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2026-05-05 - 05:56
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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 rackfslot7.osadl.org (updated Tue May 05, 2026 00:46:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1429290997737,19cyclictest874-21mta-sts-daemon19:56:376
1429290997637,18cyclictest875-21mta-sts-daemon20:29:456
1429290997535,19cyclictest874-21mta-sts-daemon21:48:336
1429290997435,18cyclictest781-21mta-sts-daemon20:33:486
1429290997415,19cyclictest871-21mta-sts-daemon23:12:296
1429290997415,19cyclictest871-21mta-sts-daemon23:12:286
1429290997334,19cyclictest7850ktimers/622:24:096
1429290997333,19cyclictest0-21swapper/620:45:096
1429290997233,18cyclictest0-21swapper/621:31:056
1429290997233,18cyclictest0-21swapper/600:37:336
1429290997233,0cyclictest0-21swapper/620:19:376
1429290997231,19cyclictest1499471-21irqstats21:15:176
1429290997212,21cyclictest1485675-21awk20:50:216
1429290996911,39cyclictest1511817-21unin-run21:40:016
1429290996910,39cyclictest1576636-21systemctl23:35:216
142929099634,19cyclictest0-21swapper/623:57:456
142929099624,19cyclictest0-21swapper/600:25:086
142929099620,40cyclictest236199-21snmpd20:36:576
142929099612,59cyclictest0-21swapper/621:23:496
1429290996121,40cyclictest1540750-21ntpq22:30:196
142929099602,19cyclictest0-21swapper/623:52:326
142929099591,39cyclictest1601888-21ntpq00:20:176
1429290995837,21cyclictest874-21mta-sts-daemon19:18:326
142929099580,19cyclictest0-21swapper/622:08:296
142928699580,38cyclictest0-21swapper/200:05:202
1429290995717,19cyclictest1573808-21/usr/sbin/munin23:30:216
1429290995717,19cyclictest1573808-21/usr/sbin/munin23:30:206
1429290995618,19cyclictest1430906-21sshd19:10:216
1429290995618,18cyclictest1548036-21cstates22:45:126
1429290995615,19cyclictest0-21swapper/623:25:156
1429290995419,35cyclictest0-21swapper/620:55:206
1429290995415,39cyclictest0-21swapper/600:04:436
1429290995415,19cyclictest0-21swapper/622:45:016
1429290995415,18cyclictest1565487-21ntpq23:15:186
1429290995413,19cyclictest0-21swapper/621:40:236
1429286995452,1cyclictest796-21gdbus21:05:022
1429290995315,19cyclictest1447037-21meminfo19:40:176
1429290995314,39cyclictest0-21swapper/622:54:236
1429290995314,39cyclictest0-21swapper/622:38:226
1429290995314,39cyclictest0-21swapper/622:01:266
1429290995314,39cyclictest0-21swapper/621:54:346
1429290995314,39cyclictest0-21swapper/621:10:156
1429290995314,39cyclictest0-21swapper/621:07:436
1429290995314,39cyclictest0-21swapper/620:14:466
1429290995314,39cyclictest0-21swapper/620:00:436
1429290995314,39cyclictest0-21swapper/619:53:076
1429290995314,39cyclictest0-21swapper/619:38:266
1429290995314,39cyclictest0-21swapper/600:13:316
1429290995314,20cyclictest0-21swapper/620:07:156
1429290995313,40cyclictest0-21swapper/619:46:216
1429290995313,39cyclictest0-21swapper/619:29:306
1429284995331,1cyclictest191rcu_preempt21:10:160
1429290995214,19cyclictest0-21swapper/622:19:116
1429290995213,39cyclictest0-21swapper/623:45:596
1429290995213,39cyclictest0-21swapper/623:24:276
1429290995213,39cyclictest0-21swapper/623:24:266
1429290995213,39cyclictest0-21swapper/620:21:426
1429290995213,39cyclictest0-21swapper/619:31:156
1429290995211,19cyclictest1529789-21ntpq22:10:186
1429285995233,19cyclictest0-21swapper/123:15:161
1429290995112,39cyclictest0-21swapper/623:04:546
1429290995112,39cyclictest0-21swapper/622:26:106
1429290995112,19cyclictest0-21swapper/621:00:216
1429290995111,19cyclictest0-21swapper/600:18:506
1429289995111,39cyclictest0-21swapper/519:30:155
1429290995011,19cyclictest0-21swapper/623:40:126
1429290995010,19cyclictest0-21swapper/600:08:506
1429285995031,19cyclictest0-21swapper/119:40:151
1429285995012,19cyclictest0-21swapper/100:25:171
142929099499,0cyclictest0-21swapper/621:25:176
1429289994911,19cyclictest0-21swapper/520:00:165
1429286994911,19cyclictest0-21swapper/222:50:172
1429286994911,19cyclictest0-21swapper/200:35:152
142929099489,19cyclictest0-21swapper/622:55:256
142929099489,19cyclictest0-21swapper/620:40:216
1429286994810,19cyclictest0-21swapper/219:25:162
1429289994728,19cyclictest0-21swapper/523:15:165
142929099465,20cyclictest1560784-21taskset23:09:076
142929099464,39cyclictest1435091-21/usr/sbin/munin19:20:236
142929099456,19cyclictest0-21swapper/621:56:416
142929099444,19cyclictest0-21swapper/600:30:196
1429289994426,18cyclictest0-21swapper/521:40:175
142928699446,19cyclictest0-21swapper/222:05:162
142928999424,19cyclictest0-21swapper/523:46:265
142928699424,19cyclictest0-21swapper/220:45:152
142928999411,40cyclictest1580319-21kworker/5:023:58:275
1429286994122,19cyclictest0-21swapper/220:40:152
142928999402,19cyclictest0-21swapper/520:40:155
142928699402,19cyclictest0-21swapper/222:55:162
142928699390,20cyclictest0-21swapper/219:45:162
1429289993820,18cyclictest1418021-21kworker/4:219:10:075
142928999380,19cyclictest0-21swapper/522:00:175
142928899370,18cyclictest0-21swapper/419:10:164
1429285993718,19cyclictest873-21mta-sts-daemon21:50:161
142928999360,36cyclictest0-21swapper/523:34:265
142928999360,36cyclictest0-21swapper/523:34:255
142928699360,35cyclictest0-21swapper/222:40:142
142928699350,15cyclictest0-21swapper/220:25:162
142928599350,35cyclictest0-21swapper/123:40:151
142928599350,17cyclictest0-21swapper/123:10:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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