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2025-11-19 - 03:56
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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 Nov 19, 2025 00:44:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
304852219218sleep30488-21ntp_kernel_pll_19:02:120
3120599265240cyclictest967-21ntp_states23:59:060
3120599265233cyclictest24598-21ssh23:20:460
3120599261235cyclictest8482-21sh22:09:020
3120599257232cyclictest5622-21runrttasks21:57:100
3120599257230cyclictest9940-21chrt22:16:210
3120599257228cyclictest26411-21latency_hist21:07:070
312059925664cyclictest20306-21df23:02:020
3120599256229cyclictest143882chrt20:13:140
3120599256226cyclictest9262-21ssh00:36:010
3120599255227cyclictest28318-21ssh23:37:130
3120599254227cyclictest432-21ssh23:57:210
312059925377cyclictest26056-21ssh23:27:150
312059925276cyclictest21887-21egrep20:46:490
3120599252218cyclictest1157-21df19:16:570
3120599250222cyclictest7231-21ssh00:27:040
3120599250222cyclictest26607-21ssh23:28:550
3120599250185cyclictest2872-21snmpd19:36:320
3120599249225cyclictest12667-21perl22:27:560
3120599249222cyclictest3221-21munin-node0
3120599249222cyclictest31200-21cyclictest23:37:360
3120599249216cyclictest10620-21ssh22:18:410
3120599248222cyclictest2720-21lxpanel21:19:330
3120599248221cyclictest18832-21ssh22:55:070
3120599248220cyclictest23361-21munin-node0
3120599248218cyclictest12692-21munin-node0
3120599248214cyclictest2354-21munin-node0
312059924775cyclictest13718-21fschecks_count22:32:380
3120599247223cyclictest28129-21ssh21:13:190
3120599247222cyclictest20730-21latency_hist20:41:470
3120599247220cyclictest11389-21rm22:22:350
3120599247216cyclictest14900-21fschecks_time22:37:460
3120599247215cyclictest15526-21ntp_states20:18:120
3120599247180cyclictest27660-21cpu21:11:520
312059924670cyclictest31577-21ssh23:51:490
3120599246213cyclictest2371-21df_inode19:22:070
3120599246189cyclictest31018-21ssh21:26:520
3120599246188cyclictest22093-21ssh23:09:060
3120599245218cyclictest16390-21ssh22:43:520
3120599245215cyclictest22830-21rm23:12:420
312059924471cyclictest1310-21chrt21:38:120
312059924470cyclictest17928-21munin-run22:51:370
312059924452cyclictest5511-21grep00:18:380
3120599244220cyclictest20890-21ntpdc23:03:420
3120599244218cyclictest3914-21ssh00:12:110
3120599244217cyclictest31548-21latency21:28:190
3120599244212cyclictest7004-21ssh22:02:490
3120599244210cyclictest8075-21munin-node0
3120599244184cyclictest4951-21ssh00:16:550
312059924346cyclictest11476-21latency_hist20:01:540
3120599243219cyclictest29662-21cut23:42:460
3120599243219cyclictest2720-21lxpanel20:47:250
3120599243216cyclictest24697-21ntpq20:57:550
3120599242216cyclictest914-21ssh21:37:070
3120599242216cyclictest17952-21sendmail_mailqu20:28:310
3120599242215cyclictest7797-21grep19:43:500
3120599242215cyclictest6555-21ssh22:01:200
3120599242176cyclictest1966-21sh00:03:240
312059924172cyclictest12692-21munin-node0
3120599241184cyclictest8232-21munin-run00:31:430
312059923972cyclictest10007-21grep19:53:440
312059923949cyclictest16698-21ntp_states20:23:230
3120599239211cyclictest2720-21lxpanel19:30:400
3120599238212cyclictest6173-21kernelversion19:37:390
3120599237213cyclictest1982-21sshd19:19:060
312059923669cyclictest18592-21cut20:32:100
312059923651cyclictest31749-21ntp_states19:07:550
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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