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2025-05-05 - 04:06
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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 May 05, 2025 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
316649924265,0cyclictest15528-21telnet00:12:090
316649924146,0cyclictest3089-21nsca21:27:530
316649924046,0cyclictest3355-21runrttasks19:26:400
316649924035,0cyclictest11715-21munin-node00:03:390
316649923835,0cyclictest6810-21python19:12:250
316649923833,0cyclictest966-21munin-run23:31:280
316649923734,0cyclictest25368-21irqstats21:36:510
316649923733,0cyclictest20774-21awk19:52:050
316649923665,0cyclictest3355-21runrttasks19:08:560
316649923635,0cyclictest8196-21munin-node23:52:390
316649923633,0cyclictest9800-21snmpd23:46:390
316649923451,0cyclictest10197-21aten2.4_r8power23:57:090
316649923253,0cyclictest19099-21df_inode19:47:180
316649923246,0cyclictest111rcu_preempt20:02:410
316649923237,0cyclictest3355-21runrttasks23:03:460
316649923169,0cyclictest3355-21runrttasks20:57:010
316649923158,0cyclictest17338-21df_inode00:17:130
316649923152,0cyclictest17289-21aten2.4_r8power19:42:100
316649923151,0cyclictest13758-21aten2.4-expect00:07:060
316649923133,0cyclictest22827-21munin-run23:01:310
316649923132,0cyclictest3355-21runrttasks19:04:400
316649923131,0cyclictest3355-21runrttasks21:23:190
316649923125,0cyclictest25642-21ls23:08:170
316649923041,0cyclictest3355-21runrttasks23:41:170
316649923037,0cyclictest27784-21sshd21:43:000
316649923030,0cyclictest16598-21awk21:12:010
316649923029,0cyclictest5989-21sshd22:13:000
316649922930,0cyclictest27477-21sshd20:11:000
316649922854,0cyclictest9-21ksoftirqd/022:38:260
316649922839,0cyclictest1633-21munin-node22:01:380
316649922836,0cyclictest9888-21nfsd22:23:310
316649922835,0cyclictest4321-21telnet20:37:100
316649922834,0cyclictest1414-21timerandwakeup20:28:170
316649922833,0cyclictest24801-21perl21:33:520
316649922832,0cyclictest3355-21runrttasks19:25:150
316649922831,0cyclictest3355-21runrttasks22:27:530
316649922830,0cyclictest3355-21runrttasks22:52:080
316649922829,0cyclictest22609-21munin-node19:57:140
316649922827,0cyclictest1263-21df23:32:020
316649922780,0cyclictest14047-21aten2.4-expect19:32:380
316649922772,0cyclictest32562-21awk18:53:070
316649922763,0cyclictest5405-21awk23:43:000
316649922763,0cyclictest0-21swapper22:07:260
316649922739,0cyclictest28236-21munin-node23:17:530
316649922732,0cyclictest26472-21date23:11:390
316649922730,0cyclictest28033-21python20:12:230
316649922728,0cyclictest3355-21runrttasks18:56:490
316649922672,0cyclictest3355-21runrttasks22:17:160
316649922650,0cyclictest3355-21runrttasks20:51:450
316649922633,0cyclictest12327-21munin-node22:31:390
316649922631,0cyclictest31966-21fschecks_count21:53:570
316649922631,0cyclictest31893-21seq20:22:550
316649922631,0cyclictest16017-21df22:42:030
316649922626,0cyclictest8318-21vmstat20:47:560
316649922555,0cyclictest3355-21runrttasks20:16:510
316649922535,0cyclictest2476-21nfs_client22:03:080
316649922531,0cyclictest3355-21runrttasks22:47:150
316649922467,0cyclictest6050-21df20:42:080
316649922453,0cyclictest3355-21runrttasks23:22:090
316649922447,0cyclictest3355-21runrttasks20:33:200
316649922355,0cyclictest13917-21sendmail_mailqu21:03:270
316649922332,0cyclictest3355-21runrttasks21:21:070
316649922249,0cyclictest15368-21head21:07:510
316649922151,0cyclictest28900-21runrttasks21:46:460
316649922072,0cyclictest15672-21df_abs19:37:290
316649922069,0cyclictest9917-21grep19:21:380
316649921536,0cyclictest31670-21latency_hist18:51:300
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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