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2025-12-08 - 09:04
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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 Mon Dec 08, 2025 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
80459925467,0cyclictest16467-21nfs_client22:15:490
80459925465,0cyclictest3355-21runrttasks19:52:000
80459925254,0cyclictest0-21swapper19:17:370
80459925167,0cyclictest30412-21nfs_client23:00:500
80459925062,0cyclictest3121-21sshd23:29:150
80459924869,0cyclictest18658-21df19:09:500
80459924865,0cyclictest29493-21df_abs19:40:200
80459924673,0cyclictest3355-21runrttasks22:00:590
80459924648,0cyclictest27454-21apache00:08:070
80459924568,0cyclictest9805-21df21:54:480
80459924566,0cyclictest343-21telnet23:09:590
80459924466,0cyclictest20634-21fschecks_time20:46:370
80459924466,0cyclictest15609-21runrttasks20:32:100
80459924457,0cyclictest0-21swapper23:17:220
80459924375,0cyclictest14479-21runrttasks22:10:240
80459924374,0cyclictest3204-21sendmail-mta18:55:190
80459924366,0cyclictest4995-21df21:39:480
80459924363,0cyclictest3355-21runrttasks20:52:170
80459924264,0cyclictest26195-21telnet19:30:420
80459924165,0cyclictest3519-21df_inode21:35:040
80459924142,0cyclictest23557-21munin-node22:39:210
80459924074,0cyclictest1594-21jbd2/hda3-820:24:110
80459924070,0cyclictest1-21init19:05:420
80459923969,0cyclictest3265-21apache23:30:380
80459923969,0cyclictest31290-21awk23:05:040
80459923968,0cyclictest13475-21awk22:05:560
80459923966,0cyclictest17212-21awk00:01:280
80459923875,0cyclictest1594-21jbd2/hda3-819:24:100
80459923874,0cyclictest23253-21cut20:54:570
80459923873,0cyclictest9933-21df_abs23:40:180
80459923872,0cyclictest7194-21cut21:45:310
80459923872,0cyclictest22503-21aten2.4-expect22:35:410
80459923866,0cyclictest11785-21df_inode18:50:060
80459923865,0cyclictest7428-21telnet20:09:570
80459923862,0cyclictest20268-21chrt22:29:510
80459923767,0cyclictest31461-21nfs_client21:20:590
80459923765,0cyclictest8758-21grep21:51:060
80459923730,0cyclictest3355-21runrttasks20:07:270
80459923674,0cyclictest1594-21jbd2/hda3-821:14:210
80459923673,0cyclictest12652-21mailstats23:49:250
80459923672,0cyclictest25636-21runrttasks22:45:520
80459923670,0cyclictest988-21ls21:26:140
80459923667,0cyclictest9138-21runrttasks20:14:490
80459923667,0cyclictest28258-21df_inode22:55:040
80459923665,0cyclictest18719-21missed_timers20:41:230
80459923574,0cyclictest3248-21cron18:44:100
80459923567,0cyclictest3355-21runrttasks19:00:320
80459923567,0cyclictest3059-21sshd21:34:170
80459923566,0cyclictest4878-21fschecks_time23:22:240
80459923565,0cyclictest3121-21sshd20:00:420
80459923473,0cyclictest11360-21seq18:49:130
80459923468,0cyclictest15407-21awk23:56:240
80459923466,0cyclictest24951-21df20:59:490
80459923466,0cyclictest12678-21mailstats23:49:270
80459923465,0cyclictest9800-21snmpd20:34:380
80459923465,0cyclictest8788-21awk23:36:010
80459923371,0cyclictest1594-21jbd2/hda3-819:24:210
80459923369,0cyclictest31539-21cut19:45:530
80459923276,0cyclictest26270-21sendmail_mailst22:49:390
80459923263,0cyclictest26786-21grep21:05:000
80459923262,0cyclictest27777-21df_abs19:35:210
80459923262,0cyclictest17031-21munin-node22:20:420
80459923171,0cyclictest3355-21runrttasks22:27:330
80459923164,0cyclictest3355-21runrttasks20:25:310
80459923164,0cyclictest2037-21df19:54:490
80459922765,0cyclictest3355-21runrttasks21:13:450
44502000,0irq/14-ide08025-21latency_hist18:39:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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