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2020-12-02 - 14:05

ARMv7 Processor rev 2 (v7l), Linux 4.9.47-rt37 (Profile)

Latency plot of system in rack #7, slot #8
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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack7slot8.osadl.org (updated Wed Dec 02, 2020 12:45:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2718727970,8sleep036-21kswapd007:05:390
280789912337,30cyclictest29822-21copy11:35:420
280789912230,32cyclictest16685-21perl09:20:330
280789912126,50cyclictest15792-21rm11:56:590
280789912035,42cyclictest29598-21apt-get12:16:380
280789911930,44cyclictest8256-21diskmemload09:46:540
280789911823,34cyclictest12219-21apt-get07:55:030
280789911736,24cyclictest2781-21snmpd09:13:130
280789911727,45cyclictest8256-21diskmemload12:08:120
280789911724,48cyclictest8256-21diskmemload09:40:140
280789911639,31cyclictest8256-21diskmemload11:46:150
280789911627,44cyclictest8256-21diskmemload11:28:100
280789911626,47cyclictest8256-21diskmemload12:37:500
280789911527,64cyclictest8256-21diskmemload12:01:230
280789911523,34cyclictest4571-21apt-get07:36:160
280789911451,26cyclictest31906-21kworker/0:111:08:470
280789911437,31cyclictest8256-21diskmemload12:29:040
280789911428,43cyclictest8256-21diskmemload12:11:420
280789911426,32cyclictest18659-21munin-node0
280789911424,46cyclictest8256-21diskmemload12:23:330
280789911424,46cyclictest8256-21diskmemload10:01:110
280789911336,33cyclictest32534-21runrttasks10:58:240
280789911335,31cyclictest8256-21diskmemload09:38:320
280789911333,43cyclictest17156-21kworker/0:109:30:290
280789911325,29cyclictest12404-21grep09:15:240
280789911239,29cyclictest8256-21diskmemload11:24:010
280789911235,32cyclictest25644-21rm10:50:190
280789911226,44cyclictest8256-21diskmemload10:11:460
280789911225,44cyclictest8256-21diskmemload10:08:270
280789911225,29cyclictest4573-21munin-run07:35:010
280789911224,64cyclictest12591-21ssh11:53:310
280789911139,27cyclictest8256-21diskmemload09:29:200
280789911135,24cyclictest10253-21munin-run07:50:000
280789911131,44cyclictest5100-21munin-node0
280789911125,43cyclictest8256-21diskmemload10:15:070
280789911124,47cyclictest2460-21runrttasks11:01:370
280789911038,51cyclictest7750irq/174-4a1000011:11:490
280789911038,27cyclictest17979-21ssh10:40:480
280789910939,44cyclictest23276-21ssh10:47:050
280789910937,28cyclictest8256-21diskmemload11:42:120
280789910935,53cyclictest7750irq/174-4a1000009:52:140
280789910839,48cyclictest7750irq/174-4a1000010:20:070
280789910738,49cyclictest7750irq/174-4a1000011:16:020
280789910722,30cyclictest29258-21latency_hist08:40:020
280789910629,56cyclictest29179-21chrt07:11:150
280789910629,41cyclictest12870-21kworker/0:210:36:340
280789910623,29cyclictest20392-21awk08:15:230
280789910534,51cyclictest7750irq/174-4a1000010:31:150
280789910533,30cyclictest11700-21ssh09:55:100
280789910528,42cyclictest12681-21kworker/0:212:34:550
280789910527,55cyclictest8256-21diskmemload11:32:500
280789910423,28cyclictest7965-21modprobe09:08:130
280789910122,39cyclictest2723-21apt-get07:30:030
28078999935,18cyclictest31326-21wget08:45:080
28078999920,29cyclictest31291-21munin-run07:20:010
28078999829,45cyclictest16293-21modprobe08:05:150
28078999820,27cyclictest14059-21munin-run08:00:020
28078999726,49cyclictest24274-21runrttasks08:25:230
28078999724,32cyclictest14710-21irqstats08:00:210
28078999616,27cyclictest7226-21ntpq07:40:260
28078999528,31cyclictest23561-21latency_hist08:25:020
28078999462,19cyclictest1250-21munin-node0
28078999457,25cyclictest4554-21munin-node0
28078999442,38cyclictest30059-21munin-node0
28078999342,39cyclictest27318-21chrt08:34:440
28078999247,34cyclictest3610-21munin-node0
28078998817,33cyclictest2781-21snmpd07:22:500
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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