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2023-05-28 - 22:07

x86 AMD Geode @500 MHz, Linux 4.9.47-rt37-geode (Profile)

Latency plot of system in rack #4, slot #3
Data to construct the above plot have been generated using the RT test utility cyclictest.
Command line: cyclictest -l100000000 -m -n -a0 -t1 -p99 -i200 -h400 -q
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack4slot3.osadl.org (updated Sun May 28, 2023 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
246789915215,127cyclictest971-21runrttasks08:11:250
246789914814,38cyclictest7927-21munin-node11:51:420
246789914414,121cyclictest3549-21runrttasks07:51:390
246789914213,120cyclictest3549-21runrttasks10:56:410
246789914114,62cyclictest742-21aten_r4power_vo13:11:050
246789914019,18cyclictest3233-21snmpd11:30:300
246789913915,24cyclictest6316-21sensors11:46:420
246789913914,115cyclictest9384-21processes10:16:400
246789913816,50cyclictest8834-21wget11:56:010
246789913815,114cyclictest19115-21processes10:46:390
246789913716,49cyclictest20023-21munin-node10:51:470
246789913714,113cyclictest8643-21basename08:35:590
246789913614,62cyclictest31109-21runrttasks13:03:530
246789913614,61cyclictest27792-21runrttasks09:34:450
246789913614,54cyclictest434-21munin-node09:51:530
246789913515,53cyclictest18308-21munin-node09:06:280
246789913515,49cyclictest5419-21munin-node10:06:040
246789913514,61cyclictest16049-21runrttasks12:16:420
246789913414,63cyclictest28641-21proc_pri07:56:380
246789913317,53cyclictest22310-21needreboot12:36:330
246789913314,56cyclictest22089-21munin-node09:16:270
246789913115,31cyclictest32344-21munin-node13:06:510
246789912915,53cyclictest21445-21sshd12:34:280
246789912814,53cyclictest3549-21runrttasks12:56:390
246789912814,52cyclictest11418-21sshd08:43:280
246789912715,53cyclictest29757-21munin-node11:21:570
246789912715,28cyclictest15625-21munin-node08:56:260
246789912621,46cyclictest2856-21munin-node11:36:350
246789912614,61cyclictest3708-21munin-node08:21:490
246789912515,54cyclictest4517-21ntp_kernel_pll_11:41:320
246789912514,52cyclictest3233-21snmpd10:29:580
246789912415,23cyclictest18276-21munin-run10:45:440
24678999614,73cyclictest4051-21fschecks_count10:01:130
24678999515,70cyclictest3011-21timerandwakeup09:56:480
2365529417,54sleep023674-21ntp_states07:41:160
24678999315,68cyclictest13810-21munin-node12:11:070
24678999114,68cyclictest30387-21switchtime08:01:400
24678999014,67cyclictest5400-21aten_r4power_po08:25:580
24678998914,66cyclictest32766-21seq09:50:390
24678998914,66cyclictest32200-21users08:06:510
24678998914,65cyclictest7078-21aten_r4power_en10:11:020
24678998913,66cyclictest7904-21unixbench_singl08:31:440
24678998814,65cyclictest20651-21munin-node09:11:480
24678998715,63cyclictest29657-21munin-node09:41:230
24678998714,64cyclictest3549-21runrttasks12:05:080
24678998714,64cyclictest25637-21timerwakeupswit07:46:400
24678998616,59cyclictest28387-21munin-node11:16:120
24678998614,63cyclictest16682-21munin-node09:01:290
24678998414,61cyclictest24100-21timerwakeupswit09:21:490
24678998414,38cyclictest12547-21munin-node12:06:300
24678998314,60cyclictest28723-21open_inodes09:36:410
24678998314,60cyclictest23407-21aten_r4power_po12:41:000
24678998314,37cyclictest18488-21munin-node12:26:260
24678998314,36cyclictest12917-21sshd08:47:280
24678998115,56cyclictest3549-21runrttasks09:26:190
24678998014,56cyclictest25620-21ntp_states12:46:330
24678998014,56cyclictest15157-21munin-node10:36:190
2325828014,53sleep023309-21wget11:00:590
24678997914,34cyclictest27581-21unixbench_singl12:51:590
24678997914,32cyclictest17752-21timerandwakeup12:21:450
24678997715,52cyclictest13732-21diskstats10:31:050
24678997615,52cyclictest2010-21munin-node08:16:460
24678997614,52cyclictest905-21smartctl11:31:140
24678997519,48cyclictest26569-21cut11:11:020
24678997517,48cyclictest10-21rcuc/010:20:540
24678997416,48cyclictest24890-21munin-node11:06:350
24678997415,49cyclictest13656-21diskstats08:51:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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