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2025-11-25 - 00:45
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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 Nov 24, 2025 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
184499925476,0cyclictest15013-21needreboot11:26:390
184499924776,0cyclictest4563-21grep09:15:450
184499924577,0cyclictest10717-21grep11:15:210
184499924575,0cyclictest30493-21fschecks_count07:12:270
184499924471,0cyclictest2586-21runrttasks09:10:260
184499924367,0cyclictest12552-21df_abs09:41:010
184499924281,0cyclictest3355-21runrttasks07:34:320
184499924270,0cyclictest18973-21fschecks_count11:37:200
184499924180,0cyclictest31929-21df_inode10:35:470
184499924163,0cyclictest3355-21runrttasks07:35:260
184499923973,0cyclictest24471-21unixbench_singl06:56:120
184499923773,0cyclictest381-21runrttasks09:03:210
184499923667,0cyclictest21001-21telnet06:46:180
184499923376,0cyclictest29674-21sendmail10:29:570
184499923159,0cyclictest5032-21df_abs10:55:580
184499922976,0cyclictest6420-21needreboot09:21:390
184499922761,0cyclictest0-21swapper10:06:230
184499922634,0cyclictest4071-21perl10:52:230
184499922376,0cyclictest8169-21fschecks_count07:42:280
184499922335,0cyclictest26577-21munin-node12:01:250
184499922334,0cyclictest29855-21munin-node10:30:160
184499922232,0cyclictest26601-21perl08:42:240
184499922165,0cyclictest9785-21munin-run11:10:010
184499922032,0cyclictest20015-21munin-node08:21:260
184499921866,0cyclictest14620-21nfs_client09:46:290
184499921773,0cyclictest11504-21awk09:36:590
184499921734,0cyclictest8560-21sed07:45:070
184499921636,0cyclictest27206-21ntp_states08:45:230
184499921531,0cyclictest12670-21aten2.4-expect07:56:070
184499921337,0cyclictest25628-21munin-node07:00:070
184499921332,0cyclictest25378-21perl11:57:180
184499921033,0cyclictest23327-21perl06:52:170
184499921031,0cyclictest15767-21ntp_states09:50:270
184499920934,0cyclictest23940-21python08:35:530
17224220545,0sleep017263-21grep06:35:350
184499920473,0cyclictest17354-21runrttasks11:33:000
1844999198118,0cyclictest8784-21munin-run09:30:000
1844999195112,0cyclictest3355-21runrttasks10:10:200
1844999189128,0cyclictest1923-21df_abs07:26:020
1844999185128,0cyclictest1186-21df_abs09:06:030
1844999185107,0cyclictest17757-21timerandwakeup08:11:510
184499918498,0cyclictest3355-21runrttasks08:32:230
1844999184107,0cyclictest3355-21runrttasks08:00:140
1844999184102,0cyclictest3355-21runrttasks06:42:130
1844999184101,0cyclictest3355-21runrttasks11:42:000
184499918269,0cyclictest0-21swapper09:30:190
1844999182107,0cyclictest28867-21ls08:50:120
1844999182103,0cyclictest3355-21runrttasks07:15:160
1844999182103,0cyclictest21058-21wc08:25:060
1844999182102,0cyclictest27416-21fschecks_time10:22:070
1844999181124,0cyclictest3355-21runrttasks09:58:160
1844999181112,0cyclictest7009-21sshd11:01:160
1844999181107,0cyclictest3355-21runrttasks10:48:150
1844999181103,0cyclictest3355-21runrttasks10:04:110
1844999181103,0cyclictest13319-21sort11:21:520
1844999180124,0cyclictest24636-21runrttasks10:15:280
1844999180117,0cyclictest27996-21head07:06:090
1844999179106,0cyclictest21210-21seq11:45:060
184499917899,0cyclictest10291-21seq11:13:080
184499917894,0cyclictest30173-21telnet08:56:090
1844999178125,0cyclictest9800-21snmpd08:06:030
1844999178101,0cyclictest3355-21runrttasks07:24:060
1844999178100,0cyclictest23693-21seq11:52:150
1844999178100,0cyclictest1424-21telnet10:41:090
184499917799,0cyclictest11476-21nfsd07:52:080
1844999177100,0cyclictest3121-21sshd12:09:150
1844999175107,0cyclictest0-21swapper08:16:520
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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