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2025-12-19 - 22:14
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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 Dec 19, 2025 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
327612680,3sleep2281ktimersoftd/207:16:412
2769699643,6cyclictest0-21swapper/312:26:423
2769699613,52cyclictest0-21swapper/311:56:453
2769699612,7cyclictest4913-21ps10:21:413
2769699592,7cyclictest23952-21/usr/sbin/munin08:21:503
2769699592,7cyclictest23952-21/usr/sbin/munin08:21:503
2767899591,53cyclictest30071-21crond11:31:150
2718025711,39sleep30-21swapper/307:03:153
2769699563,46cyclictest0-21swapper/311:07:183
27690995516,34cyclictest8457-21sort10:31:362
2767899553,46cyclictest0-21swapper/012:16:360
2767899545,42cyclictest0-21swapper/008:46:520
27678995310,37cyclictest0-21swapper/009:01:400
27696995224,24cyclictest30522-21cut07:11:353
2769699522,44cyclictest29047-21ntpq07:06:433
2769699515,40cyclictest22147-21aten_rbpower_en08:16:313
2769699515,39cyclictest24713-21aten_rbpower_en11:16:283
2769099515,39cyclictest0-21swapper/210:26:382
2769099513,42cyclictest0-21swapper/211:56:402
2767899517,9cyclictest31069-21fschecks_count10:06:300
2767899513,42cyclictest0-21swapper/008:30:280
2767899513,42cyclictest0-21swapper/008:30:280
27678995113,5cyclictest11936-21latency_hist09:16:180
2769699503,41cyclictest14401-21switchtime10:46:433
2769699503,40cyclictest382-21systemd-journal11:46:243
2769699502,42cyclictest18153-21grep09:31:333
27696995017,28cyclictest14768-21tr12:16:253
27696995013,31cyclictest5264-21load08:56:383
2769099503,41cyclictest0-21swapper/208:06:112
2768299503,41cyclictest0-21swapper/108:00:311
2767899504,39cyclictest0-21swapper/009:23:300
2767899503,41cyclictest0-21swapper/008:36:430
2769699496,37cyclictest20953-21ntpdc08:11:393
2769699496,37cyclictest13455-21ntp_kernel_pll_07:51:413
2769699495,38cyclictest6167-21open_inodes11:51:393
2769699493,40cyclictest25043-21grep09:51:183
2769699493,40cyclictest23153-21crond09:46:173
2769699493,39cyclictest2875-21missed_timers10:16:373
2769699493,39cyclictest25856-21wget08:26:293
2769699493,39cyclictest25856-21wget08:26:293
2769699492,40cyclictest32050-21/usr/sbin/munin08:41:383
27696994917,27cyclictest1285-21cut08:46:343
27696994916,28cyclictest638-21runrttasks07:50:133
27696994916,27cyclictest638-21runrttasks11:36:303
27696994916,27cyclictest638-21runrttasks11:36:303
27696994914,30cyclictest17043-21latency08:01:383
27696994913,30cyclictest5494-21sort07:31:353
2769099494,39cyclictest0-21swapper/210:41:322
2769099494,39cyclictest0-21swapper/208:06:402
2769099493,40cyclictest0-21swapper/210:51:332
2767899494,39cyclictest0-21swapper/011:06:380
27678994910,35cyclictest554-21dbus-daemon07:51:200
2769699489,34cyclictest11649-21missed_timers12:06:343
2769699489,33cyclictest28870-21if_err_eth211:26:333
2769699487,35cyclictest6540-21latency10:26:353
2769699487,35cyclictest22984-21entropy11:11:283
2769699486,36cyclictest32536-21kernelversion07:16:373
2769699486,36cyclictest31736-21processes10:06:413
2769699486,36cyclictest19721-21runrttasks08:08:043
2769699485,37cyclictest9762-21aten_rbpower_po10:36:273
2769699485,37cyclictest561-21rs:main3
2769699485,37cyclictest16186-21fschecks_time09:26:303
2769699484,39cyclictest15350-21/usr/sbin/munin10:51:273
2769699484,37cyclictest8953-21timerwakeupswit10:31:443
2769699483,7cyclictest1510-21munin-node07:21:313
2769699483,40cyclictest12505-21switchtime10:41:433
2769699483,39cyclictest26885-21taskset09:56:143
2769699482,15cyclictest4285-21ps08:54:303
27696994815,28cyclictest17336-21ntp_kernel_pll_12:21:343
27696994813,30cyclictest9805-21processes07:41:443
27696994812,31cyclictest11057-21open_files09:11:413
2769699481,42cyclictest2328-21grep11:41:363
2769099485,10cyclictest0-21swapper/210:16:472
2769099484,11cyclictest0-21swapper/207:06:362
2769099483,39cyclictest0-21swapper/212:27:392
2769099483,39cyclictest0-21swapper/210:36:402
2769099483,39cyclictest0-21swapper/208:13:242
2767899484,38cyclictest0-21swapper/012:01:260
2767899484,38cyclictest0-21swapper/011:41:330
2767899484,38cyclictest0-21swapper/011:36:380
2767899484,38cyclictest0-21swapper/011:36:380
2767899484,38cyclictest0-21swapper/008:57:280
2767899484,38cyclictest0-21swapper/007:56:300
2767899484,12cyclictest0-21swapper/009:06:490
2767899483,40cyclictest0-21swapper/012:08:240
2767899483,39cyclictest0-21swapper/011:46:250
27678994812,30cyclictest0-21swapper/009:20:410
2769699478,33cyclictest7041-21sh09:01:353
2769699477,34cyclictest8604-21entropy09:06:323
2769699476,36cyclictest30413-21cpu11:31:263
2769699476,36cyclictest30413-21cpu11:31:263
2769699475,36cyclictest7667-21latency07:36:413
2769699475,36cyclictest12354-21forks09:16:323
2769699474,37cyclictest497-21fschecks_count10:11:313
2769699474,37cyclictest4332-21switchtime07:26:463
2769699473,7cyclictest14766-21sh07:56:323
2769699473,38cyclictest20501-21egrep12:31:253
2769699473,37cyclictest9580-21if_err_eth212:01:313
2769699473,37cyclictest17178-21sshd10:56:253
27696994718,24cyclictest14353-21tune2fs09:21:323
27696994714,28cyclictest27124-21aten_rbpower_cu09:56:263
27696994713,29cyclictest12970-21aten_rbpower_vo12:11:253
2769099474,9cyclictest0-21swapper/210:21:352
2769099474,10cyclictest0-21swapper/212:24:232
2768299474,38cyclictest0-21swapper/109:49:421
2768299474,38cyclictest0-21swapper/108:11:201
2768299473,38cyclictest0-21swapper/109:35:541
2768299473,38cyclictest0-21swapper/107:07:301
2767899476,35cyclictest0-21swapper/007:31:450
2767899474,37cyclictest0-21swapper/011:56:320
2767899474,37cyclictest0-21swapper/010:01:430
2767899474,37cyclictest0-21swapper/008:46:180
2767899474,36cyclictest0-21swapper/012:21:230
2767899473,38cyclictest0-21swapper/011:51:420
2767899473,38cyclictest0-21swapper/008:51:350
2767899473,38cyclictest0-21swapper/008:21:330
2767899473,38cyclictest0-21swapper/008:21:330
2767899473,38cyclictest0-21swapper/007:51:430
2767899473,38cyclictest0-21swapper/007:11:320
2767899473,37cyclictest0-21swapper/008:31:500
27678994713,29cyclictest19411-21latency_hist09:36:180
27678994710,32cyclictest0-21swapper/009:41:380
2769699466,35cyclictest30139-21latency08:36:383
2769699465,35cyclictest29195-21forks10:01:313
2769699463,37cyclictest27373-21taskset11:21:423
27696994614,27cyclictest638-21runrttasks09:38:283
2769099464,36cyclictest0-21swapper/212:33:262
2769099464,10cyclictest0-21swapper/211:11:532
2768299467,33cyclictest16155-21processes10:51:411
2768299464,9cyclictest0-21swapper/111:51:451
2768299464,9cyclictest0-21swapper/111:21:371
2768299464,36cyclictest0-21swapper/110:50:561
2768299464,36cyclictest0-21swapper/110:44:511
2768299464,36cyclictest0-21swapper/109:51:231
2768299464,36cyclictest0-21swapper/108:16:441
2768299464,36cyclictest0-21swapper/107:46:321
2768299464,36cyclictest0-21swapper/107:36:201
2767899466,34cyclictest0-21swapper/010:11:420
2767899466,34cyclictest0-21swapper/007:21:310
2767899464,37cyclictest0-21swapper/011:16:010
2767899464,36cyclictest0-21swapper/009:46:280
2767899464,36cyclictest0-21swapper/007:36:450
2767899463,9cyclictest19807-21diskstats09:36:320
2767899463,38cyclictest0-21swapper/007:26:430
2767899463,37cyclictest331-21runrttasks07:16:430
2767899463,37cyclictest0-21swapper/011:31:260
2767899463,37cyclictest0-21swapper/011:31:260
2767899463,37cyclictest0-21swapper/011:23:100
2767899463,37cyclictest0-21swapper/010:56:450
2767899463,37cyclictest0-21swapper/009:51:460
2767899463,37cyclictest0-21swapper/007:41:330
2767899463,17cyclictest0-21swapper/009:56:370
274312468,14sleep10-21swapper/107:06:151
2769699454,34cyclictest19064-21/usr/sbin/munin11:01:253
2769099457,5cyclictest0-21swapper/210:46:462
2769099454,35cyclictest0-21swapper/208:16:212
2768299454,10cyclictest0-21swapper/110:36:411
2768299453,37cyclictest0-21swapper/109:36:331
2768299453,36cyclictest2229-21/usr/sbin/munin10:16:271
2768299453,36cyclictest0-21swapper/107:36:321
2767899455,34cyclictest0-21swapper/009:26:390
2767899454,36cyclictest0-21swapper/010:26:320
2767899453,36cyclictest0-21swapper/012:11:320
2767899453,36cyclictest0-21swapper/011:17:200
2767899453,36cyclictest0-21swapper/008:11:310
2767899453,36cyclictest0-21swapper/008:10:550
2767899453,35cyclictest0-21swapper/011:01:390
2767899453,35cyclictest0-21swapper/008:20:410
2769099444,33cyclictest0-21swapper/211:16:332
2768299444,35cyclictest0-21swapper/110:11:471
2768299444,34cyclictest0-21swapper/108:11:341
2768299444,11cyclictest0-21swapper/110:56:331
2768299444,11cyclictest0-21swapper/110:28:021
2768299443,8cyclictest17591-21awk12:21:401
2768299443,35cyclictest0-21swapper/107:41:401
2767899443,36cyclictest0-21swapper/012:26:340
2767899443,35cyclictest0-21swapper/010:21:170
2767899443,34cyclictest0-21swapper/012:36:140
2768299434,9cyclictest0-21swapper/107:14:361
2768299434,7cyclictest0-21swapper/111:56:311
2768299433,8cyclictest0-21swapper/111:16:371
2768299433,35cyclictest0-21swapper/107:16:351
2767899433,35cyclictest0-21swapper/008:04:590
2767899433,34cyclictest0-21swapper/007:08:580
152982433,8sleep00-21swapper/010:51:200
2769099423,34cyclictest0-21swapper/211:01:482
2767899423,34cyclictest0-21swapper/010:31:480
160592423,7sleep20-21swapper/212:17:212
49732413,7sleep20-21swapper/207:30:422
27690994132,5cyclictest29-21ksoftirqd/211:31:152
2768299414,31cyclictest0-21swapper/108:01:221
2767899414,32cyclictest0-21swapper/010:21:430
267122413,7sleep20-21swapper/209:54:122
134532413,7sleep20-21swapper/209:17:062
2768299403,33cyclictest0-21swapper/110:31:221
223812403,7sleep20-21swapper/211:08:482
160432403,6sleep10-21swapper/112:17:081
119052403,7sleep20-21swapper/209:15:572
43612393,6sleep10-21swapper/108:55:281
311382393,30sleep20-21swapper/208:40:242
304622393,7sleep20-21swapper/210:04:022
278902383,6sleep20-21swapper/208:31:342
230582383,6sleep10-21swapper/109:45:131
185452383,7sleep20-21swapper/210:57:382
83962373,7sleep20-21swapper/207:36:582
27690993725,7cyclictest21282-21crond09:41:172
2768299373,29cyclictest0-21swapper/112:06:171
271272373,28sleep20-21swapper/208:27:122
271272373,28sleep20-21swapper/208:27:122
253052373,7sleep20-21swapper/208:22:452
253052373,7sleep20-21swapper/208:22:452
104412373,7sleep20-21swapper/212:02:122
9122363,7sleep20-21swapper/208:46:232
4532363,6sleep10-21swapper/108:44:131
293212363,7sleep10-21swapper/108:36:001
27690993624,7cyclictest1567-21tr07:21:312
2767899364,27cyclictest0-21swapper/010:36:310
2728823612,17sleep20-21swapper/207:04:312
265882363,7sleep10-21swapper/108:26:431
265882363,7sleep10-21swapper/108:26:431
31762353,6sleep10-21swapper/111:44:571
2768299353,27cyclictest0-21swapper/112:03:591
2768299353,26cyclictest0-21swapper/112:31:331
123192353,27sleep20-21swapper/207:49:132
286802343,7sleep20-21swapper/210:00:032
2768299344,26cyclictest0-21swapper/111:48:371
2768299343,26cyclictest0-21swapper/112:11:161
27682993422,7cyclictest30716-21idleruntime11:31:311
27682993422,7cyclictest30716-21idleruntime11:31:311
2715223411,17sleep00-21swapper/007:02:520
137372343,6sleep10-21swapper/109:20:311
2769099334,24cyclictest0-21swapper/211:36:302
2769099334,24cyclictest0-21swapper/211:36:302
2769099333,24cyclictest0-21swapper/212:09:242
27690993321,7cyclictest27058-21uname11:21:362
2769099332,25cyclictest5667-21grep11:51:302
2768299335,22cyclictest0-21swapper/107:26:451
2768299334,24cyclictest0-21swapper/111:11:421
2768299334,22cyclictest0-21swapper/109:21:281
27682993322,7cyclictest5121-21timerandwakeup10:21:451
27682993321,7cyclictest19547-21cat12:26:421
300532323,6sleep10-21swapper/111:31:051
2769099323,23cyclictest0-21swapper/210:15:172
27690993221,7cyclictest31909-21cat10:06:442
2769099322,23cyclictest31492-21cut08:41:292
27690993218,8cyclictest15246-21grep09:21:482
2768299325,21cyclictest0-21swapper/108:49:381
2768299324,23cyclictest0-21swapper/107:51:341
2768299323,22cyclictest0-21swapper/109:06:321
2767899324,23cyclictest0-21swapper/010:43:370
175092323,7sleep20-21swapper/209:30:542
2769099314,21cyclictest0-21swapper/211:46:522
2769099313,23cyclictest0-21swapper/208:55:192
27690993121,6cyclictest14787-21fschecks_count07:56:332
27690993120,6cyclictest18760-21awk09:31:462
27690993119,7cyclictest6083-21sshd08:58:282
27690993117,8cyclictest9074-21ls09:06:392
2768299314,22cyclictest0-21swapper/109:26:381
2768299314,21cyclictest0-21swapper/110:01:351
2768299314,21cyclictest0-21swapper/108:36:421
2768299313,24cyclictest0-21swapper/110:08:301
2768299313,24cyclictest0-21swapper/109:16:151
27682993121,6cyclictest19834-21open_files11:01:381
27682993120,7cyclictest23952-21/usr/sbin/munin08:21:481
27682993120,7cyclictest23952-21/usr/sbin/munin08:21:481
27682993112,13cyclictest0-21swapper/109:56:271
2769099304,20cyclictest0-21swapper/209:01:402
2769099304,20cyclictest0-21swapper/207:52:292
2769099303,22cyclictest0-21swapper/207:45:212
27690993019,6cyclictest31232-21sort07:11:492
27690993011,15cyclictest14481-21runrttasks12:15:492
2768299304,21cyclictest0-21swapper/111:36:321
2768299304,21cyclictest0-21swapper/111:36:321
2768299304,21cyclictest0-21swapper/107:21:401
2768299303,22cyclictest0-21swapper/109:01:491
27682993019,6cyclictest5074-21hwlatdetect08:56:341
2769099294,19cyclictest0-21swapper/207:31:302
27690992917,7cyclictest23542-21df_inode09:46:292
27678992919,6cyclictest14301-21processes10:46:410
2769099284,18cyclictest0-21swapper/211:31:252
2769099284,18cyclictest0-21swapper/211:31:252
2769099284,18cyclictest0-21swapper/209:41:292
27690992816,7cyclictest2900-21users11:41:462
27682992818,6cyclictest21106-21df_inode11:06:301
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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