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2025-08-22 - 00:09
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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 50 highest latencies:
System rack2slot7.osadl.org (updated Thu Aug 21, 2025 12:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
131205699773,46cyclictest1312017-21munin-run07:14:370
131205699514,31cyclictest0-21swapper/011:32:180
1312056994623,12cyclictest1481272-21grep11:57:230
131205699453,26cyclictest1453108-21ssh11:26:190
131205699435,12cyclictest1504873-21ssh12:22:150
131205699375,6cyclictest11050irq/107-eth%d10:47:500
131205799363,12cyclictest1451674-21sendmail-msp11:24:421
1312056993626,7cyclictest1434291-21ssh11:02:190
1312057993529,4cyclictest1006-21mta-sts-daemon10:42:181
131205699351,24cyclictest0-21swapper/010:29:410
131205699340,25cyclictest1449160-21aten_r2power_cu11:22:110
1312056993330,2cyclictest0-21swapper/011:12:170
131205699322,5cyclictest1353947-21/usr/sbin/munin09:17:120
131205799311,19cyclictest0-21swapper/110:52:201
1312056993128,3cyclictest0-21swapper/012:37:190
1312056993028,1cyclictest0-21swapper/012:39:490
1312056993022,5cyclictest1335704-21fschecks_time08:27:160
1312056992914,3cyclictest0-21swapper/012:07:080
131205699290,29cyclictest0-21swapper/011:37:180
131205899287,15cyclictest1006-21mta-sts-daemon12:12:182
1312057992812,11cyclictest1396508-21ld10:12:191
1312056992817,2cyclictest1313008-21/usr/sbin/munin07:17:180
1312056992814,4cyclictest0-21swapper/010:42:220
1312058992715,9cyclictest1325197-21kworker/u8:1+events_unbound07:57:182
1312056992724,3cyclictest0-21swapper/008:42:190
131205699270,26cyclictest1468768-21sendmail-msp11:46:210
131205799266,12cyclictest619-21mta-sts-daemon10:29:411
1312057992620,4cyclictest1325752-21fschecks_count07:57:131
131205699260,14cyclictest1358063-21grep09:22:140
112699260,3rtkit-daemon1125-21rtkit-daemon12:21:571
1312056992522,2cyclictest1330162-21idleruntime-cro08:09:370
131205699252,13cyclictest1445614-21grep11:17:140
1312056992516,2cyclictest0-21swapper/012:02:200
131205699251,19cyclictest1495134-21if_end012:12:130
1312057992416,6cyclictest1317512-21fschecks_count07:32:171
131205699244,9cyclictest1320831-21fschecks_count07:42:150
131205699242,13cyclictest1409702-21sed10:29:380
1312056992417,1cyclictest1314834-21ntpq07:22:190
131205699241,22cyclictest1429849-21df_inode10:57:140
131205699241,14cyclictest0-21swapper/010:17:130
131205899232,8cyclictest1490492-21rm12:07:142
131205899223,3cyclictest1312055-21cyclictest07:14:372
131205899222,5cyclictest171rcu_preempt10:52:192
1312058992214,7cyclictest0-21swapper/212:04:382
131205799224,12cyclictest1524905-21/usr/sbin/munin12:42:141
131205799220,4cyclictest1407810-21ntp_states10:27:181
131205699222,6cyclictest1362468-21ssh09:27:180
131205699221,11cyclictest1499736-21aten_r2power_vo12:17:120
1312058992112,5cyclictest0-21swapper/212:17:232
131205799218,12cyclictest1400284-21ssh10:17:181
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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