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2023-06-06 - 11:22

x86 VIA Samuel 2 @533 MHz, Linux 3.18.9-rt4 (Profile)

Latency plot of system in rack #3, slot #7
Data to construct the above plot have been generated using the RT test utility cyclictest.
Command line: cyclictest -l100000000 -m -n -a0 -t1 -p98 -i200 -h1000 -q
Total number of samples: 100 million
Resolution of latency scale: reduced 
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 50 highest latencies:
System rack3slot7.osadl.org (updated Tue Jun 06, 2023 00:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140110ksoftirqd/02764-21kworker/0:119:03:450
12706213711sleep05525-21munin-node23:08:480
14991340watchdog/014754-21munin-node19:38:440
14991320watchdog/014197-21munin-node23:14:080
14991220watchdog/05018-21aten_r3power_po00:29:160
14991210watchdog/027596-21latency_hist23:58:320
14991200watchdog/09727-21nfs_client21:09:000
14991190watchdog/03178-21runrttasks19:18:280
14991190watchdog/025224-21needreboot23:49:040
14991180watchdog/024378-21latency20:09:040
14991180watchdog/017144-21sed23:23:320
14991170watchdog/03178-21runrttasks22:02:080
14991140watchdog/010402-21apt-get19:23:520
14991130watchdog/028627-21latency_hist22:13:320
14991130watchdog/016424-21munin-node23:19:120
14991120watchdog/017987-21chrt21:37:480
14991110watchdog/03178-21runrttasks20:20:440
961501010irq/14-ide05917-21df19:08:510
961501000irq/14-ide05368-21df22:43:500
261550930irq/11-eth03178-21runrttasks20:14:020
5529988929cyclictest6726-21munin-node22:49:070
261550880irq/11-eth029112-21latency_hist00:03:330
1499880watchdog/04953-21munin-node20:53:520
1499880watchdog/022650-21latency_hist21:53:320
261550860irq/11-eth013240-21chrt19:33:410
261550850irq/11-eth02200-21munin-node22:33:470
261550840irq/11-eth016751-21nfs_client19:44:020
1499840watchdog/08168-21cut22:53:320
1499830watchdog/030415-21aten_r3power_vo22:18:560
1499830watchdog/028439-21munin-node20:24:040
1499830watchdog/023411-21hostname23:43:560
1499830watchdog/021469-21ls19:59:080
5529988213cyclictest32399-21ntp_offset00:13:580
5529988013cyclictest31174-21munin-node20:33:510
5529988012cyclictest8253-21nfs_client21:03:580
5529988012cyclictest18455-21aten_r3power_vo21:38:560
3079428012sleep030803-21sed00:08:570
1830728011sleep018341-21processes19:49:020
1499800watchdog/02364-21cat20:44:080
1499800watchdog/010798-21mailstats21:13:480
5529987914cyclictest31900-21swap22:23:590
5529987914cyclictest29688-21munin-node20:29:070
5529987912cyclictest739-21nfs_client20:38:590
1499790watchdog/03748-21sendmail_mailtr22:38:480
1499790watchdog/0200672sleep019:54:120
5529987813cyclictest3532-21aten_r3power_po00:24:140
5529987812cyclictest6227-21nfs_client00:34:150
1499780watchdog/015923-21wc21:29:120
1499780watchdog/011415-21df23:03:560
1499780watchdog/010172-21munin-node22:59:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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