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2026-05-30 - 10:38
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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 rack7slot1.osadl.org (updated Sat May 30, 2026 00:45:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
649821340,1sleep212845-21stress23:23:432
225821210,1sleep212847-21stress00:29:132
24490211956,58sleep20-21swapper/219:09:152
24451211755,57sleep30-21swapper/319:08:433
24340210850,20sleep00-21swapper/019:07:190
2410529646,19sleep10-21swapper/119:05:231
293062750,2sleep312844-21stress00:15:243
293062750,2sleep312844-21stress00:15:233
102682680,1sleep312845-21stress23:30:313
2466199469,25cyclictest0-21swapper/022:06:270
24661994510,32cyclictest0-21swapper/023:41:470
169232440,1sleep312847-21stress21:17:043
2466399425,18cyclictest0-21swapper/221:55:362
2466399425,18cyclictest0-21swapper/221:55:362
24661994211,28cyclictest0-21swapper/021:46:440
24661994210,29cyclictest0-21swapper/000:38:490
2466199418,29cyclictest0-21swapper/000:14:090
24661994111,27cyclictest0-21swapper/023:15:300
90712405,13sleep20-21swapper/221:00:142
24661994016,21cyclictest0-21swapper/022:22:130
24661994011,26cyclictest0-21swapper/022:02:110
24661994011,26cyclictest0-21swapper/022:02:110
24661993915,21cyclictest0-21swapper/000:18:290
24661993915,21cyclictest0-21swapper/000:18:280
24661993913,23cyclictest0-21swapper/023:00:380
24661993911,25cyclictest0-21swapper/021:35:110
92562385,13sleep00-21swapper/021:00:150
2466499386,29cyclictest0-21swapper/300:00:253
24664993815,20cyclictest0-21swapper/321:30:163
24664993815,20cyclictest0-21swapper/321:30:153
2466199389,26cyclictest0-21swapper/022:30:300
2466199389,26cyclictest0-21swapper/022:30:290
24661993816,20cyclictest0-21swapper/000:25:330
24661993810,18cyclictest0-21swapper/000:32:180
24661993810,18cyclictest0-21swapper/000:32:170
168292385,13sleep20-21swapper/220:03:562
63682375,13sleep20-21swapper/219:40:072
320742375,13sleep10-21swapper/120:39:191
320742375,13sleep10-21swapper/120:39:191
276872375,13sleep20-21swapper/220:29:182
2466499379,25cyclictest0-21swapper/323:05:233
2466499379,25cyclictest0-21swapper/322:34:463
2466499379,25cyclictest0-21swapper/322:34:463
24664993715,19cyclictest0-21swapper/321:10:243
24664993714,20cyclictest0-21swapper/323:28:443
24664993710,24cyclictest0-21swapper/322:55:183
24663993712,22cyclictest0-21swapper/222:38:372
2466199379,25cyclictest0-21swapper/021:50:180
24661993712,22cyclictest0-21swapper/023:30:090
24661993710,24cyclictest0-21swapper/022:15:180
189112375,13sleep30-21swapper/320:07:583
38222365,12sleep20-21swapper/219:34:042
297132365,13sleep00-21swapper/020:32:370
254432365,13sleep00-21swapper/020:23:140
2466499369,25cyclictest0-21swapper/323:21:443
24664993614,20cyclictest0-21swapper/322:35:143
24663993616,17cyclictest0-21swapper/200:04:212
24663993615,18cyclictest0-21swapper/221:53:182
24663993614,19cyclictest0-21swapper/223:52:442
24661993613,20cyclictest0-21swapper/021:32:330
24661993613,20cyclictest0-21swapper/021:32:330
24661993610,23cyclictest0-21swapper/021:20:050
24661993610,23cyclictest0-21swapper/021:20:050
210082365,12sleep10-21swapper/120:12:091
18002365,13sleep30-21swapper/320:43:503
145132364,13sleep10-21swapper/119:57:341
105712364,13sleep10-21swapper/121:04:211
85292355,12sleep30-21swapper/319:45:093
80532354,12sleep10-21swapper/119:42:331
74292355,14sleep00-21swapper/020:55:180
39702355,13sleep00-21swapper/020:48:120
39282354,12sleep10-21swapper/120:47:421
38922354,13sleep10-21swapper/119:34:551
319272355,13sleep20-21swapper/220:37:412
319272355,13sleep20-21swapper/220:37:412
318472354,12sleep10-21swapper/119:24:261
24664993514,19cyclictest0-21swapper/322:40:133
24664993513,19cyclictest0-21swapper/323:37:283
24663993516,16cyclictest0-21swapper/222:31:522
24663993516,16cyclictest0-21swapper/222:31:512
24663993514,18cyclictest0-21swapper/200:14:522
24663993512,21cyclictest0-21swapper/200:23:152
24663993512,21cyclictest0-21swapper/200:23:152
24663993511,21cyclictest0-21swapper/200:35:282
24663993510,22cyclictest0-21swapper/223:28:052
24662993515,18cyclictest0-21swapper/123:04:511
24662993513,20cyclictest0-21swapper/122:35:281
2466199359,23cyclictest0-21swapper/023:20:050
24661993516,17cyclictest0-21swapper/019:40:050
24661993513,19cyclictest0-21swapper/022:54:330
24661993512,20cyclictest0-21swapper/000:07:540
24661993511,21cyclictest0-21swapper/022:10:040
123192355,13sleep20-21swapper/219:51:572
101732355,10sleep20-21swapper/219:46:592
81532344,12sleep10-21swapper/120:56:121
79272345,12sleep30-21swapper/319:40:593
315972345,10sleep20-21swapper/219:21:252
295442345,10sleep10-21swapper/119:18:151
2466499349,22cyclictest0-21swapper/323:52:133
24664993415,17cyclictest0-21swapper/322:51:363
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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