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2025-04-02 - 04:17
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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 20 highest latencies:
System rack0slot1.osadl.org (updated Wed Apr 02, 2025 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2346921460,0sleep60-21swapper/619:33:106
1616221450,2sleep2242199cyclictest20:57:032
672121420,2sleep2242199cyclictest23:09:082
24249913839,39cyclictest0-21swapper/500:23:405
108121350,2sleep7242799cyclictest20:32:007
108121350,2sleep7242799cyclictest20:32:007
1238621340,0sleep30-21swapper/322:44:573
24189913228,38cyclictest0-21swapper/023:47:520
1560321320,1sleep1242099cyclictest20:04:461
24249912928,22cyclictest0-21swapper/520:46:145
2804621250,0sleep10-21swapper/121:16:491
1662921250,0sleep60-21swapper/620:57:236
2424991245,51cyclictest6439-21ssh21:48:445
24249912224,35cyclictest0-21swapper/520:00:185
24229912251,59cyclictest5787-21chk_conn_tcp00:25:163
2422991203,43cyclictest0-21swapper/323:03:323
24229911919,50cyclictest0-21swapper/322:11:103
24249911822,1cyclictest3730-21watchprog-ntop23:16:215
24189911329,18cyclictest0-21swapper/019:27:110
2842421120,0sleep00-21swapper/019:52:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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