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2026-03-29 - 08:21
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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 rack2slot0.osadl.org (updated Sun Mar 29, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2208121020,0sleep20-21swapper/222:52:502
2208121020,0sleep20-21swapper/222:52:492
264312950,2sleep32940199cyclictest22:39:363
263202930,2sleep22939499cyclictest23:25:542
109912800,0sleep10-21swapper/121:46:311
80682570,1sleep08061-21lspci00:13:420
269972570,1sleep1674-21dbus-daemon23:47:551
36742560,0sleep00-21swapper/021:40:260
283232560,0sleep0111rcuc/000:09:580
73452550,1sleep37324-21bash00:05:193
303722550,0sleep10-21swapper/123:09:541
228082550,0sleep31-21systemd23:47:343
79012530,1sleep1649-21polkitd23:13:271
316732530,0sleep30-21swapper/321:19:533
156222530,0sleep00-21swapper/021:33:200
53942520,0sleep00-21swapper/023:13:140
155302520,0sleep20-21swapper/223:03:112
155302520,0sleep20-21swapper/223:03:102
66412510,0sleep00-21swapper/022:43:210
312482510,1sleep031250-21grepconf.sh23:26:200
308892510,1sleep030886-21sshd21:11:530
110762510,0sleep30-21swapper/322:21:543
76842500,0sleep10-21swapper/122:18:561
33152500,0sleep10-21swapper/121:54:051
22842500,0sleep20-21swapper/221:31:502
61142490,0sleep10-21swapper/100:08:021
325182490,0sleep30-21swapper/300:13:013
16532490,1sleep09-21ksoftirqd/000:18:390
148782490,0sleep00-21swapper/023:55:070
267062480,0sleep10-21swapper/121:23:081
103262480,0sleep20-21swapper/221:25:062
29672470,0sleep20-21swapper/220:40:162
244172450,1sleep024414-21lspci00:31:290
128362440,0sleep30-21swapper/323:05:353
70302400,0sleep20-21swapper/222:27:022
233552390,0sleep00-21swapper/022:55:350
292382297,7sleep10-21swapper/119:09:201
2908422311,7sleep30-21swapper/319:07:223
323352220,0sleep10-21swapper/100:10:141
300342220,1sleep330027-21ps22:45:173
2912322211,7sleep20-21swapper/219:07:532
290772219,7sleep00-21swapper/019:07:190
285492190,1sleep128543-21bash23:04:181
285492190,1sleep128543-21bash23:04:181
10442190,0sleep10-21swapper/100:18:361
171252180,1sleep217114-21sshd22:44:172
5052170,0sleep30-21swapper/321:23:553
128102170,1sleep1674-21dbus-daemon22:41:071
80902160,0sleep20-21swapper/221:54:302
245142160,0sleep00-21swapper/023:03:570
245142160,0sleep00-21swapper/023:03:560
14102160,2sleep02938499cyclictest23:18:220
155632150,1sleep315566-21bash00:36:133
152912150,0sleep20-21swapper/222:14:082
72402140,0sleep30-21swapper/323:35:163
317822140,0sleep10-21swapper/121:56:241
2938899140,1cyclictest13831-21sshd23:16:381
26512140,0sleep30-21swapper/322:10:163
23972140,0sleep20-21swapper/200:37:512
207422140,1sleep320741-21bash23:20:023
205232140,0sleep30-21swapper/321:26:153
189612140,0sleep10-21swapper/123:39:031
160132140,1sleep3391rcuc/322:52:193
160132140,1sleep3391rcuc/322:52:193
119882140,0sleep1241ktimersoftd/122:38:221
99242130,0sleep2321ktimersoftd/223:38:162
2938499130,1cyclictest23834-21sshd23:23:000
267562130,5sleep026950-21grepconf.sh22:04:130
217112130,0sleep30-21swapper/321:10:453
187602130,0sleep2311rcuc/223:41:432
2940199121,10cyclictest0-21swapper/300:29:403
29401991210,1cyclictest1628-21id00:02:103
2940199120,11cyclictest0-21swapper/322:00:403
29394991210,1cyclictest0-21swapper/222:45:422
2939499120,1cyclictest11789-21sshd00:11:122
29388991210,1cyclictest2726-21sshd21:43:091
2938499129,2cyclictest16336-21lspci21:18:010
2938499124,1cyclictest9-21ksoftirqd/022:08:520
2938499121,10cyclictest8189-21grepconf.sh23:08:000
2938499120,1cyclictest29523-21sshd22:50:410
2938499120,1cyclictest29523-21sshd22:50:400
2938499120,1cyclictest1-21systemd22:39:400
264612120,0sleep10-21swapper/100:23:281
19912120,0sleep10-21swapper/122:53:531
19912120,0sleep10-21swapper/122:53:521
189822120,0sleep30-21swapper/323:52:423
2940199119,1cyclictest0-21swapper/300:24:193
29401991110,0cyclictest0-21swapper/323:25:493
2940199110,10cyclictest0-21swapper/322:33:593
2940199110,0cyclictest0-21swapper/323:58:193
2939499119,1cyclictest674-21dbus-daemon23:15:522
29394991110,0cyclictest0-21swapper/223:09:322
2939499110,1cyclictest1618-21bash21:45:422
2939499110,10cyclictest31725-21sshd23:12:432
2939499110,10cyclictest0-21swapper/222:37:422
2939499110,10cyclictest0-21swapper/222:23:522
2939499110,10cyclictest0-21swapper/200:05:522
2939499110,0cyclictest0-21swapper/223:59:222
2938899119,1cyclictest16378-21lspci23:52:291
29388991110,0cyclictest0-21swapper/121:37:391
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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