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2025-12-03 - 19:55
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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 highest latencies:
System rack8slot1.osadl.org (updated Wed Dec 03, 2025 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
163359925668,0cyclictest3355-21runrttasks09:07:470
163359925471,0cyclictest9126-21chrt08:00:080
163359925082,0cyclictest1594-21jbd2/hda3-807:26:080
163359924869,0cyclictest16334-21cyclictest11:25:470
163359924677,0cyclictest23633-21aten2.4_r8power08:45:480
163359924674,0cyclictest3355-21runrttasks09:39:380
163359924576,0cyclictest1594-21jbd2/hda3-809:29:440
163359924575,0cyclictest15492-21chrt09:59:370
163359924573,0cyclictest24357-21ls10:29:400
163359924376,0cyclictest28255-21df_abs10:40:370
163359924278,0cyclictest3355-21runrttasks07:40:160
163359924275,0cyclictest31329-21smartctl07:30:330
163359924174,0cyclictest22145-21grep07:01:020
163359924169,0cyclictest17838-21if_eth008:29:560
163359924163,0cyclictest5303-21fschecks_time09:26:540
163359924072,0cyclictest5716-21awk07:50:230
163359924061,0cyclictest30759-21tune2fs10:46:540
163359924056,0cyclictest0-21swapper10:17:530
163359923973,0cyclictest6324-21nfsd11:11:480
163359923973,0cyclictest3355-21runrttasks07:56:200
163359923970,0cyclictest963-21awk10:55:210
163359923970,0cyclictest3355-21runrttasks09:21:560
163359923967,0cyclictest26314-21df_inode10:35:210
163359923877,0cyclictest31965-21awk09:09:580
163359923877,0cyclictest1594-21jbd2/hda3-806:50:360
163359923873,0cyclictest23439-21head10:25:520
163359923868,0cyclictest16749-21df_inode06:40:170
163359923859,0cyclictest13419-21latency_hist08:14:320
163359923857,0cyclictest0-21swapper11:48:540
163359923779,0cyclictest3355-21runrttasks07:45:000
163359923774,0cyclictest20387-21fw_packets11:56:160
163359923734,0cyclictest0-21swapper09:55:070
163359923675,0cyclictest1594-21jbd2/hda3-808:19:250
163359923674,0cyclictest1594-21jbd2/hda3-806:49:260
163359923671,0cyclictest3355-21runrttasks07:21:120
163359923669,0cyclictest3265-21apache11:16:000
163359923669,0cyclictest12361-21awk09:50:240
163359923569,0cyclictest0-21swapper10:19:380
163359923472,0cyclictest28149-21runrttasks08:59:100
163359923363,0cyclictest11682-21sendmail_mailtr08:09:390
163359923265,0cyclictest7760-21sh09:34:570
163359923176,0cyclictest21235-21munin-node08:40:390
163359923171,0cyclictest4559-21cpu11:05:320
163359923171,0cyclictest3108-21smartd12:01:180
163359923169,0cyclictest2972-21unixbench_singl11:00:470
163359923071,0cyclictest740-21awk09:15:090
163359923059,0cyclictest0-21swapper10:08:440
163359923033,0cyclictest3355-21runrttasks07:10:480
163359922976,0cyclictest25907-21swap07:15:120
163359922974,0cyclictest9800-21snmpd11:22:450
163359922886,0cyclictest10617-21smartctl09:45:250
163359922875,0cyclictest19073-21awk10:10:390
163359922773,0cyclictest3355-21runrttasks11:40:010
163359922759,0cyclictest0-21swapper08:51:040
163359922660,0cyclictest32635-21df07:35:010
163359922573,0cyclictest29348-21nfsd09:01:350
163359922567,0cyclictest24431-21tune2fs12:07:070
163359922457,0cyclictest0-21swapper11:30:520
163359922364,0cyclictest17377-21runrttasks08:27:300
163359922233,0cyclictest24473-21fschecks_count07:07:060
163359922076,0cyclictest1594-21jbd2/hda3-811:52:140
163359921935,0cyclictest16390-21munin-node08:21:380
15593221635,0sleep015553-21nfsd06:35:270
163359921356,0cyclictest1594-21jbd2/hda3-806:55:170
163359921234,0cyclictest14108-21munin-node11:34:440
163359920734,0cyclictest20737-21perl08:36:530
163359917199,0cyclictest32354-21nfsd10:51:400
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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