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2026-04-03 - 11:32
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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 highest latencies:
System rackbslot4.osadl.org (updated Fri Apr 03, 2026 00:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
295762800,9sleep1125799cyclictest22:36:541
127499621,55cyclictest21468-21ssh23:09:393
1274996122,34cyclictest638-21runrttasks20:33:283
127499609,45cyclictest6883-21/usr/sbin/munin19:50:373
1274996011,43cyclictest31785-21/usr/sbin/munin19:30:383
127499588,44cyclictest14942-21/usr/sbin/munin18:45:303
1274995818,34cyclictest14163-21diskmemload20:18:063
1274995812,39cyclictest17127-21/usr/sbin/munin22:20:363
1274995811,41cyclictest28147-21sed21:10:333
1257995849,5cyclictest21-21ksoftirqd/120:50:121
127499579,42cyclictest23911-21ssh23:11:453
127499579,14cyclictest1861-21/usr/sbin/munin18:10:403
1274995720,32cyclictest0-21swapper/323:25:403
1274995720,32cyclictest0-21swapper/323:25:403
1274995713,38cyclictest0-21swapper/322:27:503
1274995711,40cyclictest20375-21latency21:00:313
1274995710,41cyclictest0-21swapper/323:31:183
125799573,49cyclictest0-21swapper/120:35:221
125799573,49cyclictest0-21swapper/120:35:221
127499568,42cyclictest15488-21ssh20:54:473
127499564,46cyclictest0-21swapper/322:37:403
1274995614,36cyclictest3733-21/usr/sbin/munin22:45:353
1274995610,40cyclictest16226-21ssh21:37:123
127499555,44cyclictest16137-21ssh20:55:233
127499552,47cyclictest565-21irqbalance21:05:223
1274995513,36cyclictest0-21swapper/322:09:253
1274995510,9cyclictest32549-21grep21:15:433
125799552,8cyclictest30314-21missed_timers23:20:291
127499549,40cyclictest8715-21diskstats22:10:243
127499549,40cyclictest8715-21diskstats22:10:243
127499549,39cyclictest9566-21ntp_states23:35:323
127499549,39cyclictest8599-21/usr/sbin/munin20:45:243
127499549,39cyclictest13481-21timerandwakeup22:15:403
127499548,40cyclictest20550-21/usr/sbin/munin19:00:273
127499548,39cyclictest6991-21fschecks_count22:50:243
127499547,41cyclictest15023-21/usr/sbin/munin20:10:333
127499543,7cyclictest20041-21ssh21:42:113
1274995414,35cyclictest27035-21processes19:15:393
1274995412,36cyclictest10621-21/usr/sbin/munin20:00:283
1274995411,37cyclictest11266-21sendmail_mailqu21:30:383
1274995410,38cyclictest27163-21grep20:25:453
1274995410,38cyclictest16814-21/usr/sbin/munin18:50:413
125799545,44cyclictest0-21swapper/121:19:511
125799543,45cyclictest0-21swapper/120:25:431
87025310,15sleep20-21swapper/218:08:332
7932537,16sleep10-21swapper/118:07:361
127499539,38cyclictest24388-21sed22:30:283
127499539,38cyclictest15312-21sendmail_mailqu23:00:363
1274995311,36cyclictest1002-21df_inode22:00:233
1274995310,38cyclictest13038-21ssh22:58:033
1274995310,37cyclictest18680-21/usr/sbin/munin18:55:313
125799534,43cyclictest0-21swapper/123:05:411
125799534,4cyclictest0-21swapper/123:16:091
125799533,44cyclictest0-21swapper/123:14:091
125799532,6cyclictest19889-21ssh21:41:511
125799532,18cyclictest11162-21ssh23:37:501
127499528,38cyclictest31772-21fschecks_time22:40:253
127499528,38cyclictest31196-21ssh23:20:583
127499528,38cyclictest22593-21iostat20:20:303
127499524,42cyclictest12509-21/usr/sbin/munin20:05:323
127499523,17cyclictest0-21swapper/319:47:383
1274995213,33cyclictest0-21swapper/321:51:383
1274995212,34cyclictest0-21swapper/323:16:173
1274995212,34cyclictest0-21swapper/320:45:113
1274995211,35cyclictest627-21snmpd19:23:553
1274995210,37cyclictest3145-21/usr/sbin/munin19:40:413
1274995210,37cyclictest3145-21/usr/sbin/munin19:40:413
1274995210,36cyclictest3675-21smart_sda21:20:403
1274995210,36cyclictest3675-21smart_sda21:20:403
1274995210,36cyclictest1272-21/usr/sbin/munin19:35:353
1274995210,36cyclictest1272-21/usr/sbin/munin19:35:353
125799524,10cyclictest0-21swapper/122:19:401
125799523,43cyclictest0-21swapper/123:27:191
125799523,43cyclictest0-21swapper/123:27:191
127499519,36cyclictest8919-21df_inode19:55:253
127499517,37cyclictest2849-21sh20:36:523
127499517,37cyclictest2849-21sh20:36:523
127499515,40cyclictest0-21swapper/321:29:593
127499515,39cyclictest0-21swapper/321:45:553
1274995115,30cyclictest29915-21/usr/sbin/munin19:25:353
1274995110,35cyclictest30206-21/usr/sbin/munin21:55:343
1266995112,34cyclictest0-21swapper/221:21:112
1266995112,34cyclictest0-21swapper/221:21:112
125799514,41cyclictest0-21swapper/122:40:171
125799514,41cyclictest0-21swapper/120:56:541
125799513,43cyclictest0-21swapper/123:00:201
125799512,43cyclictest31829-21ssh20:32:371
125499514,41cyclictest0-21swapper/022:48:010
125499513,42cyclictest14976-21ntp_states21:35:370
1274995010,34cyclictest22437-21/usr/sbin/munin19:05:333
125799508,37cyclictest0-21swapper/118:22:431
125799504,41cyclictest0-21swapper/121:56:051
125799504,39cyclictest0-21swapper/122:45:291
125799504,10cyclictest0-21swapper/119:34:531
125799503,43cyclictest0-21swapper/122:26:101
125799503,41cyclictest8254-21ssh23:34:461
125799503,23cyclictest10012-21kworker/1:121:33:501
1254995035,11cyclictest0-21swapper/020:23:030
125499501,4cyclictest41ktimersoftd/021:05:420
1274994910,12cyclictest24307-21/usr/sbin/munin19:10:393
125799494,40cyclictest0-21swapper/120:54:001
125799493,41cyclictest0-21swapper/121:26:111
125799493,41cyclictest0-21swapper/121:24:411
125799493,41cyclictest0-21swapper/121:24:411
125799493,41cyclictest0-21swapper/120:24:431
1257994912,31cyclictest0-21swapper/120:11:121
125499498,35cyclictest0-21swapper/023:30:450
125499494,39cyclictest0-21swapper/023:25:280
125499494,39cyclictest0-21swapper/023:25:280
125499493,40cyclictest0-21swapper/023:10:100
125799488,35cyclictest0-21swapper/118:35:421
125799484,38cyclictest0-21swapper/121:11:091
125799484,38cyclictest0-21swapper/121:02:351
125799484,38cyclictest0-21swapper/120:16:141
125799484,37cyclictest0-21swapper/122:06:391
125799483,8cyclictest0-21swapper/122:58:391
125799483,41cyclictest0-21swapper/122:52:591
125799483,40cyclictest0-21swapper/122:31:501
125799483,40cyclictest0-21swapper/122:12:301
125799483,40cyclictest0-21swapper/122:12:301
125799483,39cyclictest0-21swapper/121:45:231
125799483,39cyclictest0-21swapper/118:30:321
125799482,40cyclictest13074-21/usr/sbin/munin18:40:351
1257994810,33cyclictest27910-21cat19:20:151
125499484,39cyclictest0-21swapper/020:27:330
125499484,38cyclictest0-21swapper/023:38:460
125499484,38cyclictest0-21swapper/020:45:290
125499484,38cyclictest0-21swapper/018:55:400
125499483,40cyclictest0-21swapper/021:57:110
1274994714,29cyclictest327-21jbd2/dm-1-818:43:553
126699474,37cyclictest0-21swapper/221:58:102
126699474,37cyclictest0-21swapper/220:57:092
126699473,39cyclictest0-21swapper/218:40:552
125799474,37cyclictest0-21swapper/122:20:181
125799474,37cyclictest0-21swapper/121:53:221
125499474,38cyclictest0-21swapper/022:42:420
125499474,38cyclictest0-21swapper/021:03:140
125499474,38cyclictest0-21swapper/019:05:370
125499474,37cyclictest0-21swapper/023:11:150
125499474,37cyclictest0-21swapper/020:42:230
125499473,39cyclictest0-21swapper/020:32:320
292062463,7sleep00-21swapper/023:19:520
125799465,7cyclictest0-21swapper/122:01:311
125799464,37cyclictest0-21swapper/118:25:271
125799464,36cyclictest0-21swapper/121:35:301
125799463,39cyclictest0-21swapper/121:10:121
125499467,33cyclictest0-21swapper/022:53:450
125499465,16cyclictest0-21swapper/021:47:420
125499464,37cyclictest0-21swapper/022:25:250
125499464,37cyclictest0-21swapper/018:33:240
125499464,36cyclictest0-21swapper/022:20:250
125499464,36cyclictest0-21swapper/022:18:200
125499464,36cyclictest0-21swapper/022:05:310
125499464,36cyclictest0-21swapper/020:56:420
125499464,10cyclictest0-21swapper/019:55:360
125499463,6cyclictest0-21swapper/021:13:220
125499463,38cyclictest0-21swapper/020:35:400
125499463,38cyclictest0-21swapper/020:35:400
323512453,34sleep032395-21/usr/sbin/munin18:05:340
126699458,32cyclictest0-21swapper/221:47:132
126699457,32cyclictest0-21swapper/220:36:242
126699457,32cyclictest0-21swapper/220:36:242
126699455,34cyclictest0-21swapper/221:02:312
126699455,33cyclictest0-21swapper/220:15:162
126699454,36cyclictest0-21swapper/222:42:202
126699452,38cyclictest15649-21unixbench_multi23:00:402
125799459,31cyclictest0-21swapper/119:20:401
125799454,34cyclictest0-21swapper/120:40:151
125799453,37cyclictest0-21swapper/118:12:011
125499454,36cyclictest0-21swapper/023:24:340
125499454,36cyclictest0-21swapper/023:02:210
125499454,36cyclictest0-21swapper/021:25:310
125499454,36cyclictest0-21swapper/020:15:490
125499454,36cyclictest0-21swapper/019:26:040
125499454,35cyclictest0-21swapper/022:30:410
125499454,35cyclictest0-21swapper/022:10:460
125499454,35cyclictest0-21swapper/022:10:460
125499453,7cyclictest0-21swapper/018:26:050
125499453,37cyclictest0-21swapper/022:35:560
125499453,37cyclictest0-21swapper/021:42:510
1254994511,5cyclictest0-21swapper/021:51:090
155432443,7sleep00-21swapper/020:54:550
126699445,33cyclictest0-21swapper/223:37:352
126699445,33cyclictest0-21swapper/221:32:252
126699444,15cyclictest0-21swapper/221:17:062
125799444,7cyclictest0-21swapper/118:15:271
125799443,37cyclictest0-21swapper/119:56:101
125799443,36cyclictest0-21swapper/119:40:341
125799443,36cyclictest0-21swapper/119:40:341
125499445,34cyclictest0-21swapper/020:14:380
125499444,9cyclictest0-21swapper/022:03:210
125499444,35cyclictest0-21swapper/021:15:530
125499444,35cyclictest0-21swapper/020:06:320
125499443,36cyclictest0-21swapper/021:20:170
125499443,36cyclictest0-21swapper/021:20:170
125499443,36cyclictest0-21swapper/018:39:350
125499443,35cyclictest0-21swapper/023:00:100
1254994412,27cyclictest0-21swapper/018:15:370
315002433,6sleep20-21swapper/223:21:392
219352433,6sleep20-21swapper/223:10:122
127499435,33cyclictest0-21swapper/318:15:313
126699435,7cyclictest0-21swapper/220:49:182
126699435,33cyclictest0-21swapper/220:23:382
125799434,34cyclictest0-21swapper/118:45:261
125799433,9cyclictest0-21swapper/119:36:271
125799433,9cyclictest0-21swapper/119:36:271
125799433,34cyclictest10795-21diskstats20:00:261
125499434,7cyclictest0-21swapper/021:30:400
125499434,35cyclictest0-21swapper/018:21:000
125499434,34cyclictest0-21swapper/019:22:240
125499434,34cyclictest0-21swapper/018:42:050
125499433,35cyclictest0-21swapper/018:45:460
125799423,34cyclictest0-21swapper/119:55:141
125799423,34cyclictest0-21swapper/119:46:231
125499424,9cyclictest0-21swapper/020:01:280
125499424,34cyclictest0-21swapper/019:30:400
31542413,6sleep20-21swapper/223:27:062
31542413,6sleep20-21swapper/223:27:062
126699413,34cyclictest0-21swapper/218:50:492
126699413,33cyclictest0-21swapper/221:29:342
126699413,33cyclictest0-21swapper/218:45:532
125499414,32cyclictest0-21swapper/019:50:330
259912403,6sleep20-21swapper/220:25:272
126699403,31cyclictest18162-21cut20:15:142
37762382,28sleep23852-21/usr/sbin/munin22:45:372
26452383,7sleep00-21swapper/019:36:550
26452383,7sleep00-21swapper/019:36:550
183952383,7sleep00-21swapper/018:54:300
126699384,29cyclictest0-21swapper/221:39:412
75602373,6sleep20-21swapper/222:08:462
202632373,6sleep10-21swapper/118:59:301
127499374,28cyclictest0-21swapper/318:20:353
77923613,17sleep30-21swapper/318:07:303
289662363,6sleep20-21swapper/223:19:222
1274993620,11cyclictest7578-21cpu18:25:273
126699364,26cyclictest0-21swapper/222:59:222
1254993624,7cyclictest21583-21wc19:00:410
33632353,6sleep20-21swapper/218:13:322
126699354,27cyclictest0-21swapper/222:15:342
126699354,25cyclictest0-21swapper/222:33:492
126699353,28cyclictest0-21swapper/218:21:252
1266993512,16cyclictest1052-21latency_hist19:35:162
125799353,26cyclictest0-21swapper/118:50:251
1257993524,6cyclictest543-21systemd-logind19:15:151
290302343,6sleep20-21swapper/221:11:112
126699345,24cyclictest0-21swapper/222:27:342
126699344,24cyclictest0-21swapper/222:14:492
126699344,24cyclictest0-21swapper/222:14:492
126699343,26cyclictest0-21swapper/223:30:282
126699343,26cyclictest0-21swapper/221:09:252
126699343,26cyclictest0-21swapper/218:35:252
1266993425,5cyclictest29-21ksoftirqd/220:35:132
1266993423,6cyclictest8149-21latency_hist20:45:132
1266993422,7cyclictest21715-21crond23:10:102
1274993319,9cyclictest11309-21aten_rbpower_vo18:35:263
1274993313,14cyclictest9443-21cut18:30:263
126699334,24cyclictest0-21swapper/222:00:242
126699333,26cyclictest0-21swapper/220:51:252
1266993323,6cyclictest26255-21tr19:15:252
125799333,25cyclictest0-21swapper/119:25:181
126699324,24cyclictest0-21swapper/222:20:162
126699324,24cyclictest0-21swapper/220:07:412
126699324,23cyclictest0-21swapper/218:30:452
126699323,24cyclictest0-21swapper/221:41:212
126699323,23cyclictest0-21swapper/222:50:272
126699314,23cyclictest0-21swapper/220:00:512
126699314,22cyclictest0-21swapper/218:25:402
126699313,24cyclictest0-21swapper/222:36:392
126699313,24cyclictest0-21swapper/218:19:352
126699313,23cyclictest0-21swapper/221:51:022
126699313,23cyclictest0-21swapper/219:25:302
1266993121,6cyclictest18873-21cut18:55:292
1254993120,6cyclictest3593-21latency_hist18:15:160
126699304,22cyclictest0-21swapper/219:42:392
126699304,22cyclictest0-21swapper/219:42:392
126699303,23cyclictest0-21swapper/219:02:182
126699303,22cyclictest0-21swapper/219:45:242
1266993019,7cyclictest9915-21unixbench_multi19:55:422
1257993010,15cyclictest554-21dbus-daemon20:10:131
126699294,20cyclictest0-21swapper/219:35:322
126699294,20cyclictest0-21swapper/219:35:322
125799293,20cyclictest0-21swapper/119:00:251
1257992917,7cyclictest22547-21cpu19:05:271
125499294,21cyclictest0-21swapper/019:10:270
1254992915,10cyclictest0-21swapper/019:15:400
126699284,20cyclictest0-21swapper/219:52:362
126699284,18cyclictest0-21swapper/219:05:262
126699282,22cyclictest28785-21grep19:20:352
125499282,21cyclictest5257-21cut19:45:280
126699274,19cyclictest0-21swapper/219:10:332
1254992714,8cyclictest3267-21cpu19:40:260
1254992714,8cyclictest3267-21cpu19:40:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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