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2025-11-24 - 12:07
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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 792 highest latencies:
System rack8slot1.osadl.org (updated Mon Nov 24, 2025 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2048899221139,0cyclictest28009-21df_inode19:00:460
2048899219131,0cyclictest8592-21awk19:36:490
2048899217131,0cyclictest21068-21munin-node23:16:230
2048899216141,0cyclictest27493-21df_inode20:30:510
2048899216137,0cyclictest26481-21unixbench_singl18:56:120
2048899215134,0cyclictest16821-21sendmail_mailtr23:05:100
2048899213135,0cyclictest3355-21runrttasks23:13:070
2048899213135,0cyclictest25803-21munin-run18:54:590
2048899213132,0cyclictest31745-21munin-node23:46:550
2048899213131,0cyclictest3355-21runrttasks20:10:300
2048899212136,0cyclictest12944-21cut21:21:060
2048899212134,0cyclictest9800-21snmpd21:57:190
2048899212133,0cyclictest4603-21cut20:57:010
2048899212130,0cyclictest2880-21fschecks_time23:57:100
2048899212129,0cyclictest14764-21grep21:26:130
2048899211136,0cyclictest2424-21ntpq19:20:270
2048899211133,0cyclictest2168-21seq19:19:550
2048899211130,0cyclictest9800-21snmpd20:50:220
2048899211129,0cyclictest3355-21runrttasks00:01:530
2048899211129,0cyclictest2077-21perl22:22:160
2048899211128,0cyclictest10835-21cut21:15:330
2048899210134,0cyclictest27853-21grep23:36:000
2048899210131,0cyclictest26265-21aten2.4_r8power22:00:150
2048899210129,0cyclictest30651-21sort20:40:080
2048899210128,0cyclictest31367-21ntp_states19:10:350
2048899210128,0cyclictest22382-21unixbench_singl20:16:090
2048899209133,0cyclictest24049-21runrttasks23:25:300
2048899209129,0cyclictest3355-21runrttasks22:35:540
2048899209128,0cyclictest6972-21expr19:32:030
2048899209128,0cyclictest22250-21latency_hist18:45:090
2048899208136,0cyclictest13705-21nfs_client19:51:320
2048899208127,0cyclictest29705-21munin-node22:10:070
2048899208123,0cyclictest9800-21snmpd23:52:230
2048899207133,0cyclictest11899-21nfs_client19:46:360
2048899207132,0cyclictest23221-21df21:50:360
2048899207131,0cyclictest29213-21df_inode20:35:460
2048899207130,0cyclictest3355-21runrttasks23:40:220
2048899207129,0cyclictest32563-21nfsd22:17:000
2048899207129,0cyclictest26038-21sed23:30:510
2048899207128,0cyclictest8820-21grep21:10:080
2048899207127,0cyclictest9228-21df_inode21:10:520
2048899207127,0cyclictest23793-21sed20:20:340
2048899207126,0cyclictest17997-21ntpq21:35:430
2048899207119,0cyclictest10141-21df_abs22:45:580
2048899206129,0cyclictest15329-21cat23:00:410
2048899206128,0cyclictest26062-21nfs_client20:26:310
2048899206125,0cyclictest3355-21runrttasks21:50:050
2048899206125,0cyclictest3355-21runrttasks20:06:400
2048899206124,0cyclictest30509-21awk22:11:350
2048899206122,0cyclictest4822-21nfs_client19:26:350
2048899205131,0cyclictest17063-21grep21:32:070
2048899205129,0cyclictest10593-21tune2fs19:42:100
2048899205125,0cyclictest12308-21nfs_client22:51:370
2048899205124,0cyclictest3355-21runrttasks18:41:450
2048899205122,0cyclictest9800-21snmpd21:41:500
19022220539,0sleep019060-21df_inode18:35:250
2048899204128,0cyclictest4490-21aten2.4-expect22:30:190
2048899204122,0cyclictest3355-21runrttasks21:02:080
2048899203130,0cyclictest23090-21egrep23:21:560
2048899203125,0cyclictest3355-21runrttasks22:41:460
2048899202126,0cyclictest29450-21seq19:05:100
2048899202122,0cyclictest3355-21runrttasks19:57:090
2048899202122,0cyclictest3355-21runrttasks00:06:250
2048899202121,0cyclictest1702-21ls20:50:090
2048899199153,0cyclictest13678-21cpu22:55:550
2048899199141,0cyclictest16796-21df_inode20:00:460
2048899198125,0cyclictest3835-21fschecks_time22:27:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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