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2026-04-22 - 14:11
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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 792 highest latencies:
System rack4slot1.osadl.org (updated Wed Apr 22, 2026 08:06:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2108521540,2sleep10-21swapper/107:12:281
2615221090,2chrt0-21swapper/307:27:173
2615221090,2chrt0-21swapper/307:27:173
40182850,2sleep24019-21grep07:52:252
202842600,4sleep20-21swapper/207:12:172
213882420,2sleep019864-21ls07:12:400
21433994021,9cyclictest2059-21find07:47:270
2143599381,2cyclictest0-21swapper/207:42:262
2143599381,2cyclictest0-21swapper/207:42:262
2143599381,2cyclictest0-21swapper/207:42:262
69062340,2sleep00-21swapper/008:02:120
69062340,2sleep00-21swapper/008:02:120
21435992617,7cyclictest27-21ksoftirqd/207:32:262
21435992617,7cyclictest27-21ksoftirqd/207:32:262
2143499261,21cyclictest32687-21grep07:42:271
2143499261,21cyclictest32687-21grep07:42:271
2143499261,21cyclictest32687-21grep07:42:271
2143399255,4cyclictest731kswapd008:02:260
2143399255,4cyclictest731kswapd008:02:260
18392240,3sleep30-21swapper/307:47:233
2143599232,6cyclictest131rcu_preempt07:37:262
2143599232,6cyclictest131rcu_preempt07:37:262
2143599232,6cyclictest131rcu_preempt07:37:262
2143499232,19cyclictest22650-21needreboot07:17:191
2143499232,19cyclictest22650-21needreboot07:17:191
2143499231,20cyclictest7245-21tr08:02:171
2143499231,20cyclictest7245-21tr08:02:171
2143399222,17cyclictest4207-21sed07:52:260
2143599211,18cyclictest25847-21find07:27:152
2143599211,18cyclictest25847-21find07:27:152
21434992112,7cyclictest29826-21df_inode07:37:141
21434992112,7cyclictest29826-21df_inode07:37:141
21434992112,7cyclictest29826-21df_inode07:37:141
2143499211,12cyclictest18362ps07:47:231
2143399217,7cyclictest12-21ksoftirqd/007:37:250
2143399217,7cyclictest12-21ksoftirqd/007:37:250
2143399217,7cyclictest12-21ksoftirqd/007:37:250
21433992110,9cyclictest22341-21fschecks_time07:17:150
21433992110,9cyclictest22341-21fschecks_time07:17:150
209262214,11sleep30-21swapper/307:12:263
2143599202,2cyclictest131rcu_preempt08:02:272
2143599202,2cyclictest131rcu_preempt08:02:272
2143599200,3cyclictest131rcu_preempt07:17:242
2143599200,3cyclictest131rcu_preempt07:17:242
2143499201,3cyclictest57652/usr/sbin/munin07:57:241
2143499201,3cyclictest57652/usr/sbin/munin07:57:241
2143699195,12cyclictest0-21swapper/307:37:253
2143699195,12cyclictest0-21swapper/307:37:253
2143699195,12cyclictest0-21swapper/307:37:253
2143699191,13cyclictest0-21swapper/307:17:263
2143699191,13cyclictest0-21swapper/307:17:263
2143699191,12cyclictest0-21swapper/308:02:173
2143699191,12cyclictest0-21swapper/308:02:173
2143499192,15cyclictest28051-21fschecks_time07:32:161
2143499192,15cyclictest28051-21fschecks_time07:32:161
2143499191,16cyclictest25997-21fschecks_count07:27:161
2143499191,16cyclictest25997-21fschecks_count07:27:161
2143399193,14cyclictest26136-21fschecks_time07:27:170
2143399193,14cyclictest26136-21fschecks_time07:27:170
2143699181,14cyclictest0-21swapper/307:22:153
2143699181,14cyclictest0-21swapper/307:22:153
2143699181,14cyclictest0-21swapper/307:22:153
2143599185,2cyclictest131rcu_preempt07:47:262
21435991811,5cyclictest27-21ksoftirqd/207:22:152
21435991811,5cyclictest27-21ksoftirqd/207:22:152
21435991811,5cyclictest27-21ksoftirqd/207:22:152
2143499181,15cyclictest4940-21latency_hist07:57:111
2143499181,15cyclictest24226-21fschecks_time07:22:171
2143499181,15cyclictest24226-21fschecks_time07:22:171
2143499181,15cyclictest24226-21fschecks_time07:22:171
2143399183,13cyclictest28571-21find07:32:240
2143399183,13cyclictest28571-21find07:32:240
2143399181,3cyclictest0-21swapper/007:22:260
2143399181,3cyclictest0-21swapper/007:22:260
2143399181,3cyclictest0-21swapper/007:22:260
21433991810,6cyclictest31754-21/usr/sbin/munin07:42:140
21433991810,6cyclictest31754-21/usr/sbin/munin07:42:140
21433991810,6cyclictest31754-21/usr/sbin/munin07:42:140
319922170,4sleep30-21swapper/307:42:163
319922170,4sleep30-21swapper/307:42:163
319922170,4sleep30-21swapper/307:42:163
2143599174,10cyclictest5233-21fschecks_time07:57:162
2143599174,10cyclictest5233-21fschecks_time07:57:162
2143699161,8cyclictest0-21swapper/307:37:103
2143699161,8cyclictest0-21swapper/307:37:103
2143699141,10cyclictest3150-21taskset07:52:143
2143699133,8cyclictest0-21swapper/307:57:153
2143699133,8cyclictest0-21swapper/307:57:153
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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