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2026-05-02 - 10:56
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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 May 02, 2026 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
120650620,0irq/26-eth1-rx-0-21swapper/119:07:121
112750600,0irq/25-eth00-21swapper/319:08:193
1934924724,0sleep20-21swapper/219:09:192
112750470,0irq/25-eth00-21swapper/019:09:310
1947499221,0cyclictest936-21sshd23:12:050
191180,0ktimersoftd/18927-21bash22:13:201
112750180,0irq/25-eth020-21ksoftirqd/100:34:501
19474991615,0cyclictest3237-21bash21:21:310
19477991514,0cyclictest0-21swapper/322:16:323
19476991514,0cyclictest0-21swapper/200:32:042
1947499150,0cyclictest12636-21sshd22:26:340
1947499150,0cyclictest0-21swapper/022:39:210
19477991413,0cyclictest0-21swapper/323:29:583
19477991413,0cyclictest0-21swapper/300:11:333
1947699140,0cyclictest18816-21id22:18:552
1947699140,0cyclictest0-21swapper/221:31:192
1947699140,0cyclictest0-21swapper/221:23:182
1947499142,0cyclictest3-21ksoftirqd/023:53:490
19474991413,0cyclictest0-21swapper/023:09:400
19474991413,0cyclictest0-21swapper/021:59:300
1947499140,0cyclictest8-21rcu_preempt23:59:160
1947499140,0cyclictest0-21swapper/000:26:060
271130,0ktimersoftd/27819-21sshd21:43:232
19477991312,0cyclictest0-21swapper/321:28:063
1947799130,0cyclictest1242-21sshd22:46:243
1947799130,0cyclictest0-21swapper/323:11:583
1947799130,0cyclictest0-21swapper/300:09:503
19476991312,0cyclictest0-21swapper/221:17:482
19476991311,0cyclictest0-21swapper/223:43:302
1947699130,0cyclictest14869-21sshd23:05:172
1947699130,0cyclictest0-21swapper/221:26:322
1947699130,0cyclictest0-21swapper/200:08:492
19475991311,0cyclictest0-21swapper/123:09:141
19475991311,0cyclictest0-21swapper/122:35:541
19475991311,0cyclictest0-21swapper/121:30:581
1947599130,0cyclictest0-21swapper/121:19:411
19474991312,0cyclictest0-21swapper/000:06:280
1947499130,0cyclictest0-21swapper/022:23:190
191130,0ktimersoftd/10-21swapper/122:58:331
112750130,0irq/25-eth00-21swapper/123:32:001
9950120,0irq/24-0000:00:0-21swapper/121:22:431
19477991212,0cyclictest0-21swapper/322:57:263
19477991211,0cyclictest23538-21sshd23:02:123
19477991211,0cyclictest0-21swapper/323:46:283
19477991211,0cyclictest0-21swapper/323:15:133
19477991210,0cyclictest0-21swapper/322:02:293
1947799120,0cyclictest18803-21bash22:10:183
1947799120,0cyclictest11436-21diskmemload23:50:113
1947799120,0cyclictest0-21swapper/322:21:193
1947799120,0cyclictest0-21swapper/321:46:563
1947799120,0cyclictest0-21swapper/319:15:003
1947799120,0cyclictest0-21swapper/300:30:513
19476991211,0cyclictest26880-21sshd22:41:132
19476991211,0cyclictest0-21swapper/222:55:322
19476991211,0cyclictest0-21swapper/221:56:382
19476991210,0cyclictest0-21swapper/221:51:512
19476991210,0cyclictest0-21swapper/200:01:372
1947699120,0cyclictest0-21swapper/223:18:322
19475991212,0cyclictest0-21swapper/122:23:071
19475991211,0cyclictest1539-21sshd21:41:591
19475991211,0cyclictest0-21swapper/123:54:531
19475991211,0cyclictest0-21swapper/100:14:451
19475991211,0cyclictest0-21swapper/100:00:211
19475991210,0cyclictest16480-21sshd23:14:141
19475991210,0cyclictest0-21swapper/122:43:411
19475991210,0cyclictest0-21swapper/121:05:171
19475991210,0cyclictest0-21swapper/121:05:171
1947599120,0cyclictest8732-21sshd23:25:581
1947599120,0cyclictest0-21swapper/123:39:131
19474991212,0cyclictest0-21swapper/021:29:250
19474991211,0cyclictest10-21rcuc/022:13:200
19474991211,0cyclictest0-21swapper/021:54:450
19474991211,0cyclictest0-21swapper/021:38:570
19474991210,0cyclictest14243-21bash22:56:380
19474991210,0cyclictest0-21swapper/021:43:420
1947499120,0cyclictest0-21swapper/023:16:240
1947499120,0cyclictest0-21swapper/021:48:280
1947499120,0cyclictest0-21swapper/021:14:260
1947499120,0cyclictest0-21swapper/000:33:390
112750120,0irq/25-eth022739-21sshd21:24:103
112750120,0irq/25-eth00-21swapper/100:39:511
9950110,0irq/24-0000:00:2788-21munin-node00:25:192
271110,0ktimersoftd/20-21swapper/220:30:252
2599110,0migration/213706-21bash22:09:462
19477991111,0cyclictest0-21swapper/321:34:233
19477991111,0cyclictest0-21swapper/320:40:003
19477991111,0cyclictest0-21swapper/300:38:583
19477991110,0cyclictest20041-21sshd22:27:353
19477991110,0cyclictest11659-21sshd23:22:073
19477991110,0cyclictest10244-21sshd00:17:493
19477991110,0cyclictest0-21swapper/321:42:103
19477991110,0cyclictest0-21swapper/319:21:163
1947799110,0cyclictest16173-21sshd22:52:413
1947799110,0cyclictest0-21swapper/321:18:213
1947799110,0cyclictest0-21swapper/320:24:543
1947799110,0cyclictest0-21swapper/320:13:323
19476991111,0cyclictest0-21swapper/223:50:422
19476991111,0cyclictest0-21swapper/222:10:552
19476991111,0cyclictest0-21swapper/200:17:462
1947699110,0cyclictest0-21swapper/222:34:582
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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