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2025-04-30 - 09:03
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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 Tue Apr 29, 2025 14:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1932223533,52sleep00-21swapper/007:07:580
2242991666,15cyclictest13215-21apt-get10:18:170
22429916448,95cyclictest10150irq/55-4a10000011:10:420
22429916040,106cyclictest23273-21ntpq08:40:430
22429915839,106cyclictest31773-21sshd09:18:270
22429915838,107cyclictest1-21systemd12:30:430
22429915642,102cyclictest16038-21runrttasks08:10:100
22429915639,104cyclictest24139-21sshd08:45:280
22429915532,111cyclictest760-21systemd-journal07:20:020
22429915512,16cyclictest10737-21latency_hist07:45:020
2242991549,20cyclictest7649-21ntp_states09:55:390
22429915438,105cyclictest12995-21sshd12:29:550
22429915328,114cyclictest3169-21fw_forwarded_lo11:50:280
22429915327,112cyclictest5235-21wget07:20:120
22429915237,102cyclictest802-21dbus-daemon09:00:000
2242991518,19cyclictest10809-21ntp_states12:20:380
22429915144,91cyclictest10150irq/55-4a10000012:35:450
22429915135,105cyclictest32340-21sshd09:20:270
22429915133,104cyclictest11526-21users10:11:370
2242991507,23cyclictest31501-21chrt11:35:010
22429915039,99cyclictest802-21dbus-daemon11:55:500
22429915029,110cyclictest11842-21memory07:50:280
2242991486,15cyclictest23987-21diskstats11:05:260
22429914844,92cyclictest18883-21runrttasks08:20:450
22429914824,18cyclictest1356-21snmpd11:24:270
2242991476,16cyclictest9038-21latency_hist12:15:040
22429914743,92cyclictest14030-21runrttasks10:20:350
22429914738,98cyclictest16869-21/usr/sbin/munin10:35:120
22429914736,99cyclictest21984-21ntpq08:35:370
22429914734,100cyclictest29381-21sshd11:25:290
22429914647,90cyclictest27475-21latency_hist11:20:070
22429914639,96cyclictest20781-21seq08:30:410
22429914633,100cyclictest28510-21seq09:05:080
22429914632,101cyclictest6864-21diskstats12:05:220
22429914628,20cyclictest29909-21sshd09:11:280
22429914611,21cyclictest10325-21munin-run10:10:010
2242991459,17cyclictest2080-21ntp_states11:45:400
22429914443,89cyclictest8456-21aten_r7power_vo07:35:140
22429914440,94cyclictest3520-21cat07:15:050
22429914440,93cyclictest18317-21cron08:20:010
22429914433,99cyclictest760-21systemd-journal12:01:280
22429914433,99cyclictest13021-21seq07:55:290
22429914432,101cyclictest155012chrt10:29:550
22429914426,13cyclictest0-21swapper/011:38:210
2242991438,21cyclictest1356-21snmpd10:50:270
22429914339,93cyclictest8251-21grep07:35:000
22429914337,94cyclictest21611-21runrttasks10:55:460
22429914327,17cyclictest5934-21latency_hist09:50:020
2242991426,18cyclictest25042-21cat08:50:240
22429914241,90cyclictest18527-21ntp_states10:40:450
22429914239,91cyclictest9173-21aten_r7power_cu12:15:140
22429914236,94cyclictest16203-21mailstats10:30:420
22429914232,99cyclictest28215-21sshd09:03:280
22429914229,21cyclictest1367-21sshd11:43:280
22429914221,13cyclictest6112-21aten_r7power_vo09:50:120
22429914220,14cyclictest4164-21wget09:40:140
22429914217,13cyclictest10250irq/56-4a10000008:03:280
22429914039,89cyclictest2162-21mailstats09:30:430
22429914028,12cyclictest0-21swapper/009:35:460
22429913941,87cyclictest19996-21latency_hist10:50:030
22429913833,94cyclictest1336-21runrttasks07:27:230
22429913831,95cyclictest9079-21sendmail_mailtr10:00:500
22429913738,87cyclictest11084-21runrttasks07:47:080
22429913715,27cyclictest3650irq/20-4900000011:01:370
22429913630,16cyclictest802-21dbus-daemon08:10:010
22429913339,84cyclictest197222chrt08:25:260
22429913333,89cyclictest1287-21seq09:28:320
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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