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2026-04-04 - 10:25
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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 Sat Apr 04, 2026 00:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
120650680,0irq/26-eth1-rx-0-21swapper/119:05:461
112750660,0irq/25-eth00-21swapper/319:05:153
120650480,0irq/26-eth1-rx-0-21swapper/019:05:150
120650450,0irq/26-eth1-rx-0-21swapper/219:06:392
24829991911,0cyclictest31679-21sshd22:41:540
2482999170,0cyclictest8557-21sshd21:58:450
24829991612,0cyclictest0-21swapper/022:01:350
2482999161,0cyclictest0-21swapper/023:30:270
2482999160,0cyclictest0-21swapper/022:39:260
24830991512,0cyclictest0-21swapper/122:13:331
24829991512,0cyclictest0-21swapper/021:41:510
24829991511,0cyclictest3589-21sshd22:48:230
2482999151,0cyclictest16748-21diskmemload00:34:250
2482999150,0cyclictest29819-21ntpdc22:30:180
2482999150,0cyclictest16770-21sshd23:47:000
24832991413,0cyclictest5531-21bash22:54:263
2483299140,0cyclictest0-21swapper/322:59:113
24831991412,0cyclictest0-21swapper/221:16:502
24829991412,0cyclictest0-21swapper/023:29:530
24829991412,0cyclictest0-21swapper/023:11:090
2482999141,0cyclictest0-21swapper/021:45:380
24829991410,0cyclictest0-21swapper/021:15:290
2482999140,0cyclictest32748-21sshd23:21:350
2482999140,0cyclictest28702-21sshd21:50:490
2482999140,0cyclictest26421-21sshd00:00:020
2482999140,0cyclictest18075-21gzip00:15:200
2482999140,0cyclictest17499-21sshd23:35:430
2482999140,0cyclictest16748-21diskmemload22:16:440
2482999140,0cyclictest12762-21sshd22:05:100
2482999140,0cyclictest11093-21sshd23:40:170
2482999140,0cyclictest10737-21grep21:25:220
2482999140,0cyclictest0-21swapper/021:34:550
2482999140,0cyclictest0-21swapper/019:55:190
24832991312,0cyclictest3686-21xargs21:35:203
24832991312,0cyclictest0-21swapper/322:05:593
24832991311,0cyclictest31980-21sshd22:19:423
24832991311,0cyclictest0-21swapper/322:31:253
2483299130,0cyclictest8721-21df_abs21:25:143
2483299130,0cyclictest0-21swapper/323:08:573
24831991311,0cyclictest0-21swapper/221:12:102
2483199130,0cyclictest0-21swapper/222:30:352
24830991312,0cyclictest0-21swapper/123:40:281
24830991312,0cyclictest0-21swapper/121:14:471
24830991311,0cyclictest29453-21bash22:58:321
24829991312,0cyclictest16748-21diskmemload00:26:480
2482999131,0cyclictest0-21swapper/022:14:530
2482999130,0cyclictest5564-21sshd21:35:380
2482999130,0cyclictest5161-21sshd23:00:000
2482999130,0cyclictest27647-21bash22:58:120
2482999130,0cyclictest23717-21sshd21:22:090
2482999130,0cyclictest1944-21interrupts00:35:160
2482999130,0cyclictest15645-21sshd23:07:240
2482999130,0cyclictest15369-21fw_conntrack21:05:140
2482999130,0cyclictest0-21swapper/023:55:180
2482999130,0cyclictest0-21swapper/022:53:100
2482999130,0cyclictest0-21swapper/022:27:590
2482999130,0cyclictest0-21swapper/021:10:010
2482999130,0cyclictest0-21swapper/000:21:550
2482999130,0cyclictest0-21swapper/000:11:050
112750130,0irq/25-eth016748-21diskmemload22:36:331
112750130,0irq/25-eth00-21swapper/223:55:022
351120,0ktimersoftd/31480-21nfsd00:36:053
24832991212,0cyclictest0-21swapper/300:24:563
24832991211,0cyclictest36-21ksoftirqd/322:14:433
24832991211,0cyclictest0-21swapper/323:03:583
24832991211,0cyclictest0-21swapper/321:42:453
24832991211,0cyclictest0-21swapper/320:10:173
24832991211,0cyclictest0-21swapper/300:30:373
2483299121,0cyclictest0-21swapper/323:56:073
24832991210,0cyclictest3611-21sshd23:39:103
24832991210,0cyclictest30201-21sshd23:32:253
24832991210,0cyclictest0-21swapper/321:48:263
24832991210,0cyclictest0-21swapper/321:17:063
2483299120,0cyclictest0-21swapper/323:13:573
2483299120,0cyclictest0-21swapper/322:24:413
2483299120,0cyclictest0-21swapper/321:14:523
24831991212,0cyclictest271ktimersoftd/222:18:372
24831991211,0cyclictest25597-21bash23:20:172
24831991211,0cyclictest0-21swapper/223:40:452
24831991211,0cyclictest0-21swapper/222:00:302
24831991210,0cyclictest26454-21sshd22:52:192
24831991210,0cyclictest0-21swapper/222:13:372
2483199120,0cyclictest0-21swapper/223:15:192
2483199120,0cyclictest0-21swapper/223:03:352
2483199120,0cyclictest0-21swapper/222:41:032
2483199120,0cyclictest0-21swapper/221:31:202
2483199120,0cyclictest0-21swapper/200:33:222
24830991212,0cyclictest0-21swapper/122:18:341
24830991212,0cyclictest0-21swapper/121:44:531
24830991212,0cyclictest0-21swapper/100:34:361
24830991211,0cyclictest0-21swapper/100:22:591
24830991211,0cyclictest0-21swapper/100:09:371
24830991210,0cyclictest0-21swapper/123:52:261
24830991210,0cyclictest0-21swapper/122:25:181
24830991210,0cyclictest0-21swapper/122:08:351
24830991210,0cyclictest0-21swapper/100:11:221
2483099120,0cyclictest18423-21sshd21:21:101
2483099120,0cyclictest0-21swapper/121:31:301
2483099120,0cyclictest0-21swapper/119:11:111
2482999121,0cyclictest0-21swapper/020:55:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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