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2025-12-19 - 19:08
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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 50 highest latencies:
System rack7slot3.osadl.org (updated Fri Dec 19, 2025 12:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
289162135622sleep28915-21cut07:05:320
2943499271122cyclictest2834-21snmpd12:23:530
2943499269222cyclictest245972sleep09:11:110
2943499263232cyclictest8488-21sh12:26:480
2943499263231cyclictest3667-21fgrep09:57:200
2943499261107cyclictest15793-21grep10:46:040
2943499259233cyclictest8126-21ssh10:15:420
294349925889cyclictest7011-21runrttasks07:51:400
2943499258232cyclictest31586-21cpu11:50:070
2943499256229cyclictest11603-21munin-run10:30:000
2943499256224cyclictest7068-21runrttasks10:11:160
294349925489cyclictest29527-21kernelversion09:31:360
2943499254229cyclictest2800-21/usr/sbin/munin09:55:180
2943499254228cyclictest19816-21latency11:01:390
2943499254117cyclictest24196-1kworker/0:2H11:50:520
294349925391cyclictest10910-21fschecks_count08:10:280
2943499251122cyclictest24464-21sh09:10:470
2943499251102cyclictest738-21ssh11:56:190
294349925094cyclictest1244-21runrttasks07:26:500
294349925080cyclictest2629-21sh12:03:260
2943499250125cyclictest11696-21sendmail12:39:530
2943499250122cyclictest29184-21df11:40:150
2943499250119cyclictest2726-21lxpanel09:22:590
2943499250114cyclictest5134-21ssh12:12:530
294349924992cyclictest12872-21sh10:34:520
294349924987cyclictest30015-21sshd11:43:040
294349924898cyclictest19063-21ssh10:58:500
2943499248117cyclictest29793-21irqstats07:10:420
2943499248111cyclictest32404-21sh09:43:100
2943499248109cyclictest21821-21ssh11:10:110
294349924748cyclictest10022-21ping10:22:510
2943499247220cyclictest4416-21modprobe07:41:070
2943499247117cyclictest9743-21munin-node0
2943499247111cyclictest24224-21diskmemload09:16:530
294349924676cyclictest6039-21memory12:16:440
2943499246118cyclictest23035-21ssh11:15:080
2943499246102cyclictest28993-21munin-run09:30:030
2943499246100cyclictest46502sleep10:01:350
294349924587cyclictest31344-21runrttasks09:39:190
294349924557cyclictest24486-21cut11:21:050
2943499245103cyclictest14332-21cut08:25:290
2943499244104cyclictest10848-21ifplugd08:35:390
2943499244101cyclictest31771-21df07:20:080
2943499243108cyclictest15087-21rm10:42:500
294349924295cyclictest433-21df_inode09:45:450
2943499242119cyclictest18840-21fschecks_count08:45:270
2943499242106cyclictest3161-21entropy12:05:470
2943499242101cyclictest5819-21ssh10:06:200
2943499241111cyclictest18072-21ssh10:55:230
294349924075cyclictest25722-21cut11:26:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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