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2026-07-27 - 13:31
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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 Mon Jul 27, 2026 00:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
120650650,0irq/26-eth1-rx-0-21swapper/319:08:143
112750620,0irq/25-eth00-21swapper/119:05:181
9950560,0irq/24-0000:00:0-21swapper/019:05:380
112750550,0irq/25-eth00-21swapper/219:05:512
2572199231,0cyclictest20682-21id21:22:320
2572499223,0cyclictest0-21swapper/322:25:463
271180,0ktimersoftd/24311-21sshd22:25:462
25724991815,0cyclictest0-21swapper/322:14:523
25724991714,0cyclictest9248-21rm00:29:453
2572499171,0cyclictest0-21swapper/322:55:333
25722991717,0cyclictest0-21swapper/123:03:071
25724991613,0cyclictest5051-21bash23:43:593
25724991514,0cyclictest22022-21sshd22:40:203
25724991512,0cyclictest0-21swapper/323:35:163
2572399150,0cyclictest0-21swapper/200:19:212
25721991513,0cyclictest0-21swapper/021:33:260
112750150,0irq/25-eth00-21swapper/221:51:492
2572499142,0cyclictest18610-21sshd00:30:483
25724991412,0cyclictest27542-21sshd21:11:063
2572399145,0cyclictest0-21swapper/223:42:192
25723991413,0cyclictest17633-21diskmemload21:47:312
25723991413,0cyclictest0-21swapper/221:20:132
25722991411,0cyclictest0-21swapper/121:55:111
25721991411,0cyclictest4953-21bash23:35:380
2572199140,0cyclictest0-21swapper/023:25:160
25724991312,0cyclictest26439-21sshd22:04:043
25724991312,0cyclictest10779-21sshd00:21:373
25724991311,0cyclictest0-21swapper/300:00:363
2572499130,0cyclictest0-21swapper/300:15:353
2572399138,0cyclictest24964-21sshd00:02:552
25723991312,0cyclictest0-21swapper/223:35:402
25723991312,0cyclictest0-21swapper/221:56:492
25723991311,0cyclictest0-21swapper/221:17:262
25722991312,0cyclictest17734-21sshd21:50:311
25722991312,0cyclictest0-21swapper/122:20:091
25722991312,0cyclictest0-21swapper/122:19:071
25722991312,0cyclictest0-21swapper/122:19:061
25722991312,0cyclictest0-21swapper/122:07:021
25722991311,0cyclictest0-21swapper/122:48:021
25722991310,0cyclictest11449-21sshd00:13:321
25721991312,0cyclictest17744-21bash23:12:450
25721991312,0cyclictest0-21swapper/021:48:320
25721991311,0cyclictest0-21swapper/023:06:210
25721991311,0cyclictest0-21swapper/022:08:360
2572199130,0cyclictest19558-21bash22:56:290
191130,0ktimersoftd/10-21swapper/100:28:181
112750130,0irq/25-eth017633-21diskmemload00:22:432
112750130,0irq/25-eth00-21swapper/022:45:340
112750130,0irq/25-eth00-21swapper/000:27:240
41120,0ktimersoftd/00-21swapper/022:01:190
25724991211,0cyclictest16779-21cp00:38:573
25724991211,0cyclictest0-21swapper/323:32:223
25724991211,0cyclictest0-21swapper/323:10:463
25724991211,0cyclictest0-21swapper/321:20:443
25724991210,0cyclictest0-21swapper/323:56:393
25724991210,0cyclictest0-21swapper/323:16:063
25724991210,0cyclictest0-21swapper/321:45:293
2572499120,0cyclictest0-21swapper/323:06:143
2572499120,0cyclictest0-21swapper/322:31:223
2572499120,0cyclictest0-21swapper/321:51:073
25723991212,0cyclictest0-21swapper/223:12:462
25723991211,0cyclictest0-21swapper/222:44:272
25723991211,0cyclictest0-21swapper/221:40:052
25723991211,0cyclictest0-21swapper/200:28:312
25723991211,0cyclictest0-21swapper/200:05:102
25723991210,0cyclictest5155-21sshd23:56:142
25723991210,0cyclictest0-21swapper/222:37:212
25723991210,0cyclictest0-21swapper/222:09:572
2572399120,0cyclictest0-21swapper/223:15:272
2572399120,0cyclictest0-21swapper/221:11:512
2572299129,0cyclictest0-21swapper/120:47:061
25722991211,0cyclictest481-21jbd2/dm-0-821:31:501
25722991211,0cyclictest27001-21sshd23:46:421
25722991211,0cyclictest2501-21sshd22:33:521
25722991211,0cyclictest0-21swapper/123:05:491
25722991211,0cyclictest0-21swapper/122:10:381
25722991210,0cyclictest0-21swapper/121:21:091
2572299120,0cyclictest17633-21diskmemload00:33:131
2572299120,0cyclictest0-21swapper/123:50:391
2572299120,0cyclictest0-21swapper/123:17:331
2572299120,0cyclictest0-21swapper/122:39:531
25721991211,0cyclictest0-21swapper/023:32:430
25721991210,0cyclictest17633-21diskmemload22:37:180
25721991210,0cyclictest0-21swapper/021:17:090
2572199120,0cyclictest3839-21sshd22:13:300
2572199120,0cyclictest0-21swapper/021:59:060
2572199120,0cyclictest0-21swapper/000:22:260
41110,0ktimersoftd/07925-21sshd21:37:090
41110,0ktimersoftd/017633-21diskmemload22:17:040
41110,0ktimersoftd/017633-21diskmemload22:17:030
41110,0ktimersoftd/00-21swapper/023:57:140
41110,0ktimersoftd/00-21swapper/021:51:390
2572499119,0cyclictest0-21swapper/319:29:073
2572499115,0cyclictest14408-21sshd23:20:253
25724991111,0cyclictest0-21swapper/322:48:273
25724991111,0cyclictest0-21swapper/320:16:033
25724991111,0cyclictest0-21swapper/319:15:593
25724991110,0cyclictest28693-21rm21:27:373
25724991110,0cyclictest0-21swapper/321:55:503
25724991110,0cyclictest0-21swapper/320:51:293
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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