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2025-11-30 - 14:32
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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 Sun Nov 30, 2025 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73586522000,3sleep30-21swapper/323:20:233
6407572990,1sleep10-21swapper/122:25:231
6015952380,2sleep30-21swapper/322:05:023
7139052340,2sleep20-21swapper/223:10:002
3919932320,2sleep20-21swapper/219:35:242
356741992824,3cyclictest1635-21dbus-daemon00:10:011
356741992519,2cyclictest17450irq/132-ahci[0000:00:17.0]23:30:001
356741992519,2cyclictest17450irq/132-ahci[0000:00:17.0]00:30:001
356741992516,2cyclictest170550irq/121-eno123:48:321
835298240,7rtkit-daemon0-21swapper/023:00:280
35674099249,2cyclictest0-21swapper/023:20:280
356740992414,9cyclictest593515-21cpuspeed_turbos22:00:190
356740992314,8cyclictest810500-21cstates00:05:190
356740992219,2cyclictest696704-21grep23:00:000
356740992215,5cyclictest260-21systemd-journal20:39:560
6543062210,2sleep20-21swapper/222:35:182
35674299213,1cyclictest0-21swapper/223:30:292
356742992118,1cyclictest0-21swapper/200:10:002
356741992119,1cyclictest801112-21cut00:00:021
356741992113,2cyclictest170550irq/121-eno122:43:181
356741992111,2cyclictest351ktimers/123:20:541
35674099218,5cyclictest0-21swapper/021:25:000
35674099217,6cyclictest0-21swapper/021:50:010
835298200,4rtkit-daemon356738-21cyclictest19:19:320
356742992017,1cyclictest0-21swapper/222:45:002
35674199205,9cyclictest841311-21sendmail_mailqu00:20:281
302487291200,4phc2sys0-21swapper/323:25:263
356742991916,1cyclictest0-21swapper/220:50:002
35674199195,9cyclictest685136-21ssh22:50:301
35674199194,9cyclictest488179-21aten2.4-expect20:55:171
356741991916,2cyclictest557796-21latency_hist21:40:001
356741991916,2cyclictest475506-21apt-config20:45:001
356741991914,3cyclictest1700-21systemd-logind19:30:011
356741991910,4cyclictest766591-21aten2.4-expect23:40:191
356741991910,4cyclictest402283-21aten2.4-expect19:45:181
35674099197,4cyclictest0-21swapper/021:55:010
356740991912,5cyclictest723725-21grep23:15:190
356740991911,7cyclictest0-21swapper/022:20:010
35674099191,11cyclictest0-21swapper/023:11:590
356740991910,8cyclictest549923-21cstates21:35:170
302487291190,3phc2sys0-21swapper/319:40:013
302487291190,2phc2sys0-21swapper/321:30:273
35674299189,3cyclictest0-21swapper/221:50:012
35674299187,5cyclictest0-21swapper/219:30:012
356742991815,1cyclictest0-21swapper/221:30:002
356742991814,2cyclictest0-21swapper/200:29:082
35674199189,4cyclictest601951-21aten2.4-expect22:05:191
35674199189,4cyclictest481386-21sshd20:46:351
35674199189,4cyclictest414716-21aten2.4-expect19:55:161
35674199184,9cyclictest830283-21kthreadcore00:15:221
356741991815,2cyclictest731251-21cron23:20:011
356741991815,2cyclictest1661-21polkitd20:30:011
356741991814,3cyclictest351ktimers/100:30:151
356741991814,3cyclictest0-21swapper/120:05:001
356741991810,3cyclictest835955-21kworker/u16:0+nfsiod00:35:161
35674099186,1cyclictest0-21swapper/021:16:250
35674099185,2cyclictest0-21swapper/000:25:240
356740991815,2cyclictest475884-21systemd-run20:45:020
356740991811,5cyclictest769611-21kthreadcore23:40:260
35674099180,3cyclictest420677-21/usr/sbin/munin20:00:240
35674099180,1cyclictest0-21swapper/021:14:140
302487291180,3phc2sys0-21swapper/321:40:123
302487291180,2phc2sys0-21swapper/323:02:053
302487291180,2phc2sys0-21swapper/322:50:423
302487291180,2phc2sys0-21swapper/321:55:493
7242882170,2sleep20-21swapper/223:15:212
6122522170,2sleep30-21swapper/322:10:223
4483942170,2sleep20-21swapper/220:20:242
35674299178,4cyclictest0-21swapper/220:40:012
35674299178,3cyclictest0-21swapper/223:00:012
35674299172,1cyclictest0-21swapper/220:05:062
356742991715,1cyclictest0-21swapper/220:45:012
356742991714,1cyclictest0-21swapper/221:40:002
35674199173,8cyclictest36-21ksoftirqd/122:20:211
35674199173,5cyclictest756980-21sh23:34:331
35674199172,7cyclictest36-21ksoftirqd/121:45:231
356741991714,2cyclictest645746-21sh22:30:171
356741991714,2cyclictest621744-21kthreadcore22:15:251
356741991714,2cyclictest523104-21latency_hist21:20:011
356741991714,2cyclictest414270-21cron19:55:001
356741991714,2cyclictest376720-21sendmail_mailqu19:20:271
356741991714,2cyclictest356738-21cyclictest23:55:011
356741991714,2cyclictest356738-21cyclictest00:10:181
356741991714,2cyclictest1652-1atopacctd21:10:341
356741991714,2cyclictest0-21swapper/119:35:001
356741991713,3cyclictest804379-21kthreadcore00:00:251
356741991713,3cyclictest543770-21kthreadcore21:30:231
356741991711,2cyclictest170550irq/121-eno121:20:211
356741991710,2cyclictest351ktimers/123:10:221
35674199170,8cyclictest585372-21if_eno121:55:201
35674099177,2cyclictest0-21swapper/000:18:060
35674099173,3cyclictest495539-21cut21:00:230
356740991714,2cyclictest493827-21grep21:00:000
356740991714,2cyclictest395861-21cut19:40:010
356740991711,5cyclictest779031-21kthreadcore23:45:240
356740991711,4cyclictest667923-21unixbench_multi22:40:290
356740991710,5cyclictest855651-21kthreadcore00:30:260
356740991710,5cyclictest585725-21irqrtprio21:55:220
356740991710,2cyclictest0-21swapper/022:35:010
35674099170,5cyclictest680515-21grep22:50:200
302487291170,2phc2sys0-21swapper/300:27:413
35674299161,5cyclictest6018522sleep222:05:172
356742991614,1cyclictest0-21swapper/222:05:022
356742991614,1cyclictest0-21swapper/221:25:012
356742991614,1cyclictest0-21swapper/219:35:012
356742991613,1cyclictest0-21swapper/223:40:012
356742991613,1cyclictest0-21swapper/223:02:022
356742991613,1cyclictest0-21swapper/221:55:232
356742991613,1cyclictest0-21swapper/219:11:402
356742991613,1cyclictest0-21swapper/219:11:402
35674299161,2cyclictest7403992sleep223:25:162
35674199169,2cyclictest170550irq/121-eno123:05:241
35674199169,1cyclictest170550irq/121-eno120:30:181
35674199168,2cyclictest170550irq/121-eno122:01:431
35674199164,6cyclictest428191-21sed20:05:231
35674199161,4cyclictest566788-21munin-run21:45:001
356741991613,2cyclictest654111-21cpuspeed_turbos22:35:171
356741991613,2cyclictest612295-21kthreadcore22:10:221
356741991612,3cyclictest500421-21aten2.4-expect21:05:191
356741991612,3cyclictest444919-21latency_hist20:20:021
356741991610,5cyclictest0-21swapper/122:45:311
35674099169,5cyclictest840502-21kthreadcore00:20:250
35674099169,5cyclictest457515-21tail20:30:180
356740991614,1cyclictest8351-21rtkit-daemon23:38:100
356740991614,1cyclictest8351-21rtkit-daemon22:48:510
356740991613,2cyclictest867190-21mailstats00:35:280
356740991613,2cyclictest821907-21kthreadcore00:10:240
356740991613,2cyclictest713980-21kworker/u16:0-rpciod23:35:000
356740991613,2cyclictest420449-21grep20:00:010
356740991613,2cyclictest363225-21gpgconf19:15:010
356740991613,2cyclictest363225-21gpgconf19:15:010
356740991612,3cyclictest549386-21kworker/u16:3+nfsiod22:11:220
302487291164,4phc2sys0-21swapper/320:15:013
302487291160,2phc2sys0-21swapper/323:19:093
302487291160,2phc2sys0-21swapper/321:27:483
302487291160,2phc2sys0-21swapper/300:35:243
35674299156,1cyclictest5051732sleep221:05:292
35674299152,7cyclictest0-21swapper/222:30:012
35674299152,1cyclictest0-21swapper/221:04:212
356742991513,1cyclictest0-21swapper/223:20:172
356742991513,1cyclictest0-21swapper/220:20:022
356742991512,1cyclictest0-21swapper/223:45:302
356742991512,1cyclictest0-21swapper/223:45:002
356742991512,1cyclictest0-21swapper/223:10:222
356742991512,1cyclictest0-21swapper/222:50:212
356742991512,1cyclictest0-21swapper/219:45:272
356742991512,1cyclictest0-21swapper/219:20:002
356742991511,2cyclictest0-21swapper/221:50:172
35674299151,12cyclictest0-21swapper/219:59:312
35674299151,11cyclictest0-21swapper/222:15:232
35674199154,5cyclictest482013-21apt-get20:50:151
35674199153,6cyclictest566927-21kworker/u16:2+rpciod21:51:121
35674199152,7cyclictest362164-21date19:10:281
35674199152,7cyclictest362164-21date19:10:281
35674199151,9cyclictest688432-21sh22:55:141
35674199151,9cyclictest532190-21sh21:25:061
356741991512,2cyclictest698972-21kthreadcore23:00:231
356741991512,2cyclictest395970-21cut19:40:021
356741991512,2cyclictest0-21swapper/120:40:001
356741991511,3cyclictest497546-21kthreadcore21:00:241
356741991511,3cyclictest448045-21kthreadcore20:20:251
35674099158,5cyclictest638421-21kthreadcore22:25:210
35674099157,2cyclictest0-21swapper/023:30:010
356740991513,1cyclictest792726-21/usr/sbin/munin23:55:220
356740991513,1cyclictest662215-21systemd-run22:40:020
356740991512,2cyclictest787017-21kthreadcore23:50:230
356740991512,2cyclictest523142-21kworker/u16:1-events_unbound21:33:210
356740991512,2cyclictest454538-21kthreadcore20:25:230
356740991512,2cyclictest384843-21irqcore19:30:230
356740991511,3cyclictest631407-21cut22:20:230
356740991511,3cyclictest566927-21kworker/u16:2+nfsiod00:01:100
356740991511,2cyclictest0-21swapper/019:50:250
356740991510,3cyclictest0-21swapper/019:50:010
35674099150,6cyclictest491rcuog/220:50:150
302487291153,2phc2sys0-21swapper/321:38:333
302487291150,3phc2sys0-21swapper/323:10:403
302487291150,3phc2sys0-21swapper/322:25:143
35674299144,4cyclictest0-21swapper/222:45:172
35674299143,2cyclictest0-21swapper/221:20:012
35674299141,5cyclictest0-21swapper/200:40:012
356742991412,1cyclictest0-21swapper/220:55:022
356742991412,1cyclictest0-21swapper/220:30:022
356742991412,1cyclictest0-21swapper/200:35:012
356742991412,1cyclictest0-21swapper/200:25:012
356742991412,1cyclictest0-21swapper/200:15:232
356742991411,1cyclictest0-21swapper/223:55:302
356742991411,1cyclictest0-21swapper/223:50:262
356742991411,1cyclictest0-21swapper/219:40:302
356742991410,2cyclictest0-21swapper/222:14:392
356742991410,2cyclictest0-21swapper/220:10:252
35674199148,1cyclictest170550irq/121-eno120:10:181
35674199145,4cyclictest0-21swapper/119:15:311
35674199140,5cyclictest758070-21grep23:35:161
35674099141,5cyclictest0-21swapper/021:40:280
356740991411,2cyclictest605690-21kthreadcore22:05:280
356740991411,2cyclictest475945-21/usr/sbin/munin20:45:200
356740991411,2cyclictest374488-21kthreadcore19:20:230
35674099140,1cyclictest0-21swapper/019:40:170
302487291147,3phc2sys0-21swapper/322:57:273
302487291140,4phc2sys0-21swapper/320:00:333
302487291140,3phc2sys0-21swapper/323:32:563
302487291140,2phc2sys0-21swapper/322:36:243
302487291140,2phc2sys0-21swapper/321:52:343
302487291140,2phc2sys0-21swapper/321:01:263
35674299135,5cyclictest0-21swapper/222:20:162
356742991311,1cyclictest0-21swapper/222:30:232
356742991311,1cyclictest0-21swapper/221:40:222
356742991310,1cyclictest0-21swapper/221:30:412
356742991310,1cyclictest0-21swapper/221:14:112
356742991310,1cyclictest0-21swapper/219:50:172
356742991310,1cyclictest0-21swapper/200:10:252
356742991310,1cyclictest0-21swapper/200:00:252
35674199136,2cyclictest170550irq/121-eno119:10:011
35674199130,8cyclictest396086-21/usr/sbin/munin19:40:221
356740991311,1cyclictest0-21swapper/019:30:020
356740991310,2cyclictest708561-21kthreadcore23:05:240
356740991310,2cyclictest501537-21kernelversion21:05:240
356740991310,2cyclictest446198-21irqcore20:20:220
356740991310,2cyclictest439448-21cpuspeed_turbos20:15:180
356740991310,2cyclictest432093-21switchtime20:05:290
356740991310,2cyclictest356738-21cyclictest20:10:280
302487291133,2phc2sys0-21swapper/300:12:233
302487291130,7phc2sys0-21swapper/320:15:163
302487291130,3phc2sys0-21swapper/322:23:323
302487291130,2phc2sys0-21swapper/323:36:323
302487291130,2phc2sys0-21swapper/323:07:543
302487291130,2phc2sys0-21swapper/321:47:073
302487291130,2phc2sys0-21swapper/320:58:443
302487291130,2phc2sys0-21swapper/320:38:023
302487291130,1phc2sys0-21swapper/323:40:573
35674299129,2cyclictest0-21swapper/220:30:222
35674299129,1cyclictest0-21swapper/219:20:212
35674299121,4cyclictest0-21swapper/219:10:012
356742991210,1cyclictest0-21swapper/221:00:012
35674099127,4cyclictest523142-21kworker/u16:1-rpciod21:25:020
302487291120,3phc2sys0-21swapper/322:30:153
302487291120,2phc2sys0-21swapper/322:18:133
302487291120,2phc2sys0-21swapper/321:12:443
302487291120,2phc2sys0-21swapper/320:47:433
302487291120,2phc2sys0-21swapper/320:24:433
302487291120,2phc2sys0-21swapper/319:20:593
35674299113,1cyclictest0-21swapper/220:04:582
35674099115,4cyclictest356897-21latency_hist19:10:010
302487291115,2phc2sys0-21swapper/321:22:093
302487291111,3phc2sys0-21swapper/322:49:473
302487291111,3phc2sys0-21swapper/322:03:263
302487291110,3phc2sys0-21swapper/320:40:183
302487291110,2phc2sys0-21swapper/322:43:023
302487291110,2phc2sys0-21swapper/320:30:083
302487291110,2phc2sys0-21swapper/300:08:583
302487291110,1phc2sys0-21swapper/319:15:433
302487291102,3phc2sys0-21swapper/300:00:233
302487291101,2phc2sys0-21swapper/319:40:233
302487291101,2phc2sys0-21swapper/319:30:293
302487291100,4phc2sys0-21swapper/323:45:163
302487291100,3phc2sys0-21swapper/319:55:023
302487291100,3phc2sys0-21swapper/319:05:173
302487291100,2phc2sys0-21swapper/323:50:183
302487291100,2phc2sys0-21swapper/321:19:293
302487291100,2phc2sys0-21swapper/321:05:263
302487291100,2phc2sys0-21swapper/300:30:223
302487291100,2phc2sys0-21swapper/300:20:133
30248729190,3phc2sys0-21swapper/320:25:193
30248729190,2phc2sys0-21swapper/323:55:073
30248729190,2phc2sys0-21swapper/320:50:203
30248729190,2phc2sys0-21swapper/320:05:203
30248729190,2phc2sys0-21swapper/319:54:563
30248729190,2phc2sys0-21swapper/319:45:323
30248729190,2phc2sys0-21swapper/319:26:453
30248729190,2phc2sys0-21swapper/300:15:153
30248729190,1phc2sys0-21swapper/319:13:463
30248729190,1phc2sys0-21swapper/319:13:463
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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