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2026-08-15 - 01:29
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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 Fri Aug 14, 2026 12:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3032899802,6cyclictest6854-21ssh11:09:060
3032899753,66cyclictest0-21swapper/010:25:500
3032899743,66cyclictest0-21swapper/010:53:300
3032899742,66cyclictest30356-21/usr/sbin/munin07:48:440
3032899742,66cyclictest24702-21ssh11:33:330
3032899733,64cyclictest0-21swapper/009:51:300
3032899732,65cyclictest7896-21/usr/sbin/munin06:48:450
3032899732,6cyclictest12530-21unixbench_singl08:23:520
3032899724,62cyclictest22327-21latency_hist08:38:210
3032899723,63cyclictest3502-21sort11:48:310
3032899723,63cyclictest3502-21sort11:48:310
3032899723,63cyclictest30003-21cpu08:48:320
3032899723,63cyclictest30003-21cpu08:48:320
3032899722,7cyclictest13499-21/usr/sbin/munin07:03:470
3032899722,63cyclictest11254-21/usr/sbin/munin10:33:300
3032899718,57cyclictest10849-21diskmemload09:38:120
3032899718,57cyclictest10849-21diskmemload09:38:120
3032899712,63cyclictest9897-21unixbench_multi09:03:510
3032899712,63cyclictest9195-21/usr/sbin/munin08:18:500
3032899712,63cyclictest5446-21/usr/sbin/munin08:08:520
3032899712,63cyclictest15368-21/usr/sbin/munin07:08:500
3032899702,7cyclictest13370-21/usr/sbin/munin09:53:440
3032899702,62cyclictest30144-21/usr/sbin/munin10:58:510
3032899702,62cyclictest20998-21/usr/sbin/munin07:23:480
3032899702,35cyclictest9763-21/usr/sbin/munin06:53:430
3032899702,30cyclictest629-21snmpd07:47:490
3032899699,54cyclictest0-21swapper/011:29:270
3032899695,59cyclictest17293-21sshd08:30:530
3032899695,58cyclictest0-21swapper/009:41:550
3032899694,59cyclictest0-21swapper/010:15:300
3032899693,60cyclictest1478-21sshd11:03:200
3032899693,60cyclictest1478-21sshd11:03:200
3032899693,5cyclictest27703-21ssh08:44:130
3032899692,61cyclictest32224-21/usr/sbin/munin07:53:380
3032899692,61cyclictest24710-21/usr/sbin/munin10:08:310
3032899692,61cyclictest22902-21aten_rbpower_en07:28:340
3032899692,61cyclictest16388-21latency_hist11:23:170
30328996910,53cyclictest0-21swapper/011:19:420
3032899685,57cyclictest0-21swapper/009:19:430
3032899684,58cyclictest0-21swapper/009:58:550
3032899683,6cyclictest22883-21ssh10:04:580
3032899683,59cyclictest6478-21idleruntime06:43:410
3032899683,59cyclictest3358-21ssh10:23:120
3032899683,59cyclictest30841-21ssh11:41:500
3032899683,59cyclictest10651-21ssh11:14:070
3032899682,60cyclictest7478-21/usr/sbin/munin10:28:300
3032899682,60cyclictest26608-21/usr/sbin/munin07:38:510
3032899682,60cyclictest2289-21/usr/sbin/munin06:33:330
3032899682,60cyclictest16206-21fschecks_count09:13:320
3032899682,59cyclictest11632-21/usr/sbin/munin06:58:390
3032899682,37cyclictest17239-21/usr/sbin/munin07:13:440
3032899682,30cyclictest7573-21ssh09:01:450
3032899675,56cyclictest0-21swapper/009:24:270
3032899674,57cyclictest0-21swapper/009:29:340
3032899673,58cyclictest22172-21ssh10:47:580
3032899673,58cyclictest16796-21ssh10:39:340
3032899673,5cyclictest0-21swapper/010:49:120
3032899672,6cyclictest6719-21ntp_states09:43:420
3032899672,59cyclictest1705-21/usr/sbin/munin07:58:530
3032899672,59cyclictest1705-21/usr/sbin/munin07:58:530
3032899672,30cyclictest13873-21ssh09:09:150
3032899664,57cyclictest0-21swapper/008:39:030
3032899664,32cyclictest0-21swapper/011:48:100
3032899663,57cyclictest2185-21/usr/sbin/munin08:53:470
3032899663,57cyclictest2185-21/usr/sbin/munin08:53:470
30346996520,40cyclictest31758-21ps09:33:443
30346996520,40cyclictest31758-21ps09:33:443
3032899652,57cyclictest3574-21/usr/sbin/munin08:03:460
3032899652,57cyclictest3574-21/usr/sbin/munin08:03:460
3032899652,57cyclictest344-21/usr/sbin/munin06:28:450
3032899652,57cyclictest24738-21/usr/sbin/munin07:33:560
30328996512,24cyclictest0-21swapper/007:22:440
30346996421,37cyclictest17015-21wc09:13:463
30346996320,37cyclictest5309-21/usr/sbin/munin11:08:293
30346996320,37cyclictest25346-21memory07:33:423
30346996314,43cyclictest0-21swapper/308:24:553
3032899634,53cyclictest0-21swapper/006:25:100
3032899634,53cyclictest0-21swapper/006:25:100
30346996220,36cyclictest4884-21/usr/sbin/munin08:58:533
30346996119,36cyclictest6217-21fschecks_time09:43:323
30346996118,37cyclictest23808-21ssh09:23:343
30346996021,34cyclictest26987-21sh08:43:453
30346996019,10cyclictest14957-21/usr/sbin/munin08:28:453
30346996017,38cyclictest17680-21sensors_temp11:23:433
30346995919,11cyclictest23734-21grep08:38:533
30346995914,39cyclictest0-21swapper/310:12:033
3032899594,28cyclictest0-21swapper/006:42:370
30346995818,35cyclictest8739-21unixbench-2d10:28:473
30346995818,34cyclictest16902-21ssh10:39:483
30346995817,36cyclictest32455-21ssh11:00:463
30346995814,38cyclictest0-21swapper/311:31:283
30346995814,38cyclictest0-21swapper/309:06:183
30346995813,39cyclictest0-21swapper/310:24:043
30346995718,33cyclictest3574-21/usr/sbin/munin08:03:323
30346995718,33cyclictest3574-21/usr/sbin/munin08:03:323
30346995716,36cyclictest3998-21ssh08:57:013
30346995716,36cyclictest3998-21ssh08:57:013
30346995715,36cyclictest11291-21ssh09:49:303
30346995714,37cyclictest0-21swapper/311:44:133
30346995713,38cyclictest0-21swapper/309:30:293
30346995713,38cyclictest0-21swapper/308:51:063
30346995713,38cyclictest0-21swapper/308:51:063
3032899574,47cyclictest0-21swapper/008:17:190
3034699564,46cyclictest0-21swapper/306:24:273
3034699564,46cyclictest0-21swapper/306:24:273
30346995618,33cyclictest15008-21ssh09:11:463
30346995618,33cyclictest10849-21diskmemload11:05:303
30346995618,33cyclictest10849-21diskmemload11:05:303
30346995617,33cyclictest3110-21ssh09:38:443
30346995617,33cyclictest14809-21ssh09:53:543
30346995614,36cyclictest0-21swapper/309:21:443
3034099553,47cyclictest0-21swapper/208:18:332
3033299558,40cyclictest0-21swapper/110:28:301
3033299554,45cyclictest0-21swapper/110:54:251
3034699548,40cyclictest0-21swapper/310:43:513
3034099544,7cyclictest0-21swapper/211:02:492
284432547,16sleep30-21swapper/306:18:333
284432547,16sleep30-21swapper/306:18:333
3033299533,44cyclictest24354-21ssh10:08:101
30332995322,26cyclictest19589-21needreboot10:43:381
3033299523,42cyclictest32096-21/usr/sbin/munin06:23:521
3033299523,42cyclictest32096-21/usr/sbin/munin06:23:521
3033299522,44cyclictest15141-21df_inode08:28:321
3034099514,41cyclictest0-21swapper/208:49:462
3034099514,41cyclictest0-21swapper/208:49:462
3034099513,43cyclictest0-21swapper/209:21:402
3034099513,41cyclictest4212-21/usr/sbin/munin11:48:432
3034099513,41cyclictest4212-21/usr/sbin/munin11:48:432
3033299514,6cyclictest0-21swapper/111:19:581
3033299514,22cyclictest0-21swapper/110:33:251
3033299512,18cyclictest11265-21ssh09:06:411
3033299504,5cyclictest0-21swapper/110:41:091
3033299504,41cyclictest0-21swapper/109:24:211
3033299504,40cyclictest0-21swapper/110:19:231
3033299504,40cyclictest0-21swapper/108:46:521
3033299503,42cyclictest0-21swapper/108:54:221
3033299503,42cyclictest0-21swapper/108:54:221
30346994934,10cyclictest25056-21ntpdc11:33:393
3034099494,38cyclictest0-21swapper/210:08:452
30340994914,30cyclictest25020-21netstat11:33:392
3033299494,39cyclictest0-21swapper/111:29:181
3033299494,39cyclictest0-21swapper/108:59:321
3033299493,41cyclictest0-21swapper/111:41:481
30332994912,32cyclictest22743-21fschecks_time08:38:371
30332994912,31cyclictest0-21swapper/111:11:201
30332994911,32cyclictest0-21swapper/110:14:501
30346994824,18cyclictest29412-21users11:38:483
3034099484,38cyclictest0-21swapper/210:03:442
3034099483,9cyclictest0-21swapper/210:30:202
3034099483,39cyclictest0-21swapper/211:16:552
3034099483,39cyclictest0-21swapper/207:56:532
3033299483,40cyclictest0-21swapper/110:51:291
30332994812,5cyclictest0-21swapper/111:06:471
30332994812,5cyclictest0-21swapper/111:06:471
30346994723,18cyclictest18129-21sendmail_mailst07:13:483
30346994716,25cyclictest13281-21sa107:03:223
3034099474,38cyclictest0-21swapper/208:23:402
3034099474,37cyclictest0-21swapper/211:11:592
3033299479,33cyclictest0-21swapper/108:37:011
3033299478,33cyclictest0-21swapper/109:38:261
3033299475,17cyclictest0-21swapper/111:15:441
3033299474,39cyclictest0-21swapper/107:22:401
3033299474,38cyclictest0-21swapper/110:00:041
3033299474,37cyclictest0-21swapper/111:36:491
3033299474,37cyclictest0-21swapper/111:26:351
3033299474,37cyclictest0-21swapper/109:55:161
3033299474,37cyclictest0-21swapper/108:25:591
3033299474,10cyclictest0-21swapper/108:03:381
3033299474,10cyclictest0-21swapper/108:03:381
3033299473,40cyclictest0-21swapper/108:09:061
3033299473,39cyclictest0-21swapper/110:59:291
3033299473,39cyclictest0-21swapper/109:35:241
3033299473,39cyclictest0-21swapper/109:35:241
3033299473,39cyclictest0-21swapper/109:18:501
3033299473,38cyclictest0-21swapper/106:53:391
3033299472,6cyclictest16182-21diskstats09:13:311
3034699464,37cyclictest0-21swapper/308:09:053
30346994622,17cyclictest4377-21ls11:48:453
30346994622,17cyclictest4377-21ls11:48:453
3034099468,32cyclictest0-21swapper/208:59:072
3034099468,32cyclictest0-21swapper/208:29:382
3034099464,36cyclictest0-21swapper/211:48:072
3034099464,36cyclictest0-21swapper/211:07:502
3034099464,36cyclictest0-21swapper/211:07:502
3034099464,36cyclictest0-21swapper/209:43:252
3034099464,36cyclictest0-21swapper/209:18:032
3034099464,36cyclictest0-21swapper/208:48:022
3034099463,39cyclictest0-21swapper/208:55:322
3034099463,39cyclictest0-21swapper/208:55:322
3034099463,38cyclictest0-21swapper/210:53:432
3034099463,37cyclictest0-21swapper/210:13:482
3033299464,36cyclictest0-21swapper/111:43:331
3033299464,36cyclictest0-21swapper/110:27:131
3033299464,36cyclictest0-21swapper/109:44:291
3033299464,36cyclictest0-21swapper/109:28:411
3033299464,36cyclictest0-21swapper/109:10:511
3033299463,37cyclictest0-21swapper/110:09:201
3033299463,37cyclictest0-21swapper/108:50:491
3033299463,37cyclictest0-21swapper/108:50:491
3033299462,7cyclictest9551-21munin-run06:53:221
3033299462,39cyclictest0-21swapper/109:52:401
30346994527,13cyclictest11906-21sh11:16:473
30346994526,14cyclictest1864-21/usr/sbin/munin07:58:323
30346994526,14cyclictest1864-21/usr/sbin/munin07:58:323
30346994512,28cyclictest0-21swapper/306:55:063
3034099457,32cyclictest0-21swapper/208:34:472
3034099456,33cyclictest0-21swapper/210:48:472
3034099454,35cyclictest0-21swapper/210:44:402
3034099454,35cyclictest0-21swapper/210:18:502
3034099454,35cyclictest0-21swapper/208:39:442
3034099454,35cyclictest0-21swapper/206:31:252
3034099454,16cyclictest0-21swapper/209:30:192
3034099454,15cyclictest0-21swapper/209:58:302
3034099453,9cyclictest0-21swapper/210:33:492
3034099453,37cyclictest0-21swapper/208:14:232
3033299454,36cyclictest0-21swapper/111:48:261
3033299454,36cyclictest0-21swapper/111:48:261
3033299454,36cyclictest0-21swapper/107:59:261
3033299454,36cyclictest0-21swapper/107:59:261
3033299454,35cyclictest0-21swapper/106:38:401
299962455,15sleep00-21swapper/006:22:160
299962455,15sleep00-21swapper/006:22:160
30346994430,9cyclictest7998-21needreboot08:13:423
30346994426,12cyclictest15685-21runrttasks11:21:453
30346994425,14cyclictest2653-21fschecks_time06:33:383
30346994425,14cyclictest19129-21/usr/sbin/munin07:18:353
30346994425,13cyclictest31127-21open_files07:48:463
30346994422,16cyclictest26657-21cut07:38:323
30346994421,17cyclictest27638-21grep10:53:473
3034099449,6cyclictest28350-21latency_hist07:43:222
3034099444,35cyclictest0-21swapper/211:43:122
3034099444,35cyclictest0-21swapper/211:22:052
3034099444,35cyclictest0-21swapper/207:52:032
3034099444,13cyclictest0-21swapper/210:41:522
3034099443,34cyclictest0-21swapper/206:23:412
3034099443,34cyclictest0-21swapper/206:23:412
3034099442,37cyclictest10841-21sed09:48:482
3033299444,35cyclictest0-21swapper/107:01:251
3033299444,34cyclictest0-21swapper/107:06:441
3033299444,11cyclictest0-21swapper/106:38:161
3033299443,36cyclictest0-21swapper/107:17:001
30346994328,9cyclictest23478-21/usr/sbin/munin10:48:413
30346994324,14cyclictest28483-21aten_rbpower_cu07:43:323
30346994324,13cyclictest9030-21unixbench-2d06:48:533
30346994324,13cyclictest347-21aten_rbpower_cu06:28:333
30346994324,13cyclictest19238-21ssh08:33:383
3034099435,7cyclictest0-21swapper/211:33:132
3034099434,33cyclictest0-21swapper/210:24:112
3034099434,33cyclictest0-21swapper/209:26:242
3034099434,10cyclictest0-21swapper/208:08:512
3033299433,8cyclictest0-21swapper/107:53:531
30346994229,9cyclictest643-21runrttasks10:13:313
30346994224,13cyclictest23621-21ntp_offset07:28:463
30346994224,13cyclictest21478-21interrupts07:23:383
30346994223,14cyclictest379-21kernelversion10:18:353
30346994223,14cyclictest13713-21fschecks_count07:03:353
30346994223,13cyclictest10330-21unixbench-2d08:18:493
30346994222,13cyclictest21081-21cpu10:03:293
30346994218,18cyclictest1330350ssh10:35:113
3034099424,8cyclictest0-21swapper/207:46:242
3034099424,33cyclictest0-21swapper/209:08:522
3034099423,34cyclictest0-21swapper/208:06:242
3034099423,34cyclictest0-21swapper/208:06:242
3033299424,34cyclictest0-21swapper/107:33:541
3033299424,33cyclictest0-21swapper/107:11:241
3033299424,33cyclictest0-21swapper/106:29:021
3033299423,34cyclictest0-21swapper/107:30:001
67952414,7sleep10-21swapper/106:43:501
30346994128,9cyclictest6104-21cut06:43:363
30346994126,10cyclictest32583-21fschecks_time07:53:363
30346994124,12cyclictest15685-21fschecks_time07:08:383
30346994123,13cyclictest17594-21fschecks_time09:58:333
30346994122,13cyclictest4396-21grep06:38:403
3034099413,33cyclictest0-21swapper/207:38:032
3034099413,33cyclictest0-21swapper/206:46:252
3033299403,33cyclictest0-21swapper/107:26:251
55582383,6sleep20-21swapper/209:43:152
3033299383,31cyclictest0-21swapper/107:47:071
3033299383,30cyclictest0-21swapper/108:13:531
3034099374,29cyclictest0-21swapper/206:33:282
3034099364,26cyclictest0-21swapper/209:36:252
3034099364,26cyclictest0-21swapper/209:36:252
3033299364,10cyclictest0-21swapper/107:49:181
3002123613,18sleep10-21swapper/106:22:331
3002123613,18sleep10-21swapper/106:22:331
78842353,6sleep20-21swapper/206:48:252
3034099354,26cyclictest0-21swapper/211:28:072
3033299353,27cyclictest0-21swapper/107:38:571
2832723510,17sleep20-21swapper/206:18:242
2832723510,17sleep20-21swapper/206:18:242
3034099344,25cyclictest0-21swapper/209:54:182
3034099343,25cyclictest0-21swapper/206:38:402
30340993423,7cyclictest8940-21grep09:03:352
30340993422,8cyclictest19236-21grep07:18:342
33362333,6sleep20-21swapper/208:03:102
33362333,6sleep20-21swapper/208:03:102
3034099324,24cyclictest0-21swapper/206:59:552
30340993120,7cyclictest21954-21switchtime07:23:492
3033299313,25cyclictest0-21swapper/108:19:541
30340993020,6cyclictest24563-21latency_hist07:33:222
30340993020,6cyclictest18128-21sendmail_mailst07:13:482
3034099294,19cyclictest0-21swapper/206:53:322
30340992919,6cyclictest15936-21latency07:08:422
30340992919,6cyclictest14061-21latency07:03:402
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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