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2026-07-24 - 06:27
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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 all highest latencies:
System rackeslot2.osadl.org (updated Fri Jul 24, 2026 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
289915021560,1sleep02899153-21cut22:21:000
283246821490,1sleep02832471-21irqrtprio21:35:590
267693921080,2sleep30-21swapper/319:31:073
29198432870,1sleep3551rcuc/322:35:023
29048812710,0sleep12904884-21cut22:25:021
28966952710,1sleep12896694-21ssh22:18:131
29568032280,2sleep11176268-1atop23:00:011
3240591271,6phc2sys0-21swapper/323:25:533
2644792992522,2cyclictest664-21dbus-daemon00:40:020
2644792992421,2cyclictest2644787-21cyclictest00:35:020
2644793992320,2cyclictest2874991-21grep22:05:021
2644792992312,6cyclictest0-21swapper/023:40:030
2644793992219,2cyclictest1-21systemd00:30:011
2644793992216,2cyclictest69250irq/121-eno123:14:071
2644793992216,2cyclictest69250irq/121-eno122:00:011
2644793992214,3cyclictest759-1atopacctd21:16:031
2644792992215,6cyclictest3004371-21kthreadcore23:31:010
2644792992212,6cyclictest0-21swapper/023:50:010
3240591212,2phc2sys0-21swapper/319:50:563
28116272210,2sleep30-21swapper/321:21:033
2644793992118,2cyclictest2822944-21apt-key21:30:011
2644793992118,2cyclictest2762635-21systemd-run20:45:011
2644794992017,1cyclictest0-21swapper/223:20:012
2644794992017,1cyclictest0-21swapper/220:40:022
264479299201,11cyclictest2853355-21ssh21:50:550
2644792992010,6cyclictest2980613-21irqrtprio23:15:580
2644792992010,5cyclictest0-21swapper/022:01:000
264479299200,4cyclictest2962817-21ssh23:01:250
1157598200,4rtkit-daemon1306-21mta-sts-daemon20:23:511
3240591191,3phc2sys0-21swapper/322:11:263
3240591191,3phc2sys0-21swapper/319:15:543
2644794991916,1cyclictest0-21swapper/200:06:052
2644794991914,2cyclictest0-21swapper/220:57:332
2644793991916,2cyclictest664-21dbus-daemon23:45:031
2644793991916,2cyclictest2927109-21turbostat22:40:001
2644793991916,2cyclictest2827005-21kthreadcore21:31:011
2644793991916,2cyclictest0-21swapper/122:10:021
2644793991915,3cyclictest602-17auditd21:05:551
264479299199,5cyclictest0-21swapper/021:55:070
264479299198,6cyclictest0-21swapper/022:56:020
2644792991913,5cyclictest2978808-21perf23:15:010
264479299191,12cyclictest2830565-21munin-plugin-st21:35:000
3240591181,5phc2sys0-21swapper/322:05:543
2644794991815,1cyclictest0-21swapper/223:25:012
2644794991815,1cyclictest0-21swapper/200:25:012
2644794991815,1cyclictest0-21swapper/200:20:002
2644793991816,1cyclictest501rcuop/223:15:541
2644793991815,2cyclictest2644787-21cyclictest19:56:031
2644793991813,1cyclictest69250irq/121-eno119:36:071
264479399181,2cyclictest2831181-21apt-get21:35:531
264479299189,5cyclictest2924585-21kthreadcore22:36:010
264479299184,8cyclictest2689914-21aten2.4-expect19:45:540
2644792991815,2cyclictest2889953-21ls22:15:010
2644792991815,2cyclictest2651236-21timerwakeupswit19:15:020
2644792991814,2cyclictest838-21gmain20:30:030
3240591170,2phc2sys0-21swapper/323:37:493
3240591170,2phc2sys0-21swapper/322:21:333
2644794991714,1cyclictest0-21swapper/222:55:582
2644794991714,1cyclictest0-21swapper/222:41:072
2644794991714,1cyclictest0-21swapper/221:50:012
2644794991714,1cyclictest0-21swapper/200:40:012
264479399179,3cyclictest0-21swapper/123:28:071
2644793991714,2cyclictest759-1atopacctd00:36:011
2644793991714,2cyclictest3054477-21irqrtprio00:06:031
2644793991714,2cyclictest3024766-21sed23:45:581
2644793991714,2cyclictest2917590-21pmu-power22:31:051
2644793991714,2cyclictest2725877-21cron20:15:011
2644793991713,3cyclictest2707409-21kworker/u16:3+nfsiod22:42:581
264479299177,9cyclictest0-21swapper/000:10:550
2644792991714,2cyclictest672-21polkitd20:05:010
2644792991714,2cyclictest664-21dbus-daemon00:00:030
2644792991714,2cyclictest3053997-21cut00:06:010
2644792991714,2cyclictest2906611-21kthreadcore22:26:000
2644792991714,2cyclictest2814140-21head21:21:110
2644792991714,2cyclictest1307-21mta-sts-daemon23:51:070
2644792991714,2cyclictest0-21swapper/022:10:010
2644792991713,3cyclictest3018776-21kthreadcore23:41:020
2644792991712,4cyclictest2965984-21kthreadcore23:06:020
2644792991711,5cyclictest2801327-21tail21:15:560
3240591160,2phc2sys0-21swapper/322:48:423
3240591160,2phc2sys0-21swapper/300:20:053
3240591160,1phc2sys0-21swapper/320:35:013
3240591160,1phc2sys0-21swapper/300:26:223
264479499165,5cyclictest0-21swapper/219:10:542
264479499161,8cyclictest0-21swapper/222:50:542
2644794991613,1cyclictest0-21swapper/222:05:012
2644794991613,1cyclictest0-21swapper/221:05:002
2644794991613,1cyclictest0-21swapper/220:20:582
2644794991613,1cyclictest0-21swapper/220:15:012
2644794991613,1cyclictest0-21swapper/219:50:002
2644794991613,1cyclictest0-21swapper/219:20:032
2644794991612,2cyclictest0-21swapper/221:55:122
2644794991611,2cyclictest0-21swapper/222:13:462
264479499160,8cyclictest0-21swapper/220:00:012
264479399169,6cyclictest1300-21mta-sts-daemon23:32:571
264479399169,3cyclictest3035979-21grep23:51:041
264479399167,3cyclictest3050231-21ssh00:01:021
2644793991613,2cyclictest3091835-21sh00:30:591
2644793991613,2cyclictest2844689-21sh21:43:061
2644793991613,2cyclictest2768794-21cut20:50:021
2644793991613,2cyclictest2701041-21timerandwakeup19:51:071
2644793991613,2cyclictest2689467-21latency_hist19:45:011
2644793991613,2cyclictest2653127-21irqcore19:15:041
2644793991613,2cyclictest2651161-21if_enp1s0.819:15:021
2644793991613,2cyclictest1306-21mta-sts-daemon21:48:031
2644793991613,2cyclictest1-21systemd22:50:001
2644793991613,2cyclictest1-21systemd00:15:011
2644793991613,2cyclictest11574-21rtkit-daemon21:13:091
2644793991611,2cyclictest1306-21mta-sts-daemon21:50:091
264479299168,2cyclictest0-21swapper/022:16:050
264479299162,4cyclictest3047677-21tr00:01:000
264479299161,9cyclictest664-21dbus-daemon20:45:020
2644792991613,2cyclictest759-1atopacctd19:16:020
2644792991613,2cyclictest3083782-21fschecks_time00:25:570
2644792991613,2cyclictest2852949-21/usr/sbin/munin21:50:020
2644792991613,2cyclictest2744132-21apt-get20:30:010
2644792991612,3cyclictest2706025-21kthreadcore19:56:030
2644792991611,2cyclictest1306-21mta-sts-daemon21:28:070
264479299160,11cyclictest2997373-21kthreadcore23:26:010
1157598160,2rtkit-daemon0-21swapper/119:30:201
3240591151,2phc2sys0-21swapper/322:03:493
3240591150,4phc2sys0-21swapper/321:32:063
3240591150,3phc2sys0-21swapper/320:55:033
3240591150,2phc2sys0-21swapper/322:57:483
3240591150,2phc2sys0-21swapper/321:44:503
3240591150,2phc2sys0-21swapper/321:39:153
264479499151,5cyclictest0-21swapper/200:30:022
2644794991513,1cyclictest0-21swapper/223:30:552
2644794991513,1cyclictest0-21swapper/222:50:022
2644794991513,1cyclictest0-21swapper/221:35:572
2644794991513,1cyclictest0-21swapper/221:35:022
2644794991513,1cyclictest0-21swapper/220:25:542
2644794991513,1cyclictest0-21swapper/220:20:022
2644794991513,1cyclictest0-21swapper/219:40:002
2644794991512,1cyclictest0-21swapper/223:04:362
2644794991512,1cyclictest0-21swapper/222:20:012
2644794991512,1cyclictest0-21swapper/222:06:352
2644794991512,1cyclictest0-21swapper/221:25:002
2644794991512,1cyclictest0-21swapper/221:16:062
2644794991512,1cyclictest0-21swapper/220:53:412
2644794991512,1cyclictest0-21swapper/220:35:012
2644794991512,1cyclictest0-21swapper/200:04:312
2644794991511,2cyclictest0-21swapper/220:00:222
264479499150,6cyclictest0-21swapper/222:35:532
264479399159,2cyclictest69250irq/121-eno122:11:041
264479399158,5cyclictest268-21systemd-journal19:46:071
264479399158,2cyclictest2744509-21munin-run20:30:021
264479399153,5cyclictest0-21swapper/119:26:021
2644793991513,1cyclictest2967491-21kthreadcore23:06:021
2644793991512,2cyclictest684-21systemd-logind20:05:021
2644793991512,2cyclictest3039842-21kthreadcore23:56:001
2644793991512,2cyclictest2957518-21cpuspeed23:00:561
2644793991512,2cyclictest2943836-21kthreadcore22:51:011
2644793991512,2cyclictest2812137-21kthreadcore21:21:041
2644793991511,3cyclictest3081031-21wc00:21:081
2644793991510,1cyclictest69250irq/121-eno121:00:561
264479299158,6cyclictest1300-21mta-sts-daemon00:23:350
264479299158,5cyclictest0-21swapper/021:10:020
264479299157,4cyclictest0-21swapper/020:50:550
264479299156,4cyclictest0-21swapper/022:50:010
264479299155,8cyclictest2945090-21tr22:51:020
2644792991512,2cyclictest2988147-21kthreadcore23:21:010
2644792991512,2cyclictest2934551-21sh22:45:000
2644792991512,2cyclictest2756496-21cron20:40:010
2644792991512,2cyclictest2684507-21gltestperf19:40:580
2644792991512,2cyclictest2677311-21latency_hist19:35:000
2644792991512,2cyclictest0-21swapper/020:10:010
1157598150,6rtkit-daemon1307-21mta-sts-daemon00:15:211
3240591141,4phc2sys0-21swapper/300:09:433
3240591141,3phc2sys0-21swapper/322:50:553
3240591140,2phc2sys0-21swapper/321:57:523
3240591140,2phc2sys0-21swapper/321:46:213
3240591140,1phc2sys0-21swapper/321:13:273
2644794991412,1cyclictest0-21swapper/221:51:002
2644794991411,1cyclictest0-21swapper/223:45:572
2644794991411,1cyclictest0-21swapper/223:41:442
2644794991411,1cyclictest0-21swapper/223:11:122
2644794991411,1cyclictest0-21swapper/223:05:342
2644794991411,1cyclictest0-21swapper/221:26:052
2644794991411,1cyclictest0-21swapper/221:10:022
2644794991411,1cyclictest0-21swapper/200:11:442
2644794991410,2cyclictest2838568-21taskset21:40:542
2644794991410,2cyclictest0-21swapper/222:21:092
2644794991410,2cyclictest0-21swapper/220:50:012
2644793991412,1cyclictest0-21swapper/120:30:521
2644793991411,2cyclictest2715428-21kthreadcore20:06:011
2644793991411,2cyclictest1307-21mta-sts-daemon23:37:551
2644793991411,2cyclictest1300-21mta-sts-daemon20:35:541
2644793991411,2cyclictest0-21swapper/122:25:531
2644793991410,3cyclictest2660595-21irqcore19:21:011
2644793991410,3cyclictest1306-21mta-sts-daemon20:50:591
264479299148,5cyclictest2843066-21tr21:41:040
264479299143,6cyclictest0-21swapper/022:30:540
264479299142,7cyclictest0-21swapper/021:10:560
2644792991411,2cyclictest3069779-21kthreadcore00:16:040
2644792991411,2cyclictest2732441-21tail20:20:520
2644792991411,2cyclictest2726942-21gltestperf20:15:570
2644792991411,2cyclictest2720865-21gltestperf20:10:570
2644792991411,2cyclictest1300-21mta-sts-daemon19:50:570
3240591138,2phc2sys0-21swapper/323:00:383
3240591130,4phc2sys0-21swapper/322:40:533
3240591130,3phc2sys0-21swapper/323:10:583
3240591130,2phc2sys0-21swapper/323:16:083
3240591130,2phc2sys0-21swapper/321:50:553
264479499139,2cyclictest0-21swapper/221:11:422
264479499139,1cyclictest0-21swapper/219:30:012
2644794991311,1cyclictest0-21swapper/223:55:522
2644794991311,1cyclictest0-21swapper/223:29:342
2644794991311,1cyclictest0-21swapper/222:30:032
2644794991311,1cyclictest0-21swapper/220:45:022
2644794991311,1cyclictest0-21swapper/219:45:022
2644794991310,1cyclictest0-21swapper/200:30:562
264479499130,5cyclictest0-21swapper/219:30:532
2644793991310,2cyclictest2775250-21aten_repower_vo20:55:551
2644793991310,2cyclictest2729776-21kthreadcore20:16:001
2644793991310,2cyclictest1307-21mta-sts-daemon23:20:261
264479299139,3cyclictest2765130-21kthreadcore20:46:030
264479299138,4cyclictest2650918-21munin-node21:02:150
264479299132,4cyclictest2677614-21sshd19:35:070
2644792991310,2cyclictest1300-21mta-sts-daemon20:55:580
264479299130,12cyclictest2665598-21apt-get19:25:550
3240591127,2phc2sys0-21swapper/320:46:043
3240591125,3phc2sys0-21swapper/320:01:023
3240591122,3phc2sys0-21swapper/300:00:533
3240591121,3phc2sys0-21swapper/322:36:003
3240591121,2phc2sys0-21swapper/321:26:023
3240591121,2phc2sys0-21swapper/319:10:533
3240591121,2phc2sys0-21swapper/300:18:163
264479499129,1cyclictest0-21swapper/220:05:112
2644794991210,1cyclictest0-21swapper/223:50:552
2644794991210,1cyclictest0-21swapper/223:35:032
2644794991210,1cyclictest0-21swapper/222:31:012
2644794991210,1cyclictest0-21swapper/219:50:572
264479399129,2cyclictest0-21swapper/119:10:021
264479299124,4cyclictest0-21swapper/019:20:570
3240591112,2phc2sys0-21swapper/323:48:353
3240591111,2phc2sys0-21swapper/323:53:483
3240591110,1phc2sys0-21swapper/322:19:103
3240591110,1phc2sys0-21swapper/320:56:563
3240591110,1phc2sys0-21swapper/320:18:103
264479499119,1cyclictest0-21swapper/219:20:082
264479299118,2cyclictest171ktimers/019:10:020
3240591102,2phc2sys0-21swapper/319:56:013
3240591101,2phc2sys0-21swapper/323:55:563
3240591101,2phc2sys0-21swapper/323:23:303
3240591101,2phc2sys0-21swapper/322:27:583
3240591101,2phc2sys0-21swapper/321:05:023
3240591101,2phc2sys0-21swapper/320:45:023
3240591101,2phc2sys0-21swapper/320:21:023
3240591100,2phc2sys0-21swapper/323:43:383
3240591100,2phc2sys0-21swapper/323:30:353
3240591100,2phc2sys0-21swapper/320:36:013
3240591100,2phc2sys0-21swapper/319:45:513
3240591100,2phc2sys0-21swapper/319:35:533
3240591100,2phc2sys0-21swapper/319:08:393
3240591100,1phc2sys0-21swapper/320:28:193
3240591100,1phc2sys0-21swapper/300:38:433
30614802100,2sleep30-21swapper/300:10:583
264479499107,2cyclictest0-21swapper/219:10:032
324059191,1phc2sys0-21swapper/320:06:033
324059190,4phc2sys0-21swapper/321:15:553
324059190,2phc2sys0-21swapper/323:05:423
324059190,2phc2sys0-21swapper/321:06:023
324059190,2phc2sys0-21swapper/319:41:023
324059190,2phc2sys0-21swapper/319:26:073
324059190,2phc2sys0-21swapper/319:20:593
324059190,2phc2sys0-21swapper/300:30:073
324059180,2phc2sys0-21swapper/320:10:083
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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