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2023-10-03 - 22:17
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack0slot2.osadl.org (updated Tue Oct 03, 2023 12:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
820387991612,3cyclictest1053-21snmpd07:18:257
820387991612,3cyclictest1053-21snmpd07:18:257
82038799140,1cyclictest1198076-21ssh10:13:297
82038799139,3cyclictest1053-21snmpd09:08:557
820387991310,2cyclictest1053-21snmpd09:38:377
82038799130,1cyclictest0-21swapper/710:06:577
82038599132,2cyclictest0-21swapper/509:38:165
820384991313,0cyclictest0-21swapper/412:22:134
82038499130,0cyclictest0-21swapper/410:21:474
82038799128,3cyclictest1053-21snmpd12:17:477
82038799128,3cyclictest1053-21snmpd07:24:137
820387991212,0cyclictest0-21swapper/710:22:107
820385991212,0cyclictest0-21swapper/512:18:455
820385991212,0cyclictest0-21swapper/510:58:215
820385991212,0cyclictest0-21swapper/507:19:225
82038599120,3cyclictest0-21swapper/510:09:465
82038599120,3cyclictest0-21swapper/508:17:435
82038599120,12cyclictest0-21swapper/508:59:575
82038599120,0cyclictest0-21swapper/511:30:125
820384991212,0cyclictest0-21swapper/412:15:084
82038499120,12cyclictest0-21swapper/409:37:194
82038799118,2cyclictest1053-21snmpd12:22:057
82038799118,2cyclictest1053-21snmpd10:58:277
82038799118,2cyclictest1053-21snmpd08:03:567
82038799117,3cyclictest1053-21snmpd08:14:447
82038799117,3cyclictest1053-21snmpd07:12:557
82038799117,3cyclictest1029654-21cat08:59:207
820386991111,0cyclictest0-21swapper/610:10:016
82038599112,2cyclictest0-21swapper/510:05:075
82038599110,2cyclictest0-21swapper/512:22:215
82038599110,2cyclictest0-21swapper/509:07:185
82038599110,0cyclictest0-21swapper/507:25:415
820384991111,0cyclictest0-21swapper/411:29:434
820384991111,0cyclictest0-21swapper/410:13:544
82038499110,0cyclictest0-21swapper/409:08:094
13031332110,0chrt0-21swapper/610:58:296
82038799106,3cyclictest1053-21snmpd08:09:417
82038799106,3cyclictest1053-21snmpd07:19:317
82038799103,5cyclictest981970-21grep08:33:577
82038799100,8cyclictest1257038-21munin-plugin-st10:38:577
82038699100,0cyclictest0-21swapper/608:17:476
820385991010,0cyclictest0-21swapper/510:19:345
82038599100,1cyclictest0-21swapper/508:09:145
82038599100,1cyclictest0-21swapper/507:13:185
820384991010,0cyclictest0-21swapper/409:02:574
820384991010,0cyclictest0-21swapper/407:59:534
820384991010,0cyclictest0-21swapper/407:24:064
82038499100,10cyclictest0-21swapper/408:10:274
82038499100,0cyclictest0-21swapper/407:14:394
82038499100,0cyclictest0-21swapper/407:14:394
8203879994,4cyclictest1019320-21date08:53:587
8203879991,5cyclictest3382767-21systemd-journal12:38:567
8203879991,5cyclictest3382767-21systemd-journal11:28:577
8203869999,0cyclictest0-21swapper/608:00:456
8203869999,0cyclictest0-21swapper/607:24:486
8203869999,0cyclictest0-21swapper/607:09:596
8203869990,9cyclictest0-21swapper/612:16:566
8203869990,9cyclictest0-21swapper/609:34:296
8203869990,9cyclictest0-21swapper/608:11:566
8203869990,5cyclictest0-21swapper/610:20:216
8203859990,1cyclictest0-21swapper/512:13:575
8203859990,0cyclictest0-21swapper/509:53:575
8203859990,0cyclictest0-21swapper/508:00:535
8203859990,0cyclictest0-21swapper/507:16:345
8203859990,0cyclictest0-21swapper/507:16:345
8203879984,3cyclictest963532-21cat08:23:577
8203879984,3cyclictest963532-21cat08:23:577
8203879984,3cyclictest898594-21cut07:48:587
8203879983,4cyclictest917179-21date07:58:587
8203879983,4cyclictest907854-21cat07:53:587
8203879983,4cyclictest889001-21systemd-run07:43:577
8203879983,4cyclictest820423-21cut07:08:587
8203879983,4cyclictest1338817-21basename11:13:577
8203879983,4cyclictest1327332-21cut11:08:577
8203879983,4cyclictest1269023-21cut10:43:577
8203879983,4cyclictest1245530-21cut10:33:577
8203879983,4cyclictest1140743-21latency_hist09:48:577
8203879983,4cyclictest1093777-21cat09:28:587
8203879983,4cyclictest1009994-21cut08:48:577
8203879983,3cyclictest1467067-21true12:08:577
8203879982,4cyclictest3382767-21systemd-journal08:08:577
8203879980,5cyclictest3382767-21systemd-journal11:58:567
8203879980,5cyclictest3382767-21systemd-journal11:48:567
8203879980,5cyclictest3382767-21systemd-journal11:18:577
8203869983,5cyclictest0-21swapper/612:19:016
8203869983,5cyclictest0-21swapper/607:19:306
8203869980,8cyclictest0-21swapper/611:29:266
8203869980,5cyclictest0-21swapper/610:04:166
8203879974,2cyclictest991426-21cat08:38:577
8203879973,3cyclictest789-21NetworkManager11:23:577
8203879973,3cyclictest1432091-21date11:53:577
8203879973,3cyclictest1292360-21date10:53:577
8203879973,3cyclictest1210510-21date10:18:577
8203879973,3cyclictest1028759-21latency_hist08:58:577
8203879972,4cyclictest870499-21latency_hist07:33:577
8203879972,4cyclictest870499-21latency_hist07:33:577
8203879972,4cyclictest1164027-21cat09:58:587
8203879972,4cyclictest1152132-21sh09:53:577
8203879972,4cyclictest1128764-21sh09:43:577
8203879972,3cyclictest772-21systemd-machine11:03:577
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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