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2026-04-11 - 19:43
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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 376 highest latencies:
System rackbslot4.osadl.org (updated Sat Apr 11, 2026 12:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
262999604,51cyclictest0-21swapper/306:05:453
2629996022,33cyclictest14869-21wc08:01:083
2629995723,28cyclictest2542-21grep08:30:543
2629995716,35cyclictest0-21swapper/310:25:543
2623995720,31cyclictest7113-21awk07:41:022
261899574,48cyclictest0-21swapper/109:15:511
2629995625,26cyclictest8270-21latency_hist11:30:363
261499564,25cyclictest0-21swapper/009:16:450
199925610,16sleep10-21swapper/106:01:131
261899553,47cyclictest0-21swapper/109:01:271
261499553,46cyclictest15857-21timerandwakeup09:31:070
209225512,36sleep00-21swapper/006:02:200
20442559,16sleep30-21swapper/306:01:433
2629995421,28cyclictest25805-21/usr/sbin/munin11:11:013
2629995421,27cyclictest548-21NetworkManager08:55:403
2629995418,29cyclictest22463-21cpu09:40:503
2623995417,6cyclictest15522-21diskmemload09:34:262
2623995412,7cyclictest29120-21ntpdc09:06:002
2623995412,7cyclictest29120-21ntpdc09:06:002
261899544,45cyclictest0-21swapper/108:59:121
261899542,46cyclictest16251-21ssh10:56:551
262999534,18cyclictest0-21swapper/310:41:593
2629995316,5cyclictest5904-21sh09:18:323
2629995315,7cyclictest9159-21cut10:05:503
262399533,23cyclictest0-21swapper/211:25:152
2623995325,23cyclictest286272chrt10:30:572
2623995322,25cyclictest22780-21tr11:05:582
2623995318,6cyclictest638-21runrttasks11:30:482
2623995313,6cyclictest11983-21/usr/sbin/munin09:26:052
261899533,46cyclictest0-21swapper/109:30:531
2618995312,36cyclictest25997-21latency_hist09:45:381
261499534,44cyclictest0-21swapper/008:00:550
261499532,45cyclictest5704-21processes11:26:000
261499531,30cyclictest8150irq/23-uhci_hcd10:32:470
2629995221,27cyclictest370-21ps07:24:363
2629995218,7cyclictest16083-21mcelog.cron10:56:353
2629995217,5cyclictest19963-21sh09:36:133
2629995216,5cyclictest4423-21sh11:25:263
262399524,15cyclictest0-21swapper/208:21:542
262399524,15cyclictest0-21swapper/208:21:542
2623995222,25cyclictest11124-21idleruntime10:50:512
2623995215,6cyclictest26840-21sh10:29:012
261899525,5cyclictest0-21swapper/108:16:491
261899524,43cyclictest0-21swapper/108:14:261
261499524,23cyclictest0-21swapper/008:07:160
2614995216,29cyclictest0-21swapper/010:15:560
262999514,19cyclictest0-21swapper/311:02:043
2629995120,27cyclictest17260-21aten_rbpower_vo08:50:513
2629995116,8cyclictest554-21dbus-daemon06:50:433
2629995116,7cyclictest6344-21cut07:40:413
2629995113,5cyclictest26186-21sh09:01:353
262399514,15cyclictest0-21swapper/208:12:072
2623995121,25cyclictest23793-21sh10:25:362
2623995119,26cyclictest31456-21forks07:20:532
2623995118,6cyclictest30347-21missed_timers11:15:582
2623995118,5cyclictest8203-21sh08:37:592
2623995117,7cyclictest32414-21fschecks_time09:10:542
2623995116,5cyclictest28936-21sh11:14:472
2623995114,8cyclictest548-21NetworkManager08:35:392
2623995114,7cyclictest23588-21cpu08:15:532
2618995113,32cyclictest0-21swapper/108:35:531
261499518,37cyclictest0-21swapper/009:26:410
261499513,18cyclictest3-21ksoftirqd/008:26:090
262999503,19cyclictest15843-21/usr/sbin/munin08:05:503
2629995020,25cyclictest26133-21/usr/sbin/munin09:46:033
2629995019,26cyclictest24091-21latency08:16:003
2629995016,8cyclictest29461-21wget07:15:543
2629995016,7cyclictest8857-21fschecks_count11:30:503
2629995015,5cyclictest8598-21sh10:46:493
2629995015,5cyclictest8598-21sh10:46:493
2629995012,7cyclictest22519-21load06:56:023
2629995012,33cyclictest8646-21latency_hist10:05:373
2629995010,8cyclictest30308-21tune2fs09:50:523
262399504,19cyclictest0-21swapper/210:16:492
262399504,16cyclictest0-21swapper/210:13:082
262399503,15cyclictest0-21swapper/208:40:542
2623995022,23cyclictest18598-21idleruntime06:46:002
2623995018,6cyclictest638-21runrttasks06:23:552
2623995018,5cyclictest18470-21unixbench_singl08:51:112
2623995017,7cyclictest638-21runrttasks11:29:222
2623995017,7cyclictest21328-21idleruntime08:55:552
2623995015,6cyclictest11722-21timerandwakeup06:26:102
261899504,8cyclictest0-21swapper/108:21:291
261899504,8cyclictest0-21swapper/108:21:291
261899504,41cyclictest0-21swapper/108:06:591
261499505,39cyclictest0-21swapper/010:24:130
261499505,39cyclictest0-21swapper/007:16:040
261499504,41cyclictest0-21swapper/009:56:270
261499504,40cyclictest0-21swapper/009:49:590
261499504,40cyclictest0-21swapper/009:24:420
261499504,40cyclictest0-21swapper/007:35:510
261499503,42cyclictest0-21swapper/011:16:150
262999498,9cyclictest0-21swapper/310:15:533
262999494,39cyclictest0-21swapper/308:49:103
262999494,17cyclictest0-21swapper/309:58:243
262999494,16cyclictest0-21swapper/310:52:423
262999494,16cyclictest0-21swapper/309:13:283
262999493,18cyclictest0-21swapper/310:10:463
2629994917,6cyclictest22514-21if_eth211:05:533
2629994917,5cyclictest12153-21df_inode07:55:533
2629994915,8cyclictest19770-21cpu08:10:523
2629994915,5cyclictest23022-21sh10:23:583
262399494,20cyclictest0-21swapper/209:19:082
262399494,19cyclictest0-21swapper/209:53:412
262399493,41cyclictest0-21swapper/210:07:102
262399493,19cyclictest0-21swapper/209:05:352
262399493,18cyclictest0-21swapper/209:47:192
2623994919,6cyclictest4934-21idleruntime07:35:572
2623994918,6cyclictest1617-21fschecks_count09:55:552
2623994917,6cyclictest17368-21timerwakeupswit06:41:112
2623994917,5cyclictest18115-21sh08:08:042
2623994916,8cyclictest543-21systemd-logind07:15:402
2623994916,8cyclictest14455-21cut10:55:462
2623994916,6cyclictest1526-21sh08:29:422
2623994916,5cyclictest20662-21sh11:03:192
2623994913,7cyclictest22664-21ntpq06:56:052
2623994913,7cyclictest13112-21ls06:31:012
261899494,39cyclictest0-21swapper/110:10:381
261899494,39cyclictest0-21swapper/110:07:061
261899493,40cyclictest0-21swapper/110:36:051
261899493,23cyclictest0-21swapper/111:11:131
261499495,38cyclictest0-21swapper/010:53:430
261499495,37cyclictest0-21swapper/011:05:530
261499494,40cyclictest0-21swapper/010:07:200
261499494,39cyclictest0-21swapper/010:39:030
261499494,39cyclictest0-21swapper/010:26:190
261499494,39cyclictest0-21swapper/009:39:480
261499494,39cyclictest0-21swapper/006:16:320
261499494,38cyclictest0-21swapper/009:54:040
261499494,38cyclictest0-21swapper/007:55:560
261499493,41cyclictest0-21swapper/008:19:020
262999488,8cyclictest0-21swapper/308:22:023
262999488,8cyclictest0-21swapper/308:22:023
262999485,37cyclictest0-21swapper/309:30:553
262999484,17cyclictest0-21swapper/309:22:533
262999484,16cyclictest0-21swapper/308:42:163
262999484,16cyclictest0-21swapper/306:45:573
262999482,21cyclictest9384-21sed07:46:123
262999482,18cyclictest2781-21latency_hist10:40:373
2629994819,24cyclictest6938-21rt-features08:36:053
2629994819,23cyclictest10892-21fschecks_count06:25:563
2629994818,7cyclictest28184-21fschecks_time10:30:513
2629994817,6cyclictest543-21systemd-logind07:45:403
2629994816,6cyclictest577-21ksmtuned09:26:413
2629994813,7cyclictest2920-21grep07:30:563
2629994811,7cyclictest30013-21cut11:15:523
262399484,19cyclictest0-21swapper/210:04:102
262399484,18cyclictest0-21swapper/210:40:062
262399484,17cyclictest0-21swapper/210:41:302
262399484,17cyclictest0-21swapper/208:49:452
2623994817,7cyclictest12863-21expr07:56:052
2623994816,6cyclictest3525-21sendmail_mailtr07:31:082
2623994815,7cyclictest843-21tr07:25:532
2623994814,7cyclictest21042-21timerandwakeup06:51:112
2623994813,6cyclictest0-21swapper/209:35:502
2623994812,13cyclictest5626-21latency06:11:012
261899486,15cyclictest0-21swapper/110:52:371
261899485,38cyclictest0-21swapper/108:41:271
261899485,37cyclictest0-21swapper/109:54:341
261899484,39cyclictest0-21swapper/109:26:591
261899484,38cyclictest0-21swapper/110:40:531
261899484,38cyclictest0-21swapper/110:03:141
261899483,41cyclictest0-21swapper/111:33:341
261899483,40cyclictest0-21swapper/111:23:451
2618994812,31cyclictest4855-21cut11:25:461
2618994812,31cyclictest0-21swapper/108:30:551
261499488,34cyclictest0-21swapper/009:41:320
261499485,37cyclictest0-21swapper/006:26:010
261499485,10cyclictest0-21swapper/007:21:030
261499484,38cyclictest0-21swapper/010:42:060
261499484,38cyclictest0-21swapper/010:12:560
261499484,38cyclictest0-21swapper/008:24:060
261499484,38cyclictest0-21swapper/008:24:060
261499484,38cyclictest0-21swapper/007:06:060
261499484,38cyclictest0-21swapper/007:06:060
261499484,38cyclictest0-21swapper/006:50:580
261499483,40cyclictest0-21swapper/007:11:000
2614994819,24cyclictest2399-21kworker/0:110:01:080
2614994811,5cyclictest0-21swapper/010:59:440
2614994811,31cyclictest0-21swapper/009:05:440
2614994811,31cyclictest0-21swapper/009:05:440
262999473,19cyclictest0-21swapper/308:26:203
2629994718,6cyclictest28150-21missed_timers07:11:023
2629994717,6cyclictest638-21runrttasks06:16:563
2629994717,5cyclictest6010-21swap06:11:093
2629994713,6cyclictest303732chrt09:07:383
2629994713,6cyclictest303732chrt09:07:383
262399479,31cyclictest0-21swapper/208:01:102
262399473,17cyclictest25841-21crond09:45:382
2623994712,6cyclictest0-21swapper/207:06:052
2623994712,6cyclictest0-21swapper/207:06:052
2623994711,8cyclictest6870-21taskset10:45:462
2623994711,8cyclictest6870-21taskset10:45:462
261899478,34cyclictest0-21swapper/109:07:081
261899478,34cyclictest0-21swapper/109:07:081
261899474,37cyclictest0-21swapper/111:07:161
261899474,37cyclictest0-21swapper/109:21:211
261899474,37cyclictest0-21swapper/109:12:331
261899474,37cyclictest0-21swapper/108:28:321
261899474,12cyclictest0-21swapper/111:01:041
2618994737,5cyclictest21-21ksoftirqd/107:15:401
261899473,40cyclictest0-21swapper/106:11:001
261899473,39cyclictest0-21swapper/110:48:561
261899473,39cyclictest0-21swapper/110:48:561
261899473,38cyclictest0-21swapper/110:30:501
261899473,38cyclictest0-21swapper/109:56:331
2618994712,30cyclictest0-21swapper/111:18:031
2618994711,30cyclictest0-21swapper/110:24:411
2618994711,30cyclictest0-21swapper/110:16:211
261499479,32cyclictest11-21rcuc/008:37:590
261499477,35cyclictest0-21swapper/006:35:420
261499475,37cyclictest0-21swapper/011:04:550
261499474,6cyclictest0-21swapper/007:51:080
261499474,38cyclictest0-21swapper/008:11:000
261499474,37cyclictest0-21swapper/011:24:190
261499474,37cyclictest0-21swapper/010:46:060
261499474,37cyclictest0-21swapper/010:46:060
261499474,37cyclictest0-21swapper/008:42:100
261499474,37cyclictest0-21swapper/008:33:470
261499474,37cyclictest0-21swapper/006:45:580
261499474,18cyclictest0-21swapper/009:13:340
2614994711,30cyclictest0-21swapper/007:00:560
2614994711,30cyclictest0-21swapper/007:00:560
2629994617,5cyclictest638-21runrttasks06:39:143
2629994616,6cyclictest638-21runrttasks07:30:163
2629994615,7cyclictest16375-21cut06:40:533
2629994615,5cyclictest11047-21switchtime07:51:073
262399464,18cyclictest0-21swapper/207:45:582
2623994616,6cyclictest10809-21netstat07:51:012
2623994616,5cyclictest7164-21sh09:20:482
2623994615,7cyclictest7155-21fschecks_count06:15:572
2623994611,8cyclictest554-21dbus-daemon07:05:402
2623994611,8cyclictest554-21dbus-daemon07:05:402
2623994611,8cyclictest30229-21processes07:16:072
261899464,38cyclictest0-21swapper/108:51:011
261899464,37cyclictest0-21swapper/108:46:151
261899464,37cyclictest0-21swapper/107:41:101
261899464,36cyclictest0-21swapper/110:28:001
261899464,18cyclictest0-21swapper/109:46:051
261899463,38cyclictest0-21swapper/109:36:131
261899463,37cyclictest0-21swapper/106:48:321
261899463,37cyclictest0-21swapper/106:35:421
261499468,32cyclictest0-21swapper/008:51:120
261499467,34cyclictest22222-21fschecks_time06:55:570
261499465,34cyclictest0-21swapper/008:55:520
261499464,9cyclictest0-21swapper/006:20:570
261499464,37cyclictest0-21swapper/007:26:040
261499464,37cyclictest0-21swapper/006:41:040
261499464,36cyclictest0-21swapper/011:31:110
261499464,36cyclictest0-21swapper/011:11:210
261499464,36cyclictest0-21swapper/009:01:010
261499464,36cyclictest0-21swapper/007:45:510
262999454,35cyclictest0-21swapper/306:20:573
2629994515,7cyclictest25844-21diskstats07:05:553
2629994515,7cyclictest25844-21diskstats07:05:553
2623994514,6cyclictest158862chrt06:38:232
261899455,34cyclictest0-21swapper/108:00:411
261899454,9cyclictest0-21swapper/106:40:421
261899454,35cyclictest0-21swapper/106:20:431
179402454,7sleep10-21swapper/106:45:351
262999444,13cyclictest0-21swapper/307:01:083
262999444,13cyclictest0-21swapper/307:01:083
262999442,15cyclictest12733-21df_inode06:30:553
261899444,34cyclictest0-21swapper/106:30:421
261499443,36cyclictest0-21swapper/007:30:440
261499443,36cyclictest0-21swapper/006:36:090
261499443,36cyclictest0-21swapper/006:10:580
261499443,35cyclictest6568-21fschecks_count07:40:550
261899434,8cyclictest0-21swapper/108:01:011
261899434,34cyclictest0-21swapper/107:50:411
261899434,34cyclictest0-21swapper/107:37:191
261899433,35cyclictest0-21swapper/107:35:111
261899433,35cyclictest0-21swapper/106:56:011
261899433,34cyclictest0-21swapper/107:26:271
261499432,36cyclictest4391-21unixbench_multi06:06:120
2623994213,8cyclictest3463-21fschecks_count06:05:562
261899424,8cyclictest0-21swapper/106:10:431
261899424,34cyclictest0-21swapper/107:51:071
261899424,34cyclictest0-21swapper/107:01:371
261899424,34cyclictest0-21swapper/107:01:371
261899424,34cyclictest0-21swapper/106:21:081
261899423,8cyclictest0-21swapper/107:06:311
261899423,8cyclictest0-21swapper/107:06:311
261899423,34cyclictest0-21swapper/107:16:471
261899404,31cyclictest0-21swapper/106:55:421
261899393,32cyclictest0-21swapper/107:21:361
202023916,17sleep20-21swapper/206:01:302
261499294,20cyclictest0-21swapper/008:45:470
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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