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2026-01-07 - 16:15
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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 Wed Jan 07, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16222800,4sleep041ktimersoftd/011:31:180
30801997010,5cyclictest0-21swapper/111:11:321
3080199694,7cyclictest0-21swapper/109:36:291
30801996910,6cyclictest0-21swapper/109:31:271
3080199683,58cyclictest30956-21diskstats06:56:121
3080199669,7cyclictest7817-21missed_timers12:21:221
3080199663,56cyclictest30243-21ntp_states10:01:291
3081399657,51cyclictest0-21swapper/311:03:393
3080199652,57cyclictest1886-21awk10:06:321
3080199644,6cyclictest0-21swapper/110:11:421
3080199642,7cyclictest897-21/usr/sbin/munin07:01:221
3080199633,54cyclictest0-21swapper/110:46:281
3081399622,54cyclictest9890-21kworker/3:109:45:313
3081399622,54cyclictest9890-21kworker/3:109:45:313
3081399615,50cyclictest0-21swapper/310:40:533
3081399615,50cyclictest0-21swapper/309:23:353
3081399588,44cyclictest679-21lldpd08:42:423
3081399588,44cyclictest5832-21sed08:41:073
30813995810,43cyclictest9456-21ls07:21:383
30808995826,27cyclictest23077-21grep09:51:382
3081399578,42cyclictest0-21swapper/311:56:343
30813995713,38cyclictest0-21swapper/310:03:343
30813995712,39cyclictest31065-21taskset12:09:583
30813995712,39cyclictest31065-21taskset12:09:583
30813995710,41cyclictest7531-21memory10:56:243
30813995710,40cyclictest19652-21/usr/sbin/munin07:51:313
30801995723,28cyclictest18919-21grep07:46:391
3081399568,42cyclictest0-21swapper/309:30:463
3081399564,46cyclictest0-21swapper/310:55:533
30813995614,36cyclictest17416-21ssh09:02:293
30813995613,37cyclictest0-21swapper/309:56:503
30813995611,39cyclictest13224-21/usr/sbin/munin10:21:273
30801995624,26cyclictest1331-21grep11:31:141
3079799564,7cyclictest0-21swapper/012:08:520
3079799564,7cyclictest0-21swapper/012:08:520
3081399559,40cyclictest2769-21/usr/sbin/munin07:06:343
3081399559,39cyclictest21529-21/usr/sbin/munin07:56:363
3081399559,39cyclictest0-21swapper/311:16:063
3081399559,39cyclictest0-21swapper/311:16:063
3081399557,42cyclictest17474-21proc_pri11:51:273
3081399557,42cyclictest0-21swapper/309:52:093
3081399557,41cyclictest0-21swapper/310:16:403
30813995512,11cyclictest0-21swapper/309:00:473
30813995511,38cyclictest0-21swapper/312:21:013
30813995511,38cyclictest0-21swapper/309:47:293
30813995510,40cyclictest26996-21smart_sda11:21:283
30813995510,39cyclictest2440-21ssh12:14:503
30808995515,35cyclictest638-21runrttasks12:13:122
3079799557,24cyclictest11443-21diskmemload09:11:210
3079799555,7cyclictest0-21swapper/010:29:040
3081399549,39cyclictest0-21swapper/312:06:013
3081399549,39cyclictest0-21swapper/312:06:013
3081399549,39cyclictest0-21swapper/309:39:393
3081399549,38cyclictest9782-21/usr/sbin/munin08:51:373
3081399548,40cyclictest0-21swapper/312:23:413
3081399548,40cyclictest0-21swapper/309:09:513
3081399548,13cyclictest0-21swapper/311:35:423
3081399547,41cyclictest15375-21ssh11:49:063
3081399547,41cyclictest0-21swapper/310:31:383
3081399547,41cyclictest0-21swapper/310:31:383
3081399547,40cyclictest0-21swapper/310:27:203
3081399546,41cyclictest0-21swapper/310:41:163
30813995411,10cyclictest8765-21/usr/sbin/munin08:46:323
30813995410,38cyclictest32094-21iostat10:46:213
30808995418,31cyclictest20586-21timerandwakeup09:06:342
30808995415,33cyclictest23768-21uniq08:01:252
30808995411,37cyclictest382-21systemd-journal09:59:142
30801995418,30cyclictest25819-21fschecks_count09:56:191
3079799543,45cyclictest0-21swapper/010:46:440
3081399539,38cyclictest19682-21sed11:11:343
3081399537,40cyclictest0-21swapper/311:28:053
3081399537,40cyclictest0-21swapper/309:33:013
3081399537,13cyclictest6046-21processes11:36:283
3081399536,41cyclictest0-21swapper/309:12:473
3081399536,40cyclictest0-21swapper/311:06:063
30813995317,31cyclictest1034-21cpu10:06:183
30813995311,36cyclictest4642-21/usr/sbin/munin07:11:263
30813995311,10cyclictest0-21swapper/311:42:593
3080899533,9cyclictest1726-21ntp_states10:06:292
3080899532,7cyclictest21075-21ssh11:56:212
3080899532,45cyclictest12558-21idleruntime07:31:232
30808995316,32cyclictest2001-21wc07:01:382
30808995312,35cyclictest16572-21cut07:41:292
30801995318,28cyclictest11516-21ntp_states11:01:261
3079799534,43cyclictest0-21swapper/012:12:070
3079799534,43cyclictest0-21swapper/010:07:100
3079799534,43cyclictest0-21swapper/009:26:280
3079799533,45cyclictest0-21swapper/009:04:210
3079799532,28cyclictest29546-21idleruntime-cro11:26:030
30797995313,35cyclictest9477-21kernelversion11:41:220
3081399528,38cyclictest6313-21ssh10:11:563
3081399527,39cyclictest24192-21open_inodes08:01:343
30813995210,36cyclictest30907-21/usr/sbin/munin08:21:213
30813995210,36cyclictest29574-21ssh09:18:453
3080899523,6cyclictest16216-21ssh11:50:522
30808995224,23cyclictest7115-21tr09:31:262
3080899522,44cyclictest638-21runrttasks09:41:062
3080899522,44cyclictest18325-21latency07:46:282
3080899522,43cyclictest18464-21sort09:46:242
30808995216,31cyclictest638-21runrttasks11:38:402
30808995215,31cyclictest998-21load08:26:272
30808995215,31cyclictest16339-21cpu10:26:162
30801995220,26cyclictest20884-21grep07:51:371
3080199522,45cyclictest8167-21crond07:21:081
30801995218,29cyclictest29020-21find12:06:281
30801995218,29cyclictest29020-21find12:06:281
30801995217,29cyclictest15872-21fschecks_count09:01:221
30801995216,30cyclictest1975-21sshd08:30:161
30801995216,30cyclictest14745-21cat09:41:271
30801995216,30cyclictest14745-21cat09:41:271
3079799525,41cyclictest0-21swapper/012:00:120
3079799525,4cyclictest25366-21ssh10:36:430
3079799523,43cyclictest0-21swapper/009:59:240
3081399518,37cyclictest14016-21/usr/sbin/munin07:36:243
3081399517,38cyclictest320-21/usr/sbin/munin08:26:273
30813995112,34cyclictest0-21swapper/308:11:193
3080899517,5cyclictest0-21swapper/211:56:032
3080899515,6cyclictest0-21swapper/210:51:252
30808995123,23cyclictest24569-21grep12:01:172
30808995123,23cyclictest24569-21grep12:01:172
30808995117,29cyclictest638-21runrttasks10:42:032
30808995117,29cyclictest638-21runrttasks09:04:352
30808995116,29cyclictest638-21runrttasks10:12:372
30808995111,33cyclictest3802-21unixbench_singl09:26:382
3080899511,44cyclictest8583-21/usr/sbin/munin10:16:172
3080199513,12cyclictest41112sh09:27:071
3080199513,10cyclictest27858-21missed_timers09:16:261
30801995119,27cyclictest6235-21grep08:41:221
30801995118,28cyclictest638-21runrttasks09:09:591
30801995115,6cyclictest4428-21timerandwakeup12:16:291
30801995114,6cyclictest2560-21fschecks_time08:31:201
3079799513,43cyclictest0-21swapper/009:55:240
30797995115,31cyclictest3-21ksoftirqd/011:56:020
30813995011,34cyclictest15902-21aten_rbpower_cu07:41:193
3080899504,6cyclictest0-21swapper/208:31:362
30808995020,25cyclictest14040-21cut09:41:172
30808995020,25cyclictest14040-21cut09:41:172
3080899502,8cyclictest28765-21cat12:06:232
3080899502,8cyclictest28765-21cat12:06:232
30808995018,27cyclictest30461-21switchtime10:01:322
30808995017,27cyclictest1633-21fschecks_time11:31:182
30808995017,27cyclictest10039-21crond07:26:082
30808995015,29cyclictest24586-21sort10:36:252
30808995015,29cyclictest14626-21missed_timers07:36:292
3080199503,40cyclictest3678-21smart_sda07:06:351
30801995019,26cyclictest7318-21idleruntime10:56:201
30801995018,26cyclictest3562-21iostat10:51:211
30801995018,26cyclictest356-21processes12:11:271
30801995017,28cyclictest12596-21entropy10:21:191
30801995017,27cyclictest638-21runrttasks09:22:201
30801995015,7cyclictest540-21ntpd11:41:251
30801995015,7cyclictest30348-21iostat_ios11:26:181
30801995015,29cyclictest31560-21sed08:21:281
3079799504,41cyclictest0-21swapper/007:05:230
3079799504,40cyclictest0-21swapper/010:43:090
3079799504,40cyclictest0-21swapper/009:23:410
3079799503,41cyclictest0-21swapper/010:55:230
3079799503,4cyclictest0-21swapper/012:16:210
3081399496,37cyclictest12537-21fschecks_time07:31:223
30813994911,12cyclictest647-21lldpd07:20:513
30813994910,33cyclictest10267-21/usr/sbin/munin07:26:273
3080899498,34cyclictest6991-21if_eth207:16:262
3080899493,8cyclictest9372-21/usr/sbin/munin11:41:192
3080899493,8cyclictest12805-21/usr/sbin/munin08:56:352
3080899493,7cyclictest19944-21fschecks_time07:51:212
3080899493,6cyclictest30740-21latency_hist08:21:082
3080899492,41cyclictest31176-21grep06:56:142
30808994917,27cyclictest10837-21sort07:26:292
30808994917,26cyclictest24366-21switchtime09:11:342
30808994917,26cyclictest22167-21/usr/sbin/munin11:16:252
30808994917,26cyclictest22167-21/usr/sbin/munin11:16:252
30808994917,26cyclictest11443-21diskmemload11:26:112
30808994915,29cyclictest10874-21timerwakeupswit08:51:362
30808994915,28cyclictest27041-21cat11:21:282
30808994913,30cyclictest638-21runrttasks11:00:042
30808994911,33cyclictest10773-21basename11:01:142
30808994910,34cyclictest32317-21needreboot10:46:252
30808994910,33cyclictest23695-21rm10:36:052
30808994910,33cyclictest23695-21rm10:36:052
30808994910,32cyclictest7939-21ntpq12:21:242
3080199495,12cyclictest0-21swapper/112:00:131
3080199494,38cyclictest0-21swapper/111:22:111
3080199494,37cyclictest0-21swapper/111:53:371
3080199493,15cyclictest0-21swapper/111:47:071
30801994921,23cyclictest18229-21latency_hist11:11:041
30801994917,27cyclictest638-21runrttasks08:17:231
30801994917,27cyclictest18710-21open_inodes09:46:291
30801994915,5cyclictest27271-21sh10:40:441
30801994914,6cyclictest6204-21threads11:36:311
30801994913,6cyclictest28777-21ls10:41:331
30801994912,8cyclictest24360-21egrep12:01:141
30801994912,8cyclictest24360-21egrep12:01:141
3079799497,36cyclictest15787-21latency_hist07:41:080
3079799494,40cyclictest0-21swapper/010:19:130
3079799494,40cyclictest0-21swapper/010:13:340
3079799493,41cyclictest0-21swapper/009:36:550
30797994912,31cyclictest0-21swapper/011:19:540
30797994912,31cyclictest0-21swapper/011:19:540
30813994813,8cyclictest0-21swapper/308:31:373
3080899485,37cyclictest0-21swapper/208:41:182
3080899482,8cyclictest32383-21/usr/sbin/munin09:21:372
3080899482,8cyclictest12511-21cpu10:21:162
30808994819,24cyclictest32561-21latency_hist08:26:082
30808994817,26cyclictest638-21runrttasks11:14:012
30808994815,28cyclictest638-21runrttasks11:06:062
30808994815,27cyclictest6296-21latency_hist07:16:092
30808994814,29cyclictest27438-21fschecks_time08:11:222
30808994814,28cyclictest8265-21fschecks_time08:46:212
30808994810,33cyclictest4660-21unixbench_singl12:16:312
3080199483,38cyclictest145682sleep107:36:281
3080199483,38cyclictest0-21swapper/108:59:151
3080199483,16cyclictest4828-21cut08:36:271
30801994819,23cyclictest5146-21kernelversion07:11:271
30801994817,25cyclictest24449-21timerandwakeup09:11:361
30801994816,6cyclictest16909-21timerandwakeup07:41:371
30801994814,5cyclictest92032sleep108:47:031
30801994812,5cyclictest10879-21sh10:18:301
30801994811,8cyclictest554-21dbus-daemon07:31:081
3079799484,8cyclictest0-21swapper/012:22:310
3079799484,40cyclictest0-21swapper/009:32:550
3079799484,39cyclictest0-21swapper/010:31:140
3079799484,39cyclictest0-21swapper/010:31:140
3079799483,40cyclictest0-21swapper/008:57:400
3079799483,39cyclictest0-21swapper/011:49:020
30797994819,24cyclictest3-21ksoftirqd/010:21:200
290782483,37sleep029097-21/usr/sbin/munin06:51:210
3081399472,39cyclictest0-21swapper/308:06:193
30813994710,32cyclictest0-21swapper/308:16:313
3080899472,7cyclictest4688-21latency08:36:252
30808994713,28cyclictest27197-21aten_rbpower_en09:16:172
3080199474,17cyclictest0-21swapper/107:31:371
3080199474,16cyclictest0-21swapper/111:16:221
3080199474,16cyclictest0-21swapper/111:16:221
30801994718,24cyclictest22621-21timerwakeupswit07:56:371
30801994715,6cyclictest21769-21aten_rbpower_en09:51:181
30801994714,7cyclictest9113-21ntp_kernel_err07:21:311
30801994714,6cyclictest23297-21sh10:35:261
30801994714,6cyclictest23297-21sh10:35:261
3079799478,33cyclictest0-21swapper/010:02:260
3079799474,38cyclictest0-21swapper/009:46:400
3079799474,37cyclictest0-21swapper/012:01:370
3079799474,37cyclictest0-21swapper/012:01:370
3079799474,37cyclictest0-21swapper/011:39:260
3079799473,39cyclictest0-21swapper/011:13:330
3079799473,39cyclictest0-21swapper/011:01:530
30797994711,5cyclictest8124-21unixbench-2d10:56:350
30797994711,5cyclictest0-21swapper/009:44:520
30797994711,5cyclictest0-21swapper/009:44:520
30813994611,30cyclictest0-21swapper/307:46:213
30808994618,24cyclictest21532-21aten_rbpower_cu07:56:192
30808994611,30cyclictest25324-21aten_rbpower_en08:06:192
3080199468,6cyclictest25275-21seq08:06:161
3080199464,15cyclictest0-21swapper/108:51:251
3080199464,14cyclictest0-21swapper/110:29:001
3079799464,36cyclictest0-21swapper/011:26:270
3079799464,36cyclictest0-21swapper/009:06:490
3079799464,17cyclictest0-21swapper/011:06:550
3079799462,38cyclictest29017-21ssh09:17:350
3080899453,9cyclictest0-21swapper/207:06:222
3079799459,31cyclictest3-21ksoftirqd/008:01:080
3079799455,35cyclictest0-21swapper/008:16:070
3079799454,36cyclictest0-21swapper/008:06:210
3079799454,11cyclictest0-21swapper/007:41:430
3079799453,35cyclictest0-21swapper/007:16:260
3079799445,9cyclictest0-21swapper/006:56:190
3079799444,36cyclictest0-21swapper/008:31:470
3079799444,35cyclictest0-21swapper/008:29:460
3079799444,35cyclictest0-21swapper/007:11:430
3079799444,34cyclictest0-21swapper/008:51:440
3079799443,36cyclictest0-21swapper/008:36:370
3079799442,36cyclictest21305-21crond07:56:080
3080199436,9cyclictest27666-21uname08:11:261
30801994311,6cyclictest0-21swapper/108:01:251
3079799434,35cyclictest0-21swapper/007:46:280
3079799434,34cyclictest0-21swapper/007:09:470
3079799434,33cyclictest0-21swapper/008:26:080
3079799434,33cyclictest0-21swapper/008:21:080
3079799433,35cyclictest0-21swapper/007:26:430
3079799433,34cyclictest0-21swapper/007:36:030
3079799424,6cyclictest0-21swapper/008:06:080
3079799423,34cyclictest0-21swapper/008:46:320
3079799423,34cyclictest0-21swapper/008:42:150
3079799413,34cyclictest0-21swapper/007:24:230
30813993913,20cyclictest1760-21rt-features07:01:353
3033323814,18sleep20-21swapper/206:53:282
3033723713,17sleep10-21swapper/106:53:311
3050923614,16sleep30-21swapper/306:55:343
30813993518,12cyclictest31088-21aten_rbpower_cu06:56:133
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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