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2025-12-15 - 00:38
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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 Sun Dec 14, 2025 13:38:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1163021360,2sleep00-21swapper/008:41:480
1163021360,2sleep00-21swapper/008:41:480
2118521230,2sleep10-21swapper/112:05:021
2118521230,2sleep10-21swapper/112:05:021
1754421000,2sleep30-21swapper/307:30:033
253712840,3chrt0-21swapper/309:20:013
253712840,3chrt0-21swapper/309:20:013
132542780,4sleep30-21swapper/307:16:533
181432750,3sleep118123-21timerandwakeup10:26:531
181432750,3sleep118123-21timerandwakeup10:26:531
298792620,3chrt0-21swapper/312:26:533
298792620,3chrt0-21swapper/312:26:533
261422610,4sleep30-21swapper/307:51:533
261422610,4sleep30-21swapper/307:51:533
294612560,3chrt0-21swapper/112:26:471
294612560,3chrt0-21swapper/112:26:471
120142540,2sleep012119-21latency10:11:460
270022530,3sleep227102-21awk10:51:502
66912520,3sleep20-21swapper/208:26:562
66912520,3sleep20-21swapper/208:26:562
184732500,2sleep012-21ksoftirqd/011:56:530
184732500,2sleep012-21ksoftirqd/011:56:530
12572490,3sleep10-21swapper/109:41:491
12572490,3sleep10-21swapper/109:41:491
8022460,3sleep00-21swapper/009:41:440
8022460,3sleep00-21swapper/009:41:440
135792450,3chrt0-21swapper/010:16:430
135792450,3chrt0-21swapper/010:16:430
128632450,3sleep30-21swapper/308:46:423
128632450,3sleep30-21swapper/308:46:423
102022450,2sleep29973-21ls07:10:302
102022450,2sleep29973-21ls07:10:302
101482450,3sleep09973-21ls07:10:040
101482450,3sleep09973-21ls07:10:040
327062440,2sleep20-21swapper/209:40:012
20242400,3sleep30-21swapper/311:11:553
20242400,3sleep30-21swapper/311:11:553
49742360,2sleep05067-21gunzip09:51:530
8602350,2sleep00-21swapper/011:10:010
282242350,2sleep20-21swapper/209:26:522
282242350,2sleep20-21swapper/209:26:522
19152340,4sleep30-21swapper/308:16:443
19152340,4sleep30-21swapper/308:16:443
1024499339,13cyclictest12-21ksoftirqd/007:59:110
1024499339,13cyclictest12-21ksoftirqd/007:59:110
59142320,2chrt0-21swapper/011:21:530
296052310,3sleep10-21swapper/108:01:511
296052310,3sleep10-21swapper/108:01:511
65262290,2sleep00-21swapper/009:56:470
65262290,2sleep00-21swapper/009:56:470
297622290,2sleep20-21swapper/208:01:522
297622290,2sleep20-21swapper/208:01:522
101812294,19sleep10-21swapper/107:10:131
101812294,19sleep10-21swapper/107:10:131
53102280,2sleep20-21swapper/208:25:072
53102280,2sleep20-21swapper/208:25:072
1024499289,10cyclictest12-21ksoftirqd/008:55:170
1024499289,10cyclictest12-21ksoftirqd/008:55:170
215472270,3sleep00-21swapper/012:06:410
107112270,3sleep10-21swapper/110:06:521
1024499278,11cyclictest12-21ksoftirqd/009:26:270
1024499278,11cyclictest12-21ksoftirqd/009:26:270
10244992718,6cyclictest151rcuc/011:25:250
10244992718,6cyclictest151rcuc/011:25:250
1024499267,7cyclictest12-21ksoftirqd/012:36:210
1024499265,8cyclictest12-21ksoftirqd/010:34:160
1024499265,8cyclictest12-21ksoftirqd/010:34:160
10244992617,6cyclictest151rcuc/011:45:100
10244992617,6cyclictest151rcuc/011:45:100
10244992617,6cyclictest151rcuc/010:42:400
10244992617,6cyclictest151rcuc/010:42:400
10244992610,7cyclictest12-21ksoftirqd/008:02:410
10244992610,7cyclictest12-21ksoftirqd/008:02:410
40892250,3chrt4092-21timerwakeupswit11:16:550
40892250,3chrt4092-21timerwakeupswit11:16:550
10246992517,6cyclictest8208-21perl10:01:452
10246992517,6cyclictest8208-21perl10:01:452
1024499259,10cyclictest12-21ksoftirqd/012:32:590
1024499258,8cyclictest12-21ksoftirqd/010:50:280
1024499258,7cyclictest12-21ksoftirqd/007:53:170
1024499258,7cyclictest12-21ksoftirqd/007:53:170
1024499257,8cyclictest12-21ksoftirqd/007:30:220
1024499257,6cyclictest12-21ksoftirqd/007:42:540
1024499257,6cyclictest12-21ksoftirqd/007:42:540
1024499256,9cyclictest12-21ksoftirqd/012:25:480
1024499256,9cyclictest12-21ksoftirqd/012:25:480
10244992517,5cyclictest151rcuc/011:35:480
1024499251,5cyclictest12-21ksoftirqd/010:56:500
1024499251,5cyclictest12-21ksoftirqd/010:56:500
277862240,11sleep121-21ksoftirqd/107:56:531
277862240,11sleep121-21ksoftirqd/107:56:531
10245992418,3cyclictest21-21ksoftirqd/109:25:001
10245992418,3cyclictest21-21ksoftirqd/109:25:001
1024499248,9cyclictest12-21ksoftirqd/012:04:060
1024499248,9cyclictest12-21ksoftirqd/012:04:060
1024499247,8cyclictest12-21ksoftirqd/009:34:490
1024499247,6cyclictest12-21ksoftirqd/009:06:170
1024499247,6cyclictest12-21ksoftirqd/009:06:170
1024499246,9cyclictest12-21ksoftirqd/008:25:500
1024499246,9cyclictest12-21ksoftirqd/008:25:500
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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