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2025-11-24 - 13:50
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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 376 highest latencies:
System rack3slot2.osadl.org (updated Mon Nov 24, 2025 12:44:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
84216522640,3chrt842154-21ntpq07:41:200
90773122520,2sleep0907732-21ssh11:14:380
83314599248220,17cyclictest836395-21kworker/u2:207:40:120
88343022440,3chrt883428-21ssh10:00:460
86849122400,4chrt868490-21sed09:15:120
92015422360,4chrt920106-21ntp_states11:51:440
91512422360,4chrt915125-21grep11:36:170
86050822250,2sleep0860510-21grep08:46:200
83314599216185,19cyclictest847052-21kworker/u2:008:00:040
83314599211181,19cyclictest869859-21kworker/u2:309:25:050
85587022100,2sleep0855872-21latency08:30:280
83314599208176,20cyclictest858798-21kworker/u2:208:41:230
88237222060,2sleep0882375-21wc09:56:540
83314599204176,17cyclictest899804-21kworker/u2:311:01:300
90843522030,2sleep0908436-21ntpq11:16:090
93172022010,3sleep0931721-21ld12:26:310
83314599201173,18cyclictest851761-21kworker/u2:008:30:040
85271321990,3chrt852714-21sendmail08:20:000
83314599199168,19cyclictest864339-21kworker/u2:209:16:490
83314599192163,18cyclictest876080-21kworker/u2:009:50:060
83314599191163,17cyclictest849958-21kworker/u2:308:15:040
88810521880,2sleep0888107-21find10:15:090
83314599188161,17cyclictest848551-21kworker/u2:108:10:040
83314599186158,17cyclictest851761-21kworker/u2:008:21:210
83314599186157,18cyclictest866684-21kworker/u2:110:25:100
83314599185155,17cyclictest830817-21kworker/u2:107:15:070
83314599184154,18cyclictest841826-21kworker/u2:007:46:180
90211521830,2sleep0902113-21sendmail_mailqu10:56:500
90122921820,2sleep0901231-21ls10:54:590
83314599182153,19cyclictest866684-21kworker/u2:110:20:020
83314599182152,18cyclictest912725-21kworker/u2:312:10:100
93596421800,4chrt935958-21systemctl12:40:000
83314599180149,21cyclictest29-21kswapd009:41:440
83314599179149,21cyclictest29-21kswapd009:26:320
83314599178150,17cyclictest892616-21kworker/u2:010:30:050
83314599178148,18cyclictest912725-21kworker/u2:312:31:330
83314599177148,18cyclictest887899-21kworker/u2:211:21:550
83314599177147,19cyclictest905812-21kworker/u2:011:26:510
83314599177138,17cyclictest905812-21kworker/u2:011:35:070
83314599175147,18cyclictest861099-21kworker/u2:008:55:070
92123221730,5chrt921231-21grep11:55:150
83314599173144,18cyclictest894332-21kworker/u2:111:06:550
83314599172145,17cyclictest920563-21kworker/u2:112:05:060
89514621710,4chrt895143-21ntpq10:35:410
83314599171141,18cyclictest869859-21kworker/u2:309:35:060
83314599171140,21cyclictest879548-21kworker/u2:310:06:510
83314599169142,17cyclictest887899-21kworker/u2:210:35:100
83314599169140,17cyclictest861099-21kworker/u2:009:01:160
83314599168139,18cyclictest857296-21kworker/u2:108:36:230
83615321670,4chrt836151-21df07:20:120
83314599167140,18cyclictest887899-21kworker/u2:210:50:070
83314599167138,18cyclictest887899-21kworker/u2:210:41:550
83314599166138,19cyclictest925638-21kworker/u2:012:17:010
83314599166130,25cyclictest925638-21kworker/u2:012:15:020
83314599165138,17cyclictest830817-21kworker/u2:107:20:040
83234221630,4chrt832338-21ntp_states07:05:520
83314599162133,18cyclictest866684-21kworker/u2:109:36:550
83314599161131,18cyclictest836395-21kworker/u2:207:35:010
83314599159130,18cyclictest879548-21kworker/u2:309:55:100
83314599159128,19cyclictest925638-21kworker/u2:012:21:210
83314599157128,19cyclictest830817-21kworker/u2:107:25:070
83314599152123,18cyclictest844363-21kworker/u2:107:55:020
83314599151120,20cyclictest857296-21kworker/u2:108:50:300
83314599150124,16cyclictest864339-21kworker/u2:209:10:100
83314599148119,18cyclictest912725-21kworker/u2:311:45:320
83314599148119,18cyclictest912725-21kworker/u2:311:40:270
83314599144115,18cyclictest847052-21kworker/u2:008:00:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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