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2026-01-11 - 14:23
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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 Jan 11, 2026 12:44:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1305521520,3sleep20-21swapper/210:00:042
1305521520,3sleep20-21swapper/210:00:042
2285921370,4sleep20-21swapper/208:50:442
2845321070,3sleep228451-21ssh11:20:422
2606821040,2sleep30-21swapper/310:45:423
1911321040,3sleep00-21swapper/007:10:440
1911321040,3sleep00-21swapper/007:10:440
712321030,4sleep20-21swapper/211:31:392
712321030,4sleep20-21swapper/211:31:392
2564221020,2sleep333-21ksoftirqd/307:30:283
2564221020,2sleep333-21ksoftirqd/307:30:283
3221021010,3chrt0-21swapper/307:45:473
3221021010,3chrt0-21swapper/307:45:473
3221021010,3chrt0-21swapper/307:45:473
240721010,3sleep30-21swapper/310:21:233
240721010,3sleep30-21swapper/310:21:233
3187221000,3sleep30-21swapper/310:18:583
3187221000,3sleep30-21swapper/310:18:583
275362880,3sleep227500-21ssh12:25:482
311502760,3sleep00-21swapper/009:11:190
311502760,3sleep00-21swapper/009:11:190
105242750,3sleep30-21swapper/311:35:383
105242750,3sleep30-21swapper/311:35:383
105242750,3sleep30-21swapper/311:35:383
42902690,2sleep24375-21fschecks_count08:00:382
181042660,2sleep30-21swapper/312:16:213
181042660,2sleep30-21swapper/312:16:213
255382620,3sleep30-21swapper/310:12:033
255382620,3sleep30-21swapper/310:12:033
6402610,2sleep2671-21latency_hist10:20:312
6402610,2sleep2671-21latency_hist10:20:312
292472590,4sleep30-21swapper/309:42:543
292472590,4sleep30-21swapper/309:42:543
192432580,2sleep00-21swapper/010:05:450
192432580,2sleep00-21swapper/010:05:450
148882580,3chrt0-21swapper/311:06:523
148882580,3chrt0-21swapper/311:06:523
224562560,3chrt0-21swapper/007:20:370
224562560,3chrt0-21swapper/007:20:370
223322560,3chrt0-21swapper/308:50:373
56632550,3chrt0-21swapper/309:18:583
56632550,3chrt0-21swapper/309:18:583
217782520,1sleep10-21swapper/111:14:261
217782520,1sleep10-21swapper/111:14:261
210292510,3chrt0-21swapper/307:15:453
210292510,3chrt0-21swapper/307:15:453
210292510,3chrt0-21swapper/307:15:453
46092500,3chrt0-21swapper/209:17:322
46092500,3chrt0-21swapper/209:17:322
37052500,2sleep13716-21ssh09:16:191
37052500,2sleep13716-21ssh09:16:191
32432500,3sleep10-21swapper/112:35:041
32432500,3sleep10-21swapper/112:35:041
123782500,1sleep112390-21ssh11:05:191
123782500,1sleep112390-21ssh11:05:191
85672490,2sleep30-21swapper/309:21:153
85672490,2sleep30-21swapper/309:21:153
229462490,3sleep30-21swapper/311:47:563
229462490,3sleep30-21swapper/311:47:563
87042480,2sleep10-21swapper/110:28:161
87042480,2sleep10-21swapper/110:28:161
225622480,2sleep10-21swapper/107:20:381
225622480,2sleep10-21swapper/107:20:381
141932480,3sleep00-21swapper/012:11:150
141932480,3sleep00-21swapper/012:11:150
54882470,3sleep00-21swapper/011:30:360
54882470,3sleep00-21swapper/011:30:360
109382460,3chrt0-21swapper/109:24:381
109382460,3chrt0-21swapper/109:24:381
320352450,4sleep30-21swapper/310:51:173
320352450,4sleep30-21swapper/310:51:173
209352450,2sleep021055-21switchtime11:45:440
209352450,2sleep021055-21switchtime11:45:440
19788994512,25cyclictest24665-21sh09:38:150
19788994512,25cyclictest24665-21sh09:38:150
1978899441,26cyclictest16533-21taskset11:09:060
1978899441,26cyclictest16533-21taskset11:09:060
1978899440,30cyclictest15131-21ssh10:01:120
1978899440,30cyclictest15131-21ssh10:01:120
175582440,3sleep00-21swapper/011:42:260
175582440,3sleep00-21swapper/011:42:260
15162440,3sleep00-21swapper/012:32:420
15162440,3sleep00-21swapper/012:32:420
316812430,3chrt0-21swapper/311:56:113
316812430,3chrt0-21swapper/311:56:113
316812430,3chrt0-21swapper/311:56:113
271722430,3sleep20-21swapper/211:51:522
222432430,2sleep20-21swapper/207:20:352
222432430,2sleep20-21swapper/207:20:352
222432430,2sleep20-21swapper/207:20:352
1978899431,33cyclictest28960-21ssh11:54:170
88132420,3sleep30-21swapper/311:33:573
88132420,3sleep30-21swapper/311:33:573
308242420,4sleep230823-21ssh10:50:402
308242420,4sleep230823-21ssh10:50:402
281632420,1sleep128224-21grep09:05:421
281632420,1sleep128224-21grep09:05:421
1978899410,38cyclictest73-21kswapd012:29:480
1978899410,27cyclictest26983-21taskset07:30:570
15262410,3sleep00-21swapper/007:50:460
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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