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2026-01-02 - 21:44
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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 rackbslot4.osadl.org (updated Fri Jan 02, 2026 12:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2094599758,60cyclictest0-21swapper/011:45:220
2094599745,62cyclictest0-21swapper/009:22:490
2094599744,64cyclictest0-21swapper/010:00:480
2094599737,7cyclictest0-21swapper/010:12:240
20945997312,56cyclictest0-21swapper/011:51:500
20945997310,5cyclictest0-21swapper/009:42:380
20945997310,5cyclictest0-21swapper/009:42:380
2094599722,66cyclictest1593-21diskmemload12:04:030
2094599722,66cyclictest1593-21diskmemload12:04:030
2094599719,56cyclictest0-21swapper/012:19:510
2094599716,6cyclictest0-21swapper/011:34:190
2094599715,7cyclictest0-21swapper/011:54:480
2094599715,60cyclictest0-21swapper/010:57:330
2094599715,59cyclictest0-21swapper/010:42:280
2094599715,59cyclictest0-21swapper/009:37:050
2094599715,59cyclictest0-21swapper/009:37:050
2094599714,60cyclictest0-21swapper/010:48:440
20945997111,54cyclictest0-21swapper/010:18:060
20945997110,55cyclictest0-21swapper/011:42:070
2094599706,7cyclictest0-21swapper/011:08:000
2094599705,7cyclictest0-21swapper/010:51:020
2094599705,7cyclictest0-21swapper/009:26:240
2094599705,7cyclictest0-21swapper/008:58:520
2094599705,59cyclictest0-21swapper/012:16:410
2094599705,59cyclictest0-21swapper/012:13:350
2094599705,59cyclictest0-21swapper/010:32:420
2094599705,58cyclictest0-21swapper/009:06:100
2094599704,7cyclictest0-21swapper/010:27:430
2094599704,7cyclictest0-21swapper/010:27:430
2094599704,59cyclictest0-21swapper/011:32:380
2094599704,59cyclictest0-21swapper/009:33:010
2094599697,7cyclictest0-21swapper/011:18:460
2094599694,59cyclictest0-21swapper/011:11:480
2094599694,59cyclictest0-21swapper/010:34:230
2094599694,58cyclictest0-21swapper/009:54:550
2094599693,59cyclictest9985-21ssh11:58:520
2094599685,56cyclictest0-21swapper/009:12:430
2094599684,6cyclictest0-21swapper/011:13:480
2094599684,6cyclictest0-21swapper/011:13:480
2094599684,58cyclictest0-21swapper/012:24:160
2094599684,58cyclictest0-21swapper/010:59:510
2094599684,57cyclictest0-21swapper/007:09:150
2094599683,58cyclictest17523-21ssh11:25:180
2094599674,7cyclictest0-21swapper/009:49:510
2094599674,7cyclictest0-21swapper/009:46:370
2094599673,7cyclictest30659-21munin-node10:18:560
2094599673,58cyclictest15449-21ssh09:15:330
2094599664,56cyclictest0-21swapper/010:07:260
2094599662,7cyclictest23427-21/usr/sbin/munin07:04:220
2094599662,57cyclictest908-21switchtime08:54:140
2094599652,56cyclictest26678-21/usr/sbin/munin08:39:110
2094599652,56cyclictest26678-21/usr/sbin/munin08:39:110
2094599634,52cyclictest0-21swapper/007:14:010
2094599634,24cyclictest0-21swapper/008:28:580
2094599633,9cyclictest0-21swapper/008:53:230
2094599632,6cyclictest22840-21latency_hist08:28:490
2094599632,54cyclictest15424-21/usr/sbin/munin08:09:000
20945996310,47cyclictest0-21swapper/007:01:590
20945996310,47cyclictest0-21swapper/007:01:590
2094599624,51cyclictest0-21swapper/007:27:040
2094599622,27cyclictest627-21snmpd08:16:310
2096099612,54cyclictest3862-21crond11:08:453
2094599613,7cyclictest0-21swapper/007:40:060
2094599613,52cyclictest0-21swapper/007:19:180
2096099604,10cyclictest0-21swapper/309:44:133
2094599604,6cyclictest0-21swapper/008:47:190
2094599604,6cyclictest0-21swapper/008:47:190
2095599585,47cyclictest0-21swapper/211:39:232
2094599584,6cyclictest0-21swapper/008:07:390
2094599583,50cyclictest0-21swapper/008:36:570
2048925812,39sleep20-21swapper/206:56:162
2048925812,39sleep20-21swapper/206:56:162
2096099574,47cyclictest0-21swapper/312:09:293
2096099563,48cyclictest0-21swapper/309:59:023
2095599564,46cyclictest0-21swapper/212:27:022
2095599563,47cyclictest3908-21ssh11:49:332
2096099554,6cyclictest0-21swapper/309:15:063
2096099553,48cyclictest0-21swapper/312:03:433
2096099547,7cyclictest0-21swapper/311:47:433
2096099542,7cyclictest6858-21/usr/sbin/munin11:54:033
2096099533,44cyclictest0-21swapper/310:14:033
2095599534,43cyclictest0-21swapper/211:01:542
2095599534,43cyclictest0-21swapper/210:05:562
2095599533,44cyclictest0-21swapper/212:01:332
2096099523,44cyclictest0-21swapper/310:11:483
2096099523,44cyclictest0-21swapper/309:33:163
2096099522,6cyclictest9450-21latency_hist10:33:453
2095599524,43cyclictest0-21swapper/210:56:142
2095599524,42cyclictest0-21swapper/211:48:332
2095599524,41cyclictest0-21swapper/209:04:172
2095599523,43cyclictest2418-21iostat_ios08:59:042
20945995217,7cyclictest12853-21grep07:59:180
20945995215,7cyclictest10292-21iostat07:54:060
2096099515,40cyclictest0-21swapper/312:24:083
2096099515,40cyclictest0-21swapper/309:56:433
2096099514,42cyclictest0-21swapper/308:07:183
2096099514,41cyclictest0-21swapper/309:24:463
2096099514,41cyclictest0-21swapper/307:44:153
2096099513,44cyclictest0-21swapper/310:39:293
2096099513,42cyclictest0-21swapper/311:14:233
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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