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2025-11-08 - 09:26
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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: reduced 
Duration: 5 hours, 33 minutes
Characteristics of the highest latencies:
System rack8slot1.osadl.org (updated Sat Nov 08, 2025 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
270129926354,0cyclictest14039-21apache19:47:550
270129925168,0cyclictest7750-21latency22:22:520
270129925168,0cyclictest5649-21munin-node23:52:170
270129924865,0cyclictest13477-21latency_hist21:06:050
270129924668,0cyclictest14655-21grep21:08:100
270129924667,0cyclictest14813-21aten2.4_r8power19:37:190
270129924469,0cyclictest28580-21df_inode20:16:430
270129924280,0cyclictest17188-21chrt19:43:240
270129924269,0cyclictest30700-21aten2.4-expect20:22:180
270129924168,0cyclictest20980-21aten2.4-expect23:01:130
270129923964,0cyclictest20795-21runrttasks23:00:510
270129923863,0cyclictest25849-21runrttasks23:13:320
270129923664,0cyclictest3986-21sed22:11:520
270129923477,0cyclictest3549-21grep20:37:110
270129923466,0cyclictest13329-21interrupts19:32:520
270129923455,0cyclictest29464-21aten2.4_r8power21:51:130
270129923078,0cyclictest30600-21tune2fs23:28:290
270129923046,0cyclictest0-21swapper21:13:050
270129922834,0cyclictest27777-21perl20:13:210
270129922732,0cyclictest1850-21ntp_states19:01:230
270129922475,0cyclictest7976-21timerandwakeup19:17:460
270129922455,0cyclictest0-21swapper18:54:420
270129922434,0cyclictest3913-21munin-node19:06:500
270129922266,0cyclictest0-21swapper22:52:260
270129922236,0cyclictest5888-21perl20:43:130
270129922034,0cyclictest28359-21munin-node21:47:260
270129921972,0cyclictest9481-21telnet19:22:150
270129921967,0cyclictest25293-21fschecks_time21:38:120
270129921952,0cyclictest0-21swapper00:09:380
270129921851,0cyclictest0-21swapper22:33:420
270129921634,0cyclictest29009-21ntp_states18:46:230
270129921450,0cyclictest0-21swapper18:44:170
2701299208126,0cyclictest3905-21munin-node23:46:060
2701299203123,0cyclictest15494-21cron22:45:530
270129920278,0cyclictest0-21swapper22:01:310
2701299199121,0cyclictest10979-21python19:26:490
2701299199117,0cyclictest3355-21runrttasks18:57:020
2701299198127,0cyclictest26390-21df_abs21:42:080
2701299197121,0cyclictest12220-21sh22:36:250
2701299197114,0cyclictest2186-21grep20:33:020
2701299196118,0cyclictest29151-21latency_hist23:26:000
2701299196117,0cyclictest3355-21runrttasks22:07:480
2701299196117,0cyclictest31237-21df23:31:330
2701299196117,0cyclictest3099-21seq23:42:500
2701299196115,0cyclictest23257-21unixbench_singl23:07:120
2701299195118,0cyclictest7527-21cut20:48:010
2701299194121,0cyclictest16047-21df_abs22:46:570
2701299194119,0cyclictest1999-21munin-run23:40:540
2701299194114,0cyclictest17191-21ntp_states21:16:270
2701299192113,0cyclictest3355-21runrttasks23:56:560
2626501920,0irq/5-eth026245-21awk18:36:520
2701299191118,0cyclictest6123-21ls22:17:530
2701299191116,0cyclictest26508-21ntpq23:16:400
2701299191114,0cyclictest26472-21latency_hist20:11:060
2701299191114,0cyclictest10510-21sshd00:03:200
2701299190111,0cyclictest18696-21cron21:21:040
2701299190110,0cyclictest8535-21munin-node22:26:250
2701299189112,0cyclictest23354-21seq20:01:480
2701299189111,0cyclictest21558-21latency21:27:570
2701299189108,0cyclictest9082-21uname20:52:430
2701299189108,0cyclictest6035-21nfs_client19:12:320
2701299188104,0cyclictest3355-21runrttasks20:57:240
2701299187112,0cyclictest31752-21telnet21:57:080
2701299187105,0cyclictest22018-21chrt19:57:340
2701299185106,0cyclictest32505-21runrttasks20:27:190
2701299183112,0cyclictest19715-21swap19:51:410
2701299182133,0cyclictest22395-21aten2.4_r8power21:31:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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