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2023-06-06 - 12:16

ARM TI AM3354 @800 MHz, Linux 5.10.47-rt46 (Profile)

Latency plot of system in rack #4, slot #2
Data to construct the above plot have been generated using the RT test utility cyclictest.
Command line: cyclictest -l50000000 -m -n -a0 -t1 -p99 -i400 -h400 -q
Total number of samples: 50 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 rack4slot2.osadl.org (updated Tue Jun 06, 2023 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74501950,0irq/46-4a10000021942-21runrttasks19:00:450
222389913044,0cyclictest19350-21/usr/sbin/munin23:33:560
222389912933,0cyclictest21840-21df_inode22:08:190
222389912234,0cyclictest26939-21tune2fs20:48:210
222389912231,0cyclictest30364-21df22:33:180
222389912138,0cyclictest23651-21fschecks_count22:13:220
222389912132,0cyclictest8496-21sshd23:03:340
222389912131,0cyclictest706-21seq00:14:350
222389912130,0cyclictest5616-21chrt22:53:560
222389912034,0cyclictest5037-21sendmail_mailqu19:43:440
222389912034,0cyclictest21978-21df_abs23:43:140
222389911935,0cyclictest5184-21idleruntime00:28:400
222389911932,0cyclictest3549-21awk21:13:520
222389911931,0cyclictest9004-21chrt21:29:530
222389911929,0cyclictest2876-21fschecks_count19:38:210
222389911912,0cyclictest12142-21/usr/sbin/munin23:14:200
222389911844,0cyclictest655-21runrttasks21:06:480
222389911843,0cyclictest0-21swapper23:40:390
222389911842,0cyclictest12-21ksoftirqd/020:58:130
222389911837,0cyclictest10533-21/usr/sbin/munin23:08:500
222389911835,0cyclictest32149-21df_inode22:38:120
222389911835,0cyclictest3039-21aten_r4power_po00:23:110
222389911834,0cyclictest17249-21mailstats21:53:560
222389911833,0cyclictest1420-21meminfo19:33:390
222389911832,0cyclictest5552-21seq21:19:350
222389911832,0cyclictest22664-21df_inode19:03:130
222389911831,0cyclictest28734-21/usr/sbin/munin19:18:390
222389911812,0cyclictest6861-21meminfo22:58:360
222389911810,0cyclictest25603-21meminfo22:18:400
222389911748,0cyclictest12-21ksoftirqd/020:02:590
222389911734,0cyclictest14183-21seq21:45:060
222389911733,0cyclictest25302-21runrttasks19:08:500
222389911730,0cyclictest22667-21runrttasks20:35:250
222389911729,0cyclictest7620-21chrt21:27:360
222389911728,0cyclictest16996-21fw_conntrack23:28:290
222389911728,0cyclictest15633-21runrttasks20:14:030
222389911726,0cyclictest3968-21chrt22:49:320
222389911711,0cyclictest29818-21seq19:23:000
222389911638,0cyclictest1043-21aten_r4power_vo21:08:080
222389911632,0cyclictest21201-21seq20:32:400
222389911631,0cyclictest17701-21seq20:22:000
222389911630,0cyclictest29214-21nfs4_client00:03:430
222389911630,0cyclictest20121-21df_abs22:03:540
222389911629,0cyclictest29881-21chrt22:32:080
222389911628,0cyclictest2449-21seq00:19:470
222389911627,0cyclictest18159-21seq20:23:100
222389911626,0cyclictest9888-21/usr/sbin/munin19:58:300
222389911626,0cyclictest11474-21/usr/sbin/munin21:38:150
222389911611,0cyclictest27448-21/usr/sbin/munin22:23:510
222389911532,0cyclictest15599-21/usr/sbin/munin23:23:480
222389911530,0cyclictest31609-21runrttasks00:11:000
222389911529,0cyclictest354-21chrt19:30:320
222389911529,0cyclictest23636-21irqstats20:38:310
222389911529,0cyclictest15994-21runrttasks21:50:550
222389911527,0cyclictest23903-21runrttasks23:48:320
222389911526,0cyclictest10150-21seq21:33:380
222389911524,0cyclictest27597-21chrt19:14:450
222389911522,0cyclictest26830-21runrttasks23:57:520
222389911511,0cyclictest28212-21sed20:52:500
222389911444,0cyclictest12-21ksoftirqd/022:43:400
222389911433,0cyclictest26400-21basename20:47:460
222389911432,0cyclictest71252chrt19:49:440
222389911426,0cyclictest25128-21seq23:52:570
222389911426,0cyclictest14151-21runrttasks20:11:060
222389911324,0cyclictest18479-21grep21:58:250
222389911227,0cyclictest13329-21seq23:18:170
222389911226,0cyclictest8835-21seq19:54:370
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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