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2026-09-16 - 22:20
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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 Wed Sep 16, 2026 12:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
253962820,3sleep041ktimersoftd/008:26:080
2833499753,45cyclictest0-21swapper/207:41:052
2832199688,54cyclictest0-21swapper/006:06:050
2833499604,50cyclictest0-21swapper/207:01:052
2833999585,47cyclictest0-21swapper/309:33:073
2833999585,47cyclictest0-21swapper/309:33:073
2833999575,47cyclictest35-21rcuc/308:24:123
2833999574,46cyclictest0-21swapper/309:11:433
2833999573,48cyclictest0-21swapper/309:47:403
2833999565,7cyclictest0-21swapper/311:19:253
2833999564,46cyclictest0-21swapper/308:42:163
2833999564,46cyclictest0-21swapper/308:42:163
2833999553,46cyclictest0-21swapper/311:25:593
2833999544,45cyclictest0-21swapper/310:11:253
2833999544,44cyclictest0-21swapper/309:58:033
28321995416,32cyclictest20392-21ntpq09:45:560
2833999537,5cyclictest35-21rcuc/309:26:013
2833999534,44cyclictest0-21swapper/306:13:323
2833999534,43cyclictest0-21swapper/311:00:353
2833999534,43cyclictest0-21swapper/307:35:263
2833999533,8cyclictest0-21swapper/308:29:183
2833499533,45cyclictest0-21swapper/207:19:512
2832599536,42cyclictest0-21swapper/110:50:151
2832599534,43cyclictest0-21swapper/110:20:091
2832599534,43cyclictest0-21swapper/108:40:501
2832599534,43cyclictest0-21swapper/108:40:501
2832599534,43cyclictest0-21swapper/108:31:221
2832599534,42cyclictest0-21swapper/110:31:161
2832599533,44cyclictest0-21swapper/111:05:451
28321995313,34cyclictest16548-21needreboot09:40:560
28321995313,34cyclictest10191-21if_err_eth210:15:510
28321995311,35cyclictest2729-21unixbench_multi07:46:080
2796025310,14sleep00-21swapper/006:04:130
2833999529,37cyclictest0-21swapper/309:09:443
2833999524,42cyclictest0-21swapper/311:10:253
2833999524,42cyclictest0-21swapper/308:36:283
2833999523,43cyclictest0-21swapper/311:21:043
2833999523,43cyclictest0-21swapper/310:01:463
2832599524,42cyclictest0-21swapper/111:33:531
2832599524,41cyclictest0-21swapper/110:14:341
2832599523,43cyclictest27878-21ssh11:22:341
2832599523,43cyclictest0-21swapper/107:43:521
28325995211,6cyclictest17868-21unixbench_multi08:16:071
28321995219,28cyclictest7511-21ssh10:55:460
28321995219,28cyclictest28868-21timerandwakeup08:31:050
28321995218,28cyclictest21666-21grep08:21:080
28321995217,28cyclictest28640-21fschecks_time07:30:530
28321995215,31cyclictest643-21runrttasks06:43:380
28321995215,31cyclictest643-21runrttasks06:43:380
28321995214,32cyclictest30806-21unixbench_multi11:26:020
28321995213,34cyclictest14874-21needreboot08:55:560
28321995212,34cyclictest19100-21cpu07:05:490
2833999514,8cyclictest0-21swapper/310:49:053
2833999514,41cyclictest0-21swapper/311:35:243
2833999514,41cyclictest0-21swapper/309:40:173
2833999514,10cyclictest0-21swapper/309:43:573
2833999513,42cyclictest0-21swapper/310:38:053
2833499514,41cyclictest0-21swapper/211:33:142
2832599514,42cyclictest0-21swapper/108:38:381
2832599514,41cyclictest0-21swapper/111:11:161
2832599514,41cyclictest0-21swapper/109:02:391
2832599514,41cyclictest0-21swapper/108:56:071
28321995118,28cyclictest643-21runrttasks10:08:260
28321995118,28cyclictest643-21runrttasks10:08:260
28321995116,30cyclictest10301-21timerwakeupswit08:06:050
28321995114,31cyclictest22083-21tune2fs09:05:500
28321995114,31cyclictest14711-21unixbench_multi10:21:040
28321995113,32cyclictest32036-21timerandwakeup10:01:030
28321995112,34cyclictest13377-21unixbench_singl09:36:070
28321995112,33cyclictest3800-21crond06:25:390
28321995111,34cyclictest5890-21sshd09:26:110
2833999504,40cyclictest0-21swapper/310:56:063
2833999504,40cyclictest0-21swapper/310:30:363
2833999504,40cyclictest0-21swapper/308:59:383
2833999504,10cyclictest0-21swapper/310:21:263
2833999503,41cyclictest0-21swapper/309:51:473
28339995017,28cyclictest4539-21cat10:51:013
2833499504,41cyclictest0-21swapper/210:16:162
2833499504,40cyclictest0-21swapper/211:15:152
2832599504,40cyclictest0-21swapper/108:54:081
2832599504,39cyclictest0-21swapper/110:40:531
2832599504,22cyclictest0-21swapper/109:39:571
2832599503,41cyclictest0-21swapper/110:25:461
2832599503,41cyclictest0-21swapper/109:56:161
2832599503,41cyclictest0-21swapper/108:26:481
2832199503,8cyclictest12249-21/usr/sbin/munin06:45:580
2832199503,8cyclictest12249-21/usr/sbin/munin06:45:580
28321995016,29cyclictest643-21runrttasks08:11:060
28321995015,30cyclictest4643-21unixbench_singl07:51:070
28321995013,31cyclictest6065-21wget10:10:450
28321995013,31cyclictest32029-21kernelversion08:35:570
28321995012,33cyclictest5672-21latency_hist06:30:400
28321995012,32cyclictest705-21cut09:20:450
28321995012,32cyclictest10933-21seq09:33:500
28321995012,32cyclictest10933-21seq09:33:500
2833999499,6cyclictest13474-21cpu06:50:503
2833999495,38cyclictest0-21swapper/308:31:093
2833999494,40cyclictest0-21swapper/309:20:473
2833999494,39cyclictest0-21swapper/311:11:133
2833999494,39cyclictest0-21swapper/309:02:133
2833999494,39cyclictest0-21swapper/306:21:013
2833999494,38cyclictest0-21swapper/310:08:043
2833999494,38cyclictest0-21swapper/310:08:043
2833999494,38cyclictest0-21swapper/309:16:043
2833999493,40cyclictest0-21swapper/310:43:253
2833999493,40cyclictest0-21swapper/310:25:563
2833999493,40cyclictest0-21swapper/308:46:383
2833499494,40cyclictest0-21swapper/209:34:072
2833499494,40cyclictest0-21swapper/209:34:072
2833499494,39cyclictest0-21swapper/209:04:182
2833499493,40cyclictest0-21swapper/206:05:592
2832599494,9cyclictest0-21swapper/109:28:571
2832599494,40cyclictest0-21swapper/109:30:371
2832599494,40cyclictest0-21swapper/109:30:371
2832599494,40cyclictest0-21swapper/109:12:571
2832599494,39cyclictest0-21swapper/110:00:511
2832599494,38cyclictest0-21swapper/110:06:071
2832599494,38cyclictest0-21swapper/110:06:071
2832599493,40cyclictest0-21swapper/107:51:031
28325994916,27cyclictest20804-21grep09:46:031
28325994915,9cyclictest21-21ksoftirqd/109:50:351
2832199495,37cyclictest0-21swapper/007:20:570
28321994921,23cyclictest30595-21taskset07:35:530
2832199492,9cyclictest1524750ssh11:05:500
28321994919,25cyclictest948-21cut11:30:440
28321994913,31cyclictest17463-21cut10:25:480
28321994912,32cyclictest11942-21switchtime11:01:010
28321994911,33cyclictest18675-21ksmtuned07:04:350
28321994911,32cyclictest1725-21sshd06:18:150
2833999488,35cyclictest0-21swapper/308:10:363
2833999484,38cyclictest0-21swapper/307:45:593
2833999484,38cyclictest0-21swapper/307:25:523
2833999484,17cyclictest0-21swapper/308:17:343
2833999483,9cyclictest0-21swapper/308:52:583
2833999483,39cyclictest0-21swapper/310:18:463
2833999483,39cyclictest0-21swapper/308:11:043
28339994813,29cyclictest0-21swapper/307:10:503
2833499484,37cyclictest0-21swapper/211:05:462
28334994813,8cyclictest0-21swapper/209:51:232
2832599486,16cyclictest0-21swapper/110:55:411
2832599484,38cyclictest0-21swapper/111:25:341
2832599484,38cyclictest0-21swapper/110:37:551
2832599484,38cyclictest0-21swapper/108:46:481
2832599483,6cyclictest0-21swapper/109:06:381
2832599483,39cyclictest0-21swapper/107:55:471
2832599483,39cyclictest0-21swapper/107:55:471
28325994815,27cyclictest8844-21diskmemload09:24:311
28325994811,31cyclictest0-21swapper/110:51:131
28325994811,31cyclictest0-21swapper/108:11:241
28325994811,31cyclictest0-21swapper/108:06:421
2832199485,15cyclictest0-21swapper/007:55:520
2832199485,15cyclictest0-21swapper/007:55:520
2832199484,6cyclictest28861-21/usr/sbin/munin10:40:500
2832199484,37cyclictest0-21swapper/011:20:330
2832199484,17cyclictest0-21swapper/007:15:540
2832199482,9cyclictest3860-21sort08:41:040
2832199482,9cyclictest3860-21sort08:41:040
2832199482,40cyclictest26816-21latency_hist09:55:350
28321994817,26cyclictest6059-21sh06:30:520
28321994815,28cyclictest8501-21tr06:36:000
28321994815,27cyclictest8844-21diskmemload09:02:260
28321994814,28cyclictest9054-21date08:05:370
28321994812,31cyclictest26551-21needreboot11:20:530
28321994810,33cyclictest15766-21latency06:55:570
2833999474,38cyclictest0-21swapper/306:15:553
2833999474,37cyclictest0-21swapper/307:35:493
2833999474,37cyclictest0-21swapper/307:06:013
2833999474,37cyclictest0-21swapper/306:55:503
2833999474,37cyclictest0-21swapper/306:45:523
2833999474,37cyclictest0-21swapper/306:45:523
2833999474,37cyclictest0-21swapper/306:06:123
28339994710,6cyclictest18397-21sshd07:01:143
2833499474,37cyclictest0-21swapper/209:47:092
2833499474,37cyclictest0-21swapper/208:09:072
2833499474,37cyclictest0-21swapper/206:40:552
2833499474,37cyclictest0-21swapper/206:40:552
2833499474,36cyclictest0-21swapper/206:55:382
2832599474,38cyclictest0-21swapper/109:45:171
2832599474,37cyclictest0-21swapper/111:20:101
2832599474,37cyclictest0-21swapper/109:20:151
2832599473,9cyclictest0-21swapper/108:22:491
2832599473,8cyclictest0-21swapper/111:01:251
2832599473,39cyclictest0-21swapper/110:22:161
2832199475,36cyclictest0-21swapper/010:35:590
2832199473,8cyclictest26656-21/usr/sbin/munin07:25:490
2832199473,37cyclictest21092-21df_inode10:30:480
2832199472,8cyclictest31717-21/usr/sbin/munin06:11:060
2832199472,39cyclictest16689-21aten_rbpower_vo08:15:480
28321994713,29cyclictest19410-21switchtime11:11:010
28321994713,28cyclictest26173-21missed_timers09:10:560
28321994711,31cyclictest4412-21sensors_fan10:50:580
28321994711,31cyclictest11676-21tail08:51:080
2833999464,36cyclictest0-21swapper/306:36:083
2833999464,10cyclictest0-21swapper/307:51:493
2833999463,37cyclictest0-21swapper/306:40:533
2833999463,37cyclictest0-21swapper/306:40:533
2833499464,37cyclictest0-21swapper/210:05:552
2833499464,37cyclictest0-21swapper/210:05:552
2833499464,37cyclictest0-21swapper/208:41:202
2833499464,37cyclictest0-21swapper/208:41:202
2833499464,11cyclictest0-21swapper/206:21:082
2833499462,12cyclictest11795-21/usr/sbin/munin11:00:582
2832599464,37cyclictest0-21swapper/107:05:381
2832199464,6cyclictest0-21swapper/008:50:350
2832199463,8cyclictest21217-21/usr/sbin/munin07:10:540
2832199463,18cyclictest0-21swapper/007:40:490
2832199462,7cyclictest13868-21kernelversion06:50:570
28321994615,26cyclictest32617-21iostat10:45:500
28321994614,27cyclictest30035-21needreboot09:15:570
2833999454,36cyclictest0-21swapper/306:25:503
2833999454,35cyclictest0-21swapper/307:21:053
2833499456,34cyclictest32455-21latency_hist06:15:392
2833499454,9cyclictest0-21swapper/206:55:572
2833499454,35cyclictest0-21swapper/210:21:122
2833499454,35cyclictest0-21swapper/209:36:372
2832599454,34cyclictest0-21swapper/107:10:391
2832599452,9cyclictest7526-21fschecks_time08:00:511
2832199452,8cyclictest24214-21open_inodes09:50:580
2768624511,27sleep10-21swapper/106:01:081
2833999445,7cyclictest0-21swapper/308:05:363
2833999443,37cyclictest0-21swapper/306:31:013
2833999443,36cyclictest0-21swapper/307:56:013
2833999443,36cyclictest0-21swapper/307:56:013
2833499444,9cyclictest0-21swapper/206:49:452
2833499444,9cyclictest0-21swapper/206:49:452
2833499444,35cyclictest0-21swapper/207:24:432
2833499444,34cyclictest0-21swapper/207:38:212
2833499444,11cyclictest0-21swapper/207:14:242
2833499443,8cyclictest0-21swapper/206:15:522
2833499443,36cyclictest0-21swapper/206:34:142
28334994413,26cyclictest4938-21taskset10:51:202
2832599443,35cyclictest0-21swapper/107:49:031
2833999433,35cyclictest0-21swapper/307:15:593
2833499434,33cyclictest0-21swapper/209:57:052
2833499434,33cyclictest0-21swapper/207:35:382
2833499433,35cyclictest0-21swapper/206:25:532
2832599434,16cyclictest0-21swapper/107:36:461
2833499423,35cyclictest0-21swapper/207:29:192
2833499423,34cyclictest0-21swapper/206:40:142
28325994232,5cyclictest21-21ksoftirqd/107:35:371
2833999413,7cyclictest0-21swapper/307:43:433
8762393,6sleep20-21swapper/208:37:022
304792393,8sleep10-21swapper/106:09:331
2832599394,31cyclictest0-21swapper/107:10:441
269912398,23sleep20-21swapper/206:00:572
28334993825,8cyclictest25733-21wc10:36:012
2832599383,30cyclictest0-21swapper/106:58:131
203922383,7sleep20-21swapper/207:07:442
114932383,8sleep10-21swapper/106:45:461
114932383,8sleep10-21swapper/106:45:461
2833499374,28cyclictest0-21swapper/209:45:312
28334993719,14cyclictest432-21grep10:45:542
277672374,28sleep10-21swapper/107:26:311
2833499364,26cyclictest0-21swapper/210:11:262
2833499364,26cyclictest0-21swapper/209:25:482
2801623613,17sleep30-21swapper/306:04:523
2833499354,25cyclictest0-21swapper/210:01:342
2832599354,26cyclictest0-21swapper/106:44:151
2832599354,26cyclictest0-21swapper/106:44:151
2832599353,26cyclictest0-21swapper/106:50:501
2833499344,26cyclictest0-21swapper/211:25:272
2833499344,26cyclictest0-21swapper/209:17:542
2833499344,26cyclictest0-21swapper/208:33:122
2833499344,26cyclictest0-21swapper/208:13:322
2833499344,25cyclictest0-21swapper/211:00:132
2833499344,25cyclictest0-21swapper/209:08:112
2833499344,24cyclictest0-21swapper/208:45:402
271772343,6sleep20-21swapper/209:11:442
2833499335,23cyclictest0-21swapper/208:50:512
2833499334,25cyclictest0-21swapper/208:26:472
2833499334,23cyclictest0-21swapper/207:51:052
2833499333,26cyclictest0-21swapper/208:17:112
28334993320,8cyclictest24876-21chrt11:19:092
28325993322,7cyclictest4640-21grep06:26:001
28325993322,7cyclictest25554-21cat07:21:051
306962323,23sleep20-21swapper/211:26:022
2833499326,20cyclictest0-21swapper/207:45:542
2833499324,24cyclictest0-21swapper/207:58:122
2833499324,24cyclictest0-21swapper/207:58:122
28334993222,6cyclictest28341-21/usr/sbin/munin10:41:042
28334993221,7cyclictest20305-21/usr/sbin/munin08:20:582
28334993213,14cyclictest584-21gdbus09:20:362
28325993222,6cyclictest6321-21idleruntime06:30:561
28325993220,7cyclictest30853-21aten_rbpower_po06:10:501
28334993121,6cyclictest17875-21missed_timers10:25:542
2833499304,20cyclictest0-21swapper/208:04:282
28334993019,7cyclictest14394-21grep08:55:492
2832599304,22cyclictest0-21swapper/106:40:151
28334992919,6cyclictest21059-21cpu10:30:472
28325992919,7cyclictest1300-21timerandwakeup06:16:071
28325992918,7cyclictest2268-21egrep06:20:511
2832599284,20cyclictest0-21swapper/107:18:231
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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