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2025-12-11 - 07:01
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack3slot2.osadl.org (updated Thu Dec 11, 2025 00:44:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
110187822960,4chrt1101880-21sort23:10:100
104879522640,4chrt366-21snmpd20:26:040
111786122580,3chrt1117862-21collect223:56:270
108854422540,2sleep01088545-21cat22:30:410
112977722530,2sleep01129778-21ntp_states00:31:440
109523522470,2sleep01095233-21if_err_wlan022:50:290
107325922470,4chrt1073255-21ntpq21:45:540
106863422460,3sleep01068637-21grep21:32:030
109217422450,3chrt1092168-21ntpq22:41:140
107156622450,3chrt1071561-21ntpq21:40:570
104172022410,3chrt1041717-21ntpq20:00:430
105540122350,3chrt1055402-21idleruntime20:50:230
105295422350,3chrt1052955-21ntp_offset20:40:550
106515922270,5chrt1065158-21/usr/sbin/munin21:22:020
108504122250,3chrt1085042-21uname22:20:350
102725699225191,22cyclictest1063186-21collect221:16:330
105045422040,3sleep01050456-21timerandwakeup20:31:200
107997022010,3sleep01079971-21sh22:05:370
103185221960,3sleep01031853-21cat19:25:310
105246521870,2sleep01052467-21grep20:40:070
102725699186155,20cyclictest1110576-21kworker/u2:000:20:010
110389421830,3chrt1103895-21cat23:15:370
102725699177146,19cyclictest1122123-21kworker/u2:300:10:460
105432521760,4chrt1054326-21ntpq20:45:530
102725699176145,21cyclictest29-21kswapd000:01:060
102725699175145,19cyclictest1106872-21kworker/u2:323:35:100
102725699175141,23cyclictest1127315-21true00:25:040
102725699174144,18cyclictest1039826-21kworker/u2:220:15:370
102725699173141,20cyclictest84-21jbd2/mmcblk0p2-19:30:370
102725699172141,20cyclictest84-21jbd2/mmcblk0p2-23:15:060
111126821710,4chrt1111269-21mailstats23:36:560
102725699171140,20cyclictest1070531-21kworker/u2:022:50:070
102725699169140,19cyclictest1030069-21kworker/u2:019:25:050
102725699169139,19cyclictest1070531-21kworker/u2:022:56:510
102725699169139,19cyclictest1070531-21kworker/u2:021:40:010
102725699169138,20cyclictest1028558-21kworker/u2:119:15:040
111569321680,4chrt1115691-21ssh23:50:210
102725699168138,19cyclictest1076124-21kworker/u2:421:55:050
112781521660,4chrt1127802-21ntpq00:25:450
111548121640,3chrt1115472-21munin-run23:50:060
108688921640,4chrt1086884-21ntpq22:25:430
102725699164133,19cyclictest1039826-21kworker/u2:220:00:080
104321121630,4chrt1043209-21ntpq20:06:020
102725699162131,19cyclictest1128567-21kworker/u2:300:35:280
102725699161131,20cyclictest1038422-21kworker/u2:119:55:040
102725699159128,20cyclictest1058441-21kworker/u2:221:06:170
102725699159128,19cyclictest1070531-21kworker/u2:022:00:060
102725699156127,18cyclictest1039826-21kworker/u2:220:11:190
102725699155125,19cyclictest1110576-21kworker/u2:000:10:000
102725699155124,20cyclictest1054971-21kworker/u2:021:26:570
102725699151122,18cyclictest1076124-21kworker/u2:422:01:390
102725699150120,19cyclictest1054971-21kworker/u2:021:05:070
102725699149118,20cyclictest1076124-21kworker/u2:423:05:060
102725699147118,19cyclictest1060988-21kworker/u2:321:12:030
102725699147117,20cyclictest84-21jbd2/mmcblk0p2-23:26:150
102725699147117,19cyclictest1023529-21kworker/u2:219:16:160
102725699144117,16cyclictest1101302-21kworker/u2:223:23:410
102725699144115,19cyclictest1076124-21kworker/u2:422:35:140
102725699143115,17cyclictest1034174-21kworker/u2:019:40:020
102725699143113,18cyclictest1113272-21kworker/u2:223:45:100
102725699136106,20cyclictest29-21kswapd022:11:350
102725699136104,20cyclictest1039826-21kworker/u2:220:20:120
102725699134104,21cyclictest1049454-21kworker/u2:120:55:480
102725699130101,18cyclictest1035650-21kworker/u2:219:45:040
102725699130100,19cyclictest1070531-21kworker/u2:022:20:080
10272569912494,19cyclictest1034174-21kworker/u2:019:45:360
1027256999970,18cyclictest1022103-21kworker/u2:019:10:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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