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2026-08-18 - 15:05
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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 Aug 18, 2026 12:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1496599677,34cyclictest1749-21sshd08:28:230
14965996615,44cyclictest31067-21expr07:01:320
14965996419,39cyclictest27210-21cpu09:46:220
14965996419,38cyclictest5643-21/usr/sbin/munin11:26:340
14965996316,41cyclictest26224-21/usr/sbin/munin08:16:450
14965996218,8cyclictest21875-21/usr/sbin/munin08:56:360
14965996218,11cyclictest25860-21/usr/sbin/munin11:11:200
14965996115,40cyclictest16318-21awk09:31:270
14965996017,37cyclictest23504-21diskstats09:41:240
14965996017,37cyclictest12301-21sshd11:36:190
14965996016,37cyclictest9376-21/usr/sbin/munin07:31:280
14965996014,40cyclictest28656-21/usr/sbin/munin06:56:290
1496599594,49cyclictest20715-21ssh08:54:150
14965995918,35cyclictest1220-21sh09:11:280
14965995917,36cyclictest10254-21ssh10:06:280
14965995915,38cyclictest20596-21/usr/sbin/munin08:01:260
14965995915,38cyclictest14455-21/usr/sbin/munin08:46:430
14965995915,13cyclictest22466-21/usr/sbin/munin08:06:430
14965995914,39cyclictest23364-21chrt10:23:580
14965995914,39cyclictest23000-21/usr/sbin/munin11:06:320
14965995914,39cyclictest23000-21/usr/sbin/munin11:06:320
14965995914,39cyclictest2015-21sort11:21:360
14965995912,42cyclictest17290-21ssh10:59:200
14965995817,9cyclictest25185-21/usr/sbin/munin10:26:250
14965995817,35cyclictest25570-21/usr/sbin/munin09:01:340
14965995817,35cyclictest14184-21sshd09:28:220
14965995817,35cyclictest14184-21sshd09:28:220
14965995816,36cyclictest30045-21/usr/sbin/munin09:06:330
14965995816,36cyclictest0-21swapper/009:37:290
14965995815,37cyclictest4280-21ntpdc10:41:310
14965995815,37cyclictest30105-21if_eth211:16:240
14965995814,38cyclictest17109-21unixbench-2d11:41:370
14965995813,39cyclictest17441-21/usr/sbin/munin06:26:380
14965995813,39cyclictest0-21swapper/010:03:190
14965995811,42cyclictest20007-21hwlatdetect11:46:220
1496999575,46cyclictest0-21swapper/108:24:241
14965995716,36cyclictest24839-21irqstats08:11:290
14965995716,36cyclictest13542-21wget10:11:210
14965995716,36cyclictest13542-21wget10:11:210
14965995716,35cyclictest28334-21df08:21:230
14965995715,36cyclictest0-21swapper/010:31:450
14965995715,36cyclictest0-21swapper/009:58:260
14965995714,37cyclictest0-21swapper/011:05:240
14965995714,37cyclictest0-21swapper/009:54:110
14965995713,38cyclictest10218-21ssh10:50:120
14965995710,42cyclictest11835-21ps10:51:320
130702579,17sleep30-21swapper/306:16:173
1497499564,46cyclictest0-21swapper/208:42:532
1497499564,46cyclictest0-21swapper/208:42:532
14965995618,32cyclictest1358-21ssh10:37:100
14965995617,34cyclictest1879-21/usr/sbin/munin07:11:240
14965995617,33cyclictest13288-21diskstats07:41:250
14965995617,13cyclictest19310-21/usr/sbin/munin06:31:250
14965995614,37cyclictest0-21swapper/011:32:130
14965995612,39cyclictest7503-21/usr/sbin/munin07:26:400
14965995612,39cyclictest0-21swapper/008:32:290
14965995611,39cyclictest0-21swapper/010:18:120
1496999554,45cyclictest0-21swapper/109:25:281
1496599559,40cyclictest5278-21awk09:16:330
14965995516,33cyclictest11249-21/usr/sbin/munin07:36:250
14965995516,33cyclictest11249-21/usr/sbin/munin07:36:250
14965995513,37cyclictest12042-21tail08:41:420
14965995513,37cyclictest12042-21tail08:41:420
14965995512,37cyclictest9080-21ssh09:21:340
14965995511,38cyclictest0-21swapper/008:36:560
1496999533,7cyclictest7660-21ssh11:30:091
14965995310,38cyclictest0-21swapper/007:25:240
1497499524,42cyclictest0-21swapper/211:44:392
1497499524,42cyclictest0-21swapper/210:12:512
1497499524,42cyclictest0-21swapper/210:12:512
1497499524,40cyclictest0-21swapper/209:32:422
14965995214,33cyclictest643-21runrttasks08:00:480
1497499515,39cyclictest0-21swapper/210:06:392
1497499514,41cyclictest0-21swapper/209:02:322
1497499514,41cyclictest0-21swapper/207:16:142
1497499514,40cyclictest0-21swapper/209:29:122
1497499514,40cyclictest0-21swapper/209:29:122
1497499513,42cyclictest0-21swapper/210:41:102
1497499513,41cyclictest573-21irqbalance09:45:322
1497499512,4cyclictest9640-21ssh08:39:232
1496999514,39cyclictest0-21swapper/111:31:351
1496999513,42cyclictest0-21swapper/109:20:221
1498099503,6cyclictest0-21swapper/310:01:313
1498099503,41cyclictest0-21swapper/311:06:103
1498099503,41cyclictest0-21swapper/311:06:103
1498099502,42cyclictest15965-21fschecks_time06:21:293
1497499509,11cyclictest0-21swapper/211:07:512
1497499509,11cyclictest0-21swapper/211:07:512
1497499508,37cyclictest0-21swapper/209:07:472
1497499506,38cyclictest0-21swapper/210:16:512
1497499504,40cyclictest0-21swapper/208:22:442
1497499504,40cyclictest0-21swapper/206:46:292
1497499504,39cyclictest0-21swapper/209:52:022
1497499504,39cyclictest0-21swapper/207:16:262
1497499504,39cyclictest0-21swapper/206:51:392
1497499503,9cyclictest0-21swapper/209:38:222
1497499503,41cyclictest27188-21cut09:46:222
1497499503,41cyclictest0-21swapper/211:03:302
14974995010,35cyclictest15942-21unixbench-2d10:56:392
14974995010,34cyclictest0-21swapper/207:21:292
1496999504,40cyclictest0-21swapper/111:45:091
1496999504,39cyclictest0-21swapper/110:09:411
1496599503,40cyclictest0-21swapper/007:51:120
14965995014,30cyclictest27397-21memory06:51:330
1498099494,40cyclictest0-21swapper/306:27:263
1498099494,39cyclictest0-21swapper/311:05:503
1498099494,38cyclictest0-21swapper/310:36:233
1497499494,40cyclictest0-21swapper/210:40:102
1497499494,39cyclictest0-21swapper/211:46:102
1497499494,39cyclictest0-21swapper/210:26:322
1497499494,39cyclictest0-21swapper/208:56:082
1497499494,38cyclictest0-21swapper/208:32:392
1497499493,9cyclictest0-21swapper/211:18:102
1497499493,40cyclictest0-21swapper/209:11:552
1497499493,40cyclictest0-21swapper/206:36:132
1497499492,40cyclictest11191-21ssh09:25:022
14974994911,32cyclictest0-21swapper/211:38:512
14974994910,33cyclictest0-21swapper/210:48:282
1496999498,9cyclictest0-21swapper/108:40:201
1498099489,34cyclictest0-21swapper/309:23:453
1498099485,37cyclictest0-21swapper/308:34:443
1498099484,38cyclictest0-21swapper/308:23:523
1498099483,40cyclictest0-21swapper/310:45:503
1498099483,40cyclictest0-21swapper/308:29:233
1497499488,34cyclictest0-21swapper/211:28:152
1497499488,34cyclictest0-21swapper/210:32:282
1497499487,35cyclictest0-21swapper/208:28:122
1497499484,38cyclictest0-21swapper/211:21:292
1497499484,37cyclictest0-21swapper/210:55:222
1497499484,37cyclictest0-21swapper/209:18:432
1497499483,40cyclictest0-21swapper/211:16:002
1497499483,40cyclictest0-21swapper/210:01:212
1497499483,39cyclictest0-21swapper/207:06:362
14974994812,30cyclictest0-21swapper/210:21:312
14974994810,5cyclictest0-21swapper/208:49:042
1496999483,40cyclictest0-21swapper/110:55:501
1496999483,39cyclictest0-21swapper/110:11:301
1496999483,39cyclictest0-21swapper/110:11:301
1496999482,40cyclictest5394-21ssh10:42:501
1496599489,7cyclictest24700-21latency_hist06:46:140
1496599487,35cyclictest0-21swapper/006:22:080
1498099474,37cyclictest0-21swapper/311:41:103
1498099474,37cyclictest0-21swapper/311:39:543
1498099474,37cyclictest0-21swapper/311:13:463
1498099474,37cyclictest0-21swapper/310:29:293
1498099474,37cyclictest0-21swapper/310:12:563
1498099474,37cyclictest0-21swapper/310:12:563
1498099474,37cyclictest0-21swapper/309:58:103
1498099474,37cyclictest0-21swapper/309:18:403
1498099474,37cyclictest0-21swapper/308:49:173
1498099474,18cyclictest0-21swapper/309:39:093
1497499476,7cyclictest0-21swapper/209:58:202
1497499475,35cyclictest0-21swapper/211:32:242
1497499474,37cyclictest0-21swapper/209:00:052
1497499473,39cyclictest0-21swapper/206:38:252
1497499473,38cyclictest0-21swapper/206:41:282
1496999479,32cyclictest0-21swapper/109:45:131
1496999474,37cyclictest0-21swapper/110:33:381
1496999474,37cyclictest0-21swapper/110:23:481
1496999474,37cyclictest0-21swapper/109:32:521
1496999474,37cyclictest0-21swapper/108:59:171
1496999474,37cyclictest0-21swapper/108:50:131
1496999473,39cyclictest0-21swapper/107:21:551
14969994711,5cyclictest0-21swapper/109:50:451
1498099464,36cyclictest0-21swapper/311:49:343
1498099464,36cyclictest0-21swapper/311:22:113
1498099464,36cyclictest0-21swapper/310:58:153
1498099464,36cyclictest0-21swapper/310:54:433
1498099464,36cyclictest0-21swapper/310:22:023
1498099464,36cyclictest0-21swapper/310:16:373
1498099464,36cyclictest0-21swapper/309:15:053
1496999465,17cyclictest0-21swapper/108:42:171
1496999465,17cyclictest0-21swapper/108:42:171
1496999464,37cyclictest0-21swapper/111:19:341
1496999464,36cyclictest0-21swapper/111:15:461
1496999464,35cyclictest0-21swapper/109:11:431
1496599465,35cyclictest0-21swapper/006:51:130
1498099455,34cyclictest0-21swapper/309:54:273
1498099454,36cyclictest0-21swapper/310:47:193
1498099454,16cyclictest0-21swapper/308:39:253
1498099453,19cyclictest0-21swapper/309:43:053
1497499453,37cyclictest0-21swapper/207:52:582
1497499453,36cyclictest0-21swapper/207:46:202
1497499453,35cyclictest0-21swapper/206:30:412
1496999455,34cyclictest0-21swapper/109:09:041
1496999455,33cyclictest0-21swapper/110:36:431
1496999454,36cyclictest0-21swapper/108:31:451
1496999454,36cyclictest0-21swapper/108:27:541
1496999454,35cyclictest0-21swapper/111:07:011
1496999454,35cyclictest0-21swapper/111:07:011
1496999453,38cyclictest0-21swapper/109:36:431
1496999453,11cyclictest0-21swapper/107:56:401
1496999452,7cyclictest19200-21switchtime08:51:391
1496599455,10cyclictest0-21swapper/007:56:120
153882443,6sleep30-21swapper/309:30:583
153882443,6sleep30-21swapper/309:30:583
1498099445,7cyclictest0-21swapper/309:03:553
1498099445,33cyclictest0-21swapper/310:35:363
1498099445,33cyclictest0-21swapper/309:07:343
1498099444,36cyclictest0-21swapper/306:36:423
1497499444,35cyclictest0-21swapper/207:56:322
1497499444,34cyclictest0-21swapper/207:42:252
1497499443,35cyclictest0-21swapper/208:21:122
1496999445,7cyclictest0-21swapper/109:30:121
1496999445,7cyclictest0-21swapper/109:30:121
1496999444,8cyclictest0-21swapper/111:39:101
1496599445,7cyclictest0-21swapper/007:21:140
1498099435,7cyclictest0-21swapper/308:52:363
1498099435,32cyclictest0-21swapper/308:41:573
1498099435,32cyclictest0-21swapper/308:41:573
1498099434,9cyclictest0-21swapper/306:34:363
1498099434,33cyclictest0-21swapper/311:32:573
14969994328,11cyclictest21-21ksoftirqd/111:01:081
1498099424,33cyclictest0-21swapper/307:11:373
1497499423,34cyclictest0-21swapper/207:03:092
1496999423,34cyclictest13878-21sh07:41:361
1496999423,33cyclictest28656-21/usr/sbin/munin06:56:361
1496999422,8cyclictest32724-21ssh09:52:411
1496599424,33cyclictest0-21swapper/007:10:150
199862413,6sleep10-21swapper/110:19:461
1497499413,5cyclictest0-21swapper/206:26:142
1496999413,34cyclictest0-21swapper/107:51:451
127112403,7sleep20-21swapper/207:39:052
127112403,7sleep20-21swapper/207:39:052
1498099393,31cyclictest0-21swapper/307:44:533
1496999394,30cyclictest0-21swapper/110:46:101
301322383,7sleep20-21swapper/206:59:132
286102383,6sleep30-21swapper/309:46:593
14980993826,7cyclictest30211-21sshd07:00:093
14980993825,8cyclictest30636-21wc11:16:353
14974993828,5cyclictest29-21ksoftirqd/207:36:132
14969993818,15cyclictest3463-21sed09:56:391
1446423814,18sleep20-21swapper/206:18:052
318772373,6sleep10-21swapper/107:02:421
23792373,4sleep10-21swapper/107:11:321
1498099373,7cyclictest0-21swapper/306:55:183
1497499373,29cyclictest0-21swapper/208:01:222
1496999373,29cyclictest0-21swapper/107:06:431
14965993718,13cyclictest370-21systemd-journal06:37:250
14980993624,7cyclictest16638-21crond07:51:113
14969993624,7cyclictest19310-21/usr/sbin/munin06:31:431
14969993622,8cyclictest27481-21cut06:51:351
1443223612,18sleep10-21swapper/106:17:441
1498099354,26cyclictest0-21swapper/311:26:543
1498099354,26cyclictest0-21swapper/309:33:263
1497499353,26cyclictest0-21swapper/208:11:322
1496999354,25cyclictest0-21swapper/111:04:341
1496999353,10cyclictest0-21swapper/107:48:041
14969993523,7cyclictest225522sleep106:37:551
1437923511,17sleep00-21swapper/006:17:030
170172343,6sleep10-21swapper/106:23:511
1498099343,26cyclictest0-21swapper/308:06:243
1498099343,26cyclictest0-21swapper/306:41:353
14980993421,8cyclictest4508-21ntpdc07:16:353
14980993416,14cyclictest24318-21ksmtuned08:59:013
1496999344,24cyclictest0-21swapper/111:50:421
1498099334,25cyclictest0-21swapper/307:40:153
1498099334,25cyclictest0-21swapper/307:40:153
1498099333,26cyclictest0-21swapper/307:34:233
14980993320,8cyclictest6813-21grep07:21:443
1496999334,25cyclictest0-21swapper/111:23:471
221942323,6sleep30-21swapper/308:05:383
1498099323,24cyclictest0-21swapper/310:06:393
1498099323,24cyclictest0-21swapper/306:46:223
14980993220,7cyclictest17890-21wc07:51:413
1497499323,24cyclictest0-21swapper/208:09:072
14974993215,12cyclictest7983-21interrupts07:26:282
1496999324,22cyclictest0-21swapper/110:01:121
14969993222,7cyclictest26271-21missed_timers09:01:291
14969993213,14cyclictest12431-21unixbench_multi07:36:451
14969993213,14cyclictest12431-21unixbench_multi07:36:451
14980993117,8cyclictest19427-21netstat07:56:343
14969993121,6cyclictest8632-21unixbench-2d07:26:421
14969993120,7cyclictest24269-21unixbench_singl06:41:461
14969993120,6cyclictest4246-21interrupts07:16:291
14969993119,7cyclictest25983-21unixbench_singl10:26:401
1498099304,21cyclictest0-21swapper/307:26:323
1498099303,23cyclictest0-21swapper/307:02:233
1498099303,22cyclictest0-21swapper/308:11:303
14969993019,6cyclictest643-21runrttasks06:26:211
1498099293,22cyclictest0-21swapper/307:06:533
14969992919,6cyclictest643-21runrttasks08:18:231
14969992919,6cyclictest643-21runrttasks06:49:001
1498099284,20cyclictest0-21swapper/308:16:253
14969992819,5cyclictest11027-21latency_hist07:36:131
14969992818,6cyclictest643-21runrttasks08:14:311
14969992818,6cyclictest23078-21missed_timers08:06:331
1496999273,20cyclictest0-21swapper/108:02:581
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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