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2025-07-14 - 21:13
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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 Jul 14, 2025 00:43:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
954021330,1sleep99539-21sshd23:19:0115
19462212791,30sleep80-21swapper/819:06:1814
1014321210,29sleep152030799cyclictest22:56:397
3223621200,2sleep558-21ksoftirqd/523:58:0011
1686021190,1sleep10-21swapper/121:55:421
1886821170,1sleep130-21swapper/1300:26:135
19611211693,18sleep100-21swapper/1019:08:122
2315321040,1sleep90-21swapper/900:23:1215
82621030,2sleep5821-21sshd00:10:0211
66521020,1sleep00-21swapper/022:41:090
3203721020,1sleep100-21swapper/1023:39:542
2433921010,0sleep120-21swapper/1222:36:164
1249821000,1sleep70-21swapper/722:20:4013
1249821000,1sleep70-21swapper/722:20:4013
176122990,1sleep20-21swapper/200:22:338
153272990,0sleep150-21swapper/1523:15:547
118902990,1sleep50-21swapper/500:36:3111
118902990,1sleep50-21swapper/500:36:3111
157832950,1sleep50-21swapper/521:30:5411
23402940,1sleep20-21swapper/221:50:388
20042940,1sleep30-21swapper/300:31:409
230302930,1sleep60-21swapper/622:03:4812
75062920,2sleep140-21swapper/1400:21:256
249792920,1sleep10-21swapper/123:27:431
187492920,1sleep30-21swapper/300:03:359
181602910,1sleep100-21swapper/1022:28:292
181602910,1sleep100-21swapper/1022:28:292
17542910,2sleep882-21ksoftirqd/822:19:2114
17542910,2sleep882-21ksoftirqd/822:19:2114
49272900,0sleep5561rcuc/523:32:3511
1973029075,10sleep140-21swapper/1419:09:526
124582900,1sleep30-21swapper/300:29:169
316842890,1sleep4481ktimersoftd/423:21:2010
1971128972,4sleep150-21swapper/1519:09:377
1961628972,7sleep130-21swapper/1319:08:155
17182890,2sleep140-21swapper/1423:18:026
256142880,1sleep10-21swapper/121:20:561
1954228873,4sleep110-21swapper/1119:07:253
283662870,1sleep30-21swapper/323:31:299
51932860,1sleep60-21swapper/621:22:0512
243252850,0sleep40-21swapper/421:56:1710
21132840,1sleep1241ktimersoftd/123:06:511
1980928469,11sleep70-21swapper/719:10:1813
1954328472,8sleep120-21swapper/1219:07:264
1953128475,4sleep20-21swapper/219:07:168
1945528450,29sleep30-21swapper/319:06:139
301662830,0sleep70-21swapper/722:08:0613
301662830,0sleep70-21swapper/722:08:0613
230982830,0sleep110-21swapper/1100:26:433
1963128372,6sleep90-21swapper/919:08:2715
1946028372,6sleep60-21swapper/619:06:1612
107582830,0sleep100-21swapper/1000:14:562
1962028274,4sleep00-21swapper/019:08:180
1960028274,4sleep50-21swapper/519:08:0711
1953328272,6sleep40-21swapper/419:07:1810
320862800,0sleep60-21swapper/620:01:0412
1943928072,4sleep10-21swapper/119:06:111
199562670,0sleep130-21swapper/1323:27:065
193132560,0sleep80-21swapper/821:45:2314
1139099550,3rtkit-daemon11389-21rtkit-daemon00:16:2913
1139099540,28rtkit-daemon0-21swapper/1223:27:184
2030799430,15cyclictest525-21systemd-journal00:15:467
16842430,1sleep7731ktimersoftd/723:43:3513
20307994212,2cyclictest0-21swapper/1500:08:457
2030799421,12cyclictest1068-21dbus-daemon23:43:307
2030799420,39cyclictest525-21systemd-journal21:45:137
2030799420,16cyclictest0-21swapper/1521:57:327
20307994110,3cyclictest31948-21systemd21:18:127
21212400,2sleep6525-21systemd-journal23:10:4012
2030799408,4cyclictest25800-21systemd22:36:277
20307994013,1cyclictest0-21swapper/1521:31:047
20307994010,3cyclictest1-21systemd00:36:377
20307994010,3cyclictest1-21systemd00:36:377
2030799400,21cyclictest4772-21systemd23:36:257
2030799400,14cyclictest0-21swapper/1523:29:527
2030799398,4cyclictest1068-21dbus-daemon00:13:537
20307993912,3cyclictest19384-21systemd21:52:197
20307993912,2cyclictest0-21swapper/1523:12:317
2030799390,14cyclictest0-21swapper/1522:47:037
1139099390,2rtkit-daemon22669-21systemd23:34:574
2030799378,4cyclictest7677-21systemd21:26:087
20307993710,3cyclictest145-21kauditd00:01:347
193662370,7sleep62029499cyclictest00:15:5612
1139099370,24rtkit-daemon0-21swapper/1500:35:257
1139099370,17rtkit-daemon0-21swapper/421:13:2510
326432360,1sleep20-21swapper/222:30:138
326432360,1sleep20-21swapper/222:30:138
2030799368,4cyclictest9825-21run-parts23:55:327
2030799367,4cyclictest14262-2110-uname22:13:267
2030799367,4cyclictest14262-2110-uname22:13:267
2030799361,3cyclictest5467-21gdbus23:08:097
20307993611,3cyclictest1743-21sshd22:08:347
20307993611,3cyclictest1743-21sshd22:08:347
2030799360,14cyclictest0-21swapper/1500:27:427
22852350,2sleep42289-21sshd00:05:2810
227502350,2sleep141-21systemd00:37:446
227502350,2sleep141-21systemd00:37:446
2030799359,2cyclictest1297-21sshd22:20:497
2030799359,2cyclictest1297-21sshd22:20:497
314492340,1sleep120-21swapper/1200:38:464
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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