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2026-03-25 - 20:02
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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 Wed Mar 25, 2026 12:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
193719821000,1sleep11937197-21interrupts11:41:221
17348312960,1sleep10-21swapper/109:44:481
19521242750,2sleep20-21swapper/211:49:172
18858502740,1sleep1341rcuc/111:11:251
16695232480,4sleep11669528-21irqrtprio09:06:241
16695232480,4sleep11669528-21irqrtprio09:06:241
16571622290,1sleep10-21swapper/108:56:221
18991212260,2sleep10-21swapper/111:18:061
1526017992414,9cyclictest0-21swapper/011:00:010
17064422230,2sleep20-21swapper/209:26:292
1526017992212,5cyclictest0-21swapper/010:25:020
1526018992117,3cyclictest1290-21dbus-daemon11:50:011
1526018992114,3cyclictest1922697-21kthreadcore11:31:251
1526018992112,4cyclictest0-21swapper/110:40:021
1526017992118,2cyclictest1326-21systemd-logind12:15:020
1526017992117,3cyclictest1726518-21cut09:40:020
1526017992114,6cyclictest2039951-21grep12:40:000
1526017992112,5cyclictest1893598-21if_enp1s011:16:230
1526017992111,5cyclictest0-21swapper/010:20:000
2649091200,2phc2sys0-21swapper/310:17:543
1526018992011,4cyclictest0-21swapper/109:30:001
1526017992018,1cyclictest1700328-21munin-plugin-st09:25:000
1526017992017,2cyclictest1813111-21apt-key10:30:000
2649091190,2phc2sys0-21swapper/312:15:213
1526019991916,1cyclictest0-21swapper/210:15:012
1526019991916,1cyclictest0-21swapper/208:00:002
1526018991917,1cyclictest1578527-21sed07:51:251
1526018991916,2cyclictest1613299-21systemctl08:20:011
1526018991912,3cyclictest1973884-21kthreadcore12:01:251
1526018991912,3cyclictest1685556-21kthreadcore09:16:241
1526017991916,2cyclictest1288-1atopacctd11:50:010
1526017991912,6cyclictest1691691-21perf09:20:000
2649091180,2phc2sys0-21swapper/309:53:493
152601999182,6cyclictest0-21swapper/209:20:012
152601999181,5cyclictest0-21swapper/207:20:012
1526019991815,1cyclictest0-21swapper/212:36:242
1526019991815,1cyclictest0-21swapper/209:40:002
1526018991815,2cyclictest1743662-21cut09:50:001
1526018991815,2cyclictest1700290-21cron09:25:001
1526018991814,3cyclictest70-21kcompactd009:40:021
1526018991814,3cyclictest1288-1atopacctd10:46:241
152601899181,3cyclictest1831741-21apt-get10:41:181
1526018991811,2cyclictest1742389-21kworker/u16:2-events_unbound09:56:411
1526017991815,2cyclictest1752447-21munin-plugin-st09:55:000
1526017991815,2cyclictest0-21swapper/009:00:010
1526017991812,5cyclictest4114978-21snmpd09:31:560
2649091175,2phc2sys0-21swapper/311:15:003
2649091170,2phc2sys0-21swapper/312:13:483
2649091170,2phc2sys0-21swapper/307:05:293
2649091170,1phc2sys0-21swapper/311:05:473
152601999171,6cyclictest0-21swapper/212:20:012
1526019991715,1cyclictest0-21swapper/209:10:012
1526019991715,1cyclictest0-21swapper/209:10:012
1526019991714,1cyclictest0-21swapper/211:10:002
1526019991714,1cyclictest0-21swapper/209:56:232
1526019991714,1cyclictest0-21swapper/209:55:002
1526019991714,1cyclictest0-21swapper/209:00:012
1526019991714,1cyclictest0-21swapper/208:41:212
1526019991714,1cyclictest0-21swapper/208:15:012
1526019991714,1cyclictest0-21swapper/207:50:012
1526019991713,2cyclictest0-21swapper/209:50:002
1526019991713,2cyclictest0-21swapper/209:11:152
1526019991713,2cyclictest0-21swapper/209:11:152
1526019991710,3cyclictest0-21swapper/211:00:012
1526018991714,2cyclictest1795575-21cron10:20:001
1526018991714,2cyclictest1680216-21grep09:11:291
1526018991714,2cyclictest1680216-21grep09:11:291
1526018991714,2cyclictest1619996-21acpi08:26:201
1526018991713,3cyclictest0-21swapper/110:10:001
1526018991710,3cyclictest1871422-21needreboot11:01:271
152601799178,5cyclictest0-21swapper/010:45:010
152601799177,5cyclictest0-21swapper/010:36:270
152601799172,10cyclictest1552753-21/usr/sbin/munin07:31:300
1526017991714,2cyclictest1883010-21systemd-run11:10:000
1526017991714,2cyclictest1426-21gdbus11:15:000
1526017991714,2cyclictest1-21systemd08:25:000
1526017991712,1cyclictest0-21swapper/011:30:580
2649091160,2phc2sys0-21swapper/312:34:543
17155002160,2sleep20-21swapper/209:31:342
1526019991614,1cyclictest0-21swapper/212:30:012
1526019991614,1cyclictest0-21swapper/211:30:022
1526019991614,1cyclictest0-21swapper/210:30:022
1526019991613,1cyclictest0-21swapper/212:35:012
1526019991613,1cyclictest0-21swapper/212:25:002
1526019991613,1cyclictest0-21swapper/212:02:132
1526019991613,1cyclictest0-21swapper/211:51:282
1526019991613,1cyclictest0-21swapper/211:16:242
1526019991613,1cyclictest0-21swapper/210:41:232
1526019991613,1cyclictest0-21swapper/210:20:002
1526019991613,1cyclictest0-21swapper/207:35:002
152601899169,5cyclictest501rcuop/212:20:241
152601899168,4cyclictest0-21swapper/111:26:181
1526018991613,2cyclictest29021-21rtkit-daemon07:13:451
1526018991613,2cyclictest2031557-21/usr/sbin/munin12:35:021
1526018991613,2cyclictest1980724-21sed12:06:231
1526018991613,2cyclictest1902381-21sort11:21:221
1526018991613,2cyclictest1822026-21systemd-run10:35:001
1526018991613,2cyclictest1822026-21systemd-run10:35:001
1526018991613,2cyclictest1813195-21apt-key10:30:001
1526018991613,2cyclictest1583201-21/usr/sbin/munin07:56:301
1526018991613,2cyclictest1571317-21aten_repower_vo07:46:201
1526018991613,2cyclictest1526015-21cyclictest07:20:011
1526018991612,3cyclictest1710825-21gltestperf09:31:241
152601799168,4cyclictest0-21swapper/011:45:010
152601799167,2cyclictest0-21swapper/011:56:240
1526017991613,2cyclictest2031078-21apt-key12:35:010
1526017991613,2cyclictest1626649-21sh08:31:210
1526017991613,2cyclictest1613291-21latency_hist08:20:010
1526017991613,2cyclictest0-21swapper/009:30:000
1526017991613,2cyclictest0-21swapper/007:15:010
2649091156,2phc2sys0-21swapper/311:45:143
2649091150,4phc2sys0-21swapper/312:26:193
2649091150,2phc2sys0-21swapper/311:39:523
2649091150,2phc2sys0-21swapper/309:33:093
152601999151,8cyclictest0-21swapper/207:10:012
152601999151,6cyclictest0-21swapper/210:40:012
1526019991513,1cyclictest0-21swapper/209:05:002
1526019991512,1cyclictest0-21swapper/212:06:222
1526019991512,1cyclictest0-21swapper/211:41:272
1526019991512,1cyclictest0-21swapper/211:35:022
1526019991512,1cyclictest0-21swapper/210:01:262
1526019991512,1cyclictest0-21swapper/208:26:312
1526019991512,1cyclictest0-21swapper/207:51:312
1526019991512,1cyclictest0-21swapper/207:40:002
1526019991512,1cyclictest0-21swapper/207:26:192
152601999150,6cyclictest0-21swapper/208:10:012
152601899157,4cyclictest2019738-21mailstats12:26:301
152601899156,2cyclictest134050irq/121-eno110:21:241
1526018991513,1cyclictest29021-21rtkit-daemon10:01:501
1526018991513,1cyclictest1526015-21cyclictest11:59:181
1526018991512,2cyclictest2032882-21sh12:36:201
1526018991512,2cyclictest2005014-21latency_hist12:20:011
1526018991512,2cyclictest1745564-21gltestperf09:51:221
1526018991512,2cyclictest1668272-21latency_hist09:05:011
1526018991512,2cyclictest1545671-21mailstats07:21:311
1526018991512,2cyclictest1348-21wpa_supplicant10:12:511
1526018991512,2cyclictest0-21swapper/108:10:001
1526018991511,3cyclictest1875494-21cpu11:06:191
1526018991511,3cyclictest1858503-21fschecks_time10:56:211
1526018991511,3cyclictest1813433-21kworker/u16:0+nfsiod10:51:541
1526018991511,3cyclictest1556375-21kthreadcore07:31:261
152601799157,2cyclictest0-21swapper/012:01:240
152601799156,5cyclictest0-21swapper/009:56:130
152601799156,4cyclictest0-21swapper/007:21:310
152601799154,6cyclictest0-21swapper/011:51:180
152601799154,5cyclictest1980456-21cut12:06:210
152601799151,5cyclictest1927879-21cpuspeed_turbos11:36:190
1526017991512,2cyclictest29021-21rtkit-daemon08:10:370
1526017991512,2cyclictest1910503-21cstates11:26:190
1526017991512,2cyclictest1589002-21apt-key08:00:000
1526017991512,2cyclictest1526015-21cyclictest09:41:240
2649091141,2phc2sys0-21swapper/311:22:063
2649091140,3phc2sys0-21swapper/310:34:123
2649091140,3phc2sys0-21swapper/310:34:123
2649091140,3phc2sys0-21swapper/309:35:123
2649091140,2phc2sys0-21swapper/311:51:313
2649091140,2phc2sys0-21swapper/311:19:553
2649091140,2phc2sys0-21swapper/310:26:323
2649091140,2phc2sys0-21swapper/310:11:583
1526019991412,1cyclictest0-21swapper/209:41:332
1526019991412,1cyclictest0-21swapper/208:01:252
1526019991411,2cyclictest0-21swapper/211:11:262
1526019991411,1cyclictest0-21swapper/211:01:302
1526019991411,1cyclictest0-21swapper/210:06:232
1526019991411,1cyclictest0-21swapper/208:51:332
1526019991411,1cyclictest0-21swapper/208:46:262
1526019991410,2cyclictest0-21swapper/211:56:202
1526019991410,2cyclictest0-21swapper/207:41:262
1526019991410,1cyclictest0-21swapper/207:25:012
152601899149,1cyclictest134050irq/121-eno111:52:051
152601899142,8cyclictest1813433-21kworker/u16:0+xprtiod11:35:031
1526018991411,2cyclictest1646746-21kthreadcore08:46:261
1526018991411,2cyclictest1641403-21kthreadcore08:41:251
1526018991411,2cyclictest1592063-21kthreadcore08:01:251
1526018991411,2cyclictest1565424-21cpuspeed_turbos07:41:201
1526018991410,3cyclictest1992898-21kthreadcore12:11:271
1526018991410,3cyclictest1629115-21kthreadcore08:31:261
1526018991410,3cyclictest1550119-21kthreadcore07:26:241
152601899140,8cyclictest1564754-21systemd-run07:40:001
152601799147,2cyclictest0-21swapper/012:16:190
152601799145,5cyclictest0-21swapper/009:11:190
152601799145,5cyclictest0-21swapper/009:11:190
152601799144,5cyclictest1848303-21cat10:50:010
152601799143,6cyclictest1765009-21kthreadcore10:01:250
152601799142,2cyclictest2009673-21kthreadcore12:21:260
152601799141,7cyclictest1290-21dbus-daemon07:55:010
1526017991412,1cyclictest1822133-21cut10:35:010
1526017991412,1cyclictest1822133-21cut10:35:010
1526017991411,2cyclictest2022371-21sh12:30:010
1526017991411,2cyclictest1902593-21tr11:21:230
1526017991411,2cyclictest1665599-21kthreadcore09:01:260
1526017991411,2cyclictest1643122-21sendmail_mailqu08:41:290
1526017991411,2cyclictest1634895-21kthreadcore08:36:260
1526017991411,2cyclictest1625947-21systemd-run08:30:010
1526017991411,2cyclictest1596777-21irqrtprio08:06:250
1526017991411,2cyclictest1526015-21cyclictest07:26:220
1526017991411,2cyclictest1-21systemd10:50:280
1526017991411,2cyclictest0-21swapper/010:15:010
1526017991411,2cyclictest0-21swapper/007:20:020
1526017991411,2cyclictest0-21swapper/007:10:010
1526017991410,2cyclictest0-21swapper/007:50:020
1526017991410,2cyclictest0-21swapper/007:40:000
152601799140,7cyclictest1290-21dbus-daemon09:50:000
2649091131,3phc2sys0-21swapper/307:31:183
2649091131,2phc2sys0-21swapper/307:40:563
2649091130,2phc2sys0-21swapper/311:34:253
152601999139,2cyclictest0-21swapper/210:21:332
152601999132,6cyclictest0-21swapper/210:50:012
1526019991311,1cyclictest0-21swapper/210:51:262
1526019991311,1cyclictest0-21swapper/210:35:002
1526019991311,1cyclictest0-21swapper/210:35:002
1526019991310,2cyclictest0-21swapper/208:40:012
1526019991310,2cyclictest0-21swapper/207:11:262
1526019991310,1cyclictest0-21swapper/209:21:202
1526019991310,1cyclictest0-21swapper/208:21:292
152601899139,3cyclictest1617255-21kthreadcore08:21:271
1526018991310,2cyclictest1635274-21kthreadcore08:36:261
1526018991310,2cyclictest1607489-21sh08:15:021
152601799134,5cyclictest0-21swapper/008:52:240
152601799131,7cyclictest0-21swapper/009:06:200
152601799131,7cyclictest0-21swapper/009:06:200
1526017991310,2cyclictest1773802-21kthreadcore10:06:250
1526017991310,2cyclictest1570798-21latency_hist07:45:000
1526017991310,2cyclictest0-21swapper/011:05:010
1526017991310,2cyclictest0-21swapper/008:50:010
2649091123,1phc2sys0-21swapper/312:24:273
2649091120,3phc2sys0-21swapper/310:46:303
2649091120,2phc2sys0-21swapper/310:54:553
2649091120,2phc2sys0-21swapper/309:55:533
2649091120,1phc2sys0-21swapper/307:28:013
19710642120,6sleep30-21swapper/312:01:173
17072822120,4sleep30-21swapper/309:27:073
152601999129,1cyclictest0-21swapper/211:20:402
152601999129,1cyclictest0-21swapper/208:31:272
152601999128,2cyclictest0-21swapper/212:11:262
1526019991210,1cyclictest0-21swapper/211:36:252
1526019991210,1cyclictest0-21swapper/208:16:252
152601899129,2cyclictest1526175-21latency_hist07:10:021
1526018991210,1cyclictest1613460-21kworker/u16:0-events_unbound08:51:311
152601799120,3cyclictest0-21swapper/008:00:100
2649091116,2phc2sys0-21swapper/309:20:003
2649091112,2phc2sys0-21swapper/311:58:263
2649091112,2phc2sys0-21swapper/310:38:463
2649091111,3phc2sys0-21swapper/310:56:293
2649091111,2phc2sys0-21swapper/308:26:203
2649091110,2phc2sys0-21swapper/308:56:173
2649091110,1phc2sys0-21swapper/308:50:443
2649091110,1phc2sys0-21swapper/308:24:403
2649091110,1phc2sys0-21swapper/307:18:283
2649091102,3phc2sys0-21swapper/307:15:023
2649091102,2phc2sys0-21swapper/308:17:303
2649091101,2phc2sys0-21swapper/310:40:583
2649091101,2phc2sys0-21swapper/309:11:533
2649091101,2phc2sys0-21swapper/309:11:533
2649091101,1phc2sys0-21swapper/309:45:153
2649091100,4phc2sys0-21swapper/310:06:183
2649091100,2phc2sys0-21swapper/312:35:253
2649091100,2phc2sys0-21swapper/312:05:513
2649091100,2phc2sys0-21swapper/311:44:513
2649091100,2phc2sys0-21swapper/311:26:193
2649091100,2phc2sys0-21swapper/310:02:433
2649091100,2phc2sys0-21swapper/309:21:113
2649091100,2phc2sys0-21swapper/308:11:253
2649091100,2phc2sys0-21swapper/308:01:193
2649091100,2phc2sys0-21swapper/307:54:553
2649091100,2phc2sys0-21swapper/307:46:093
2649091100,1phc2sys0-21swapper/308:10:013
15832002101,6sleep30-21swapper/307:56:183
264909191,2phc2sys0-21swapper/308:41:193
264909191,2phc2sys0-21swapper/308:36:183
264909191,2phc2sys0-21swapper/308:31:253
264909190,2phc2sys0-21swapper/311:00:143
264909190,2phc2sys0-21swapper/310:20:303
264909190,2phc2sys0-21swapper/309:40:103
264909190,2phc2sys0-21swapper/309:06:273
264909190,2phc2sys0-21swapper/309:06:273
264909190,2phc2sys0-21swapper/309:01:343
264909190,2phc2sys0-21swapper/307:36:233
264909190,2phc2sys0-21swapper/307:20:083
264909180,1phc2sys0-21swapper/308:45:193
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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