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2026-03-29 - 14:15
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 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 rack7slot3.osadl.org (updated Sun Mar 29, 2026 00:44:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5897298920sleep5899-21latencyplot19:07:110
594299279249cyclictest16527-21ssh00:17:070
594299267237cyclictest19837-21if_err_eth020:07:500
594299259233cyclictest14536-21sh00:08:330
594299259230cyclictest28999-21sort20:48:020
594299259229cyclictest3623-21diskmemload23:25:150
594299257232cyclictest2726-21lxpanel22:50:190
594299257232cyclictest12173-21ntpdc23:59:150
594299257229cyclictest27434-21munin-node0
59429925692cyclictest2675-21munin-run23:22:080
59429925674cyclictest3208-21munin-run21:17:270
594299255230cyclictest27897-21netwatch22:53:320
594299255229cyclictest8582-21grep21:38:060
594299255226cyclictest596-21diskmemload21:21:180
59429925495cyclictest16784-21sendmail_mailqu22:09:320
594299254230cyclictest16871-21fschecks_time00:18:120
594299254227cyclictest20724-21ssh22:25:160
594299253227cyclictest6414-21ssh23:37:020
59429925295cyclictest18413-21cpu20:02:160
59429925290cyclictest30501-21sh23:03:370
594299252228cyclictest7799-21processes21:34:290
594299252227cyclictest11259-21if_err_eth021:48:250
594299252221cyclictest13354-21ssh00:03:500
59429925188cyclictest1347-21cpu23:17:200
594299251226cyclictest17940-21ntpq22:14:180
594299251223cyclictest24215-21chrt20:27:330
594299251221cyclictest8911-21ssh23:46:520
594299251218cyclictest10148-21memory21:43:540
59429925089cyclictest18853-21ls22:18:240
59429925071cyclictest22213-21rm22:31:550
594299250222cyclictest24142-21netwatch22:38:550
59429924979cyclictest10439-21df_inode23:52:540
594299249223cyclictest14829-21df_inode22:02:500
594299249222cyclictest15930-21cron22:07:030
594299249221cyclictest925-21ssh21:08:120
59429924891cyclictest22743-21irqstats22:33:370
59429924886cyclictest30728-21runrttasks20:56:210
59429924795cyclictest10470-21ls19:27:150
594299247222cyclictest8593-21irqstats19:18:000
594299247221cyclictest32315-21ssh23:10:150
594299247220cyclictest9875-21ssh23:50:020
594299247100cyclictest12982-21fschecks_count19:37:440
59429924696cyclictest25479-21awk22:44:050
59429924689cyclictest18637-21fschecks_time20:02:420
59429924685cyclictest21456-21ssh00:35:470
59429924682cyclictest16036-21chrt19:51:320
59429924679cyclictest5367-21cat23:32:550
594299246221cyclictest2726-21lxpanel23:02:180
594299245221cyclictest13272-21ssh21:56:310
594299245220cyclictest2726-21lxpanel21:26:440
594299245213cyclictest6301-21irqstats19:07:560
594299244218cyclictest6938-21ssh21:31:450
594299244212cyclictest22341-21munin-node0
59429924369cyclictest659-21cpu21:07:190
594299243219cyclictest7661-1kworker/0:1H00:27:300
594299243218cyclictest22906-21munin-node0
594299243215cyclictest7039-21memory23:38:580
594299242215cyclictest17246-21munin-node0
594299242212cyclictest8362-21cut19:17:330
59429924187cyclictest2726-21lxpanel19:30:030
59429924181cyclictest12388-21unixbench_singl19:33:420
59429924093cyclictest26618-21perl20:37:510
59429924081cyclictest14382-21ntp_kernel_pll_19:43:160
594299240213cyclictest25437-21grep20:32:440
594299240212cyclictest19343-21ssh00:27:590
594299239207cyclictest20627-21munin-node0
594299237209cyclictest31473-21munin-node0
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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