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2025-05-23 - 10:52
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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 rack0slot1.osadl.org (updated Fri May 23, 2025 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1088121890,3sleep31569399cyclictest22:12:213
720221610,1sleep616495-21chk_conn_tcp19:12:436
156849915934,93cyclictest27157-21openvpn19:12:120
3239521570,1sleep332391-21chk_conn_tcp21:23:573
1548621540,0sleep60-21swapper/622:24:346
2635221490,0sleep30-21swapper/322:17:333
1465121470,1sleep014639-21chk_conn_tcp22:57:370
1008621420,2sleep01568499cyclictest23:06:500
156979914162,2cyclictest70-21ksoftirqd/622:37:566
1189521400,2sleep01568499cyclictest23:29:100
2276621390,2sleep31569399cyclictest20:01:283
156969913832,36cyclictest0-21swapper/519:40:325
341321360,0sleep60-21swapper/600:05:226
1595421350,3sleep41569499cyclictest20:26:534
106521280,0sleep60-21swapper/623:25:476
2384521250,0sleep30-21swapper/300:28:183
2135921250,0sleep10-21swapper/122:26:371
156969912534,51cyclictest3730-21watchprog-ntop19:26:065
156939912434,43cyclictest3730-21watchprog-ntop23:50:363
120321240,0sleep123-21rcuc/121:24:271
156979912250,55cyclictest30369-21chk_conn_tcp20:04:346
15696991220,62cyclictest0-21swapper/520:09:235
15696991211,44cyclictest0-21swapper/520:41:265
15696991211,44cyclictest0-21swapper/520:41:265
2858821190,2sleep41569499cyclictest21:33:354
15696991191,61cyclictest3730-21watchprog-ntop00:31:455
156939911835,35cyclictest14342-21chk_conn_tcp23:54:203
15684991189,47cyclictest0-21swapper/020:51:030
156849911834,79cyclictest4673-21chk_conn_tcp22:36:520
156849911834,79cyclictest4673-21chk_conn_tcp22:36:520
918721170,1sleep59179-21chk_conn_tcp19:13:065
15693991176,60cyclictest3730-21watchprog-ntop23:29:143
156979911612,68cyclictest3730-21watchprog-ntop23:54:526
156939911617,30cyclictest11684-21sh22:45:253
156939911613,41cyclictest0-21swapper/300:23:443
3233021140,1sleep777-21rcuc/722:41:177
15693991140,33cyclictest0-21swapper/322:53:583
2644521130,0sleep70-21swapper/719:20:377
156939911351,1cyclictest5787-21chk_conn_tcp22:32:033
156849911335,62cyclictest188850irq/25-eth021:59:280
156849911221,51cyclictest27802-21chk_conn_tcp22:50:450
156849911215,0cyclictest0-21swapper/021:33:160
1815321110,1sleep418147-21chk_conn_tcp00:27:154
163421100,3sleep21569199cyclictest19:23:532
2676221080,0sleep10-21swapper/100:29:201
1654921070,1sleep232-21rcuc/219:44:362
156969910744,1cyclictest5787-21chk_conn_tcp23:27:375
2800321060,0sleep00-21swapper/019:21:350
156979910651,18cyclictest3730-21watchprog-ntop19:09:006
156939910651,38cyclictest18171-21postmaster21:45:343
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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