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2023-05-28 - 21:06

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 376 highest latencies:
System rack3slot7.osadl.org (updated Sun May 28, 2023 12:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140130ksoftirqd/017608-21kworker/0:007:04:150
187919815818cyclictest27132-21head07:34:320
187919815812cyclictest26410-21df11:09:250
187919815712cyclictest17242-21nfs_client08:49:380
187919815512cyclictest3910-21munin-node09:54:170
187919815413cyclictest3178-21runrttasks09:21:410
187919815013cyclictest7258-21munin-node11:54:290
187919815012cyclictest3178-21runrttasks12:22:100
187919814912cyclictest10795-21munin-node08:29:360
187919814712cyclictest3178-21runrttasks10:03:450
187919814712cyclictest16233-21munin-node12:24:160
187919814613cyclictest8308-21mailstats10:09:160
187919814514cyclictest3178-21runrttasks10:39:500
187919814514cyclictest11730-21nfs_client10:19:300
187919814513cyclictest9773-21munin-node10:14:290
187919814513cyclictest2295-21awk07:59:290
187919814513cyclictest18026-21df_inode12:29:310
187919814512cyclictest3178-21runrttasks11:32:010
187919814512cyclictest24738-21munin-node11:04:310
187919814512cyclictest1581-21df_inode11:34:290
187919814414cyclictest2750-21munin-node11:39:310
187919814414cyclictest13569-21wget10:24:380
187919814412cyclictest22043-21munin-node07:19:290
187919814412cyclictest2121-21runrttasks09:48:540
187919814412cyclictest13817-21mailstats08:39:150
187919814411cyclictest18262-21munin-node08:54:220
187919814314cyclictest6291-21awk11:49:340
187919814313cyclictest4463-21awk11:44:220
187919814313cyclictest22034-21df_inode10:54:260
187919814313cyclictest20649-21unixbench_singl10:49:280
187919814313cyclictest18787-21munin-node07:09:050
187919814312cyclictest30630-21unixbench_singl09:34:290
187919814312cyclictest13233-21runrttasks08:35:350
187919814312cyclictest10249-21munin-node12:04:240
187919814214cyclictest29344-21munin-node11:19:170
187919814212cyclictest32189-21munin-node09:39:320
187919814212cyclictest31350-21cpuspeed11:24:380
187919814212cyclictest21414-21df09:04:220
187919814212cyclictest21277-21aten_r3power_en07:14:370
187919814212cyclictest19353-21needreboot10:44:450
187919814212cyclictest13232-21munin-node12:14:460
187919814211cyclictest9959-21timerandwakeup08:24:360
187919814211cyclictest22820-21aten_r3power_cu09:09:150
187919814115cyclictest24211-21ls07:24:350
187919814113cyclictest19518-21df_inode12:34:280
187919814113cyclictest1651-21sendmail07:58:590
187919814112cyclictest8769-21munin-node11:59:300
187919814112cyclictest5729-21runrttasks08:10:180
187919814112cyclictest28233-21latency_hist07:39:010
187919814014cyclictest11966-21munin-node12:09:240
187919814013cyclictest3178-21runrttasks10:59:580
187919814013cyclictest3178-21runrttasks10:32:540
187919814013cyclictest3178-21runrttasks07:33:180
187919813914cyclictest15290-21munin-node08:44:270
187919813913cyclictest31252-21munin-node07:49:320
187919813913cyclictest27798-21vmstat09:24:340
187919813912cyclictest3178-21runrttasks09:29:130
187919813911cyclictest28275-21needreboot11:14:350
187919813814cyclictest29802-21aten_r3power_cu07:44:170
187919813813cyclictest8510-21latency08:19:370
187919813813cyclictest16396-21timerandwakeup10:34:370
187919813812cyclictest3400-21mailstats08:04:200
187919813812cyclictest19790-21munin-node08:59:320
187919813811cyclictest24916-21timerandwakeup09:14:380
187919813712cyclictest6792-21munin-node10:04:420
187919813712cyclictest2718-21nfs_client09:49:290
187919813611cyclictest6568-21ntp_offset08:14:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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