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2026-07-21 - 07:39
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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 Tue Jul 21, 2026 00:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7024997512,56cyclictest0-21swapper/221:12:402
702499745,62cyclictest0-21swapper/222:13:442
702499743,33cyclictest27204-21ssh23:39:512
702499735,62cyclictest0-21swapper/222:44:112
702499735,61cyclictest0-21swapper/223:26:102
702499735,61cyclictest0-21swapper/222:59:102
702499734,62cyclictest0-21swapper/221:43:102
702499734,62cyclictest0-21swapper/220:50:392
703199728,58cyclictest5591-21idleruntime-cro23:11:263
702499725,60cyclictest0-21swapper/223:42:252
702499725,60cyclictest0-21swapper/223:42:252
702499725,60cyclictest0-21swapper/222:49:192
702499725,60cyclictest0-21swapper/221:57:022
702499724,61cyclictest0-21swapper/220:58:452
702499724,61cyclictest0-21swapper/220:58:452
702499724,61cyclictest0-21swapper/220:37:192
702499724,61cyclictest0-21swapper/200:02:482
702499724,60cyclictest0-21swapper/222:26:342
702499723,27cyclictest0-21swapper/222:17:282
702499715,7cyclictest0-21swapper/221:27:242
702499715,59cyclictest0-21swapper/223:51:362
702499715,59cyclictest0-21swapper/223:03:372
702499715,59cyclictest0-21swapper/221:08:502
702499714,60cyclictest0-21swapper/223:57:472
702499714,60cyclictest0-21swapper/222:07:432
702499714,60cyclictest0-21swapper/221:49:592
702499714,60cyclictest0-21swapper/221:49:592
702499714,60cyclictest0-21swapper/221:39:302
702499714,60cyclictest0-21swapper/221:25:482
7024997116,6cyclictest19926-21diskmemload21:03:442
7024997112,7cyclictest23716-21sshd22:51:422
7024997111,53cyclictest0-21swapper/223:48:572
702499705,59cyclictest0-21swapper/222:02:082
702499704,60cyclictest0-21swapper/221:19:312
702499704,59cyclictest0-21swapper/223:28:132
702499704,59cyclictest0-21swapper/222:35:202
702499704,59cyclictest0-21swapper/222:35:202
702499704,59cyclictest0-21swapper/221:53:032
702499704,59cyclictest0-21swapper/220:55:522
702499704,59cyclictest0-21swapper/220:42:192
702499703,60cyclictest4050-21ssh22:25:322
7031996915,48cyclictest3210-21ssh22:23:423
702499694,30cyclictest0-21swapper/223:32:112
7031996810,52cyclictest0-21swapper/300:02:473
702499685,57cyclictest0-21swapper/223:14:442
702499684,58cyclictest0-21swapper/221:31:412
702499674,57cyclictest0-21swapper/223:18:432
7024996610,5cyclictest0-21swapper/222:38:542
7031996416,43cyclictest31424-21cut20:51:403
702499644,27cyclictest0-21swapper/223:06:562
703199639,47cyclictest30887-21ssh22:16:573
7031996315,42cyclictest14516-21/usr/sbin/munin20:21:573
7031996314,43cyclictest22578-21/usr/sbin/munin19:16:573
7031996313,44cyclictest16499-21ssh23:25:523
643926312,18sleep30-21swapper/318:32:323
7031996219,38cyclictest643-21runrttasks21:53:173
7031996215,41cyclictest9492-21/usr/sbin/munin18:41:553
7031996214,42cyclictest15100-21/usr/sbin/munin18:56:433
703199607,47cyclictest0-21swapper/322:12:303
7031996017,37cyclictest549-21NetworkManager21:21:283
7031996017,37cyclictest16384-21/usr/sbin/munin20:26:503
7031996015,39cyclictest629-21snmpd23:44:223
7031996015,39cyclictest629-21snmpd23:44:223
7031996014,40cyclictest3290-21/usr/sbin/munin19:51:543
7031996014,40cyclictest3290-21/usr/sbin/munin19:51:543
7031996014,40cyclictest24538-21timerandwakeup22:51:563
7031996014,39cyclictest8908-21/usr/sbin/munin20:06:443
7031996013,41cyclictest8141-21ssh21:02:433
7031996013,40cyclictest25374-21/usr/sbin/munin23:36:503
703199598,45cyclictest2611-21sshd21:39:433
7031995917,36cyclictest20704-21/usr/sbin/munin19:12:033
7031995915,39cyclictest5582-21ntp_offset22:26:523
7031995914,39cyclictest18839-21/usr/sbin/munin19:06:483
7031995913,40cyclictest12988-21ssh23:21:193
7031995912,41cyclictest19115-21cut22:01:463
7031995817,35cyclictest4051-21/usr/sbin/munin23:51:483
7031995816,36cyclictest30070-21/usr/sbin/munin19:36:573
7031995815,37cyclictest21947-21ssh22:48:553
7031995814,39cyclictest24627-21ssh20:41:483
7031995813,40cyclictest19199-21ssh23:28:363
7031995812,40cyclictest31363-21ssh21:34:513
7031995812,40cyclictest22520-21ssh20:38:543
703199573,50cyclictest0-21swapper/321:11:413
7031995718,33cyclictest13232-21/usr/sbin/munin18:51:593
7031995716,36cyclictest0-21swapper/320:57:423
7031995716,36cyclictest0-21swapper/320:57:423
7031995715,36cyclictest10743-21ssh21:51:153
7031995715,36cyclictest10743-21ssh21:51:153
7031995714,38cyclictest1421-21/usr/sbin/munin19:47:033
7031995714,37cyclictest10777-21/usr/sbin/munin20:11:553
7031995713,39cyclictest7168-21unixbench_multi23:11:583
7031995713,39cyclictest17980-21ssh22:00:513
7031995713,38cyclictest0-21swapper/322:45:113
7031995712,40cyclictest29266-21ssh22:58:393
7031995712,39cyclictest32582-21ssh23:46:463
7031995712,39cyclictest31939-21/usr/sbin/munin19:41:513
7031995712,39cyclictest29857-21munin-run19:36:313
7031995711,40cyclictest24445-21/usr/sbin/munin19:21:573
7012995724,27cyclictest27365-21sed22:12:000
703199569,41cyclictest0-21swapper/321:44:563
7031995616,35cyclictest7622-21/usr/sbin/munin18:37:003
7031995616,34cyclictest26315-21/usr/sbin/munin19:26:493
7031995615,36cyclictest22409-21timerandwakeup21:21:593
7031995614,37cyclictest10422-21ssh22:33:083
7031995614,37cyclictest10422-21ssh22:33:083
7031995614,36cyclictest13225-21smart_sda22:36:543
7031995613,37cyclictest7949-21sh23:56:523
701299562,48cyclictest7712-21hostname18:36:430
703199559,40cyclictest0-21swapper/321:26:363
7031995513,37cyclictest32676-21ssh23:02:583
7031995512,37cyclictest5160-21/usr/sbin/munin19:56:513
7031995512,37cyclictest5160-21/usr/sbin/munin19:56:513
7031995512,37cyclictest12647-21/usr/sbin/munin20:16:433
7031995510,39cyclictest0-21swapper/322:10:063
701799557,42cyclictest0-21swapper/120:46:201
7031995415,34cyclictest10176-21hostname21:06:413
7031995415,33cyclictest22594-21ssh23:32:543
7031995415,33cyclictest11361-21/usr/sbin/munin18:46:583
7031995414,35cyclictest7039-21/usr/sbin/munin20:01:593
7031995412,37cyclictest18703-21idleruntime20:31:463
7031995410,39cyclictest0-21swapper/320:49:033
7012995418,29cyclictest549-21NetworkManager22:27:270
7012995417,30cyclictest18601-21sort21:16:580
7031995312,36cyclictest17141-21diskstats19:01:453
7012995318,28cyclictest584-21gdbus00:06:250
7012995317,6cyclictest643-21runrttasks21:12:010
7012995315,8cyclictest7932-21mii-tool21:46:450
7012995315,8cyclictest7932-21mii-tool21:46:450
7012995218,6cyclictest31933-21/usr/sbin/munin23:46:490
7012995218,28cyclictest3660-21cut23:51:410
7012995123,23cyclictest6475-21grep21:01:410
7012995118,5cyclictest12215-21/usr/sbin/munin22:36:460
7012995118,27cyclictest3691-21/usr/sbin/munin21:41:420
7012995115,7cyclictest10820-21seq18:42:450
701799504,40cyclictest0-21swapper/122:10:551
701299506,10cyclictest0-21swapper/022:41:400
701299502,21cyclictest17256-21gzip20:26:550
7012995019,26cyclictest28388-21missed_timers20:46:510
7012995015,8cyclictest25792-21sshd22:54:100
7012995014,7cyclictest31774-21rt-features23:01:520
7012995012,6cyclictest2534-21fschecks_time23:06:400
701799494,39cyclictest0-21swapper/123:52:331
701799494,39cyclictest0-21swapper/123:04:291
701799494,39cyclictest0-21swapper/122:47:281
701299499,7cyclictest0-21swapper/021:56:450
701299495,36cyclictest0-21swapper/021:51:550
701299495,10cyclictest0-21swapper/022:56:490
701299494,19cyclictest0-21swapper/023:59:320
701299494,18cyclictest0-21swapper/019:06:500
701299493,19cyclictest0-21swapper/023:15:160
7012994916,7cyclictest15265-21df_inode18:56:440
7012994916,6cyclictest24359-21fschecks_time20:41:450
7012994916,6cyclictest10800-21memory21:06:500
7012994915,7cyclictest17656-21uname19:01:530
7012994915,6cyclictest3774-21switchtime20:56:580
7012994915,6cyclictest3774-21switchtime20:56:580
7012994914,7cyclictest21030-21fschecks_count23:31:390
7012994913,5cyclictest0-21swapper/022:16:510
701299488,11cyclictest0-21swapper/020:16:560
701299484,38cyclictest0-21swapper/022:04:110
701299484,18cyclictest0-21swapper/021:26:480
701299484,16cyclictest0-21swapper/023:25:270
701299483,38cyclictest0-21swapper/021:31:470
701299483,18cyclictest0-21swapper/023:27:150
701299483,15cyclictest31636-21crond23:46:260
701299483,15cyclictest31636-21crond23:46:260
7012994816,7cyclictest31070-21awk19:36:590
7012994816,6cyclictest23932-21seq19:17:580
7012994815,5cyclictest11570-21sh23:18:120
7012994814,6cyclictest26206-21cat19:26:320
7012994813,6cyclictest13923-21tr18:51:550
7012994813,5cyclictest0-21swapper/020:36:560
7012994812,5cyclictest0-21swapper/022:23:130
7012994811,5cyclictest0-21swapper/022:06:400
7012994810,9cyclictest0-21swapper/021:21:430
701799478,33cyclictest0-21swapper/121:11:301
701799474,8cyclictest0-21swapper/122:02:201
701799474,37cyclictest0-21swapper/123:59:401
7017994732,11cyclictest0-21swapper/120:38:421
7012994721,21cyclictest25633-21timerandwakeup23:36:560
7012994720,22cyclictest564-21dbus-daemon21:36:290
701299472,18cyclictest32513-21sort20:51:580
7012994715,6cyclictest19621-21sh22:46:320
701799468,32cyclictest0-21swapper/122:55:441
701799464,37cyclictest0-21swapper/122:27:101
701799464,36cyclictest0-21swapper/120:47:131
701799464,35cyclictest0-21swapper/121:46:441
701799464,35cyclictest0-21swapper/121:46:441
7017994636,5cyclictest21-21ksoftirqd/120:21:291
701799463,7cyclictest0-21swapper/122:31:591
701799463,7cyclictest0-21swapper/122:31:591
701799463,38cyclictest0-21swapper/123:50:591
7017994610,5cyclictest0-21swapper/121:58:221
701299464,15cyclictest0-21swapper/020:24:160
7012994618,7cyclictest10163-21uptime20:07:000
7012994614,5cyclictest9562sleep019:43:390
7012994611,7cyclictest9650-21timerandwakeup22:31:570
7012994611,7cyclictest9650-21timerandwakeup22:31:570
701799458,7cyclictest0-21swapper/121:55:071
701799455,35cyclictest0-21swapper/121:41:501
701799454,36cyclictest0-21swapper/123:40:311
701799454,36cyclictest0-21swapper/123:31:551
701799454,35cyclictest0-21swapper/121:17:131
701799454,35cyclictest0-21swapper/120:52:281
701799454,16cyclictest0-21swapper/123:43:021
701799454,16cyclictest0-21swapper/123:43:021
7017994532,9cyclictest0-21swapper/123:20:081
7017994514,26cyclictest17137-21basename23:26:361
701299454,35cyclictest0-21swapper/020:06:300
7012994517,5cyclictest18523-21fschecks_count20:31:450
7012994514,6cyclictest21096-21kworker/u8:219:36:310
7012994511,29cyclictest0-21swapper/018:50:470
292632453,8sleep10-21swapper/122:16:091
16332454,8sleep10-21swapper/121:37:331
701799449,8cyclictest0-21swapper/123:00:301
701799445,33cyclictest0-21swapper/122:17:191
701799445,33cyclictest0-21swapper/121:09:551
701799444,35cyclictest0-21swapper/122:26:191
701799444,35cyclictest0-21swapper/121:33:011
701799444,35cyclictest0-21swapper/120:59:031
701799444,35cyclictest0-21swapper/120:59:031
701799444,34cyclictest0-21swapper/121:24:251
701299446,9cyclictest0-21swapper/019:26:450
701299445,10cyclictest21878-21unixbench_multi19:12:030
7012994414,5cyclictest643-21runrttasks20:14:290
7012994412,7cyclictest2018-21latency19:46:490
7012994412,5cyclictest0-21swapper/019:56:540
7012994412,5cyclictest0-21swapper/019:56:540
701799437,5cyclictest0-21swapper/123:22:051
701799434,33cyclictest0-21swapper/123:13:521
701799433,35cyclictest0-21swapper/121:28:391
7012994314,6cyclictest3504-21fschecks_count19:51:450
7012994314,6cyclictest3504-21fschecks_count19:51:450
65722437,13sleep10-21swapper/118:34:031
701799425,32cyclictest0-21swapper/122:38:311
701799423,17cyclictest0-21swapper/121:03:311
146172423,8sleep10-21swapper/118:53:261
278932413,8sleep10-21swapper/119:30:281
701799404,31cyclictest0-21swapper/122:45:491
297282393,8sleep10-21swapper/119:35:031
7024993724,7cyclictest370-21systemd-journal19:03:392
204162373,7sleep10-21swapper/119:10:441
702499364,26cyclictest0-21swapper/219:54:402
702499364,26cyclictest0-21swapper/219:54:402
7017993625,6cyclictest14109-21latency_hist00:06:251
108502364,8sleep10-21swapper/118:43:041
702499354,26cyclictest0-21swapper/219:56:402
702499354,26cyclictest0-21swapper/219:56:402
7024993514,6cyclictest182322sed20:31:302
7017993522,8cyclictest10097-21grep20:07:001
56332358,19sleep20-21swapper/218:31:502
702499344,25cyclictest0-21swapper/219:45:452
702499343,27cyclictest0-21swapper/219:47:452
7024993422,7cyclictest15700-21tail20:22:022
701799344,25cyclictest0-21swapper/120:21:491
648423411,17sleep00-21swapper/018:33:010
44082343,5sleep10-21swapper/123:08:531
702499333,25cyclictest0-21swapper/218:57:382
702499333,25cyclictest0-21swapper/218:37:412
7024993315,14cyclictest10225-21grep18:41:552
701799334,24cyclictest0-21swapper/120:27:241
7017993323,6cyclictest10801-21wget20:11:401
7024993221,7cyclictest23100-21grep19:16:512
7024993214,13cyclictest12613-21sed18:47:032
701799324,24cyclictest0-21swapper/118:39:471
7017993221,7cyclictest25384-21ls19:21:581
7017993221,7cyclictest12227-21awk18:46:571
702499314,21cyclictest0-21swapper/220:16:462
702499313,23cyclictest0-21swapper/219:34:452
7024993119,7cyclictest21785-21sort19:12:012
701799314,23cyclictest0-21swapper/120:31:341
701799314,22cyclictest0-21swapper/119:17:011
7017993119,7cyclictest643-21runrttasks19:12:041
702499304,22cyclictest0-21swapper/219:29:102
702499304,21cyclictest0-21swapper/219:37:102
702499304,21cyclictest0-21swapper/218:51:412
702499304,20cyclictest0-21swapper/219:10:172
7024993017,7cyclictest11379-21load20:11:492
701799304,21cyclictest0-21swapper/119:56:531
701799304,21cyclictest0-21swapper/119:56:531
7017993020,6cyclictest396-21smart_sda19:41:591
7017993018,7cyclictest7974-21grep20:01:591
702499294,21cyclictest0-21swapper/220:04:422
702499294,19cyclictest0-21swapper/219:22:252
7024992917,7cyclictest18880-21missed_timers20:31:502
701799294,21cyclictest0-21swapper/119:51:431
701799294,21cyclictest0-21swapper/119:51:431
701799294,20cyclictest0-21swapper/119:01:481
7017992916,8cyclictest31486-21sshd19:38:451
7024992816,7cyclictest543-21systemd-logind20:06:312
7017992818,6cyclictest15968-21rt-features18:56:571
7017992816,7cyclictest2158-21ntp_kernel_pll_19:46:521
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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