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2025-11-18 - 19:09
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 792 highest latencies:
System rack2slot7.osadl.org (updated Tue Nov 18, 2025 12:43:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
238115399503,5cyclictest2474489-21ntpq10:23:030
238115399441,10cyclictest2539309-21sendmail-msp11:48:100
238115399435,18cyclictest2490391-21ntp_states10:43:070
238115499396,13cyclictest0-21swapper/111:23:041
238115399389,7cyclictest2478453-21ntpq10:28:060
238115399382,19cyclictest0-21swapper/010:08:100
2381155993518,12cyclictest111788-21systemd-journal12:08:112
238115399334,26cyclictest2561790-21ntpq12:13:080
2381153993223,0cyclictest0-21swapper/010:18:070
238115399302,26cyclictest2481747-21grep10:32:590
238115599294,13cyclictest619-21mta-sts-daemon11:35:562
2381155992920,6cyclictest0-21swapper/210:43:072
238115399292,6cyclictest2576700-21ssh12:28:040
238115399291,7cyclictest2428585-21munin-run09:25:550
238115399290,28cyclictest0-21swapper/008:17:570
238115399284,2cyclictest2457653-21/usr/sbin/munin10:02:590
2381153992716,3cyclictest0-21swapper/009:58:000
238115399270,2cyclictest0-21swapper/008:58:050
238115499268,12cyclictest1008-21mta-sts-daemon12:21:191
238115399262,17cyclictest2551621-21latency_hist12:00:550
238115399260,26cyclictest0-21swapper/012:42:570
238115599254,17cyclictest2470424-21ntpq10:18:042
238115499253,4cyclictest171rcu_preempt11:13:041
238115499252,5cyclictest2412293-21open_files08:48:051
238115499252,19cyclictest2474485-21ssh10:23:031
238115399256,2cyclictest14-21ksoftirqd/008:48:050
238115399254,19cyclictest0-21swapper/010:48:070
238115399252,4cyclictest171rcu_preempt09:48:070
238115599247,12cyclictest2423159-21ssh09:18:042
2381155992414,7cyclictest0-21swapper/212:12:172
2381154992420,3cyclictest2574198-21sendmail-msp12:28:041
2381154992415,5cyclictest2557154-21/usr/sbin/munin12:08:111
238115399245,15cyclictest619-21mta-sts-daemon12:18:050
238115399242,4cyclictest111788-21systemd-journal09:55:550
2381153992413,3cyclictest2527524-21ssh11:31:200
238115599232,4cyclictest2434553-21ntpq09:33:082
238115499233,5cyclictest171rcu_preempt12:10:591
238115399234,15cyclictest111788-21systemd-journal11:35:560
238115399231,1cyclictest0-21swapper/009:37:590
2381155992212,8cyclictest0-21swapper/212:30:142
238115599221,13cyclictest111788-21systemd-journal11:53:152
2381154992219,2cyclictest1007-21mta-sts-daemon11:51:241
238115499220,5cyclictest171rcu_preempt10:03:031
2381153992217,3cyclictest2413391-21fschecks_time08:53:100
2381153992214,3cyclictest11050irq/107-eth%d09:15:550
238115399221,2cyclictest2498050-21processes10:53:060
238115399221,20cyclictest0-21swapper/011:55:390
238115399220,2cyclictest2537172-21grep11:43:030
238115599212,10cyclictest111788-21systemd-journal11:10:552
238115399217,3cyclictest2523161-21ssh11:25:550
238115399212,17cyclictest2507913-21sendmail-msp11:13:040
238115399211,19cyclictest0-21swapper/012:03:050
112699210,2rtkit-daemon0-21swapper/107:14:491
238115599204,12cyclictest2450935-21ssh09:53:552
238115499206,9cyclictest0-21swapper/108:28:071
238115499205,7cyclictest2537654-21/usr/sbin/munin11:43:111
238115399207,1cyclictest0-21swapper/009:43:040
238115599199,1cyclictest11050irq/107-eth%d10:13:042
238115599199,1cyclictest11050irq/107-eth%d10:13:042
238115599193,10cyclictest2566228-21ssh12:18:012
238115599192,15cyclictest2462822-21ntpq10:08:102
2381155991911,6cyclictest0-21swapper/211:28:082
238115599191,14cyclictest2420432-21gcc09:13:042
238115499193,2cyclictest171rcu_preempt11:32:561
238115499193,14cyclictest967-21snmpd09:08:041
238115499193,10cyclictest2525091-21/usr/sbin/munin11:28:031
238115499192,13cyclictest2507913-21sendmail-msp11:10:371
238115499191,5cyclictest2506757-21ssh11:03:371
2381154991915,3cyclictest2394918-21fschecks_time07:58:051
2381154991915,2cyclictest2384340-21unixbench_multi07:23:071
238115399193,13cyclictest2559085-21apt-get12:10:550
238115399193,13cyclictest111788-21systemd-journal11:06:510
238115399190,18cyclictest2587014-21grep12:38:080
112699190,5rtkit-daemon1005-21mta-sts-daemon09:21:521
112699190,1rtkit-daemon0-21swapper/008:20:550
238115599186,9cyclictest2403811-21memory08:23:002
238115599185,9cyclictest2553632-21/usr/sbin/munin12:03:062
238115599185,9cyclictest2454071-21ssh09:58:032
238115599182,12cyclictest111788-21systemd-journal10:51:112
238115499185,9cyclictest764-21rs:main1
238115499184,8cyclictest2476942-21ssh10:26:491
238115499184,10cyclictest2533984-21ssh11:38:091
238115499184,10cyclictest2444006-21sendmail-msp09:48:061
2381154991816,1cyclictest0-21swapper/108:45:551
2381154991814,3cyclictest0-21swapper/111:58:111
238115499181,3cyclictest0-21swapper/109:43:061
238115399183,9cyclictest2434544-21ssh09:33:080
238115399182,11cyclictest2570324-21ssh12:22:230
2381153991816,2cyclictest0-21swapper/008:28:120
238115399181,5cyclictest2582445-21ssh12:33:140
238115399180,1cyclictest2465888-21/usr/sbin/munin10:13:020
238115399180,1cyclictest2465888-21/usr/sbin/munin10:13:020
112699180,1rtkit-daemon0-21swapper/008:01:440
2381155991713,3cyclictest2474413-21ntp_kernel_pll_10:23:022
2381155991713,2cyclictest0-21swapper/210:37:582
238115499178,7cyclictest261rcuc/110:46:211
238115499174,12cyclictest0-21swapper/110:18:041
238115499172,5cyclictest2421015-21apt09:15:551
238115499172,2cyclictest171rcu_preempt11:48:101
238115499172,13cyclictest2404578-21sendmail-msp08:33:061
238115499171,9cyclictest2429635-21ssh09:27:551
2381154991711,4cyclictest2394222-21grep07:53:091
238115399172,9cyclictest2398571-21fschecks_time08:08:030
238115399172,14cyclictest0-21swapper/011:18:000
238115399172,11cyclictest0-21swapper/009:18:040
238115399171,6cyclictest2505952-21ntpq11:03:050
112699170,3rtkit-daemon1125-21rtkit-daemon09:20:141
112699170,3rtkit-daemon1125-21rtkit-daemon07:32:460
238115699165,6cyclictest0-21swapper/310:31:523
238115699164,6cyclictest0-21swapper/310:23:033
238115599164,8cyclictest2501905-21ntpq10:58:032
238115599163,9cyclictest2504201-21ssh11:01:072
238115599163,12cyclictest1008-21mta-sts-daemon08:29:272
238115599163,11cyclictest2445723-21/usr/sbin/munin09:48:032
238115599163,11cyclictest2381107-21munin-run07:15:552
238115599162,12cyclictest2458242-21ssh10:03:042
2381155991610,4cyclictest0-21swapper/209:03:072
238115499165,8cyclictest0-21swapper/109:57:551
238115499162,12cyclictest2490383-21ntp_states10:43:061
238115499161,3cyclictest171rcu_preempt10:06:001
2381154991610,5cyclictest2388335-21fschecks_time07:37:581
238115399162,2cyclictest2406906-21sed08:33:010
238115399161,6cyclictest0-21swapper/010:37:580
2381153991613,2cyclictest0-21swapper/009:10:550
238115399161,14cyclictest11050irq/107-eth%d07:17:590
238115399161,11cyclictest2460338-1kworker/0:0H+kblockd11:30:360
112699160,3rtkit-daemon1125-21rtkit-daemon08:07:131
238115699155,8cyclictest0-21swapper/311:13:043
238115699153,7cyclictest0-21swapper/309:43:053
238115599154,5cyclictest2573933-21ssh12:25:372
238115599153,8cyclictest111788-21systemd-journal11:11:362
238115599153,10cyclictest2401263-21grep08:15:552
238115599152,11cyclictest2523194-21sendmail-msp11:33:282
238115599152,11cyclictest2481714-21/usr/sbin/munin10:32:582
238115599152,10cyclictest111788-21systemd-journal10:46:452
238115599151,8cyclictest1-21systemd12:00:552
2381155991511,3cyclictest2392669-21sh07:50:552
238115599151,12cyclictest2586855-21ntpq12:38:062
238115599151,12cyclictest2393277-21grep07:52:582
238115599151,11cyclictest2430511-21/usr/sbin/munin09:28:042
2381155991511,1cyclictest0-21swapper/212:33:052
238115499158,4cyclictest0-21swapper/110:13:011
238115499158,4cyclictest0-21swapper/110:13:011
238115499154,9cyclictest1007-21mta-sts-daemon12:41:191
238115499153,10cyclictest111788-21systemd-journal12:31:181
238115499152,8cyclictest11050irq/107-eth%d07:48:061
238115499152,11cyclictest2384987-21fschecks_count07:27:581
2381154991513,1cyclictest0-21swapper/108:03:021
238115499151,12cyclictest2497743-21/usr/sbin/munin10:53:021
2381154991510,4cyclictest1007-21mta-sts-daemon10:58:041
238115399159,5cyclictest762-21in:imuxsock07:28:060
238115399153,8cyclictest2430510-21ssh09:28:040
238115399153,8cyclictest2408078-21/usr/sbin/munin08:37:590
238115399152,5cyclictest2409720-21/usr/sbin/munin08:43:200
238115399151,1cyclictest0-21swapper/007:37:570
2381153991510,4cyclictest0-21swapper/007:42:560
238115699142,8cyclictest0-21swapper/309:48:073
238115699142,8cyclictest0-21swapper/308:48:053
238115699142,8cyclictest0-21swapper/308:03:033
238115599148,3cyclictest0-21swapper/208:53:112
238115599146,7cyclictest2479063-21unixbench_singl10:28:122
238115599146,7cyclictest2426351-21/usr/sbin/munin09:22:582
238115599142,9cyclictest2517829-21sed11:18:082
238115599142,5cyclictest2415047-21cut08:58:002
238115599141,2cyclictest0-21swapper/211:47:592
2381155991411,2cyclictest2442758-21unixbench_singl09:43:122
238115499145,6cyclictest0-21swapper/107:33:041
238115499145,5cyclictest2409139-21/usr/sbin/munin08:38:111
238115499144,7cyclictest2516501-21ssh11:17:561
238115499144,6cyclictest2435039-21sh09:33:141
238115499142,6cyclictest2400356-21/usr/sbin/munin08:13:011
238115499140,4cyclictest2417712-21munin-run09:05:541
238115399145,6cyclictest0-21swapper/007:48:060
238115399141,8cyclictest0-21swapper/010:56:530
112699140,1rtkit-daemon0-21swapper/208:10:122
238115699134,3cyclictest0-21swapper/311:29:313
238115699133,6cyclictest0-21swapper/310:53:063
238115699133,5cyclictest0-21swapper/308:28:073
238115699132,6cyclictest0-21swapper/309:38:043
238115699131,6cyclictest0-21swapper/310:13:003
238115699131,6cyclictest0-21swapper/310:13:003
238115599139,3cyclictest1125-21rtkit-daemon09:36:432
238115599135,7cyclictest2396532-21apt-get08:00:572
238115599134,6cyclictest2521161-21ssh11:23:032
238115599133,7cyclictest2537363-21ntpq11:43:052
238115599133,7cyclictest2408389-21grep08:38:022
238115599133,7cyclictest2386691-21grep07:32:582
238115599132,7cyclictest2384683-21/usr/sbin/munin07:27:552
238115599132,4cyclictest2591330-21fschecks_count12:42:592
238115599131,8cyclictest2388234-21/usr/sbin/munin07:37:582
238115599131,7cyclictest2384431-21sendmail07:25:552
238115599131,11cyclictest2411335-21wc08:45:562
2381155991311,1cyclictest0-21swapper/208:33:022
238115499135,4cyclictest2404268-21/usr/sbin/munin08:23:081
238115499134,7cyclictest0-21swapper/108:53:101
238115499134,3cyclictest2552643-21/usr/sbin/munin12:03:021
238115499133,8cyclictest2585971-21munin-node12:37:591
238115499131,9cyclictest2391041-21sendmail-msp07:45:551
238115499131,1cyclictest171rcu_preempt09:38:071
238115499131,10cyclictest2402550-21/usr/sbin/munin08:18:091
238115399139,3cyclictest2384314-21unixbench_multi07:23:070
238115399131,2cyclictest2395347-21ntpq07:58:090
2381153991310,2cyclictest2401223-21unixbench_singl08:13:110
238115699124,4cyclictest0-21swapper/311:43:043
238115699124,3cyclictest0-21swapper/309:23:043
238115699124,2cyclictest0-21swapper/310:18:043
238115699123,8cyclictest0-21swapper/312:08:113
238115699123,6cyclictest0-21swapper/310:02:593
238115699123,5cyclictest0-21swapper/308:17:583
238115699123,4cyclictest0-21swapper/312:33:053
238115699122,6cyclictest0-21swapper/311:17:593
238115699122,6cyclictest0-21swapper/307:18:123
238115699121,7cyclictest0-21swapper/311:38:053
238115699120,7cyclictest0-21swapper/307:45:553
238115599128,2cyclictest0-21swapper/207:43:012
238115599125,4cyclictest2401720-21sort08:17:592
238115599122,8cyclictest0-21swapper/208:48:032
238115599122,7cyclictest2395429-21/usr/sbin/munin07:58:102
238115499126,3cyclictest28-21ksoftirqd/109:53:161
238115499122,8cyclictest2485695-21/usr/sbin/munin10:37:581
238115499121,8cyclictest2566519-21ntpq12:18:031
238115499121,6cyclictest2381684-21fschecks_count07:18:011
238115499120,9cyclictest2415079-21gltestperf08:58:011
238115399121,9cyclictest2416612-21fschecks_count09:02:590
238115399121,4cyclictest2392907-21/usr/sbin/munin07:53:090
238115699116,3cyclictest0-21swapper/311:58:053
238115699115,4cyclictest0-21swapper/310:06:013
238115699115,2cyclictest0-21swapper/307:23:013
238115699114,3cyclictest0-21swapper/312:40:553
238115699114,3cyclictest0-21swapper/307:58:143
238115699113,5cyclictest0-21swapper/310:28:063
238115699113,4cyclictest0-21swapper/312:10:573
238115699113,4cyclictest0-21swapper/310:57:563
238115699113,3cyclictest0-21swapper/312:03:053
238115699113,3cyclictest0-21swapper/310:47:253
238115699113,3cyclictest0-21swapper/308:53:143
238115699112,7cyclictest0-21swapper/312:28:043
238115699112,6cyclictest0-21swapper/312:18:043
238115699112,6cyclictest0-21swapper/309:18:103
238115699112,5cyclictest0-21swapper/307:33:023
238115699112,4cyclictest0-21swapper/308:13:043
238115699111,5cyclictest0-21swapper/311:32:563
238115699111,4cyclictest0-21swapper/310:42:593
238115699111,4cyclictest0-21swapper/309:03:033
238115599111,8cyclictest2381402-21aten_r2power_cu07:17:592
238115399117,3cyclictest2381214-21wc07:15:550
238115699104,3cyclictest0-21swapper/311:08:063
238115699103,5cyclictest0-21swapper/310:37:573
238115699103,5cyclictest0-21swapper/308:22:593
238115699103,5cyclictest0-21swapper/307:28:063
238115699103,4cyclictest0-21swapper/308:33:063
238115699103,4cyclictest0-21swapper/307:37:583
238115699102,4cyclictest0-21swapper/309:33:083
238115699102,4cyclictest0-21swapper/307:52:593
238115699101,6cyclictest0-21swapper/311:46:193
238115699101,5cyclictest0-21swapper/309:28:043
238115699101,5cyclictest0-21swapper/308:43:213
238115699100,6cyclictest0-21swapper/312:22:583
238115699100,5cyclictest0-21swapper/308:37:593
238115599102,5cyclictest2418218-21/usr/sbin/munin09:07:582
23811569994,4cyclictest0-21swapper/309:06:223
23811569994,3cyclictest0-21swapper/312:43:023
23811569994,3cyclictest0-21swapper/307:48:043
23811569993,4cyclictest0-21swapper/311:53:093
23811569992,6cyclictest0-21swapper/309:58:013
23811569992,5cyclictest0-21swapper/311:23:033
23811569992,4cyclictest0-21swapper/309:53:263
23811569992,3cyclictest0-21swapper/308:57:593
23811569991,5cyclictest0-21swapper/311:01:433
23811569991,5cyclictest0-21swapper/308:06:203
23811569990,5cyclictest0-21swapper/309:13:043
23811569953,1cyclictest0-21swapper/307:15:553
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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