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2025-12-23 - 18:50
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack4slot1.osadl.org (updated Tue Dec 23, 2025 12:45:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2806121510,2sleep30-21swapper/309:10:263
2806121510,2sleep30-21swapper/309:10:263
2806121510,2sleep30-21swapper/309:10:263
1450321380,4sleep30-21swapper/310:03:583
1173121300,3sleep30-21swapper/312:15:193
1173121300,3sleep30-21swapper/312:15:193
1795321150,3sleep30-21swapper/311:47:463
1795321150,3sleep30-21swapper/311:47:463
244721140,2chrt0-21swapper/011:31:120
244721140,2chrt0-21swapper/011:31:120
1627521080,3chrt0-21swapper/010:39:360
1627521080,3chrt0-21swapper/010:39:360
1627521080,3chrt0-21swapper/010:39:360
2988921070,3sleep30-21swapper/312:00:203
2988921070,3sleep30-21swapper/312:00:203
29962970,3chrt0-21swapper/009:18:300
29962970,3chrt0-21swapper/009:18:300
294232970,3sleep00-21swapper/010:52:300
294232970,3sleep00-21swapper/010:52:300
264542720,2sleep10-21swapper/111:22:571
264542720,2sleep10-21swapper/111:22:571
30572710,3sleep10-21swapper/109:18:351
30572710,3sleep10-21swapper/109:18:351
156112710,2chrt0-21swapper/110:05:171
156112710,2chrt0-21swapper/110:05:171
14262700,3sleep10-21swapper/107:55:261
14262700,3sleep10-21swapper/107:55:261
273452690,3sleep20-21swapper/212:30:372
273452690,3sleep20-21swapper/212:30:372
273452690,3sleep20-21swapper/212:30:372
248122680,3chrt0-21swapper/312:28:533
148122620,2chrt27-21ksoftirqd/210:37:332
148122620,2chrt27-21ksoftirqd/210:37:332
148122620,2chrt27-21ksoftirqd/210:37:332
12132620,3sleep00-21swapper/012:37:470
12132620,3sleep00-21swapper/012:37:470
79982610,2sleep00-21swapper/009:56:360
79982610,2sleep00-21swapper/009:56:360
79982610,2sleep00-21swapper/009:56:360
298342580,3sleep00-21swapper/011:25:530
133902560,4sleep30-21swapper/308:30:203
133902560,4sleep30-21swapper/308:30:203
85352550,3sleep30-21swapper/312:11:173
85352550,3sleep30-21swapper/312:11:173
85702540,3sleep00-21swapper/008:15:260
85702540,3sleep00-21swapper/008:15:260
259272530,2sleep1201rcuc/111:55:281
259272530,2sleep1201rcuc/111:55:281
259272530,2sleep1201rcuc/111:55:281
205892530,2sleep020754-21gltestperf10:10:190
205892530,2sleep020754-21gltestperf10:10:190
5402520,2sleep1571-21ssh11:30:131
143872510,2sleep114399-21rm10:03:491
195292500,3chrt0-21swapper/112:23:171
120922500,2sleep10-21swapper/108:25:271
120922500,2sleep10-21swapper/108:25:271
104372500,3sleep10-21swapper/110:33:141
104372500,3sleep10-21swapper/110:33:141
283422490,3chrt0-21swapper/011:58:530
283422490,3chrt0-21swapper/011:58:530
283422490,3chrt0-21swapper/011:58:530
311472480,3chrt0-21swapper/007:50:060
311472480,3chrt0-21swapper/007:50:060
1840199481,32cyclictest31230-21ssh10:55:022
1840199481,32cyclictest31230-21ssh10:55:022
108342480,2sleep30-21swapper/310:00:173
108342480,2sleep30-21swapper/310:00:173
108342480,2sleep30-21swapper/310:00:173
303562470,3sleep30-21swapper/312:34:563
303562470,3sleep30-21swapper/312:34:563
303562470,3sleep30-21swapper/312:34:563
23822470,3chrt0-21swapper/208:00:132
23822470,3chrt0-21swapper/208:00:132
1840199471,29cyclictest32547-21ssh10:22:172
1840199471,29cyclictest32547-21ssh10:22:172
252362460,4sleep00-21swapper/009:05:080
99982450,3chrt0-21swapper/311:05:273
99982450,3chrt0-21swapper/311:05:273
46832450,4chrt0-21swapper/211:34:232
46832450,4chrt0-21swapper/211:34:232
1840199451,31cyclictest695-21runrttasks11:00:542
1840199451,31cyclictest695-21runrttasks11:00:542
1840199441,30cyclictest11364-21sh10:34:312
1840199441,30cyclictest11364-21sh10:34:312
1840199441,29cyclictest17663-21ssh11:14:112
1840199441,29cyclictest17663-21ssh11:14:112
1840199441,28cyclictest5948-21sh10:28:412
1840199441,28cyclictest5948-21sh10:28:412
1840199441,28cyclictest2740-21ssh10:58:412
1840199441,28cyclictest2740-21ssh10:58:412
1840199441,28cyclictest2740-21ssh10:58:412
1840199440,29cyclictest20965-21ssh10:44:232
1840199440,29cyclictest20965-21ssh10:44:232
1840199440,27cyclictest13241-21ssh10:02:122
288812430,4sleep30-21swapper/310:18:503
288812430,4sleep30-21swapper/310:18:503
1840199431,30cyclictest10181-21which08:20:262
1840199431,30cyclictest10181-21which08:20:262
1840199431,29cyclictest30810-21seq07:46:212
1840199431,29cyclictest30810-21seq07:46:212
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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