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2026-08-03 - 06:05
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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 Aug 03, 2026 00:43:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
78821590,7sleep13365299cyclictest23:25:035
2259121390,6sleep0363399cyclictest22:55:400
1330521360,7sleep1363499cyclictest23:19:301
2040721300,2sleep020404-21sshd00:08:420
436921270,0sleep90-21swapper/922:15:1015
2928212491,26sleep40-21swapper/419:07:0510
2928212491,26sleep40-21swapper/419:07:0510
2953211890,21sleep70-21swapper/719:07:2413
2953211890,21sleep70-21swapper/719:07:2413
763721030,0sleep130-21swapper/1323:36:015
763721030,0sleep130-21swapper/1323:36:015
1432221030,3sleep314324-21env22:02:149
360621020,1sleep111051ktimersoftd/1121:54:203
2257421020,2sleep882-21ksoftirqd/821:56:0914
2986210089,4sleep60-21swapper/619:07:5512
2986210089,4sleep60-21swapper/619:07:5512
322172990,2sleep558-21ksoftirqd/521:15:5911
321629884,8sleep110-21swapper/1119:10:243
321629884,8sleep110-21swapper/1119:10:243
18812980,1sleep31878-21systemd-cgroups21:19:429
102312970,0sleep150-21swapper/1500:11:377
311392960,0sleep130-21swapper/1322:04:165
264842960,6sleep5364099cyclictest22:00:0711
197492960,2sleep1119748-21sshd22:51:353
146742960,1sleep110-21swapper/1123:01:443
299529482,4sleep150-21swapper/1519:08:047
299529482,4sleep150-21swapper/1519:08:047
195032940,0sleep130-21swapper/1322:37:425
168702920,1sleep90-21swapper/923:23:0615
13322920,0sleep130-21swapper/1323:18:055
165982890,0sleep60-21swapper/622:16:1112
293428872,12sleep100-21swapper/1019:07:112
293428872,12sleep100-21swapper/1019:07:112
266252880,1sleep150-21swapper/1500:34:377
325012870,6sleep10364899cyclictest22:18:072
290328772,8sleep130-21swapper/1319:06:425
290328772,8sleep130-21swapper/1319:06:425
254862870,1sleep140-21swapper/1421:12:076
79992840,6sleep10364899cyclictest21:54:512
315082840,5sleep12365199cyclictest21:46:524
315082840,5sleep12365199cyclictest21:46:524
318142830,1sleep20-21swapper/221:57:088
295828372,4sleep120-21swapper/1219:07:294
295828372,4sleep120-21swapper/1219:07:294
289228374,4sleep30-21swapper/319:06:329
289228374,4sleep30-21swapper/319:06:329
199232830,0sleep150-21swapper/1523:23:287
294928272,4sleep50-21swapper/519:07:2211
294928272,4sleep50-21swapper/519:07:2211
292528274,4sleep10-21swapper/119:07:021
292528274,4sleep10-21swapper/119:07:021
291628272,4sleep90-21swapper/919:06:5415
291628272,4sleep90-21swapper/919:06:5415
291528272,4sleep80-21swapper/819:06:5314
291528272,4sleep80-21swapper/819:06:5314
290728272,4sleep00-21swapper/019:06:450
290728272,4sleep00-21swapper/019:06:450
262032820,0sleep30-21swapper/323:38:159
262032820,0sleep30-21swapper/323:38:159
200362820,0sleep70-21swapper/723:37:3113
200362820,0sleep70-21swapper/723:37:3113
198142820,1sleep70-21swapper/721:14:5713
293828172,4sleep140-21swapper/1419:07:156
293828172,4sleep140-21swapper/1419:07:156
258212810,1sleep7721rcuc/722:24:4613
294428072,4sleep20-21swapper/219:07:198
294428072,4sleep20-21swapper/219:07:198
202132800,0sleep30-21swapper/323:47:539
202132800,0sleep30-21swapper/323:47:539
110642800,7sleep13365299cyclictest21:13:595
83612790,5sleep12365199cyclictest22:43:504
210462790,6sleep15365699cyclictest22:10:117
283202780,0sleep120-21swapper/1223:13:484
112452740,0sleep150-21swapper/1519:17:097
74342690,0sleep50-21swapper/521:33:5411
74342690,0sleep50-21swapper/521:33:5411
259812690,0sleep50-21swapper/523:51:5611
72342680,0sleep90-21swapper/900:07:1415
21752620,3sleep12365199cyclictest23:39:124
21752620,3sleep12365199cyclictest23:39:124
188162610,5sleep7364499cyclictest00:29:0813
120542610,0sleep20-21swapper/221:17:168
310462590,0sleep90-21swapper/922:21:3515
207662590,1sleep120-21swapper/1221:18:154
17812590,2sleep2363699cyclictest00:22:228
91012580,0sleep150-21swapper/1520:31:137
78552580,0sleep50-21swapper/519:51:1311
90752570,0sleep150-21swapper/1521:37:177
90752570,0sleep150-21swapper/1521:37:177
319942570,0sleep00-21swapper/021:33:010
319942570,0sleep00-21swapper/021:33:010
242882570,1sleep4481ktimersoftd/421:15:2610
46422560,0sleep110-21swapper/1123:07:373
363499500,3cyclictest0-21swapper/121:59:361
363499490,4cyclictest1-21systemd23:12:401
365299476,39cyclictest497-21jbd2/md124p1-822:31:075
365299472,3cyclictest0-21swapper/1322:15:015
365299460,43cyclictest0-21swapper/1321:22:485
363499469,34cyclictest2928-2110-uname21:36:361
363499469,34cyclictest2928-2110-uname21:36:361
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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