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2026-07-28 - 03:24
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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 Tue Jul 28, 2026 00:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
120650640,0irq/26-eth1-rx-0-21swapper/319:05:483
112750640,0irq/25-eth00-21swapper/119:05:311
112750610,0irq/25-eth00-21swapper/019:07:550
112750540,0irq/25-eth00-21swapper/219:09:332
2092399221,0cyclictest7331-21sshd21:29:490
2092399190,0cyclictest1626-21sshd23:20:160
2092699180,0cyclictest31944-21ps00:05:203
351170,0ktimersoftd/37223-21bash00:39:243
2092599163,0cyclictest0-21swapper/221:22:302
2092499160,0cyclictest0-21swapper/100:35:191
2092599159,0cyclictest7158-21sshd23:49:592
20926991413,0cyclictest9922-21chrt22:35:553
20926991413,0cyclictest1370-21sshd23:40:513
20926991413,0cyclictest112750irq/25-eth023:13:333
20926991411,0cyclictest0-21swapper/320:00:143
2092699140,0cyclictest0-21swapper/322:12:553
20925991413,0cyclictest2633-21sshd21:12:432
20925991413,0cyclictest0-21swapper/222:12:252
20925991411,0cyclictest0-21swapper/222:01:582
2092599140,0cyclictest0-21swapper/219:40:132
20924991413,0cyclictest9346-21sshd23:04:531
20924991413,0cyclictest0-21swapper/121:38:201
2092499140,0cyclictest0-21swapper/120:30:191
2092499140,0cyclictest0-21swapper/119:10:171
2092399140,0cyclictest23112-21sshd22:41:450
2092399140,0cyclictest12824-21diskmemload21:55:230
112750140,0irq/25-eth022884-21sshd22:08:513
112750140,0irq/25-eth019113-21bash22:45:193
20926991313,0cyclictest0-21swapper/322:59:373
20926991312,0cyclictest0-21swapper/321:22:293
20926991311,0cyclictest0-21swapper/322:34:523
2092699130,0cyclictest0-21swapper/322:44:513
2092699130,0cyclictest0-21swapper/321:50:433
2092699130,0cyclictest0-21swapper/319:40:143
2092599132,0cyclictest8387-21sshd21:17:352
20925991312,0cyclictest0-21swapper/222:19:442
20925991312,0cyclictest0-21swapper/221:56:292
20925991310,0cyclictest20515-21sshd22:20:462
20925991310,0cyclictest0-21swapper/221:02:162
2092599130,0cyclictest0-21swapper/223:45:002
20924991312,0cyclictest112750irq/25-eth022:59:531
20924991312,0cyclictest0-21swapper/121:46:201
2092499130,0cyclictest112750irq/25-eth021:40:121
2092499130,0cyclictest0-21swapper/122:26:331
20923991312,0cyclictest17324-21sshd00:15:500
20923991312,0cyclictest0-21swapper/023:03:350
20923991310,0cyclictest0-21swapper/000:24:260
2092399130,0cyclictest0-21swapper/022:49:390
112750130,0irq/25-eth00-21swapper/322:51:573
112750130,0irq/25-eth00-21swapper/321:28:533
112750130,0irq/25-eth00-21swapper/222:43:192
20926991212,0cyclictest0-21swapper/321:31:283
20926991211,0cyclictest0-21swapper/323:53:103
20926991211,0cyclictest0-21swapper/321:11:073
20926991211,0cyclictest0-21swapper/300:21:383
2092699120,0cyclictest20292-21sshd21:19:083
2092699120,0cyclictest0-21swapper/323:19:353
2092699120,0cyclictest0-21swapper/320:30:173
2092599128,0cyclictest3423-21sshd00:26:292
2092599125,0cyclictest120650irq/26-eth1-rx-20:28:592
20925991211,0cyclictest6360-21bash00:18:412
20925991211,0cyclictest4255-21id21:49:592
20925991211,0cyclictest1480-21nfsd23:24:332
20925991211,0cyclictest0-21swapper/221:35:152
20925991211,0cyclictest0-21swapper/221:27:142
20925991211,0cyclictest0-21swapper/200:33:472
20925991210,0cyclictest12824-21diskmemload00:10:062
2092599120,0cyclictest1563-21sshd23:32:422
2092599120,0cyclictest1563-21sshd23:32:412
2092599120,0cyclictest0-21swapper/222:59:262
20924991212,0cyclictest0-21swapper/123:37:101
20924991211,0cyclictest9649-21bash22:40:081
20924991211,0cyclictest6786-21sshd23:20:541
20924991211,0cyclictest0-21swapper/123:26:571
20924991211,0cyclictest0-21swapper/123:08:501
20924991211,0cyclictest0-21swapper/122:30:441
20924991211,0cyclictest0-21swapper/122:09:491
20924991210,0cyclictest0-21swapper/123:55:451
20924991210,0cyclictest0-21swapper/121:53:541
20924991210,0cyclictest0-21swapper/121:30:191
20924991210,0cyclictest0-21swapper/100:27:351
20923991211,0cyclictest19409-21sshd21:35:170
20923991211,0cyclictest12824-21diskmemload00:31:590
20923991211,0cyclictest11560-21bash22:19:480
20923991211,0cyclictest11500-21sshd22:11:250
20923991211,0cyclictest0-21swapper/023:46:210
20923991211,0cyclictest0-21swapper/021:50:030
2092399120,0cyclictest0-21swapper/023:30:170
2092399120,0cyclictest0-21swapper/023:30:170
2092399120,0cyclictest0-21swapper/020:30:190
112750120,0irq/25-eth00-21swapper/123:14:101
112750120,0irq/25-eth00-21swapper/122:14:061
41110,0ktimersoftd/031214-21sshd22:38:430
41110,0ktimersoftd/00-21swapper/022:26:020
41110,0ktimersoftd/00-21swapper/021:16:170
351110,0ktimersoftd/30-21swapper/323:39:273
351110,0ktimersoftd/30-21swapper/323:08:123
20926991111,0cyclictest0-21swapper/320:45:203
20926991110,0cyclictest0-21swapper/323:31:403
20926991110,0cyclictest0-21swapper/323:31:403
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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