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2026-08-20 - 19:04
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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 Aug 20, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
120650620,0irq/26-eth1-rx-0-21swapper/107:09:131
112750590,0irq/25-eth00-21swapper/307:06:553
9950580,0irq/24-0000:00:0-21swapper/007:05:300
112750540,0irq/25-eth00-21swapper/207:05:462
271170,0ktimersoftd/227284-21sshd10:44:032
1959799170,0cyclictest0-21swapper/311:23:443
1959499171,0cyclictest0-21swapper/007:40:150
191170,0ktimersoftd/10-21swapper/110:44:031
41160,0ktimersoftd/00-21swapper/009:20:190
19597991611,0cyclictest0-21swapper/312:24:153
1959499161,0cyclictest0-21swapper/009:15:090
1959799159,0cyclictest1034-21sshd10:03:553
1959799151,0cyclictest0-21swapper/312:32:443
1959799150,0cyclictest0-21swapper/312:07:393
1959799150,0cyclictest0-21swapper/310:56:053
19596991514,0cyclictest0-21swapper/210:06:562
1959699150,0cyclictest3249-21sshd12:10:192
19595991514,0cyclictest0-21swapper/111:38:251
19595991512,0cyclictest0-21swapper/112:34:121
19594991512,0cyclictest0-21swapper/012:08:080
1959799149,0cyclictest10322-21sshd11:19:193
1959799148,0cyclictest29071-21sshd12:13:213
1959799148,0cyclictest1636-21sshd09:52:553
19597991410,0cyclictest6063-21sshd09:49:483
1959799140,0cyclictest4827-21bash11:59:313
1959799140,0cyclictest0-21swapper/310:46:483
1959799140,0cyclictest0-21swapper/308:00:153
19594991413,0cyclictest0-21swapper/010:41:140
19594991413,0cyclictest0-21swapper/010:23:280
41130,0ktimersoftd/023759-21sshd09:40:360
41130,0ktimersoftd/00-21swapper/011:06:060
271130,0ktimersoftd/20-21swapper/211:22:552
1959799139,0cyclictest22100-21sshd10:28:343
1959799138,0cyclictest13489-21sshd11:30:383
19597991312,0cyclictest11530-21diskmemload09:57:053
19597991312,0cyclictest0-21swapper/311:52:393
19597991312,0cyclictest0-21swapper/309:33:163
19597991312,0cyclictest0-21swapper/309:21:183
1959799130,0cyclictest0-21swapper/311:49:103
1959799130,0cyclictest0-21swapper/310:36:013
1959799130,0cyclictest0-21swapper/310:15:203
1959799130,0cyclictest0-21swapper/310:12:183
1959699130,0cyclictest28264-21bash10:14:302
19595991312,0cyclictest23270-21sshd11:20:391
19595991312,0cyclictest11530-21diskmemload12:36:021
19594991312,0cyclictest11530-21diskmemload12:12:250
19594991312,0cyclictest11530-21diskmemload11:26:250
1959499130,0cyclictest0-21swapper/012:36:210
191130,0ktimersoftd/128993-21sshd10:18:161
271120,0ktimersoftd/20-21swapper/211:08:032
1959799128,0cyclictest2391-21cp11:10:533
1959799128,0cyclictest13078-21sshd12:15:123
19597991212,0cyclictest112750irq/25-eth011:39:543
19597991212,0cyclictest0-21swapper/311:25:223
19597991212,0cyclictest0-21swapper/310:20:123
19597991211,0cyclictest24542-21bash09:26:003
19597991211,0cyclictest0-21swapper/312:26:073
19597991210,0cyclictest26167-21sshd11:43:223
19597991210,0cyclictest18592-21sshd10:54:143
19597991210,0cyclictest0-21swapper/311:09:553
19597991210,0cyclictest0-21swapper/310:30:453
19596991212,0cyclictest0-21swapper/211:32:542
19596991211,0cyclictest3169-21sshd10:37:302
19596991211,0cyclictest0-21swapper/212:32:582
19596991211,0cyclictest0-21swapper/210:45:302
19596991211,0cyclictest0-21swapper/209:50:552
1959699120,0cyclictest8515-21sshd11:00:232
1959699120,0cyclictest0-21swapper/212:22:382
1959699120,0cyclictest0-21swapper/210:56:402
1959699120,0cyclictest0-21swapper/209:59:302
1959699120,0cyclictest0-21swapper/209:49:522
19595991212,0cyclictest0-21swapper/110:57:041
19595991211,0cyclictest0-21swapper/112:08:531
19595991211,0cyclictest0-21swapper/112:00:441
19595991211,0cyclictest0-21swapper/111:12:171
19595991210,0cyclictest349-21sshd12:17:271
1959599120,0cyclictest1539-21sshd11:41:551
1959499129,0cyclictest26744-21sshd12:24:130
19594991211,0cyclictest27879-21bash10:06:550
19594991211,0cyclictest0-21swapper/011:48:370
19594991211,0cyclictest0-21swapper/011:35:500
19594991211,0cyclictest0-21swapper/010:58:470
1959499120,0cyclictest23838-21sshd09:55:200
112750120,0irq/25-eth00-21swapper/211:26:452
112750120,0irq/25-eth00-21swapper/109:18:051
112750120,0irq/25-eth00-21swapper/011:23:550
41110,0ktimersoftd/01390-21sed07:35:220
271110,0ktimersoftd/20-21swapper/212:07:042
1959799119,0cyclictest0-21swapper/310:42:163
1959799118,0cyclictest0-21swapper/309:10:513
19597991110,0cyclictest0-21swapper/311:04:203
1959699119,0cyclictest0-21swapper/208:01:012
19596991111,0cyclictest0-21swapper/210:32:092
19596991111,0cyclictest0-21swapper/208:44:272
19596991111,0cyclictest0-21swapper/207:15:152
19596991110,0cyclictest6014-21sshd09:35:022
19596991110,0cyclictest11530-21diskmemload09:10:442
19596991110,0cyclictest11260-21sshd12:03:572
19596991110,0cyclictest0-21swapper/211:40:412
19596991110,0cyclictest0-21swapper/210:54:482
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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