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2026-05-04 - 04:36
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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 Mon May 04, 2026 00:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
520699785,67cyclictest0-21swapper/323:47:443
520699743,64cyclictest1886-21/usr/sbin/munin21:27:323
520699675,56cyclictest0-21swapper/300:27:313
520699674,57cyclictest0-21swapper/322:40:263
520699664,56cyclictest0-21swapper/323:02:403
520699664,56cyclictest0-21swapper/321:35:453
520699655,54cyclictest0-21swapper/323:07:403
520699655,54cyclictest0-21swapper/321:51:433
520699654,55cyclictest0-21swapper/320:32:113
520699654,55cyclictest0-21swapper/300:22:493
520699653,56cyclictest9350-21ssh21:37:313
520699653,56cyclictest32616-21aten_rbpower_po22:52:183
520699652,57cyclictest31977-21/usr/sbin/munin20:17:423
520699652,57cyclictest31977-21/usr/sbin/munin20:17:423
520699652,27cyclictest22098-21latency_hist21:12:113
5206996516,44cyclictest993-21switchtime00:17:333
518999652,57cyclictest27871-21ls23:27:341
520699645,53cyclictest0-21swapper/322:23:373
520699645,53cyclictest0-21swapper/300:12:433
520699642,56cyclictest1894-21latency_hist23:37:083
520699642,28cyclictest22961-21/usr/sbin/munin23:22:353
520699635,51cyclictest0-21swapper/319:27:133
520699634,52cyclictest0-21swapper/300:07:063
520699633,54cyclictest29737-21fgrep22:47:333
520699633,54cyclictest29737-21fgrep22:47:333
520699632,56cyclictest16462-21sshd19:33:223
5206996310,48cyclictest0-21swapper/323:57:333
5206996310,48cyclictest0-21swapper/323:57:333
518999632,6cyclictest12600-21smart_sda23:07:331
520699625,51cyclictest0-21swapper/321:57:453
520699625,51cyclictest0-21swapper/319:22:123
520699622,55cyclictest5305-21unixbench_singl22:57:383
520699622,53cyclictest32050-21timerandwakeup22:07:373
520699616,49cyclictest0-21swapper/320:07:123
520699614,50cyclictest0-21swapper/319:32:123
520699612,53cyclictest9649-21latency_hist22:22:083
520699612,53cyclictest25951-21/usr/sbin/munin21:17:313
520699612,53cyclictest25951-21/usr/sbin/munin21:17:313
520699612,53cyclictest21139-21/usr/sbin/munin21:52:403
520699612,30cyclictest20252-21cat23:17:343
520699605,49cyclictest0-21swapper/321:12:323
520699604,50cyclictest0-21swapper/320:52:103
520699603,52cyclictest24271-21idleruntime-cro19:57:113
520699603,52cyclictest18174-21latency_hist21:07:103
520699603,50cyclictest0-21swapper/319:47:123
520699602,53cyclictest2662-21memory23:37:273
520699602,53cyclictest2662-21memory23:37:273
520699602,52cyclictest1955-21iostat_ios20:22:273
520699602,52cyclictest12574-21sed00:32:363
520699601,54cyclictest18595-21timerwakeupswit22:32:413
520699594,50cyclictest0-21swapper/321:27:093
520699594,49cyclictest0-21swapper/322:42:343
520699593,50cyclictest16264-21ssh23:12:323
520699593,26cyclictest0-21swapper/319:52:123
520699592,52cyclictest24685-21ssh00:07:073
520699592,51cyclictest16222-21munin-run21:02:103
520699592,51cyclictest15766-21latency_hist21:47:093
520699592,51cyclictest14980-21ssh22:27:433
520699592,51cyclictest14798-21ssh23:52:403
520699584,20cyclictest0-21swapper/319:17:123
520699583,50cyclictest0-21swapper/320:12:113
520699582,51cyclictest5541-21if_eth219:07:173
519899585,9cyclictest4545-21ssh23:40:052
519899585,9cyclictest4545-21ssh23:40:052
518499585,46cyclictest0-21swapper/000:14:040
520699572,49cyclictest26158-21idleruntime-cro20:02:113
518499565,7cyclictest0-21swapper/022:22:160
518499564,46cyclictest0-21swapper/023:01:550
518499564,27cyclictest0-21swapper/021:59:210
47402569,16sleep30-21swapper/319:04:403
520699553,46cyclictest0-21swapper/319:42:123
520699552,48cyclictest9493-21latency_hist23:47:073
520699552,47cyclictest7396-21kworker/u8:122:02:193
520699552,47cyclictest7396-21kworker/u8:122:02:193
519899554,45cyclictest0-21swapper/223:44:442
519899554,45cyclictest0-21swapper/223:05:552
518999552,47cyclictest7618-21cut00:27:161
518499554,45cyclictest0-21swapper/023:13:020
518999542,11cyclictest122012date21:42:101
5189995419,30cyclictest23987-21switchtime23:22:341
518999541,47cyclictest16139-21wc21:47:201
5184995443,6cyclictest3-21ksoftirqd/023:57:060
518499544,44cyclictest0-21swapper/023:27:360
518499544,44cyclictest0-21swapper/022:30:000
518499543,45cyclictest0-21swapper/022:07:270
520699534,42cyclictest0-21swapper/320:52:403
5189995321,27cyclictest21161-21/usr/sbin/munin22:37:301
5189995315,32cyclictest31677-21timerandwakeup23:32:361
518499536,40cyclictest0-21swapper/021:31:010
518499534,44cyclictest0-21swapper/021:11:500
518499534,43cyclictest0-21swapper/022:39:560
518499534,43cyclictest0-21swapper/000:33:320
518499534,42cyclictest0-21swapper/022:42:430
519899524,42cyclictest0-21swapper/222:29:482
519899524,42cyclictest0-21swapper/222:23:242
519899523,43cyclictest0-21swapper/221:00:202
519899522,44cyclictest23595-21ssh00:05:142
5198995211,35cyclictest7157-21sshd20:37:212
5189995218,28cyclictest31086-21sed20:12:391
5189995215,31cyclictest29103-21awk20:07:371
5189995213,33cyclictest26184-21timerwakeupswit22:42:381
518499524,42cyclictest0-21swapper/023:17:510
518499523,8cyclictest0-21swapper/022:19:360
518499523,43cyclictest23671-21ssh21:12:470
520699515,41cyclictest0-21swapper/320:17:123
519899516,39cyclictest0-21swapper/223:32:152
519899514,17cyclictest0-21swapper/200:21:352
519899512,44cyclictest28395-21ssh22:46:562
518999516,38cyclictest2162-21netstat20:22:311
5189995122,25cyclictest4544-21tr00:22:261
5189995120,27cyclictest12950-21wc21:42:291
5189995118,28cyclictest16748-21head23:12:381
5189995115,30cyclictest11307-21latency_hist23:07:071
5189995115,29cyclictest30801-21timerandwakeup21:22:371
5189995113,33cyclictest20971-21/usr/sbin/munin00:02:231
5189995111,35cyclictest6402-21fschecks_time22:17:211
5189995110,36cyclictest19287-21cpu23:17:171
518499515,40cyclictest0-21swapper/023:06:380
518499514,41cyclictest0-21swapper/022:05:380
518499514,41cyclictest0-21swapper/022:05:380
518499514,23cyclictest0-21swapper/021:22:200
518499514,22cyclictest0-21swapper/022:32:220
518499513,43cyclictest0-21swapper/000:22:290
518499513,43cyclictest0-21swapper/000:05:540
518499513,42cyclictest0-21swapper/000:00:200
518499513,42cyclictest0-21swapper/000:00:200
46552517,13sleep00-21swapper/019:03:410
520699503,40cyclictest8188-21chrt20:37:393
519899504,8cyclictest0-21swapper/200:10:272
519899504,41cyclictest0-21swapper/223:14:122
519899504,41cyclictest0-21swapper/222:39:262
519899504,41cyclictest0-21swapper/221:18:182
519899504,41cyclictest0-21swapper/221:18:182
519899504,40cyclictest0-21swapper/222:59:042
519899504,40cyclictest0-21swapper/222:52:462
519899504,40cyclictest0-21swapper/221:41:472
519899503,42cyclictest0-21swapper/221:04:132
519899503,41cyclictest0-21swapper/200:33:032
518999509,36cyclictest6437-21unixbench_singl20:32:421
518999507,37cyclictest25057-21latency19:57:301
518999505,8cyclictest12308-21/usr/sbin/munin00:32:321
518999503,8cyclictest8544-21sendmail_mailqu19:12:371
518999502,8cyclictest16415-21/usr/sbin/munin19:32:461
5189995016,27cyclictest652-21runrttasks22:36:531
5189995013,31cyclictest28062-21open_files22:02:331
5189995013,31cyclictest28062-21open_files22:02:331
5189995013,31cyclictest21024-21unixbench_multi21:52:391
518999501,34cyclictest8142open_inodes00:17:301
518499506,38cyclictest0-21swapper/021:52:330
518499505,39cyclictest0-21swapper/022:13:270
518499504,6cyclictest0-21swapper/023:40:550
518499504,6cyclictest0-21swapper/023:40:550
518499504,40cyclictest0-21swapper/022:51:360
518499504,40cyclictest0-21swapper/022:51:360
518499504,18cyclictest0-21swapper/023:49:330
5206994917,27cyclictest652-21runrttasks20:32:583
519899494,40cyclictest0-21swapper/223:55:542
519899494,40cyclictest0-21swapper/221:57:102
519899494,40cyclictest0-21swapper/200:27:132
519899493,41cyclictest0-21swapper/221:52:272
519899493,40cyclictest0-21swapper/223:58:342
519899493,40cyclictest0-21swapper/223:58:342
519899492,41cyclictest9697-21kworker/2:122:33:062
518999497,36cyclictest30980-21aten_rbpower_en22:07:191
518999494,7cyclictest0-21swapper/122:14:011
518999493,7cyclictest17622-21idleruntime23:57:221
518999493,7cyclictest17622-21idleruntime23:57:221
518999492,8cyclictest6674-21fgrep19:07:361
5189994918,26cyclictest26296-21grep21:17:231
5189994918,26cyclictest26296-21grep21:17:231
5189994916,28cyclictest28526-21/usr/sbin/munin00:12:331
5189994915,29cyclictest652-21runrttasks23:49:041
5189994915,28cyclictest652-21runrttasks21:02:271
5189994914,30cyclictest21306-21latency19:47:301
5189994914,30cyclictest11765-21fschecks_time19:22:271
5189994912,32cyclictest13987-21grep22:27:241
5189994910,34cyclictest22462-21fschecks_count21:12:231
5189994910,33cyclictest5211-21fschecks_time21:32:261
518499497,37cyclictest0-21swapper/019:19:340
518499494,40cyclictest0-21swapper/023:35:180
518499494,39cyclictest0-21swapper/023:22:140
518499494,38cyclictest0-21swapper/021:33:070
518499494,13cyclictest0-21swapper/023:08:080
518499493,41cyclictest0-21swapper/023:44:140
5184994911,32cyclictest0-21swapper/019:32:390
519899484,39cyclictest0-21swapper/222:51:062
519899484,39cyclictest0-21swapper/222:51:062
519899484,39cyclictest0-21swapper/221:23:112
519899484,39cyclictest0-21swapper/221:16:582
519899484,38cyclictest0-21swapper/220:52:202
519899483,41cyclictest0-21swapper/223:08:052
519899483,40cyclictest0-21swapper/223:20:252
519899483,40cyclictest0-21swapper/222:12:462
519899483,40cyclictest0-21swapper/221:31:572
519899483,39cyclictest0-21swapper/221:48:372
519899483,39cyclictest0-21swapper/221:08:252
519899483,10cyclictest0-21swapper/222:08:272
518999488,34cyclictest23724-21tune2fs21:57:221
518999483,16cyclictest9972-21ssh22:22:211
518999483,13cyclictest0-21swapper/122:54:221
5189994817,26cyclictest18091-21diskmemload21:09:341
5189994815,28cyclictest12026-21unixbench_singl20:47:411
5189994813,30cyclictest14411-21switchtime23:52:341
5189994813,29cyclictest7169-21aten_rbpower_vo20:37:211
5189994811,32cyclictest11180-21latency_hist19:22:121
5189994810,33cyclictest6921-21timerandwakeup23:42:351
5189994810,32cyclictest380-21systemd-journal00:08:271
518499484,38cyclictest0-21swapper/021:40:110
518499483,39cyclictest0-21swapper/000:19:060
518499482,40cyclictest15711-21ssh21:47:080
5184994816,27cyclictest26045-21aten_rbpower_vo21:17:190
5184994816,27cyclictest26045-21aten_rbpower_vo21:17:190
476424810,31sleep20-21swapper/219:05:002
519899478,34cyclictest0-21swapper/221:42:222
519899475,37cyclictest0-21swapper/220:47:262
519899475,37cyclictest0-21swapper/219:47:272
519899474,37cyclictest0-21swapper/223:25:142
519899474,37cyclictest0-21swapper/220:27:252
519899474,37cyclictest0-21swapper/200:23:092
519899473,39cyclictest0-21swapper/223:47:552
519899473,39cyclictest0-21swapper/223:27:152
5198994712,5cyclictest0-21swapper/219:37:422
5198994711,5cyclictest0-21swapper/222:20:202
5198994711,32cyclictest652-21runrttasks19:55:462
518999479,33cyclictest20241-21taskset19:43:481
518999479,33cyclictest13818-21sed20:52:391
518999478,33cyclictest23777-21unixbench_multi19:52:411
518999474,14cyclictest0-21swapper/119:27:371
518999473,38cyclictest28018-21latency_hist20:07:121
518999473,20cyclictest0-21swapper/122:50:421
518999473,20cyclictest0-21swapper/122:50:421
5189994715,27cyclictest32456-21interrupts20:17:271
5189994715,27cyclictest32456-21interrupts20:17:271
5189994714,28cyclictest3054-21switchtime23:37:351
5189994714,28cyclictest3054-21switchtime23:37:351
5189994712,30cyclictest9301-21grep20:42:261
5189994711,30cyclictest0-21swapper/122:57:341
5189994710,32cyclictest3688-21fschecks_time20:27:261
518499474,38cyclictest0-21swapper/019:07:420
518499474,38cyclictest0-21swapper/000:27:210
520699463,38cyclictest0-21swapper/320:42:293
5206994618,22cyclictest2748-21idleruntime22:12:243
519899464,37cyclictest0-21swapper/220:25:512
519899464,37cyclictest0-21swapper/220:12:402
519899464,36cyclictest0-21swapper/222:02:532
519899464,36cyclictest0-21swapper/222:02:532
519899464,36cyclictest0-21swapper/200:12:462
518999464,36cyclictest0-21swapper/121:27:211
518999463,7cyclictest15368-21/usr/sbin/munin20:57:341
5189994614,27cyclictest17109-21aten_rbpower_vo19:37:231
518499467,33cyclictest0-21swapper/022:52:490
518499464,37cyclictest0-21swapper/021:47:320
518499464,35cyclictest0-21swapper/000:07:420
5184994637,5cyclictest3-21ksoftirqd/019:47:110
518499463,37cyclictest11719-21tune2fs19:22:260
520699452,36cyclictest26755-21munin-node23:27:163
519899454,36cyclictest0-21swapper/219:47:122
519899454,35cyclictest0-21swapper/220:42:312
519899454,10cyclictest0-21swapper/220:32:312
519899453,37cyclictest0-21swapper/219:57:312
519899453,36cyclictest0-21swapper/220:02:372
5198994511,29cyclictest0-21swapper/221:33:372
518499454,36cyclictest0-21swapper/019:13:200
518499454,35cyclictest0-21swapper/019:27:220
519899444,35cyclictest0-21swapper/220:07:252
519899434,8cyclictest0-21swapper/220:17:282
519899434,8cyclictest0-21swapper/220:17:282
518499434,6cyclictest0-21swapper/019:37:280
86672383,8sleep00-21swapper/020:41:310
487623713,17sleep10-21swapper/119:06:231
518499364,27cyclictest0-21swapper/020:07:380
5184993525,5cyclictest3-21ksoftirqd/021:04:190
5184993523,7cyclictest21710-21sort19:47:390
519899346,22cyclictest0-21swapper/219:22:232
519899344,25cyclictest0-21swapper/219:32:002
5198993423,7cyclictest16105-21sort19:32:412
5198993417,12cyclictest5554-21awk19:07:172
518499334,25cyclictest0-21swapper/020:56:200
518499334,24cyclictest0-21swapper/020:24:490
518499333,25cyclictest0-21swapper/020:57:200
5184993312,16cyclictest10185-21grep20:42:410
5198993220,7cyclictest10759-21grep19:17:422
5184993220,7cyclictest23338-21ntp_kernel_err19:52:320
5184993219,8cyclictest5318-21cpu20:32:230
518499314,23cyclictest0-21swapper/020:04:410
518499313,24cyclictest0-21swapper/020:00:190
518499312,15cyclictest306082irqstats20:12:300
519899304,22cyclictest0-21swapper/219:13:322
518499304,22cyclictest0-21swapper/020:47:490
518499304,22cyclictest0-21swapper/020:18:190
518499304,22cyclictest0-21swapper/020:18:190
518499303,23cyclictest0-21swapper/020:28:410
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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