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2025-12-30 - 08:33
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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 all highest latencies:
System rackeslot2.osadl.org (updated Tue Dec 30, 2025 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16127702430,2sleep20-21swapper/221:48:252
1394258993027,1cyclictest0-21swapper/200:00:002
15860442280,3sleep30-21swapper/321:33:273
15689922270,1sleep10-21swapper/121:24:521
2649091242,2phc2sys0-21swapper/321:35:063
1394257992416,3cyclictest1646105-21kthreadcore22:08:241
1394256992421,2cyclictest1848356-21perf00:00:000
1394256992414,6cyclictest1582061-21kthreadcore21:33:210
1394256992219,2cyclictest1839364-21dump-pmu-power23:55:000
1394256992213,5cyclictest1888327-21kthreadcore00:23:230
1394257992119,1cyclictest1414592-21idleruntime-cro19:25:001
1394257992114,3cyclictest1755983-21kthreadcore23:08:231
1394257992113,3cyclictest1746973-21kthreadcore23:03:231
1394256992114,3cyclictest191rcu_preempt21:18:190
1394256992110,6cyclictest0-21swapper/023:40:010
1394256992110,6cyclictest0-21swapper/023:40:010
1394256992110,6cyclictest0-21swapper/022:03:150
2649091200,2phc2sys0-21swapper/300:03:183
139425899201,12cyclictest0-21swapper/223:00:022
1394257992017,2cyclictest1713613-21systemd-run22:45:021
1394256992017,2cyclictest1414073-21mailstats19:23:280
1394256992017,2cyclictest1329-21rs:main0
1394256992013,6cyclictest1893927-21runrttasks00:25:110
1394256992011,1cyclictest0-21swapper/000:15:020
2649091190,2phc2sys0-21swapper/323:24:423
1394258991916,1cyclictest0-21swapper/200:10:012
139425699199,5cyclictest0-21swapper/021:25:020
139425699199,5cyclictest0-21swapper/000:18:280
139425699190,7cyclictest1742925-21/usr/sbin/munin23:03:150
2649091180,2phc2sys0-21swapper/323:27:233
2649091180,2phc2sys0-21swapper/322:46:233
2649091180,2phc2sys0-21swapper/300:37:203
1394258991816,1cyclictest0-21swapper/200:20:012
1394258991815,1cyclictest0-21swapper/222:40:012
1394258991815,1cyclictest0-21swapper/220:45:012
1394258991815,1cyclictest0-21swapper/219:15:022
139425899181,11cyclictest0-21swapper/222:00:022
1394257991815,2cyclictest1519715-21kernelversion20:53:211
1394257991815,2cyclictest0-21swapper/100:05:011
1394257991812,2cyclictest134050irq/121-eno123:28:131
1394257991811,3cyclictest1634624-21/usr/sbin/munin22:03:281
139425699187,6cyclictest0-21swapper/021:53:140
1394256991815,2cyclictest1707418-21expr22:43:170
1394256991812,5cyclictest1652679-21/usr/sbin/munin22:13:240
1394256991810,4cyclictest1912034-21munin-run00:35:020
1394256991810,3cyclictest1914167-21/usr/sbin/munin00:38:200
2649091170,3phc2sys0-21swapper/321:23:223
2649091170,2phc2sys0-21swapper/323:01:263
2649091170,2phc2sys0-21swapper/322:35:373
1394258991715,1cyclictest0-21swapper/200:05:012
1394258991714,1cyclictest0-21swapper/221:45:002
1394258991714,1cyclictest0-21swapper/219:35:012
1394257991715,1cyclictest1432794-21cron19:40:011
1394257991714,2cyclictest1914167-21/usr/sbin/munin00:38:271
1394257991714,2cyclictest1394254-21cyclictest00:33:211
1394257991714,2cyclictest1329-21rs:main1
1394257991714,2cyclictest1290-21dbus-daemon19:20:011
1394257991713,2cyclictest1875731-21latency_hist00:15:011
1394257991713,2cyclictest0-21swapper/100:00:011
1394257991712,1cyclictest2902298rtkit-daemon23:45:381
1394257991711,2cyclictest134050irq/121-eno120:48:221
139425699179,4cyclictest1716020-21aten_repower_en22:48:150
139425699179,4cyclictest0-21swapper/023:15:010
139425699178,5cyclictest1288-1atopacctd23:08:160
139425699178,2cyclictest0-21swapper/023:28:150
139425699177,5cyclictest0-21swapper/021:38:250
139425699175,5cyclictest0-21swapper/000:10:020
1394256991715,1cyclictest0-21swapper/021:30:000
1394256991714,2cyclictest1400353-21systemd19:15:010
1394256991714,2cyclictest1394254-21cyclictest21:43:230
1394256991713,3cyclictest1469156-21perf20:10:000
1394256991711,2cyclictest0-21swapper/023:22:340
2649091164,1phc2sys0-21swapper/323:45:343
2649091161,3phc2sys0-21swapper/323:36:243
2649091161,3phc2sys0-21swapper/323:36:243
2649091160,2phc2sys0-21swapper/323:41:453
2649091160,2phc2sys0-21swapper/323:41:453
2649091160,1phc2sys0-21swapper/321:04:563
1394258991614,1cyclictest0-21swapper/219:10:022
1394258991614,1cyclictest0-21swapper/200:35:012
1394258991614,1cyclictest0-21swapper/200:25:022
1394258991613,1cyclictest0-21swapper/222:30:012
1394258991613,1cyclictest0-21swapper/222:18:162
1394258991613,1cyclictest0-21swapper/221:53:192
1394258991613,1cyclictest0-21swapper/221:28:212
1394258991613,1cyclictest0-21swapper/220:25:012
1394257991614,1cyclictest29021-21rtkit-daemon21:18:021
1394257991613,2cyclictest1833141-21cpuspeed_turbos23:53:171
1394257991613,2cyclictest1653049-21tr22:13:171
1394257991613,2cyclictest1584227-21kthreadcore21:33:221
1394257991613,2cyclictest1578502-21systemd-run21:30:011
1394257991613,2cyclictest1482556-21gltestperf20:23:191
1394257991613,2cyclictest1394254-21cyclictest23:15:311
1394257991613,2cyclictest0-21swapper/123:00:011
1394257991612,3cyclictest1722585-21kworker/u16:1+nfsiod23:40:121
1394257991612,3cyclictest1722585-21kworker/u16:1+nfsiod23:40:121
1394257991612,3cyclictest1551180-21kworker/u16:2+nfsiod21:52:551
1394257991612,2cyclictest0-21swapper/120:20:021
1394257991610,2cyclictest134050irq/121-eno122:53:231
139425699167,5cyclictest0-21swapper/021:48:140
139425699166,6cyclictest1816203-21kthreadcore23:43:220
139425699166,6cyclictest1816203-21kthreadcore23:43:220
139425699165,5cyclictest1797789-21if_enp1s023:33:210
1394256991614,1cyclictest1677193-21dump-pmu-power22:25:000
1394256991613,2cyclictest1702722-21head22:38:250
1394256991613,2cyclictest1476391-21fschecks_time20:18:200
1394256991612,3cyclictest1641492-21kworker/u16:1+nfsiod22:07:440
1394256991612,3cyclictest1495776-21kthreadcore20:33:200
1394256991612,2cyclictest0-21swapper/020:45:010
1394256991610,5cyclictest1630161-21kthreadcore21:58:240
139425699160,15cyclictest0-21swapper/021:10:300
2902298150,7rtkit-daemon1190-17auditd20:53:230
2649091158,3phc2sys0-21swapper/320:25:013
2649091151,2phc2sys0-21swapper/323:35:003
2649091151,2phc2sys0-21swapper/300:33:223
2649091150,2phc2sys0-21swapper/300:22:373
144652721511,2sleep20-21swapper/219:53:212
139425899157,5cyclictest0-21swapper/222:50:022
139425899151,8cyclictest0-21swapper/221:20:022
1394258991513,1cyclictest0-21swapper/200:30:012
1394258991513,1cyclictest0-21swapper/200:15:012
1394258991512,1cyclictest0-21swapper/223:53:252
1394258991512,1cyclictest0-21swapper/223:40:002
1394258991512,1cyclictest0-21swapper/223:40:002
1394258991512,1cyclictest0-21swapper/223:28:162
1394258991512,1cyclictest0-21swapper/220:48:262
1394258991512,1cyclictest0-21swapper/220:28:182
1394258991512,1cyclictest0-21swapper/220:10:012
1394258991512,1cyclictest0-21swapper/200:38:252
139425799158,2cyclictest134050irq/121-eno122:33:151
139425799157,7cyclictest1888558-21tr00:23:231
1394257991513,1cyclictest1860748-21ssh00:08:191
1394257991512,2cyclictest1767419-21latency_hist23:15:011
1394257991512,2cyclictest1632161-21cron22:00:011
1394257991512,2cyclictest1614268-21latency_hist21:50:011
1394257991512,2cyclictest1549265-21latency21:13:231
1394257991512,2cyclictest1542092-21diskmemload22:28:281
1394257991512,2cyclictest1529529-21switchtime20:58:271
1394257991512,2cyclictest1502330-21kthreadcore20:38:231
1394257991512,2cyclictest1495057-21grep20:33:191
1394257991512,2cyclictest1493482-21systemd-run20:30:011
1394257991512,2cyclictest1398127-21kthreadcore19:13:231
1394257991511,3cyclictest1551180-21kworker/u16:2+nfsiod21:37:261
1394257991511,3cyclictest1272966-21kworker/u16:0+nfsiod23:33:091
139425799150,3cyclictest0-21swapper/121:43:341
139425699157,7cyclictest1437235-21tr19:43:210
139425699155,6cyclictest0-21swapper/020:01:230
139425699151,9cyclictest1736971-21grep22:58:230
1394256991512,2cyclictest1851542-21cut00:03:190
1394256991512,2cyclictest1729039-21kthreadcore22:53:230
1394256991512,2cyclictest1288-1atopacctd22:28:350
1394256991511,3cyclictest1722585-21kworker/u16:1+nfsiod23:47:100
1394256991511,3cyclictest1296-21polkitd20:00:020
1394256991510,4cyclictest1641492-21kworker/u16:1-nfsiod22:33:300
2649091143,2phc2sys0-21swapper/319:53:143
2649091140,3phc2sys0-21swapper/319:18:463
2649091140,2phc2sys0-21swapper/322:26:503
2649091140,2phc2sys0-21swapper/321:48:003
2649091140,2phc2sys0-21swapper/321:17:593
139425899144,6cyclictest0-21swapper/220:55:002
139425899141,9cyclictest0-21swapper/221:10:022
1394258991412,1cyclictest0-21swapper/222:21:422
1394258991411,1cyclictest0-21swapper/223:19:092
1394258991411,1cyclictest0-21swapper/222:55:002
1394258991411,1cyclictest0-21swapper/222:13:312
1394258991411,1cyclictest0-21swapper/222:03:212
1394258991411,1cyclictest0-21swapper/221:33:342
1394258991411,1cyclictest0-21swapper/221:13:222
1394258991411,1cyclictest0-21swapper/221:00:002
1394258991410,2cyclictest0-21swapper/222:42:452
139425799147,3cyclictest1674390-21kthreadcore22:23:251
139425799142,7cyclictest0-21swapper/122:38:151
1394257991411,2cyclictest1879922-21kthreadcore00:18:231
1394257991411,2cyclictest1810302-21kthreadcore23:38:231
1394257991411,2cyclictest1810302-21kthreadcore23:38:231
1394257991411,2cyclictest1537241-21fschecks_time21:08:201
1394257991411,2cyclictest1450949-21idleruntime-cro19:55:001
1394257991411,2cyclictest1445156-21latency_hist19:50:011
1394257991410,3cyclictest1466829-21kthreadcore20:08:221
1394257991410,3cyclictest1272966-21kworker/u16:0+nfsiod22:46:441
1394257991410,3cyclictest1272966-21kworker/u16:0+nfsiod22:17:151
139425699145,5cyclictest0-21swapper/020:14:010
139425699144,5cyclictest1531824-21irqstats21:03:240
139425699141,7cyclictest1427412-21aten2.4-expect19:38:170
139425699141,5cyclictest1482599-21hddtemp_smartct20:23:190
1394256991411,2cyclictest1772717-21kthreadcore23:18:240
1394256991411,2cyclictest1662444-21gltestperf22:18:170
1394256991411,2cyclictest1529270-21pmu-power20:58:250
1394256991411,2cyclictest1512353-21/usr/sbin/munin20:48:230
1394256991411,2cyclictest1500350-21cstates20:38:180
1394256991411,2cyclictest1488576-21gltestperf20:28:200
1394256991411,2cyclictest1445059-21sh19:50:010
1394256991410,3cyclictest1423634-21kthreadcore19:33:220
2902298130,9rtkit-daemon2018-21lldpd19:32:571
2649091131,1phc2sys0-21swapper/323:05:523
2649091130,2phc2sys0-21swapper/323:57:133
2649091130,2phc2sys0-21swapper/300:28:153
2649091130,2phc2sys0-21swapper/300:07:433
2649091130,1phc2sys0-21swapper/320:50:043
2649091130,1phc2sys0-21swapper/320:46:203
139425899139,2cyclictest0-21swapper/223:45:552
139425899139,2cyclictest0-21swapper/221:23:142
1394258991311,1cyclictest0-21swapper/223:30:412
1394258991311,1cyclictest0-21swapper/223:08:222
1394258991311,1cyclictest0-21swapper/223:03:202
1394258991311,1cyclictest0-21swapper/222:32:282
1394258991311,1cyclictest0-21swapper/219:50:022
1394258991310,1cyclictest0-21swapper/223:20:362
1394258991310,1cyclictest0-21swapper/223:13:092
1394258991310,1cyclictest0-21swapper/222:05:552
1394258991310,1cyclictest0-21swapper/221:38:242
1394258991310,1cyclictest0-21swapper/220:18:292
1394258991310,1cyclictest0-21swapper/220:03:222
1394258991310,1cyclictest0-21swapper/219:43:172
1394258991310,1cyclictest0-21swapper/219:28:242
1394258991310,1cyclictest0-21swapper/219:23:162
139425799139,3cyclictest1327-21in:imuxsock19:10:011
139425799139,3cyclictest1272966-21kworker/u16:0+nfsiod23:20:421
1394257991310,2cyclictest1898798-21kthreadcore00:28:231
1394257991310,2cyclictest1506231-21head20:43:171
1394257991310,2cyclictest1472451-21kthreadcore20:13:231
1394257991310,2cyclictest1436151-21kthreadcore19:43:211
139425699132,5cyclictest1536731-21head21:08:180
1394256991310,2cyclictest1449291-21kthreadcore19:53:220
2649091123,2phc2sys0-21swapper/319:43:483
2649091121,5phc2sys0-21swapper/322:53:153
2649091120,2phc2sys0-21swapper/323:18:433
2649091120,2phc2sys0-21swapper/322:00:353
2649091120,2phc2sys0-21swapper/320:12:143
139425899129,1cyclictest0-21swapper/220:38:232
139425899129,1cyclictest0-21swapper/220:33:192
139425899129,1cyclictest0-21swapper/220:13:242
139425899129,1cyclictest0-21swapper/219:38:242
1394258991210,1cyclictest0-21swapper/223:43:182
1394258991210,1cyclictest0-21swapper/223:43:182
1394258991210,1cyclictest0-21swapper/221:03:202
139425799129,2cyclictest1417642-21kthreadcore19:28:251
139425799127,4cyclictest1457438-21sshd20:01:341
139425799127,1cyclictest134050irq/121-eno119:58:161
139425699129,2cyclictest1416232-21irqcore19:28:220
2649091111,2phc2sys0-21swapper/322:43:153
2649091111,2phc2sys0-21swapper/322:23:353
2649091111,2phc2sys0-21swapper/319:58:153
2649091111,2phc2sys0-21swapper/319:28:263
2649091110,3phc2sys0-21swapper/322:13:523
2649091110,2phc2sys0-21swapper/322:08:443
2649091110,2phc2sys0-21swapper/300:17:373
2649091110,1phc2sys0-21swapper/320:33:373
139425899118,1cyclictest0-21swapper/219:57:162
13895852114,5sleep01390417-21kthreadcore19:08:220
2649091101,2phc2sys0-21swapper/323:52:523
2649091101,2phc2sys0-21swapper/321:08:163
2649091101,2phc2sys0-21swapper/320:43:233
2649091101,2phc2sys0-21swapper/320:28:243
2649091100,2phc2sys0-21swapper/323:10:523
2649091100,2phc2sys0-21swapper/322:58:503
2649091100,2phc2sys0-21swapper/322:30:363
2649091100,2phc2sys0-21swapper/322:15:453
2649091100,2phc2sys0-21swapper/321:56:143
2649091100,2phc2sys0-21swapper/321:51:173
2649091100,2phc2sys0-21swapper/321:40:193
2649091100,2phc2sys0-21swapper/321:27:193
2649091100,2phc2sys0-21swapper/320:35:023
2649091100,2phc2sys0-21swapper/319:33:193
2649091100,2phc2sys0-21swapper/319:23:173
2649091100,2phc2sys0-21swapper/300:11:233
2649091100,1phc2sys0-21swapper/319:13:513
139425899108,1cyclictest0-21swapper/219:15:032
264909190,2phc2sys0-21swapper/321:10:243
264909190,2phc2sys0-21swapper/320:58:223
264909190,2phc2sys0-21swapper/320:07:483
264909190,2phc2sys0-21swapper/319:48:213
264909190,2phc2sys0-21swapper/319:36:313
264909190,2phc2sys0-21swapper/319:08:183
264909180,2phc2sys0-21swapper/320:15:143
264909180,2phc2sys0-21swapper/320:00:073
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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