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2024-05-23 - 11:14
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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 rack1slot3.osadl.org (updated Thu May 23, 2024 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
299064299130,9cyclictest0-21swapper/323:20:123
299064299130,12cyclictest0-21swapper/320:40:133
2990642991212,0cyclictest0-21swapper/321:42:403
2990642991212,0cyclictest0-21swapper/321:31:423
2990642991212,0cyclictest0-21swapper/320:03:493
2990642991212,0cyclictest0-21swapper/319:41:523
299064299120,9cyclictest0-21swapper/321:50:133
299064299120,1cyclictest0-21swapper/323:35:113
299064299120,11cyclictest0-21swapper/322:05:113
299064299120,11cyclictest0-21swapper/320:15:123
2990642991111,0cyclictest0-21swapper/320:30:103
299064299110,11cyclictest0-21swapper/323:59:593
299064299110,11cyclictest0-21swapper/323:45:003
299064299110,11cyclictest0-21swapper/321:25:153
299064299110,11cyclictest0-21swapper/321:25:143
299064299110,11cyclictest0-21swapper/321:10:103
299064299110,11cyclictest0-21swapper/319:50:233
299064299110,11cyclictest0-21swapper/300:09:563
299064299109,1cyclictest0-21swapper/322:55:113
2990642991010,0cyclictest0-21swapper/323:30:263
2990642991010,0cyclictest0-21swapper/320:35:313
2990642991010,0cyclictest0-21swapper/319:20:213
299064299100,10cyclictest0-21swapper/322:45:173
299064299100,0cyclictest0-21swapper/323:00:153
299064299100,0cyclictest0-21swapper/320:50:003
299064299100,0cyclictest0-21swapper/319:30:123
299064299100,0cyclictest0-21swapper/300:20:163
29904532101,4sleep30-21swapper/319:09:563
29906429999,0cyclictest0-21swapper/322:24:553
29906429999,0cyclictest0-21swapper/321:05:143
29906429998,1cyclictest0-21swapper/321:35:153
29906429990,9cyclictest0-21swapper/319:25:153
29906429990,9cyclictest0-21swapper/300:05:013
29906429990,0cyclictest0-21swapper/323:15:293
29906429988,0cyclictest0-21swapper/323:55:013
29906429988,0cyclictest0-21swapper/322:15:143
29906429988,0cyclictest0-21swapper/322:00:123
29906429988,0cyclictest0-21swapper/320:50:113
29906429988,0cyclictest0-21swapper/300:35:203
29906429987,1cyclictest0-21swapper/320:05:143
29906429977,0cyclictest0-21swapper/322:25:083
29906429977,0cyclictest0-21swapper/321:55:113
29906429977,0cyclictest0-21swapper/319:20:003
29906429977,0cyclictest0-21swapper/300:15:133
29906429970,7cyclictest0-21swapper/323:25:113
29906429970,6cyclictest0-21swapper/319:45:123
29906429970,0cyclictest0-21swapper/322:14:593
29906429966,0cyclictest0-21swapper/320:25:203
29906429965,1cyclictest0-21swapper/319:10:113
29906429960,0cyclictest0-21swapper/322:50:283
13129860,2rtkit-daemon717-21lldpd19:05:042
13129860,1rtkit-daemon2992706-21munin-node00:07:120
29906429955,0cyclictest0-21swapper/323:45:143
29906429955,0cyclictest0-21swapper/321:20:123
29906429955,0cyclictest0-21swapper/321:15:103
2990248250,3sleep10-21swapper/119:07:181
29906429944,0cyclictest0-21swapper/321:45:103
29906429944,0cyclictest0-21swapper/320:24:523
29906429944,0cyclictest0-21swapper/300:10:093
29906429940,2cyclictest0-21swapper/319:55:143
29906429940,2cyclictest0-21swapper/300:25:123
13129840,2rtkit-daemon717-21lldpd23:22:400
13129840,2rtkit-daemon717-21lldpd22:41:390
13129840,2rtkit-daemon717-21lldpd21:11:062
13129840,2rtkit-daemon375-21systemd-udevd22:46:290
13129840,2rtkit-daemon356-21systemd-journal23:55:010
13129840,1rtkit-daemon717-21lldpd23:40:110
13129840,1rtkit-daemon717-21lldpd21:56:530
13129840,1rtkit-daemon3030398-21apt-get20:50:112
13129840,1rtkit-daemon2992706-21munin-node21:43:380
13129840,1rtkit-daemon2992706-21munin-node21:35:510
29906429933,0cyclictest0-21swapper/320:55:163
29906429931,1cyclictest0-21swapper/322:30:133
29906429931,1cyclictest0-21swapper/321:00:093
29906429930,2cyclictest0-21swapper/323:05:123
29906429930,2cyclictest0-21swapper/322:35:153
29906429930,2cyclictest0-21swapper/320:10:103
29906429930,2cyclictest0-21swapper/300:30:113
29906429930,1cyclictest0-21swapper/323:10:133
2989234230,1sleep00-21swapper/019:05:200
13129830,2rtkit-daemon2992706-21munin-node21:50:250
13129830,2rtkit-daemon2992706-21munin-node00:33:060
13129830,2rtkit-daemon269977-21sendmail-mta00:19:420
13129830,2rtkit-daemon2121-21packagekitd23:31:210
13129830,1rtkit-daemon717-21lldpd21:24:500
13129830,1rtkit-daemon717-21lldpd20:10:202
13129830,1rtkit-daemon714-21ntpd23:45:230
13129830,1rtkit-daemon714-21ntpd20:45:012
13129830,1rtkit-daemon539-21wpa_supplicant00:25:320
13129830,1rtkit-daemon538-21systemd-logind23:37:100
13129830,1rtkit-daemon490-21rpcbind19:20:472
13129830,1rtkit-daemon375-21systemd-udevd22:06:300
13129830,1rtkit-daemon375-21systemd-udevd20:58:292
13129830,1rtkit-daemon356-21systemd-journal22:21:430
13129830,1rtkit-daemon356-21systemd-journal21:02:292
13129830,1rtkit-daemon356-21systemd-journal20:41:292
13129830,1rtkit-daemon356-21systemd-journal20:07:452
13129830,1rtkit-daemon3097232-21df_inode23:25:160
13129830,1rtkit-daemon3089038-21strings23:05:240
13129830,1rtkit-daemon3082352-21df22:50:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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