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2026-09-07 - 15:12
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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 highest latencies:
System rackeslot2.osadl.org (updated Mon Sep 07, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
127305221640,2sleep30-21swapper/321:12:373
14743002990,2sleep30-21swapper/323:05:013
13303292780,2sleep20-21swapper/221:44:432
15196702770,2sleep10-21swapper/123:32:571
13365272760,2sleep11336415-21ssh21:49:431
13288692530,2sleep11328814-21ssh21:44:421
12509882380,2sleep30-21swapper/320:55:013
1103719992522,2cyclictest24610-21gmain23:46:171
1103718992516,8cyclictest0-21swapper/000:24:190
1103718992410,7cyclictest0-21swapper/023:29:190
1103719992316,6cyclictest24615-21JS14:54:061
110372099221,10cyclictest0-21swapper/223:04:192
1103718992213,5cyclictest1626395-21latency_hist00:30:010
1103718992210,7cyclictest0-21swapper/021:54:410
1103720992116,2cyclictest0-21swapper/221:09:202
1103720992115,2cyclictest0-21swapper/219:24:092
1103719992115,2cyclictest82050irq/121-eno121:19:411
1103718992118,2cyclictest24616-21JS14:54:060
2213291201,8phc2sys0-21swapper/322:09:213
1103719992017,2cyclictest1264422-21sh21:05:011
110371899209,6cyclictest0-21swapper/022:14:460
110371899200,15cyclictest1155071-21/usr/sbin/munin19:49:360
2213291190,2phc2sys0-21swapper/321:29:463
110371899199,6cyclictest0-21swapper/023:25:030
110371899198,6cyclictest0-21swapper/023:50:010
1103718991911,7cyclictest1300694-21cstates21:29:380
1103718991911,7cyclictest0-21swapper/022:40:000
110371899190,17cyclictest1579892-21900:05:010
110371899190,17cyclictest1103739-21ls19:10:020
13460372180,2sleep136-21ksoftirqd/121:54:401
1103720991814,2cyclictest0-21swapper/221:46:322
1103719991815,2cyclictest24617-21JS14:54:061
1103719991815,2cyclictest24616-21JS14:54:061
1103719991813,1cyclictest82050irq/121-eno100:39:381
1103719991811,3cyclictest1303038-21kthreadcore21:29:441
110371899187,10cyclictest0-21swapper/000:34:190
110371899185,6cyclictest778-21dbus-daemon00:00:010
1103718991815,2cyclictest24616-21JS14:54:060
110371899181,2cyclictest778-21dbus-daemon00:20:010
1103718991811,6cyclictest24615-21JS14:54:060
2213291171,3phc2sys0-21swapper/300:14:183
2213291170,2phc2sys0-21swapper/323:45:433
2213291170,2phc2sys0-21swapper/323:09:043
2213291170,2phc2sys0-21swapper/300:25:523
1103720991714,1cyclictest0-21swapper/223:54:432
1103720991714,1cyclictest0-21swapper/221:24:382
1103720991713,2cyclictest0-21swapper/220:27:092
110371999179,4cyclictest1534863-21grep23:39:451
110371999172,7cyclictest1161328-21dump-pmu-power19:50:001
1103719991714,2cyclictest777-21avahi-daemon00:05:021
1103719991713,3cyclictest1184524-21kthreadcore20:09:411
1103719991710,3cyclictest1587026-21kthreadcore00:09:431
110371899178,4cyclictest0-21swapper/021:12:530
110371899178,2cyclictest0-21swapper/022:54:170
110371899177,3cyclictest0-21swapper/023:32:000
110371899173,8cyclictest0-21swapper/021:39:200
1103718991714,2cyclictest813-21systemd-logind19:35:010
1103718991711,2cyclictest17850irq/132-ahci[0000:00:17.0]23:40:010
110371899171,11cyclictest0-21swapper/022:49:220
15983032160,1sleep10-21swapper/100:15:551
1103720991613,1cyclictest0-21swapper/221:05:012
1103720991613,1cyclictest0-21swapper/220:53:562
1103720991613,1cyclictest0-21swapper/220:22:592
1103720991613,1cyclictest0-21swapper/219:50:002
1103720991613,1cyclictest0-21swapper/219:32:592
110372099161,10cyclictest0-21swapper/200:29:192
1103720991610,3cyclictest0-21swapper/222:34:192
110371999166,4cyclictest1389749-21kthreadcore22:19:401
110371999166,2cyclictest0-21swapper/122:43:111
1103719991612,3cyclictest24615-21JS14:54:061
1103719991612,3cyclictest1447786-21kworker/u16:1+nfsiod22:55:151
1103719991612,3cyclictest1419370-21kthreadcore22:34:431
1103719991612,3cyclictest1409169-21kthreadcore22:29:421
1103719991612,3cyclictest1376832-21kworker/u16:0+nfsiod22:35:081
1103719991612,3cyclictest1236535-21head20:44:441
1103719991612,3cyclictest1213097-21kthreadcore20:29:411
1103719991610,2cyclictest82050irq/121-eno100:29:401
110371899169,1cyclictest0-21swapper/021:19:170
110371899168,4cyclictest1271604-21diskmemload22:22:480
110371899165,6cyclictest0-21swapper/021:59:400
1103718991613,2cyclictest813-21systemd-logind21:35:010
1103718991613,2cyclictest1338831-21kthreadcore21:49:450
1103718991613,2cyclictest1264202-21proc_pri21:05:000
1103718991612,3cyclictest1365344-21kthreadcore22:04:410
1103718991612,3cyclictest1229642-21needreboot20:39:490
1103718991612,3cyclictest1229642-21needreboot20:39:490
1103718991612,2cyclictest1415476-21diskstats22:34:370
1103718991611,4cyclictest1195769-21ls20:15:010
2213291150,3phc2sys0-21swapper/321:21:243
2213291150,2phc2sys0-21swapper/323:39:423
2213291150,2phc2sys0-21swapper/322:39:213
2213291150,2phc2sys0-21swapper/300:37:213
2213291150,2phc2sys0-21swapper/300:21:433
110372099151,8cyclictest0-21swapper/223:09:202
110372099151,7cyclictest0-21swapper/223:59:192
110372099151,7cyclictest0-21swapper/222:19:182
1103720991513,1cyclictest0-21swapper/221:36:172
1103720991512,1cyclictest0-21swapper/223:45:022
1103720991512,1cyclictest0-21swapper/223:34:422
1103720991512,1cyclictest0-21swapper/222:45:142
1103720991512,1cyclictest0-21swapper/221:54:392
1103720991512,1cyclictest0-21swapper/221:12:282
1103720991512,1cyclictest0-21swapper/220:50:012
1103720991512,1cyclictest0-21swapper/219:53:482
1103720991512,1cyclictest0-21swapper/200:30:512
1103720991512,1cyclictest0-21swapper/200:14:372
1103720991511,2cyclictest0-21swapper/222:00:012
110371999156,4cyclictest0-21swapper/123:19:191
110371999156,1cyclictest1591053-21ssh00:14:181
1103719991512,2cyclictest1607577-21runrttasks00:21:451
1103719991512,2cyclictest1478686-21kthreadcore23:09:421
1103719991512,2cyclictest1309011-21/usr/sbin/munin21:34:391
1103719991512,2cyclictest1257514-21switchtime20:59:471
1103719991512,2cyclictest1219706-21kthreadcore20:34:411
1103719991512,2cyclictest1111507-21kthreadcore19:15:031
1103719991511,3cyclictest932-1atopacctd22:55:011
1103719991511,3cyclictest1617860-21kworker/u16:1+nfsiod00:30:501
1103719991511,3cyclictest1401811-21kthreadcore22:24:421
1103719991511,3cyclictest1381854-21kthreadcore22:14:401
1103719991511,3cyclictest1366103-21kthreadcore22:04:411
1103719991511,3cyclictest1350827-21kworker/u16:3+nfsiod22:07:341
1103719991511,3cyclictest1270028-21kthreadcore21:09:511
1103719991511,3cyclictest1241765-21kthreadcore20:49:421
1103719991511,3cyclictest1227796-21kthreadcore20:39:471
1103719991511,3cyclictest1227796-21kthreadcore20:39:471
1103719991511,3cyclictest1197482-21irqcore20:19:411
1103719991511,3cyclictest1190612-21irqcore20:14:391
1103719991511,3cyclictest1169871-21irqcore19:59:411
1103719991511,3cyclictest1150503-21kthreadcore19:44:401
1103719991511,3cyclictest1142452-21irqrtprio19:39:411
1103719991511,3cyclictest1128525-21irqcore19:29:411
1103719991511,3cyclictest1125281-21kthreadcore19:24:421
1103719991511,3cyclictest1112898-21kthreadcore19:15:041
110371999150,5cyclictest0-21swapper/121:14:201
110371899159,5cyclictest1404775-21ssh22:26:410
110371899157,4cyclictest778-21dbus-daemon22:10:020
110371899156,4cyclictest1489745-21kthreadcore23:14:430
110371899155,8cyclictest0-21swapper/021:24:190
1103718991512,2cyclictest1483218-21munin-plugin-st23:10:030
1103718991512,2cyclictest1433169-21uniq22:44:370
1103718991512,2cyclictest1196644-21cpu20:19:370
1103718991512,2cyclictest1011-21gdbus00:15:010
2213291140,4phc2sys0-21swapper/322:29:433
2213291140,3phc2sys0-21swapper/321:49:223
2213291140,3phc2sys0-21swapper/319:34:183
2213291140,2phc2sys0-21swapper/323:42:093
2213291140,2phc2sys0-21swapper/323:18:353
2213291140,2phc2sys0-21swapper/321:58:523
2213291140,2phc2sys0-21swapper/320:34:573
110372099141,7cyclictest0-21swapper/219:29:202
110372099141,6cyclictest0-21swapper/222:59:202
1103720991411,1cyclictest0-21swapper/223:37:132
1103720991411,1cyclictest0-21swapper/222:45:012
1103720991411,1cyclictest0-21swapper/222:39:432
1103720991411,1cyclictest0-21swapper/222:29:412
1103720991411,1cyclictest0-21swapper/222:09:252
1103720991411,1cyclictest0-21swapper/222:04:592
1103720991411,1cyclictest0-21swapper/221:32:522
1103720991411,1cyclictest0-21swapper/221:29:502
1103720991411,1cyclictest0-21swapper/220:59:412
1103720991411,1cyclictest0-21swapper/220:34:422
1103720991411,1cyclictest0-21swapper/220:11:302
1103720991411,1cyclictest0-21swapper/219:58:592
1103720991411,1cyclictest0-21swapper/219:19:412
1103720991411,1cyclictest0-21swapper/200:19:422
1103720991410,2cyclictest0-21swapper/223:29:382
1103720991410,2cyclictest0-21swapper/222:12:352
1103720991410,1cyclictest0-21swapper/219:40:022
110371999148,2cyclictest1318212-21cpuspeed21:39:371
1103719991411,2cyclictest888730-21kworker/u16:0+nfsiod21:23:531
1103719991411,2cyclictest24472-21rtkit-daemon23:42:071
1103719991411,2cyclictest1516918-21kthreadcore23:29:431
1103719991411,2cyclictest1168297-21systemd-run19:55:011
1103719991410,3cyclictest1560983-21kthreadcore23:54:441
1103719991410,3cyclictest1506976-21kthreadcore23:24:421
1103719991410,3cyclictest1245827-21irqcore20:54:471
1103719991410,3cyclictest1204611-21irqrtprio20:24:391
1103719991410,3cyclictest1179701-21kthreadcore20:04:421
110371899147,5cyclictest376-21systemd-journal23:15:030
110371899147,5cyclictest1011-21gdbus20:35:020
110371899147,3cyclictest1271604-21diskmemload22:19:230
110371899145,4cyclictest1176507-21tail20:04:380
110371899144,4cyclictest1561730-21date23:54:480
110371899143,6cyclictest1206-21snmpd22:57:480
110371899142,7cyclictest0-21swapper/020:54:320
110371899142,7cyclictest0-21swapper/020:00:010
1103718991411,2cyclictest1270368-21kthreadcore21:09:510
1103718991411,2cyclictest1243626-21sendmail_mailqu20:49:460
1103718991411,2cyclictest1237299-21sh20:45:020
1103718991411,2cyclictest1209027-21pmu-power20:24:440
1103718991411,2cyclictest1184647-21kthreadcore20:09:410
1103718991411,2cyclictest1154241-21unixbench-2d19:44:460
1103718991410,3cyclictest171ktimers/019:54:190
1103718991410,3cyclictest1133747-21grep19:30:010
110371899140,9cyclictest1256448-21grep20:59:430
110371899140,7cyclictest1583614-21kernelversion00:09:410
2213291133,3phc2sys0-21swapper/322:32:153
2213291131,3phc2sys0-21swapper/319:05:093
2213291130,4phc2sys0-21swapper/321:54:183
2213291130,2phc2sys0-21swapper/323:13:253
2213291130,2phc2sys0-21swapper/322:56:163
2213291130,2phc2sys0-21swapper/322:22:333
2213291130,2phc2sys0-21swapper/319:19:353
2213291130,1phc2sys0-21swapper/300:03:563
110372099131,6cyclictest0-21swapper/222:51:332
1103720991311,1cyclictest0-21swapper/220:09:412
1103720991311,1cyclictest0-21swapper/219:44:402
1103720991311,1cyclictest0-21swapper/200:20:042
1103720991310,1cyclictest0-21swapper/223:18:082
1103720991310,1cyclictest0-21swapper/223:12:182
1103720991310,1cyclictest0-21swapper/220:45:022
1103720991310,1cyclictest0-21swapper/220:39:462
1103720991310,1cyclictest0-21swapper/220:39:462
1103720991310,1cyclictest0-21swapper/219:14:422
1103720991310,1cyclictest0-21swapper/200:39:422
1103720991310,1cyclictest0-21swapper/200:08:372
1103720991310,1cyclictest0-21swapper/200:04:422
110372099130,7cyclictest0-21swapper/222:24:182
110371999139,3cyclictest1445658-21kthreadcore22:49:451
1103719991310,2cyclictest0-21swapper/121:58:591
110371899131,7cyclictest0-21swapper/019:39:190
1103718991310,2cyclictest1638410-21gltestperf00:39:400
1103718991310,2cyclictest1210943-21fschecks_time20:29:380
1103718991310,2cyclictest1125081-21kthreadcore19:24:420
1103718991310,2cyclictest1110038-21ptp4l-jitter19:14:450
2213291123,2phc2sys0-21swapper/321:35:313
2213291121,6phc2sys0-21swapper/319:49:183
2213291121,5phc2sys0-21swapper/319:59:203
2213291121,5phc2sys0-21swapper/319:44:173
2213291121,4phc2sys0-21swapper/320:04:193
2213291120,3phc2sys0-21swapper/323:24:193
2213291120,3phc2sys0-21swapper/321:34:193
2213291120,2phc2sys0-21swapper/322:45:143
2213291120,2phc2sys0-21swapper/322:11:273
2213291120,2phc2sys0-21swapper/300:19:193
2213291120,1phc2sys0-21swapper/320:17:153
110372099129,1cyclictest0-21swapper/223:24:232
110372099129,1cyclictest0-21swapper/220:19:432
110372099129,1cyclictest0-21swapper/220:04:402
110372099121,6cyclictest0-21swapper/223:49:192
110371999120,5cyclictest1103540-21latency_hist19:10:031
110371899120,3cyclictest0-21swapper/019:18:540
2213291112,2phc2sys0-21swapper/321:42:373
2213291111,2phc2sys0-21swapper/300:00:033
2213291110,5phc2sys0-21swapper/320:59:193
2213291110,2phc2sys0-21swapper/322:50:113
2213291110,2phc2sys0-21swapper/320:47:443
2213291110,2phc2sys0-21swapper/320:21:393
2213291110,2phc2sys0-21swapper/320:14:183
2213291110,2phc2sys0-21swapper/319:24:033
2213291110,2phc2sys0-21swapper/300:31:293
2213291110,1phc2sys0-21swapper/320:38:363
2213291110,1phc2sys0-21swapper/320:38:363
110372099116,3cyclictest0-21swapper/221:16:592
2213291105,2phc2sys0-21swapper/320:07:523
2213291102,2phc2sys0-21swapper/322:02:533
2213291100,2phc2sys0-21swapper/323:28:203
2213291100,2phc2sys0-21swapper/322:42:133
2213291100,2phc2sys0-21swapper/321:04:573
2213291100,2phc2sys0-21swapper/319:54:463
2213291100,2phc2sys0-21swapper/319:14:183
2213291100,2phc2sys0-21swapper/300:07:403
15541942100,2sleep30-21swapper/323:51:163
221329191,2phc2sys0-21swapper/321:15:353
221329191,2phc2sys0-21swapper/319:27:093
221329190,2phc2sys0-21swapper/323:30:413
221329190,2phc2sys0-21swapper/322:15:163
221329190,2phc2sys0-21swapper/321:05:053
221329190,2phc2sys0-21swapper/320:42:083
221329190,2phc2sys0-21swapper/320:30:023
221329190,2phc2sys0-21swapper/319:36:593
11037209980,4cyclictest0-21swapper/219:10:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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