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2026-05-30 - 07:51
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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 rack7slot2.osadl.org (updated Sat May 30, 2026 00:44:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
129888399122109,9cyclictest1353951-21kworker/u4:7+events_unbound21:42:130
12988859910590,5cyclictest1481334-21kworker/u4:12+events_unbound00:03:141
12988839910287,6cyclictest1480688-21kworker/u4:9+events_unbound00:13:210
1298883999484,7cyclictest1367291-21kworker/u4:8+events_unbound21:57:150
1298883998982,5cyclictest1345698-21kworker/u4:1+events_unbound21:32:070
1298883998880,6cyclictest1450775-21kworker/u4:4+events_unbound23:32:340
1298883998577,6cyclictest1476861-21kworker/u4:8+events_unbound00:18:230
1298883998476,6cyclictest1441886-21kworker/u4:7+events_unbound23:22:320
1298883998375,6cyclictest1302698-21kworker/u4:3+events_unbound20:47:000
1298883998273,6cyclictest1307893-21kworker/u4:15+events_unbound21:17:030
1298885998174,4cyclictest1380028-21kworker/u4:2+events_unbound22:07:171
1298883998162,11cyclictest1353952-21kworker/u4:9+events_unbound21:37:090
1298883997967,9cyclictest1353949-21kworker/u4:5+events_unbound21:47:140
1298883997966,8cyclictest1457147-21apt-get23:35:150
1298883997871,5cyclictest1304056-21kworker/u4:10+events_unbound19:41:480
1298883997667,7cyclictest1325756-21kworker/u4:2+events_unbound21:30:010
1298883997568,5cyclictest1059055-21kworker/u4:6+events_unbound19:10:020
1298883997567,6cyclictest1380028-21kworker/u4:2+events_unbound22:10:000
1298883997366,5cyclictest1302697-21kworker/u4:2+events_unbound19:26:430
1298883997265,5cyclictest151ktimers/023:11:540
1298883997264,6cyclictest1406786-21kworker/u4:9+events_unbound22:47:240
1298883997164,5cyclictest1367288-21kworker/u4:0+events_unbound21:55:000
1298883997126,37cyclictest1400512-21cut22:30:210
1298883997063,5cyclictest1454581-21kworker/u4:9+events_unbound23:40:020
1298883996962,5cyclictest1301398-21kworker/u4:4+events_unbound19:21:440
1298885996852,5cyclictest1450775-21kworker/u4:4+events_unbound23:40:011
1298885996659,5cyclictest1406786-21kworker/u4:9+events_unbound23:12:301
1298883996456,6cyclictest1300117-21kworker/u4:9+events_unbound20:31:580
1298883996356,5cyclictest1304056-21kworker/u4:10+events_unbound20:16:540
129888599623,47cyclictest1466819-21ssh23:45:341
1298883996252,7cyclictest1501000-21/usr/sbin/munin00:25:130
1298883996249,9cyclictest378-21dbus-daemon23:52:130
1298885996150,7cyclictest1353950-21kworker/u4:6+events_unbound21:52:151
1298883996156,3cyclictest1059055-21kworker/u4:6+events_unbound19:36:470
1298885996051,6cyclictest1411278-21kworker/u4:2+events_unbound22:42:241
1298883996040,16cyclictest0-21swapper/023:45:140
1298885995951,6cyclictest1402294-21kworker/u4:5+events_unbound22:32:231
1298883995947,8cyclictest1476861-21kworker/u4:8-rpciod00:00:210
129888399591,11cyclictest1496619-21apt-get00:20:120
129888399591,11cyclictest1496619-21apt-get00:20:110
1298883995851,5cyclictest1304056-21kworker/u4:10+events_unbound19:51:490
1298885995749,6cyclictest1384467-21kworker/u4:10+events_unbound22:12:181
129888399576,47cyclictest1478851-21sed00:00:000
1298883995750,5cyclictest1327026-21kworker/u4:4+events_unbound21:00:020
1298883995750,5cyclictest1302697-21kworker/u4:2+events_unbound20:11:550
1298883995750,5cyclictest1301398-21kworker/u4:4+events_unbound20:21:560
1298883995749,6cyclictest1376211-21kworker/u4:0+events_unbound22:17:010
1298883995749,6cyclictest1376211-21kworker/u4:0+events_unbound22:17:010
1298883995742,12cyclictest53-21kswapd022:55:110
1298885995648,5cyclictest1387412-21gltestperf22:15:201
1298885995648,5cyclictest1387412-21gltestperf22:15:191
1298885995647,7cyclictest1411278-21kworker/u4:2+events_unbound22:57:261
1298883995649,5cyclictest1450773-21kworker/u4:2+events_unbound23:29:590
1298885995547,6cyclictest0-21swapper/122:20:321
1298883995547,6cyclictest1441887-21kworker/u4:11+events_unbound23:19:000
1298883995547,6cyclictest1415737-21kworker/u4:3+events_unbound23:05:120
1298883995544,8cyclictest1513031-21sshd00:38:470
1298883995542,8cyclictest1404494-21apt-get22:35:130
1298885995447,5cyclictest1476861-21kworker/u4:8+events_unbound00:05:381
1298885995447,5cyclictest1450776-21kworker/u4:5+events_unbound23:27:331
1298885995445,7cyclictest1397880-21kworker/u4:7+events_unbound22:37:241
1298883995447,5cyclictest1300117-21kworker/u4:9+events_unbound19:56:500
1298885995347,4cyclictest1307893-21kworker/u4:15+events_unbound21:20:011
1298883995344,6cyclictest1388940-21kworker/u4:15+events_unbound22:23:000
1298883995340,8cyclictest0-21swapper/021:10:190
1298883995335,6cyclictest1402295-21kworker/u4:6+events_unbound22:41:000
1298885995245,5cyclictest1418661-21sendmail_mailqu22:50:371
1298885995245,5cyclictest1415722-21systemd22:47:241
1298885995245,5cyclictest1328022-21cat21:00:361
1298885995245,5cyclictest1323725-21fschecks_time20:45:211
1298883995243,6cyclictest1427123-21/usr/sbin/munin23:00:230
1298883995228,20cyclictest1316813-21kworker/u4:6-rpciod21:05:000
129888399522,18cyclictest1505571-21cpu00:30:170
1298885995141,7cyclictest1430706-21apt-key23:05:011
1298885995043,5cyclictest1501605-21kernelversion00:25:241
1298885995043,5cyclictest1374383-21/usr/sbin/munin22:00:231
1298885995039,8cyclictest0-21swapper/122:25:131
1298885995038,10cyclictest0-21swapper/121:20:141
129888399504,38cyclictest1417737-21tr22:50:140
1298883995043,5cyclictest1367291-21kworker/u4:8+events_unbound22:04:010
1298883995023,23cyclictest151ktimers/020:00:240
1298885994941,6cyclictest1300117-21kworker/u4:9+events_unbound20:36:591
1298885994934,5cyclictest1304056-21kworker/u4:10+events_unbound19:50:011
1298883994942,5cyclictest1059055-21kworker/u4:6+events_unbound19:46:480
1298885994842,4cyclictest1493366-21timerandwakeup00:15:371
1298885994842,4cyclictest1305317-21systemd19:31:431
1298885994841,5cyclictest1444371-21fschecks_count23:20:191
1298885994841,4cyclictest0-21swapper/120:40:141
1298885994840,6cyclictest1307893-21kworker/u4:15+events_unbound20:01:501
1298885994839,7cyclictest1315525-21systemd20:11:531
1298885994839,6cyclictest1500821-21latency_hist00:25:021
1298885994839,6cyclictest1500821-21latency_hist00:25:011
1298885994839,6cyclictest1478801-21sendmail00:00:011
1298885994839,6cyclictest0-21swapper/121:35:351
1298885994838,8cyclictest37-21kcompactd021:50:011
1298885994741,4cyclictest1325747-21systemd20:51:591
1298885994740,5cyclictest1357519-21unixbench_multi21:40:401
1298885994740,5cyclictest1343506-21fschecks_time21:25:241
1298885994737,6cyclictest1506176-21diskmemload00:30:291
1298885994728,6cyclictest1301398-21kworker/u4:4+events_unbound19:20:011
1298883994740,5cyclictest1336132-21kworker/u4:13+events_unbound21:22:460
1298883994733,5cyclictest1367290-21kworker/u4:7+events_unbound22:11:590
1298885994637,6cyclictest1430551-21cron23:05:131
1298885994627,6cyclictest1454581-21kworker/u4:9+events_unbound23:40:131
1298883994639,5cyclictest1395994-21df_abs22:25:170
1298883994638,4cyclictest0-21swapper/021:05:160
1298883994637,6cyclictest1329624-21diskmemload00:10:020
1298885994539,4cyclictest1347870-21gltestperf21:30:181
1298885994538,5cyclictest1330282-21fschecks_count21:10:251
1298885994538,5cyclictest1310911-21fschecks_count19:55:201
1298885994538,4cyclictest1441883-21ssh23:17:051
1298885994537,6cyclictest0-21swapper/121:55:281
1298885994535,7cyclictest1299878-21threads19:10:361
1298883994536,6cyclictest1304294-21aten_r7power_cu19:30:140
1298883994535,7cyclictest1322381-21fschecks_count20:40:190
1298885994437,5cyclictest1314179-21unixbench_multi20:05:401
1298885994436,6cyclictest1328543-21aten2__21:05:161
1298885994434,8cyclictest317-21systemd-journal00:13:201
1298883994433,8cyclictest1319389-21cron20:30:000
1298885994337,4cyclictest0-21swapper/120:21:541
1298885994336,5cyclictest1513849-21idleruntime-cro00:40:011
1298885994335,6cyclictest1303380-21tail19:25:241
1298885994333,7cyclictest1470397-21aten_r7power_en23:50:151
1298883994335,6cyclictest1300579-21fschecks_count19:15:180
129888399432,34cyclictest1314280-21modprobe20:10:010
1298885994236,4cyclictest1452749-21apt-get23:30:101
1298885994233,6cyclictest1309288-21latency_hist19:50:011
1298883994224,6cyclictest1321917-21kworker/u4:8+events_unbound20:51:580
1298885994135,4cyclictest1327058-21idleruntime-cro20:59:591
1298883994132,6cyclictest1286179-21kworker/u4:8-rpciod19:10:180
1298885994033,5cyclictest1315754-21aten2__20:15:151
1298885994033,5cyclictest0-21swapper/119:36:451
1298885994032,4cyclictest1307908-21kworker/u4:919:45:001
1298885994030,7cyclictest1320674-21idleruntime-cro20:35:011
1298883994030,6cyclictest0-21swapper/020:35:360
1298885993931,6cyclictest1302698-21kworker/u4:3+events_unbound20:26:571
1298885993927,8cyclictest0-21swapper/119:20:351
1298885993224,5cyclictest0-21swapper/119:10:021
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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