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2026-09-16 - 23:01
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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 Wed Sep 16, 2026 00:44:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
224422870,0sleep50-21swapper/500:01:105
170832200,0sleep10-21swapper/123:02:541
2124999190,15cyclictest28500-21sh00:23:480
2124999190,10cyclictest774-21runrttasks22:11:460
2124999180,15cyclictest4046-21sh21:23:270
2124999180,10cyclictest29758-21sh23:47:030
2124999180,10cyclictest15188-21sh23:39:120
2126799179,6cyclictest15072-21grep00:15:254
2124999179,6cyclictest12829-21tr22:05:140
2124999170,9cyclictest774-21runrttasks20:43:090
2124999170,9cyclictest7560-21sh22:57:360
2124999170,9cyclictest7560-21sh22:57:360
2124999170,9cyclictest22950-21sh21:52:240
2124999170,9cyclictest21449-21sh23:24:090
2124999170,9cyclictest13817-21sh23:56:210
2124999170,9cyclictest13541-21sh21:46:580
2124999170,9cyclictest12044-21sh21:27:520
2124999170,7cyclictest103-1kworker/0:1H+kblockd00:09:050
2124999170,14cyclictest856-21sh21:58:340
2124999170,14cyclictest774-21runrttasks19:14:320
2124999170,14cyclictest23194-21sh23:43:390
2124999170,14cyclictest1841-21sh22:54:480
2126399168,6cyclictest7029-21grep21:25:153
21263991613,2cyclictest30754-21aten2_r5power_p00:25:123
21263991611,4cyclictest25557-21strings21:35:213
2125899168,5cyclictest21245-21cyclictest23:47:522
2125499164,9cyclictest711-21snmpd23:30:371
21254991611,4cyclictest16310-21turbostat23:40:001
2124999166,8cyclictest20914-21sh00:37:510
2124999160,9cyclictest774-21runrttasks20:33:110
2124999160,9cyclictest774-21runrttasks19:38:470
2124999160,8cyclictest15219-21runrttasks22:43:430
2126799153,8cyclictest21090-21wget22:10:124
2126399159,4cyclictest1173-21grep22:35:163
2126399153,9cyclictest28621-21sh23:09:583
2125899155,6cyclictest24669-21cpuspeed_turbos21:35:162
2125899153,9cyclictest751-21postgres00:21:552
2125899151,10cyclictest20129-21/usr/sbin/munin00:00:162
2125899150,12cyclictest27924-1kworker/u24:1+flush-9:019:29:362
2125499153,8cyclictest28371-21latency_hist20:35:011
21254991511,3cyclictest24490-21grep21:35:151
2125499151,10cyclictest24002-21ssh22:11:101
2125499151,10cyclictest22861-21ssh21:52:211
2124999156,7cyclictest21348-21sh23:05:160
2124999153,9cyclictest16563-21latency_hist20:10:000
2124999152,9cyclictest4850-21sh22:19:290
2124999152,9cyclictest29765-21switchtime19:25:250
2124999151,10cyclictest5652-21ssh00:10:170
2124999151,10cyclictest31611-21ssh23:10:440
2124999150,9cyclictest17414-21awk21:30:250
2124999150,8cyclictest6088-21sh23:52:050
2124999150,13cyclictest29744-21ssh21:19:580
2124999150,13cyclictest14403-21tr00:15:190
2124999150,11cyclictest5638-21grep23:15:130
2126799143,8cyclictest728-21lldpd23:01:254
2126799143,8cyclictest32299-21vmstat21:20:254
2126799142,8cyclictest615-21atemtest19:35:104
2126799142,8cyclictest27742-21unixbench_singl19:20:244
2126799142,8cyclictest16171-21open_inodes22:25:174
2126799141,9cyclictest8621-21ssh22:40:034
2126799141,9cyclictest3642-21sh23:32:074
2126799141,9cyclictest30127-21latency_hist00:25:004
2126799141,9cyclictest26893-21sh21:55:044
2126799141,9cyclictest15979-21sed20:05:244
2126799141,9cyclictest11841-21latency_hist22:05:004
2126799141,10cyclictest28673-21ssh23:10:004
21267991410,3cyclictest21172-21cron20:19:594
2126799140,10cyclictest9887-21/usr/sbin/munin19:55:204
2126799140,10cyclictest8412-21grep21:00:194
2126799140,10cyclictest8412-21grep21:00:194
2126799140,10cyclictest774-21runrttasks22:22:504
2126799140,10cyclictest7026-21/usr/sbin/munin00:30:154
2126799140,10cyclictest6426-21ssh21:43:114
2126799140,10cyclictest30559-21ssh22:34:004
2126799140,10cyclictest30406-21sh23:47:334
2126799140,10cyclictest29566-21grep23:10:134
2126799140,10cyclictest27944-21latency_hist00:05:004
2126799140,10cyclictest21877-21entropy20:20:164
2126799140,10cyclictest10212-21ssh23:35:324
2126399147,6cyclictest9667-21kworker/u24:0+nfsiod22:12:303
2126399145,7cyclictest10539-21/usr/sbin/munin21:05:133
2126399143,8cyclictest11006-21wc19:55:223
2126399141,9cyclictest5150-21latency_hist23:15:003
2126399141,9cyclictest28630-21sh23:46:153
2126399141,9cyclictest2744-21/usr/sbin/munin22:55:193
2126399141,9cyclictest2744-21/usr/sbin/munin22:55:183
2126399141,9cyclictest21515-21/usr/sbin/munin19:10:183
2126399141,9cyclictest11780-21sh00:14:223
2126399141,10cyclictest21960-21df21:15:133
21263991410,3cyclictest7563-21sendmail21:00:003
2126399140,10cyclictest8153-21/usr/sbin/munin23:35:263
2126399140,10cyclictest774-21runrttasks23:28:583
2126399140,10cyclictest774-21runrttasks23:21:593
2126399140,10cyclictest774-21runrttasks22:47:213
2126399140,10cyclictest774-21runrttasks22:34:513
2126399140,10cyclictest7585-21/usr/sbin/munin19:50:183
2126399140,10cyclictest6990-21sh00:30:113
2126399140,10cyclictest6982-21ssh23:52:433
2126399140,10cyclictest6926-21ssh22:01:343
2126399140,10cyclictest5584-21/usr/sbin/munin23:15:153
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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