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2026-03-21 - 10:23
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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 Mar 21, 2026 00:43:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
120650670,0irq/26-eth1-rx-0-21swapper/319:06:513
112750670,0irq/25-eth00-21swapper/119:07:351
120650460,0irq/26-eth1-rx-0-21swapper/219:05:202
112750410,0irq/25-eth00-21swapper/019:09:060
3163299180,0cyclictest0-21swapper/223:15:372
3163299173,0cyclictest112750irq/25-eth023:09:022
3163299162,0cyclictest2640-21sshd23:23:342
3163299160,0cyclictest0-21swapper/223:14:272
31630991612,0cyclictest0-21swapper/021:52:280
3163299150,0cyclictest0-21swapper/223:25:192
3163299150,0cyclictest0-21swapper/220:40:162
3163199150,0cyclictest0-21swapper/122:03:331
3163099155,0cyclictest5185-21sshd22:15:220
3163099154,0cyclictest29830-21bash21:15:000
3163099154,0cyclictest16202-21sshd00:34:170
3163099154,0cyclictest10148-21sshd23:20:140
3163099153,0cyclictest29376-21sshd21:57:270
9950140,0irq/24-0000:00:14319-21latency_hist20:50:001
31633991413,0cyclictest848-21bash00:10:343
31633991413,0cyclictest0-21swapper/321:58:433
31633991411,0cyclictest0-21swapper/300:04:253
3163099144,0cyclictest7828-21bash22:28:400
3163099144,0cyclictest3551-21bash23:02:160
3163099144,0cyclictest27577-21bash21:44:300
3163099144,0cyclictest23121-21sshd22:35:000
3163099143,0cyclictest9585-21munin-node23:50:140
3163099143,0cyclictest3689-21sshd21:32:500
3163099143,0cyclictest3689-21sshd21:32:500
3163099143,0cyclictest0-21swapper/021:49:290
3163099143,0cyclictest0-21swapper/000:27:470
31630991413,0cyclictest14140-21sshd00:08:090
31630991412,0cyclictest0-21swapper/023:59:480
31630991411,0cyclictest0-21swapper/000:03:590
31633991312,0cyclictest0-21swapper/323:40:003
31633991312,0cyclictest0-21swapper/321:19:273
31633991311,0cyclictest0-21swapper/323:15:013
3163399130,0cyclictest30614-21sshd22:57:163
3163399130,0cyclictest21012-21sshd21:13:503
3163399130,0cyclictest0-21swapper/321:39:473
3163399130,0cyclictest0-21swapper/321:39:463
31632991312,0cyclictest23531-21diskmemload21:18:042
31632991312,0cyclictest0-21swapper/222:16:122
31632991312,0cyclictest0-21swapper/222:01:582
3163299130,0cyclictest2954-21sshd23:45:082
3163299130,0cyclictest19145-21sshd21:56:032
31631991312,0cyclictest0-21swapper/121:11:021
31631991311,0cyclictest32015-21sshd00:10:231
3163199130,0cyclictest0-21swapper/123:00:351
3163199130,0cyclictest0-21swapper/122:58:361
3163199130,0cyclictest0-21swapper/122:42:481
3163099134,0cyclictest29280-21sshd21:27:390
3163099134,0cyclictest2355-21sshd00:10:460
3163099134,0cyclictest19320-21cp23:47:130
3163099133,0cyclictest921-21bash00:15:030
3163099133,0cyclictest921-21bash00:15:030
3163099133,0cyclictest421-21sshd21:36:370
3163099133,0cyclictest421-21sshd21:36:360
3163099133,0cyclictest28167-21sshd23:31:100
3163099133,0cyclictest27540-21sshd23:26:490
3163099133,0cyclictest21717-21sshd23:17:310
3163099133,0cyclictest0-21swapper/022:32:490
3163099132,0cyclictest0-21swapper/023:06:090
3163099132,0cyclictest0-21swapper/022:24:260
31630991311,0cyclictest0-21swapper/022:40:050
3163099130,0cyclictest0-21swapper/000:20:420
3163099130,0cyclictest0-21swapper/000:20:420
271130,0ktimersoftd/20-21swapper/221:31:122
271130,0ktimersoftd/20-21swapper/221:31:112
112750130,0irq/25-eth00-21swapper/322:23:563
351120,0ktimersoftd/30-21swapper/322:52:153
31633991211,0cyclictest6775-21sshd23:28:243
31633991211,0cyclictest22382-21sshd22:00:413
31633991211,0cyclictest0-21swapper/323:22:423
31633991211,0cyclictest0-21swapper/321:46:393
31633991211,0cyclictest0-21swapper/321:41:593
31633991211,0cyclictest0-21swapper/300:22:533
31633991211,0cyclictest0-21swapper/300:22:533
31633991210,0cyclictest0-21swapper/323:36:043
31633991210,0cyclictest0-21swapper/300:16:433
31633991210,0cyclictest0-21swapper/300:16:423
3163399120,0cyclictest0-21swapper/323:11:053
3163399120,0cyclictest0-21swapper/322:12:473
31632991211,0cyclictest23531-21diskmemload22:24:382
31632991211,0cyclictest0-21swapper/223:40:572
31632991211,0cyclictest0-21swapper/221:20:172
31632991211,0cyclictest0-21swapper/200:33:212
31632991210,0cyclictest0-21swapper/222:59:282
31632991210,0cyclictest0-21swapper/222:10:072
3163299120,0cyclictest0-21swapper/221:54:042
3163299120,0cyclictest0-21swapper/200:22:322
3163299120,0cyclictest0-21swapper/200:22:322
31631991211,0cyclictest23531-21diskmemload00:06:131
31631991211,0cyclictest0-21swapper/123:43:341
31631991210,0cyclictest3846-21cp23:28:001
31631991210,0cyclictest0-21swapper/123:16:371
31631991210,0cyclictest0-21swapper/122:23:591
31631991210,0cyclictest0-21swapper/100:24:551
31631991210,0cyclictest0-21swapper/100:24:551
3163199120,0cyclictest0-21swapper/123:22:171
3163199120,0cyclictest0-21swapper/122:45:211
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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