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2023-12-10 - 14:24
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 50 highest latencies:
System rack3slot3.osadl.org (updated Sun Dec 10, 2023 12:46:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18779501120irq/52-eth0-rx-0-21swapper/107:09:211
26283210993sleep80-21swapper/807:07:3410
26133210891sleep00-21swapper/007:05:490
120501050irq/42-ahci0-21swapper/207:05:234
1877950940irq/52-eth0-rx-0-21swapper/907:05:1911
1877950910irq/52-eth0-rx-0-21swapper/1107:08:053
1878050870irq/53-eth0-tx-0-21swapper/507:06:467
12050860irq/42-ahci0-21swapper/307:08:335
2645328378sleep70-21swapper/707:09:099
12050720irq/42-ahci0-21swapper/407:05:026
2633026758sleep100-21swapper/1007:08:122
2623526653sleep60-21swapper/607:06:558
26632993817cyclictest0-21swapper/009:09:090
26632993817cyclictest0-21swapper/009:09:090
26632992219cyclictest0-21swapper/010:13:070
2663299210cyclictest0-21swapper/007:22:530
2666799192cyclictest20782sleep1012:26:122
2666699192cyclictest0-21swapper/909:40:0311
26667991817cyclictest1434-1kworker/10:0H07:36:202
26667991816cyclictest7860-21snmp_easybox.os11:05:272
26667991816cyclictest19274-21snmp_rack3slot907:40:252
26667991816cyclictest11522-21snmp_rack3slot907:30:302
2666799181cyclictest12050irq/42-ahci08:47:382
2666699181cyclictest28416-21kworker/9:010:30:0011
2666699181cyclictest0-21swapper/912:30:2111
2666699181cyclictest0-21swapper/909:38:2411
2666699181cyclictest0-21swapper/909:15:2111
2666699181cyclictest0-21swapper/907:20:2911
26649991816cyclictest2325-21snmpd12:20:554
26649991816cyclictest2325-21snmpd12:20:544
26649991816cyclictest2325-21snmpd08:31:084
26649991816cyclictest2325-21snmpd08:31:084
2666799175cyclictest0-21swapper/1009:45:012
26667991716cyclictest30444-21snmp_rack3slot911:35:572
26667991716cyclictest1434-1kworker/10:0H09:27:332
26667991716cyclictest12832sleep1010:57:012
26667991716cyclictest0-21swapper/1009:15:342
26667991715cyclictest8586-21perl08:10:232
26667991715cyclictest6995-21snmp_easybox.os07:25:222
26667991715cyclictest5522-21perl08:50:192
26667991715cyclictest16493-21perl09:05:262
26667991715cyclictest16493-21perl09:05:252
26667991715cyclictest16341-21snmp_rack3slot912:01:352
2666799170cyclictest95042sleep1012:37:112
2666799170cyclictest79052sleep1009:39:402
2666799170cyclictest68802sleep1008:08:412
2666799170cyclictest59752sleep1012:33:352
2666799170cyclictest52072sleep1011:04:012
2666799170cyclictest32882chrt11:45:172
2666799170cyclictest322982sleep1008:42:452
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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