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2025-09-19 - 05:43
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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: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of all highest latencies:
System rack7slot3.osadl.org (updated Fri Sep 19, 2025 00:44:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
109912113915sleep10994-21unixbench_singl19:04:150
1140499241218cyclictest1027-21ssh23:08:030
1140499236172cyclictest2938-21runrttasks23:58:540
1140499233208cyclictest19507-21ssh00:28:420
1140499232208cyclictest31206-21tune2fs20:33:570
1140499230205cyclictest2872-21snmpd00:07:510
1140499228202cyclictest32603-21modprobe20:39:310
1140499228166cyclictest21732-21ntp_states22:15:380
1140499226199cyclictest2547-21Xorg00:31:160
1140499225201cyclictest6220-21chrt21:09:180
1140499224200cyclictest18426-21chrt19:38:370
1140499224200cyclictest10321-21ssh21:26:150
1140499224195cyclictest21231-21ssh00:35:240
1140499223197cyclictest17609-21ssh21:58:260
1140499221197cyclictest32608-21latency_hist23:03:590
1140499221196cyclictest5025-21munin-node0
1140499221193cyclictest24670-21ps20:05:000
1140499220195cyclictest29152-21df_inode22:48:580
1140499220195cyclictest16727-21apt-get00:15:500
1140499219195cyclictest8133-21sh21:17:250
1140499219195cyclictest13054-21perl23:59:310
1140499218191cyclictest19244-21kernelversion22:04:490
1140499218156cyclictest26924-21ntp_states20:15:050
1140499217196cyclictest15757-21sh00:11:190
1140499216192cyclictest30741-21runrttasks20:31:220
1140499216191cyclictest12377-21ssh21:34:590
1140499216163cyclictest16594-21df21:53:540
1140499216157cyclictest8836-21sshd21:20:020
1140499215191cyclictest31094-21sh22:57:190
1140499215190cyclictest6073-21df21:08:530
1140499215189cyclictest21681-21sshd19:52:590
1140499215186cyclictest6049-21tune2fs23:29:140
1140499215155cyclictest23088-21runrttasks22:22:110
1140499215154cyclictest1311-21ntp_states20:44:410
1140499214191cyclictest20056-21ntpq19:45:020
1140499214189cyclictest9288-21awk23:43:370
1140499213194cyclictest29314-21ssh22:49:240
1140499213188cyclictest17753-21memory00:20:070
1140499213188cyclictest11418-21ssh23:52:520
1140499212188cyclictest9830-21ssh23:45:100
1140499212186cyclictest27470-21ssh22:41:030
1140499211186cyclictest3901-21ssh23:19:370
1140499211186cyclictest15503-21latency_hist21:48:560
1140499211185cyclictest3423-21diskmemload23:18:080
1140499210185cyclictest20470-21ssh22:10:100
1140499210185cyclictest17611-21munin-node0
1140499210182cyclictest21945-21grep19:53:500
1140499209183cyclictest27838-21if_eth020:19:080
1140499208184cyclictest1714-21ssh23:10:110
1140499207183cyclictest26304-21runrttasks22:35:530
11194220620sleep11197-21kernelversion21:29:550
1140499204179cyclictest14120-21sh21:43:010
1140499202177cyclictest2282-21irqstats20:49:100
1140499201179cyclictest19053-21sendmail_mailtr19:40:170
1140499201138cyclictest262592sleep20:12:430
1140499200172cyclictest25283-21ssh22:31:400
1140499199174cyclictest24115-21ssh22:26:280
1140499199174cyclictest12640-21wc19:13:340
1140499199173cyclictest14492-21sensors19:20:260
1140499198171cyclictest4753-21runrttasks21:03:060
1140499197172cyclictest7125-21chrt23:34:000
1140499197171cyclictest29745-21awk20:28:170
1140499195173cyclictest13798-21df19:18:480
1140499192168cyclictest23548-21ps20:00:130
1140499191167cyclictest17181-21grep19:33:300
1140499188164cyclictest15650-21swap19:25:220
1140499184161cyclictest2643-21munin-node20:58:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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