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2026-05-24 - 12:26
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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 rack3slot0.osadl.org (updated Sun May 24, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
275762690,0sleep40-21swapper/400:16:234
131322680,0sleep50-21swapper/519:34:025
191852580,1sleep449-21ksoftirqd/423:13:124
176802540,0sleep10-21swapper/100:15:481
271172530,0sleep70-21swapper/723:13:397
267112530,0sleep10-21swapper/123:02:361
2975825127,8sleep00-21swapper/019:06:350
2963425126,8sleep50-21swapper/519:04:565
261372500,0sleep30-21swapper/322:34:583
149742490,0sleep00-21swapper/023:49:440
87442480,0sleep78743-21sshd21:31:437
2991424825,8sleep10-21swapper/119:08:451
13472480,2sleep13005399cyclictest23:19:261
2971624724,9sleep70-21swapper/719:06:027
229042470,0sleep30-21swapper/323:57:403
198892470,0sleep30-21swapper/323:35:133
35832460,0sleep40-21swapper/400:02:064
191772460,0sleep60-21swapper/622:23:406
65352450,2sleep33006799cyclictest22:54:053
262932450,2sleep73010299cyclictest21:18:067
219522450,0sleep60-21swapper/622:23:486
150112450,1sleep2721-21dbus-daemon23:42:252
137742450,1sleep413766-21sshd23:49:404
112382450,0sleep20-21swapper/223:18:142
303882440,0sleep1241ktimersoftd/122:13:181
209462440,0sleep00-21swapper/023:09:310
87312430,2sleep23006199cyclictest23:30:562
50592430,0sleep00-21swapper/023:08:430
40102430,0sleep40-21swapper/400:35:214
229682430,1sleep41-21systemd22:03:444
154892430,0sleep41-21systemd21:44:544
89522420,0sleep70-21swapper/721:09:097
244782420,0sleep70-21swapper/700:23:397
210572420,0sleep30-21swapper/321:34:113
209242420,0sleep20-21swapper/222:18:162
197942420,0sleep60-21swapper/621:32:226
131592410,0sleep10-21swapper/120:29:071
85182400,0sleep10-21swapper/122:23:031
53982400,0sleep50-21swapper/522:39:175
318532400,0sleep50-21swapper/523:43:245
2965024028,8sleep30-21swapper/319:05:103
2962224028,8sleep60-21swapper/619:04:496
2959324027,9sleep40-21swapper/419:04:234
2744924029,8sleep20-21swapper/219:03:572
201322400,0sleep60-21swapper/623:11:226
140462400,0sleep40-21swapper/421:35:414
124892400,0sleep612483-21sshd23:44:056
23392390,0sleep20-21swapper/221:55:092
112242390,0sleep60-21swapper/623:36:376
88302380,2sleep13005399cyclictest21:33:371
240562380,0sleep10-21swapper/119:54:001
54112220,1sleep35408-21grepconf.sh23:53:003
3009499212,3cyclictest65-21ksoftirqd/622:02:246
309372190,2sleep13005399cyclictest22:29:441
3009499199,1cyclictest65-21ksoftirqd/622:44:406
3009499199,1cyclictest65-21ksoftirqd/622:44:406
3009499198,1cyclictest131rcu_sched23:56:066
3009499195,1cyclictest65-21ksoftirqd/622:11:496
30094991915,1cyclictest65-21ksoftirqd/623:43:016
30094991915,1cyclictest65-21ksoftirqd/622:39:046
3009499191,1cyclictest65-21ksoftirqd/600:18:076
30045991914,1cyclictest25191-21sshd23:02:300
245312190,1sleep09-21ksoftirqd/020:49:080
84912180,1sleep00-21swapper/023:16:120
3009499186,1cyclictest65-21ksoftirqd/600:36:356
3009499184,1cyclictest65-21ksoftirqd/622:55:286
3009499183,2cyclictest65-21ksoftirqd/621:11:416
3009499182,3cyclictest65-21ksoftirqd/622:36:086
3009499182,1cyclictest65-21ksoftirqd/621:49:106
3009499182,1cyclictest65-21ksoftirqd/621:49:106
30094991816,2cyclictest65-21ksoftirqd/621:58:006
30094991816,1cyclictest464-21systemd-journal22:15:526
30094991815,3cyclictest65-21ksoftirqd/600:21:146
3009499181,4cyclictest464-21systemd-journal23:00:046
3009499180,17cyclictest23241-21kworker/6:300:29:146
269872180,1sleep526978-21sshd22:31:245
3009499176,3cyclictest65-21ksoftirqd/623:26:116
3009499176,3cyclictest65-21ksoftirqd/622:06:546
30094991716,1cyclictest65-21ksoftirqd/621:14:336
30094991714,1cyclictest65-21ksoftirqd/621:18:536
30094991713,1cyclictest65-21ksoftirqd/600:03:516
3009499170,2cyclictest65-21ksoftirqd/621:44:156
3008799170,17cyclictest0-21swapper/521:21:595
3006199171,1cyclictest0-21swapper/221:46:102
30045991715,1cyclictest9-21ksoftirqd/021:21:310
154452170,0sleep30-21swapper/321:24:423
152482170,0sleep70-21swapper/722:19:417
308012160,1sleep730805-21kworker/u16:422:44:247
308012160,1sleep730805-21kworker/u16:422:44:247
30102991614,1cyclictest73-21ksoftirqd/723:45:417
3009499169,3cyclictest65-21ksoftirqd/623:30:146
3009499166,1cyclictest65-21ksoftirqd/621:43:306
3009499165,2cyclictest65-21ksoftirqd/622:33:336
3009499164,1cyclictest65-21ksoftirqd/600:24:056
3009499163,1cyclictest65-21ksoftirqd/623:21:446
3009499163,1cyclictest65-21ksoftirqd/600:00:006
30094991614,1cyclictest65-21ksoftirqd/623:08:276
30094991614,1cyclictest65-21ksoftirqd/622:50:196
30094991614,1cyclictest65-21ksoftirqd/622:50:196
30094991614,1cyclictest65-21ksoftirqd/621:24:366
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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