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2025-12-04 - 02:24
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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 Wed Dec 03, 2025 12:44:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23351297421sleep23352-21cat07:02:060
2384499259232cyclictest29482-1kworker/0:1H11:41:180
2384499254207cyclictest17242-21munin-node0
2384499251200cyclictest3684-21df_inode10:21:530
2384499249222cyclictest25127-21ssh09:32:320
2384499248224cyclictest18115-21latency_hist09:01:370
2384499248221cyclictest32717-21latency_hist12:31:540
2384499248219cyclictest22639-21munin-run11:46:130
2384499246220cyclictest26905-21mailstats07:18:100
2384499246218cyclictest17042-21munin-node11:21:200
2384499246217cyclictest11278-21ssh10:55:230
2384499245220cyclictest6579-21ssh10:34:080
2384499245219cyclictest26831-21ssh09:40:410
2384499245212cyclictest14904-21df11:11:410
2384499245185cyclictest6415-21latency_hist08:11:320
2384499245175cyclictest25079-21ssh11:57:000
2384499244220cyclictest2939-21netwatch11:27:570
2384499244218cyclictest31514-21mailstats07:38:110
2384499244216cyclictest12694-21ssh11:01:440
2384499243220cyclictest2720-21lxpanel12:35:530
2384499243219cyclictest8244-21latency_hist10:41:550
2384499243218cyclictest2720-21lxpanel07:46:580
2384499243216cyclictest30506-21latency_hist09:56:580
2384499242216cyclictest1782-21missed_timers10:13:030
2384499242210cyclictest29787-21cat12:17:320
2384499242179cyclictest21367-21munin-run09:16:140
2384499241216cyclictest24640-21ssh09:30:340
2384499241216cyclictest21579-21sshd07:46:320
2384499239215cyclictest16147-21tr08:52:210
2384499239214cyclictest27965-21chrt09:45:480
2384499239210cyclictest24888-21munin-node0
2384499238214cyclictest5840-21ssh10:31:310
2384499238211cyclictest4816-21df_inode10:26:500
2384499238206cyclictest15505-21ntp_states11:13:360
2384499238206cyclictest13336-21runrttasks08:41:110
2384499237214cyclictest53-21mmcqd/009:17:180
2384499237211cyclictest28809-21ssh12:12:500
2384499237210cyclictest31588-21latency_hist12:26:410
2384499237206cyclictest31995-21ntp_kernel_err10:02:470
2384499236211cyclictest23297-21ssh09:24:010
2384499236211cyclictest19628-21netwatch11:32:150
2384499236209cyclictest2872-21snmpd08:49:570
2384499236175cyclictest11910-21grep08:33:160
2384499235211cyclictest27857-21sh12:08:330
2384499235208cyclictest29635-21date07:31:250
2384499235206cyclictest2720-21lxpanel07:12:230
2384499234209cyclictest12897-21tune2fs11:02:120
2384499234208cyclictest8747-21ntp_states10:43:210
2384499234207cyclictest3951-21runrttasks07:58:480
2384499234206cyclictest9392-21df_inode10:47:000
2384499234172cyclictest11157-21df08:31:350
2384499233209cyclictest28936-21rm09:49:530
2384499233207cyclictest7031-21ntp_states08:12:470
2384499233171cyclictest19537-21ssh09:07:400
2384499233169cyclictest30624-21netwatch07:35:110
2384499233169cyclictest23352-21rm11:48:230
2384499233168cyclictest28444-21munin-node07:26:220
2384499232208cyclictest4736-21ntpq08:02:410
2384499232208cyclictest13621-21fschecks_time08:41:510
2384499232205cyclictest31077-21rm09:58:590
2384499232204cyclictest17268-21memory08:57:190
2384499231204cyclictest26744-21ntp_states12:03:490
2384499230204cyclictest8180-21ntp_states08:17:330
2384499230203cyclictest2961-21sh07:56:110
2384499229163cyclictest501-21ssh10:07:340
2384499228166cyclictest24087-21fschecks_time07:06:470
2384499225199cyclictest9352-21ntp_states08:22:430
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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