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2025-09-17 - 14:07
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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 Wed Sep 17, 2025 00:43:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
117950630,0irq/26-eth1-rx-351ktimersoftd/319:05:493
110050630,0irq/25-eth00-21swapper/219:09:292
110050620,0irq/25-eth00-21swapper/119:05:401
9950540,0irq/24-0000:00:0-21swapper/019:05:260
2392599213,0cyclictest0-21swapper/122:11:241
271180,0ktimersoftd/28260-21sshd21:12:312
23927991512,0cyclictest0-21swapper/322:46:433
2392799151,0cyclictest0-21swapper/322:20:013
2392799150,0cyclictest20299-21bash23:38:113
23926991514,0cyclictest1453-21nfsd22:27:012
23926991512,0cyclictest0-21swapper/222:32:092
23925991514,0cyclictest8056-21sshd21:19:031
23925991511,0cyclictest0-21swapper/122:08:261
23924991512,0cyclictest0-21swapper/021:58:100
271140,0ktimersoftd/221297-21sshd21:17:052
23927991413,0cyclictest0-21swapper/321:25:243
23926991413,0cyclictest0-21swapper/200:21:472
23925991412,0cyclictest20617-21sshd23:34:581
2392599141,0cyclictest32305-21sshd22:36:241
23924991413,0cyclictest6663-21sshd23:43:310
23924991413,0cyclictest0-21swapper/000:05:360
110050140,0irq/25-eth00-21swapper/000:04:530
9950130,0irq/24-0000:00:16448-21sshd21:16:353
23927991312,0cyclictest0-21swapper/323:21:483
23927991312,0cyclictest0-21swapper/322:30:143
23927991310,0cyclictest0-21swapper/323:51:123
23926991312,0cyclictest30882-21sshd00:17:302
23926991312,0cyclictest0-21swapper/223:41:092
23926991312,0cyclictest0-21swapper/223:19:122
23926991312,0cyclictest0-21swapper/221:26:092
23926991311,0cyclictest0-21swapper/222:43:322
23925991312,0cyclictest24834-21sshd23:05:491
23925991312,0cyclictest12121-21sshd00:27:201
23925991312,0cyclictest0-21swapper/123:52:031
23925991312,0cyclictest0-21swapper/122:04:281
23925991312,0cyclictest0-21swapper/100:35:001
2392599130,0cyclictest19659-21sshd22:45:151
2392599130,0cyclictest0-21swapper/123:18:211
2392599130,0cyclictest0-21swapper/121:30:411
2392599130,0cyclictest0-21swapper/100:12:211
2392499130,0cyclictest7611-21sshd23:33:390
2392499130,0cyclictest31214-21sshd22:42:590
2392499130,0cyclictest15844-21diskmemload23:20:230
2392499130,0cyclictest0-21swapper/022:08:570
110050130,0irq/25-eth00-21swapper/300:28:433
110050130,0irq/25-eth00-21swapper/023:55:430
110050130,0irq/25-eth00-21swapper/021:49:480
23927991211,0cyclictest5242-21sshd23:10:263
23927991211,0cyclictest3646-21sshd23:43:103
23927991211,0cyclictest21089-21sshd21:49:413
23927991211,0cyclictest14049-21bash22:37:533
23927991211,0cyclictest110050irq/25-eth022:07:563
23927991211,0cyclictest0-21swapper/322:27:413
23927991211,0cyclictest0-21swapper/321:55:573
23927991211,0cyclictest0-21swapper/321:39:413
23927991211,0cyclictest0-21swapper/300:10:573
23927991210,0cyclictest0-21swapper/322:24:323
2392799120,0cyclictest12937-21sshd22:41:023
2392799120,0cyclictest0-21swapper/323:30:443
2392799120,0cyclictest0-21swapper/321:42:163
2392799120,0cyclictest0-21swapper/300:33:353
2392799120,0cyclictest0-21swapper/300:07:133
23926991211,0cyclictest19714-21sshd00:36:262
23926991211,0cyclictest0-21swapper/223:57:102
23926991211,0cyclictest0-21swapper/223:35:342
23926991211,0cyclictest0-21swapper/222:21:202
23926991211,0cyclictest0-21swapper/222:03:192
23926991211,0cyclictest0-21swapper/200:09:292
23926991210,0cyclictest0-21swapper/221:57:532
2392699120,0cyclictest0-21swapper/223:22:192
2392699120,0cyclictest0-21swapper/200:13:462
2392699120,0cyclictest0-21swapper/200:01:282
2392599123,0cyclictest11155-21munin-run21:00:001
23925991211,0cyclictest17957-21sshd21:39:361
23925991211,0cyclictest0-21swapper/123:55:451
23925991211,0cyclictest0-21swapper/123:47:441
23925991211,0cyclictest0-21swapper/122:42:071
23925991211,0cyclictest0-21swapper/122:20:301
23925991210,0cyclictest9116-21sshd23:24:021
23925991210,0cyclictest7029-21sshd23:04:061
23925991210,0cyclictest0-21swapper/121:47:371
23925991210,0cyclictest0-21swapper/120:27:141
2392599120,0cyclictest0-21swapper/122:31:191
2392599120,0cyclictest0-21swapper/121:59:361
2392599120,0cyclictest0-21swapper/100:20:221
23924991211,0cyclictest0-21swapper/023:52:070
23924991211,0cyclictest0-21swapper/021:16:130
23924991211,0cyclictest0-21swapper/000:18:290
23924991210,0cyclictest0-21swapper/022:20:140
2392499120,0cyclictest18153-21cp23:37:560
2392499120,0cyclictest11834-21sshd21:29:130
2392499120,0cyclictest0-21swapper/022:57:510
191120,0ktimersoftd/125529-21sshd23:12:321
110050120,0irq/25-eth015182-21bash21:23:011
110050120,0irq/25-eth00-21swapper/123:35:251
110050120,0irq/25-eth00-21swapper/122:52:411
110050120,0irq/25-eth00-21swapper/122:52:401
41110,0ktimersoftd/028302-21sshd22:39:210
41110,0ktimersoftd/00-21swapper/023:00:410
351110,0ktimersoftd/30-21swapper/300:21:443
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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