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2025-11-28 - 05:09
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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 Fri Nov 28, 2025 00:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
475899262236cyclictest7895-21load00:03:070
475899258199cyclictest1541-21sendmail23:36:220
475899255189cyclictest5705-21nfs4_client23:53:230
475899254206cyclictest17046-21munin-node0
475899254193cyclictest11199-1rm21:55:220
475899253228cyclictest30024-21cut23:18:050
475899252227cyclictest7447-21ssh00:01:520
475899252224cyclictest59-21jbd2/mmcblk0p2-00:34:420
475899251222cyclictest4484-21ssh21:25:580
475899250221cyclictest29584-21df23:16:500
475899249222cyclictest26976-21munin-node0
475899249221cyclictest2720-21lxpanel20:22:340
475899249221cyclictest25150-21ssh22:57:060
475899248224cyclictest6791-21sh21:36:160
475899248221cyclictest32295-21diskmemload21:40:380
475899247215cyclictest7279-21grep19:16:590
475899246222cyclictest16035-21ssh22:17:000
475899246221cyclictest4753-21cyclictest21:47:060
475899246219cyclictest28654-21awk20:48:450
475899246218cyclictest1920-21rpc.gssd19:41:050
475899246214cyclictest4891-21ssh23:50:180
475899246185cyclictest18709-21df20:06:530
475899245220cyclictest11922-21latency_hist00:21:500
475899245218cyclictest2357-21rs:main0
475899245217cyclictest4046-21df23:46:510
47589924444cyclictest16846-21ssh22:20:130
475899244219cyclictest11931-21ssh21:58:070
475899244216cyclictest617-21rm21:08:570
475899244216cyclictest26593-21ssh23:02:530
475899244215cyclictest14268-21latency_hist00:32:080
475899244214cyclictest18501-21latency_hist20:06:390
475899244182cyclictest31127-21netwatch23:23:040
47589924347cyclictest2135-21ssh21:16:240
475899243219cyclictest23104-21sshd22:47:380
475899243218cyclictest10211-21apt-get00:14:300
475899243215cyclictest9148-21ntpq00:08:310
475899243215cyclictest14138-21ssh22:07:580
475899243214cyclictest12984-21munin-node0
475899243213cyclictest28024-21diskmemload23:09:070
475899243212cyclictest2938-21runrttasks00:23:070
475899242214cyclictest3037-21cut23:42:080
475899242213cyclictest8730-21ntp_kernel_pll_19:22:340
47589924149cyclictest23516-21irqstats20:27:180
475899241215cyclictest478-21ssh23:31:360
475899241214cyclictest21180-21ssh22:38:400
475899241213cyclictest20389-21ssh22:36:100
475899240215cyclictest24878-21ntpq20:33:040
475899240208cyclictest2547-21Xorg19:32:410
4344224019sleep4346-21unixbench_singl19:02:210
47589923952cyclictest30184-21df20:56:440
475899239214cyclictest22755-21sh22:46:350
475899239212cyclictest32295-21diskmemload22:31:270
475899239211cyclictest20805-21sendmail20:16:200
47589923846cyclictest5079-21kernelversion21:28:070
475899238210cyclictest2720-21lxpanel21:17:480
475899238208cyclictest16665-21cat19:57:240
475899237214cyclictest31611-21grep21:02:200
47589923650cyclictest2720-21lxpanel20:58:280
475899236210cyclictest9499-21rm21:47:380
47589923547cyclictest9756-21munin-node0
475899235210cyclictest25699-21ntp_states22:58:490
47589923453cyclictest6760-21sshd19:13:340
47589923447cyclictest5970-21cat19:11:370
475899234208cyclictest14112-21df_inode19:46:510
475899234203cyclictest22112-21latency_hist20:21:390
475899233212cyclictest4753-21cyclictest20:41:400
47589923162cyclictest13914-21munin-run19:46:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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