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2026-06-13 - 20:15
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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 13, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
51140721650,2sleep30-21swapper/309:50:213
73820521480,2sleep30-21swapper/312:22:233
7311942540,1sleep1731193-21ssh12:19:201
302501992517,7cyclictest347451-21apt-config07:45:001
302501992513,10cyclictest1-21systemd09:00:021
492398240,6rtkit-daemon1237-21mta-sts-daemon12:16:020
492398240,3rtkit-daemon675-21mta-sts-daemon09:39:280
30250199246,9cyclictest0-21swapper/110:20:191
302501992417,6cyclictest408627-21munin-plugin-st08:35:011
302501992415,8cyclictest1-21systemd09:25:021
302501992415,8cyclictest1-21systemd09:25:021
302501992316,6cyclictest70-21kcompactd009:40:011
302501992313,5cyclictest1050-21snmpd11:35:071
302502992219,1cyclictest0-21swapper/212:40:002
302501992219,2cyclictest384539-21sh08:15:021
302501992214,7cyclictest704550-21kthreadcore12:00:251
302501992214,7cyclictest516228-21grep09:50:311
302501992214,7cyclictest0-21swapper/109:30:001
302500992219,2cyclictest432917-21apt-get08:55:030
302502992119,1cyclictest0-21swapper/212:05:022
302502992118,1cyclictest0-21swapper/211:00:002
30250199215,5cyclictest586518-21cut10:40:261
302501992115,5cyclictest1246-21mta-sts-daemon11:05:181
302501992113,7cyclictest765-1atopacctd07:30:261
302501992113,7cyclictest571236-21kthreadcore10:30:241
302501992112,8cyclictest643682-21tr11:20:191
302501992111,9cyclictest658-21avahi-daemon12:25:011
30250199211,19cyclictest365852-21cat08:00:001
302501992111,8cyclictest309553-21latency_hist07:15:031
302500992119,1cyclictest316958-21/usr/sbin/munin07:20:010
302500992114,6cyclictest0-21swapper/011:20:020
302500992111,6cyclictest274-21systemd-journal11:55:030
492398200,3rtkit-daemon1242-21mta-sts-daemon10:38:560
302502992017,1cyclictest0-21swapper/210:20:022
302502992017,1cyclictest0-21swapper/208:55:022
30250199208,7cyclictest0-21swapper/110:50:311
302501992012,7cyclictest744890-21grep12:25:321
302501992012,7cyclictest673987-21irqrtprio11:40:241
302501992011,8cyclictest695596-21head11:55:211
302501992010,8cyclictest658025-21acpi11:30:161
302500992018,1cyclictest709093-21latency_hist12:05:010
302500992017,2cyclictest700-21rs:main0
302500992017,2cyclictest700-21rs:main0
302500992014,2cyclictest0-21swapper/012:20:240
3153791191,3phc2sys0-21swapper/310:50:053
302502991917,1cyclictest0-21swapper/211:50:012
302502991916,1cyclictest0-21swapper/210:30:022
302502991916,1cyclictest0-21swapper/209:05:012
302502991916,1cyclictest0-21swapper/208:25:002
302502991915,2cyclictest0-21swapper/211:45:032
30250199199,9cyclictest690702-21kthreadcore11:50:241
30250199199,9cyclictest447261-21kthreadcore09:05:261
30250199199,9cyclictest367222-21irqcore08:00:251
30250199199,9cyclictest302498-21cyclictest08:20:241
30250199199,9cyclictest302498-21cyclictest07:15:261
30250199199,2cyclictest1237-21mta-sts-daemon10:13:071
30250199197,7cyclictest0-21swapper/112:35:161
30250199196,5cyclictest420910-21kworker/u16:2-events_unbound09:13:561
302501991916,2cyclictest390525-21sh08:20:011
302501991916,2cyclictest359780-21idleruntime-cro07:55:001
302501991915,3cyclictest698-21in:imuxsock08:10:011
302501991912,6cyclictest0-21swapper/109:35:011
302501991911,7cyclictest426244-21timerandwakeup08:45:311
302501991911,7cyclictest302498-21cyclictest10:00:261
302501991910,8cyclictest617114-21kthreadcore11:00:261
302501991910,8cyclictest591783-21kworker/u16:1+nfsiod10:56:481
302501991910,8cyclictest534196-21kthreadcore10:05:251
302501991910,8cyclictest460148-21tr09:15:211
302501991910,8cyclictest1247-21mta-sts-daemon08:35:241
302501991910,7cyclictest0-21swapper/107:30:031
30250099197,7cyclictest0-21swapper/011:35:310
302500991916,2cyclictest482101-21cut09:30:210
302500991913,5cyclictest550366-21kthreadcore10:15:250
30250099190,3cyclictest753703-21ssh12:34:430
492398180,7rtkit-daemon1247-21mta-sts-daemon10:49:390
3153791180,2phc2sys0-21swapper/310:55:233
302502991815,1cyclictest0-21swapper/212:20:312
302502991815,1cyclictest0-21swapper/209:45:242
302502991815,1cyclictest0-21swapper/208:45:022
302502991814,2cyclictest0-21swapper/212:34:442
302502991814,2cyclictest0-21swapper/208:05:252
30250199189,8cyclictest439695-21aten_repower_fr09:00:181
30250199189,2cyclictest717794-21fschecks_time12:10:211
30250199189,2cyclictest653286-21kthreadcore11:25:251
30250199188,3cyclictest415175-21tail08:40:211
30250199186,5cyclictest591997-21apt-get10:45:181
30250199185,5cyclictest352250-21cut07:45:271
30250199184,5cyclictest643027-21cat11:20:011
30250199181,5cyclictest0-21swapper/110:28:391
302501991815,2cyclictest710317-21grep12:05:211
302501991812,5cyclictest1247-21mta-sts-daemon09:56:101
302501991810,7cyclictest687082-21latency_hist11:50:011
302501991810,7cyclictest577627-21fschecks_count10:35:221
302501991810,7cyclictest549105-21kthreadcore10:15:241
302501991810,7cyclictest499647-21kthreadcore09:40:261
302501991810,7cyclictest401972-21timerwakeupswit08:25:311
30250099187,5cyclictest0-21swapper/012:10:170
30250099185,4cyclictest1246-21mta-sts-daemon11:55:520
302500991815,2cyclictest693-21systemd-logind09:50:010
302500991815,2cyclictest679753-21latency_hist11:45:020
302500991815,2cyclictest651128-21cstates11:25:200
302500991815,2cyclictest532498-21latency_hist10:05:010
302500991815,2cyclictest439295-21cat09:00:010
302500991815,2cyclictest0-21swapper/010:00:010
3153791170,3phc2sys0-21swapper/312:25:253
302502991715,1cyclictest0-21swapper/207:15:032
302502991714,1cyclictest0-21swapper/211:20:012
302502991713,2cyclictest0-21swapper/209:35:012
30250199178,2cyclictest337568-21kthreadcore07:35:261
30250199175,5cyclictest319370-21cut07:20:271
30250199175,2cyclictest67250irq/126-eno112:30:241
30250199172,3cyclictest0-21swapper/109:45:261
30250099179,6cyclictest0-21swapper/009:15:240
30250099178,5cyclictest0-21swapper/009:25:270
302500991714,2cyclictest660-21dbus-daemon12:40:010
302500991714,2cyclictest643350-21/usr/sbin/munin11:20:280
302500991714,2cyclictest545135-21pmu-power10:10:280
302500991714,2cyclictest0-21swapper/007:15:020
302500991711,4cyclictest1-21systemd12:30:020
3153791160,3phc2sys0-21swapper/310:36:153
3153791160,2phc2sys0-21swapper/310:11:493
3153791160,2phc2sys0-21swapper/309:17:593
302502991614,1cyclictest0-21swapper/210:55:012
302502991614,1cyclictest0-21swapper/208:30:022
302502991614,1cyclictest0-21swapper/207:25:202
302502991613,2cyclictest0-21swapper/211:05:302
302502991613,1cyclictest0-21swapper/212:11:382
302502991613,1cyclictest0-21swapper/210:35:012
302502991613,1cyclictest0-21swapper/209:50:212
302502991613,1cyclictest0-21swapper/209:27:542
302502991613,1cyclictest0-21swapper/209:05:212
302502991613,1cyclictest0-21swapper/207:55:182
302502991613,1cyclictest0-21swapper/207:45:012
302502991612,2cyclictest0-21swapper/211:20:322
302502991612,2cyclictest0-21swapper/211:15:012
30250199167,2cyclictest631226-21kthreadcore11:10:251
30250199164,5cyclictest427439-21cpuspeed_turbos08:50:171
30250099168,7cyclictest0-21swapper/010:30:180
30250099168,4cyclictest390788-21aten2.4-expect08:20:190
30250099168,4cyclictest366291-21aten_repower_fr08:00:200
30250099166,6cyclictest0-21swapper/010:55:020
30250099166,5cyclictest1237-21mta-sts-daemon08:07:530
30250099162,13cyclictest171ktimers/008:35:180
302500991613,2cyclictest680622-21cstates11:45:200
302500991613,2cyclictest628302-21cron11:10:000
302500991613,2cyclictest560088-21xargs10:20:320
302500991613,2cyclictest503265-21sh09:45:020
302500991613,2cyclictest347573-21apt-key07:45:010
302500991613,2cyclictest1242-21mta-sts-daemon07:30:300
302500991612,3cyclictest540089-21systemd10:10:030
3153791150,2phc2sys0-21swapper/311:38:453
3153791150,2phc2sys0-21swapper/311:15:583
3153791150,2phc2sys0-21swapper/310:15:313
3153791150,2phc2sys0-21swapper/309:37:273
3153791150,2phc2sys0-21swapper/308:50:273
30250299158,1cyclictest0-21swapper/210:45:022
30250299155,4cyclictest0-21swapper/211:35:182
30250299151,5cyclictest0-21swapper/207:10:012
302502991512,2cyclictest0-21swapper/211:00:212
302502991512,1cyclictest0-21swapper/212:15:552
302502991512,1cyclictest0-21swapper/212:10:032
302502991512,1cyclictest0-21swapper/211:31:052
302502991512,1cyclictest0-21swapper/211:25:332
302502991512,1cyclictest0-21swapper/210:40:002
302502991512,1cyclictest0-21swapper/210:25:032
302502991512,1cyclictest0-21swapper/210:11:202
302502991512,1cyclictest0-21swapper/210:02:312
302502991512,1cyclictest0-21swapper/209:21:182
302502991512,1cyclictest0-21swapper/209:21:182
302502991512,1cyclictest0-21swapper/208:00:242
302502991512,1cyclictest0-21swapper/207:50:202
302502991511,2cyclictest0-21swapper/208:12:012
302502991511,2cyclictest0-21swapper/207:35:262
302502991510,3cyclictest0-21swapper/209:45:012
30250099154,6cyclictest0-21swapper/007:22:370
30250099152,2cyclictest402544-21idleruntime-cro08:30:010
302500991512,2cyclictest693-21systemd-logind09:55:020
302500991512,2cyclictest589334-21grep10:40:280
302500991512,2cyclictest451658-21diskmemload10:59:420
302500991512,2cyclictest402894-21aten_repower_cu08:30:180
302500991512,2cyclictest358937-21processes07:50:280
302500991512,2cyclictest1237-21mta-sts-daemon11:13:300
302500991512,2cyclictest1-21systemd08:13:380
302500991510,4cyclictest4922-21rtkit-daemon08:44:320
30250099150,11cyclictest568754-21ssh10:28:400
6790092140,3sleep30-21swapper/311:42:433
3153791140,4phc2sys0-21swapper/311:55:453
3153791140,4phc2sys0-21swapper/309:30:183
3153791140,3phc2sys0-21swapper/311:20:173
3153791140,3phc2sys0-21swapper/311:10:423
3153791140,2phc2sys0-21swapper/312:16:143
3153791140,2phc2sys0-21swapper/310:07:463
3153791140,2phc2sys0-21swapper/309:48:143
302502991412,1cyclictest0-21swapper/212:25:272
302502991412,1cyclictest0-21swapper/207:15:272
302502991411,2cyclictest0-21swapper/208:30:252
302502991411,1cyclictest0-21swapper/211:50:302
302502991411,1cyclictest0-21swapper/210:45:262
302502991411,1cyclictest0-21swapper/209:15:252
302502991411,1cyclictest0-21swapper/208:35:212
302502991411,1cyclictest0-21swapper/208:15:302
302502991411,1cyclictest0-21swapper/207:45:232
302502991411,1cyclictest0-21swapper/207:35:012
30250199145,2cyclictest0-21swapper/107:10:021
30250099146,7cyclictest0-21swapper/009:00:180
30250099146,4cyclictest0-21swapper/008:15:190
30250099144,5cyclictest445934-21/usr/sbin/munin09:05:300
30250099143,3cyclictest716591-21sshd12:09:380
30250099142,1cyclictest491rcuog/207:55:320
302500991411,2cyclictest660892-21kthreadcore11:30:250
302500991411,2cyclictest452643-21sh09:10:210
302500991411,2cyclictest352925-21mailstats07:45:300
3153791130,3phc2sys0-21swapper/312:13:363
3153791130,2phc2sys0-21swapper/312:37:243
3153791130,2phc2sys0-21swapper/311:05:143
3153791130,2phc2sys0-21swapper/310:29:213
3153791130,2phc2sys0-21swapper/308:45:103
30250299139,2cyclictest0-21swapper/207:20:272
30250299131,7cyclictest0-21swapper/209:00:012
302502991311,1cyclictest0-21swapper/211:55:212
302502991311,1cyclictest0-21swapper/209:55:232
302502991310,1cyclictest0-21swapper/210:05:062
302502991310,1cyclictest0-21swapper/209:10:292
30250099138,1cyclictest422397-21kthreadcore08:45:250
30250099137,5cyclictest591783-21kworker/u16:1-rpciod11:00:320
30250099136,3cyclictest217384-21kworker/u16:0-events_unbound07:25:190
302500991310,2cyclictest1247-21mta-sts-daemon07:35:200
3153791121,2phc2sys0-21swapper/312:09:463
3153791120,3phc2sys0-21swapper/310:31:593
3153791120,3phc2sys0-21swapper/308:20:263
3153791120,2phc2sys0-21swapper/311:54:433
3153791120,2phc2sys0-21swapper/311:48:143
3153791120,2phc2sys0-21swapper/307:55:013
3153791120,2phc2sys0-21swapper/307:34:573
3153791120,1phc2sys0-21swapper/312:02:253
3153791120,1phc2sys0-21swapper/307:55:443
3153791120,1phc2sys0-21swapper/307:46:433
3153791120,1phc2sys0-21swapper/307:36:193
302502991210,1cyclictest0-21swapper/209:35:032
302502991210,1cyclictest0-21swapper/208:45:202
3153791111,4phc2sys0-21swapper/308:30:183
3153791111,4phc2sys0-21swapper/308:15:013
3153791111,3phc2sys0-21swapper/307:25:113
3153791110,3phc2sys0-21swapper/311:25:343
3153791110,2phc2sys0-21swapper/310:45:173
3153791110,2phc2sys0-21swapper/307:15:293
3153791110,1phc2sys0-21swapper/310:41:163
30250099115,1cyclictest3025651systemd-run07:10:020
3153791101,2phc2sys0-21swapper/312:33:513
3153791101,2phc2sys0-21swapper/309:58:563
3153791101,2phc2sys0-21swapper/309:40:243
3153791101,2phc2sys0-21swapper/308:39:563
3153791101,2phc2sys0-21swapper/308:15:253
3153791101,1phc2sys0-21swapper/310:22:123
3153791100,2phc2sys0-21swapper/311:03:213
3153791100,2phc2sys0-21swapper/309:25:413
3153791100,2phc2sys0-21swapper/309:22:053
3153791100,2phc2sys0-21swapper/309:22:053
3153791100,2phc2sys0-21swapper/309:14:513
3153791100,2phc2sys0-21swapper/309:10:023
3153791100,2phc2sys0-21swapper/308:25:193
3153791100,2phc2sys0-21swapper/308:05:263
3153791100,2phc2sys0-21swapper/307:40:183
3153791100,2phc2sys0-21swapper/307:20:183
3153791100,1phc2sys0-21swapper/309:03:133
3153791100,1phc2sys0-21swapper/308:42:013
315379191,2phc2sys0-21swapper/307:05:203
315379190,3phc2sys0-21swapper/308:05:003
315379190,2phc2sys0-21swapper/311:30:353
315379190,2phc2sys0-21swapper/310:00:163
315379190,2phc2sys0-21swapper/308:55:203
315379190,2phc2sys0-21swapper/307:15:013
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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