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2026-05-11 - 17:43
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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 rackaslot8.osadl.org (updated Mon May 11, 2026 12:44:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27722316287,19sleep20-21swapper/207:09:542
26272281249,21sleep30-21swapper/307:08:103
27032273242,21sleep10-21swapper/107:09:091
25302263230,20sleep00-21swapper/007:06:560
96792590,0sleep30-21swapper/311:55:163
71162590,0sleep30-21swapper/310:15:593
105752570,3sleep012-21ksoftirqd/011:55:210
109442560,0sleep00-21swapper/009:59:290
167652210,0sleep10-21swapper/112:19:281
313172200,2sleep131318-21fschecks_time08:10:141
129532190,0sleep30-21swapper/310:39:563
40712180,0sleep30-21swapper/312:30:323
61732170,0sleep00-21swapper/009:17:440
197412170,0sleep30-21swapper/310:24:223
28562150,0sleep00-21swapper/011:31:340
152932150,0sleep00-21swapper/010:20:550
319332130,0sleep20-21swapper/210:31:022
279392130,0sleep10-21swapper/110:09:471
213312120,0sleep00-21swapper/011:43:040
186862120,0sleep20-21swapper/210:23:332
54082110,0sleep10-21swapper/110:54:531
66042100,0sleep20-21swapper/212:32:272
37182100,0sleep20-21swapper/210:14:442
29029994,3cyclictest275-21systemd-journal09:54:373
28979986,1cyclictest29429-21users09:50:222
28979986,1cyclictest16896-21grep11:20:202
28949980,7cyclictest23594-21dump-pmu-power07:59:551
28929984,3cyclictest275-21systemd-journal12:29:550
28929983,3cyclictest275-21systemd-journal09:23:360
28929980,5cyclictest7930-21idleruntime-cro07:20:010
29062270,0sleep20-21swapper/212:26:102
29029973,3cyclictest275-21systemd-journal11:40:373
29029973,3cyclictest275-21systemd-journal11:25:013
29029973,3cyclictest275-21systemd-journal09:57:373
29029973,1cyclictest0-21swapper/311:54:103
28979975,1cyclictest0-21swapper/209:40:082
28979974,2cyclictest501-21in:imuxsock09:50:002
28979973,3cyclictest658-21snmpd08:24:022
28979973,3cyclictest31798-21sshd08:10:182
28979972,3cyclictest275-21systemd-journal10:04:422
28949974,2cyclictest658-21snmpd12:09:241
28949973,3cyclictest658-21snmpd11:02:551
28949973,3cyclictest658-21snmpd09:54:091
28949973,3cyclictest32089-21ntpq11:10:171
28949973,3cyclictest275-21systemd-journal11:20:011
28949973,3cyclictest2499-21seq08:18:581
28949973,3cyclictest12471-21cat10:00:141
28929976,1cyclictest12-21ksoftirqd/008:00:000
28929973,3cyclictest658-21snmpd09:49:290
28929973,3cyclictest504-21dbus-daemon09:45:010
28929973,2cyclictest275-21systemd-journal08:15:010
28929971,1cyclictest141rcu_preempt08:20:120
28929971,1cyclictest12-21ksoftirqd/012:15:120
28929970,7cyclictest24867-21diskmemload11:09:570
28929970,3cyclictest14615-21awk07:35:000
29029966,0cyclictest0-21swapper/309:25:313
29029966,0cyclictest0-21swapper/309:15:393
29029964,1cyclictest21068-21diskstats09:00:123
29029963,2cyclictest663-21runrttasks09:08:333
29029963,2cyclictest658-21snmpd11:10:043
29029963,2cyclictest658-21snmpd08:52:573
29029963,2cyclictest504-21dbus-daemon10:46:023
29029963,2cyclictest25896-21uniq09:10:143
29029963,2cyclictest22085-21ntpq10:25:183
29029963,2cyclictest17704-21cut07:40:153
29029963,2cyclictest16868-21sh10:41:323
29029963,2cyclictest16390-21sed07:35:193
29029963,2cyclictest14707-21ssh12:17:533
29029963,2cyclictest11553-21basename08:40:003
29029963,1cyclictest0-21swapper/310:11:043
29029962,3cyclictest9402-21sensors_temp07:20:213
29029962,3cyclictest658-21snmpd11:32:563
29029962,3cyclictest658-21snmpd11:25:573
29029962,3cyclictest658-21snmpd10:51:283
29029962,3cyclictest658-21snmpd08:27:153
29029962,3cyclictest658-21snmpd08:20:053
29029962,3cyclictest658-21snmpd08:12:083
29029962,3cyclictest658-21snmpd07:15:093
29029962,3cyclictest658-21snmpd07:10:333
29029962,3cyclictest29893-21grep10:30:153
29029962,3cyclictest275-21systemd-journal07:30:013
29029962,3cyclictest24249-21cat11:05:213
29029962,3cyclictest21180-21cat10:05:153
29029962,3cyclictest2018-21sed12:10:143
29029962,3cyclictest19179-21ls08:55:163
29029962,3cyclictest0-21swapper/312:25:303
29029962,3cyclictest0-21swapper/310:01:473
29029962,1cyclictest0-21swapper/312:01:133
29029962,1cyclictest0-21swapper/311:38:353
29029961,4cyclictest0-21swapper/311:15:153
29029961,2cyclictest21580-21ssh12:21:473
29029960,6cyclictest0-21swapper/312:37:223
29029960,6cyclictest0-21swapper/310:58:523
29029960,6cyclictest0-21swapper/309:39:283
29029960,3cyclictest10830-21awk09:20:183
29029960,0cyclictest0-21swapper/312:05:443
29029960,0cyclictest0-21swapper/311:04:453
29029960,0cyclictest0-21swapper/309:31:173
28979963,2cyclictest658-21snmpd11:53:422
28979963,2cyclictest658-21snmpd10:15:572
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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