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2025-05-25 - 12:08
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack7slot8.osadl.org (updated Sat May 24, 2025 14:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2834220627,52sleep00-21swapper/007:06:060
3362991697,104cyclictest15681-21latency_hist10:05:020
33629916726,108cyclictest8340-21ntp_states09:35:430
33629916522,101cyclictest25424-21tr08:35:140
33629916510,113cyclictest12315-21munin-run12:00:040
33629916428,95cyclictest1424-21nginx08:51:140
33629916147,94cyclictest10150irq/55-4a10000008:15:030
3362991607,114cyclictest18293-21aten_r7power_en12:20:150
3362991587,131cyclictest1356-21snmpd09:55:330
3362991577,93cyclictest19421-21apt-get10:22:090
3362991567,94cyclictest11561-21apt-get09:50:450
33629915645,98cyclictest9012-21sshd11:45:350
3362991558,110cyclictest14421-21df_inode07:50:340
3362991557,110cyclictest1356-21snmpd12:16:340
33629915528,106cyclictest1356-21snmpd09:45:550
3362991548,123cyclictest15237-21runrttasks12:07:110
3362991548,106cyclictest3719-21apt-get09:17:060
3362991535,94cyclictest20984-21mailstats08:15:530
3362991527,123cyclictest3816-21ntpq07:10:360
3362991527,106cyclictest1356-21snmpd12:26:360
33629915210,104cyclictest24361-21diskstats08:30:240
3362991518,98cyclictest4434-21diskstats09:20:260
3362991516,92cyclictest16876-21df08:00:190
3362991516,104cyclictest13008-21df12:00:240
33629915137,100cyclictest22618-21df_inode10:30:230
3362991507,105cyclictest6231-21basename07:20:170
3362991507,104cyclictest30433-21wget08:55:150
3362991507,102cyclictest3941-21diskstats11:25:260
3362991499,116cyclictest1356-21snmpd10:36:100
3362991496,123cyclictest18283-21/usr/sbin/munin10:15:370
33629914941,97cyclictest27670-21if_eth010:50:300
33629914935,102cyclictest1801-21node07:25:580
33629914934,102cyclictest15820-21ntpq07:55:400
33629914926,105cyclictest11207-21sendmail-msp07:40:020
33629914921,107cyclictest29787-21sendmail-msp11:00:030
3362991487,104cyclictest1210-21wget11:15:150
33629914841,95cyclictest6087-21latency_hist11:35:030
33629914825,109cyclictest2542-21wget11:20:160
3362991479,101cyclictest21867-21df08:20:200
3362991478,118cyclictest1356-21snmpd12:11:330
3362991478,101cyclictest28090-21df_inode08:45:200
3362991477,100cyclictest10347-21ntp_states11:50:420
33629914726,108cyclictest1336-21runrttasks11:10:390
33629914724,102cyclictest26157-21/usr/sbin/munin10:45:170
3362991468,122cyclictest21430-21seq12:31:390
3362991467,114cyclictest1356-21snmpd08:40:270
3362991467,102cyclictest17941-21aten_r7power_cu08:05:140
3362991467,101cyclictest7007-21irqstats09:30:360
3362991466,120cyclictest1356-21snmpd09:05:380
33629914645,90cyclictest6427-21sshd11:35:340
33629914628,98cyclictest1356-21snmpd09:25:470
33629914626,102cyclictest1356-21snmpd12:37:220
33629914610,100cyclictest13683-21munin-run07:50:040
3362991449,95cyclictest2011-21irqstats09:10:350
3362991448,103cyclictest1356-21snmpd10:06:010
3362991447,92cyclictest5453-21apt-get07:17:060
3362991436,100cyclictest7708-21chrt11:40:290
33629914337,93cyclictest12441-21latency_hist07:45:020
33629914252,82cyclictest17057-21aten_r7power_cu10:10:150
33629914236,94cyclictest32349-21runrttasks09:01:370
33629914217,105cyclictest9201-21/usr/sbin/munin09:40:140
3362991418,92cyclictest30118-21/usr/sbin/munin11:00:250
3362991408,89cyclictest9944-21munin-run07:35:010
33629913943,85cyclictest25467-21/usr/sbin/munin10:40:470
33629913935,93cyclictest23650-21runrttasks08:26:470
33629913930,91cyclictest21183-21/usr/sbin/munin10:25:460
33629913838,89cyclictest32219-21runrttasks11:09:410
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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