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2026-05-07 - 10:55
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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 rack7slot0.osadl.org (updated Thu May 07, 2026 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
112750630,0irq/25-eth00-21swapper/319:09:303
120650620,0irq/26-eth1-rx-0-21swapper/119:09:301
112750570,0irq/25-eth00-21swapper/219:06:352
2697824821,0sleep00-21swapper/019:08:020
2720499191,0cyclictest32487-21id00:02:083
2720299160,0cyclictest19119-21diskmemload21:12:211
112750160,0irq/25-eth016583-21cp00:21:283
27204991413,0cyclictest0-21swapper/322:46:263
2720499140,0cyclictest0-21swapper/322:33:203
27203991413,0cyclictest6183-21sshd21:12:262
27201991413,0cyclictest0-21swapper/021:26:460
191140,0ktimersoftd/17714-21cp22:37:231
112750140,0irq/25-eth09804-21sshd21:46:440
112750140,0irq/25-eth01815-21grep20:30:170
9950130,0irq/24-0000:00:28083-21sshd00:23:030
27204991312,0cyclictest11967-21sshd23:03:383
27204991312,0cyclictest0-21swapper/322:15:333
27204991312,0cyclictest0-21swapper/321:40:003
2720499130,0cyclictest351ktimersoftd/322:57:303
27203991311,0cyclictest30268-21bash22:06:202
2720399130,0cyclictest13744-21sshd22:33:582
2720399130,0cyclictest0-21swapper/222:54:322
2720399130,0cyclictest0-21swapper/222:49:402
2720399130,0cyclictest0-21swapper/221:51:072
27202991312,0cyclictest28259-21sed21:45:001
27202991312,0cyclictest19119-21diskmemload22:49:221
27202991312,0cyclictest16051-21bash22:08:481
27202991312,0cyclictest0-21swapper/123:25:421
27202991311,0cyclictest0-21swapper/122:33:401
2720199130,0cyclictest21922-21sshd23:26:210
271130,0ktimersoftd/27091-21ntp_states22:20:172
271130,0ktimersoftd/20-21swapper/222:04:142
112750130,0irq/25-eth00-21swapper/222:40:012
27204991212,0cyclictest18686-21sshd22:04:573
27204991210,0cyclictest19119-21diskmemload00:08:343
27204991210,0cyclictest0-21swapper/321:57:323
27204991210,0cyclictest0-21swapper/321:23:443
2720499120,0cyclictest0-21swapper/322:42:503
2720499120,0cyclictest0-21swapper/321:49:243
2720499120,0cyclictest0-21swapper/320:55:443
27203991212,0cyclictest0-21swapper/223:37:252
27203991211,0cyclictest5358-21sshd00:15:372
27203991211,0cyclictest23161-21bash23:00:412
27203991211,0cyclictest19143-21sshd23:55:592
27203991211,0cyclictest0-21swapper/223:31:422
27203991211,0cyclictest0-21swapper/221:38:552
27203991211,0cyclictest0-21swapper/200:29:482
27203991210,0cyclictest0-21swapper/221:42:592
2720399120,0cyclictest24059-21bash22:26:462
2720399120,0cyclictest0-21swapper/221:47:032
2720299122,0cyclictest0-21swapper/121:37:241
27202991211,0cyclictest19119-21diskmemload23:01:401
27202991211,0cyclictest17906-21sshd00:17:251
27202991211,0cyclictest15424-21rm21:30:271
27202991211,0cyclictest0-21swapper/122:22:521
27202991210,0cyclictest0-21swapper/100:31:341
2720299120,0cyclictest0-21swapper/123:42:471
2720299120,0cyclictest0-21swapper/123:10:091
2720299120,0cyclictest0-21swapper/122:55:301
2720299120,0cyclictest0-21swapper/122:40:521
2720299120,0cyclictest0-21swapper/122:00:271
2720299120,0cyclictest0-21swapper/121:26:241
27201991212,0cyclictest0-21swapper/022:53:330
27201991211,0cyclictest24689-21sshd21:44:330
27201991210,0cyclictest17449-21sshd00:04:320
27201991210,0cyclictest0-21swapper/023:03:330
27201991210,0cyclictest0-21swapper/022:23:280
27201991210,0cyclictest0-21swapper/021:58:150
2720199120,0cyclictest0-21swapper/023:55:140
2720199120,0cyclictest0-21swapper/023:15:090
271120,0ktimersoftd/20-21swapper/223:14:182
112750120,0irq/25-eth031732-21sshd21:28:312
112750120,0irq/25-eth021617-21sshd23:09:131
112750120,0irq/25-eth01639-21runrttasks23:33:590
112750120,0irq/25-eth00-21swapper/321:12:073
112750120,0irq/25-eth00-21swapper/121:20:291
112750120,0irq/25-eth00-21swapper/023:11:340
112750120,0irq/25-eth00-21swapper/000:13:490
41110,0ktimersoftd/030823-21sshd22:19:160
41110,0ktimersoftd/024799-21sshd22:39:440
41110,0ktimersoftd/00-21swapper/023:09:150
27204991111,0cyclictest0-21swapper/322:12:453
27204991111,0cyclictest0-21swapper/300:16:353
27204991110,0cyclictest6086-21fw_forwarded_lo22:20:113
27204991110,0cyclictest4146-21sshd23:28:213
27204991110,0cyclictest26269-21sshd00:14:173
27204991110,0cyclictest22746-21sshd21:52:413
27204991110,0cyclictest0-21swapper/322:07:113
27204991110,0cyclictest0-21swapper/321:31:153
27204991110,0cyclictest0-21swapper/321:25:013
2720499110,0cyclictest1480-21nfsd22:29:433
2720499110,0cyclictest0-21swapper/322:39:143
2720399119,0cyclictest0-21swapper/220:45:292
2720399119,0cyclictest0-21swapper/220:11:462
27203991111,0cyclictest0-21swapper/223:19:172
27203991111,0cyclictest0-21swapper/221:55:102
27203991110,0cyclictest20441-21sshd00:22:002
27203991110,0cyclictest0-21swapper/220:58:572
27203991110,0cyclictest0-21swapper/219:25:322
2720399110,0cyclictest0-21swapper/223:09:182
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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