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2023-12-04 - 07:46
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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 100 highest latencies:
System rack3slot3.osadl.org (updated Mon Dec 04, 2023 00:46:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
120501160irq/42-ahci0-21swapper/819:08:2610
120501110irq/42-ahci0-21swapper/119:09:441
22098210995sleep90-21swapper/919:07:0111
22012210995sleep40-21swapper/419:05:576
22087210891sleep00-21swapper/019:06:520
22024210893sleep20-21swapper/219:06:064
1877950990irq/52-eth0-rx-0-21swapper/1019:05:332
1877950920irq/52-eth0-rx-0-21swapper/319:06:595
1877950880irq/52-eth0-rx-0-21swapper/1119:05:533
12050880irq/42-ahci0-21swapper/719:06:149
1877950870irq/52-eth0-rx-0-21swapper/519:05:197
2210826858sleep60-21swapper/619:07:108
22482996564cyclictest0-21swapper/022:10:390
2248299480cyclictest0-21swapper/022:17:560
22521993517cyclictest0-21swapper/1120:11:153
2252199350cyclictest0-21swapper/1122:16:353
22521993114cyclictest0-21swapper/1120:30:413
2252199310cyclictest0-21swapper/1122:09:453
2252199300cyclictest0-21swapper/1122:10:293
2250999240cyclictest0-21swapper/619:40:008
2250999240cyclictest0-21swapper/619:40:008
22521992322cyclictest24698-1kworker/11:1H19:18:473
22510992316cyclictest0-21swapper/723:21:289
2248299238cyclictest0-21swapper/020:30:420
22482992322cyclictest0-21swapper/020:10:350
22509992215cyclictest31477-21awk20:05:008
22509992215cyclictest31477-21awk20:05:008
2248299190cyclictest0-21swapper/019:15:530
22520991817cyclictest21731-1kworker/10:0H20:03:002
22520991817cyclictest21731-1kworker/10:0H20:03:002
22520991816cyclictest8944-21snmp_rack3slot921:51:522
22520991816cyclictest22933-21snmp_rack3slot920:35:242
22520991816cyclictest0-21swapper/1023:17:542
2252099181cyclictest1878050irq/53-eth0-tx-20:05:432
2252099181cyclictest1877950irq/52-eth0-rx-23:08:582
2252099181cyclictest1877950irq/52-eth0-rx-22:15:232
2252099181cyclictest1877950irq/52-eth0-rx-21:34:222
2252099181cyclictest178702chrt21:14:162
2252099181cyclictest12050irq/42-ahci23:01:392
2252099181cyclictest12050irq/42-ahci21:22:042
2252099181cyclictest12050irq/42-ahci21:17:242
2252099181cyclictest12050irq/42-ahci21:08:522
2252099181cyclictest12050irq/42-ahci20:24:302
2252099181cyclictest12050irq/42-ahci19:21:272
2252099181cyclictest115650irq/18-i801_smb22:45:532
2251999181cyclictest0-21swapper/923:35:1911
2251999181cyclictest0-21swapper/923:30:4211
2251999181cyclictest0-21swapper/923:30:4111
2251999181cyclictest0-21swapper/920:30:3311
2251999181cyclictest0-21swapper/920:15:3411
22498991816cyclictest8926-21snmp_rack3slot921:51:404
22498991816cyclictest3422-21snmp_easybox.os20:10:194
22498991816cyclictest2325-21snmpd21:46:014
22482991816cyclictest5733-21chrt19:27:060
22520991716cyclictest29329-21iostat_ios00:15:242
22520991716cyclictest0-21swapper/1000:35:182
22520991715cyclictest2712-21snmp_rack3slot900:26:292
22520991715cyclictest24334-21hddtemp_smartct21:25:182
22520991715cyclictest24165-21snmp_rack3slot922:25:182
22520991715cyclictest16254-21perl23:50:192
22520991715cyclictest1297-21perl20:50:222
2252099170cyclictest99032sleep1021:58:092
2252099170cyclictest97532sleep1023:36:312
2252099170cyclictest95122sleep1019:34:042
2252099170cyclictest94842sleep1022:53:392
2252099170cyclictest63282chrt20:13:082
2252099170cyclictest54932sleep1000:30:372
2252099170cyclictest52282sleep1021:45:552
2252099170cyclictest46412sleep1023:30:322
2252099170cyclictest46412sleep1023:30:322
2252099170cyclictest37772sleep1020:55:132
2252099170cyclictest31692chrt21:40:322
2252099170cyclictest302092chrt20:45:252
2252099170cyclictest27992chrt19:25:042
2252099170cyclictest266912chrt19:15:022
2252099170cyclictest261222sleep1000:07:002
2252099170cyclictest25582sleep1023:27:552
2252099170cyclictest25582sleep1023:27:552
2252099170cyclictest239052sleep1023:11:052
2252099170cyclictest223582sleep1000:00:462
2252099170cyclictest216062sleep1023:57:222
2252099170cyclictest1878050irq/53-eth0-tx-19:50:352
2252099170cyclictest1877950irq/52-eth0-rx-22:35:152
2252099170cyclictest1877950irq/52-eth0-rx-22:30:352
2252099170cyclictest1877950irq/52-eth0-rx-22:20:432
2252099170cyclictest1877950irq/52-eth0-rx-22:10:272
2252099170cyclictest1877950irq/52-eth0-rx-22:00:092
2252099170cyclictest1877950irq/52-eth0-rx-21:35:252
2252099170cyclictest1877950irq/52-eth0-rx-20:40:412
2252099170cyclictest1877950irq/52-eth0-rx-20:30:342
2252099170cyclictest1877950irq/52-eth0-rx-19:56:132
2252099170cyclictest1877950irq/52-eth0-rx-19:56:122
2252099170cyclictest1877950irq/52-eth0-rx-19:45:292
2252099170cyclictest1877950irq/52-eth0-rx-00:23:382
2252099170cyclictest171342sleep1020:26:342
2252099170cyclictest144112chrt22:06:582
2252099170cyclictest141622sleep1023:45:092
2252099170cyclictest137432chrt19:40:182
2252099170cyclictest12050irq/42-ahci23:22:582
2252099170cyclictest12050irq/42-ahci23:00:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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