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2026-03-29 - 12:30
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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 highest latencies:
System rack4slot1.osadl.org (updated Sat Mar 28, 2026 20:06:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9300211810,2sleep30-21swapper/319:12:053
9300211810,2sleep30-21swapper/319:12:053
1702821040,2sleep20-21swapper/219:32:022
1702821040,2sleep20-21swapper/219:32:022
279862790,3sleep00-21swapper/020:01:550
279862790,3sleep00-21swapper/020:01:550
96102570,3sleep20-21swapper/219:12:132
96102570,3sleep20-21swapper/219:12:132
260762550,3sleep00-21swapper/019:56:570
260762550,3sleep00-21swapper/019:56:570
245332470,3sleep30-21swapper/319:52:013
245332470,3sleep30-21swapper/319:52:013
86532440,2sleep08078-21ls19:11:540
86532440,2sleep08078-21ls19:11:540
966499394,32cyclictest22799-21grep19:47:032
966499394,32cyclictest22799-21grep19:47:032
966499391,22cyclictest0-21swapper/219:30:472
966299391,25cyclictest17356-21taskset19:32:250
966299391,25cyclictest17356-21taskset19:32:250
966299391,23cyclictest10401-21df19:16:520
966299391,23cyclictest10401-21df19:16:520
966499381,23cyclictest18650-21ntpq19:36:582
966499381,23cyclictest18650-21ntpq19:36:582
966299380,35cyclictest73-21kswapd019:46:520
966299380,35cyclictest73-21kswapd019:46:520
966299380,35cyclictest25621-21snmpd19:41:400
966299380,35cyclictest25621-21snmpd19:41:400
966299380,33cyclictest15077-21find19:27:040
966499363,30cyclictest13307-21grep19:22:042
966499363,30cyclictest13307-21grep19:22:042
966499351,31cyclictest0-21swapper/219:52:082
966499351,31cyclictest0-21swapper/219:52:082
966499351,31cyclictest0-21swapper/219:41:522
966499350,32cyclictest26581-21find19:57:052
966499350,32cyclictest26581-21find19:57:052
966499350,23cyclictest0-21swapper/219:20:162
966499350,23cyclictest0-21swapper/219:20:162
966299351,32cyclictest25621-21snmpd19:42:510
966299351,29cyclictest12294-21df19:21:510
966299351,29cyclictest12294-21df19:21:510
966299350,32cyclictest25621-21snmpd19:52:560
966299350,32cyclictest25621-21snmpd19:52:560
966499340,31cyclictest28540-21find20:02:042
966499340,31cyclictest28540-21find20:02:042
211332330,3chrt0-21swapper/319:42:053
95782324,21sleep10-21swapper/119:12:081
95782324,21sleep10-21swapper/119:12:081
966399251,11cyclictest256212snmpd19:47:541
966399251,11cyclictest256212snmpd19:47:541
966399214,8cyclictest27839-21fschecks_time20:01:541
966399214,8cyclictest27839-21fschecks_time20:01:541
966399214,11cyclictest20892-21taskset19:42:021
9663992111,7cyclictest25621-21snmpd19:53:181
9663992111,7cyclictest25621-21snmpd19:53:181
966399201,10cyclictest12484-21fschecks_time19:21:521
966399201,10cyclictest12484-21fschecks_time19:21:521
966699191,13cyclictest0-21swapper/319:56:553
966699191,13cyclictest0-21swapper/319:56:553
966399194,7cyclictest18169-21fschecks_count19:36:521
966399194,7cyclictest18169-21fschecks_count19:36:521
966399194,12cyclictest16473-21wc19:31:541
966399194,12cyclictest16473-21wc19:31:541
9666991812,4cyclictest0-21swapper/319:36:553
9666991812,4cyclictest0-21swapper/319:36:553
966399182,13cyclictest14318-21fschecks_count19:26:531
966399181,8cyclictest27317-21latency_hist20:01:471
966399181,8cyclictest27317-21latency_hist20:01:471
966399181,14cyclictest10826-21grep19:16:561
966399181,14cyclictest10826-21grep19:16:561
966699163,10cyclictest228002sleep319:47:043
966699163,10cyclictest228002sleep319:47:043
966699161,10cyclictest0-21swapper/320:01:563
966699161,10cyclictest0-21swapper/320:01:563
966699151,11cyclictest10400-21chrt19:16:523
966699151,11cyclictest10400-21chrt19:16:523
966699144,6cyclictest128952sleep319:21:583
966699144,6cyclictest128952sleep319:21:583
966699131,7cyclictest0-21swapper/319:36:403
966699131,7cyclictest0-21swapper/319:36:403
966699122,5cyclictest321rcuc/319:26:533
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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