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2026-08-31 - 07:51
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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 31, 2026 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
120650670,0irq/26-eth1-rx-0-21swapper/019:07:200
9950610,0irq/24-0000:00:0-21swapper/219:05:292
112750600,0irq/25-eth00-21swapper/119:05:461
112750590,0irq/25-eth00-21swapper/319:09:403
15001991913,0cyclictest0-21swapper/323:21:573
271180,0ktimersoftd/227544-21sshd22:37:252
15000991817,0cyclictest15649-21sshd00:38:512
1500199160,0cyclictest0-21swapper/321:05:223
14999991615,0cyclictest0-21swapper/123:35:521
14999991613,0cyclictest0-21swapper/121:15:531
15000991512,0cyclictest21930-21sshd23:40:032
14999991512,0cyclictest112750irq/25-eth023:01:561
14998991514,0cyclictest28078-21cp23:36:570
15001991413,0cyclictest22524-21sshd22:40:293
15001991413,0cyclictest0-21swapper/323:45:323
15001991411,0cyclictest0-21swapper/322:16:543
1500199140,0cyclictest0-21swapper/321:14:383
15000991413,0cyclictest0-21swapper/221:33:202
14999991413,0cyclictest0-21swapper/122:48:291
14999991412,0cyclictest0-21swapper/122:16:391
1499899140,0cyclictest2704-21bash23:41:280
112750140,0irq/25-eth00-21swapper/300:05:383
41130,0ktimersoftd/00-21swapper/022:30:120
15001991312,0cyclictest27283-21sshd22:33:443
15001991312,0cyclictest14645-21bash22:58:163
1500199130,0cyclictest0-21swapper/321:51:413
15000991312,0cyclictest0-21swapper/221:27:302
15000991311,0cyclictest19818-21sshd23:32:172
1500099130,0cyclictest0-21swapper/221:05:192
1500099130,0cyclictest0-21swapper/200:20:502
14999991312,0cyclictest16756-21sshd22:06:331
14999991312,0cyclictest0-21swapper/121:23:331
1499999130,0cyclictest28539-21bash00:36:301
1499999130,0cyclictest0-21swapper/122:25:141
1499999130,0cyclictest0-21swapper/121:13:051
1499999130,0cyclictest0-21swapper/100:15:431
14998991312,0cyclictest0-21swapper/022:42:410
1499899130,0cyclictest0-21swapper/021:36:210
112750130,0irq/25-eth022469-21sshd00:09:531
112750130,0irq/25-eth00-21swapper/323:43:193
112750130,0irq/25-eth00-21swapper/300:28:033
112750130,0irq/25-eth00-21swapper/023:14:260
41120,0ktimersoftd/06914-21diskmemload21:57:060
271120,0ktimersoftd/20-21swapper/223:47:512
15001991211,0cyclictest22692-21sshd22:51:433
15001991211,0cyclictest18993-21sshd22:06:473
15001991211,0cyclictest13413-21sshd21:36:283
15001991211,0cyclictest10586-21sshd22:24:263
15001991210,0cyclictest0-21swapper/322:03:543
15001991210,0cyclictest0-21swapper/322:03:533
1500199120,0cyclictest29083-21sshd22:45:063
1500199120,0cyclictest0-21swapper/320:20:233
15000991212,0cyclictest112750irq/25-eth000:13:032
15000991211,0cyclictest13416-21sshd21:21:422
15000991211,0cyclictest0-21swapper/223:57:012
15000991211,0cyclictest0-21swapper/223:37:102
15000991211,0cyclictest0-21swapper/222:50:272
15000991211,0cyclictest0-21swapper/221:42:432
15000991211,0cyclictest0-21swapper/200:04:552
15000991210,0cyclictest0-21swapper/222:47:532
15000991210,0cyclictest0-21swapper/221:16:562
1500099120,0cyclictest0-21swapper/222:10:292
1500099120,0cyclictest0-21swapper/221:52:292
14999991211,0cyclictest18154-21sshd22:32:411
14999991211,0cyclictest0-21swapper/123:24:501
14999991211,0cyclictest0-21swapper/122:51:011
14999991211,0cyclictest0-21swapper/100:31:301
14999991210,0cyclictest0-21swapper/123:51:471
14999991210,0cyclictest0-21swapper/123:25:591
14999991210,0cyclictest0-21swapper/100:23:301
1499999120,0cyclictest18082-21sshd22:21:311
1499999120,0cyclictest112750irq/25-eth023:45:591
1499999120,0cyclictest0-21swapper/100:02:351
14998991211,0cyclictest21205-21sshd21:18:560
14998991211,0cyclictest0-21swapper/021:26:360
14998991210,0cyclictest0-21swapper/022:10:370
14998991210,0cyclictest0-21swapper/021:21:510
14998991210,0cyclictest0-21swapper/000:25:300
14998991210,0cyclictest0-21swapper/000:21:260
1499899120,0cyclictest0-21swapper/020:00:170
112750120,0irq/25-eth027527-21sshd23:14:373
112750120,0irq/25-eth016917-21sshd23:39:303
112750120,0irq/25-eth014691-21cp00:01:300
112750120,0irq/25-eth014239-21sshd23:09:253
112750120,0irq/25-eth00-21swapper/321:44:303
112750120,0irq/25-eth00-21swapper/223:24:582
112750120,0irq/25-eth00-21swapper/023:57:210
191110,0ktimersoftd/16914-21diskmemload22:13:511
15001991111,0cyclictest0-21swapper/323:57:093
15001991110,0cyclictest6267-21sshd21:28:173
15001991110,0cyclictest14889-21ntpq23:50:173
15001991110,0cyclictest1480-21nfsd23:15:263
15001991110,0cyclictest13413-21sshd22:35:443
15001991110,0cyclictest0-21swapper/323:25:463
1500199110,0cyclictest12039-21sshd00:30:503
15000991111,0cyclictest25657-21sshd23:25:252
15000991111,0cyclictest0-21swapper/223:16:492
15000991111,0cyclictest0-21swapper/222:21:452
15000991111,0cyclictest0-21swapper/221:59:212
15000991111,0cyclictest0-21swapper/200:28:512
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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