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2026-08-20 - 23:52
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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 Aug 20, 2026 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
50499999140,12cyclictest0-21swapper/311:55:103
50499999140,11cyclictest0-21swapper/310:30:133
50499999130,12cyclictest0-21swapper/311:45:113
50499999130,11cyclictest0-21swapper/311:35:123
50499999129,2cyclictest0-21swapper/311:00:013
504999991211,0cyclictest0-21swapper/311:30:163
504999991211,0cyclictest0-21swapper/309:30:113
504999991211,0cyclictest0-21swapper/308:50:193
50499999120,1cyclictest0-21swapper/312:10:113
50499999120,11cyclictest0-21swapper/310:35:223
50499999120,11cyclictest0-21swapper/309:35:143
50499999120,10cyclictest0-21swapper/312:15:103
50499999110,11cyclictest0-21swapper/310:15:003
50499999110,11cyclictest0-21swapper/308:25:193
50499999110,10cyclictest0-21swapper/312:35:133
50499999110,10cyclictest0-21swapper/311:25:143
50499999110,10cyclictest0-21swapper/310:20:023
50499999110,10cyclictest0-21swapper/309:55:133
50499999110,10cyclictest0-21swapper/309:20:013
50499999110,10cyclictest0-21swapper/308:40:133
50499999110,10cyclictest0-21swapper/307:50:153
50499999110,0cyclictest0-21swapper/312:00:123
50499999110,0cyclictest0-21swapper/307:10:173
50499999109,0cyclictest0-21swapper/308:45:103
50499999108,1cyclictest0-21swapper/312:30:123
504999991010,0cyclictest0-21swapper/310:00:123
504999991010,0cyclictest0-21swapper/309:20:113
504999991010,0cyclictest0-21swapper/309:00:113
504999991010,0cyclictest0-21swapper/308:15:123
504999991010,0cyclictest0-21swapper/307:55:113
50499999100,9cyclictest0-21swapper/307:39:533
50499999100,0cyclictest0-21swapper/311:15:183
50499999100,0cyclictest0-21swapper/310:30:003
50499999100,0cyclictest0-21swapper/309:29:563
50499999100,0cyclictest0-21swapper/307:25:183
5049999999,0cyclictest0-21swapper/309:50:203
5049999999,0cyclictest0-21swapper/309:10:123
5049999998,0cyclictest0-21swapper/310:05:143
5049999998,0cyclictest0-21swapper/307:30:113
5049999990,0cyclictest0-21swapper/308:05:143
5049999988,0cyclictest0-21swapper/311:05:193
5049999988,0cyclictest0-21swapper/310:49:423
5049999987,0cyclictest0-21swapper/307:15:123
5049999982,5cyclictest520504-21taskset07:46:143
5049999980,7cyclictest0-21swapper/311:24:423
5049999980,7cyclictest0-21swapper/308:40:013
502923281,4sleep30-21swapper/307:05:013
5049999977,0cyclictest0-21swapper/312:25:173
5049999977,0cyclictest0-21swapper/311:15:023
5049999977,0cyclictest0-21swapper/311:01:323
5049999977,0cyclictest0-21swapper/311:01:313
5049999977,0cyclictest0-21swapper/310:54:463
5049999977,0cyclictest0-21swapper/308:10:003
5049999972,4cyclictest0-21swapper/312:24:433
5049999970,7cyclictest0-21swapper/307:42:143
5049999970,6cyclictest0-21swapper/308:33:423
5049999970,0cyclictest0-21swapper/310:20:003
5049999970,0cyclictest0-21swapper/309:00:013
5049999966,0cyclictest0-21swapper/311:40:123
5049999966,0cyclictest0-21swapper/309:45:113
5049999966,0cyclictest0-21swapper/309:40:123
5049999965,0cyclictest0-21swapper/309:06:483
5049999961,2cyclictest0-21swapper/311:50:133
5049999960,5cyclictest0-21swapper/310:45:013
5049999960,4cyclictest0-21swapper/308:20:113
570560252,2sleep0570643-21aten2.4-expect09:55:130
5049999950,4cyclictest0-21swapper/308:00:123
5049999950,3cyclictest0-21swapper/312:05:143
5049999950,0cyclictest0-21swapper/307:20:123
503928251,2sleep2504056-21awk07:05:162
13929850,2rtkit-daemon0-21swapper/007:05:050
13929850,0rtkit-daemon0-21swapper/010:43:410
632150240,0sleep0632328-21cpuspeed_turbos12:20:140
595005240,0sleep1341rcuc/110:50:181
592816240,2sleep1592971-21ntpq10:45:161
549598240,0sleep20-21swapper/209:02:082
541473240,3sleep1541746-21awk08:40:211
526433240,0sleep20-21swapper/208:03:272
13929840,2rtkit-daemon765-21snmpd11:10:500
13929840,2rtkit-daemon765-21snmpd10:27:350
13929840,2rtkit-daemon765-21snmpd09:32:480
13929840,2rtkit-daemon526830-21apt-get08:05:140
13929840,2rtkit-daemon1-21systemd12:30:100
13929840,2rtkit-daemon1-21systemd11:38:300
13929840,1rtkit-daemon765-21snmpd09:49:290
13929840,1rtkit-daemon331-21plymouthd09:10:130
632503230,2sleep2632654-21latency12:20:162
579153230,1sleep2579179-21apt-get10:15:112
503192231,0sleep10-21swapper/107:05:111
13929830,2rtkit-daemon765-21snmpd11:25:210
13929830,2rtkit-daemon1-21systemd11:31:290
13929830,1rtkit-daemon770-21ntpd10:30:010
13929830,1rtkit-daemon770-21ntpd09:21:200
13929830,1rtkit-daemon765-21snmpd12:12:260
13929830,1rtkit-daemon765-21snmpd12:02:200
13929830,1rtkit-daemon765-21snmpd09:00:260
13929830,1rtkit-daemon765-21snmpd07:30:020
13929830,1rtkit-daemon622-21wpa_supplicant11:20:300
13929830,1rtkit-daemon607-21avahi-daemon10:10:570
13929830,1rtkit-daemon544319-21/usr/sbin/munin08:50:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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