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2024-04-19 - 19:34
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 50 highest latencies:
System rackcslot0.osadl.org (updated Fri Apr 19, 2024 00:43:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
90421780,4sleep111951099cyclictest22:43:543
1395621750,6sleep31949899cyclictest21:39:199
2956821380,5sleep101950999cyclictest23:55:502
187842124104,15sleep100-21swapper/1019:09:102
188332118103,11sleep10-21swapper/119:09:491
2794721130,4sleep131951299cyclictest23:42:305
18794211391,18sleep140-21swapper/1419:09:146
961421090,4sleep61950299cyclictest21:59:0912
18883210773,29sleep130-21swapper/1319:10:335
18936210691,9sleep80-21swapper/819:11:1614
18931210675,26sleep30-21swapper/319:11:119
15585210592,9sleep50-21swapper/519:07:1311
1575821030,1sleep100-21swapper/1021:02:312
157421030,1sleep70-21swapper/723:34:5513
18681210291,7sleep120-21swapper/1219:07:524
2616521010,0sleep20-21swapper/222:51:468
2831021000,7sleep81950599cyclictest22:05:5214
1435921000,0sleep140-21swapper/1400:16:466
255812990,1sleep90-21swapper/922:01:2115
255302980,1sleep10-21swapper/123:25:271
313742960,6sleep131951299cyclictest22:43:405
228162930,2sleep121951199cyclictest22:30:014
24722920,1sleep60-21swapper/623:52:1712
180032920,5sleep101950999cyclictest00:12:092
165192910,1sleep90-21swapper/900:25:1415
158982910,1sleep9881rcuc/922:20:5215
190122900,1sleep40-21swapper/400:12:1910
1558428972,4sleep40-21swapper/419:07:1210
264692880,1sleep100-21swapper/1021:44:472
174382880,1sleep30-21swapper/322:33:369
114222880,1sleep40-21swapper/421:14:2710
1883228772,11sleep00-21swapper/019:09:480
268822860,6sleep141951499cyclictest23:08:176
268822860,6sleep141951499cyclictest23:08:176
1874128675,6sleep150-21swapper/1519:08:437
134232860,2sleep413420-21systemd-cgroups22:03:4010
42572850,0sleep30-21swapper/320:47:429
108222850,0sleep110-21swapper/1123:57:273
94082840,0sleep10-21swapper/122:16:111
263072840,1sleep10971ktimersoftd/1023:38:112
304772830,1sleep10-21swapper/121:41:251
1886228375,4sleep90-21swapper/919:10:1315
1879928375,4sleep20-21swapper/219:09:188
187742830,7sleep11949599cyclictest23:11:491
187742830,7sleep11949599cyclictest23:11:491
1877228375,4sleep60-21swapper/619:09:0612
1875428372,7sleep110-21swapper/1119:08:553
1873228372,6sleep70-21swapper/719:08:3513
154432830,0sleep10-21swapper/121:52:071
82622820,0sleep00-21swapper/023:40:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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