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2026-07-23 - 16:19
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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 Thu Jul 23, 2026 12:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
120650640,0irq/26-eth1-rx-0-21swapper/107:09:511
120650600,0irq/26-eth1-rx-0-21swapper/307:06:143
112750550,0irq/25-eth00-21swapper/207:06:212
9950460,0irq/24-0000:00:0-21swapper/007:10:000
1910991514,0cyclictest0-21swapper/309:20:183
1908991514,0cyclictest0-21swapper/110:27:571
1910991413,0cyclictest0-21swapper/311:33:533
1910991413,0cyclictest0-21swapper/310:47:333
1910991313,0cyclictest0-21swapper/312:12:493
1910991312,0cyclictest26222-21diskmemload12:23:163
1910991312,0cyclictest12715-21taskset10:21:453
1910991312,0cyclictest0-21swapper/311:14:503
1910991311,0cyclictest7260-21sshd09:52:213
191099130,0cyclictest0-21swapper/312:07:423
1909991312,0cyclictest23144-21sshd11:49:172
1909991312,0cyclictest0-21swapper/210:56:532
1909991312,0cyclictest0-21swapper/210:37:502
190999130,0cyclictest0-21swapper/210:23:402
1908991312,0cyclictest13247-21sshd09:24:381
190899130,0cyclictest0-21swapper/109:45:141
1907991312,0cyclictest0-21swapper/010:53:070
271120,0ktimersoftd/20-21swapper/212:06:072
1910991212,0cyclictest0-21swapper/309:48:463
1910991211,0cyclictest1514-21sshd11:46:273
191099120,0cyclictest0-21swapper/311:57:423
191099120,0cyclictest0-21swapper/310:32:203
1909991211,0cyclictest0-21swapper/212:35:592
1909991211,0cyclictest0-21swapper/212:03:072
1909991210,0cyclictest16669-21sshd10:50:582
1909991210,0cyclictest0-21swapper/207:46:152
190999120,0cyclictest0-21swapper/211:25:422
190999120,0cyclictest0-21swapper/210:45:022
190999120,0cyclictest0-21swapper/209:49:102
1908991211,0cyclictest10931-21sshd10:42:071
1908991211,0cyclictest0-21swapper/112:23:451
1908991211,0cyclictest0-21swapper/109:16:291
190899120,0cyclictest0-21swapper/111:10:281
190899120,0cyclictest0-21swapper/110:33:521
190899120,0cyclictest0-21swapper/110:24:481
190799129,0cyclictest3963-21sshd10:00:110
1907991211,0cyclictest29268-21sshd10:07:230
1907991211,0cyclictest0-21swapper/010:27:390
1907991210,0cyclictest0-21swapper/009:42:110
190799120,0cyclictest0-21swapper/012:36:040
190799120,0cyclictest0-21swapper/011:57:160
112750120,0irq/25-eth09291-21sshd10:41:540
112750120,0irq/25-eth00-21swapper/311:06:293
112750120,0irq/25-eth00-21swapper/209:59:162
9950110,0irq/24-0000:00:31202-21sshd09:59:300
41110,0ktimersoftd/024629-21sshd11:08:280
271110,0ktimersoftd/20-21swapper/209:38:492
1910991111,0cyclictest0-21swapper/312:31:103
1910991111,0cyclictest0-21swapper/309:12:103
1910991110,0cyclictest15992-21sshd11:15:253
1910991110,0cyclictest0-21swapper/310:17:073
1910991110,0cyclictest0-21swapper/309:55:583
1910991110,0cyclictest0-21swapper/309:04:023
1910991110,0cyclictest0-21swapper/308:50:193
191099110,0cyclictest26222-21diskmemload10:30:003
191099110,0cyclictest0-21swapper/310:59:233
191099110,0cyclictest0-21swapper/308:59:593
191099110,0cyclictest0-21swapper/308:37:533
191099110,0cyclictest0-21swapper/307:58:103
191099110,0cyclictest0-21swapper/307:15:543
1909991111,0cyclictest112750irq/25-eth012:13:192
1909991111,0cyclictest0-21swapper/210:10:462
1909991110,0cyclictest17031-21sshd09:41:182
1909991110,0cyclictest0-21swapper/212:31:542
1909991110,0cyclictest0-21swapper/211:32:542
1909991110,0cyclictest0-21swapper/211:10:012
1909991110,0cyclictest0-21swapper/210:25:592
1909991110,0cyclictest0-21swapper/210:17:442
190999110,0cyclictest0-21swapper/211:50:332
190999110,0cyclictest0-21swapper/211:00:292
190899119,0cyclictest0-21swapper/109:01:311
1908991111,0cyclictest0-21swapper/111:06:521
1908991111,0cyclictest0-21swapper/110:01:071
1908991110,0cyclictest0-21swapper/112:32:111
1908991110,0cyclictest0-21swapper/111:58:121
1908991110,0cyclictest0-21swapper/108:46:181
190899110,0cyclictest0-21swapper/110:18:391
190899110,0cyclictest0-21swapper/108:57:271
190799118,0cyclictest112750irq/25-eth011:32:110
190799110,0cyclictest7890-21bash11:35:030
190799110,0cyclictest0-21swapper/012:30:440
190799110,0cyclictest0-21swapper/009:24:590
112750110,0irq/25-eth024632-21seq11:53:331
112750110,0irq/25-eth018-21rcuc/111:00:201
112750110,0irq/25-eth00-21swapper/312:16:033
112750110,0irq/25-eth00-21swapper/312:01:393
112750110,0irq/25-eth00-21swapper/310:54:453
9950100,0irq/24-0000:00:16995-21sshd11:52:330
41100,0ktimersoftd/00-21swapper/012:15:130
351100,0ktimersoftd/30-21swapper/308:25:493
191100,0ktimersoftd/10-21swapper/108:17:221
191099109,0cyclictest22987-21sshd10:39:373
191099109,0cyclictest0-21swapper/312:25:503
191099109,0cyclictest0-21swapper/311:04:023
191099109,0cyclictest0-21swapper/309:31:003
191099109,0cyclictest0-21swapper/308:33:373
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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