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2026-04-28 - 20:56
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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 Tue Apr 28, 2026 12:43:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20504997812,5cyclictest0-21swapper/309:30:303
2050499764,40cyclictest0-21swapper/310:23:233
2050499728,37cyclictest0-21swapper/309:24:233
20504997118,29cyclictest30846-21ntpq11:10:163
2049099714,7cyclictest0-21swapper/108:20:221
232452680,4sleep011-21rcuc/009:37:200
2049099685,7cyclictest0-21swapper/108:05:231
2049099672,59cyclictest17335-21iostat_ios08:25:161
2049099653,56cyclictest7497-21aten_rbpower_cu08:00:091
2049099652,57cyclictest18707-21/usr/sbin/munin08:30:231
2049099652,57cyclictest11394-21df_inode08:10:101
2049099644,53cyclictest0-21swapper/107:27:041
2049099643,55cyclictest0-21swapper/108:15:151
2049099633,54cyclictest32626-21uniq07:40:131
2049099632,7cyclictest28648-21/usr/sbin/munin07:30:251
2049099632,6cyclictest31276-21ntpq07:35:241
2049099632,6cyclictest31276-21ntpq07:35:241
2049099632,55cyclictest3889-21cpu07:50:121
2049099622,53cyclictest5603-21/usr/sbin/munin07:55:241
2049099622,53cyclictest2397-21kernelversion07:45:171
1993725912,17sleep20-21swapper/207:06:192
2049099584,8cyclictest0-21swapper/107:19:051
20490995821,31cyclictest580-21irqbalance10:11:211
2049099582,6cyclictest20757-21diskstats08:35:111
2048699565,45cyclictest9954-21grep09:20:180
20490995521,28cyclictest28964-21sh11:50:111
20490995521,28cyclictest28964-21sh11:50:111
2049799544,45cyclictest0-21swapper/212:20:342
2049799544,45cyclictest0-21swapper/212:19:532
2049799544,28cyclictest0-21swapper/211:10:212
2049099543,5cyclictest0-21swapper/107:25:001
20504995310,6cyclictest4042-21kworker/3:209:55:113
2049799533,9cyclictest0-21swapper/212:04:482
2049799533,44cyclictest0-21swapper/209:34:112
2049099534,16cyclictest0-21swapper/111:03:501
2049099533,8cyclictest0-21swapper/107:10:051
20490995318,7cyclictest21930-21sensors09:35:231
20486995319,29cyclictest23936-21wc12:25:180
20486995317,30cyclictest1084-21diskmemload09:14:430
2050499524,42cyclictest0-21swapper/311:48:313
2050499524,42cyclictest0-21swapper/311:48:313
2050499524,42cyclictest0-21swapper/309:52:013
2050499524,42cyclictest0-21swapper/309:18:143
2050499523,42cyclictest0-21swapper/310:50:303
2049799522,45cyclictest29-21ksoftirqd/212:14:532
2049099524,19cyclictest0-21swapper/110:52:291
2049099523,18cyclictest30803-21wget12:35:041
2049099523,18cyclictest30803-21wget12:35:041
20490995217,5cyclictest152362sleep112:14:571
2048699524,6cyclictest0-21swapper/011:40:170
2048699523,8cyclictest8450-21/usr/sbin/munin12:05:170
2048699522,44cyclictest3725-21/usr/sbin/munin12:00:090
20486995218,29cyclictest9359-21/usr/sbin/munin08:05:230
20486995217,29cyclictest590-21ntpd09:50:180
20486995217,29cyclictest1084-21diskmemload10:49:440
20486995216,30cyclictest8902-21crond09:19:560
20486995215,32cyclictest22568-21expr11:00:080
2050499515,39cyclictest0-21swapper/311:00:083
2050499513,42cyclictest5028-21ssh11:19:523
2050499513,22cyclictest0-21swapper/312:25:123
2050499512,43cyclictest30407-21ssh11:51:403
2050499512,43cyclictest30407-21ssh11:51:403
2049799514,6cyclictest0-21swapper/211:00:242
2049799513,43cyclictest0-21swapper/210:48:042
2049799512,7cyclictest25699-21open_files09:40:222
20497995114,33cyclictest15162-21sh09:26:462
2049099515,20cyclictest0-21swapper/111:10:191
2049099514,20cyclictest0-21swapper/110:24:291
2049099514,17cyclictest0-21swapper/110:08:401
2049099513,14cyclictest413-21/usr/sbin/munin09:50:111
20490995123,24cyclictest10404-21sort11:25:231
20490995121,26cyclictest21009-21fschecks_time11:40:091
2049099512,18cyclictest2482650/usr/sbin/munin09:40:111
20490995119,6cyclictest32248-21/usr/sbin/munin11:55:191
20490995118,8cyclictest559-21NetworkManager10:19:551
20490995116,7cyclictest8441-21fschecks_time10:00:121
20490995116,7cyclictest8441-21fschecks_time10:00:121
20490995116,6cyclictest1084-21diskmemload09:21:131
20490995115,6cyclictest8604-21sensors_temp12:05:201
20490995115,6cyclictest30608-21needreboot09:00:181
20490995114,5cyclictest0-21swapper/109:15:131
20490995111,10cyclictest0-21swapper/110:55:151
20490995111,10cyclictest0-21swapper/110:55:151
2048699519,37cyclictest15565-21runrttasks12:15:050
2048699513,13cyclictest19942-21grep08:30:280
20486995123,24cyclictest30293-21crond07:34:590
20486995120,27cyclictest3337-21idleruntime10:35:120
20486995119,27cyclictest28875-21grep08:55:230
20486995118,29cyclictest4761-21timerandwakeup07:50:290
20486995115,31cyclictest20198-21sh10:56:140
20486995115,31cyclictest20198-21sh10:56:140
20486995115,30cyclictest28613-21fschecks_count11:50:070
20486995115,30cyclictest28613-21fschecks_count11:50:070
2050499504,39cyclictest0-21swapper/311:35:193
2050499504,39cyclictest0-21swapper/308:50:193
2050499503,41cyclictest0-21swapper/310:37:283
20504995011,33cyclictest0-21swapper/312:03:233
20504995010,8cyclictest0-21swapper/311:25:403
2049799504,40cyclictest0-21swapper/210:25:152
2049799504,40cyclictest0-21swapper/209:13:342
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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