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2026-07-11 - 00:24
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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 Jul 10, 2026 12:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
333499745,63cyclictest1489-21ssh10:30:323
64462690,3sleep1201ktimersoftd/112:02:171
3328996758,5cyclictest29-21ksoftirqd/209:12:072
3334996312,45cyclictest8719-21ssh09:13:553
333499625,51cyclictest26117-21ssh10:20:103
3334996210,46cyclictest0-21swapper/312:06:363
3334995811,41cyclictest8222-21df11:22:163
228232580,5sleep322825-21unixbench_singl10:57:363
332899574,47cyclictest0-21swapper/212:01:262
332899573,48cyclictest0-21swapper/210:00:482
3319995728,24cyclictest21035-21grep07:27:250
3319995717,7cyclictest8884-21seq09:57:230
333499569,41cyclictest30581-21ssh11:07:533
333499569,41cyclictest17002-21idleruntime08:42:253
3334995610,40cyclictest7352-21switchtime10:37:323
3319995619,7cyclictest1688-21tune2fs08:02:250
333499559,40cyclictest28773-21sendmail_mailqu08:57:363
333499558,41cyclictest7017-21ssh11:20:283
333499557,42cyclictest1645-21sh09:47:303
333499554,45cyclictest0-21swapper/311:57:563
333499554,45cyclictest0-21swapper/311:37:303
333499554,45cyclictest0-21swapper/309:03:403
333499553,42cyclictest0-21swapper/312:07:133
3334995511,38cyclictest12127-21/usr/sbin/munin10:02:293
3334995510,14cyclictest26646-21users11:02:363
3334995510,14cyclictest26646-21users11:02:363
332899554,45cyclictest0-21swapper/211:41:462
332899553,46cyclictest0-21swapper/211:12:272
3319995522,27cyclictest8888-21grep06:52:410
333499546,42cyclictest26484-21ssh08:54:533
333499544,45cyclictest0-21swapper/310:32:163
333499544,44cyclictest0-21swapper/309:27:343
333499543,45cyclictest20589-21open_inodes10:12:303
333499543,45cyclictest20589-21open_inodes10:12:303
3334995414,34cyclictest0-21swapper/310:07:333
3334995413,36cyclictest28554-21ssh09:40:543
3334995412,36cyclictest0-21swapper/310:54:283
332899549,39cyclictest0-21swapper/208:44:302
332899544,45cyclictest0-21swapper/211:53:002
3319995425,24cyclictest31120-21sort11:52:170
3319995419,7cyclictest22449-21find10:57:310
333499538,38cyclictest0-21swapper/311:12:163
333499537,40cyclictest11798-21ssh10:43:133
3334995314,34cyclictest0-21swapper/309:10:143
3334995311,10cyclictest0-21swapper/309:43:573
3334995310,37cyclictest8338-21/usr/sbin/munin09:57:313
332899535,42cyclictest0-21swapper/210:20:262
332899534,44cyclictest0-21swapper/209:16:472
332899534,44cyclictest0-21swapper/208:59:102
332899534,42cyclictest0-21swapper/212:10:252
332899534,42cyclictest0-21swapper/211:06:472
332899534,42cyclictest0-21swapper/211:06:472
332899532,6cyclictest4656-21ssh10:34:082
3328995310,37cyclictest0-21swapper/207:57:322
331999533,21cyclictest0-21swapper/010:35:310
3319995319,6cyclictest32423-21grep10:27:390
3319995316,5cyclictest4616-21fschecks_time11:17:180
333499527,39cyclictest12950-21ssh11:27:333
333499527,39cyclictest0-21swapper/309:54:293
333499526,40cyclictest29169-21ssh11:49:093
333499526,40cyclictest29169-21ssh11:49:093
333499526,39cyclictest11536-21switchtime09:17:343
3334995214,13cyclictest27481-21/usr/sbin/munin10:22:173
3334995212,34cyclictest0-21swapper/311:52:543
3334995212,34cyclictest0-21swapper/309:32:113
3334995210,36cyclictest15643-21/usr/sbin/munin11:32:303
332899524,42cyclictest0-21swapper/210:44:472
332899524,42cyclictest0-21swapper/207:22:312
331999524,16cyclictest0-21swapper/011:45:050
331999523,23cyclictest0-21swapper/010:41:400
331999522,15cyclictest30073-21ssh11:07:310
3319995217,6cyclictest25106-21switchtime08:52:360
3319995216,8cyclictest11767-21grep09:17:370
3319995216,6cyclictest13687-21hwlatdetect07:07:260
3319995216,6cyclictest13687-21hwlatdetect07:07:260
333499518,38cyclictest17694-21ssh09:26:563
333499518,37cyclictest0-21swapper/310:47:103
333499517,38cyclictest23315-21ssh11:42:143
332899518,38cyclictest0-21swapper/209:26:482
332899514,6cyclictest0-21swapper/208:49:302
332899514,41cyclictest0-21swapper/209:51:462
332899513,42cyclictest0-21swapper/209:32:012
3328995118,28cyclictest12140-21cut11:27:192
3328995113,33cyclictest11580-21sshd08:27:322
331999515,19cyclictest0-21swapper/009:42:290
331999514,17cyclictest0-21swapper/011:04:180
331999514,17cyclictest0-21swapper/011:04:180
331999513,21cyclictest0-21swapper/012:00:300
3319995122,24cyclictest9374-21idleruntime08:22:240
3319995119,7cyclictest15494-21cut07:12:250
3319995117,6cyclictest5543-21rt-features09:52:320
3319995116,6cyclictest8009-21unixbench_multi09:12:380
3319995114,7cyclictest26465-21ntpq09:37:300
3319995113,7cyclictest122112grep10:02:160
3319995110,9cyclictest0-21swapper/010:12:190
3319995110,9cyclictest0-21swapper/010:12:190
333499505,40cyclictest0-21swapper/308:48:183
332899504,9cyclictest0-21swapper/211:26:062
332899504,9cyclictest0-21swapper/209:06:302
332899504,40cyclictest0-21swapper/210:39:082
332899504,40cyclictest0-21swapper/206:47:332
332899504,39cyclictest0-21swapper/210:47:182
332899504,10cyclictest0-21swapper/210:02:082
332899503,41cyclictest0-21swapper/211:33:262
331999505,19cyclictest0-21swapper/010:42:150
331999504,18cyclictest0-21swapper/008:51:360
331999504,17cyclictest0-21swapper/011:40:190
331999504,16cyclictest0-21swapper/008:57:460
331999503,22cyclictest0-21swapper/009:06:480
331999503,21cyclictest0-21swapper/009:47:120
331999503,17cyclictest0-21swapper/011:23:590
3319995016,7cyclictest7837-21ntpq08:17:310
3319995016,5cyclictest24921-21sh10:17:390
3319995016,5cyclictest21171-21sh10:57:020
3319995016,5cyclictest0-21swapper/006:42:150
333499495,38cyclictest24468-21latency_hist07:37:103
332899494,39cyclictest0-21swapper/212:04:462
332899494,39cyclictest0-21swapper/210:59:392
332899494,39cyclictest0-21swapper/210:26:442
332899494,39cyclictest0-21swapper/210:14:482
332899494,39cyclictest0-21swapper/210:14:482
332899494,39cyclictest0-21swapper/208:52:212
332899493,41cyclictest0-21swapper/211:47:232
332899493,41cyclictest0-21swapper/211:47:232
332899493,40cyclictest0-21swapper/208:12:342
3328994912,32cyclictest21112-21fschecks_time07:27:262
331999494,39cyclictest0-21swapper/011:34:150
331999494,17cyclictest0-21swapper/012:07:200
331999494,16cyclictest0-21swapper/010:50:080
331999494,15cyclictest0-21swapper/011:27:170
331999493,18cyclictest0-21swapper/006:47:390
331999493,17cyclictest24152-21ssh09:34:340
3319994923,21cyclictest4233-21grep09:07:380
3319994918,6cyclictest19383-21kernelversion07:22:280
3319994915,6cyclictest28023-21sendmail_mailtr11:47:300
3319994915,6cyclictest28023-21sendmail_mailtr11:47:300
3319994910,11cyclictest0-21swapper/008:42:410
333499487,35cyclictest10601-21crond08:27:083
333499486,8cyclictest5202-21latency_hist08:12:093
333499484,38cyclictest0-21swapper/307:12:103
333499484,38cyclictest0-21swapper/307:12:103
3334994812,30cyclictest21252-21/usr/sbin/munin07:27:293
332899488,34cyclictest0-21swapper/210:08:012
332899485,37cyclictest0-21swapper/207:02:302
332899485,37cyclictest0-21swapper/207:02:302
332899484,38cyclictest0-21swapper/210:27:402
332899484,38cyclictest0-21swapper/209:33:442
332899484,38cyclictest0-21swapper/209:20:002
332899484,38cyclictest0-21swapper/206:52:242
332899483,40cyclictest0-21swapper/207:17:252
332899483,39cyclictest0-21swapper/211:17:072
332899483,39cyclictest0-21swapper/209:47:022
332899483,39cyclictest0-21swapper/207:42:332
332899483,18cyclictest0-21swapper/208:07:022
331999483,17cyclictest0-21swapper/010:26:580
3319994818,6cyclictest5998-21aten_rbpower_cu12:02:120
3319994815,6cyclictest6859-21seq08:17:060
3319994815,6cyclictest15639-21timerwakeupswit08:37:380
3319994813,7cyclictest13605-21swap08:32:360
3319994813,7cyclictest13605-21swap08:32:360
333499474,37cyclictest0-21swapper/306:57:303
333499474,34cyclictest0-21swapper/307:17:103
333499474,10cyclictest0-21swapper/307:37:293
332899477,35cyclictest0-21swapper/208:37:312
332899475,37cyclictest0-21swapper/209:52:192
332899474,38cyclictest0-21swapper/207:40:232
332899474,37cyclictest0-21swapper/211:07:182
332899474,37cyclictest0-21swapper/210:52:072
332899474,37cyclictest0-21swapper/207:32:192
332899473,38cyclictest0-21swapper/209:37:272
332899473,38cyclictest0-21swapper/208:32:352
332899473,38cyclictest0-21swapper/208:32:352
331999474,36cyclictest0-21swapper/007:42:370
331999474,17cyclictest0-21swapper/008:12:090
331999474,16cyclictest0-21swapper/011:12:390
3319994716,7cyclictest16897-21expr10:07:310
3319994714,6cyclictest32753-21ntpq07:57:340
3319994713,7cyclictest12888-21seq07:05:150
3319994713,7cyclictest12888-21seq07:05:150
333499469,32cyclictest28236-21runrttasks07:47:133
333499467,33cyclictest7538-21latency_hist06:52:113
333499465,35cyclictest9318-21latency_hist06:57:113
333499464,37cyclictest0-21swapper/307:25:033
333499464,36cyclictest0-21swapper/308:37:263
332899464,37cyclictest0-21swapper/211:44:382
332899464,36cyclictest0-21swapper/207:50:002
332899463,38cyclictest0-21swapper/206:58:482
331999464,18cyclictest0-21swapper/007:47:370
331999463,19cyclictest0-21swapper/009:29:250
3319994615,6cyclictest643-21runrttasks07:57:070
3319994613,7cyclictest25408-21sensors_fan07:37:380
333499453,37cyclictest0-21swapper/307:53:333
333499452,37cyclictest0-21swapper/308:22:093
332899454,34cyclictest0-21swapper/208:22:222
332899453,9cyclictest0-21swapper/207:12:372
332899453,7cyclictest14920-21crond07:12:092
332899453,7cyclictest14920-21crond07:12:092
332399454,36cyclictest0-21swapper/106:42:241
331999454,16cyclictest0-21swapper/006:57:260
333499445,35cyclictest0-21swapper/308:02:143
333499444,35cyclictest0-21swapper/308:29:023
333499444,35cyclictest0-21swapper/308:12:373
333499444,35cyclictest0-21swapper/306:45:143
333499444,10cyclictest0-21swapper/307:02:243
333499444,10cyclictest0-21swapper/307:02:243
332899444,36cyclictest0-21swapper/208:07:102
332899443,36cyclictest0-21swapper/208:17:352
332899443,36cyclictest0-21swapper/207:52:272
331999444,18cyclictest0-21swapper/008:28:100
331999444,17cyclictest0-21swapper/009:22:320
3319994415,5cyclictest22630-21aten_rbpower_cu07:32:190
333499434,9cyclictest0-21swapper/308:34:383
333499434,9cyclictest0-21swapper/308:34:383
333499434,9cyclictest0-21swapper/307:20:393
333499434,10cyclictest0-21swapper/307:58:043
332899433,35cyclictest0-21swapper/206:42:362
326642433,7sleep10-21swapper/107:57:321
298952433,7sleep10-21swapper/108:59:131
172752433,7sleep10-21swapper/110:51:511
144612433,7sleep10-21swapper/110:04:381
333499424,34cyclictest0-21swapper/307:46:083
331999424,18cyclictest0-21swapper/007:17:390
288532423,7sleep10-21swapper/111:48:301
288532423,7sleep10-21swapper/111:48:301
17982425,8sleep20-21swapper/206:37:262
317612413,7sleep10-21swapper/109:44:411
203762413,8sleep10-21swapper/109:29:361
186102413,7sleep10-21swapper/107:21:391
332399392,31cyclictest9668-21sed09:57:361
27452394,8sleep10-21swapper/106:38:091
123162393,31sleep10-21swapper/108:30:241
3323993828,6cyclictest10865-21grep10:42:261
173902382,30sleep117448-21ps08:42:351
3323993724,8cyclictest22326-21taskset10:57:291
188623712,17sleep30-21swapper/306:37:273
3323993623,8cyclictest32685-21sort09:02:361
23842363,7sleep10-21swapper/108:02:391
332399354,26cyclictest0-21swapper/111:57:201
3323993523,7cyclictest15703-21rm11:32:151
281223511,18sleep00-21swapper/006:38:570
69082342,26sleep16946-21fschecks_count09:12:211
332399344,26cyclictest0-21swapper/112:08:321
332399344,26cyclictest0-21swapper/109:21:591
332399344,25cyclictest0-21swapper/108:55:091
3323993423,7cyclictest3854-21sed10:32:351
126992344,7sleep10-21swapper/107:02:561
126992344,7sleep10-21swapper/107:02:561
39182331,27sleep13949-21smart_sda09:07:341
332399335,22cyclictest0-21swapper/111:52:411
332399334,25cyclictest0-21swapper/109:23:111
332399334,24cyclictest0-21swapper/111:06:401
332399334,24cyclictest0-21swapper/111:06:401
332399334,24cyclictest0-21swapper/108:37:341
332399333,26cyclictest0-21swapper/110:15:151
332399333,26cyclictest0-21swapper/110:15:151
332399333,25cyclictest5877-21grep09:52:371
3323993321,7cyclictest20756-21sed11:37:351
332399324,24cyclictest0-21swapper/111:31:341
332399324,24cyclictest0-21swapper/109:35:141
3323993222,6cyclictest17058-21timerandwakeup10:07:341
3323993221,7cyclictest4603-21taskset08:07:401
332399315,22cyclictest0-21swapper/110:52:101
332399314,24cyclictest0-21swapper/110:20:301
332399314,23cyclictest0-21swapper/110:37:411
332399314,22cyclictest0-21swapper/111:23:331
332399314,22cyclictest0-21swapper/109:51:321
332399314,22cyclictest0-21swapper/109:37:381
332399314,22cyclictest0-21swapper/107:08:341
332399314,22cyclictest0-21swapper/107:08:341
332399314,21cyclictest0-21swapper/106:52:251
332399313,23cyclictest0-21swapper/108:49:311
332399313,23cyclictest0-21swapper/107:42:101
332399313,22cyclictest0-21swapper/108:32:221
332399313,22cyclictest0-21swapper/108:32:221
3323993121,6cyclictest9889-21cut06:57:271
3323993120,6cyclictest23699-21idleruntime11:42:191
332399305,20cyclictest0-21swapper/107:32:271
332399305,20cyclictest0-21swapper/107:17:101
332399305,19cyclictest0-21swapper/108:17:201
332399304,22cyclictest0-21swapper/110:27:201
332399304,21cyclictest0-21swapper/111:08:171
332399304,21cyclictest0-21swapper/108:12:221
3323993020,6cyclictest21643-21sendmail_mailtr07:27:371
3323993019,7cyclictest10185-21sed08:22:401
3323993016,8cyclictest28275-21awk10:22:311
3323993014,12cyclictest967-21if_eth211:12:211
332399295,11cyclictest0-21swapper/107:47:471
332399294,20cyclictest0-21swapper/111:17:081
3323992919,6cyclictest19119-21fschecks_count07:22:231
332399284,20cyclictest0-21swapper/107:44:131
3323992817,7cyclictest7443-21crond06:52:101
332399275,17cyclictest0-21swapper/107:52:271
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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