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2026-01-01 - 03:33
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackbslot7.osadl.org (updated Wed Dec 31, 2025 12:44:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
234629912646,59cyclictest23454-21cyclictest12:02:580
234629912646,59cyclictest23454-21cyclictest12:02:580
234629911939,50cyclictest20138-21ssh09:44:490
2198421186,17sleep10-21swapper/107:04:301
2198421186,17sleep10-21swapper/107:04:301
234629911443,64cyclictest0-21swapper/010:54:420
234629911426,51cyclictest0-21swapper/009:34:470
234629911426,51cyclictest0-21swapper/009:34:470
23462991123,66cyclictest17198-21apt-get10:34:450
23462991123,66cyclictest17198-21apt-get10:34:450
23467991107,73cyclictest17747-21apt-get10:34:481
23467991107,73cyclictest17747-21apt-get10:34:481
23471991073,63cyclictest346-21runrttasks10:49:472
23462991063,61cyclictest28918-21ls12:39:260
23462991053,93cyclictest0-21swapper/007:44:320
23462991053,92cyclictest0-21swapper/012:14:350
3194921040,8sleep20-21swapper/210:57:442
23462991032,63cyclictest4357-21ssh10:12:250
23462991022,63cyclictest1353-21seq10:07:290
23462991014,90cyclictest0-21swapper/012:04:380
23462991013,57cyclictest26713-21seq11:41:390
23462991013,57cyclictest26713-21seq11:41:390
23462991012,60cyclictest11649-21ssh11:17:010
23462999944,49cyclictest26221-21latency08:54:510
2346299993,59cyclictest21841-21seq12:27:090
2346299993,59cyclictest21841-21seq12:27:090
23471999869,18cyclictest0-21swapper/208:49:262
2347199984,57cyclictest346-21runrttasks07:27:152
2346799983,68cyclictest32565-21apt-get10:59:371
2346299983,83cyclictest15890-21apt-get08:24:400
2346299982,58cyclictest31948-21ssh09:10:180
2346299973,84cyclictest24196-21apt-get08:49:370
2346299973,64cyclictest346-21runrttasks08:43:270
2346299972,80cyclictest0-21swapper/012:10:010
2346299972,59cyclictest10558-21ssh09:29:410
2346299972,57cyclictest7234-21seq07:55:540
23471999622,40cyclictest22773-21sh10:42:282
23462999680,9cyclictest17359-21apt-config10:34:260
2346299963,63cyclictest25424-21idleruntime-cro09:54:230
2346299963,63cyclictest25424-21idleruntime-cro09:54:230
2346299963,54cyclictest346-21runrttasks11:00:500
2346299962,56cyclictest25926-21df09:54:430
2347199953,79cyclictest0-21swapper/208:24:402
23471999528,30cyclictest0-21swapper/212:29:582
2346299955,85cyclictest0-21swapper/007:09:270
2346299955,85cyclictest0-21swapper/007:09:270
2346299953,82cyclictest4566-21apt-get07:49:390
23462999537,52cyclictest0-21swapper/010:44:580
23462999537,52cyclictest0-21swapper/010:44:580
2346299953,53cyclictest363-21snmpd11:19:560
2346299952,63cyclictest17326-21seq11:25:550
2347199943,45cyclictest12476-21latency_hist08:14:262
2346299948,51cyclictest0-21swapper/010:53:530
23462999447,41cyclictest358-21ntpd09:24:550
2346299943,83cyclictest0-21swapper/008:34:360
2346299943,57cyclictest0-21swapper/008:14:330
2346299942,61cyclictest4223-21cut09:19:260
23467999367,16cyclictest7813-21kworker/u19:0+events_unbound12:14:221
2346299934,52cyclictest0-21swapper/011:33:530
2346299934,52cyclictest0-21swapper/011:33:530
2346299934,51cyclictest19808-21cat12:24:260
23462999337,48cyclictest0-21swapper/008:31:040
2346299933,73cyclictest30560-21apt-get07:29:410
23462999322,52cyclictest346-21runrttasks08:08:250
2347199923,52cyclictest13769-21seq08:16:432
2346299923,72cyclictest0-21swapper/011:48:280
2346299922,85cyclictest0-21swapper/011:04:380
2346299922,61cyclictest9365-21seq11:14:070
2346299922,58cyclictest346-21runrttasks08:03:560
2347199912,59cyclictest26883-21seq07:17:232
23467999168,14cyclictest27053-21sh07:19:231
2346299913,66cyclictest5591-21diskstats10:14:430
2346299913,54cyclictest0-21swapper/011:56:180
2346299913,54cyclictest0-21swapper/010:00:020
2346299912,60cyclictest9754-21seq10:20:340
2346299912,60cyclictest24552-21seq11:39:080
2346299912,51cyclictest0-21swapper/010:40:190
23467999025,31cyclictest31-21ksoftirqd/108:52:021
23462999075,8cyclictest0-21swapper/011:50:000
2346299903,77cyclictest5961-21ssh09:21:160
2346299903,76cyclictest0-21swapper/009:39:390
2346299903,54cyclictest987-21seq07:38:410
23462999033,50cyclictest0-21swapper/007:09:590
23462999033,50cyclictest0-21swapper/007:09:590
23471998926,31cyclictest0-21swapper/210:02:072
2346299895,47cyclictest0-21swapper/012:29:510
2346299894,50cyclictest0-21swapper/007:15:040
2346299893,79cyclictest0-21swapper/007:24:400
2346299892,53cyclictest30338-21seq09:08:500
2346299892,53cyclictest30338-21seq09:08:500
2347199882,51cyclictest30285-21seq09:08:092
2347199882,51cyclictest30285-21seq09:08:092
2346299886,45cyclictest0-21swapper/008:45:500
2346299883,51cyclictest2481-21runrttasks07:41:490
2346299882,61cyclictest346-21runrttasks07:19:510
2346299882,50cyclictest11909-21sed08:09:580
23471998768,9cyclictest0-21swapper/210:29:252
23467998723,33cyclictest31-21ksoftirqd/108:38:581
2346299873,79cyclictest0-21swapper/010:24:350
23471998670,7cyclictest0-21swapper/209:49:252
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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