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2026-08-01 - 22:16
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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 Sat Aug 01, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2747321240,5sleep027474-21wc10:15:480
3033499591,53cyclictest13221-21kworker/u8:206:30:262
30334995825,27cyclictest1507-21/usr/sbin/munin10:25:332
3032899575,46cyclictest0-21swapper/109:41:201
3032899573,48cyclictest0-21swapper/110:11:151
3032899573,48cyclictest0-21swapper/108:53:311
3032899573,48cyclictest0-21swapper/108:53:311
30334995623,28cyclictest14990-21/usr/sbin/munin08:35:462
3032899566,6cyclictest0-21swapper/111:18:481
3032899564,46cyclictest0-21swapper/111:42:171
3032899563,47cyclictest0-21swapper/111:53:071
30334995521,29cyclictest2095-21ntpq11:50:372
3033499544,44cyclictest5268-21latency_hist09:05:182
3033499543,46cyclictest16596-21grep07:15:502
30334995417,31cyclictest13589-21idleruntime09:15:362
30334995416,33cyclictest643-21runrttasks09:39:582
3032899545,12cyclictest0-21swapper/110:01:491
3032899544,45cyclictest0-21swapper/108:06:271
3032199544,45cyclictest0-21swapper/009:58:590
3032199544,44cyclictest0-21swapper/009:28:160
3002925410,15sleep20-21swapper/206:29:422
3033499533,7cyclictest3849-21ssh09:45:332
30334995323,24cyclictest5220-21crond08:15:192
30334995317,30cyclictest18869-21uniq11:30:312
30334995315,32cyclictest32757-21latency08:00:392
30334995314,33cyclictest847-21idleruntime06:35:362
30334995314,33cyclictest3935-21latency_hist06:45:222
30334995314,32cyclictest25360-21timerandwakeup10:55:442
30334995313,34cyclictest5364-21unixbench_singl06:45:512
30334995311,35cyclictest29638-21sshd07:50:512
3032899536,41cyclictest0-21swapper/109:17:501
3032899534,44cyclictest0-21swapper/111:20:271
3032899533,44cyclictest0-21swapper/110:38:381
3032899533,44cyclictest0-21swapper/110:19:091
30328995312,35cyclictest30475-21latency11:45:351
30328995312,35cyclictest24281-21ssh11:37:051
3032199535,7cyclictest0-21swapper/011:37:170
3032199535,42cyclictest0-21swapper/008:44:110
3032199534,43cyclictest0-21swapper/011:34:200
3032199534,42cyclictest0-21swapper/011:15:260
3032199533,44cyclictest0-21swapper/009:35:290
3034099524,42cyclictest0-21swapper/311:20:473
3034099521,46cyclictest37-21ksoftirqd/308:32:013
30334995216,30cyclictest27275-21date07:45:422
30334995216,30cyclictest27275-21date07:45:422
30334995215,32cyclictest643-21runrttasks09:00:102
30334995214,33cyclictest643-21runrttasks06:50:592
30334995214,32cyclictest5633-21fschecks_count08:15:352
30334995213,33cyclictest643-21runrttasks07:31:322
30334995213,33cyclictest30992-21processes10:20:422
30334995213,33cyclictest23384-21timerandwakeup11:35:452
30334995213,32cyclictest21937-21unixbench-2d09:25:482
30334995212,33cyclictest30666-21tune2fs07:55:342
3032899525,42cyclictest0-21swapper/110:23:291
3032899525,41cyclictest0-21swapper/110:25:251
3032899524,11cyclictest0-21swapper/109:29:101
3032899522,6cyclictest17906-21ssh09:20:461
30328995211,36cyclictest27423-21ssh09:34:091
3032899521,44cyclictest18654-21df_inode11:30:291
3032199524,43cyclictest0-21swapper/010:48:080
3032199524,42cyclictest0-21swapper/009:48:100
3033499513,7cyclictest19170-21/usr/sbin/munin10:05:352
30334995118,27cyclictest643-21runrttasks10:34:242
30334995115,31cyclictest2214-21kernelversion08:05:382
30334995114,32cyclictest643-21runrttasks07:35:582
30334995114,32cyclictest16053-21sh10:00:482
30334995113,31cyclictest9661-21latency10:35:352
30334995113,31cyclictest26811-21needreboot11:40:362
30334995112,32cyclictest12692-21timerwakeupswit07:05:502
3032899518,37cyclictest6923-21sshd08:18:211
3032899517,39cyclictest21413-21ssh10:08:391
3032899513,43cyclictest0-21swapper/108:57:511
3032899512,18cyclictest8029-21ssh11:59:061
3032199519,37cyclictest0-21swapper/008:47:110
3032199514,6cyclictest0-21swapper/011:13:280
3032199514,6cyclictest0-21swapper/011:13:280
3032199514,42cyclictest0-21swapper/010:00:550
3032199514,40cyclictest0-21swapper/010:13:090
3032199513,42cyclictest26317-21ssh09:31:480
3034099505,39cyclictest0-21swapper/309:15:323
3034099503,41cyclictest0-21swapper/311:00:463
3034099503,40cyclictest0-21swapper/309:32:003
3034099502,6cyclictest14937-21basename10:00:293
3033499508,36cyclictest20007-21sendmail_mailqu07:25:472
3033499503,41cyclictest0-21swapper/211:05:312
30334995022,22cyclictest8464-21grep08:20:512
3033499502,42cyclictest28034-21/usr/sbin/munin11:00:322
3033499502,42cyclictest11731-21latency09:55:402
30334995018,27cyclictest16771-21basename10:45:272
30334995016,29cyclictest21674-21timerwakeupswit10:50:452
30334995015,29cyclictest643-21runrttasks08:32:552
30334995014,31cyclictest643-21runrttasks09:07:502
30334995013,31cyclictest32274-21fschecks_count09:40:342
30334995013,31cyclictest23338-21missed_timers08:45:402
3032899509,36cyclictest14849-21latency_hist08:35:201
3032899507,37cyclictest15252-21latency_hist07:15:211
3032899505,39cyclictest16565-21unixbench_multi07:15:501
3032899505,39cyclictest0-21swapper/111:14:531
3032899505,39cyclictest0-21swapper/111:14:531
3032899505,39cyclictest0-21swapper/110:32:551
3032899504,41cyclictest0-21swapper/110:49:471
3032899504,40cyclictest0-21swapper/109:45:281
3032899503,42cyclictest0-21swapper/109:50:191
3032899503,42cyclictest0-21swapper/109:12:201
3032899503,42cyclictest0-21swapper/109:03:311
30328995014,31cyclictest20106-21unixbench_multi08:40:481
30328995012,6cyclictest1966-21ssh11:08:081
30328995012,32cyclictest13408-21iostat10:40:331
3032199504,40cyclictest0-21swapper/011:22:270
3032199503,5cyclictest0-21swapper/008:50:210
3032199503,5cyclictest0-21swapper/008:50:210
3032199503,42cyclictest0-21swapper/009:53:190
3032199503,41cyclictest23368-21ssh10:53:590
30321995015,30cyclictest21256-21sshd10:08:190
3034099499,33cyclictest0-21swapper/310:32:383
3034099495,38cyclictest0-21swapper/309:09:073
3034099494,39cyclictest0-21swapper/308:40:363
3034099494,39cyclictest0-21swapper/306:30:273
3034099494,19cyclictest0-21swapper/310:18:093
3034099493,41cyclictest0-21swapper/311:28:323
3033499495,7cyclictest0-21swapper/210:10:472
30334994914,30cyclictest643-21runrttasks07:02:502
30334994914,30cyclictest17650-21hwlatdetect07:20:382
30334994913,31cyclictest4551-21unixbench_multi11:10:462
30334994913,31cyclictest4551-21unixbench_multi11:10:462
30334994913,30cyclictest10849-21diskmemload11:49:012
30334994912,30cyclictest17163-21fschecks_count09:20:342
3032899499,34cyclictest0-21swapper/108:45:231
3032899498,35cyclictest25795-21ssh10:56:051
3032899498,35cyclictest17969-21ssh11:29:501
3032899498,35cyclictest0-21swapper/109:07:091
3032899494,39cyclictest0-21swapper/110:52:291
3032899493,10cyclictest0-21swapper/109:56:291
30328994918,6cyclictest29056-21ntp_kernel_pll_09:35:401
30328994910,34cyclictest29558-21ssh11:01:031
3032199499,35cyclictest0-21swapper/010:30:370
3032199494,40cyclictest0-21swapper/009:20:590
3032199494,40cyclictest0-21swapper/007:50:310
3032199494,39cyclictest0-21swapper/009:40:350
3032199494,39cyclictest0-21swapper/008:33:310
3032199494,38cyclictest0-21swapper/010:21:310
3032199494,38cyclictest0-21swapper/008:05:460
3032199493,39cyclictest0-21swapper/006:45:330
3032199493,39cyclictest0-21swapper/006:40:510
3032199492,41cyclictest18746-21kworker/0:110:41:280
3034099484,38cyclictest0-21swapper/311:40:233
3034099484,38cyclictest0-21swapper/311:10:553
3034099484,38cyclictest0-21swapper/311:10:553
3034099484,38cyclictest0-21swapper/311:08:513
3034099484,38cyclictest0-21swapper/310:45:523
3034099484,38cyclictest0-21swapper/310:08:553
3034099484,38cyclictest0-21swapper/309:45:463
3034099484,37cyclictest0-21swapper/311:56:193
3033499484,15cyclictest0-21swapper/210:40:292
3033499484,12cyclictest0-21swapper/211:25:262
3033499483,15cyclictest25164-21missed_timers09:30:402
3033499482,8cyclictest10423-21taskset11:19:582
30334994817,25cyclictest10740-21unixbench_singl09:10:502
30334994816,26cyclictest9372-21entropy08:25:322
30334994815,27cyclictest564-21dbus-daemon11:20:162
30334994814,28cyclictest7193-21seq11:57:192
3032899487,36cyclictest17367-21ssh08:37:531
3032899484,39cyclictest0-21swapper/106:37:291
3032899484,38cyclictest0-21swapper/107:30:391
3032899484,38cyclictest0-21swapper/106:55:361
3032199486,10cyclictest0-21swapper/008:00:420
3032199485,38cyclictest0-21swapper/008:56:120
3032199484,39cyclictest0-21swapper/008:40:200
3032199484,38cyclictest0-21swapper/011:57:510
3032199484,38cyclictest0-21swapper/011:52:160
3032199483,40cyclictest0-21swapper/011:28:270
3032199483,40cyclictest0-21swapper/011:06:480
3032199483,39cyclictest0-21swapper/011:42:270
30321994811,31cyclictest0-21swapper/010:26:510
3034099479,5cyclictest0-21swapper/310:21:013
3034099474,37cyclictest0-21swapper/310:42:093
3034099474,37cyclictest0-21swapper/310:10:513
3034099474,37cyclictest0-21swapper/309:41:063
3034099474,37cyclictest0-21swapper/308:56:493
3034099474,37cyclictest0-21swapper/308:52:063
3034099474,37cyclictest0-21swapper/308:52:063
3034099474,17cyclictest0-21swapper/309:55:573
3034099473,8cyclictest0-21swapper/309:04:413
3034099473,38cyclictest0-21swapper/310:55:303
3034099473,37cyclictest0-21swapper/309:24:223
3034099473,19cyclictest0-21swapper/309:52:503
30340994710,5cyclictest0-21swapper/309:35:593
3033499474,7cyclictest9126-21sh09:51:492
3033499473,7cyclictest27084-21/usr/sbin/munin10:15:412
3033499473,38cyclictest370-21systemd-journal08:52:212
3033499473,38cyclictest370-21systemd-journal08:52:212
3033499472,39cyclictest18805-21/usr/sbin/munin08:40:282
30334994714,27cyclictest8917-21timerandwakeup06:55:502
30334994711,6cyclictest25245-21kernelversion07:40:382
30334994711,6cyclictest25245-21kernelversion07:40:382
3032899475,7cyclictest0-21swapper/107:40:211
3032899474,36cyclictest0-21swapper/107:58:261
3032899474,11cyclictest0-21swapper/108:30:201
3032899473,38cyclictest0-21swapper/107:20:351
3032199478,33cyclictest0-21swapper/009:12:240
3032199474,37cyclictest0-21swapper/010:36:030
3032199474,37cyclictest0-21swapper/009:07:360
3032199474,17cyclictest0-21swapper/008:25:480
3032199474,10cyclictest0-21swapper/008:15:420
3032199473,39cyclictest0-21swapper/011:00:530
3032199473,39cyclictest0-21swapper/010:58:210
3032199473,39cyclictest0-21swapper/009:01:010
3032199473,38cyclictest7957-21cut06:55:330
3032199472,15cyclictest20997-21/usr/sbin/munin07:30:530
3034099464,36cyclictest0-21swapper/310:51:383
3034099464,36cyclictest0-21swapper/310:35:473
3034099463,38cyclictest0-21swapper/308:47:583
3034099463,37cyclictest0-21swapper/311:34:323
3032899467,34cyclictest0-21swapper/107:28:261
3032899464,37cyclictest0-21swapper/108:00:471
3032899464,35cyclictest0-21swapper/108:25:191
3032899463,38cyclictest0-21swapper/106:48:231
3032899463,37cyclictest0-21swapper/107:46:171
3032899463,37cyclictest0-21swapper/107:46:171
30328994610,32cyclictest11409-21latency_hist07:05:221
3032199466,35cyclictest0-21swapper/009:16:230
3032199465,35cyclictest0-21swapper/006:50:400
3032199464,36cyclictest0-21swapper/011:45:260
3032199464,36cyclictest0-21swapper/006:35:360
3032199463,37cyclictest0-21swapper/007:45:420
3032199463,37cyclictest0-21swapper/007:45:420
3034099454,36cyclictest0-21swapper/311:54:273
3033499453,17cyclictest0-21swapper/207:10:472
3032899453,36cyclictest0-21swapper/108:10:261
3032899453,36cyclictest0-21swapper/107:50:341
3032899453,36cyclictest0-21swapper/106:34:001
3032199454,36cyclictest0-21swapper/007:35:330
3032199454,35cyclictest0-21swapper/007:55:410
3032199454,35cyclictest0-21swapper/007:40:460
3032199454,35cyclictest0-21swapper/007:40:460
3032199454,35cyclictest0-21swapper/007:00:350
3032199453,37cyclictest0-21swapper/008:10:450
74612443,9sleep30-21swapper/306:52:523
3034099445,7cyclictest0-21swapper/309:11:393
3034099445,34cyclictest0-21swapper/311:48:073
3034099444,7cyclictest0-21swapper/311:15:513
3034099444,16cyclictest0-21swapper/308:39:333
3034099443,35cyclictest0-21swapper/311:35:393
3034099443,35cyclictest0-21swapper/310:27:433
3032899444,9cyclictest0-21swapper/107:41:571
3032899444,9cyclictest0-21swapper/107:41:571
3032899444,35cyclictest0-21swapper/106:55:211
3032899443,35cyclictest11413-21munin-run07:05:211
3032199444,35cyclictest0-21swapper/008:20:450
300842447,32sleep10-21swapper/106:30:211
244562443,9sleep30-21swapper/307:39:443
56022433,9sleep30-21swapper/308:15:343
3032899434,35cyclictest0-21swapper/106:42:291
3032199433,8cyclictest0-21swapper/007:05:370
3032199433,36cyclictest0-21swapper/006:33:250
191232433,9sleep30-21swapper/307:25:323
219892423,7sleep30-21swapper/307:30:513
108272423,7sleep30-21swapper/307:00:533
106472403,8sleep30-21swapper/308:28:013
30340993927,7cyclictest12767-21grep07:05:513
147992393,6sleep00-21swapper/007:11:080
11652393,30sleep30-21swapper/308:01:293
41582374,27sleep30-21swapper/306:45:323
3032199371,31cyclictest18414-21tail07:20:520
169762373,6sleep00-21swapper/007:19:580
2987623613,17sleep00-21swapper/006:27:510
32762353,26sleep33347-21/usr/sbin/munin06:40:493
3034099354,26cyclictest0-21swapper/307:22:333
3003523512,17sleep30-21swapper/306:29:473
3034099343,25cyclictest0-21swapper/307:15:333
301212343,8sleep30-21swapper/307:55:183
3034099333,25cyclictest0-21swapper/307:13:333
3032199334,25cyclictest0-21swapper/007:30:000
3034099323,24cyclictest0-21swapper/306:56:333
3034099313,24cyclictest0-21swapper/309:30:033
3034099304,22cyclictest0-21swapper/307:55:573
3034099304,21cyclictest0-21swapper/307:45:333
3034099304,21cyclictest0-21swapper/307:45:333
3034099294,20cyclictest0-21swapper/308:20:313
3034099294,20cyclictest0-21swapper/307:41:033
3034099294,20cyclictest0-21swapper/307:41:033
3034099294,19cyclictest0-21swapper/308:10:303
3034099293,21cyclictest0-21swapper/306:35:363
3034099284,19cyclictest0-21swapper/308:05:433
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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