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2025-12-03 - 10:25
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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 all highest latencies:
System rack7slot3.osadl.org (updated Wed Dec 03, 2025 00:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
172502146526sleep17251-21kernelversion19:01:420
1808799259234cyclictest18376-21tune2fs19:06:530
180879925757cyclictest15853-21wc21:17:000
1808799256223cyclictest15857-21irqstats23:37:580
1808799255228cyclictest11043-21munin-node0
1808799254232cyclictest175262sleep21:23:270
1808799254227cyclictest13678-21ssh23:28:130
1808799254225cyclictest24603-21cat00:16:580
1808799254224cyclictest6549-21fschecks_count22:57:140
1808799253223cyclictest26221-21df_inode22:01:540
180879925167cyclictest2720-21lxpanel00:08:390
1808799251224cyclictest1867-21munin-node0
1808799250220cyclictest32426-21ssh22:28:200
1808799250218cyclictest12681-21munin-node0
1808799250217cyclictest10817-21munin-node0
1808799250216cyclictest8373-21ping20:43:100
1808799250191cyclictest6447-21cpu20:36:250
1808799249224cyclictest20771-21chrt21:37:350
1808799249224cyclictest16721-21sh23:42:020
1808799249221cyclictest9225-21ssh23:08:220
1808799249219cyclictest29542-21sendmail19:56:120
1808799249217cyclictest25072-21df_inode21:56:540
180879924869cyclictest16281-21missed_timers21:18:170
1808799248220cyclictest20035-21cat23:56:470
1808799248217cyclictest764-21cut22:32:200
180879924755cyclictest5212-21latency_hist22:51:390
1808799247221cyclictest25186-21rm00:18:530
1808799247219cyclictest27162-21ssh00:27:410
1808799247186cyclictest28469-21sed22:11:460
1808799246220cyclictest3576-21ssh22:43:410
1808799246220cyclictest26831-21ssh22:03:530
1808799246219cyclictest30985-21ssh22:22:300
1808799246219cyclictest23153-21ssh21:48:000
1808799246218cyclictest9947-21munin-node0
1808799246218cyclictest14370-21ssh21:10:250
1808799246201cyclictest5336-21df_inode22:52:030
180879924557cyclictest26469-21if_err_eth019:42:010
1808799245222cyclictest30449-21ssh22:20:230
1808799245219cyclictest22048-21tr19:22:230
1808799245219cyclictest21343-21ifplugd19:17:230
1808799245217cyclictest21854-21ssh21:42:200
1808799245183cyclictest28786-21ssh22:12:370
1808799244220cyclictest28346-21latency00:32:510
1808799244218cyclictest14916-21ntp_offset23:33:280
1808799244216cyclictest20377-21munin-node0
1808799244215cyclictest26244-21ssh00:23:200
1808799243185cyclictest18761-21rm23:51:170
180879924252cyclictest2720-21lxpanel20:31:150
1808799242218cyclictest18464-21ls21:27:440
1808799242215cyclictest6439-21munin-node0
1808799242215cyclictest25914-21ping19:38:340
1808799242211cyclictest10202-21ssh23:12:520
1808799242210cyclictest2469-21mailstats20:18:080
1808799241213cyclictest27462-21entropy19:46:450
1808799241209cyclictest3545-21ntp_offset20:22:260
1808799240217cyclictest30412-21grep19:58:200
1808799240215cyclictest13269-21latency_hist23:27:020
1808799240213cyclictest7804-21ssh23:02:350
1808799240212cyclictest20252-21grep23:57:200
1808799240212cyclictest11841-21threads20:58:160
1808799240210cyclictest22341-21grep00:06:550
1808799240176cyclictest23187-21nfs4_client19:27:230
1808799239214cyclictest19676-21memory19:12:160
1808799239175cyclictest24472-21processes19:32:590
180879923871cyclictest1467-21users20:13:350
1808799237174cyclictest31304-21runrttasks20:02:400
1808799236207cyclictest32042-21df_inode20:06:420
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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