapper/111:29:001
117691580,2ptp4l0-21swapper/009:20:000
117691580,1ptp4l0-21swapper/207:36:352
117691580,18ptp4l0-21swapper/311:02:113
117691580,15ptp4l0-21swapper/307:22:383
26494995750,4cyclictest9-21ksoftirqd/010:10:210
117691570,4ptp4l1185-21lldpd11:20:482
117691570,4ptp4l1185-21lldpd09:58:121
117691570,3ptp4l121rcu_preempt10:02:023
117691570,2ptp4l0-21swapper/311:58:503
117691570,2ptp4l0-21swapper/309:41:063
117691570,2ptp4l0-21swapper/309:39:163
117691570,2ptp4l0-21swapper/012:38:320
117691570,15ptp4l0-21swapper/210:48:362
117691560,5ptp4l1185-21lldpd11:36:551
117691560,4ptp4l1185-21lldpd08:55:012
117691560,4ptp4l1185-21lldpd07:54:400
117691560,4ptp4l1185-21lldpd07:54:400
117691560,4ptp4l1185-21lldpd07:32:132
117691560,2ptp4l0-21swapper/309:57:193
117691560,2ptp4l0-21swapper/107:44:071
117691560,2ptp4l0-21swapper/010:40:260
117691560,13ptp4l0-21swapper/311:50:193
26494995526,5cyclictest9-21ksoftirqd/011:20:240
26494995524,5cyclictest9-21ksoftirqd/011:50:000
26494995524,5cyclictest9-21ksoftirqd/011:49:590
117691550,4ptp4l6268-21/usr/sbin/munin07:35:413
117691550,2ptp4l0-21swapper/311:08:193
117691550,2ptp4l0-21swapper/307:15:553
117691550,2ptp4l0-21swapper/212:20:172
117691550,2ptp4l0-21swapper/210:32:162
117691550,2ptp4l0-21swapper/111:07:401
117691550,2ptp4l0-21swapper/010:03:000
117691550,1ptp4l0-21swapper/207:26:232
117691550,15ptp4l0-21swapper/310:49:263
117691540,9ptp4l1185-21lldpd12:37:223
117691540,5ptp4l1159-21snmpd10:17:540
117691540,4ptp4l1185-21lldpd11:08:342
117691540,4ptp4l1159-21snmpd11:22:031
117691540,2ptp4l0-21swapper/309:22:093
117691540,2ptp4l0-21swapper/309:01:093
117691540,2ptp4l0-21swapper/308:36:043
117691540,2ptp4l0-21swapper/112:24:061
117691540,2ptp4l0-21swapper/110:25:301
117691540,2ptp4l0-21swapper/110:00:091
117691540,2ptp4l0-21swapper/107:11:151
117691540,2ptp4l0-21swapper/011:57:590
117691540,2ptp4l0-21swapper/011:29:380
117691540,2ptp4l0-21swapper/009:35:010
117691540,20ptp4l41-21ksoftirqd/309:50:353
117691540,14ptp4l0-21swapper/210:58:172
2649499531,9cyclictest121rcu_preempt12:25:230
117691530,5ptp4l1185-21lldpd09:22:510
117691530,5ptp4l1159-21snmpd07:23:220
117691530,4ptp4l1185-21lldpd10:53:061
117691530,4ptp4l1185-21lldpd08:59:271
117691530,4ptp4l1159-21snmpd09:48:433
117691530,2ptp4l0-21swapper/310:26:323
117691530,2ptp4l0-21swapper/211:44:582
117691530,2ptp4l0-21swapper/111:46:331
117691530,2ptp4l0-21swapper/111:46:331
117691530,2ptp4l0-21swapper/108:07:481
117691530,2ptp4l0-21swapper/011:31:590
117691530,13ptp4l0-21swapper/310:53:173
26494995225,4cyclictest9-21ksoftirqd/012:10:250
26494995223,5cyclictest9-21ksoftirqd/009:25:420
117691520,5ptp4l1185-21lldpd11:17:131
117691520,4ptp4l1159-21snmpd10:55:063
117691520,2ptp4l0-21swapper/312:01:033
117691520,2ptp4l0-21swapper/308:20:553
117691520,2ptp4l0-21swapper/307:12:093
117691520,2ptp4l0-21swapper/210:27:322
117691520,2ptp4l0-21swapper/112:36:451
117691520,2ptp4l0-21swapper/111:03:521
117691520,2ptp4l0-21swapper/107:18:081
117691520,2ptp4l0-21swapper/010:38:420
117691520,2ptp4l0-21swapper/010:38:420
117691520,2ptp4l0-21swapper/010:25:320
117691520,2ptp4l0-21swapper/009:46:430
117691520,2ptp4l0-21swapper/009:04:230
117691520,2ptp4l0-21swapper/008:18:090
117691520,2ptp4l0-21swapper/008:00:500
117691520,1ptp4l0-21swapper/308:31:053
117691520,1ptp4l0-21swapper/108:03:061
26495995138,7cyclictest25-21ksoftirqd/109:05:201
117691510,4ptp4l216-21systemd-journal10:20:082
117691510,4ptp4l1159-21snmpd12:34:403
117691510,4ptp4l1159-21snmpd09:55:450
117691510,3ptp4l1185-21lldpd07:32:470
117691510,2ptp4l0-21swapper/310:10:513
117691510,2ptp4l0-21swapper/308:00:153
117691510,2ptp4l0-21swapper/307:34:083
117691510,2ptp4l0-21swapper/207:45:592
117691510,2ptp4l0-21swapper/112:07:041
117691510,2ptp4l0-21swapper/107:37:351
117691510,2ptp4l0-21swapper/107:29:031
117691510,1ptp4l0-21swapper/107:45:361
26494995018,4cyclictest121rcu_preempt12:00:220
117691500,6ptp4l1159-21snmpd09:13:413
117691500,2ptp4l0-21swapper/312:21:493
117691500,2ptp4l0-21swapper/310:43:413
117691500,2ptp4l0-21swapper/307:40:283
117691500,2ptp4l0-21swapper/211:29:502
117691500,2ptp4l0-21swapper/209:21:082
117691500,2ptp4l0-21swapper/208:12:562
117691500,2ptp4l0-21swapper/109:18:171
117691500,2ptp4l0-21swapper/010:50:270
117691500,2ptp4l0-21swapper/010:47:390
117691500,2ptp4l0-21swapper/009:33:310
117691500,2ptp4l0-21swapper/008:48:320
117691500,2ptp4l0-21swapper/008:34:450
117691500,2ptp4l0-21swapper/007:18:480
117691500,1ptp4l0-21swapper/308:47:143
117691500,1ptp4l0-21swapper/108:34:211
117691500,15ptp4l1185-21lldpd11:00:210
117691500,14ptp4l1185-21lldpd08:25:390
117691500,13ptp4l0-21swapper/209:10:132
26494994922,4cyclictest9-21ksoftirqd/009:15:000
26494994921,4cyclictest9-21ksoftirqd/008:05:370
117791490,10getstats0-21swapper/309:07:283
117691490,3ptp4l1185-21lldpd09:52:291
117691490,2ptp4l0-21swapper/311:14:313
117691490,2ptp4l0-21swapper/209:30:512
117691490,2ptp4l0-21swapper/109:30:451
117691490,2ptp4l0-21swapper/109:12:341
117691490,2ptp4l0-21swapper/012:18:220
117691490,2ptp4l0-21swapper/007:13:160
117691490,1ptp4l0-21swapper/310:09:593
117691490,1ptp4l0-21swapper/208:50:412
117691490,1ptp4l0-21swapper/208:50:402
117691490,1ptp4l0-21swapper/207:10:112
117691490,1ptp4l0-21swapper/008:41:110
117691490,11ptp4l0-21swapper/007:25:400
117691490,10ptp4l0-21swapper/012:07:540
26494994829,4cyclictest9-21ksoftirqd/012:30:270
117791480,9getstats0-21swapper/309:34:313
117691480,2ptp4l0-21swapper/209:28:372
117691480,2ptp4l0-21swapper/007:38:320
117691480,1ptp4l0-21swapper/110:56:571
117691480,1ptp4l0-21swapper/107:24:491
117691480,1ptp4l0-21swapper/010:06:100
117691480,1ptp4l0-21swapper/007:41:050
117691480,13ptp4l1185-21lldpd11:07:370
26494994722,7cyclictest9-21ksoftirqd/011:40:340
117691470,3ptp4l1159-21snmpd10:19:251
117691470,1ptp4l0-21swapper/112:32:521
117691470,12ptp4l1159-21snmpd12:22:330
26494994617,4cyclictest9-21ksoftirqd/008:13:150
117691460,9ptp4l0-21swapper/010:58:000
117691460,2ptp4l0-21swapper/210:50:402
117691450,7ptp4l5402-21sed09:50:280
117691450,6ptp4l1159-21snmpd08:24:570
26494994411,7cyclictest9-21ksoftirqd/011:35:340
117691440,10ptp4l0-21swapper/109:41:181
26495994332,6cyclictest25-21ksoftirqd/108:40:221
26494994311,5cyclictest9-21ksoftirqd/011:15:190
117691430,9ptp4l0-21swapper/110:38:481
117691430,9ptp4l0-21swapper/110:38:481
117691430,9ptp4l0-21swapper/011:50:350
117691430,4ptp4l1159-21snmpd11:35:453
26494994228,5cyclictest9-21ksoftirqd/011:10:280
117691420,5ptp4l28068-21sed08:20:291
117691420,4ptp4l25-21ksoftirqd/112:10:201
117691420,4ptp4l216-21systemd-journal08:16:531
117691410,9ptp4l1185-21lldpd11:33:441
117691410,8ptp4l1185-21lldpd12:28:291
117691410,8ptp4l1185-21lldpd09:56:262
117691410,5ptp4l9791-21iostat_ios08:50:311
117691410,5ptp4l9791-21iostat_ios08:50:311
117691410,3ptp4l25-21ksoftirqd/109:38:201
117691410,1ptp4l0-21swapper/112:18:231
117691400,5ptp4l1185-21lldpd07:57:481
117691400,5ptp4l1185-21lldpd07:50:171
117691400,5ptp4l1185-21lldpd07:50:171
117691400,4ptp4l26000-21smartctl11:40:381
117691400,2ptp4l4131-21kworker/1:108:48:291
117691400,2ptp4l0-21swapper/107:30:061
117691390,5ptp4l1185-21lldpd11:56:211
117691390,5ptp4l1185-21lldpd11:11:111
117691390,5ptp4l1185-21lldpd10:24:121
117691390,5ptp4l1185-21lldpd09:22:301
117691390,5ptp4l0-21swapper/110:09:041
117691380,4ptp4l26493-21cyclictest10:14:181
117691380,2ptp4l0-21swapper/109:46:041
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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