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2026-07-25 - 09:55
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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 376 highest latencies:
System rackeslot2.osadl.org (updated Sat Jul 25, 2026 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
45803421020,2sleep0241rcuc/020:56:010
4166512960,2sleep20-21swapper/220:25:012
7365532270,1sleep20-21swapper/200:06:052
323382992713,10cyclictest0-21swapper/023:15:020
5642592250,2sleep30-21swapper/322:10:583
323382992514,6cyclictest0-21swapper/022:25:020
323382992410,10cyclictest0-21swapper/022:40:010
323384992319,2cyclictest0-21swapper/219:20:002
323383992320,2cyclictest0-21swapper/120:50:031
323383992317,2cyclictest69250irq/121-eno122:25:581
323383992312,2cyclictest723548-21munin-run00:00:011
323382992315,7cyclictest699687-21sensors_temp23:41:030
323384992219,1cyclictest0-21swapper/200:15:012
323383992214,3cyclictest535744-21kthreadcore21:51:001
323384992117,2cyclictest0-21swapper/223:32:072
323384992116,3cyclictest0-21swapper/200:00:022
323383992116,3cyclictest268-21systemd-journal22:55:001
32338299219,6cyclictest0-21swapper/022:10:510
323382992112,5cyclictest0-21swapper/023:25:010
1157598210,3rtkit-daemon1307-21mta-sts-daemon00:19:590
3240591200,2phc2sys0-21swapper/320:55:013
323384992017,1cyclictest0-21swapper/221:45:012
323384992017,1cyclictest0-21swapper/221:35:532
323384992017,1cyclictest0-21swapper/200:25:012
32338399208,5cyclictest0-21swapper/123:30:521
323383992017,2cyclictest716101-21cron23:55:001
323383992017,2cyclictest684-21systemd-logind20:10:011
323383992014,2cyclictest1157598rtkit-daemon00:01:271
323382992017,2cyclictest1-21systemd20:30:020
323382992011,7cyclictest0-21swapper/022:30:010
323382992011,5cyclictest731756-21cpu00:05:540
323384991917,1cyclictest0-21swapper/221:05:002
323384991917,1cyclictest0-21swapper/221:00:002
323384991916,1cyclictest0-21swapper/222:50:582
323384991916,1cyclictest0-21swapper/221:45:572
323384991916,1cyclictest0-21swapper/219:30:552
323383991916,2cyclictest768068-21systemd00:30:021
323383991916,2cyclictest560892-21sh22:10:021
323383991915,3cyclictest323380-21cyclictest22:47:071
32338299199,6cyclictest0-21swapper/021:40:010
323382991916,2cyclictest664-21dbus-daemon21:35:010
323382991910,7cyclictest0-21swapper/000:15:000
3240591180,2phc2sys0-21swapper/323:40:303
32338499181,9cyclictest0-21swapper/223:30:022
323384991816,1cyclictest0-21swapper/223:40:032
323384991816,1cyclictest0-21swapper/223:10:022
323384991816,1cyclictest0-21swapper/222:11:032
323384991816,1cyclictest0-21swapper/221:55:532
323384991816,1cyclictest0-21swapper/221:35:022
323384991816,1cyclictest0-21swapper/220:25:532
323384991816,1cyclictest0-21swapper/200:25:592
323384991815,1cyclictest0-21swapper/220:45:012
323384991815,1cyclictest0-21swapper/200:16:022
32338399189,2cyclictest1300-21mta-sts-daemon21:30:141
323383991815,2cyclictest684-21systemd-logind20:00:011
323383991815,2cyclictest651398-21kthreadcore23:10:571
323383991815,2cyclictest523908-21grep21:45:021
323383991815,2cyclictest512222-21kthreadcore21:35:581
323383991815,2cyclictest459659-21idleruntime-cro21:00:001
323383991814,3cyclictest524704-21cpuspeed_turbos21:45:531
323383991812,5cyclictest672-21polkitd20:01:031
323383991812,2cyclictest69250irq/121-eno122:40:581
32338299189,2cyclictest0-21swapper/023:56:020
323382991815,2cyclictest672721-21cut23:25:540
323382991815,2cyclictest436329-21irqrtprio20:40:560
323382991813,2cyclictest1300-21mta-sts-daemon23:34:500
323382991812,5cyclictest569941-21kthreadcore22:15:570
3240591170,2phc2sys0-21swapper/323:38:423
3240591170,2phc2sys0-21swapper/321:44:303
3240591170,2phc2sys0-21swapper/321:15:533
323384991715,1cyclictest0-21swapper/223:15:032
323384991715,1cyclictest0-21swapper/221:30:022
323384991715,1cyclictest0-21swapper/221:25:022
323384991715,1cyclictest0-21swapper/220:00:022
323384991715,1cyclictest0-21swapper/219:40:022
323384991715,1cyclictest0-21swapper/219:15:022
323384991715,1cyclictest0-21swapper/200:35:572
323384991714,1cyclictest0-21swapper/223:04:352
323384991714,1cyclictest0-21swapper/221:53:082
323384991714,1cyclictest0-21swapper/221:11:002
323384991714,1cyclictest0-21swapper/220:45:582
323384991714,1cyclictest0-21swapper/220:30:552
323384991714,1cyclictest0-21swapper/219:55:012
323384991713,2cyclictest0-21swapper/222:16:002
32338399176,4cyclictest0-21swapper/122:00:511
323383991714,2cyclictest684-21systemd-logind00:40:011
323383991714,2cyclictest678829-21sh23:29:491
323383991714,2cyclictest323380-21cyclictest23:00:011
323383991714,2cyclictest0-21swapper/123:20:011
323383991714,2cyclictest0-21swapper/121:30:021
323383991713,3cyclictest695697-21cut23:40:571
323383991710,3cyclictest323380-21cyclictest23:08:141
32338299179,4cyclictest544128-21processes21:56:030
323382991715,1cyclictest323380-21cyclictest23:20:010
323382991715,1cyclictest0-21swapper/020:40:010
3240591160,2phc2sys0-21swapper/323:04:423
323384991614,1cyclictest0-21swapper/223:41:042
323384991614,1cyclictest0-21swapper/222:40:512
323384991614,1cyclictest0-21swapper/221:15:592
323384991613,1cyclictest0-21swapper/223:50:552
323384991613,1cyclictest0-21swapper/223:20:192
323384991613,1cyclictest0-21swapper/222:55:572
323384991613,1cyclictest0-21swapper/222:36:012
323384991613,1cyclictest0-21swapper/222:30:572
323384991613,1cyclictest0-21swapper/222:25:582
323384991613,1cyclictest0-21swapper/200:30:072
323383991613,2cyclictest690-21rs:main1
323383991613,2cyclictest684-21systemd-logind19:45:021
323383991613,2cyclictest670974-21sh23:23:261
323383991613,2cyclictest590796-21aten2.4-expect22:30:511
323383991613,2cyclictest480684-21tr21:15:561
323383991613,2cyclictest362030-21latency_hist19:40:011
323383991613,2cyclictest331856-21sed19:15:041
323383991613,2cyclictest1307-21mta-sts-daemon22:15:281
323383991613,2cyclictest0-21swapper/119:50:021
323383991612,3cyclictest538596-21kworker/u16:0+nfsiod22:21:421
323383991612,3cyclictest464281-21kthreadcore21:01:011
323383991612,3cyclictest0-21swapper/100:15:011
323383991611,4cyclictest1307-21mta-sts-daemon00:21:251
323383991610,4cyclictest1-21systemd19:25:021
32338299169,6cyclictest0-21swapper/023:55:010
32338299169,6cyclictest0-21swapper/022:30:510
32338299166,5cyclictest0-21swapper/019:50:560
323382991613,2cyclictest754664-21interrupts00:20:580
323382991613,2cyclictest672-21polkitd00:31:020
323382991613,2cyclictest662-21avahi-daemon00:40:020
323382991613,2cyclictest625343-21mailstats22:51:040
323382991613,2cyclictest329711-21aten_repower_cu19:15:020
323382991613,2cyclictest1307-21mta-sts-daemon21:50:020
323382991613,2cyclictest1-21systemd22:05:020
323382991611,2cyclictest1307-21mta-sts-daemon23:01:000
323382991610,2cyclictest4537911systemd-run20:55:010
323382991610,1cyclictest69250irq/121-eno122:55:440
3240591150,4phc2sys0-21swapper/322:58:073
3240591150,3phc2sys0-21swapper/321:51:403
3240591150,3phc2sys0-21swapper/320:40:503
3240591150,2phc2sys0-21swapper/322:24:013
3240591150,2phc2sys0-21swapper/322:20:013
3240591150,2phc2sys0-21swapper/320:30:003
3240591150,1phc2sys0-21swapper/323:07:033
323384991513,1cyclictest0-21swapper/220:05:522
323384991513,1cyclictest0-21swapper/219:41:002
323384991513,1cyclictest0-21swapper/200:01:002
323384991512,1cyclictest0-21swapper/222:23:462
32338399155,4cyclictest501rcuop/200:19:481
32338399151,3cyclictest191rcu_preempt20:30:021
323383991512,2cyclictest706971-21mailstats23:46:031
323383991512,2cyclictest599475-21kthreadcore22:35:561
323383991512,2cyclictest563005-21ssh22:10:581
323383991512,2cyclictest447876-21/usr/sbin/munin20:51:021
323383991512,2cyclictest354140-21kthreadcore19:30:591
323383991512,2cyclictest323380-21cyclictest00:06:181
323383991511,3cyclictest467078-21irqcore21:05:561
32338299159,5cyclictest0-21swapper/023:45:080
32338299158,2cyclictest518635-21tr21:40:570
32338299157,4cyclictest0-21swapper/019:20:560
32338299154,6cyclictest0-21swapper/022:45:520
32338299154,1cyclictest191rcu_preempt22:05:530
323382991513,1cyclictest323380-21cyclictest21:16:020
323382991513,1cyclictest0-21swapper/022:45:020
323382991513,1cyclictest0-21swapper/019:50:020
323382991512,2cyclictest761791-21fschecks_time00:25:560
323382991512,2cyclictest728109-21kthreadcore00:01:000
323382991512,2cyclictest330137-21irqcore19:15:030
323382991512,2cyclictest323380-21cyclictest21:52:120
323382991512,2cyclictest0-21swapper/021:10:010
323382991511,2cyclictest69250irq/121-eno123:05:510
323382991511,2cyclictest0-21swapper/021:15:020
6532002140,3sleep30-21swapper/323:10:583
3240591140,4phc2sys0-21swapper/320:10:543
3240591140,2phc2sys0-21swapper/323:59:363
3240591140,2phc2sys0-21swapper/323:52:003
3240591140,2phc2sys0-21swapper/323:45:163
3240591140,2phc2sys0-21swapper/323:23:223
3240591140,2phc2sys0-21swapper/321:10:283
3240591140,2phc2sys0-21swapper/300:10:083
3240591140,1phc2sys0-21swapper/300:34:353
323384991412,1cyclictest0-21swapper/222:05:592
323384991412,1cyclictest0-21swapper/222:00:562
323384991412,1cyclictest0-21swapper/220:35:552
323384991412,1cyclictest0-21swapper/220:20:022
323384991412,1cyclictest0-21swapper/220:04:552
323384991412,1cyclictest0-21swapper/219:20:532
323384991411,1cyclictest0-21swapper/223:45:522
323384991411,1cyclictest0-21swapper/223:15:522
323384991411,1cyclictest0-21swapper/221:06:022
323384991411,1cyclictest0-21swapper/220:10:572
32338399147,2cyclictest1157598rtkit-daemon20:34:291
32338399146,3cyclictest501rcuop/223:36:281
32338399146,3cyclictest501rcuop/219:28:321
32338399145,3cyclictest501rcuop/223:03:211
32338399143,3cyclictest479348-21ssh21:15:021
32338399142,1cyclictest323686-21apt-get19:10:511
323383991411,2cyclictest774177-21sh00:31:431
323383991411,2cyclictest430377-21irqrtprio20:35:571
323383991411,2cyclictest0-21swapper/121:55:591
323383991411,2cyclictest0-21swapper/121:20:591
323383991410,3cyclictest408456-21kthreadcore20:16:001
323383991410,3cyclictest1307-21mta-sts-daemon20:20:541
32338299145,5cyclictest0-21swapper/020:13:490
32338299145,5cyclictest0-21swapper/019:36:420
32338299143,6cyclictest444121-21cat20:45:570
323382991412,1cyclictest323392-21systemd-run19:10:020
323382991412,1cyclictest268-21systemd-journal19:29:070
323382991411,2cyclictest461602-21kthreadcore21:01:000
323382991411,2cyclictest414308-21kthreadcore20:20:580
323382991411,2cyclictest389039-21kthreadcore20:00:580
323382991411,2cyclictest1300-21mta-sts-daemon21:21:000
323382991411,2cyclictest0-21swapper/023:36:010
1157598140,5rtkit-daemon1300-21mta-sts-daemon21:29:210
3240591130,5phc2sys0-21swapper/322:39:563
3240591130,2phc2sys0-21swapper/323:15:413
3240591130,2phc2sys0-21swapper/321:31:043
3240591130,2phc2sys0-21swapper/320:16:023
3240591130,2phc2sys0-21swapper/320:00:513
3240591130,1phc2sys0-21swapper/322:52:433
3240591130,1phc2sys0-21swapper/320:20:553
323384991311,1cyclictest0-21swapper/220:50:582
323384991311,1cyclictest0-21swapper/219:25:562
323384991311,1cyclictest0-21swapper/219:10:022
323384991310,1cyclictest0-21swapper/222:45:582
323384991310,1cyclictest0-21swapper/219:45:582
32338399138,3cyclictest351ktimers/120:40:501
323383991310,2cyclictest1306-21mta-sts-daemon19:51:051
323382991310,2cyclictest394201-21kthreadcore20:05:570
323382991310,2cyclictest383403-21kthreadcore19:55:590
323382991310,2cyclictest365849-21kthreadcore19:40:570
32338299130,8cyclictest423061-21/usr/sbin/munin20:31:000
3240591123,2phc2sys0-21swapper/300:20:583
3240591121,2phc2sys0-21swapper/321:45:593
3240591120,6phc2sys0-21swapper/319:13:463
3240591120,2phc2sys0-21swapper/322:34:173
3240591120,2phc2sys0-21swapper/319:25:523
3240591120,2phc2sys0-21swapper/300:01:333
3240591120,1phc2sys0-21swapper/322:46:393
32338399127,3cyclictest1-21systemd19:10:031
32338299122,2cyclictest271irq_work/019:30:550
32338299121,6cyclictest0-21swapper/020:15:540
3240591112,2phc2sys0-21swapper/320:34:293
3240591111,4phc2sys0-21swapper/319:30:513
3240591111,2phc2sys0-21swapper/300:36:053
3240591110,2phc2sys0-21swapper/319:56:583
3240591110,2phc2sys0-21swapper/319:46:053
3240591110,2phc2sys0-21swapper/300:26:033
3240591110,1phc2sys0-21swapper/322:44:273
3240591110,1phc2sys0-21swapper/322:08:553
3240591102,2phc2sys0-21swapper/321:21:183
3240591102,1phc2sys0-21swapper/319:50:583
3240591101,2phc2sys0-21swapper/319:35:503
3240591101,2phc2sys0-21swapper/319:06:013
3240591100,3phc2sys0-21swapper/321:25:523
3240591100,3phc2sys0-21swapper/300:05:153
3240591100,2phc2sys0-21swapper/323:30:523
3240591100,2phc2sys0-21swapper/322:26:273
3240591100,2phc2sys0-21swapper/321:58:213
3240591100,2phc2sys0-21swapper/321:39:093
3240591100,2phc2sys0-21swapper/320:36:023
3240591100,2phc2sys0-21swapper/319:20:393
324059191,2phc2sys0-21swapper/323:25:273
324059191,2phc2sys0-21swapper/319:15:023
324059190,2phc2sys0-21swapper/322:00:053
324059190,2phc2sys0-21swapper/321:05:153
324059190,2phc2sys0-21swapper/321:01:063
324059190,2phc2sys0-21swapper/320:55:533
324059190,2phc2sys0-21swapper/320:45:513
324059190,2phc2sys0-21swapper/319:40:563
324059190,2phc2sys0-21swapper/300:15:493
324059190,1phc2sys0-21swapper/320:05:323
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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