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2026-06-18 - 01:25
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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 792 highest latencies:
System rackeslot2.osadl.org (updated Wed Jun 17, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
382770421010,2sleep30-21swapper/310:20:233
39759182970,2sleep30-21swapper/312:00:233
3570315993221,6cyclictest3800252-21latency_hist10:05:010
3570315993020,6cyclictest3881556-21systemd-run11:00:020
3570315992919,6cyclictest3735367-21kernelversion09:20:190
39253582280,2sleep20-21swapper/211:27:232
3570315992716,6cyclictest0-21swapper/012:15:020
3570315992613,7cyclictest0-21swapper/009:35:130
3570317992421,1cyclictest0-21swapper/212:15:012
3570316992421,2cyclictest3034076-1atop09:50:011
3570316992318,1cyclictest67250irq/126-eno112:00:241
3570316992316,1cyclictest67250irq/126-eno107:20:121
3570315992313,9cyclictest3732396-21sshd09:16:160
3570317992219,1cyclictest0-21swapper/208:20:002
3570316992219,2cyclictest3993208-21wc12:15:021
3570316992219,2cyclictest3706796-21idleruntime-cro09:00:011
3570316992214,2cyclictest1020-21runrttasks10:09:451
3570316992212,4cyclictest3713128-21cat09:05:031
357031599227,5cyclictest0-21swapper/011:45:240
3570315992213,5cyclictest693-21systemd-logind11:55:030
3570315992211,6cyclictest4000396-21perf12:20:010
3570315992211,6cyclictest4000396-21perf12:20:010
3570315992211,2cyclictest3822786-21ssh10:20:110
3570315992210,6cyclictest0-21swapper/010:40:170
3570315992210,4cyclictest3694735-21tail08:50:130
357031699218,7cyclictest0-21swapper/110:45:111
357031699217,8cyclictest3740653-21sshd09:23:521
3570316992115,2cyclictest67250irq/126-eno109:50:201
3570315992118,2cyclictest3888886-21apt-key11:05:010
3570315992111,5cyclictest3748386-21apt-get09:30:030
3570315992110,6cyclictest0-21swapper/012:36:160
3570317992017,1cyclictest0-21swapper/209:30:022
3570317992017,1cyclictest0-21swapper/208:05:012
357031799201,5cyclictest0-21swapper/210:30:012
357031699208,3cyclictest0-21swapper/110:40:031
3570316992017,2cyclictest0-21swapper/111:40:011
3570316992016,3cyclictest3979759-21kthreadcore12:05:181
3570316992014,2cyclictest67250irq/126-eno111:05:011
3570316992010,6cyclictest3584724-21cat07:20:011
357031599206,4cyclictest0-21swapper/011:05:120
3570315992010,5cyclictest0-21swapper/012:05:010
3153791201,7phc2sys0-21swapper/310:10:103
40159812190,2sleep20-21swapper/212:30:122
3570317991916,1cyclictest0-21swapper/210:30:172
357031699199,3cyclictest3570313-21cyclictest10:41:481
357031699199,3cyclictest0-21swapper/111:55:201
357031699198,3cyclictest1242-21mta-sts-daemon11:33:541
357031699196,3cyclictest0-21swapper/110:15:011
357031699194,5cyclictest3639971-21aten2.4-expect08:05:141
357031699194,5cyclictest3639971-21aten2.4-expect08:05:141
3570316991915,3cyclictest3955517-21sh11:48:411
3570316991915,3cyclictest3788707-21kthreadcore09:55:191
3570316991915,3cyclictest3751909-21kthreadcore09:30:221
3570316991915,3cyclictest3713294-21aten_repower_po09:05:121
3570316991915,3cyclictest3660934-21kthreadcore08:20:201
3570316991915,3cyclictest3613364-21kthreadcore07:40:191
3570316991914,1cyclictest492398rtkit-daemon08:45:181
357031599198,6cyclictest0-21swapper/010:00:020
357031599196,4cyclictest3627838-21tail07:55:120
357031599193,7cyclictest0-21swapper/011:10:200
3570315991916,2cyclictest3985444-21latency_hist12:10:010
3570315991916,2cyclictest3688246-21sh08:45:000
3570315991912,2cyclictest1020-21runrttasks09:14:050
3570315991910,2cyclictest0-21swapper/011:24:210
357031599190,9cyclictest3926577-21packagekitd11:30:020
3153791190,2phc2sys0-21swapper/311:40:243
357031799181,7cyclictest0-21swapper/210:50:112
3570317991815,1cyclictest0-21swapper/211:55:192
3570317991815,1cyclictest0-21swapper/211:05:022
3570317991815,1cyclictest0-21swapper/210:40:012
3570317991814,2cyclictest0-21swapper/208:40:132
3570317991813,3cyclictest3766798-21taskset09:40:182
357031699188,6cyclictest3682140-21cron08:40:001
357031699187,3cyclictest274-21systemd-journal10:30:011
3570316991815,2cyclictest3957670-21kthreadcore11:50:191
3570316991815,2cyclictest3913152-21kthreadcore11:20:171
3570316991815,2cyclictest3766652-21kthreadcore09:40:181
3570316991815,2cyclictest3700397-21latency_hist08:55:011
3570316991815,2cyclictest3675604-21unixbench_multi08:30:261
3570316991815,2cyclictest3652312-21cpuspeed_turbos08:15:141
3570316991815,2cyclictest3648760-21kthreadcore08:10:211
3570316991814,3cyclictest3819121-21kthreadcore10:15:191
3570316991814,3cyclictest3757190-21gltestperf09:35:171
3570316991814,3cyclictest3682637-21aten_repower_po08:40:291
3570316991814,3cyclictest3633936-21aten_repower_po08:00:121
3570316991814,3cyclictest3604648-21irqrtprio07:35:191
3570316991812,2cyclictest67250irq/126-eno111:12:221
3570316991811,4cyclictest0-21swapper/107:55:021
357031599187,6cyclictest0-21swapper/010:40:010
357031599187,4cyclictest3633957-21tail08:00:120
357031599187,4cyclictest1247-21mta-sts-daemon10:50:120
357031599186,5cyclictest0-21swapper/012:30:120
357031599186,4cyclictest0-21swapper/010:30:170
357031599185,2cyclictest0-21swapper/011:59:240
357031599181,8cyclictest0-21swapper/011:40:110
357031599181,7cyclictest3934214-21apt-get11:35:120
3570315991815,2cyclictest3937-21cron07:44:560
3570315991815,2cyclictest3813156-21mailstats10:10:220
3570315991815,2cyclictest3651097-21timerandwakeup08:10:260
3570315991815,2cyclictest3596157-21mailstats07:25:230
357031599180,2cyclictest3911643-21munin-run11:20:020
3153791180,3phc2sys0-21swapper/307:50:203
3570317991715,1cyclictest0-21swapper/210:05:022
3570317991714,1cyclictest0-21swapper/212:20:012
3570317991714,1cyclictest0-21swapper/212:20:012
3570317991714,1cyclictest0-21swapper/211:20:002
3570317991714,1cyclictest0-21swapper/209:55:022
3570317991714,1cyclictest0-21swapper/209:34:562
3570317991714,1cyclictest0-21swapper/207:40:012
3570317991714,1cyclictest0-21swapper/207:35:012
3570317991713,2cyclictest0-21swapper/212:05:122
357031699179,3cyclictest0-21swapper/111:40:121
357031699177,2cyclictest0-21swapper/111:20:001
3570316991714,2cyclictest658-21avahi-daemon09:15:021
3570316991714,2cyclictest4003153-21kthreadcore12:20:191
3570316991714,2cyclictest3993476-21aten_repower_fr12:15:121
3570316991714,2cyclictest3993476-21aten_repower_fr12:15:121
3570316991714,2cyclictest3924902-21sh11:25:591
3570316991714,2cyclictest3877439-21kthreadcore10:55:171
3570316991714,2cyclictest3871195-21kthreadcore10:50:211
3570316991714,2cyclictest3794384-21irqrtprio10:00:171
3570316991714,2cyclictest3664203-21/usr/sbin/munin08:25:241
3570316991714,2cyclictest3572738-21kthreadcore07:10:191
3570316991714,2cyclictest3570313-21cyclictest10:25:021
3570316991714,2cyclictest0-21swapper/110:35:031
3570316991713,3cyclictest4023130-21cpuspeed_turbos12:35:141
3570316991713,3cyclictest3895364-21sh11:06:451
3570316991713,3cyclictest3616862-21kthreadcore07:45:191
3570316991712,1cyclictest67250irq/126-eno109:25:121
357031599179,2cyclictest1246-21mta-sts-daemon09:02:370
357031599178,5cyclictest0-21swapper/009:42:160
357031599177,5cyclictest0-21swapper/010:47:160
357031599176,4cyclictest0-21swapper/012:23:160
3570315991714,2cyclictest3570313-21cyclictest08:15:160
357031599171,11cyclictest3603919-21df_inode07:35:160
357031599171,11cyclictest0-21swapper/007:10:130
357031599170,9cyclictest3641808-21kthreadcore08:05:210
357031599170,9cyclictest3641808-21kthreadcore08:05:210
357031599170,8cyclictest3822423-21sendmail10:20:010
3153791170,3phc2sys0-21swapper/308:43:443
3153791170,2phc2sys0-21swapper/311:25:013
3153791170,2phc2sys0-21swapper/310:45:413
3153791170,1phc2sys0-21swapper/311:57:353
3570317991613,1cyclictest0-21swapper/212:35:242
3570317991613,1cyclictest0-21swapper/209:15:172
3570317991613,1cyclictest0-21swapper/207:15:012
3570316991613,2cyclictest3732555-21sh09:16:441
3570316991613,2cyclictest3598475-21irqrtprio07:30:181
3570316991611,1cyclictest67250irq/126-eno112:35:021
357031599168,7cyclictest0-21swapper/008:35:120
357031599167,5cyclictest0-21swapper/011:30:160
357031599166,3cyclictest3624153-21cut07:50:180
357031599164,2cyclictest3830146-21apt-get10:25:110
357031599164,2cyclictest0-21swapper/012:25:100
357031599163,4cyclictest3775256-21cut09:45:200
357031599162,9cyclictest0-21swapper/010:07:120
357031599162,9cyclictest0-21swapper/009:35:000
3570315991613,2cyclictest3693536-21mailstats08:45:260
3570315991613,2cyclictest3673892-21kthreadcore08:30:200
3570315991613,2cyclictest3658856-21tail08:20:170
357031599160,8cyclictest3598071-21if_enp1s007:30:170
3153791160,2phc2sys0-21swapper/311:04:103
3153791160,2phc2sys0-21swapper/310:41:563
3153791160,1phc2sys0-21swapper/312:24:333
357031799151,8cyclictest0-21swapper/209:10:112
3570317991513,1cyclictest0-21swapper/210:45:022
3570317991513,1cyclictest0-21swapper/209:45:262
3570317991513,1cyclictest0-21swapper/209:40:022
3570317991513,1cyclictest0-21swapper/207:15:032
3570317991512,1cyclictest0-21swapper/212:30:022
3570317991512,1cyclictest0-21swapper/212:05:012
3570317991512,1cyclictest0-21swapper/210:16:352
3570317991512,1cyclictest0-21swapper/208:46:412
3570317991512,1cyclictest0-21swapper/208:35:192
3570317991512,1cyclictest0-21swapper/208:15:012
3570317991512,1cyclictest0-21swapper/208:10:012
3570317991512,1cyclictest0-21swapper/208:10:012
3570317991511,2cyclictest0-21swapper/209:00:072
3570316991512,2cyclictest3628655-21irqcore07:55:171
3570316991512,2cyclictest3591436-21cpuspeed_turbos07:25:141
357031599155,2cyclictest3616443-21ps07:45:170
357031599154,6cyclictest0-21swapper/009:50:130
357031599151,6cyclictest3701726-21hddtemp_smartct08:55:140
3570315991510,4cyclictest3666012-21cut08:25:200
3153791150,5phc2sys0-21swapper/311:19:193
3153791150,2phc2sys0-21swapper/311:10:543
3153791150,2phc2sys0-21swapper/310:06:423
3153791150,1phc2sys0-21swapper/308:11:233
3570317991412,1cyclictest0-21swapper/212:20:142
3570317991412,1cyclictest0-21swapper/211:20:232
3570317991412,1cyclictest0-21swapper/211:10:252
3570317991412,1cyclictest0-21swapper/210:10:142
3570317991412,1cyclictest0-21swapper/208:30:012
3570317991412,1cyclictest0-21swapper/208:25:012
3570317991411,1cyclictest0-21swapper/211:40:572
3570317991411,1cyclictest0-21swapper/211:35:142
3570317991411,1cyclictest0-21swapper/211:05:192
3570317991411,1cyclictest0-21swapper/208:55:152
3570317991411,1cyclictest0-21swapper/207:29:162
3570317991410,2cyclictest0-21swapper/210:20:122
3570317991410,2cyclictest0-21swapper/207:50:132
3570316991411,2cyclictest0-21swapper/112:25:031
357031599141,3cyclictest3713251-21aten2.4-expect09:05:120
3570315991410,3cyclictest3578682-21pmu-power07:15:030
357031599140,7cyclictest3585037-21/usr/sbin/munin07:20:220
3153791143,2phc2sys0-21swapper/309:13:063
3153791140,3phc2sys0-21swapper/309:20:593
3153791140,2phc2sys0-21swapper/312:26:093
3153791140,2phc2sys0-21swapper/311:30:263
3153791140,2phc2sys0-21swapper/311:09:343
3153791140,2phc2sys0-21swapper/309:30:553
3153791140,2phc2sys0-21swapper/307:34:093
3153791140,1phc2sys0-21swapper/308:18:253
3153791140,1phc2sys0-21swapper/307:37:573
357031799139,2cyclictest0-21swapper/209:05:172
3570317991311,1cyclictest0-21swapper/211:50:192
3570317991311,1cyclictest0-21swapper/210:55:232
3570317991311,1cyclictest0-21swapper/210:45:182
3570317991311,1cyclictest0-21swapper/210:05:192
3570317991311,1cyclictest0-21swapper/209:55:142
3570317991310,1cyclictest0-21swapper/211:30:212
3570317991310,1cyclictest0-21swapper/208:55:012
3570317991310,1cyclictest0-21swapper/208:30:242
3153791130,2phc2sys0-21swapper/312:15:203
3153791130,2phc2sys0-21swapper/312:15:203
3153791130,2phc2sys0-21swapper/312:08:383
3153791130,2phc2sys0-21swapper/311:49:033
3153791130,2phc2sys0-21swapper/311:36:353
3153791130,2phc2sys0-21swapper/310:59:203
3153791130,2phc2sys0-21swapper/310:18:083
3153791130,2phc2sys0-21swapper/309:56:043
3153791130,2phc2sys0-21swapper/309:45:173
3153791130,2phc2sys0-21swapper/307:29:083
3153791130,1phc2sys0-21swapper/311:53:423
357031799129,1cyclictest0-21swapper/211:45:122
357031799129,1cyclictest0-21swapper/207:40:132
357031799129,1cyclictest0-21swapper/207:20:182
3570317991210,1cyclictest0-21swapper/209:20:142
3570317991210,1cyclictest0-21swapper/207:45:202
357031699121,6cyclictest3570157-21latency_hist07:10:021
3153791123,2phc2sys0-21swapper/307:45:193
3153791120,2phc2sys0-21swapper/309:06:373
3153791120,2phc2sys0-21swapper/309:04:173
3153791120,2phc2sys0-21swapper/308:54:103
3153791120,1phc2sys0-21swapper/308:56:433
3153791120,1phc2sys0-21swapper/308:24:463
3153791120,1phc2sys0-21swapper/308:05:543
3153791120,1phc2sys0-21swapper/308:05:543
357031799116,3cyclictest0-21swapper/207:55:112
357031599118,2cyclictest0-21swapper/007:10:020
3153791113,2phc2sys0-21swapper/312:32:153
3153791113,2phc2sys0-21swapper/309:51:473
3153791110,2phc2sys0-21swapper/312:35:443
3153791110,2phc2sys0-21swapper/311:25:373
3153791110,2phc2sys0-21swapper/310:35:233
3153791110,2phc2sys0-21swapper/310:27:103
3153791110,2phc2sys0-21swapper/309:29:303
3153791110,2phc2sys0-21swapper/308:35:113
3153791110,2phc2sys0-21swapper/307:42:403
3153791110,1phc2sys0-21swapper/310:51:323
3153791110,1phc2sys0-21swapper/310:03:013
357031799108,1cyclictest0-21swapper/207:10:022
3153791103,2phc2sys0-21swapper/309:38:433
3153791102,2phc2sys0-21swapper/308:00:013
3153791101,2phc2sys0-21swapper/310:31:263
3153791101,2phc2sys0-21swapper/309:40:533
3153791100,2phc2sys0-21swapper/312:10:193
3153791100,2phc2sys0-21swapper/309:15:393
3153791100,2phc2sys0-21swapper/308:30:233
3153791100,2phc2sys0-21swapper/308:05:023
3153791100,2phc2sys0-21swapper/307:10:173
3153791100,1phc2sys0-21swapper/308:28:503
315379191,3phc2sys0-21swapper/307:10:013
315379191,2phc2sys0-21swapper/307:20:183
315379190,2phc2sys0-21swapper/308:45:173
315379190,2phc2sys0-21swapper/307:15:173
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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