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2026-06-21 - 01:01
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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 Sat Jun 20, 2026 12:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8790892990,2sleep30-21swapper/308:15:203
12207002750,1sleep01220698-21ssh12:15:280
791921992916,6cyclictest1037498-21sh10:15:001
791921992620,2cyclictest67250irq/126-eno111:10:081
791921992619,2cyclictest67250irq/126-eno109:50:031
791921992522,2cyclictest830768-21apt-key07:40:011
791920992517,6cyclictest0-21swapper/012:35:020
791921992412,3cyclictest0-21swapper/111:20:091
79192099249,7cyclictest0-21swapper/012:25:050
791920992417,2cyclictest17750irq/132-ahci[0000:00:17.0]07:25:000
791922992320,1cyclictest0-21swapper/211:50:012
79192199239,4cyclictest1019830-21kthreadcore10:00:171
791921992317,2cyclictest67250irq/126-eno112:25:011
791921992315,3cyclictest994433-21kthreadcore09:45:131
791920992314,8cyclictest948954-21systemd09:15:020
791920992314,8cyclictest1168571-21phc2sys-jitter11:40:190
791921992216,2cyclictest791918-21cyclictest12:35:091
791921992214,3cyclictest0-21swapper/112:00:001
791920992219,2cyclictest922515-21munin-plugin-st08:55:010
791920992219,2cyclictest1044914-21apt-key10:20:010
791920992212,6cyclictest1078453-21kthreadcore10:40:140
791920992211,6cyclictest0-21swapper/010:11:110
3153791220,6phc2sys0-21swapper/312:20:013
791922992119,1cyclictest0-21swapper/211:30:032
791922992119,1cyclictest0-21swapper/207:40:012
791922992118,1cyclictest0-21swapper/208:25:012
79192199219,3cyclictest791918-21cyclictest11:30:181
791921992114,2cyclictest1020-21runrttasks12:08:061
791921992111,2cyclictest0-21swapper/110:00:021
791920992119,1cyclictest1022724-21ls10:05:010
791920992118,2cyclictest1210125-21kthreadcore12:10:140
791920992118,2cyclictest1163355-21latency_hist11:40:020
791920992118,2cyclictest1007576-21apt-config09:55:010
791920992113,7cyclictest1012839-21load09:55:160
791920992113,7cyclictest0-21swapper/009:35:010
791922992018,1cyclictest0-21swapper/209:30:022
791922992017,1cyclictest0-21swapper/211:45:002
791922992017,1cyclictest0-21swapper/210:15:002
79192199208,4cyclictest0-21swapper/110:50:161
791921992017,2cyclictest879593-21turbostat.cron08:20:011
791921992017,2cyclictest849536-21/usr/sbin/munin07:55:181
791921992017,2cyclictest800601-21aten_repower_en07:15:081
791921992017,2cyclictest693-21systemd-logind08:40:011
791921992017,2cyclictest1050-21snmpd11:50:011
791921992013,2cyclictest1020-21runrttasks10:15:231
791921992012,3cyclictest0-21swapper/112:10:091
79192099209,7cyclictest1047147-21kthreadcore10:20:140
791920992017,2cyclictest830853-21gpgconf07:40:010
791920992017,2cyclictest1201308-21cut12:05:130
791920992017,2cyclictest1143255-21kthreadcore11:25:130
791920992012,4cyclictest1112214-21tail11:05:080
791920992010,6cyclictest941057-21apt-get09:10:020
79192199199,3cyclictest1193398-21aten2.4-expect12:00:081
79192199198,6cyclictest0-21swapper/111:45:001
79192199196,3cyclictest0-21swapper/107:30:121
79192199194,6cyclictest274-21systemd-journal09:10:001
791921991916,2cyclictest961512-21mailstats09:20:181
791921991916,2cyclictest867481-21grep08:10:011
791921991916,2cyclictest693-21systemd-logind10:50:011
791921991916,2cyclictest660-21dbus-daemon09:40:021
791921991916,2cyclictest1180911-21kthreadcore11:50:161
791921991916,2cyclictest1101723-21kthreadcore10:55:161
791921991916,2cyclictest1063247-21kthreadcore10:30:151
791921991916,2cyclictest0-21swapper/110:40:011
791921991915,3cyclictest881127-21irqrtprio08:20:121
791921991915,3cyclictest868142-21cstates08:10:101
791921991915,3cyclictest1157698-21kthreadcore11:35:141
791921991915,3cyclictest1053748-21gltestperf10:25:121
791921991915,3cyclictest1048237-21kthreadcore10:20:151
791921991915,3cyclictest1025906-21kthreadcore10:05:161
791921991910,5cyclictest1020-21runrttasks09:11:471
791920991916,2cyclictest985509-21latency_hist09:40:010
791920991916,2cyclictest885767-21/usr/sbin/munin08:25:010
791920991916,2cyclictest660-21dbus-daemon07:15:010
791920991916,2cyclictest1098893-21kthreadcore10:55:150
791920991916,2cyclictest1056220-21kthreadcore10:25:160
79192099191,5cyclictest491rcuog/208:30:190
79192099191,5cyclictest491rcuog/208:30:190
79192099190,5cyclictest991397-21ssh09:40:480
3153791190,3phc2sys0-21swapper/309:15:083
10671372190,2sleep20-21swapper/210:34:102
791922991816,1cyclictest0-21swapper/212:05:012
791922991815,1cyclictest0-21swapper/210:25:012
791922991815,1cyclictest0-21swapper/210:10:012
79192199188,5cyclictest0-21swapper/111:15:051
79192199187,6cyclictest0-21swapper/111:28:121
791921991816,1cyclictest0-21swapper/111:10:011
791921991815,2cyclictest973441-21kthreadcore09:30:171
791921991815,2cyclictest964687-21irqcore09:25:151
791921991815,2cyclictest846261-21kthreadcore07:50:151
791921991815,2cyclictest818055-21unixbench-2d07:25:221
791921991815,2cyclictest1105757-21irqcore11:00:131
791921991814,3cyclictest917258-21sh08:50:101
791921991812,2cyclictest67250irq/126-eno112:18:191
79192099187,4cyclictest1090891-21if_enp1s010:50:130
79192099186,4cyclictest1242-21mta-sts-daemon09:23:050
79192099185,8cyclictest1122155-21grep11:10:140
79192099183,7cyclictest0-21swapper/009:25:160
79192099182,8cyclictest660-21dbus-daemon11:05:020
791920991815,2cyclictest1074839-21sh10:40:010
791920991815,2cyclictest0-21swapper/009:45:100
791920991814,2cyclictest0-21swapper/011:50:010
79192099181,15cyclictest1229530-21idleruntime-cro12:25:010
791922991715,1cyclictest0-21swapper/212:35:022
791922991715,1cyclictest0-21swapper/211:15:022
791922991715,1cyclictest0-21swapper/207:15:022
791922991714,1cyclictest0-21swapper/211:24:302
791922991714,1cyclictest0-21swapper/209:20:012
791922991714,1cyclictest0-21swapper/207:30:012
79192299171,3cyclictest0-21swapper/211:40:012
79192199176,6cyclictest0-21swapper/108:30:081
79192199176,6cyclictest0-21swapper/108:30:081
79192199174,8cyclictest837277-21latency_hist07:45:021
791921991714,2cyclictest910319-21cron08:45:001
791921991714,2cyclictest861392-21cron08:05:011
791921991714,2cyclictest810325-21kthreadcore07:20:151
791921991712,3cyclictest1235554-21diskmemload12:26:131
79192099178,2cyclictest0-21swapper/011:30:480
79192099178,2cyclictest0-21swapper/011:24:290
79192099178,2cyclictest0-21swapper/008:20:020
79192099177,5cyclictest0-21swapper/007:19:510
79192099177,4cyclictest812972-21tail07:25:100
79192099171,7cyclictest941052-21diskmemload11:57:560
79192099171,6cyclictest1028181-21run-parts10:05:200
791920991714,2cyclictest791918-21cyclictest11:50:100
791920991714,2cyclictest791918-21cyclictest07:50:010
791920991714,2cyclictest1199521-21sh12:02:570
791920991714,2cyclictest1061012-21cut10:30:100
791920991712,4cyclictest0-21swapper/008:10:010
3153791175,2phc2sys0-21swapper/311:43:513
3153791170,2phc2sys0-21swapper/312:13:233
3153791170,2phc2sys0-21swapper/311:29:523
3153791170,2phc2sys0-21swapper/311:10:193
3153791170,2phc2sys0-21swapper/310:57:333
3153791170,2phc2sys0-21swapper/309:30:043
791922991614,1cyclictest0-21swapper/210:00:092
791922991614,1cyclictest0-21swapper/209:45:122
791922991613,1cyclictest0-21swapper/212:30:022
791922991613,1cyclictest0-21swapper/212:15:022
791922991613,1cyclictest0-21swapper/210:25:122
791922991613,1cyclictest0-21swapper/209:40:012
791922991613,1cyclictest0-21swapper/209:20:102
791922991613,1cyclictest0-21swapper/208:55:002
791922991613,1cyclictest0-21swapper/208:50:002
791922991613,1cyclictest0-21swapper/208:34:122
791922991613,1cyclictest0-21swapper/208:34:122
791922991613,1cyclictest0-21swapper/208:00:012
791921991613,2cyclictest953650-21kthreadcore09:15:161
791921991613,2cyclictest913450-21kthreadcore08:45:161
791921991613,2cyclictest660-21dbus-daemon09:05:011
791921991613,2cyclictest1247-21mta-sts-daemon10:45:011
791921991612,2cyclictest798141-21munin-run07:15:011
791921991611,1cyclictest67250irq/126-eno107:45:091
791921991610,2cyclictest67250irq/126-eno109:40:081
79192099168,2cyclictest0-21swapper/011:15:360
79192099161,6cyclictest916419-21awk08:50:000
791920991614,1cyclictest4922-21rtkit-daemon07:40:400
791920991613,2cyclictest904497-21latency_hist08:40:020
791920991613,2cyclictest853623-21kthreadcore07:55:160
791920991613,2cyclictest791918-21cyclictest09:05:020
791920991613,2cyclictest1249554-21mailstats12:35:200
79192099161,2cyclictest0-21swapper/010:45:180
79192099160,7cyclictest949853-21chrt09:15:120
3153791160,2phc2sys0-21swapper/311:38:163
3153791160,2phc2sys0-21swapper/309:39:183
8705502150,2sleep30-21swapper/308:10:153
791922991513,1cyclictest0-21swapper/212:25:022
791922991513,1cyclictest0-21swapper/210:50:022
791922991513,1cyclictest0-21swapper/210:15:212
791922991513,1cyclictest0-21swapper/209:15:022
791922991512,1cyclictest0-21swapper/212:05:152
791922991512,1cyclictest0-21swapper/211:57:452
791922991512,1cyclictest0-21swapper/209:55:012
791922991512,1cyclictest0-21swapper/208:35:102
791922991512,1cyclictest0-21swapper/207:25:002
791922991511,2cyclictest0-21swapper/209:33:062
79192199153,3cyclictest886331-21aten2.4-expect08:25:101
791921991512,2cyclictest1237737-21fschecks_count12:30:101
79192099155,6cyclictest923053-21/usr/sbin/munin08:55:120
791920991513,1cyclictest0-21swapper/007:10:010
791920991512,2cyclictest908007-21kthreadcore08:40:160
791920991512,2cyclictest889093-21kthreadcore08:25:170
791920991512,2cyclictest858453-21kthreadcore08:00:180
791920991512,2cyclictest844346-21tr07:50:120
791920991510,2cyclictest1246-21mta-sts-daemon07:30:210
3153791150,3phc2sys0-21swapper/308:25:213
79192299142,5cyclictest0-21swapper/208:25:092
791922991412,1cyclictest0-21swapper/212:39:282
791922991412,1cyclictest0-21swapper/211:15:152
791922991412,1cyclictest0-21swapper/208:10:022
791922991411,1cyclictest0-21swapper/211:05:162
791922991411,1cyclictest0-21swapper/210:57:402
791922991411,1cyclictest0-21swapper/209:40:172
791922991411,1cyclictest0-21swapper/209:00:092
791922991411,1cyclictest0-21swapper/207:30:152
791921991411,2cyclictest928912-21systemd-run09:00:001
79192099147,5cyclictest274-21systemd-journal08:10:030
3153791141,3phc2sys0-21swapper/311:30:083
3153791140,3phc2sys0-21swapper/309:12:283
3153791140,2phc2sys0-21swapper/312:02:463
3153791140,2phc2sys0-21swapper/311:47:193
3153791140,2phc2sys0-21swapper/310:17:443
3153791140,2phc2sys0-21swapper/309:56:333
3153791140,2phc2sys0-21swapper/309:51:453
3153791140,2phc2sys0-21swapper/309:49:353
3153791140,2phc2sys0-21swapper/308:55:133
3153791140,1phc2sys0-21swapper/311:01:503
79192299139,2cyclictest0-21swapper/208:40:142
79192299132,4cyclictest0-21swapper/211:00:072
791922991311,1cyclictest0-21swapper/212:15:382
791922991311,1cyclictest0-21swapper/209:55:132
791922991311,1cyclictest0-21swapper/207:50:142
791922991310,1cyclictest0-21swapper/210:40:132
791922991310,1cyclictest0-21swapper/210:35:122
3153791131,5phc2sys0-21swapper/307:35:093
3153791130,2phc2sys0-21swapper/312:22:483
3153791130,2phc2sys0-21swapper/310:54:403
3153791130,2phc2sys0-21swapper/310:49:113
3153791130,2phc2sys0-21swapper/310:20:503
3153791130,2phc2sys0-21swapper/309:29:003
3153791130,2phc2sys0-21swapper/307:59:213
3153791130,2phc2sys0-21swapper/307:50:093
3153791130,2phc2sys0-21swapper/307:30:043
3153791130,2phc2sys0-21swapper/307:29:013
79192299129,1cyclictest0-21swapper/209:05:162
79192299129,1cyclictest0-21swapper/208:15:072
79192299129,1cyclictest0-21swapper/208:00:162
79192299129,1cyclictest0-21swapper/207:40:162
79192299121,3cyclictest0-21swapper/207:10:012
791922991210,1cyclictest0-21swapper/211:50:072
791922991210,1cyclictest0-21swapper/211:30:162
791922991210,1cyclictest0-21swapper/208:55:172
791922991210,1cyclictest0-21swapper/207:15:072
3153791123,2phc2sys0-21swapper/308:35:023
3153791123,2phc2sys0-21swapper/308:35:023
3153791123,2phc2sys0-21swapper/307:40:153
3153791121,2phc2sys0-21swapper/308:46:123
3153791120,2phc2sys0-21swapper/312:31:403
3153791120,2phc2sys0-21swapper/311:08:523
3153791120,2phc2sys0-21swapper/309:43:423
3153791120,2phc2sys0-21swapper/308:42:433
3153791120,1phc2sys0-21swapper/312:39:053
3153791120,1phc2sys0-21swapper/310:03:223
79192299119,1cyclictest0-21swapper/210:50:102
79192299119,1cyclictest0-21swapper/208:10:162
79192299119,1cyclictest0-21swapper/207:45:112
79192199118,2cyclictest0-21swapper/107:10:021
3153791113,1phc2sys0-21swapper/310:35:083
3153791111,2phc2sys0-21swapper/308:50:083
3153791110,3phc2sys0-21swapper/310:07:403
3153791110,2phc2sys0-21swapper/311:18:423
3153791110,2phc2sys0-21swapper/310:25:103
3153791110,2phc2sys0-21swapper/309:09:283
3153791110,2phc2sys0-21swapper/308:20:073
3153791110,1phc2sys0-21swapper/308:07:563
3153791101,4phc2sys0-21swapper/310:40:063
3153791101,2phc2sys0-21swapper/311:55:093
3153791101,2phc2sys0-21swapper/310:10:203
3153791101,2phc2sys0-21swapper/307:05:093
3153791100,3phc2sys0-21swapper/312:05:033
3153791100,3phc2sys0-21swapper/311:50:163
3153791100,3phc2sys0-21swapper/307:20:073
3153791100,2phc2sys0-21swapper/311:20:343
3153791100,2phc2sys0-21swapper/309:24:563
3153791100,2phc2sys0-21swapper/309:00:183
3153791100,2phc2sys0-21swapper/308:35:223
3153791100,2phc2sys0-21swapper/307:15:033
3153791100,2phc2sys0-21swapper/307:11:303
3153791100,1phc2sys0-21swapper/308:03:233
315379190,2phc2sys0-21swapper/312:25:183
315379190,2phc2sys0-21swapper/310:30:153
315379190,2phc2sys0-21swapper/307:45:083
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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