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2026-08-17 - 17:29
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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 Aug 17, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
112750660,0irq/25-eth00-21swapper/107:05:181
112750590,0irq/25-eth00-21swapper/307:07:493
112750550,0irq/25-eth00-21swapper/207:05:392
9950530,0irq/24-0000:00:0-21swapper/007:05:430
513199180,0cyclictest1935-21expr08:10:112
351180,0ktimersoftd/34870-21sshd09:47:473
271180,0ktimersoftd/229435-21diskmemload09:47:472
5131991716,0cyclictest9609-21sshd10:46:212
5132991615,0cyclictest0-21swapper/311:02:073
112750160,0irq/25-eth00-21swapper/309:18:093
513099150,0cyclictest0-21swapper/112:02:401
5132991413,0cyclictest0-21swapper/311:58:333
513299140,0cyclictest0-21swapper/310:05:203
5131991413,0cyclictest0-21swapper/209:16:212
513199140,0cyclictest0-21swapper/212:10:112
5130991413,0cyclictest12340-21sshd10:07:041
5130991413,0cyclictest0-21swapper/110:55:521
5130991412,0cyclictest21599-21sshd09:12:421
513099140,0cyclictest0-21swapper/112:08:421
5129991413,0cyclictest29435-21diskmemload09:16:330
5129991413,0cyclictest0-21swapper/012:27:320
5132991313,0cyclictest112750irq/25-eth012:13:263
5132991312,0cyclictest0-21swapper/312:27:433
5132991312,0cyclictest0-21swapper/310:15:243
513299130,0cyclictest8639-21sshd09:29:443
513299130,0cyclictest112750irq/25-eth012:20:153
513299130,0cyclictest0-21swapper/311:50:123
513299130,0cyclictest0-21swapper/311:46:223
513299130,0cyclictest0-21swapper/311:32:263
513299130,0cyclictest0-21swapper/310:49:473
513299130,0cyclictest0-21swapper/310:33:313
5131991312,0cyclictest23370-21sshd11:35:292
5131991312,0cyclictest0-21swapper/208:35:122
5131991311,0cyclictest11482-21sshd11:03:542
5130991312,0cyclictest0-21swapper/111:38:291
5130991312,0cyclictest0-21swapper/110:01:371
5130991312,0cyclictest0-21swapper/109:34:541
5130991311,0cyclictest3842-21proc_pri12:20:191
513099130,0cyclictest20498-21sshd11:09:261
512999130,0cyclictest28029-21sshd09:43:020
112750130,0irq/25-eth029435-21diskmemload12:16:273
112750130,0irq/25-eth00-21swapper/009:57:140
112750130,0irq/25-eth00-21swapper/009:57:130
9950120,0irq/24-0000:00:2079-21sshd09:21:290
5132991212,0cyclictest0-21swapper/310:20:233
5132991211,0cyclictest0-21swapper/312:37:153
5132991211,0cyclictest0-21swapper/310:38:323
5132991210,0cyclictest19977-21sshd09:53:133
5132991210,0cyclictest0-21swapper/312:02:233
5132991210,0cyclictest0-21swapper/311:10:483
5132991210,0cyclictest0-21swapper/310:00:473
5132991210,0cyclictest0-21swapper/308:03:403
513299120,0cyclictest29435-21diskmemload09:11:023
5131991212,0cyclictest0-21swapper/212:28:072
5131991211,0cyclictest0-21swapper/210:34:022
5131991211,0cyclictest0-21swapper/210:01:042
5131991211,0cyclictest0-21swapper/209:54:332
5131991210,0cyclictest5172-21sshd12:20:282
5131991210,0cyclictest0-21swapper/211:46:322
5131991210,0cyclictest0-21swapper/211:06:492
513199120,0cyclictest0-21swapper/211:59:402
513199120,0cyclictest0-21swapper/210:58:512
513199120,0cyclictest0-21swapper/210:35:052
513199120,0cyclictest0-21swapper/210:13:502
513199120,0cyclictest0-21swapper/210:05:162
5130991211,0cyclictest0-21swapper/112:32:451
5130991211,0cyclictest0-21swapper/109:40:071
5130991210,0cyclictest0-21swapper/109:54:031
5130991210,0cyclictest0-21swapper/109:36:591
513099120,0cyclictest20910-21sshd11:13:451
513099120,0cyclictest0-21swapper/111:49:321
513099120,0cyclictest0-21swapper/110:16:161
513099120,0cyclictest0-21swapper/108:20:121
5129991212,0cyclictest0-21swapper/011:37:490
5129991211,0cyclictest1480-21nfsd10:23:140
5129991211,0cyclictest0-21swapper/012:24:380
5129991211,0cyclictest0-21swapper/012:11:100
5129991211,0cyclictest0-21swapper/010:10:060
5129991210,0cyclictest32632-21bash10:58:060
5129991210,0cyclictest0-21swapper/011:54:530
5129991210,0cyclictest0-21swapper/009:45:090
512999120,0cyclictest29435-21diskmemload10:31:230
512999120,0cyclictest2742-21sshd12:03:020
512999120,0cyclictest0-21swapper/011:18:530
512999120,0cyclictest0-21swapper/011:14:560
512999120,0cyclictest0-21swapper/009:35:360
41120,0ktimersoftd/030979-21id10:16:380
41120,0ktimersoftd/029435-21diskmemload11:43:100
191120,0ktimersoftd/10-21swapper/112:39:221
112750120,0irq/25-eth00-21swapper/312:05:133
112750120,0irq/25-eth00-21swapper/111:25:151
112750120,0irq/25-eth00-21swapper/109:17:011
112750120,0irq/25-eth00-21swapper/010:54:470
112750120,0irq/25-eth00-21swapper/009:32:290
5132991111,0cyclictest112750irq/25-eth011:36:223
5132991111,0cyclictest0-21swapper/312:32:293
5132991111,0cyclictest0-21swapper/311:20:343
5132991111,0cyclictest0-21swapper/307:45:403
5132991110,0cyclictest0-21swapper/311:27:263
5132991110,0cyclictest0-21swapper/310:27:303
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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