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2026-06-18 - 20:02
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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 376 highest latencies:
System rackbslot4.osadl.org (updated Thu Jun 18, 2026 12:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
923621070,6sleep10-21swapper/111:11:291
2295699860,52cyclictest1281-21ssh10:17:500
2295699803,71cyclictest0-21swapper/009:34:180
2295699754,65cyclictest0-21swapper/012:00:250
2295699714,61cyclictest0-21swapper/009:26:580
2295699712,63cyclictest29775-21/usr/sbin/munin09:29:140
2295699712,30cyclictest20513-21kworker/0:309:40:380
2295699712,28cyclictest7590-21ssh11:53:430
2295699703,22cyclictest0-21swapper/011:19:060
2295699702,5cyclictest20513-21kworker/0:310:09:480
188342700,3sleep041ktimersoftd/009:14:080
188342700,3sleep041ktimersoftd/009:14:080
2295699694,59cyclictest0-21swapper/011:45:250
2295699693,4cyclictest0-21swapper/012:18:520
2295699692,61cyclictest23212-21runrttasks10:46:530
2295699692,61cyclictest23212-21runrttasks10:46:530
2295699692,28cyclictest18096-21ssh09:13:180
22956996910,53cyclictest0-21swapper/010:43:340
2295699682,60cyclictest7001-21aten_rbpower_vo11:09:040
2295699682,60cyclictest564-21dbus-daemon09:03:560
2295699682,60cyclictest28420-21fschecks_count10:54:080
2295699682,60cyclictest27221-21ssh10:52:310
22956996811,51cyclictest0-21swapper/010:20:360
2295699679,52cyclictest0-21swapper/011:39:030
2295699676,56cyclictest7408-21ssh10:24:540
2295699673,59cyclictest8955-21sed09:44:110
2295699673,58cyclictest28506-21ssh11:38:010
2295699672,60cyclictest21358-21runrttasks10:00:130
2295699672,60cyclictest21358-21runrttasks10:00:130
2295699672,60cyclictest16229-21fschecks_time09:54:090
2295699672,59cyclictest562-21rs:main0
2295699672,59cyclictest562-21rs:main0
2295699672,59cyclictest3472-21diskmemload10:30:510
2295699672,59cyclictest20320-21ls12:09:230
2295699672,59cyclictest20320-21ls12:09:230
2295699668,52cyclictest0-21swapper/008:55:500
2295699663,33cyclictest23917-21sh09:19:450
2295699662,59cyclictest507-21missed_timers08:44:150
2295699662,58cyclictest13934-21ssh09:50:090
22956996611,50cyclictest0-21swapper/011:23:590
22956996611,49cyclictest0-21swapper/011:08:000
2295699652,57cyclictest7650irq/23-ehci_hcd09:06:380
2295699652,57cyclictest358-21kworker/0:211:54:350
2295699652,57cyclictest28989-21ssh12:21:490
2295699652,57cyclictest21745-21/usr/sbin/munin11:29:170
2295699652,57cyclictest21745-21/usr/sbin/munin11:29:170
2295699652,57cyclictest1616-21ssh11:01:060
2295699652,57cyclictest15538-21/usr/sbin/munin12:04:040
2295699652,57cyclictest13187-21ssh10:33:560
2295699643,55cyclictest12596-21ssh11:15:420
2295699642,57cyclictest9677-21latency_hist07:43:580
2295699642,56cyclictest25843-21ssh10:06:570
2295699642,56cyclictest13395-21latency_hist07:53:590
2295699634,53cyclictest0-21swapper/007:33:590
2295699633,54cyclictest0-21swapper/008:13:580
2295699633,54cyclictest0-21swapper/008:13:580
2295699623,53cyclictest25264-21sshd08:24:120
2295699623,53cyclictest11646-21latency_hist07:48:590
2295699612,53cyclictest25216-21munin-run06:58:590
2295699603,52cyclictest7776-21munin-run07:38:580
2295699603,51cyclictest24672-21latency_hist08:23:570
2295699603,28cyclictest0-21swapper/007:08:590
2295699602,52cyclictest17344-21sshd08:04:000
2295699593,51cyclictest0-21swapper/007:28:480
2295699593,49cyclictest0-21swapper/008:33:570
2295699583,22cyclictest0-21swapper/008:38:570
2296099574,47cyclictest0-21swapper/109:53:471
2295699573,48cyclictest0-21swapper/007:13:590
2295699563,47cyclictest32264-21latency_hist08:43:570
2296099553,47cyclictest0-21swapper/112:11:081
2296099553,47cyclictest0-21swapper/112:11:081
2296099552,47cyclictest3945-21diskstats08:54:091
2296099544,44cyclictest0-21swapper/111:46:151
2295699542,47cyclictest27133-21latency_hist07:03:590
2296099534,43cyclictest0-21swapper/111:51:141
2296099534,43cyclictest0-21swapper/110:29:471
2296099534,25cyclictest0-21swapper/110:10:011
2295699537,41cyclictest0-21swapper/007:54:240
2296099526,40cyclictest3472-21diskmemload09:59:471
2296099526,40cyclictest3472-21diskmemload09:59:471
2296099525,9cyclictest0-21swapper/110:19:471
2296099525,41cyclictest0-21swapper/107:09:191
2296099524,42cyclictest0-21swapper/112:04:501
2296099524,42cyclictest0-21swapper/110:46:261
2296099524,42cyclictest0-21swapper/110:46:261
2296099524,42cyclictest0-21swapper/109:16:191
2296099524,42cyclictest0-21swapper/109:16:191
227062529,35sleep00-21swapper/006:53:530
2296099517,38cyclictest0-21swapper/111:31:351
2296099517,38cyclictest0-21swapper/111:31:351
2296099514,41cyclictest0-21swapper/111:20:301
2296099513,43cyclictest0-21swapper/111:16:561
2296099513,42cyclictest32278-21cut08:43:571
2296099512,43cyclictest573-21irqbalance09:01:291
2295699513,43cyclictest0-21swapper/007:59:080
22974995041,5cyclictest37-21ksoftirqd/307:43:583
2296099504,40cyclictest0-21swapper/111:55:331
2296099504,40cyclictest0-21swapper/111:42:081
2296099504,40cyclictest0-21swapper/111:26:351
2296099504,40cyclictest0-21swapper/111:00:271
2296099504,40cyclictest0-21swapper/110:34:451
2296099503,42cyclictest0-21swapper/110:50:461
2296099503,42cyclictest0-21swapper/110:24:471
2296099503,41cyclictest0-21swapper/111:59:121
2296099503,41cyclictest0-21swapper/109:44:481
22960995012,32cyclictest0-21swapper/109:27:481
2296099498,35cyclictest0-21swapper/109:39:411
2296099495,38cyclictest0-21swapper/110:14:031
2296099494,40cyclictest0-21swapper/112:22:441
2296099494,40cyclictest0-21swapper/109:29:591
2296099494,39cyclictest0-21swapper/111:34:131
2296099494,39cyclictest0-21swapper/110:39:261
2296099494,39cyclictest0-21swapper/107:18:591
2296099493,40cyclictest0-21swapper/109:10:281
22960994911,32cyclictest0-21swapper/112:15:401
22960994911,32cyclictest0-21swapper/108:49:231
22960994910,33cyclictest0-21swapper/110:54:351
22960994910,33cyclictest0-21swapper/110:07:201
22974994815,28cyclictest23232-21open_files09:19:203
2296099484,39cyclictest0-21swapper/108:19:211
2296099484,38cyclictest0-21swapper/109:54:061
2296099484,38cyclictest0-21swapper/109:22:521
2296099483,40cyclictest0-21swapper/107:35:291
2296099483,39cyclictest0-21swapper/106:59:231
2296099482,8cyclictest4010-21ntp_states11:04:161
22960994813,5cyclictest12747-21sh09:04:411
22956994812,30cyclictest0-21swapper/008:49:260
2297499474,37cyclictest0-21swapper/312:14:153
22974994710,5cyclictest0-21swapper/309:24:383
2296099474,37cyclictest0-21swapper/109:34:201
2296099474,37cyclictest0-21swapper/106:54:191
2296099473,39cyclictest0-21swapper/108:09:251
2296099473,39cyclictest0-21swapper/108:09:251
2296099473,39cyclictest0-21swapper/107:52:021
2296099473,38cyclictest27981-21grep07:04:191
2296099464,37cyclictest0-21swapper/107:54:271
2296099463,38cyclictest0-21swapper/108:14:001
2296099463,38cyclictest0-21swapper/108:14:001
2296099463,38cyclictest0-21swapper/108:04:101
2296099463,38cyclictest0-21swapper/107:59:141
2296099463,38cyclictest0-21swapper/107:39:201
2296099463,36cyclictest10028-21df_inode07:44:091
2295699466,35cyclictest32033-21timerandwakeup07:14:260
2295699463,39cyclictest0-21swapper/007:19:120
264552453,36sleep30-21swapper/310:50:513
2296099459,5cyclictest0-21swapper/108:26:491
2296099454,35cyclictest0-21swapper/108:31:501
2296099452,37cyclictest2391-21/usr/sbin/munin07:24:151
2296099444,12cyclictest0-21swapper/107:21:381
2296099443,9cyclictest0-21swapper/108:44:221
2296099443,36cyclictest0-21swapper/108:34:231
2296099442,7cyclictest4717-21if_eth207:29:141
22974994334,5cyclictest37-21ksoftirqd/309:43:553
2297499433,35cyclictest0-21swapper/310:54:173
2296999435,7cyclictest0-21swapper/212:19:162
210992433,7sleep30-21swapper/309:16:453
210992433,7sleep30-21swapper/309:16:453
60082423,7sleep30-21swapper/308:56:163
235932423,6sleep30-21swapper/311:30:243
235932423,6sleep30-21swapper/311:30:243
2296999423,34cyclictest0-21swapper/209:30:132
2296999423,33cyclictest23045-21munin-node06:54:012
44222413,6sleep20-21swapper/211:49:062
160922413,6sleep30-21swapper/309:54:083
316022393,6sleep20-21swapper/211:41:422
22974993927,7cyclictest28356-21crond08:33:563
2296999394,29cyclictest0-21swapper/210:21:342
2219523912,19sleep10-21swapper/106:49:271
176582393,6sleep20-21swapper/212:06:252
164082393,6sleep20-21swapper/207:59:262
300592383,6sleep30-21swapper/310:13:043
284612383,6sleep20-21swapper/209:26:382
22974993820,14cyclictest5423-21timerwakeupswit11:49:233
22969993829,5cyclictest29-21ksoftirqd/211:33:532
22969993829,5cyclictest29-21ksoftirqd/211:33:532
13622383,6sleep30-21swapper/311:00:333
127372383,7sleep20-21swapper/209:04:412
254522373,7sleep30-21swapper/308:24:173
22974993728,5cyclictest37-21ksoftirqd/310:33:543
22974993725,7cyclictest3465-21sadc08:53:563
2296999374,28cyclictest0-21swapper/210:52:312
22969993725,8cyclictest29-21ksoftirqd/209:13:562
2250423714,17sleep30-21swapper/306:51:303
141802373,6sleep30-21swapper/309:07:523
2297499364,28cyclictest0-21swapper/311:12:553
22974993625,7cyclictest23541-21grep08:19:153
2296999364,27cyclictest0-21swapper/209:34:182
2296999363,28cyclictest0-21swapper/210:45:512
2296999363,28cyclictest0-21swapper/210:45:512
2232123612,17sleep20-21swapper/206:49:282
94312353,6sleep20-21swapper/209:00:342
253112353,6sleep20-21swapper/209:22:522
241282353,5sleep30-21swapper/310:48:543
2297499353,27cyclictest0-21swapper/311:34:053
22974993524,7cyclictest18836-21awk11:24:143
2296999354,26cyclictest0-21swapper/208:19:192
2296999354,26cyclictest0-21swapper/208:09:092
2296999354,26cyclictest0-21swapper/208:09:092
228742353,6sleep20-21swapper/210:03:372
228742353,6sleep20-21swapper/210:03:372
132682353,7sleep20-21swapper/209:49:242
61502343,6sleep20-21swapper/211:07:532
324812343,6sleep20-21swapper/207:16:362
2297499343,28cyclictest0-21swapper/311:08:003
22974993423,6cyclictest2434-21cut10:19:093
22974993422,8cyclictest19911-21grep08:09:193
22974993422,8cyclictest19911-21grep08:09:193
22974993422,7cyclictest13584-21tune2fs10:34:083
2296999344,25cyclictest0-21swapper/208:04:112
2296999343,26cyclictest0-21swapper/208:29:092
2296999343,26cyclictest0-21swapper/207:44:102
22969993422,7cyclictest3755-21/usr/sbin/munin08:54:252
22969993410,18cyclictest0-21swapper/207:54:162
38652333,7sleep30-21swapper/307:26:553
22974993321,7cyclictest4375-21egrep07:29:093
2296999339,18cyclictest0-21swapper/209:14:062
2296999339,18cyclictest0-21swapper/209:14:062
2296999334,25cyclictest0-21swapper/212:11:362
2296999334,25cyclictest0-21swapper/212:11:362
2296999334,25cyclictest0-21swapper/208:26:492
2296999334,24cyclictest0-21swapper/212:17:332
2296999334,23cyclictest0-21swapper/211:34:102
2296999333,27cyclictest0-21swapper/209:48:342
2296999333,26cyclictest0-21swapper/210:24:162
2296999333,26cyclictest0-21swapper/208:14:092
2296999333,26cyclictest0-21swapper/208:14:092
22969993320,8cyclictest2501-21sshd11:03:022
22969993320,8cyclictest0-21swapper/210:39:042
2297499329,18cyclictest21957-21awk08:14:203
2297499329,18cyclictest21957-21awk08:14:203
2297499324,24cyclictest0-21swapper/311:46:453
2297499323,24cyclictest17523-21sed10:39:133
2297499323,15cyclictest240152if_err_eth206:54:143
22974993222,6cyclictest27572-21grep12:19:183
22974993221,7cyclictest7038-21smart_sda07:34:253
22974993220,7cyclictest20870-21grep09:59:243
22974993220,7cyclictest20870-21grep09:59:243
22974993219,8cyclictest17595-21fschecks_count08:04:113
22974993217,10cyclictest29488-21smart_sda08:34:223
2296999323,25cyclictest0-21swapper/211:23:042
2296999323,25cyclictest0-21swapper/208:34:102
2296999323,24cyclictest0-21swapper/209:42:032
22969993220,7cyclictest12510-21open_files11:59:172
22969993220,7cyclictest11857-21cut07:49:092
156482322,23sleep315658-21diskstats07:59:103
269492313,6sleep30-21swapper/307:02:333
2297499314,22cyclictest0-21swapper/308:59:063
2297499314,21cyclictest0-21swapper/307:19:163
2297499313,25cyclictest0-21swapper/311:21:013
2297499313,23cyclictest0-21swapper/311:53:583
22974993122,5cyclictest37-21ksoftirqd/309:53:553
22974993121,6cyclictest14108-21interrupts07:54:143
22974993119,7cyclictest6606-21ntpdc10:24:173
22974993119,7cyclictest12069-21grep09:48:563
2296999314,23cyclictest0-21swapper/210:34:042
2296999314,23cyclictest0-21swapper/207:43:052
2296999314,22cyclictest0-21swapper/211:44:112
2296999314,21cyclictest0-21swapper/210:29:062
2296999313,23cyclictest0-21swapper/210:54:112
2296999313,23cyclictest0-21swapper/208:39:032
22969993121,6cyclictest31178-21idleruntime10:14:092
22969993119,7cyclictest543-21systemd-logind09:53:562
2297499304,22cyclictest0-21swapper/311:43:053
2297499304,21cyclictest0-21swapper/311:58:553
2297499304,21cyclictest0-21swapper/309:09:433
2297499304,21cyclictest0-21swapper/307:14:203
2297499303,23cyclictest0-21swapper/312:06:253
2297499303,21cyclictest370-21systemd-journal07:44:003
22974993019,6cyclictest643-21runrttasks11:14:063
22974993019,6cyclictest30091-21switchtime07:09:273
22974993019,6cyclictest20420-21grep12:09:243
22974993019,6cyclictest20420-21grep12:09:243
22974993018,7cyclictest564-21dbus-daemon08:44:563
2296999304,22cyclictest0-21swapper/210:13:292
2296999304,22cyclictest0-21swapper/208:49:092
2296999304,21cyclictest0-21swapper/211:14:202
2296999303,24cyclictest0-21swapper/207:36:502
22969993020,6cyclictest926-21cut07:19:142
22969993019,7cyclictest19397-21sed11:24:232
22969993018,7cyclictest23841-21iostat10:04:112
22969993017,7cyclictest2780-21fschecks_time07:24:142
22974992920,6cyclictest29087-21latency_hist07:08:593
22974992919,6cyclictest643-21runrttasks09:33:563
22974992919,6cyclictest23768-21idleruntime10:04:103
22974992916,8cyclictest30873-21cpu10:14:053
2296999295,19cyclictest0-21swapper/211:08:592
2296999294,21cyclictest0-21swapper/211:57:142
2296999293,22cyclictest0-21swapper/208:44:032
2297499284,19cyclictest0-21swapper/310:44:093
2297499284,19cyclictest0-21swapper/309:34:023
22974992818,6cyclictest11859-21cpu07:49:093
22974992816,6cyclictest30448-21aten_rbpower_cu08:39:073
22969992817,7cyclictest30186-21sed07:09:282
22969992815,8cyclictest551-21ntpd06:59:222
2296999281,15cyclictest279612missed_timers07:04:182
2296999272,20cyclictest4259-21/usr/sbin/munin07:29:082
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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