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2026-01-09 - 13:26
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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 Fri Jan 09, 2026 00:45:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2401421630,2sleep30-21swapper/321:16:493
2401421630,2sleep30-21swapper/321:16:493
1256021530,3sleep20-21swapper/223:18:052
1256021530,3sleep20-21swapper/223:18:052
1256021530,3sleep20-21swapper/223:18:052
1163221450,1sleep00-21swapper/019:25:310
1163221450,1sleep00-21swapper/019:25:310
2719821170,3sleep20-21swapper/200:39:352
2719821170,3sleep20-21swapper/200:39:352
2719821170,3sleep20-21swapper/200:39:352
1512021060,3chrt0-21swapper/023:20:360
1049221040,3chrt10488-21ssh21:35:452
1049221040,3chrt10488-21ssh21:35:452
1049221040,3chrt10488-21ssh21:35:452
588921030,12sleep012-21ksoftirqd/023:10:440
588921030,12sleep012-21ksoftirqd/023:10:440
588921030,12sleep012-21ksoftirqd/023:10:440
116392940,2chrt0-21swapper/023:50:340
116392940,2chrt0-21swapper/023:50:340
275552900,3sleep00-21swapper/000:06:050
275552900,3sleep00-21swapper/000:06:050
82372870,2sleep00-21swapper/020:45:360
82372870,2sleep00-21swapper/020:45:360
73902870,3sleep16014-21ls19:10:471
73902870,3sleep16014-21ls19:10:471
5442800,3sleep00-21swapper/000:11:440
312132780,2sleep227-21ksoftirqd/221:25:042
312132780,2sleep227-21ksoftirqd/221:25:042
312132780,2sleep227-21ksoftirqd/221:25:042
269302720,3chrt0-21swapper/000:39:130
269302720,3chrt0-21swapper/000:39:130
269302720,3chrt0-21swapper/000:39:130
17452670,4chrt0-21swapper/023:06:420
17452670,4chrt0-21swapper/023:06:420
82162610,3sleep20-21swapper/222:06:482
21932590,3sleep30-21swapper/300:14:003
196142590,3sleep00-21swapper/023:58:260
196142590,3sleep00-21swapper/023:58:260
196142590,3sleep00-21swapper/023:58:260
68422540,3sleep20-21swapper/222:39:192
68422540,3sleep20-21swapper/222:39:192
207682540,3sleep20-21swapper/221:46:222
213572530,3sleep30-21swapper/319:50:423
10002490,4chrt0-21swapper/023:39:490
10002490,4chrt0-21swapper/023:39:490
320912460,3chrt0-21swapper/023:05:290
88952450,3chrt0-21swapper/019:15:430
88952450,3chrt0-21swapper/019:15:430
23822450,2sleep20-21swapper/200:14:152
183682450,2sleep20-21swapper/200:30:362
298462440,3sleep30-21swapper/323:35:393
298462440,3sleep30-21swapper/323:35:393
43642430,4sleep30-21swapper/322:03:153
43642430,4sleep30-21swapper/322:03:153
43642430,4sleep30-21swapper/322:03:153
323402430,1sleep132351-21sh22:31:311
282102430,3sleep30-21swapper/323:34:263
282102430,3sleep30-21swapper/323:34:263
179272430,1sleep217928-21sh21:10:412
109212430,4chrt10919-21ssh22:10:270
13632420,3sleep30-21swapper/321:26:503
13632420,3sleep30-21swapper/321:26:503
236212410,2sleep20-21swapper/222:55:422
236212410,2sleep20-21swapper/222:55:422
236212410,2sleep20-21swapper/222:55:422
127002410,3sleep00-21swapper/020:55:450
127002410,3sleep00-21swapper/020:55:450
64152390,3sleep30-21swapper/322:38:443
64152390,3sleep30-21swapper/322:38:443
322562390,3sleep20-21swapper/223:38:102
322562390,3sleep20-21swapper/223:38:102
256652390,3sleep00-21swapper/023:30:530
256652390,3sleep00-21swapper/023:30:530
162262390,2sleep30-21swapper/321:05:443
162262390,2sleep30-21swapper/321:05:443
160552390,3chrt0-21swapper/219:35:422
160552390,3chrt0-21swapper/219:35:422
160552390,3chrt0-21swapper/219:35:422
192442380,3chrt0-21swapper/022:51:140
192442380,3chrt0-21swapper/022:51:140
122682380,4sleep30-21swapper/323:17:423
122682380,4sleep30-21swapper/323:17:423
122682380,4sleep30-21swapper/323:17:423
190782360,1sleep333-21ksoftirqd/323:57:413
190782360,1sleep333-21ksoftirqd/323:57:413
190782360,1sleep333-21ksoftirqd/323:57:413
45772350,3chrt0-21swapper/022:03:320
45772350,3chrt0-21swapper/022:03:320
45772350,3chrt0-21swapper/022:03:320
303672350,2sleep230380-21ssh00:09:582
303672350,2sleep230380-21ssh00:09:582
188402350,2sleep118850-21ssh22:17:571
188402350,2sleep118850-21ssh22:17:571
134512350,2sleep213500-21fschecks_count21:00:342
134512350,2sleep213500-21fschecks_count21:00:342
100302340,3chrt0-21swapper/222:42:042
100302340,3chrt0-21swapper/222:42:042
74142334,21sleep20-21swapper/219:10:562
74142334,21sleep20-21swapper/219:10:562
66802330,2sleep26525-21/usr/sbin/munin23:45:352
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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