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2025-11-25 - 10:55
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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 376 highest latencies:
System rack8slot1.osadl.org (updated Tue Nov 25, 2025 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
108249925483,0cyclictest1594-21jbd2/hda3-820:00:020
108249925479,0cyclictest1594-21jbd2/hda3-823:55:100
108249925267,0cyclictest25692-21sed19:21:140
108249924776,0cyclictest24219-21sed19:16:490
108249924674,0cyclictest4207-21grep21:26:370
108249924672,0cyclictest12724-21chrt20:16:170
108249924650,0cyclictest1594-21jbd2/hda3-821:36:420
108249924571,0cyclictest3355-21runrttasks22:05:150
108249924557,0cyclictest0-21swapper21:53:100
108249924473,0cyclictest3181-21rpc.gssd23:00:440
108249924470,0cyclictest7141-21needreboot23:06:420
108249924374,0cyclictest3355-21runrttasks21:59:540
108249924369,0cyclictest16327-21grep22:01:120
108249924282,0cyclictest1594-21jbd2/hda3-819:25:080
108249924278,0cyclictest18658-21aten2.4-expect19:01:180
108249924276,0cyclictest16865-21latency_hist20:30:080
108249924260,0cyclictest0-21swapper00:03:520
108249924174,0cyclictest30850-21df_abs19:36:020
108249924169,0cyclictest28074-21grep21:02:060
108249924165,0cyclictest3355-21runrttasks20:35:440
108249924156,0cyclictest12016-1kworker/0:0H18:40:040
108249924075,0cyclictest7522-21nfs_client20:01:360
108249924074,0cyclictest20162-21cpu19:05:560
108249924073,0cyclictest3355-21runrttasks21:30:090
108249924071,0cyclictest22927-21sort20:47:110
108249924065,0cyclictest10391-21runrttasks20:10:210
108249923980,0cyclictest16164-21nfsd23:32:020
108249923973,0cyclictest20304-21grep23:45:190
108249923964,0cyclictest1904-21df_inode21:20:460
108249923962,0cyclictest9-21ksoftirqd/022:35:260
108249923947,0cyclictest14523-21aten2.4_r8power18:50:150
108249923874,0cyclictest14646-21cut20:21:390
108249923872,0cyclictest25431-21grep22:26:400
108249923872,0cyclictest20201-21munin-node20:40:280
108249923872,0cyclictest1594-21jbd2/hda3-820:07:020
108249923871,0cyclictest24087-21seq20:51:230
108249923869,0cyclictest3355-21runrttasks22:56:160
108249923867,0cyclictest28417-21munin-node00:07:100
108249923863,0cyclictest0-21swapper21:09:150
108249923777,0cyclictest3355-21runrttasks21:41:370
108249923773,0cyclictest3355-21runrttasks23:25:110
108249923738,0cyclictest20922-21munin-run22:14:570
108249923670,0cyclictest28581-21sendmail_mailtr19:30:090
108249923667,0cyclictest10836-21ls23:16:540
108249923661,0cyclictest0-21swapper19:44:520
108249923572,0cyclictest23464-21seq22:21:200
108249923569,0cyclictest0-21swapper20:26:220
108249923566,0cyclictest12667-21nfsd23:22:000
108249923275,0cyclictest21685-21telnet22:16:160
108249923272,0cyclictest8383-21df_inode23:10:500
108249923270,0cyclictest3355-21runrttasks23:37:290
108249923262,0cyclictest0-21swapper22:47:520
108249923170,0cyclictest3956-21runrttasks19:51:310
108249923170,0cyclictest26300-21sendmail_mailtr22:30:090
108249923170,0cyclictest16945-21awk18:56:230
108249923163,0cyclictest0-21swapper21:45:340
108249923077,0cyclictest3355-21runrttasks23:44:450
108249923068,0cyclictest3355-21runrttasks19:10:190
108249922972,0cyclictest1583-21aten2.4_r8power22:51:200
108249922864,0cyclictest30550-21telnet21:10:170
108249922774,0cyclictest9800-21snmpd21:17:480
108249922769,0cyclictest1702-21ntp_offset19:45:430
108249922731,0cyclictest3355-21runrttasks18:49:230
108249922568,0cyclictest10868-21latency_hist18:40:000
108249922534,0cyclictest29831-21munin-node22:40:070
108249922531,0cyclictest9800-21snmpd23:54:590
108249922471,0cyclictest26320-21runrttasks20:57:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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