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2025-05-02 - 02:02
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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 Fri May 02, 2025 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3021104991311,1cyclictest0-21swapper/321:05:143
302110499130,12cyclictest0-21swapper/321:20:183
3021104991211,0cyclictest0-21swapper/319:55:153
302110499121,10cyclictest0-21swapper/300:20:013
302110499120,1cyclictest0-21swapper/322:30:143
302110499120,11cyclictest0-21swapper/323:25:133
302110499120,11cyclictest0-21swapper/323:04:563
302110499120,11cyclictest0-21swapper/322:03:373
302110499120,11cyclictest0-21swapper/300:35:203
302110499119,1cyclictest0-21swapper/320:00:153
3021104991111,0cyclictest0-21swapper/322:50:153
3021104991111,0cyclictest0-21swapper/322:20:133
3021104991110,1cyclictest0-21swapper/322:35:133
3021104991110,0cyclictest0-21swapper/323:40:133
3021104991110,0cyclictest0-21swapper/321:43:103
3021104991110,0cyclictest0-21swapper/300:05:143
302110499110,8cyclictest0-21swapper/319:30:123
302110499110,11cyclictest0-21swapper/320:05:233
302110499110,10cyclictest0-21swapper/300:30:013
302110499110,0cyclictest0-21swapper/323:30:153
302110499110,0cyclictest0-21swapper/322:05:013
302110499110,0cyclictest0-21swapper/319:35:123
302110499109,0cyclictest0-21swapper/319:21:113
3021104991010,0cyclictest0-21swapper/323:10:203
3021104991010,0cyclictest0-21swapper/322:40:183
3021104991010,0cyclictest0-21swapper/320:15:153
3021104991010,0cyclictest0-21swapper/320:10:163
302110499100,0cyclictest0-21swapper/323:50:183
302110499100,0cyclictest0-21swapper/322:15:203
302110499100,0cyclictest0-21swapper/300:30:143
30200122101,5sleep30-21swapper/319:05:193
30211049999,0cyclictest0-21swapper/323:20:203
30211049999,0cyclictest0-21swapper/323:05:143
30211049999,0cyclictest0-21swapper/322:11:203
30211049999,0cyclictest0-21swapper/320:40:263
30211049999,0cyclictest0-21swapper/319:15:133
30211049998,1cyclictest0-21swapper/320:55:013
30211049998,0cyclictest0-21swapper/323:55:123
30211049998,0cyclictest0-21swapper/323:45:163
30211049998,0cyclictest0-21swapper/323:35:133
30211049998,0cyclictest0-21swapper/320:30:133
30211049988,0cyclictest0-21swapper/322:55:133
30211049988,0cyclictest0-21swapper/321:26:443
30211049988,0cyclictest0-21swapper/321:15:203
30211049988,0cyclictest0-21swapper/320:45:173
30211049988,0cyclictest0-21swapper/319:10:143
30211049988,0cyclictest0-21swapper/300:02:113
30211049987,0cyclictest0-21swapper/321:57:023
30211049987,0cyclictest0-21swapper/321:45:153
30211049980,7cyclictest0-21swapper/321:50:203
30211049980,7cyclictest0-21swapper/300:20:223
30211049977,0cyclictest0-21swapper/323:16:423
30211049977,0cyclictest0-21swapper/322:25:183
30211049977,0cyclictest0-21swapper/320:21:103
30211049977,0cyclictest0-21swapper/319:45:173
30211049966,0cyclictest0-21swapper/321:35:153
30211049963,1cyclictest0-21swapper/320:40:013
30211049955,0cyclictest0-21swapper/322:45:213
30211049955,0cyclictest0-21swapper/300:11:453
30211049954,0cyclictest0-21swapper/320:28:333
30211049954,0cyclictest0-21swapper/319:53:273
30211049950,4cyclictest0-21swapper/319:40:253
30211049950,3cyclictest0-21swapper/321:00:173
30211049950,0cyclictest0-21swapper/321:35:013
13989850,2rtkit-daemon3097565-21apt-get22:20:131
13989850,2rtkit-daemon1399-21sendmail-mta19:05:221
13989850,0rtkit-daemon0-21swapper/122:40:331
30211049944,0cyclictest0-21swapper/319:25:593
30211049941,2cyclictest0-21swapper/320:55:173
30211049940,3cyclictest3068194-21taskset21:10:023
30211049940,3cyclictest3068194-21taskset21:10:023
3020764242,1sleep20-21swapper/219:07:542
3020112241,1sleep00-21swapper/019:05:200
13989840,2rtkit-daemon3103449-21ssh22:34:111
13989840,2rtkit-daemon1-21systemd22:27:361
13989840,2rtkit-daemon1-21systemd21:55:481
13989840,0rtkit-daemon0-21swapper/120:51:481
3155786230,2sleep23155790-21ssh00:37:352
3122625230,1sleep23122651-21apt-get23:20:142
3086918230,2sleep23086989-21/usr/sbin/munin21:55:172
3080245230,1sleep13080271-21apt-get21:40:151
3030283230,2sleep23029383-21/usr/sbin/munin19:30:202
13989830,2rtkit-daemon765-21lldpd22:06:001
13989830,2rtkit-daemon760-21snmpd00:07:361
13989830,2rtkit-daemon613-21systemd-logind23:38:511
13989830,2rtkit-daemon579-21rpcbind19:26:041
13989830,2rtkit-daemon436-21systemd-udevd22:47:501
13989830,2rtkit-daemon3067968-21diskmemload00:33:571
13989830,2rtkit-daemon1-21systemd23:16:001
13989830,1rtkit-daemon762-21ntpd19:55:541
13989830,1rtkit-daemon614-21wpa_supplicant23:41:201
13989830,1rtkit-daemon417-21systemd-journal23:32:531
13989830,1rtkit-daemon331-21plymouthd23:49:571
13989830,1rtkit-daemon331-21plymouthd21:18:261
13989830,1rtkit-daemon331-21plymouthd21:05:011
13989830,1rtkit-daemon331-21plymouthd20:35:151
13989830,1rtkit-daemon3093724-21ls22:10:131
13989830,1rtkit-daemon3023113-21munin-node00:15:451
13989830,1rtkit-daemon1-21systemd23:55:221
13989830,1rtkit-daemon1-21systemd23:12:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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