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2026-07-12 - 03:50
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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 Jul 12, 2026 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2627599722,65cyclictest30625-21tail00:01:471
2627599704,60cyclictest0-21swapper/121:21:511
2627599675,56cyclictest0-21swapper/121:31:411
2627599674,56cyclictest0-21swapper/121:56:471
2627599674,29cyclictest0-21swapper/123:06:451
2627599672,59cyclictest16985-21ntpq23:01:401
2627599665,55cyclictest0-21swapper/122:31:471
2627599663,57cyclictest26441-21/usr/sbin/munin23:56:411
2627599663,56cyclictest18980-21ntp_states22:21:411
2627599654,55cyclictest0-21swapper/120:56:581
2627599649,50cyclictest30762-21timerwakeupswit22:36:481
2627599649,50cyclictest30762-21timerwakeupswit22:36:481
2627599642,4cyclictest6788-21diskmemload22:41:421
2627599634,53cyclictest0-21swapper/122:56:421
2627599624,25cyclictest0-21swapper/121:46:481
2627599623,54cyclictest0-21swapper/123:51:471
2627599623,53cyclictest5617-21ntp_states22:46:411
2627599613,26cyclictest0-21swapper/121:16:431
2629399573,48cyclictest0-21swapper/322:04:203
2628499576,7cyclictest0-21swapper/223:53:082
2629399564,46cyclictest0-21swapper/321:33:013
2628499565,45cyclictest0-21swapper/220:48:422
2628499563,48cyclictest0-21swapper/222:00:412
2629399553,47cyclictest0-21swapper/320:51:103
2628499553,47cyclictest0-21swapper/222:59:092
2627199554,45cyclictest0-21swapper/021:31:310
2629399544,6cyclictest0-21swapper/322:16:003
2629399543,46cyclictest0-21swapper/321:56:303
2628499544,44cyclictest0-21swapper/221:24:252
2627599543,44cyclictest17438-21switchtime21:36:461
26275995424,25cyclictest17339-21cut19:41:341
2629399533,44cyclictest0-21swapper/322:29:393
2629399532,44cyclictest14222-21kworker/3:222:46:393
2628499534,6cyclictest0-21swapper/223:35:282
2628499534,43cyclictest0-21swapper/222:41:092
2628499534,43cyclictest0-21swapper/222:41:092
2629399523,44cyclictest0-21swapper/322:36:353
2629399523,44cyclictest0-21swapper/322:36:353
2629399523,43cyclictest0-21swapper/321:11:153
2629399523,43cyclictest0-21swapper/321:11:153
2628499524,43cyclictest0-21swapper/220:15:242
2628499524,43cyclictest0-21swapper/220:15:242
2628499523,45cyclictest0-21swapper/223:46:222
2628499523,44cyclictest0-21swapper/222:19:212
2628499522,44cyclictest27732-21runrttasks21:07:012
2628499522,44cyclictest27732-21runrttasks21:07:012
2627199525,40cyclictest0-21swapper/023:13:060
2627199523,44cyclictest0-21swapper/021:46:010
2629399514,41cyclictest0-21swapper/322:44:343
2629399512,18cyclictest20337-21perl23:06:323
2628499514,42cyclictest0-21swapper/222:41:292
2628499514,24cyclictest0-21swapper/200:02:032
2628499512,43cyclictest18294-21kworker/2:221:42:502
2627599513,42cyclictest18978-21/usr/sbin/munin19:46:331
2627599513,41cyclictest22850-21grep22:26:441
26275995120,26cyclictest29042-21find20:11:461
26275995120,26cyclictest29042-21find20:11:461
26275995114,32cyclictest28078-21cut21:51:321
26275995110,35cyclictest27753-21forks23:16:301
2627199515,7cyclictest0-21swapper/021:52:300
2627199514,42cyclictest0-21swapper/022:01:100
2627199512,5cyclictest19311-21ssh21:40:110
2629399506,39cyclictest0-21swapper/322:36:103
2629399505,39cyclictest0-21swapper/322:16:313
2629399504,41cyclictest0-21swapper/323:57:373
2629399504,41cyclictest0-21swapper/322:56:193
2629399504,40cyclictest0-21swapper/323:51:523
2629399504,40cyclictest0-21swapper/323:26:293
2629399503,42cyclictest0-21swapper/320:28:253
26293995019,26cyclictest37-21ksoftirqd/323:21:163
26293995012,5cyclictest0-21swapper/323:01:563
26293995012,32cyclictest0-21swapper/323:50:133
26293995011,34cyclictest30815-21fschecks_count18:51:373
2628499504,41cyclictest0-21swapper/221:27:532
2627599503,42cyclictest3495-21grep20:31:341
2627599503,41cyclictest2618-21grep20:26:521
2627599503,41cyclictest15743-21sendmail_mailtr20:51:461
2627599503,40cyclictest21489-21grep21:41:481
2627599503,10cyclictest10638-21aten_rbpower_vo22:11:291
26275995022,23cyclictest15272-21sort23:41:441
2627599502,43cyclictest2165-21fschecks_count19:01:371
26275995017,28cyclictest26361-21cpu18:41:241
26275995016,28cyclictest714-21unixbench_singl20:21:511
2627199503,42cyclictest0-21swapper/023:48:180
2627199502,7cyclictest13209-21rm22:14:300
2629399498,35cyclictest0-21swapper/321:28:373
2629399498,35cyclictest0-21swapper/319:31:363
2629399495,38cyclictest0-21swapper/321:37:333
2629399494,39cyclictest0-21swapper/323:12:493
2629399494,39cyclictest0-21swapper/322:54:383
2629399494,39cyclictest0-21swapper/322:25:463
2629399494,38cyclictest0-21swapper/323:38:523
2629399494,38cyclictest0-21swapper/323:38:523
2629399494,38cyclictest0-21swapper/321:21:153
2629399493,41cyclictest0-21swapper/320:59:513
2629399493,40cyclictest0-21swapper/318:41:243
26293994911,32cyclictest0-21swapper/321:02:263
26293994910,33cyclictest0-21swapper/321:47:353
2628499499,34cyclictest0-21swapper/222:04:292
2628499494,9cyclictest0-21swapper/221:34:512
2628499494,40cyclictest0-21swapper/220:42:362
2628499493,41cyclictest0-21swapper/223:37:482
2628499493,41cyclictest0-21swapper/223:37:482
2628499493,41cyclictest0-21swapper/222:29:092
2628499493,41cyclictest0-21swapper/200:10:472
26284994919,25cyclictest6788-21diskmemload23:08:592
2627599496,37cyclictest6120-21hwlatdetect19:11:371
2627599495,39cyclictest10208-21open_files19:21:461
2627599494,39cyclictest8662-21cpu22:51:271
2627599493,40cyclictest30354-21sshd18:50:561
2627599493,40cyclictest30354-21sshd18:50:561
2627599493,40cyclictest30266-21tune2fs20:16:341
2627599493,40cyclictest30266-21tune2fs20:16:341
2627599493,40cyclictest24860-21timerandwakeup23:11:441
2627599493,39cyclictest27027-21ntpq20:06:421
2627599492,41cyclictest6703-21ksmtuned20:40:211
2627599492,41cyclictest32498-21timerandwakeup23:21:461
26275994919,25cyclictest31047-21idleruntime18:51:391
26275994919,25cyclictest2763-21/usr/sbin/munin23:26:331
26275994917,27cyclictest14367-21aten_rbpower_cu22:16:291
26275994916,28cyclictest11260-21fschecks_time20:46:371
2627199494,40cyclictest0-21swapper/023:16:450
2627199494,39cyclictest0-21swapper/023:58:210
2627199494,39cyclictest0-21swapper/022:58:190
2627199494,39cyclictest0-21swapper/022:29:260
2627199493,41cyclictest0-21swapper/021:51:100
26271994910,34cyclictest5390-21ksmtuned19:10:170
2627199491,43cyclictest1460-21ssh23:24:080
2629399489,33cyclictest0-21swapper/323:22:323
2629399488,34cyclictest0-21swapper/321:53:183
2629399485,37cyclictest0-21swapper/300:07:283
2629399484,38cyclictest0-21swapper/323:41:333
2629399484,38cyclictest0-21swapper/322:07:323
2629399483,40cyclictest0-21swapper/321:21:213
2629399483,40cyclictest0-21swapper/321:14:013
2629399483,40cyclictest0-21swapper/320:43:523
2629399483,40cyclictest0-21swapper/320:10:013
26293994811,5cyclictest0-21swapper/300:01:543
2628499484,6cyclictest0-21swapper/222:52:492
2628499484,39cyclictest0-21swapper/218:46:412
2628499484,39cyclictest0-21swapper/218:46:412
2628499484,38cyclictest0-21swapper/223:12:262
2628499484,38cyclictest0-21swapper/222:24:512
2628499484,38cyclictest0-21swapper/221:18:262
2628499484,38cyclictest0-21swapper/221:16:102
2628499483,40cyclictest0-21swapper/221:47:302
26284994811,33cyclictest31148-21latency_hist23:21:172
2627599489,33cyclictest14241-21timerwakeupswit19:31:511
2627599485,37cyclictest6856-21fschecks_count23:31:301
2627599485,37cyclictest26444-21forks21:06:321
2627599485,37cyclictest26444-21forks21:06:321
2627599483,39cyclictest24087-21ssh21:02:241
2627599483,39cyclictest18987-21switchtime23:46:421
2627599483,38cyclictest15799-21ntpq19:36:431
2627599482,39cyclictest3954-21cpu19:06:331
26275994815,28cyclictest1536-21ntp_kernel_err00:06:391
26275994811,31cyclictest12903-21sshd23:39:121
26275994811,31cyclictest12903-21sshd23:39:121
2627199484,39cyclictest0-21swapper/022:03:000
2627199484,39cyclictest0-21swapper/021:24:070
2627199484,38cyclictest0-21swapper/021:09:420
2627199484,38cyclictest0-21swapper/021:09:420
2627199484,38cyclictest0-21swapper/020:58:110
2627199483,8cyclictest0-21swapper/021:12:310
2627199483,40cyclictest0-21swapper/023:06:090
2627199483,40cyclictest0-21swapper/000:07:470
2627199482,15cyclictest12673-21ssh20:47:350
26271994817,26cyclictest6788-21diskmemload22:35:280
26271994811,31cyclictest0-21swapper/022:08:020
2629399473,39cyclictest0-21swapper/321:44:003
2629399473,39cyclictest0-21swapper/320:51:473
2629399472,39cyclictest8691-21ssh23:33:183
26293994711,31cyclictest0-21swapper/319:41:333
2628499474,38cyclictest0-21swapper/220:59:402
2628499474,38cyclictest0-21swapper/220:53:202
2628499474,37cyclictest0-21swapper/223:56:222
2628499474,37cyclictest0-21swapper/222:12:472
2628499474,11cyclictest0-21swapper/221:51:492
2628499473,39cyclictest0-21swapper/221:37:022
26284994710,6cyclictest0-21swapper/222:34:432
2627599476,36cyclictest7202-21idleruntime22:06:331
2627599476,35cyclictest8143-21latency19:16:401
2627599476,35cyclictest4098-21timerandwakeup22:01:461
2627599474,13cyclictest0-21swapper/118:56:381
2627599473,7cyclictest25177-21ntp_states20:01:441
2627599473,39cyclictest22745-21fschecks_count19:56:361
2627599473,37cyclictest30260-21fschecks_count21:11:331
2627199475,36cyclictest0-21swapper/022:23:130
2627199474,38cyclictest0-21swapper/023:41:210
2627199474,38cyclictest0-21swapper/022:44:480
2627199474,37cyclictest0-21swapper/023:51:180
2627199474,37cyclictest0-21swapper/023:33:080
2627199474,37cyclictest0-21swapper/023:27:250
2627199474,37cyclictest0-21swapper/022:56:060
2627199474,37cyclictest0-21swapper/021:27:230
2627199474,37cyclictest0-21swapper/019:12:070
2627199474,17cyclictest0-21swapper/020:54:120
2627199473,39cyclictest0-21swapper/023:07:090
2627199473,39cyclictest0-21swapper/022:38:290
2627199473,39cyclictest0-21swapper/022:38:290
26271994711,5cyclictest0-21swapper/022:48:080
26271994711,30cyclictest0-21swapper/018:57:280
2629399464,37cyclictest0-21swapper/320:31:343
2629399464,37cyclictest0-21swapper/320:01:353
2629399463,37cyclictest0-21swapper/320:21:313
2629399463,37cyclictest0-21swapper/320:11:473
2629399463,37cyclictest0-21swapper/320:11:473
2628499464,37cyclictest0-21swapper/223:28:402
2628499464,37cyclictest0-21swapper/223:02:452
2628499464,37cyclictest0-21swapper/222:06:232
2628499464,37cyclictest0-21swapper/221:02:232
2628499464,37cyclictest0-21swapper/220:31:302
2627599467,34cyclictest12486-21unixbench_multi19:26:531
2627599463,38cyclictest8917-21aten_rbpower_en21:26:321
26275994616,26cyclictest643-21runrttasks20:41:251
26275994615,26cyclictest20717-21aten_rbpower_en19:51:321
2627199464,36cyclictest0-21swapper/021:16:230
2627199464,36cyclictest0-21swapper/021:01:350
2627199464,36cyclictest0-21swapper/020:43:180
2627199464,36cyclictest0-21swapper/000:03:230
26271994610,5cyclictest0-21swapper/022:21:080
2629399457,32cyclictest0-21swapper/319:46:363
2629399453,8cyclictest0-21swapper/320:16:423
2629399453,8cyclictest0-21swapper/320:16:423
2629399453,37cyclictest0-21swapper/319:40:553
2629399453,37cyclictest0-21swapper/318:46:253
2629399453,37cyclictest0-21swapper/318:46:253
2629399453,36cyclictest0-21swapper/319:21:333
2628499455,34cyclictest0-21swapper/223:25:212
2628499455,34cyclictest0-21swapper/222:46:262
2628499454,9cyclictest0-21swapper/219:07:562
2628499454,37cyclictest0-21swapper/219:36:482
2628499453,37cyclictest0-21swapper/220:01:392
2627199454,16cyclictest0-21swapper/023:37:060
2627199454,16cyclictest0-21swapper/023:37:060
2629399443,8cyclictest32599-21cpu18:56:353
2629399443,7cyclictest0-21swapper/320:36:493
2629399443,6cyclictest0-21swapper/319:56:363
2628499445,34cyclictest0-21swapper/223:46:072
2628499444,36cyclictest0-21swapper/219:15:282
2628499444,35cyclictest0-21swapper/220:24:422
2628499444,10cyclictest0-21swapper/219:52:062
2628499443,37cyclictest0-21swapper/220:18:242
2628499443,37cyclictest0-21swapper/220:18:242
2628499443,36cyclictest0-21swapper/218:56:372
2628499443,35cyclictest28530-21sh18:46:222
2627199444,17cyclictest0-21swapper/019:02:370
259802447,14sleep10-21swapper/118:40:471
2629399432,35cyclictest11364-21aten_rbpower_en19:26:333
2628499434,8cyclictest0-21swapper/219:18:312
2628499434,34cyclictest0-21swapper/220:11:212
2628499433,36cyclictest0-21swapper/219:56:352
2628499433,36cyclictest0-21swapper/219:25:252
2628499433,33cyclictest0-21swapper/219:51:222
2627199433,35cyclictest0-21swapper/019:16:360
2629399423,33cyclictest0-21swapper/319:17:353
2628499424,8cyclictest0-21swapper/219:26:492
2628499424,32cyclictest18588-21latency_hist19:46:212
2628499423,33cyclictest30793-21diskstats18:51:372
2629399412,7cyclictest20676-21/usr/sbin/munin19:51:353
2628499413,8cyclictest0-21swapper/219:34:582
2628499413,34cyclictest0-21swapper/220:26:592
2628499413,34cyclictest0-21swapper/219:03:312
284042393,6sleep00-21swapper/018:44:570
2628499394,30cyclictest0-21swapper/220:37:592
2578623814,18sleep20-21swapper/218:38:272
2567323612,17sleep30-21swapper/318:37:073
2567023612,18sleep00-21swapper/018:37:040
26293993524,6cyclictest3169-21sed19:01:543
26271993518,13cyclictest5897-21ntp_states20:36:460
2627199344,26cyclictest0-21swapper/019:47:160
2627199343,26cyclictest0-21swapper/020:28:460
2627199335,24cyclictest0-21swapper/020:08:160
2627199334,25cyclictest0-21swapper/019:51:460
2627199323,25cyclictest0-21swapper/020:25:160
2627199323,25cyclictest0-21swapper/019:42:160
2629399314,21cyclictest0-21swapper/319:11:433
2629399313,22cyclictest0-21swapper/319:06:343
2627199314,22cyclictest0-21swapper/019:56:460
2627199314,22cyclictest0-21swapper/019:31:350
26271993121,6cyclictest28899-21tr20:11:420
26271993121,6cyclictest28899-21tr20:11:420
26271993119,8cyclictest11698-21cut19:26:370
2627199304,22cyclictest0-21swapper/020:17:440
2627199304,22cyclictest0-21swapper/020:17:440
2627199304,21cyclictest0-21swapper/019:23:030
2627199303,23cyclictest0-21swapper/019:36:450
2627199303,23cyclictest0-21swapper/018:46:460
2627199303,23cyclictest0-21swapper/018:46:460
257882303,6sleep00-21swapper/020:03:030
2627199294,20cyclictest0-21swapper/020:31:300
2627199284,20cyclictest0-21swapper/018:52:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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