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2026-05-16 - 12:38
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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 Sat May 16, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
43752790,1sleep34372-21sshd23:09:003
16742730,0sleep10-21swapper/123:53:281
224722720,0sleep20-21swapper/221:25:132
182682550,0sleep1231rcuc/100:00:251
93172540,0sleep20-21swapper/223:45:402
301532540,0sleep30-21swapper/322:18:133
48982530,0sleep30-21swapper/323:56:303
230712530,0sleep00-21swapper/023:24:350
181762530,0sleep0111rcuc/022:25:270
96622520,0sleep00-21swapper/000:05:160
49072520,0sleep00-21swapper/022:21:350
192882520,0sleep30-21swapper/322:47:573
146892510,0sleep20-21swapper/222:25:132
85972500,0sleep20-21swapper/223:03:462
22812500,0sleep20-21swapper/222:32:352
56222490,0sleep01-21systemd22:18:540
326502490,2sleep3765399cyclictest00:35:113
217982490,0sleep10-21swapper/100:20:151
74462480,0sleep30-21swapper/300:02:193
68872480,0sleep20-21swapper/223:28:462
3122480,0sleep20-21swapper/223:58:582
214922480,0sleep20-21swapper/221:13:192
184612480,0sleep318464-21grep21:38:243
179172470,0sleep10-21swapper/122:39:301
114882470,0sleep30-21swapper/300:11:003
79372450,0sleep10-21swapper/123:14:551
750324434,6sleep10-21swapper/119:09:351
325602410,1sleep2642-21systemd-logind23:42:072
236042400,0sleep20-21swapper/223:07:512
38772390,0sleep00-21swapper/023:50:470
309972390,0sleep230998-21tty21:56:012
74742298,7sleep20-21swapper/219:09:122
74452297,7sleep00-21swapper/019:08:500
73992297,7sleep30-21swapper/319:08:173
227992250,1sleep022786-21sshd00:37:050
188452180,0sleep20-21swapper/200:25:332
209632170,1sleep220961-21sshd22:14:402
78132160,0sleep00-21swapper/000:19:060
185482160,1sleep318542-21lspci23:46:293
7651991514,0cyclictest22634-21lspci22:00:501
54742150,0sleep30-21swapper/321:53:543
165632150,0sleep10-21swapper/122:44:591
149582150,0sleep00-21swapper/022:50:180
95762140,0sleep30-21swapper/323:51:183
39732140,0sleep30-21swapper/322:57:463
303722140,0sleep10-21swapper/123:16:471
281362140,0sleep00-21swapper/021:41:570
188202140,0sleep018823-21sshd23:57:430
146962140,0sleep20-21swapper/223:12:392
137172140,0sleep30-21swapper/323:01:233
124192140,0sleep3401ktimersoftd/323:29:153
7651991313,0cyclictest527-40kipmi019:16:531
7651991313,0cyclictest527-40kipmi019:16:531
765199130,12cyclictest0-21swapper/100:06:231
73652130,0sleep10-21swapper/121:59:371
31412130,0sleep30-21swapper/321:48:093
160472130,0sleep00-21swapper/000:22:350
116032130,0sleep311598-21lspci22:27:463
765399120,11cyclictest4241-21sshd23:36:533
7652991210,1cyclictest31208-21lspci00:12:442
7652991210,1cyclictest0-21swapper/221:44:332
765299120,1cyclictest6009-21sshd00:21:422
765299120,11cyclictest0-21swapper/223:37:032
765199120,1cyclictest7770-21sshd21:45:431
765199120,1cyclictest7074-21grep21:51:131
765199120,1cyclictest623-17sedispatch23:37:031
765199120,11cyclictest0-21swapper/100:32:231
764799124,4cyclictest32605-21munin-run20:10:000
7647991210,1cyclictest3396-21bash22:01:590
764799120,1cyclictest0-21swapper/021:48:390
764799120,1cyclictest0-21swapper/021:13:190
764799120,11cyclictest0-21swapper/022:46:090
764799120,11cyclictest0-21swapper/021:55:190
275362120,1sleep327535-21sshd21:33:393
765399119,1cyclictest9618-21grepconf.sh22:33:123
7653991110,0cyclictest0-21swapper/322:40:423
765399110,10cyclictest0-21swapper/322:50:333
765399110,10cyclictest0-21swapper/322:02:023
765399110,10cyclictest0-21swapper/300:28:233
765299119,1cyclictest674-21dbus-daemon22:02:122
765299119,1cyclictest0-21swapper/223:16:522
7652991110,0cyclictest0-21swapper/222:48:222
7652991110,0cyclictest0-21swapper/221:34:222
765199118,1cyclictest25-21ksoftirqd/121:43:301
7651991110,0cyclictest0-21swapper/123:46:431
765199110,1cyclictest11582-21lspci22:33:231
765199110,10cyclictest0-21swapper/122:59:431
765199110,10cyclictest0-21swapper/120:35:131
765199110,10cyclictest0-21swapper/100:12:331
765199110,0cyclictest1472-21bash23:59:031
765199110,0cyclictest0-21swapper/122:05:431
764799119,1cyclictest5760-21systemd-cgroups23:28:390
7647991110,0cyclictest0-21swapper/023:46:490
764799110,10cyclictest0-21swapper/021:15:390
764799110,10cyclictest0-21swapper/021:09:490
764799110,10cyclictest0-21swapper/019:35:290
764799110,0cyclictest0-21swapper/022:34:190
68102110,2sleep30-21swapper/322:38:323
765399109,0cyclictest0-21swapper/300:21:333
765399108,1cyclictest19566-21lspci22:14:323
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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