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2025-11-19 - 22:19
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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 100 highest latencies:
System rackfslot4.osadl.org (updated Wed Nov 19, 2025 00:46:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
330724590,9sleep3121rcu_preempt23:00:143
1274324450,2sleep211413-21kworker/u8:4419:45:332
144324380,12sleep119-21ksoftirqd/119:15:501
144324380,12sleep119-21ksoftirqd/119:15:501
369924180,8sleep225-21ksoftirqd/200:05:142
669224170,3sleep20-21swapper/223:05:292
1686424170,3sleep116865-21/usr/sbin/munin23:25:401
1686424170,3sleep116865-21/usr/sbin/munin23:25:401
3197524110,2sleep130674-21kworker/u8:2020:35:301
3197524110,2sleep130674-21kworker/u8:2020:35:301
2326724110,4sleep30-21swapper/322:35:233
494824090,3sleep10-21swapper/120:50:251
2938924020,2sleep120165-21kworker/u8:123:50:301
2197423940,5sleep225-21ksoftirqd/220:10:282
1604423940,2sleep225-21ksoftirqd/200:29:582
2440223920,2sleep225-21ksoftirqd/220:15:402
2432523880,2sleep220165-21kworker/u8:123:40:322
2432523880,2sleep220165-21kworker/u8:123:40:322
2731923860,4sleep227117-21apt-get20:25:032
1139123830,3sleep10-21swapper/100:20:181
2178323820,3sleep10-21swapper/123:35:311
1344023820,2sleep312557-21kworker/u8:423:20:183
2693723810,2sleep317617-21kworker/u8:823:45:363
1343823790,4sleep225-21ksoftirqd/223:20:172
612823780,3sleep20-21swapper/220:52:322
1746623770,7sleep331-21ksoftirqd/320:00:013
1464323770,2sleep113346-21kworker/u8:419:50:321
1186023760,3sleep20-21swapper/221:06:382
1186023760,3sleep20-21swapper/221:06:382
734423750,5sleep119-21ksoftirqd/120:55:331
2267523740,3sleep10-21swapper/120:10:471
940023730,2sleep18012-21kworker/u8:1421:00:331
3004823730,2sleep124234-21kworker/u8:421:45:181
2119023730,2sleep215115-21kworker/u8:223:35:242
890123720,2sleep28012-21kworker/u8:1421:00:262
434723720,3sleep10-21swapper/123:00:481
311023720,2sleep22297-21kworker/u8:3820:45:262
2142323710,3sleep20-21swapper/222:30:382
1930423710,2sleep317617-21kworker/u8:823:30:333
1761023700,4sleep10-21swapper/100:30:491
3195723690,9sleep119-21ksoftirqd/123:55:391
3195723690,9sleep119-21ksoftirqd/123:55:381
2058823690,2sleep117217-21kworker/u8:320:05:431
2445323680,3sleep30-21swapper/323:40:413
2445323680,3sleep30-21swapper/323:40:413
1276223680,3sleep30-21swapper/319:45:343
3168823670,2sleep328305-21kworker/u8:819:10:443
2092423670,2sleep319184-21kworker/u8:321:25:413
1873023670,3sleep10-21swapper/123:30:221
3212123660,2sleep331712-21kworker/u8:121:49:153
2643823660,2sleep114633-21kworker/u8:622:40:331
1223923660,4sleep11610-21bootmenu22:13:361
2595823650,6sleep119-21ksoftirqd/123:45:061
1539223640,4sleep315390-21ssh22:20:153
1539223640,4sleep315390-21ssh22:20:153
1290123640,3sleep212881-21ssh22:15:182
804223630,2sleep16807-1kworker/u9:122:05:221
742323630,3sleep30-21swapper/320:55:353
516523630,4sleep20-21swapper/219:25:462
1352223630,3sleep313516-21ssh21:10:503
1615323620,3sleep312578-1kworker/u9:223:25:213
1615323620,3sleep312578-1kworker/u9:223:25:213
851723610,3sleep10-21swapper/100:15:011
851723610,3sleep10-21swapper/100:15:011
481323610,2sleep330229-21kworker/u8:3019:25:273
440623610,2sleep11765-21kworker/u8:2719:25:211
2642223610,2sleep10-21swapper/120:20:511
2095223610,2sleep119189-21kworker/u8:1021:25:431
3202423600,3sleep30-21swapper/322:51:203
3202423600,3sleep30-21swapper/322:51:193
785323590,8sleep27830-21ssh22:05:192
2962823590,3sleep30-21swapper/319:05:363
1731023590,3sleep317304-21ssh00:30:393
1476023590,3sleep30-21swapper/300:25:353
2187223580,2sleep315115-21kworker/u8:223:35:373
2645223570,2sleep224678-21kworker/u8:022:40:342
1877323570,4sleep218748-21ssh00:35:022
1141723570,3sleep30-21swapper/321:05:383
1141723570,3sleep30-21swapper/321:05:383
937323550,8sleep331-21ksoftirqd/323:10:513
367523550,3sleep13670-21ssh21:55:341
646623540,2sleep126572-21kworker/u8:2122:00:501
646623540,2sleep126572-21kworker/u8:2122:00:501
2999423540,2sleep226560-21kworker/u8:1021:45:032
1881423540,3sleep20-21swapper/222:25:342
166623540,3sleep30-21swapper/320:40:363
1614523540,3sleep20-21swapper/223:25:212
1614523540,3sleep20-21swapper/223:25:202
1279823540,3sleep10-21swapper/119:45:361
1247723530,3sleep10-21swapper/121:10:201
474023520,2sleep225-21ksoftirqd/223:00:582
2580223520,3sleep30-21swapper/321:35:333
2113923520,7sleep1191ksoftirqd/100:40:011
2113923520,7sleep1191ksoftirqd/100:40:011
1868623510,2sleep117241-21kworker/u8:3020:00:481
1734623510,2sleep112084-1kworker/u9:322:23:361
1734623510,2sleep112084-1kworker/u9:322:23:351
1089323510,3sleep30-21swapper/323:15:173
974923500,3sleep29689-21cron19:40:012
392523500,2sleep11765-21kworker/u8:2719:25:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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