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2025-11-26 - 07:59
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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 Nov 26, 2025 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
257889925672,0cyclictest3355-21runrttasks23:26:200
257889925175,0cyclictest3355-21runrttasks20:26:520
257889925069,0cyclictest3355-21runrttasks20:57:030
257889924969,0cyclictest12434-21runrttasks19:32:150
257889924573,0cyclictest865-21sed20:31:400
257889924573,0cyclictest4333-21nfs_client20:41:300
257889924568,0cyclictest28085-21latency20:16:430
257889924475,0cyclictest25138-21runrttasks21:40:460
257889924472,0cyclictest16041-21if_eth021:15:170
257889924471,0cyclictest11502-21tail21:01:400
257889924470,0cyclictest28752-21grep18:46:570
257889924436,0cyclictest25297-21munin-node20:10:020
257889924376,0cyclictest14375-21df21:10:310
257889924372,0cyclictest8713-21df_abs22:25:590
257889924371,0cyclictest3355-21runrttasks22:07:220
257889924369,0cyclictest4930-21df22:15:310
257889924361,0cyclictest548-21cut19:00:080
257889924279,0cyclictest6438-21grep19:16:040
257889924273,0cyclictest2280-21aten2.4_r8power20:36:010
257889924270,0cyclictest32309-21nfsd18:56:590
257889924269,0cyclictest3355-21runrttasks19:27:070
257889924177,0cyclictest3212-21munin-node22:10:400
257889924173,0cyclictest3355-21runrttasks23:32:330
257889924171,0cyclictest23777-21cut21:36:340
257889924166,0cyclictest0-21swapper20:05:340
257889924076,0cyclictest21368-21awk21:30:230
257889924075,0cyclictest30373-21sed21:55:410
257889924075,0cyclictest16482-21sh22:49:510
257889924072,0cyclictest2980-21open_files19:06:200
257889924071,0cyclictest9800-21snmpd19:38:010
257889924071,0cyclictest12080-21df_inode22:35:380
257889924070,0cyclictest20184-21nfs_client21:26:290
257889924069,0cyclictest1-21init23:57:320
257889924068,0cyclictest335-21latency22:01:570
257889924068,0cyclictest20796-21awk19:56:230
257889924060,0cyclictest0-21swapper00:01:370
257889923971,0cyclictest4912-21awk23:50:460
257889923971,0cyclictest2159-21fschecks_time23:42:060
257889923968,0cyclictest31775-21ntp_states23:35:180
257889923968,0cyclictest22523-21cut20:01:230
257889923968,0cyclictest14034-21seq21:09:510
257889923874,0cyclictest25657-21nfsd23:16:530
257889923869,0cyclictest26749-21df_abs23:20:530
257889923868,0cyclictest3355-21runrttasks00:05:400
257889923868,0cyclictest22572-21runrttasks23:07:480
257889923773,0cyclictest3355-21runrttasks22:57:030
257889923772,0cyclictest1594-21jbd2/hda3-818:51:460
257889923769,0cyclictest4075-21latency_hist19:10:060
257889923764,0cyclictest28675-21df_inode21:50:460
257889923671,0cyclictest26032-21sh18:40:240
257889923670,0cyclictest27573-21munin-node21:46:530
257889923669,0cyclictest24449-21cron23:14:500
257889923669,0cyclictest17034-21df_abs22:50:520
257889923666,0cyclictest18762-21df_abs19:51:000
257889923565,0cyclictest6902-21df_abs22:20:570
257889923472,0cyclictest3355-21runrttasks22:43:400
257889923470,0cyclictest3355-21runrttasks22:31:180
257889923468,0cyclictest15302-21sed19:41:090
257889923467,0cyclictest6964-21idleruntime-cro20:49:520
257889923465,0cyclictest7173-21irqstats20:50:150
257889923371,0cyclictest3355-21runrttasks23:04:470
257889923362,0cyclictest17951-21telnet21:20:320
257889923281,0cyclictest3355-21runrttasks20:20:180
257889923068,0cyclictest9280-21latency_hist19:24:510
257889922867,0cyclictest2854-21ntp_states23:45:200
257889922131,0cyclictest9800-21snmpd19:48:100
24500219743,0sleep024529-21zcat18:35:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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