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2026-03-25 - 05:45
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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 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
77233721110,2sleep30-21swapper/322:01:263
7246292820,3sleep30-21swapper/321:33:333
6379092720,2sleep30-21swapper/320:31:293
6379092720,2sleep30-21swapper/320:31:293
533820993319,8cyclictest917188-21systemd23:25:010
9777192320,2sleep30-21swapper/300:00:013
533820993211,9cyclictest955360-21kthreadcore23:46:260
533821992416,3cyclictest744574-21fschecks_count21:46:231
53382099237,9cyclictest0-21swapper/000:16:280
533820992318,4cyclictest838753-21apt-key22:40:010
53382099228,9cyclictest0-21swapper/023:16:170
533820992216,4cyclictest0-21swapper/023:30:000
533820992214,4cyclictest0-21swapper/023:35:100
53382099221,17cyclictest0-21swapper/000:38:360
533820992210,11cyclictest0-21swapper/023:56:200
53382299213,6cyclictest0-21swapper/221:50:012
533822992112,1cyclictest0-21swapper/223:35:002
533821992118,2cyclictest597219-21idleruntime-cro20:00:001
53382099211,7cyclictest856347-21munin-run22:50:010
533820992110,7cyclictest0-21swapper/022:30:010
53382099210,2cyclictest827287-21ps22:31:300
53382099210,17cyclictest682007-21diskmemload21:12:190
533822992010,7cyclictest0-21swapper/221:20:012
53382199202,4cyclictest633448-21cron20:30:001
533821992016,2cyclictest17350irq/127-ahci[0000:00:17.0]23:00:021
53382099209,7cyclictest796489-21cpu22:16:200
53382099209,7cyclictest778961-21ssh22:06:230
53382099206,9cyclictest0-21swapper/021:26:210
533820992015,4cyclictest995095-21systemd-run00:10:000
533820992015,4cyclictest753205-21fschecks_time21:51:220
533820992014,5cyclictest809884-21tr22:21:290
533820992013,5cyclictest1021055-21perf00:25:000
533820992012,7cyclictest257-21systemd-journal21:40:010
533820992010,9cyclictest0-21swapper/000:01:240
53382099200,18cyclictest699350-21seq21:19:550
533821991916,2cyclictest800117-21kthreadcore22:16:261
533821991916,2cyclictest533818-21cyclictest00:00:011
533821991915,3cyclictest838765-21apt-config22:40:011
533821991915,3cyclictest829997-21systemd-run22:35:011
533821991910,4cyclictest0-21swapper/123:46:301
53382099199,7cyclictest964159-21kthreadcore23:51:260
53382099197,8cyclictest1288-1atopacctd21:21:260
53382099197,8cyclictest0-21swapper/023:10:000
53382099197,8cyclictest0-21swapper/022:41:230
53382099197,8cyclictest0-21swapper/022:41:230
53382099196,9cyclictest0-21swapper/022:59:180
53382099195,12cyclictest930581-21cut23:31:270
533820991914,4cyclictest28938-21cron20:30:000
533820991913,5cyclictest996191-21apt00:11:200
533820991913,5cyclictest533818-21cyclictest20:51:240
533820991913,5cyclictest4114978-21snmpd19:45:010
533820991913,5cyclictest1286-21avahi-daemon20:20:020
533820991913,5cyclictest1-21systemd22:15:010
533820991913,5cyclictest1038463-21latency_hist00:35:010
53382099191,13cyclictest0-21swapper/023:14:040
533822991815,1cyclictest0-21swapper/223:21:022
533821991815,2cyclictest566794-21sh19:35:011
533821991815,2cyclictest1-21systemd23:35:011
533821991814,3cyclictest696325-21kthreadcore21:16:261
533821991813,1cyclictest134050irq/121-eno100:21:301
53382099187,2cyclictest639938-21apt-get20:36:200
53382099187,10cyclictest0-21swapper/000:30:000
53382099186,8cyclictest0-21swapper/021:56:260
53382099184,6cyclictest743992-21aten2.4-expect21:46:200
53382099183,5cyclictest717213-21diskmemload21:30:100
53382099181,7cyclictest555077-21apt-get19:26:190
533820991813,4cyclictest944050-21/usr/sbin/munin23:41:290
533820991813,4cyclictest533818-21cyclictest20:01:300
533820991812,5cyclictest675347-21mailstats21:01:310
533820991812,5cyclictest584490-21mailstats19:46:300
533820991812,5cyclictest584490-21mailstats19:46:300
533820991810,6cyclictest257-21systemd-journal19:54:550
53382099180,9cyclictest1-21systemd21:45:010
53382099180,7cyclictest533874-21munin-run19:10:010
2902298180,3rtkit-daemon533818-21cyclictest00:34:181
2649091180,2phc2sys0-21swapper/323:11:293
2649091180,2phc2sys0-21swapper/322:41:313
2649091180,2phc2sys0-21swapper/322:41:313
2649091180,1phc2sys0-21swapper/300:05:003
533822991714,1cyclictest0-21swapper/223:30:002
533822991714,1cyclictest0-21swapper/222:21:272
533822991714,1cyclictest0-21swapper/220:36:242
533822991714,1cyclictest0-21swapper/200:10:152
533822991713,2cyclictest0-21swapper/220:51:302
533822991713,1cyclictest0-21swapper/220:01:332
53382199176,7cyclictest0-21swapper/121:26:191
533821991714,2cyclictest760329-21latency_hist21:55:011
533821991714,2cyclictest669946-21ls21:00:001
533821991714,2cyclictest540212-21apt-key19:15:011
533821991713,3cyclictest627551-21kworker/u16:3+nfsiod21:23:151
533821991710,3cyclictest768968-21kworker/u16:1-events_unbound22:49:511
533821991710,3cyclictest0-21swapper/123:51:251
53382099177,5cyclictest648961-21tr20:41:260
53382099176,7cyclictest0-21swapper/022:04:070
53382099176,2cyclictest539500-21users19:11:340
53382099175,7cyclictest668743-21tr20:56:260
53382099174,2cyclictest0-21swapper/022:51:290
53382099171,7cyclictest634041-21aten2.4-expect20:31:220
53382099171,7cyclictest634041-21aten2.4-expect20:31:220
533820991711,5cyclictest682217-21munin-plugin-st21:10:010
533820991711,5cyclictest656517-21kthreadcore20:46:270
533820991711,5cyclictest561291-21cpu19:31:200
533820991711,4cyclictest554671-21perf19:25:000
53382099171,11cyclictest627391-21cron20:25:010
533820991710,5cyclictest604754-21irqrtprio20:06:250
2649091170,2phc2sys0-21swapper/323:42:363
2649091170,2phc2sys0-21swapper/321:29:423
53382299161,8cyclictest0-21swapper/222:10:012
533822991614,1cyclictest0-21swapper/219:35:012
533822991614,1cyclictest0-21swapper/219:20:022
533822991613,1cyclictest0-21swapper/221:56:212
533822991613,1cyclictest0-21swapper/221:26:272
533822991613,1cyclictest0-21swapper/221:10:002
533822991613,1cyclictest0-21swapper/200:30:012
533822991613,1cyclictest0-21swapper/200:01:252
533822991612,2cyclictest0-21swapper/222:46:242
533822991612,2cyclictest0-21swapper/219:11:312
53382299161,10cyclictest0-21swapper/200:10:012
53382199168,7cyclictest622474-21tail20:21:231
533821991613,2cyclictest969041-21kworker/u16:0-rpciod00:06:301
533821991613,2cyclictest882266-21systemd-run23:05:001
533821991613,2cyclictest0-21swapper/122:10:021
533821991612,3cyclictest857543-21grep22:51:221
53382099163,5cyclictest874661-21aten_repower_en23:01:190
53382099161,5cyclictest609820-21aten2.4-expect20:11:230
53382099161,4cyclictest591664-21telnet19:56:190
533820991610,5cyclictest569012-21kthreadcore19:36:270
533820991610,5cyclictest546411-21kthreadcore19:16:270
2649091160,2phc2sys0-21swapper/300:25:313
53382299159,4cyclictest0-21swapper/220:31:212
53382299159,4cyclictest0-21swapper/220:31:212
533822991513,1cyclictest0-21swapper/222:45:002
533822991513,1cyclictest0-21swapper/222:45:002
533822991513,1cyclictest0-21swapper/222:40:032
533822991512,1cyclictest0-21swapper/223:51:232
533822991512,1cyclictest0-21swapper/223:41:212
533822991512,1cyclictest0-21swapper/223:36:282
533822991512,1cyclictest0-21swapper/223:16:252
533822991512,1cyclictest0-21swapper/223:11:202
533822991512,1cyclictest0-21swapper/223:06:242
533822991512,1cyclictest0-21swapper/223:01:262
533822991512,1cyclictest0-21swapper/222:51:272
533822991512,1cyclictest0-21swapper/222:31:222
533822991512,1cyclictest0-21swapper/222:26:222
533822991512,1cyclictest0-21swapper/222:16:262
533822991512,1cyclictest0-21swapper/222:11:282
533822991512,1cyclictest0-21swapper/222:01:212
533822991512,1cyclictest0-21swapper/221:41:272
533822991512,1cyclictest0-21swapper/221:31:272
533822991512,1cyclictest0-21swapper/220:41:272
533822991512,1cyclictest0-21swapper/220:16:232
533822991512,1cyclictest0-21swapper/219:36:282
533822991512,1cyclictest0-21swapper/200:31:292
533822991512,1cyclictest0-21swapper/200:16:222
533822991511,2cyclictest0-21swapper/220:56:192
53382199159,2cyclictest134050irq/121-eno121:36:201
53382199154,6cyclictest743012-21kworker/u16:0+xprtiod22:40:441
53382199154,6cyclictest743012-21kworker/u16:0+xprtiod22:40:441
53382199153,2cyclictest134050irq/121-eno123:38:071
533821991512,2cyclictest917183-21systemd-run23:25:011
533821991512,2cyclictest901313-21gltestperf23:16:211
533821991512,2cyclictest897197-21timerwakeupswit23:11:321
533821991512,2cyclictest787672-21/usr/sbin/munin22:11:321
533821991512,2cyclictest769931-21/usr/sbin/munin22:01:301
533821991512,2cyclictest766427-21mailstats21:56:311
533821991512,2cyclictest533818-21cyclictest23:10:021
533821991512,2cyclictest1012596-21latency_hist00:20:011
533821991511,3cyclictest983670-21phc2sys00:01:271
533821991510,1cyclictest134050irq/121-eno100:39:341
2902298150,3rtkit-daemon691042-21ls21:15:011
2649091156,2phc2sys0-21swapper/323:36:233
2649091151,2phc2sys0-21swapper/320:41:323
2649091150,2phc2sys0-21swapper/300:25:023
533822991412,1cyclictest0-21swapper/221:51:262
533822991412,1cyclictest0-21swapper/221:21:312
533822991412,1cyclictest0-21swapper/220:26:262
533822991412,1cyclictest0-21swapper/220:11:302
533822991411,2cyclictest0-21swapper/200:36:252
533822991411,1cyclictest0-21swapper/223:46:232
533822991411,1cyclictest0-21swapper/222:56:222
533822991411,1cyclictest0-21swapper/221:36:232
533822991411,1cyclictest0-21swapper/221:11:192
533822991411,1cyclictest0-21swapper/221:01:282
533822991411,1cyclictest0-21swapper/220:46:202
533822991411,1cyclictest0-21swapper/220:21:242
533822991411,1cyclictest0-21swapper/219:51:182
533822991411,1cyclictest0-21swapper/219:46:262
533822991411,1cyclictest0-21swapper/219:46:262
533822991411,1cyclictest0-21swapper/219:41:212
533822991411,1cyclictest0-21swapper/219:26:242
533822991410,2cyclictest0-21swapper/223:56:252
53382199149,1cyclictest6600001kthreadcore20:51:261
53382199148,5cyclictest1329-21rs:main1
53382199148,2cyclictest17350irq/127-ahci[0000:00:17.0]20:35:011
53382199148,2cyclictest17350irq/127-ahci[0000:00:17.0]20:35:011
53382199147,3cyclictest0-21swapper/119:46:301
53382199147,3cyclictest0-21swapper/119:46:301
533821991412,1cyclictest925688-21systemd-run23:30:011
533821991411,2cyclictest810014-21mailstats22:21:311
533821991411,2cyclictest722711-21missed_timers21:31:281
533821991411,2cyclictest676558-21aten2.4-expect21:06:221
533821991411,2cyclictest648746-21kthreadcore20:41:271
533821991411,2cyclictest554636-21cron19:25:001
533821991411,2cyclictest541969-21kthreadcore19:15:031
533821991411,2cyclictest1023002-21idleruntime00:26:241
533821991410,3cyclictest574439-21irqcore19:41:251
2649091141,3phc2sys0-21swapper/319:36:203
2649091140,4phc2sys0-21swapper/300:14:073
2649091140,3phc2sys0-21swapper/322:24:093
2649091140,3phc2sys0-21swapper/321:35:103
2649091140,2phc2sys0-21swapper/323:51:493
2649091140,2phc2sys0-21swapper/323:49:103
2649091140,2phc2sys0-21swapper/322:52:213
2649091140,2phc2sys0-21swapper/321:56:393
2649091140,2phc2sys0-21swapper/321:47:323
2649091140,1phc2sys0-21swapper/323:32:473
533822991311,1cyclictest0-21swapper/220:06:212
533822991311,1cyclictest0-21swapper/219:21:212
533822991311,1cyclictest0-21swapper/200:21:272
533822991310,1cyclictest0-21swapper/219:56:192
53382199139,1cyclictest134050irq/121-eno100:11:021
53382199137,5cyclictest944837-21tail23:41:231
53382199132,3cyclictest652634-21fschecks_time20:46:221
533821991311,1cyclictest585542-21/usr/sbin/munin19:51:261
533821991310,2cyclictest821285-21cron22:30:001
533821991310,2cyclictest674685-21kthreadcore21:01:281
533821991310,2cyclictest641698-21kthreadcore20:36:261
533821991310,2cyclictest619563-21kthreadcore20:16:241
533821991310,2cyclictest597664-21aten_repower_cu20:01:201
533821991310,2cyclictest570372-21kthreadcore19:36:281
533821991310,2cyclictest555159-21aten_repower_fr19:26:201
533821991310,2cyclictest29021-21rtkit-daemon21:40:111
2649091134,2phc2sys0-21swapper/321:11:023
2649091130,3phc2sys0-21swapper/322:59:373
2649091130,3phc2sys0-21swapper/321:17:333
2649091130,2phc2sys0-21swapper/323:24:103
2649091130,2phc2sys0-21swapper/300:06:083
2649091130,1phc2sys0-21swapper/323:15:243
2649091130,1phc2sys0-21swapper/320:20:043
53382199129,2cyclictest609669-21acpi20:11:211
2649091123,2phc2sys0-21swapper/321:50:173
2649091121,2phc2sys0-21swapper/320:56:313
2649091120,2phc2sys0-21swapper/322:36:323
2649091120,1phc2sys0-21swapper/320:10:383
2649091120,1phc2sys0-21swapper/320:00:203
53382199115,4cyclictest1290-21dbus-daemon19:10:021
2649091114,3phc2sys0-21swapper/321:05:013
2649091111,2phc2sys0-21swapper/319:54:233
2649091110,2phc2sys0-21swapper/300:38:113
2649091110,1phc2sys0-21swapper/320:49:583
2649091110,1phc2sys0-21swapper/319:19:553
2649091110,1phc2sys0-21swapper/319:11:033
53382299102,5cyclictest533877-21taskset19:10:012
2649091101,2phc2sys0-21swapper/322:18:273
2649091101,2phc2sys0-21swapper/322:09:013
2649091101,2phc2sys0-21swapper/321:21:283
2649091101,2phc2sys0-21swapper/320:06:293
2649091100,5phc2sys0-21swapper/319:06:203
2649091100,2phc2sys0-21swapper/323:29:213
2649091100,2phc2sys0-21swapper/323:08:163
2649091100,2phc2sys0-21swapper/322:47:203
2649091100,2phc2sys0-21swapper/322:30:093
2649091100,2phc2sys0-21swapper/322:30:013
2649091100,2phc2sys0-21swapper/321:40:403
2649091100,2phc2sys0-21swapper/321:05:533
2649091100,2phc2sys0-21swapper/320:16:273
2649091100,2phc2sys0-21swapper/319:27:373
2649091100,2phc2sys0-21swapper/300:30:413
264909191,3phc2sys0-21swapper/319:56:183
264909191,2phc2sys0-21swapper/322:11:173
264909190,2phc2sys0-21swapper/323:01:153
264909190,2phc2sys0-21swapper/320:50:323
264909190,2phc2sys0-21swapper/320:36:203
264909190,2phc2sys0-21swapper/320:26:293
264909190,2phc2sys0-21swapper/319:45:303
264909190,2phc2sys0-21swapper/319:45:303
264909190,2phc2sys0-21swapper/319:41:293
264909190,2phc2sys0-21swapper/319:31:193
264909190,2phc2sys0-21swapper/319:20:373
264909190,2phc2sys0-21swapper/300:15:023
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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