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2025-11-18 - 00:13
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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 Mon Nov 17, 2025 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
131129923584,0cyclictest1594-21jbd2/hda3-808:45:200
131129923383,0cyclictest18450-21smartctl06:56:220
131129923373,0cyclictest9800-21snmpd08:57:100
131129923158,0cyclictest23374-21sendmail_mailtr10:30:370
131129923061,0cyclictest3355-21runrttasks08:45:330
131129922966,0cyclictest3355-21runrttasks09:19:580
131129922963,0cyclictest7231-21df_abs09:41:290
131129922944,0cyclictest7273-21fschecks_time11:17:510
131129922755,0cyclictest9325-21latency_hist08:10:280
131129922743,0cyclictest3427-21sshd09:30:550
131129922725,0cyclictest17043-21cron08:35:200
131129922665,0cyclictest26004-21seq10:37:130
131129922633,0cyclictest3355-21runrttasks11:45:120
131129922575,0cyclictest2619-21sshd09:27:390
131129922572,0cyclictest3355-21runrttasks09:36:390
131129922529,0cyclictest30260-21munin-node07:32:180
131129922460,0cyclictest29868-21perl10:47:470
131129922380,0cyclictest3355-21runrttasks07:13:560
131129922368,0cyclictest10579-21perl09:52:590
131129922277,0cyclictest1594-21jbd2/hda3-812:05:310
131129922275,0cyclictest3355-21runrttasks11:30:400
131129922260,0cyclictest3355-21runrttasks08:26:300
131129922173,0cyclictest3355-21runrttasks08:22:490
131129922169,0cyclictest3355-21runrttasks12:04:330
131129922166,0cyclictest5526-21nfsd11:12:400
131129922137,0cyclictest22787-21df_inode08:51:170
131129922074,0cyclictest3108-21smartd07:02:150
131129922074,0cyclictest2894-21syslogd07:30:220
131129922072,0cyclictest5967-21aten2.4-expect08:00:450
131129922071,0cyclictest9800-21snmpd09:02:120
131129922069,0cyclictest1101-21telnet07:41:490
131129922068,0cyclictest31458-21nfsd10:52:380
131129922068,0cyclictest21741-21df10:25:550
131129922066,0cyclictest3132-21df_abs11:06:270
131129922064,0cyclictest7966-21sed11:20:580
131129922063,0cyclictest14849-21df_inode06:46:110
131129922033,0cyclictest16725-21python10:11:230
131129922032,0cyclictest1747-21sed11:01:100
131129921978,0cyclictest17412-21aten2.4-expect08:36:030
131129921974,0cyclictest30033-21sshd09:12:280
131129921971,0cyclictest3355-21runrttasks07:17:450
131129921966,0cyclictest1-21init09:09:550
131129921965,0cyclictest3355-21runrttasks10:01:230
131129921956,0cyclictest766-21nfsd09:22:270
131129921879,0cyclictest11882-21aten2.4-expect11:31:450
131129921873,0cyclictest3355-21runrttasks11:56:330
131129921869,0cyclictest9800-21snmpd08:00:210
131129921857,0cyclictest1030-21grep10:57:580
131129921856,0cyclictest10427-21grep08:16:150
131129921853,0cyclictest19975-21ntp_states10:20:530
131129921830,0cyclictest3355-21runrttasks06:52:430
131129921776,0cyclictest3355-21runrttasks11:52:200
131129921767,0cyclictest15471-21sed10:07:180
131129921737,0cyclictest31833-21memory07:36:540
131129921736,0cyclictest3355-21runrttasks08:14:550
131129921731,0cyclictest13319-21aten2.4_r8power11:36:070
12037221742,0sleep012047-21expr06:36:080
131129921679,0cyclictest1594-21jbd2/hda3-811:45:310
131129921665,0cyclictest3355-21runrttasks06:44:530
131129921632,0cyclictest3355-21runrttasks09:55:410
131129921632,0cyclictest3355-21runrttasks07:20:340
131129921570,0cyclictest18960-21cut10:17:110
131129921541,0cyclictest21993-21df_abs07:06:280
131129921371,0cyclictest2748-21telnet07:46:400
131129921366,0cyclictest3355-21runrttasks07:54:210
131129921335,0cyclictest3355-21runrttasks10:41:150
131129921270,0cyclictest3355-21runrttasks09:46:570
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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