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2026-03-29 - 15:29
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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
Compare latency of primary with shadow system
Characteristics of the 792 highest latencies:
System rackbslot4.osadl.org (updated Sun Mar 29, 2026 12:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30854996410,48cyclictest2504-21cut08:42:590
3086599634,51cyclictest0-21swapper/207:07:002
3086599634,51cyclictest0-21swapper/207:07:002
30872996214,43cyclictest21124-21ntp_kernel_err09:07:593
30872996120,36cyclictest5254-21ls11:38:033
30872996014,40cyclictest12988-21grep08:13:103
294792607,17sleep30-21swapper/306:08:003
30872995915,38cyclictest28799-21switchtime09:18:043
30872995813,38cyclictest5145-21/usr/sbin/munin10:12:583
30854995814,38cyclictest11182-21processes09:38:020
30854995813,39cyclictest1456-21/usr/sbin/munin10:08:020
3085499579,42cyclictest0-21swapper/010:13:200
3086599565,45cyclictest0-21swapper/208:17:282
3086599564,7cyclictest0-21swapper/208:17:482
30872995517,33cyclictest13750-21ntp_states08:58:003
3086599554,45cyclictest0-21swapper/208:32:382
30854995514,35cyclictest18909-21users11:13:060
30854995511,38cyclictest32190-21unixbench-2d10:48:060
30872995414,34cyclictest22946-21/usr/sbin/munin08:28:033
30872995412,36cyclictest14982-21find09:43:033
30872995410,37cyclictest27679-21ssh10:42:553
3085899544,45cyclictest0-21swapper/110:09:271
3085499548,9cyclictest7702-21ssh09:33:050
30854995411,37cyclictest19711-21sh10:32:490
30854995410,39cyclictest1220-21gzip11:33:000
3056425410,14sleep20-21swapper/206:12:012
3087299538,39cyclictest0-21swapper/310:08:373
3087299537,40cyclictest31672-21needreboot10:47:583
30872995311,37cyclictest27652-21fgrep08:33:043
3086599534,6cyclictest0-21swapper/210:31:052
3086599533,45cyclictest0-21swapper/208:25:052
3086599533,45cyclictest0-21swapper/208:25:052
3086599533,44cyclictest0-21swapper/206:43:112
3085899533,45cyclictest2731-21ssh11:35:231
3085499538,39cyclictest0-21swapper/011:08:120
3085499537,42cyclictest22327-21ntp_kernel_pll_09:52:580
30854995311,37cyclictest4258-21ssh09:28:150
30854995311,36cyclictest9892-21/usr/sbin/munin11:02:590
3087299528,38cyclictest0-21swapper/311:13:353
3086599524,42cyclictest0-21swapper/209:01:272
3085899524,43cyclictest0-21swapper/109:22:261
3085899524,42cyclictest0-21swapper/110:52:571
3085899523,14cyclictest0-21swapper/111:19:241
3085499525,41cyclictest0-21swapper/008:37:580
30854995213,34cyclictest24159-21ntpq10:38:000
3087299519,37cyclictest16451-21ssh08:18:033
30872995111,34cyclictest26769-21ssh09:58:123
3086599514,41cyclictest0-21swapper/207:58:002
3086599513,43cyclictest0-21swapper/210:42:462
30865995115,31cyclictest10287-21fschecks_time11:02:482
30865995111,35cyclictest1431-21timerwakeupswit11:33:042
3085899515,39cyclictest0-21swapper/108:43:071
3085899514,41cyclictest0-21swapper/108:54:171
3085899514,41cyclictest0-21swapper/108:29:361
3085899513,42cyclictest0-21swapper/110:51:041
30854995112,34cyclictest11375-21diskmemload10:22:570
30854995110,35cyclictest6494-21switchtime08:48:050
30872995011,33cyclictest31859-21ssh08:38:163
3086599505,39cyclictest0-21swapper/208:54:462
3086599504,41cyclictest0-21swapper/208:43:472
3086599504,40cyclictest0-21swapper/209:52:332
3086599503,41cyclictest25044-21latency_hist07:22:402
3086599503,41cyclictest17371-21ssh09:47:262
3086599503,41cyclictest0-21swapper/210:39:302
3086599503,41cyclictest0-21swapper/210:33:052
3086599502,42cyclictest5747-21latency_hist07:57:392
30865995012,31cyclictest0-21swapper/209:08:222
3085899506,38cyclictest0-21swapper/109:43:461
3085899504,8cyclictest0-21swapper/108:18:181
3085899504,6cyclictest0-21swapper/109:33:361
3085899504,40cyclictest0-21swapper/111:05:441
3085899504,40cyclictest0-21swapper/111:01:361
3085899504,40cyclictest0-21swapper/109:10:081
3085899503,42cyclictest0-21swapper/109:28:261
3085899503,41cyclictest0-21swapper/111:09:241
3086599495,11cyclictest0-21swapper/211:17:532
3086599495,11cyclictest0-21swapper/206:38:022
3086599494,39cyclictest0-21swapper/210:14:162
3086599494,39cyclictest0-21swapper/210:05:102
3086599494,39cyclictest0-21swapper/210:05:102
3086599494,10cyclictest0-21swapper/210:23:452
30865994910,34cyclictest14040-21fschecks_time11:07:492
3085899497,37cyclictest0-21swapper/111:31:581
3085899494,40cyclictest0-21swapper/110:45:101
3085899494,40cyclictest0-21swapper/110:05:451
3085899494,40cyclictest0-21swapper/110:05:451
3085899494,39cyclictest0-21swapper/108:23:181
3085899494,39cyclictest0-21swapper/108:23:181
3085899493,41cyclictest0-21swapper/109:06:171
3085899492,41cyclictest18571-21ntp_states09:48:001
30854994914,30cyclictest0-21swapper/006:12:510
3086599484,38cyclictest0-21swapper/210:48:322
3086599484,38cyclictest0-21swapper/209:15:042
3086599484,37cyclictest0-21swapper/207:08:122
3086599482,40cyclictest12194-21ssh09:39:172
30865994812,30cyclictest0-21swapper/206:57:592
30865994811,31cyclictest0-21swapper/206:47:592
3085899484,9cyclictest0-21swapper/111:12:441
3085899484,40cyclictest0-21swapper/110:34:051
3085899484,39cyclictest0-21swapper/109:13:471
3085899484,39cyclictest0-21swapper/108:51:571
3085899484,38cyclictest0-21swapper/108:42:251
3085899483,40cyclictest0-21swapper/111:39:231
3085899483,40cyclictest0-21swapper/110:40:051
3085899481,5cyclictest30036-21ssh08:37:271
3086599475,10cyclictest0-21swapper/210:07:512
3086599474,39cyclictest0-21swapper/211:01:142
3086599474,37cyclictest0-21swapper/211:13:442
3086599474,37cyclictest0-21swapper/207:12:542
3086599474,36cyclictest0-21swapper/211:23:282
3086599473,39cyclictest0-21swapper/210:53:342
3086599473,39cyclictest0-21swapper/209:33:262
3086599473,39cyclictest0-21swapper/209:25:162
3086599473,38cyclictest0-21swapper/210:02:122
3086599473,38cyclictest0-21swapper/208:08:142
3086599472,39cyclictest17755-21kworker/2:208:34:172
30865994711,30cyclictest0-21swapper/208:38:542
30865994710,32cyclictest2982-21sh09:27:492
30865994710,31cyclictest0-21swapper/211:27:472
3085899474,37cyclictest0-21swapper/110:28:531
3085899474,37cyclictest0-21swapper/110:20:091
3085899474,37cyclictest0-21swapper/109:23:591
3085899473,39cyclictest0-21swapper/108:59:121
3085899473,39cyclictest0-21swapper/108:15:581
3085899472,39cyclictest7698-21sh10:17:151
3086599464,36cyclictest0-21swapper/211:41:072
3086599464,36cyclictest0-21swapper/210:20:382
3086599464,35cyclictest0-21swapper/208:48:002
3086599463,38cyclictest0-21swapper/207:43:022
3086599463,37cyclictest0-21swapper/209:55:102
3086599463,20cyclictest0-21swapper/209:20:532
3085899469,14cyclictest0-21swapper/110:22:461
3085899465,9cyclictest0-21swapper/109:56:041
3085899465,11cyclictest0-21swapper/106:18:001
3085899464,37cyclictest0-21swapper/106:23:101
3085899464,36cyclictest0-21swapper/110:01:581
3085899464,36cyclictest0-21swapper/108:07:511
3085899463,40cyclictest0-21swapper/109:41:361
3085499469,31cyclictest29742-21ssh08:36:500
30854994612,28cyclictest15086-21sh08:59:510
3086599457,32cyclictest0-21swapper/209:02:452
3086599454,36cyclictest0-21swapper/206:33:112
3086599454,35cyclictest0-21swapper/207:32:582
3086599454,35cyclictest0-21swapper/206:17:252
3086599453,36cyclictest0-21swapper/207:41:532
3086599453,36cyclictest0-21swapper/206:53:092
3085899459,30cyclictest0-21swapper/107:22:561
3085899454,36cyclictest0-21swapper/111:23:381
3085899444,35cyclictest0-21swapper/106:13:031
3085899443,36cyclictest0-21swapper/106:28:041
3086599433,35cyclictest0-21swapper/208:02:532
3085899434,8cyclictest0-21swapper/107:32:571
3085899434,34cyclictest0-21swapper/106:32:531
3085899434,33cyclictest0-21swapper/108:03:081
3085899434,16cyclictest0-21swapper/107:28:011
3085899433,35cyclictest0-21swapper/107:37:581
3085499439,19cyclictest258922sh09:57:570
3086599424,34cyclictest0-21swapper/206:18:512
3086599424,33cyclictest0-21swapper/207:27:402
3086599423,34cyclictest0-21swapper/207:47:582
3086599423,33cyclictest0-21swapper/206:27:412
3085499428,28cyclictest31043-21runrttasks07:37:530
30854994225,12cyclictest5390-21unixbench_singl11:38:050
30854994214,22cyclictest1965350ssh08:22:540
30854994214,22cyclictest1965350ssh08:22:540
3087299417,28cyclictest18449-21grep07:03:023
3087299417,28cyclictest18449-21grep07:03:023
30872994115,20cyclictest31079-21kernelversion06:12:463
3085899414,31cyclictest0-21swapper/107:21:531
30854994124,12cyclictest4571-21sh10:54:540
303832417,12sleep10-21swapper/106:09:511
30872994022,13cyclictest4087-21taskset10:53:523
30872994018,16cyclictest31395-21/usr/sbin/munin07:38:003
30872994013,21cyclictest1628150ssh10:27:553
30872994013,21cyclictest1538350ssh11:08:393
3086599404,6cyclictest0-21swapper/206:28:062
30854994015,21cyclictest0-21swapper/009:06:260
30854994014,21cyclictest8136-21/usr/sbin/munin10:18:070
30854994013,21cyclictest2598950ssh09:14:230
30854994013,21cyclictest2565950ssh08:31:020
305522404,11sleep00-21swapper/006:11:510
3087299393,30cyclictest20353-21ntp_kernel_pll_10:32:593
30872993923,11cyclictest5425-21grep06:28:013
30872993922,13cyclictest2618-21open_inodes08:43:023
30872993919,14cyclictest6533-21/usr/sbin/munin09:32:473
30872993919,14cyclictest5966-21/usr/sbin/munin07:57:493
30872993914,19cyclictest27893-21ntp_states07:28:033
30872993913,20cyclictest22093-21ntp_kernel_err11:17:563
30854993927,8cyclictest22626-21grep07:13:090
30854993918,17cyclictest29103-21sh10:02:450
30854993918,17cyclictest29103-21sh10:02:450
30854993913,20cyclictest18505-21ntpq07:03:030
30854993913,20cyclictest18505-21ntpq07:03:030
30854993913,20cyclictest111650ssh09:24:340
30854993912,21cyclictest11598-21ssh08:12:410
30854993910,23cyclictest4930-21fschecks_count06:27:540
30872993822,11cyclictest4792-21tail07:53:003
30872993821,12cyclictest0-21swapper/306:18:103
30872993819,13cyclictest29833-21sendmail_mailqu11:28:013
30872993819,13cyclictest24705-21/usr/sbin/munin10:38:083
30872993819,13cyclictest22430-21ps09:53:013
30872993815,17cyclictest10769-21/usr/sbin/munin06:42:553
30872993814,19cyclictest4081-21taskset09:28:073
30872993812,20cyclictest2403050ssh09:12:483
30872993811,22cyclictest18643-21grep09:48:013
3086599383,5cyclictest0-21swapper/207:32:402
30854993825,9cyclictest15732-21/usr/sbin/munin10:27:530
30854993819,14cyclictest0-21swapper/006:23:110
30854993818,14cyclictest6938-21ntpdc10:57:580
30854993815,18cyclictest0-21swapper/011:24:470
30854993815,18cyclictest0-21swapper/011:17:500
30854993815,17cyclictest29514-21kernelversion07:32:580
30854993815,17cyclictest0-21swapper/006:42:500
30854993814,19cyclictest1560-21missed_timers06:18:010
30854993814,18cyclictest0-21swapper/007:46:100
30854993813,19cyclictest23892-21iostat07:17:560
30854993813,19cyclictest1799950ssh08:20:350
30854993812,20cyclictest2929650ssh09:18:300
30854993811,21cyclictest548-21NetworkManager11:32:340
30872993721,11cyclictest25839-21ls07:22:583
30872993719,13cyclictest6558-21/usr/sbin/munin06:32:523
30872993719,13cyclictest3377-21sed07:48:083
30872993719,13cyclictest30160-21/usr/sbin/munin07:33:103
30872993719,13cyclictest25069-21/usr/sbin/munin11:23:043
30872993719,13cyclictest12169-21aten_rbpower_cu06:47:533
30872993719,12cyclictest10974-21uptime08:08:103
30872993718,14cyclictest6674-21timerwakeupswit08:48:073
30872993718,14cyclictest21527-21/usr/sbin/munin07:12:503
30872993718,13cyclictest364-21uptime09:23:073
30872993715,16cyclictest8662-21iostat10:17:513
30872993710,22cyclictest10342-21cut09:37:483
30854993720,12cyclictest7354-21runrttasks07:59:340
30854993718,13cyclictest6719-21/usr/sbin/munin06:32:530
30854993718,13cyclictest4193-21/usr/sbin/munin07:52:500
30854993716,17cyclictest26523-21runrttasks07:23:100
30854993716,16cyclictest0-21swapper/009:07:460
30854993716,15cyclictest28229-21threads10:43:050
30854993716,15cyclictest27321-21forks07:27:540
30854993712,19cyclictest1955650ssh09:49:020
30872993622,10cyclictest7425-21sed10:58:073
30872993620,12cyclictest8425-21munin-node06:37:533
30872993619,12cyclictest3945-21/usr/sbin/munin06:23:103
30872993618,13cyclictest2576-21ksmtuned11:35:043
30872993617,13cyclictest9892-21/usr/sbin/munin11:02:453
30872993617,13cyclictest10024-21/usr/sbin/munin08:53:003
30872993617,13cyclictest0-21swapper/308:22:553
30872993617,13cyclictest0-21swapper/308:22:553
30872993616,14cyclictest16806-21taskset09:02:503
30872993616,14cyclictest15285-21/usr/sbin/munin06:53:093
30872993613,17cyclictest12026-21tr10:22:473
30872993611,19cyclictest29664-21irqstats10:02:543
30872993611,19cyclictest29664-21irqstats10:02:543
3085499368,21cyclictest2662-21idleruntime07:47:540
30854993620,12cyclictest11210-21runrttasks08:10:480
30854993618,13cyclictest9459-21runrttasks08:07:100
30854993618,13cyclictest12164-21runrttasks06:47:510
30854993617,13cyclictest565-21irqbalance06:38:300
30854993616,14cyclictest15013-21/usr/sbin/munin09:43:040
30872993518,12cyclictest15896-21/usr/sbin/munin06:57:503
30872993517,13cyclictest705-21fschecks_time07:42:543
30872993516,14cyclictest8336-21/usr/sbin/munin08:02:553
30872993516,14cyclictest638-21runrttasks07:11:083
30872993514,15cyclictest23389-21runrttasks07:17:463
30854993524,7cyclictest20681-21timerandwakeup07:08:100
30854993524,7cyclictest16189-21grep06:57:540
30854993520,10cyclictest9176-21sh08:52:460
30854993519,12cyclictest14359-21fschecks_time06:52:530
135492353,6sleep10-21swapper/106:49:381
118322353,6sleep10-21swapper/106:46:281
30858993423,7cyclictest9112-21tail06:38:031
3085899333,25cyclictest0-21swapper/107:43:531
30858993321,7cyclictest18245-21ethtool07:02:571
30858993321,7cyclictest18245-21ethtool07:02:571
3085899324,24cyclictest0-21swapper/106:56:381
3085899323,25cyclictest0-21swapper/106:58:131
3085899323,24cyclictest0-21swapper/107:12:521
30858993222,6cyclictest6210-21fschecks_count07:57:531
212532313,6sleep10-21swapper/107:12:041
3085899293,22cyclictest0-21swapper/107:56:311
30858992916,8cyclictest2268-21aten_rbpower_en07:47:491
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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