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2026-05-10 - 22:16
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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
Characteristics of the 100 highest latencies:
System rack5slot1.osadl.org (updated Sun May 10, 2026 12:44:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1099539970,0EcMasterDemoSyn11002-21runintdemo5min11:27:301
1690439930,0EcMasterDemoSyn1691429tAtEmLog_010:36:485
1135839900,0EcMasterDemoSyn1136829tAtEmLog_007:44:245
1679939850,0EcMasterDemoSyn1681029tAtEmLog_009:00:275
323239830,0EcMasterDemoSyn324229tAtEmLog_008:35:055
1847939830,0EcMasterDemoSyn1848929tAtEmLog_007:59:365
2511039820,0EcMasterDemoSyn2512229tAtEmLog_011:17:225
113482300,0sleep50-21swapper/511:45:185
409499180,15tDemoTimingTask4486-21chrt07:30:055
3033529180,7tAtEmLog_030673-21chrt08:25:085
2905699180,15tDemoTimingTask4421-21chrt12:17:175
26597991810,6cyclictest14962-21tail12:05:143
2659599180,10cyclictest29415-21runrttasks12:13:221
2659599180,10cyclictest26085-21sh10:05:551
2659299180,10cyclictest9681-21sh11:44:560
2659299180,10cyclictest9681-21sh11:44:560
2659299180,10cyclictest4463-21sh09:19:080
2659299180,10cyclictest25084-21sh11:17:210
2659299180,10cyclictest20720-21ssh10:39:290
1758399180,15tDemoTimingTask25440-21chrt10:05:275
1566429180,0tAtEmLog_00-21swapper/511:52:505
1487829180,10tAtEmLog_017610-21chrt12:25:015
562299170,10tDemoTimingTask7995-21chrt08:45:015
352299170,10tDemoTimingTask3614-21taskset10:11:295
2659899175,9cyclictest716-21snmpd11:23:174
26598991713,3cyclictest699-21polkitd07:20:004
2659699174,9cyclictest755-21postgres08:06:552
26596991710,5cyclictest14947-21grep10:35:262
2659699170,10cyclictest780-21runrttasks12:07:292
2659599170,10cyclictest20956-21rm10:03:391
2659299170,9cyclictest5337-21sh12:17:570
2659299170,9cyclictest28175-21sh12:12:310
2659299170,9cyclictest15640-21sh09:42:330
2659299170,9cyclictest1418-21ssh10:28:370
2659299170,14cyclictest13375-21sh10:53:040
1758399170,15tDemoTimingTask19120-21chrt10:02:215
57529160,6tAtEmLog_08069-21taskset12:37:225
2905699160,11tDemoTimingTask302662sleep512:14:005
2659899165,8cyclictest4537-21smartctl08:35:234
2659899160,9cyclictest780-21runrttasks11:04:444
2659899160,9cyclictest2308-21/usr/sbin/munin11:05:174
2659899160,9cyclictest19078-21sh11:31:494
2659799168,6cyclictest5765-21grep08:40:133
26596991612,3cyclictest13818-21sendmail10:00:002
26596991612,3cyclictest13818-21sendmail10:00:002
2659699160,10cyclictest19351-21grep10:20:182
2659599169,6cyclictest2127-21tail09:35:151
2659599169,3cyclictest19067-21apt-key11:50:011
2659599166,6cyclictest4187-21cron07:30:001
2659599160,9cyclictest780-21runrttasks08:34:301
2659299165,8cyclictest728-21lldpd12:02:140
2659299165,6cyclictest9647-21fschecks_count10:15:140
2659299163,9cyclictest3963-21fschecks_time12:35:140
2659299163,9cyclictest30708-21sh10:45:010
2659299161,10cyclictest2628-21latency_hist08:35:000
2659299160,9cyclictest780-21runrttasks08:00:100
2659299160,11cyclictest6174-21sh10:30:380
2184739160,3EcMasterDemoSyn651irq_work/510:21:355
1168029160,9tAtEmLog_011693-21chrt08:50:195
2659899157,7cyclictest26588-21cyclictest07:15:314
26598991512,2cyclictest28989-21turbostat.cron09:15:004
2659799154,8cyclictest3556-21ps10:11:273
2659799154,8cyclictest11474-21latency_hist07:45:013
2659799151,10cyclictest6299-21/usr/sbin/munin09:20:133
2659799151,10cyclictest6062-21ssh09:37:153
2659799151,10cyclictest30935-21cpuspeed_turbos08:25:143
2659799151,10cyclictest16688-21/usr/sbin/munin10:55:143
2659699159,4cyclictest29387-21tail11:55:142
2659699154,8cyclictest11053-21sed11:45:162
2659699151,9cyclictest1480-21ssh11:04:492
2659699151,10cyclictest18789-21ssh11:31:372
2659699150,9cyclictest15127-21sh10:18:112
2659699150,11cyclictest29219-21/usr/sbin/munin07:15:112
2659699150,10cyclictest2688-21df11:05:132
2659699150,10cyclictest22718-21head10:40:152
2659699150,10cyclictest13622-21ssh11:29:192
2659699150,10cyclictest1030-21cat10:10:172
2659599151,10cyclictest6855-21perl09:20:151
2659599151,10cyclictest28699-21/usr/sbin/munin09:50:101
2659599151,10cyclictest12268-21runrttasks08:52:261
2659599150,9cyclictest5158-21runrttasks08:38:311
2659599150,11cyclictest8119-21sh11:08:071
2659599150,11cyclictest2464-21ssh12:15:541
2659299156,7cyclictest1-21systemd09:32:260
2659299155,4cyclictest16208-21latency_hist07:55:010
2659299155,4cyclictest16208-21latency_hist07:55:000
2659299154,8cyclictest326-21systemd-journal08:24:570
2659299153,9cyclictest1975-21sh11:58:030
2659299152,9cyclictest22500-21ssh11:34:130
2659299152,4cyclictest7543-21awk09:20:190
2659299151,9cyclictest26405-21sh10:06:090
2659299150,9cyclictest8172-21grep08:45:120
2659299150,13cyclictest174-1kworker/0:1H+kblockd07:10:300
2659299150,11cyclictest12817-21python311:10:200
2659299150,10cyclictest5681-21run-parts07:30:180
3185999140,8tDemoTimingTask28995-21sleep09:19:545
2659899147,6cyclictest26588-21cyclictest10:53:274
2659899146,6cyclictest648-21dbus-daemon07:25:014
2659899142,9cyclictest716-21snmpd12:08:254
2659899141,9cyclictest25669-21diskmemload09:48:154
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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