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2025-12-29 - 09:36
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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 rackeslot8.osadl.org (updated Mon Dec 29, 2025 00:43:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1079034992623,1cyclictest0-21swapper/323:50:013
1079034992522,1cyclictest0-21swapper/300:25:013
1079034992421,1cyclictest0-21swapper/320:10:013
1079034992219,1cyclictest0-21swapper/320:59:593
1079034992017,1cyclictest0-21swapper/322:50:113
1079034992017,1cyclictest0-21swapper/320:35:013
107903499200,15cyclictest1197480-21taskset20:40:003
1079034991916,1cyclictest0-21swapper/322:10:183
1079034991916,1cyclictest0-21swapper/321:05:203
107903499191,13cyclictest1384673-21turbostat23:04:593
107903499188,6cyclictest1429752-21turbostat23:40:003
1079034991815,1cyclictest0-21swapper/323:25:153
1079034991815,1cyclictest0-21swapper/323:13:103
1079034991815,1cyclictest0-21swapper/300:35:213
107903499181,13cyclictest1423255-21turbostat23:35:003
107903499181,13cyclictest1410397-21turbostat23:24:593
107903499181,13cyclictest1326819-21taskset22:20:123
107903499181,13cyclictest1132877-21taskset19:50:113
107903499181,12cyclictest1249234-21chrt21:20:003
1079034991714,1cyclictest0-21swapper/321:35:193
107903499171,12cyclictest1256427-21taskset21:25:183
107903499171,12cyclictest1132612-21sleep19:50:013
107903499171,12cyclictest1084550-21taskset19:10:203
107903499170,14cyclictest1229087-21chrt21:01:053
107903499170,12cyclictest1403956-21taskset23:19:553
1079034991613,1cyclictest0-21swapper/322:50:013
1079034991613,1cyclictest0-21swapper/322:40:163
1079034991613,1cyclictest0-21swapper/321:55:163
1079034991613,1cyclictest0-21swapper/321:15:253
1079034991613,1cyclictest0-21swapper/319:30:183
107903499161,12cyclictest1500689-21taskset00:34:493
107903499161,12cyclictest1468078-21taskset00:06:393
107903499161,12cyclictest1449454-21taskset23:55:133
107903499161,12cyclictest1339372-21turbostat22:30:003
107903499161,12cyclictest1326458-21taskset22:19:233
107903499161,12cyclictest1281408-21taskset21:44:333
107903499161,12cyclictest1238524-21taskset21:10:193
107903499161,12cyclictest1205544-21taskset20:45:173
107903499161,12cyclictest1106559-21taskset19:26:043
107903499161,12cyclictest1093658-21chrt19:15:423
107903499161,11cyclictest1442284-21chrt23:45:513
107903499161,11cyclictest1210393-21chrt20:50:113
107903499160,12cyclictest1436174-21taskset23:44:563
107903499160,11cyclictest1384896-21taskset23:05:013
13586472151,5sleep21358648-21cron22:45:012
107903499156,6cyclictest11652752sleep320:15:143
1079034991513,0cyclictest0-21swapper/319:24:593
1079034991512,1cyclictest0-21swapper/322:30:123
1079034991512,1cyclictest0-21swapper/320:10:203
1079034991512,1cyclictest0-21swapper/319:35:173
1079034991512,1cyclictest0-21swapper/319:35:173
107903499151,12cyclictest1197704-21taskset20:40:143
107903499151,11cyclictest1494110-21taskset00:27:123
107903499151,11cyclictest1480876-21taskset00:15:583
107903499151,11cyclictest1474514-21taskset00:11:493
107903499151,11cyclictest1461701-21taskset00:02:353
107903499151,11cyclictest1371987-21taskset22:55:073
107903499151,11cyclictest1346035-21taskset22:35:103
107903499151,11cyclictest1306839-21taskset22:00:333
107903499151,11cyclictest1293980-21taskset21:51:193
107903499151,11cyclictest1287559-21taskset21:46:023
107903499151,11cyclictest1178168-21taskset20:25:113
107903499151,11cyclictest1152198-21sleep20:05:003
107903499151,11cyclictest1125735-21taskset19:40:253
107903499150,12cyclictest1144775-21taskset19:55:213
107903499140,11cyclictest1313293-21taskset22:05:363
107903499140,11cyclictest1268183-21taskset21:30:343
107903499140,11cyclictest1171714-21taskset20:20:063
10728002141,3sleep20-21swapper/219:05:122
307598130,3rtkit-daemon217-21plymouthd19:30:152
14262832131,10sleep21428356-21cut23:35:172
12959252130,2sleep01295961-21kthreadcore21:55:170
12652102130,1sleep21267285-21kthreadcore21:30:182
13269692120,9sleep01327062-21/usr/sbin/munin22:20:140
12548672120,8sleep21255031-21vmstat21:20:242
307598110,5rtkit-daemon475-21wpa_supplicant23:51:582
12846632110,8sleep21286763-21cut21:45:222
12313192111,8sleep11232907-21kthreadcore21:05:211
11667102110,8sleep21168461-21grep20:15:212
11653082110,8sleep11165316-21grep20:15:151
11521672111,7sleep01152212-21systemd-run20:05:010
10909382110,8sleep10-21swapper/119:15:211
10794972110,8sleep11079194-21/usr/sbin/munin19:10:161
307598100,6rtkit-daemon3256-21sendmail-mta22:48:202
307598100,6rtkit-daemon3256-21sendmail-mta00:20:492
307598100,5rtkit-daemon475-21wpa_supplicant20:33:292
307598100,3rtkit-daemon217-21plymouthd21:27:072
307598100,3rtkit-daemon1085570-21munin-node23:45:542
307598100,2rtkit-daemon171rcu_preempt21:00:202
14495692100,7sleep01449737-21awk23:55:160
13474972100,8sleep11349146-21kthreadcore22:35:181
13193652100,7sleep11319505-21/usr/sbin/munin22:10:251
12329112100,7sleep21234998-21cut21:05:222
11795702100,1sleep11181058-21grep20:25:171
11781702101,4sleep01178203-21apt-get20:25:120
11450582100,7sleep21139557-21/usr/sbin/munin19:55:252
11254822100,7sleep21125734-21sed19:40:252
30759890,5rtkit-daemon714-21snmpd23:30:012
30759890,5rtkit-daemon714-21snmpd22:09:552
30759890,5rtkit-daemon433-21rpcbind20:20:462
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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