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2026-03-16 - 22:26
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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
Characteristics of the 100 highest latencies:
System rackcslot0.osadl.org (updated Mon Mar 16, 2026 00:43:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
165322140116,20sleep50-21swapper/519:07:1311
325521310,1sleep90-21swapper/921:38:2015
166672129102,22sleep90-21swapper/919:09:0915
168732125101,20sleep110-21swapper/1119:11:193
168582125103,18sleep10-21swapper/119:11:091
166662125102,18sleep80-21swapper/819:09:0814
16731212295,22sleep00-21swapper/019:10:040
2925421170,1sleep50-21swapper/521:12:0411
222221170,0sleep80-21swapper/821:15:5114
2099321170,1sleep130-21swapper/1322:54:225
2099321170,1sleep130-21swapper/1322:54:225
3162021160,2sleep431617-21sshd21:54:3410
3174821150,1sleep40-21swapper/422:52:0410
3174821150,1sleep40-21swapper/422:52:0410
168642115102,9sleep70-21swapper/719:11:1513
16642211290,14sleep20-21swapper/219:08:468
2190621070,1sleep00-21swapper/000:13:510
3117721060,0sleep100-21swapper/1000:35:572
2086221050,1sleep10-21swapper/122:31:101
261021030,1sleep120-21swapper/1222:32:254
16673210390,8sleep150-21swapper/1519:09:157
16645210391,8sleep40-21swapper/419:08:4810
754721020,1sleep70-21swapper/721:16:2213
2813021020,1sleep10-21swapper/123:42:181
1026321020,1sleep150-21swapper/1523:10:117
316672980,1sleep70-21swapper/722:14:5713
174442960,1sleep40-21swapper/423:27:3910
98702950,0sleep00-21swapper/021:52:060
204972950,5sleep11730099cyclictest23:11:171
1681929473,16sleep140-21swapper/1419:10:346
1673429481,9sleep30-21swapper/319:10:079
251492930,1sleep130-21swapper/1322:38:035
126882930,1sleep1012687-21sshd21:16:412
54562920,1sleep151371ktimersoftd/1521:41:557
75652890,2sleep61730899cyclictest23:03:0412
75652890,2sleep61730899cyclictest23:03:0412
53582890,1sleep150-21swapper/1500:36:347
41212890,2sleep84119-21cp23:19:4114
59192880,1sleep60-21swapper/621:22:1412
1665328772,11sleep120-21swapper/1219:08:564
244232860,1sleep10971ktimersoftd/1023:25:202
1686328672,4sleep60-21swapper/619:11:1412
1659828672,4sleep130-21swapper/1319:08:095
275652850,1sleep80-21swapper/822:24:3614
158632850,0sleep90-21swapper/921:23:2215
10762850,1sleep11-21systemd21:54:471
296432840,0sleep00-21swapper/023:28:550
1659528372,7sleep100-21swapper/1019:08:062
214372820,1sleep10-21swapper/121:40:211
157482820,0sleep20-21swapper/221:33:088
48752810,0sleep90-21swapper/922:52:4215
48752810,0sleep90-21swapper/922:52:4215
146402810,0sleep130-21swapper/1300:07:555
9212800,0sleep10-21swapper/122:32:141
63372800,0sleep30-21swapper/322:52:529
63372800,0sleep30-21swapper/322:52:529
17362780,0sleep80-21swapper/822:05:0414
227412770,1sleep70-21swapper/723:35:1113
135902760,0sleep90-21swapper/920:21:5215
135902760,0sleep90-21swapper/920:21:5215
190982750,7sleep71730999cyclictest23:00:5713
190982750,7sleep71730999cyclictest23:00:5713
201932730,0sleep130-21swapper/1322:44:125
236252690,0sleep140-21swapper/1400:21:346
3882600,1sleep30-21swapper/322:58:459
3882600,1sleep30-21swapper/322:58:459
1732099500,3cyclictest27187-21kill23:28:417
156982500,2sleep130-21swapper/1322:23:205
1732099490,3cyclictest1-21systemd00:02:297
321202470,0sleep80-21swapper/822:32:0514
1732099460,2cyclictest1058-21NetworkManager23:22:377
1732099460,2cyclictest0-21swapper/1523:52:297
1732099460,2cyclictest0-21swapper/1523:06:217
1732099460,2cyclictest0-21swapper/1523:06:217
1732099460,2cyclictest0-21swapper/1522:19:057
1732099457,36cyclictest2395-21sshd22:08:457
1732099450,4cyclictest19569-21ystemctl21:23:457
1732099450,3cyclictest5260-21sshd23:16:217
1732099450,3cyclictest25527-21sshd22:51:377
1732099450,3cyclictest25527-21sshd22:51:377
1732099450,3cyclictest1041-21dbus-daemon23:39:457
1732099450,2cyclictest1270-21gdbus21:52:257
1732099450,2cyclictest1041-21dbus-daemon23:42:217
1732099450,2cyclictest0-21swapper/1500:19:417
1732099441,2cyclictest1270-21gdbus22:42:437
1732099441,17cyclictest1041-21dbus-daemon22:50:537
1732099441,17cyclictest1041-21dbus-daemon22:50:537
1732099440,2cyclictest1058-21NetworkManager22:40:377
1732099440,2cyclictest1057-21gdbus21:27:057
1732099440,2cyclictest0-21swapper/1500:25:537
17320994321,19cyclictest5355-21uname21:12:547
1732099431,3cyclictest1041-21dbus-daemon22:25:257
1732099431,2cyclictest0-21swapper/1521:33:067
1732099430,40cyclictest12609-21cp00:07:427
1732099430,3cyclictest1041-21dbus-daemon22:31:497
1732099430,3cyclictest1041-21dbus-daemon21:48:097
1732099430,2cyclictest26361-21systemd-cgroups22:14:217
1732099430,2cyclictest1058-21NetworkManager22:57:297
1732099430,2cyclictest1058-21NetworkManager22:57:297
1732099430,2cyclictest0-21swapper/1523:16:257
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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