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2025-10-22 - 09:40
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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 Wed Oct 22, 2025 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17479925174,0cyclictest15546-21aten2.4-expect23:18:250
17479924779,0cyclictest3355-21runrttasks21:02:420
17479924779,0cyclictest1594-21jbd2/hda3-818:52:100
17479924776,0cyclictest19753-21aten2.4-expect21:38:200
17479924672,0cyclictest3355-21runrttasks19:27:480
17479924672,0cyclictest1-21init21:53:550
17479924565,0cyclictest11880-21seq23:03:540
17479924475,0cyclictest29587-21nfs_client20:18:400
17479924474,0cyclictest3355-21runrttasks22:43:150
17479924473,0cyclictest3181-21rpc.gssd21:28:300
17479924473,0cyclictest12904-21unixbench_singl23:08:220
17479924471,0cyclictest1622-21df22:27:300
17479924468,0cyclictest17695-21seq19:38:050
17479924458,0cyclictest3355-21runrttasks21:18:260
17479924382,0cyclictest1594-21jbd2/hda3-800:12:100
17479924377,0cyclictest12820-21aten2.4-expect21:12:200
17479924375,0cyclictest8619-21ntp_states22:52:340
17479924374,0cyclictest1-21init23:57:360
17479924370,0cyclictest8101-21awk19:03:440
17479924276,0cyclictest18638-21tr23:31:580
17479924270,0cyclictest5056-21df_inode18:52:540
17479924270,0cyclictest1594-21jbd2/hda3-819:11:540
17479924236,0cyclictest4474-21munin-run22:36:550
17479924236,0cyclictest18303-21python21:33:040
17479924175,0cyclictest20588-21seq19:48:090
17479924173,0cyclictest13970-21grep19:24:090
17479924166,0cyclictest0-21swapper23:49:340
17479924080,0cyclictest1594-21jbd2/hda3-820:02:050
17479924061,0cyclictest11496-21awk19:17:510
17479924049,0cyclictest22218-21grep21:48:060
17479923972,0cyclictest24327-21df_abs23:53:140
17479923971,0cyclictest1-21init18:57:400
17479923872,0cyclictest3355-21runrttasks21:22:390
17479923871,0cyclictest9865-21grep22:57:220
17479923869,0cyclictest3355-21runrttasks20:59:290
17479923868,0cyclictest3355-21runrttasks22:02:400
17479923867,0cyclictest22056-21nfs_client23:43:510
17479923866,0cyclictest3355-21runrttasks19:33:380
17479923863,0cyclictest5664-21unixbench_singl20:48:150
17479923775,0cyclictest4806-21df22:37:330
17479923772,0cyclictest9800-21snmpd20:10:470
17479923772,0cyclictest20332-21df_inode23:37:490
17479923770,0cyclictest18796-21runrttasks23:32:170
17479923769,0cyclictest3153-21head20:38:230
17479923678,0cyclictest13965-21df_inode23:12:590
17479923674,0cyclictest26481-21grep00:02:110
17479923669,0cyclictest3355-21runrttasks20:42:410
17479923668,0cyclictest30354-21df20:22:340
17479923666,0cyclictest410-21df22:22:340
17479923569,0cyclictest1594-21jbd2/hda3-818:42:400
17479923568,0cyclictest25237-21tail21:58:500
17479923554,0cyclictest3355-21runrttasks21:43:060
17479923468,0cyclictest10036-21ntp_states19:12:330
17479923467,0cyclictest27692-21df_inode22:07:490
17479923460,0cyclictest534-21kworker/u2:019:42:300
17479923448,0cyclictest0-21swapper20:52:470
17479923388,0cyclictest1116-21smartctl20:33:020
17479923373,0cyclictest31930-21sendmail_mailqu22:19:100
17479923363,0cyclictest11782-21df_inode21:07:490
17479923273,0cyclictest32001-21unixbench_singl20:28:180
17479923269,0cyclictest22148-21seq19:52:500
17479923269,0cyclictest17354-21latency_hist23:26:590
17479923256,0cyclictest9-21ksoftirqd/022:48:110
17479923249,0cyclictest0-21swapper19:57:410
17479922559,0cyclictest0-21swapper22:12:430
17479922348,0cyclictest0-21swapper20:13:290
384221544,0sleep0415-21df_abs18:37:300
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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