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2025-12-10 - 03:21
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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 rack9slot4.osadl.org (updated Wed Dec 10, 2025 00:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
116689913043cyclictest304-21snmpd20:11:440
11442112080sleep0-21swapper/117:59:251
116689911937cyclictest19432-21latency_hist18:24:340
116689911740cyclictest4121-21latency_hist19:19:350
116689911440cyclictest22990-21latency_hist21:04:390
116689911349cyclictest10755-21diskstats19:39:560
116689911342cyclictest6567-21ntpq21:30:190
116689911340cyclictest11616-21latency_hist17:59:330
116689911338cyclictest31884-21latency_hist21:19:390
116689911236cyclictest30418-21latency_hist18:59:350
116689911236cyclictest2591-21latency_hist19:14:350
116689911144cyclictest29233-21ssh22:09:400
116689911134cyclictest17350-21latency_hist21:49:400
116689911035cyclictest32552-21latency_hist23:09:420
116689911028cyclictest7316-21latency_hist19:29:360
116689911028cyclictest7316-21latency_hist19:29:360
116689910939cyclictest5402-21latency_hist21:29:400
116689910738cyclictest11929-21sh23:29:270
116689910735cyclictest5730-21latency_hist22:24:410
116689910734cyclictest14225-21if_eth019:50:010
116689910640cyclictest17726-21ssh22:44:420
116689910637cyclictest21424-21sh20:06:220
116689910633cyclictest22568-21latency_hist18:34:340
116689910337cyclictest16617-21latency_hist19:59:360
116689910336cyclictest23273-21latency_hist21:59:400
116689910336cyclictest13476-21latency_hist19:49:370
116689910233cyclictest30534-21/usr/sbin/munin22:10:210
116689910047cyclictest27982-21ssh21:12:030
116689910029cyclictest20634-21latency_hist22:49:420
11668999840cyclictest19818-21sh20:59:150
11668999739cyclictest1602-21ssh22:16:250
11668999737cyclictest12984-21ssh20:46:480
11668999731cyclictest7193-21sh20:37:180
11668999731cyclictest24606-21tune2fs18:39:540
11668999731cyclictest24606-21tune2fs18:39:540
11668999643cyclictest4894-21ssh20:34:150
11668999636cyclictest27540-21sh20:16:470
11668999630cyclictest74-21mmcqd/020:54:390
1166899957cyclictest0-21swapper/021:40:220
11668999543cyclictest8615-21ssh22:29:260
11668999434cyclictest17872-21latency_hist18:19:330
11668999345cyclictest9833-21ssh20:41:220
11668999340cyclictest14876-21/usr/sbin/munin18:10:090
11668999333cyclictest20336-21sh22:48:510
11668999211cyclictest0-21swapper/022:00:100
11668999133cyclictest16594-21diskmemload21:37:240
11668999126cyclictest7289-21latency_hist19:29:360
1167999908cyclictest0-21swapper/122:00:061
11668999047cyclictest28891-21ssh20:19:520
11668999011cyclictest0-21swapper/019:34:560
11668998943cyclictest13326-21ssh22:35:510
11668998941cyclictest9854-21ntp_states22:30:170
11668998911cyclictest0-21swapper/018:49:540
11668998843cyclictest6235-21ssh23:19:530
11668998843cyclictest32096-21telnet21:19:520
11668998831cyclictest541-21/usr/sbin/munin20:25:210
11668998747cyclictest996-21ssh23:10:100
11668998744cyclictest24097-21df22:55:020
11668998734cyclictest74-21mmcqd/018:49:340
11668998647cyclictest25083-21ssh21:07:170
11668998639cyclictest326-21runrttasks18:36:490
11668998638cyclictest3263-21/usr/sbin/munin23:15:220
11668998627cyclictest20990-21latency_hist18:29:340
11668998614cyclictest0-21swapper/022:59:530
11668998546cyclictest13362-21/usr/sbin/munin18:04:470
11668998539cyclictest17118-21forks19:59:580
11668998446cyclictest12622-21ntp_states18:00:050
11668998444cyclictest714-21users19:05:170
11679998333cyclictest11245-21sshd21:39:191
11668998346cyclictest30058-21sshd18:55:150
11668998345cyclictest4236-21/usr/sbin/munin19:20:140
11668998340cyclictest17396-21ssh21:49:400
11679998234cyclictest3257-21ssh20:30:141
1167999819cyclictest27508-21processes22:05:191
1167999804cyclictest326-21runrttasks22:40:041
1167999804cyclictest20437-21/usr/sbin/munin20:59:561
1167999804cyclictest17260-21/usr/sbin/munin18:15:021
11679998029cyclictest5334-21grep19:20:111
11679998020cyclictest25029-21awk22:55:281
1167999799cyclictest0-21swapper/118:44:351
1167999793cyclictest6230-21/usr/sbin/munin22:25:021
1167999793cyclictest2968-21/usr/sbin/munin22:19:531
11679997928cyclictest11558-21grep19:40:151
11679997910cyclictest19989-21cat20:59:391
1167999784cyclictest19044-21unixbench_multi22:45:261
1167999779cyclictest0-21swapper/118:54:481
1167999776cyclictest0-21swapper/120:44:451
1167999775cyclictest26687-21/usr/sbin/munin21:10:031
1167999774cyclictest480-21systemd-journal19:33:151
1167999774cyclictest480-21systemd-journal19:33:151
1167999774cyclictest32730-21/usr/sbin/munin22:15:011
1167999774cyclictest30543-21latency23:05:101
1167999773cyclictest6306-21swap20:35:161
11679997729cyclictest480-21systemd-journal21:28:191
11679997711cyclictest0-21swapper/119:54:571
1167999765cyclictest31853-21runrttasks19:03:571
1167999764cyclictest9519-21df_inode23:25:011
1167999764cyclictest594-21ssh23:10:021
1167999764cyclictest32453-21fschecks_time19:05:001
1167999764cyclictest30699-21ssh22:10:231
1167999764cyclictest27491-21if_eth123:00:101
1167999764cyclictest22928-21/usr/sbin/munin20:09:501
1167999764cyclictest13442-21chrt18:04:481
1167999763cyclictest8486-21chrt20:39:561
1167999763cyclictest7540-21vmstat23:20:261
1167999763cyclictest4236-21ntp_states23:15:211
1167999763cyclictest21884-21/usr/sbin/munin18:30:011
1167999763cyclictest1929-21/usr/sbin/munin19:10:041
1167999763cyclictest14560-21/usr/sbin/munin19:50:141
1167999755cyclictest18827-21ntpq18:20:031
1167999754cyclictest304-21snmpd22:34:581
1167999754cyclictest29163-21basename21:14:531
1167999754cyclictest21489-21/usr/sbin/munin21:55:171
1167999754cyclictest15058-21needreboot20:50:101
11679997532cyclictest9965-21grep19:35:131
1167999753cyclictest32386-21diskstats21:20:001
11679997521cyclictest0-21swapper/122:54:421
1167999749cyclictest0-21swapper/121:42:371
1167999749cyclictest0-21swapper/121:29:561
1167999745cyclictest9063-21/usr/sbin/munin22:29:551
1167999744cyclictest29446-21/usr/sbin/munin20:20:051
1167999744cyclictest18256-21ssh21:50:091
1167999744cyclictest17591-21latency20:00:071
1167999744cyclictest16008-21grep18:10:101
1167999743cyclictest7211-21sshd19:29:161
1167999743cyclictest26763-21proc_pri20:15:171
1167999743cyclictest24414-21/usr/sbin/munin18:39:481
1167999743cyclictest24414-21/usr/sbin/munin18:39:481
1167999743cyclictest13129-21/usr/sbin/munin19:45:171
1167999743cyclictest12598-21ntp_kernel_pll_18:00:021
11679997411cyclictest14972-21fschecks_count21:45:031
1167999738cyclictest0-21swapper/118:24:481
1167999734cyclictest23422-21ssh21:04:561
1167999733cyclictest32271-21fschecks_time20:25:021
1167999733cyclictest28149-21/usr/sbin/munin18:50:051
1167999733cyclictest23334-21/usr/sbin/munin18:35:001
1167999733cyclictest20348-21runrttasks20:05:021
1167999723cyclictest2980-21/usr/sbin/munin19:14:561
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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