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2026-05-02 - 04:02
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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 Sat May 02, 2026 00:43:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3223121780,6sleep42026099cyclictest21:30:2510
3223121780,6sleep42026099cyclictest21:30:2510
1198021400,5sleep92027099cyclictest00:21:2415
193872136119,12sleep140-21swapper/1419:08:046
194542123104,15sleep130-21swapper/1319:08:525
195542121102,15sleep20-21swapper/219:10:178
3034921170,7sleep22025799cyclictest21:42:098
193632117104,8sleep120-21swapper/1219:07:464
19450211390,18sleep90-21swapper/919:08:4815
1291021130,1sleep130-21swapper/1323:22:065
798421110,1sleep20-21swapper/223:24:358
532721110,23sleep100-21swapper/1000:26:462
19434211091,12sleep110-21swapper/1119:08:343
19433210891,13sleep100-21swapper/1019:08:332
1456021080,5sleep22025799cyclictest21:49:228
542121070,3sleep25422-21uname00:29:518
660521050,2sleep36603-21sshd22:42:379
267921050,1sleep8801rcuc/800:35:3414
1376121050,0sleep120-21swapper/1221:34:174
1168621020,6sleep132027799cyclictest21:19:205
1168621020,6sleep132027799cyclictest21:19:205
759521010,6sleep42026099cyclictest22:30:5210
2406321010,1sleep30-21swapper/323:56:269
2406321010,1sleep30-21swapper/323:56:269
2959921000,5sleep30-21swapper/321:47:479
52042970,2sleep50-21swapper/523:15:3311
318512970,1sleep120-21swapper/1222:47:514
246482970,1sleep40-21swapper/423:41:2810
155222970,2sleep72026699cyclictest00:18:4213
317432960,0sleep80-21swapper/822:00:1014
231482960,1sleep50-21swapper/522:35:0911
170172960,1sleep100-21swapper/1023:52:322
170172960,1sleep100-21swapper/1023:52:322
1949429588,3sleep150-21swapper/1519:09:267
1955529284,4sleep30-21swapper/319:10:189
193932920,1sleep3517-21systemd-journal23:47:049
193932920,1sleep3517-21systemd-journal23:47:049
238262910,2sleep323825-21sshd23:07:459
131542910,1sleep140-21swapper/1423:03:556
318872900,0sleep40-21swapper/400:20:1510
300032900,1sleep110-21swapper/1123:35:583
267062900,1sleep80-21swapper/822:35:2814
89092890,1sleep00-21swapper/021:22:030
89092890,1sleep00-21swapper/021:22:030
322392890,1sleep80-21swapper/822:21:0214
27382890,1sleep30-21swapper/323:24:049
140282890,1sleep150-21swapper/1521:49:197
95762870,7sleep132027799cyclictest23:42:575
95762870,7sleep132027799cyclictest23:42:575
73132870,3sleep12025499cyclictest22:45:471
215442870,0sleep30-21swapper/321:32:169
1944728773,7sleep60-21swapper/619:08:4512
218682850,0sleep50-21swapper/522:58:5811
1959528572,9sleep80-21swapper/819:10:5514
1959428572,7sleep70-21swapper/719:10:5413
126602850,1sleep10-21swapper/123:09:521
1937428472,8sleep50-21swapper/519:07:5511
1960928375,4sleep10-21swapper/119:11:041
1937228372,7sleep40-21swapper/419:07:5410
90792820,2sleep99080-21run-parts22:57:4115
81642810,1sleep150-21swapper/1500:18:027
147142810,4sleep152028199cyclictest00:30:527
115762810,0sleep80-21swapper/823:22:0114
243152800,1sleep100-21swapper/1021:38:002
1941728072,4sleep00-21swapper/019:08:230
162462800,0sleep130-21swapper/1323:49:395
162462800,0sleep130-21swapper/1323:49:395
144672800,1sleep100-21swapper/1000:15:482
164012790,0sleep90-21swapper/922:13:3315
136852780,0sleep100-21swapper/1022:19:112
132672780,7sleep02025299cyclictest23:19:120
86352770,0sleep130-21swapper/1321:16:235
86352770,0sleep130-21swapper/1321:16:235
188792760,6sleep152028199cyclictest23:28:497
286392570,1sleep70-21swapper/700:25:5513
241322540,0sleep120-21swapper/1221:59:264
78922500,1sleep130-21swapper/1320:52:195
20270994940,3cyclictest0-21swapper/921:47:1415
20270994640,4cyclictest32153-21gdbus23:36:3815
20270994639,5cyclictest0-21swapper/921:57:2915
20270994539,4cyclictest23161-21sshd23:17:1515
20270994438,4cyclictest1-21systemd23:28:2715
20270994438,4cyclictest1041-21dbus-daemon22:26:1515
20270994338,4cyclictest4546-21sshd00:09:3315
20270994337,4cyclictest0-21swapper/922:28:0615
20270994337,4cyclictest0-21swapper/900:05:0015
20274994236,4cyclictest0-21swapper/1122:57:373
20270994238,2cyclictest2401-21nfsd21:45:0615
20270994237,3cyclictest1041-21dbus-daemon23:58:1315
20270994237,3cyclictest1041-21dbus-daemon23:58:1315
20270994236,4cyclictest28925-21run-parts21:42:0415
20270994137,3cyclictest0-21swapper/923:09:0915
20270994136,4cyclictest0-21swapper/922:19:3415
20270994134,5cyclictest1041-21dbus-daemon22:32:3815
20270994131,8cyclictest1-21systemd23:15:1715
20270994036,3cyclictest0-21swapper/921:55:3015
20270994035,3cyclictest13633-21ls20:57:3415
20270994033,5cyclictest22191-21sshd22:05:0315
20270994033,5cyclictest1963-21systemd23:02:5515
20270993930,7cyclictest16381-21systemd23:22:1915
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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