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2024-04-27 - 23:33
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 25 million
Resolution of latency scale: reduced 
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 792 highest latencies:
System rack3slot5.osadl.org.osadl.org (updated Sat Apr 27, 2024 12:44:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
156919940831,0cyclictest1146-21jbd2/sda1-809:34:200
156919940766,0cyclictest11023-21mailstats09:14:270
156919939362,0cyclictest23708-21awk12:35:020
156919939043,0cyclictest2225-21apt-get10:59:430
156919938127,0cyclictest1146-21jbd2/sda1-809:49:210
156919938025,0cyclictest13132-21cron09:24:210
156919937998,0cyclictest9891-21sendmail-mta09:09:320
156919937966,0cyclictest1080-21apt-get10:54:430
156919937628,0cyclictest2412-21sendmail-mta08:14:370
156919937543,0cyclictest26702-21munin-node10:25:320
156919937473,0cyclictest7884-21sed11:24:520
156919937339,0cyclictest30201-1kworker/0:0H10:39:560
156919937329,0cyclictest1146-21jbd2/sda1-809:39:250
156919937073,0cyclictest22237-1kworker/0:1H07:54:330
156919937027,0cyclictest1146-21jbd2/sda1-812:04:200
156919936978,0cyclictest26970-21switchtime08:00:140
156919936935,0cyclictest16925-21latency_hist07:14:250
156919936585,0cyclictest1146-21jbd2/sda1-811:19:520
156919936553,0cyclictest5623-21df11:14:520
156919936541,0cyclictest2412-21sendmail-mta08:54:570
156919936539,0cyclictest10574-21cat11:35:300
156919936528,0cyclictest1146-21jbd2/sda1-809:29:210
156919936468,0cyclictest15463-21cron11:59:130
156919936433,0cyclictest13230-21cron11:49:120
156919936240,0cyclictest22343-21apt-get10:04:430
156919936237,0cyclictest17518-21sendmail07:19:190
156919936228,0cyclictest28461-21kworker/u2:008:59:430
156919936165,0cyclictest7886-1kworker/0:2H12:19:120
156919935731,0cyclictest25280-21cron10:16:130
156919935730,0cyclictest21397-21nfs_client07:35:160
156919935728,0cyclictest1146-21jbd2/sda1-809:44:200
1569199357101,0cyclictest2263-21syslogd07:44:130
156919935687,0cyclictest3675-21grep11:05:180
156919935679,0cyclictest2322-21nscd10:02:260
156919935630,0cyclictest1146-21jbd2/sda1-808:39:250
156919935582,0cyclictest23344-21apt-get07:44:440
156919935536,0cyclictest9759-21sh09:09:140
156919935528,0cyclictest1146-21jbd2/sda1-809:59:150
156919935172,0cyclictest859-21idleruntime-cro10:54:130
156919935137,0cyclictest4469-21uptime08:45:000
156919934946,0cyclictest28461-21kworker/u2:008:04:430
156919934929,0cyclictest20868-21munin-run07:34:140
156919934880,0cyclictest2560-21processes08:35:300
156919934838,0cyclictest1146-21jbd2/sda1-807:24:200
156919934837,0cyclictest29060-21apt-get10:34:460
156919934833,0cyclictest5949-21timerandwakeup08:50:290
156919934736,0cyclictest9766-21kworker/u2:212:19:430
156919934735,0cyclictest968-21apt08:29:390
156919934731,0cyclictest24344-21cron10:14:130
156919934636,0cyclictest25159-21runrttasks07:51:030
156919934359,0cyclictest16593-1kworker/0:0H10:19:480
156919934334,0cyclictest5378-21apt-get11:14:140
156919934332,0cyclictest12238-21ntp_states09:19:380
156919934272,0cyclictest11691-21ls11:40:300
156919934132,0cyclictest21320-21apt-get12:24:430
156919933994,0cyclictest9766-21kworker/u2:211:52:160
156919933927,0cyclictest27939-21apt-get10:29:430
1569199339107,0cyclictest28461-21kworker/u2:008:19:440
156919933881,0cyclictest2435-21ntpd08:25:020
156919933754,0cyclictest9323-21cut11:30:200
156919933583,0cyclictest31328-21df10:44:490
156919933528,0cyclictest2346-21snmpd12:13:120
156919933446,0cyclictest1146-21jbd2/sda1-812:29:590
156919933430,0cyclictest16068-21awk12:00:210
156919933129,0cyclictest29856-21ls08:14:160
156919933075,0cyclictest17902-21df_inode07:20:120
156919931673,0cyclictest15668-21latency_hist07:09:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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