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2026-09-01 - 19:54
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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 Sep 01, 2026 12:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3195599704,61cyclictest0-21swapper/310:38:383
3160926011,18sleep10-21swapper/106:12:421
3160926011,18sleep10-21swapper/106:12:421
3195599574,46cyclictest0-21swapper/309:31:113
3194499575,46cyclictest0-21swapper/110:04:101
3194499575,46cyclictest0-21swapper/110:04:101
3193999574,47cyclictest0-21swapper/010:14:000
3195599564,46cyclictest0-21swapper/309:40:103
3195599554,6cyclictest0-21swapper/310:17:203
3195599554,46cyclictest0-21swapper/308:49:263
3195599554,44cyclictest0-21swapper/308:26:423
3195599544,43cyclictest0-21swapper/310:09:303
31955995414,35cyclictest12677-21kworker/3:011:09:573
3194499545,43cyclictest0-21swapper/108:29:091
3194499545,43cyclictest0-21swapper/108:29:091
3193999544,44cyclictest0-21swapper/009:25:410
3193999544,44cyclictest0-21swapper/009:25:410
3193999543,46cyclictest0-21swapper/010:18:500
3146125410,37sleep30-21swapper/306:10:513
3146125410,37sleep30-21swapper/306:10:513
3195599534,43cyclictest0-21swapper/307:48:503
3195599533,23cyclictest0-21swapper/308:58:443
3193999532,45cyclictest27788-21ssh10:43:490
3195599526,40cyclictest0-21swapper/309:54:513
3195599524,42cyclictest0-21swapper/309:09:313
3195599523,7cyclictest0-21swapper/310:44:323
3195599522,18cyclictest21490-21ssh11:18:273
31955995213,5cyclictest0-21swapper/309:49:073
3193999523,42cyclictest0-21swapper/009:43:540
3195599516,40cyclictest0-21swapper/310:22:503
3195599515,39cyclictest0-21swapper/309:06:083
3195599514,41cyclictest0-21swapper/308:08:533
3195599514,22cyclictest0-21swapper/308:31:203
3195599514,22cyclictest0-21swapper/308:31:203
3195599513,42cyclictest0-21swapper/310:54:193
3195599513,42cyclictest0-21swapper/310:54:193
3195599513,42cyclictest0-21swapper/309:58:403
31955995111,34cyclictest10712sleep310:08:383
31955995111,34cyclictest10712sleep310:08:383
31955995110,35cyclictest0-21swapper/311:06:513
3194999514,41cyclictest0-21swapper/208:43:292
3193999515,40cyclictest0-21swapper/011:17:380
3193999514,41cyclictest0-21swapper/009:15:010
3193999513,42cyclictest0-21swapper/010:31:090
3195599508,36cyclictest35-21rcuc/310:25:303
3195599507,37cyclictest0-21swapper/310:34:363
3195599506,38cyclictest0-21swapper/308:14:463
3195599505,39cyclictest0-21swapper/308:43:583
3195599505,39cyclictest0-21swapper/308:40:153
3195599505,39cyclictest0-21swapper/306:44:123
3195599504,41cyclictest0-21swapper/307:47:043
3195599504,40cyclictest0-21swapper/311:39:283
3195599504,40cyclictest0-21swapper/310:52:093
3195599503,42cyclictest0-21swapper/308:56:233
3195599503,41cyclictest0-21swapper/311:29:283
3195599503,41cyclictest0-21swapper/309:18:113
3194999504,39cyclictest0-21swapper/209:54:062
3194499502,9cyclictest18071-21/usr/sbin/munin11:14:081
3193999504,40cyclictest0-21swapper/010:49:290
3193999504,10cyclictest0-21swapper/010:24:490
3193999503,5cyclictest0-21swapper/009:22:210
3195599496,37cyclictest0-21swapper/311:21:023
3195599496,37cyclictest0-21swapper/309:44:493
3195599494,6cyclictest0-21swapper/311:26:283
3195599494,40cyclictest0-21swapper/309:34:313
3193999495,11cyclictest0-21swapper/009:28:510
3193999494,40cyclictest0-21swapper/010:13:370
3193999494,39cyclictest0-21swapper/010:53:390
3193999494,39cyclictest0-21swapper/010:53:390
3193999494,38cyclictest0-21swapper/007:32:270
3193999493,41cyclictest0-21swapper/011:00:060
3193999493,41cyclictest0-21swapper/010:07:500
3193999493,41cyclictest0-21swapper/010:07:500
3193999493,40cyclictest0-21swapper/009:54:000
3193999492,41cyclictest28152-21kworker/0:109:10:010
3195599486,37cyclictest0-21swapper/311:36:373
3195599486,36cyclictest0-21swapper/311:00:353
3195599486,36cyclictest0-21swapper/306:34:083
3195599485,38cyclictest0-21swapper/306:29:063
3195599485,37cyclictest0-21swapper/307:27:443
3195599484,39cyclictest0-21swapper/308:18:503
3195599484,38cyclictest0-21swapper/308:35:363
3195599484,38cyclictest0-21swapper/308:35:363
3195599484,38cyclictest0-21swapper/306:19:083
3195599483,40cyclictest0-21swapper/309:20:313
3195599483,40cyclictest0-21swapper/307:03:523
3195599482,14cyclictest1129-21ssh09:24:023
3195599482,14cyclictest1129-21ssh09:24:023
31955994813,30cyclictest37-21ksoftirqd/306:43:423
3194999484,37cyclictest0-21swapper/210:08:432
3194999483,39cyclictest0-21swapper/211:04:002
3193999486,36cyclictest0-21swapper/009:04:530
3193999484,6cyclictest0-21swapper/008:56:410
3193999484,38cyclictest0-21swapper/010:00:260
3193999484,38cyclictest0-21swapper/009:38:180
3193999484,38cyclictest0-21swapper/008:32:090
3193999484,38cyclictest0-21swapper/008:32:090
3193999484,38cyclictest0-21swapper/007:23:560
3193999483,40cyclictest0-21swapper/008:48:220
3193999483,40cyclictest0-21swapper/007:34:060
3193999483,40cyclictest0-21swapper/007:34:060
3193999483,39cyclictest0-21swapper/008:26:120
3193999482,41cyclictest6131-21fschecks_time06:28:570
3193999482,40cyclictest17990-21kworker/0:011:29:580
3193999482,16cyclictest12828-21/usr/sbin/munin09:39:150
31939994812,30cyclictest0-21swapper/011:24:350
31939994811,31cyclictest0-21swapper/010:40:210
3195599474,36cyclictest0-21swapper/306:48:563
3195599473,38cyclictest0-21swapper/307:19:103
3195599473,38cyclictest0-21swapper/306:59:063
3195599473,37cyclictest0-21swapper/308:03:413
31955994710,4cyclictest35-21rcuc/310:31:163
3194999474,36cyclictest0-21swapper/210:50:342
3194499474,37cyclictest0-21swapper/110:09:161
3194499474,37cyclictest0-21swapper/109:09:191
3194499474,37cyclictest0-21swapper/108:44:191
3194499473,39cyclictest28730-21sensors08:34:061
3194499473,39cyclictest28730-21sensors08:34:061
3193999475,36cyclictest0-21swapper/010:36:270
3193999475,36cyclictest0-21swapper/008:59:130
3193999475,36cyclictest0-21swapper/008:49:540
3193999474,38cyclictest0-21swapper/008:18:520
3193999474,38cyclictest0-21swapper/007:13:580
3193999474,37cyclictest0-21swapper/011:13:210
3193999474,37cyclictest0-21swapper/009:48:390
31939994711,5cyclictest0-21swapper/008:41:090
31939994711,5cyclictest0-21swapper/008:37:030
31939994711,5cyclictest0-21swapper/008:37:030
31939994711,30cyclictest0-21swapper/011:03:450
31939994710,32cyclictest22629-21netstat11:18:570
3195599464,36cyclictest0-21swapper/306:24:143
3195599463,37cyclictest0-21swapper/306:13:573
3194999468,32cyclictest0-21swapper/211:29:102
3194999464,36cyclictest0-21swapper/210:54:012
3194999464,36cyclictest0-21swapper/210:54:012
3194999464,36cyclictest0-21swapper/209:14:142
3194999464,36cyclictest0-21swapper/208:19:182
3194999464,18cyclictest0-21swapper/211:33:592
3194499464,36cyclictest0-21swapper/109:49:111
3194499464,36cyclictest0-21swapper/108:19:491
3193999465,35cyclictest0-21swapper/011:33:500
3193999464,36cyclictest0-21swapper/011:38:410
3193999464,36cyclictest0-21swapper/008:14:410
3195599454,36cyclictest0-21swapper/306:53:433
3195599454,11cyclictest0-21swapper/308:03:563
3195599453,36cyclictest0-21swapper/307:39:093
3195599453,36cyclictest0-21swapper/307:39:093
3195599453,36cyclictest0-21swapper/307:18:423
3194999454,35cyclictest0-21swapper/210:04:292
3194999454,35cyclictest0-21swapper/210:04:292
3194999454,35cyclictest0-21swapper/209:29:192
3194999454,35cyclictest0-21swapper/209:24:002
3194999454,35cyclictest0-21swapper/209:24:002
3194999453,11cyclictest0-21swapper/209:03:592
3194499456,33cyclictest0-21swapper/110:14:121
3193999454,10cyclictest0-21swapper/006:38:420
3193999453,36cyclictest0-21swapper/007:53:580
3195599443,36cyclictest0-21swapper/307:09:123
3195599443,35cyclictest0-21swapper/307:33:553
3195599443,35cyclictest0-21swapper/307:33:553
3194999444,33cyclictest0-21swapper/210:22:132
3194499445,7cyclictest0-21swapper/109:18:451
3194499444,35cyclictest0-21swapper/111:42:331
3194499443,36cyclictest0-21swapper/110:34:031
31939994410,5cyclictest3767-21cat06:23:430
129892443,8sleep10-21swapper/111:06:281
3195599433,34cyclictest0-21swapper/307:33:423
3194499434,34cyclictest0-21swapper/110:43:591
3193999434,33cyclictest0-21swapper/006:13:570
3193999432,7cyclictest12511-21ssh08:13:400
172242433,8sleep10-21swapper/109:45:461
3195599423,34cyclictest0-21swapper/307:56:163
3194999425,7cyclictest0-21swapper/211:26:102
31944994232,5cyclictest21-21ksoftirqd/107:58:401
3193999423,9cyclictest0-21swapper/006:39:150
3193999423,34cyclictest0-21swapper/007:13:120
3193999423,33cyclictest0-21swapper/007:23:420
268942423,7sleep20-21swapper/208:32:302
268942423,7sleep20-21swapper/208:32:302
213712413,7sleep20-21swapper/209:08:442
142322413,7sleep10-21swapper/111:08:411
31944994032,4cyclictest19-21rcuc/109:38:381
31944994026,9cyclictest31842-21grep08:38:551
3193999403,8cyclictest0-21swapper/006:47:440
3193999403,7cyclictest0-21swapper/007:53:400
3193999403,6cyclictest0-21swapper/006:28:420
144742403,7sleep20-21swapper/209:42:542
107282403,8sleep10-21swapper/110:20:161
91212393,7sleep20-21swapper/206:36:452
84882393,7sleep10-21swapper/108:01:101
59342392,6sleep15943-21diskstats06:28:551
3194999394,30cyclictest0-21swapper/209:59:282
31949993925,10cyclictest21898-21sed07:09:112
3194499394,29cyclictest0-21swapper/111:23:421
31944993927,6cyclictest21-21ksoftirqd/108:53:391
210702393,8sleep10-21swapper/109:08:311
164622393,7sleep10-21swapper/106:55:071
290152383,7sleep10-21swapper/110:02:081
278452383,7sleep10-21swapper/107:26:541
203212383,7sleep20-21swapper/207:06:232
31944993726,6cyclictest21-21ksoftirqd/111:23:361
133522373,7sleep10-21swapper/108:57:571
3194999363,27cyclictest0-21swapper/209:43:432
31949993626,5cyclictest29-21ksoftirqd/206:18:422
31944993623,7cyclictest8044-21tune2fs06:33:581
3194499361,29cyclictest2107-21grep11:34:071
3193999364,27cyclictest0-21swapper/007:58:410
3154323611,18sleep20-21swapper/206:11:512
3154323611,18sleep20-21swapper/206:11:512
30282363,6sleep00-21swapper/007:47:530
199842362,7sleep120084-21grep07:04:121
182812363,6sleep00-21swapper/006:59:330
165392363,6sleep00-21swapper/006:56:030
10172362,30sleep11030-21ssh09:24:011
10172362,30sleep11030-21ssh09:24:011
3194499353,27cyclictest0-21swapper/111:30:211
3194499353,20cyclictest0-21swapper/108:13:461
31944993526,5cyclictest21-21ksoftirqd/106:23:421
313812353,7sleep10-21swapper/107:34:261
313812353,7sleep10-21swapper/107:34:261
207422353,7sleep10-21swapper/107:08:511
49422343,7sleep20-21swapper/207:53:272
3194999344,25cyclictest0-21swapper/208:27:112
3194999343,27cyclictest0-21swapper/209:51:342
31949993422,7cyclictest543-21systemd-logind10:43:372
3194499344,26cyclictest0-21swapper/109:30:491
3194499344,26cyclictest0-21swapper/109:17:491
31944993425,5cyclictest21-21ksoftirqd/107:40:081
31944993425,5cyclictest21-21ksoftirqd/107:40:081
17322343,7sleep10-21swapper/106:17:491
11652343,7sleep20-21swapper/207:43:002
11652343,7sleep20-21swapper/207:43:002
3194999333,26cyclictest0-21swapper/210:13:392
3194999333,26cyclictest0-21swapper/209:37:052
31949993324,5cyclictest29-21ksoftirqd/211:23:362
31949993322,7cyclictest31183-21timerwakeupswit07:34:112
31949993322,7cyclictest31183-21timerwakeupswit07:34:112
31949993321,7cyclictest28862-21/usr/sbin/munin09:19:042
3194499333,25cyclictest0-21swapper/109:56:551
31944993324,5cyclictest21-21ksoftirqd/110:33:371
31944993322,6cyclictest22600-21ksmtuned07:13:451
31944993321,7cyclictest1962-21uname07:43:591
31944993314,14cyclictest21-21ksoftirqd/106:43:521
3169023311,17sleep00-21swapper/006:13:370
3169023311,17sleep00-21swapper/006:13:370
20212332,26sleep12029-21ssh10:52:231
3194999324,24cyclictest0-21swapper/208:44:322
3194999324,22cyclictest0-21swapper/210:25:582
3194999324,21cyclictest0-21swapper/208:53:442
3194999323,25cyclictest0-21swapper/208:17:362
31949993222,6cyclictest19847-21sh10:33:372
31949993220,8cyclictest27727-21/usr/sbin/munin08:33:592
31949993220,8cyclictest27727-21/usr/sbin/munin08:33:592
31949993220,8cyclictest20146-21/usr/sbin/munin10:33:542
31949993220,7cyclictest23496-21sendmail_mailst07:14:072
31949993219,8cyclictest28960-21ntp_kernel_pll_07:29:032
31949993213,14cyclictest7454-21needreboot10:58:582
3194499324,23cyclictest0-21swapper/108:24:181
3194499324,22cyclictest0-21swapper/110:27:151
3194499323,24cyclictest0-21swapper/110:56:171
3194499323,24cyclictest0-21swapper/110:56:171
3194499323,24cyclictest0-21swapper/110:43:191
31944993223,5cyclictest21-21ksoftirqd/109:43:381
3193999324,23cyclictest0-21swapper/008:03:510
109912323,7sleep20-21swapper/206:41:482
3194999314,21cyclictest0-21swapper/207:43:592
3194999313,22cyclictest0-21swapper/208:58:412
31949993114,12cyclictest5502-21processes11:39:012
3194499314,23cyclictest0-21swapper/111:03:221
3194499314,22cyclictest0-21swapper/107:29:041
3194499314,22cyclictest0-21swapper/106:28:211
3194499313,24cyclictest0-21swapper/109:03:191
31944993116,9cyclictest549-21NetworkManager06:58:431
3194999304,21cyclictest0-21swapper/208:49:362
3194999304,20cyclictest0-21swapper/207:23:572
3194999303,22cyclictest0-21swapper/207:01:092
31949993021,5cyclictest13021-21crond06:48:422
31949993020,6cyclictest31404-21latency_hist10:48:382
31949993015,10cyclictest5917-21awk07:54:022
31944993017,8cyclictest10240-21ntpq06:39:051
31944993013,13cyclictest0-21swapper/108:04:031
31944993013,12cyclictest0-21swapper/107:48:561
3194999293,20cyclictest0-21swapper/206:24:042
3194999292,22cyclictest7164-21wget07:58:522
3194999292,21cyclictest15590-21ethtool06:53:592
3194499294,19cyclictest0-21swapper/108:12:431
31944992917,7cyclictest572-21gdbus07:23:411
31944992917,7cyclictest14157-21smart_sda06:49:101
3193999293,20cyclictest0-21swapper/007:38:460
3193999293,20cyclictest0-21swapper/007:38:460
3193999293,20cyclictest0-21swapper/007:03:520
31939992920,5cyclictest14893-21sadc06:53:420
3194999284,19cyclictest0-21swapper/206:49:112
3194999283,15cyclictest0-21swapper/207:19:292
3194999282,20cyclictest17771-21crond11:13:372
31949992819,5cyclictest29-21ksoftirqd/208:08:402
31949992817,6cyclictest6552-21open_inodes06:29:072
31949992815,8cyclictest15056-21netstat11:08:582
3194999274,18cyclictest0-21swapper/206:18:592
31949992718,5cyclictest29-21ksoftirqd/208:13:402
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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