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2025-04-02 - 08:19
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack4slot1.osadl.org (updated Wed Apr 02, 2025 00:44:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1491821390,4sleep10-21swapper/100:25:551
1491821390,4sleep10-21swapper/100:25:551
2729321300,3sleep10-21swapper/100:00:271
2729321300,3sleep10-21swapper/100:00:271
508521240,2chrt0-21swapper/322:55:453
247902790,3chrt0-21swapper/122:00:571
247902790,3chrt0-21swapper/122:00:571
78032720,4sleep10-21swapper/121:41:031
78032720,4sleep10-21swapper/121:41:031
87662660,6sleep227-21ksoftirqd/223:37:372
167892650,2sleep20-21swapper/200:29:132
167892650,2sleep20-21swapper/200:29:132
527099641,51cyclictest17969-21ssh00:30:490
527099641,51cyclictest17969-21ssh00:30:490
173172610,2chrt16161-21/usr/sbin/munin22:30:562
173172610,2chrt16161-21/usr/sbin/munin22:30:562
27592590,3chrt2270-21/usr/sbin/munin21:35:542
27592590,3chrt2270-21/usr/sbin/munin21:35:542
151452570,4sleep114677-21/usr/sbin/munin21:50:481
151452570,4sleep114677-21/usr/sbin/munin21:50:481
220662550,1sleep20-21swapper/221:20:302
32152540,4sleep227-21ksoftirqd/223:31:012
32152540,4sleep227-21ksoftirqd/223:31:012
26412530,2chrt0-21swapper/123:30:561
26412530,2chrt0-21swapper/123:30:561
206652530,2sleep00-21swapper/023:14:150
206652530,2sleep00-21swapper/023:14:150
162522520,2sleep216262-21ssh23:09:162
162522520,2sleep216262-21ssh23:09:162
53362510,4chrt0-21swapper/121:38:461
53362510,4chrt0-21swapper/121:38:461
38342510,2sleep03835-21diskmemload23:31:570
38342510,2sleep03835-21diskmemload23:31:570
17572510,3sleep10-21swapper/121:35:171
17572510,3sleep10-21swapper/121:35:171
81172500,3sleep00-21swapper/023:36:380
11912490,2sleep20-21swapper/222:50:502
11912490,2sleep20-21swapper/222:50:502
136082480,10sleep333-21ksoftirqd/323:05:223
136082480,10sleep333-21ksoftirqd/323:05:223
89392470,4sleep10-21swapper/123:37:521
149902470,2sleep00-21swapper/023:45:220
527099466,25cyclictest38650irq/55-eth019:50:550
527099466,25cyclictest38650irq/55-eth019:50:550
317602460,2sleep30-21swapper/300:05:433
317602460,2sleep30-21swapper/300:05:433
254182460,5sleep121-21ksoftirqd/123:19:351
192832460,3sleep10-21swapper/121:16:071
158352450,2sleep00-21swapper/021:12:490
158352450,2sleep00-21swapper/021:12:490
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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