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2023-09-23 - 10:41
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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 rack3slot0.osadl.org (updated Sat Sep 23, 2023 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
224224230,9sleep20-21swapper/219:08:362
3221124130,8sleep10-21swapper/119:04:421
212124130,8sleep60-21swapper/619:06:566
211124129,8sleep50-21swapper/519:06:475
215324029,8sleep70-21swapper/719:07:217
219523926,9sleep40-21swapper/419:07:584
210923927,8sleep30-21swapper/319:06:453
199323826,8sleep00-21swapper/019:05:130
131872350,0sleep70-21swapper/721:19:487
2434991816,2cyclictest0-21swapper/623:29:486
267362150,0sleep00-21swapper/023:34:570
2434991412,2cyclictest0-21swapper/621:20:596
2434991412,2cyclictest0-21swapper/600:06:256
244099130,1cyclictest16599-21cat00:14:507
2432991311,1cyclictest7948-21chrt19:17:504
243499129,2cyclictest21564-21nfsd422:29:556
2434991210,1cyclictest65-21ksoftirqd/619:24:296
2434991210,1cyclictest65-21ksoftirqd/619:24:296
244099119,1cyclictest73-21ksoftirqd/719:14:287
244099119,1cyclictest73-21ksoftirqd/719:14:287
243399119,1cyclictest25584-21ntp_offset00:29:525
243399119,1cyclictest25584-21ntp_offset00:29:525
243199119,1cyclictest41-21ksoftirqd/319:39:293
243199119,1cyclictest41-21ksoftirqd/319:39:293
243199110,10cyclictest0-21swapper/322:14:573
242899110,10cyclictest22187-21iostat_ios00:24:510
169662110,0sleep616971-21gltestperf20:29:506
244099103,6cyclictest0-21swapper/723:08:387
244099103,2cyclictest777-21snmpd21:58:457
244099103,1cyclictest777-21snmpd22:09:407
244099102,2cyclictest727-21nscd20:09:587
244099102,2cyclictest17665-21grep19:34:517
244099102,2cyclictest17665-21grep19:34:517
244099102,2cyclictest0-21swapper/721:13:237
244099102,2cyclictest0-21swapper/721:13:237
244099100,5cyclictest0-21swapper/719:48:077
244099100,5cyclictest0-21swapper/719:48:077
244099100,5cyclictest0-21swapper/700:10:297
244099100,5cyclictest0-21swapper/700:08:227
244099100,10cyclictest0-21swapper/721:08:197
243499109,1cyclictest65-21ksoftirqd/620:59:456
242899103,0cyclictest0-21swapper/019:46:270
242899103,0cyclictest0-21swapper/019:46:270
242899102,4cyclictest0-21swapper/019:14:280
242899102,4cyclictest0-21swapper/019:14:280
207952100,0sleep70-21swapper/723:24:557
24409993,2cyclictest777-21snmpd19:32:147
24409993,2cyclictest0-21swapper/721:16:447
24409993,1cyclictest777-21snmpd23:14:447
24409993,1cyclictest777-21snmpd23:03:207
24409993,1cyclictest777-21snmpd22:29:407
24409993,1cyclictest777-21snmpd19:21:087
24409993,1cyclictest777-21snmpd19:21:087
24409993,1cyclictest777-21snmpd19:17:357
24409993,1cyclictest777-21snmpd00:19:557
24409993,1cyclictest32322-21kernelversion19:59:517
24409993,1cyclictest0-21swapper/722:20:137
24409993,1cyclictest0-21swapper/722:20:137
24409993,1cyclictest0-21swapper/721:44:577
24409993,1cyclictest0-21swapper/721:44:577
24409992,2cyclictest5497-21date22:04:287
24409992,2cyclictest5497-21date22:04:287
24409992,1cyclictest777-21snmpd23:19:507
24409992,1cyclictest25713-21cat19:49:467
24409992,1cyclictest25545-21fschecks_time23:34:497
24409992,1cyclictest15368-21cpuspeed_turbos21:24:477
24409992,1cyclictest11775-21expr22:14:457
24409992,1cyclictest0-21swapper/719:24:487
24409992,1cyclictest0-21swapper/719:24:487
24409990,5cyclictest0-21swapper/722:38:137
24409990,4cyclictest0-21swapper/700:36:597
24409990,4cyclictest0-21swapper/700:29:257
24409990,3cyclictest0-21swapper/720:04:507
24409990,3cyclictest0-21swapper/700:29:497
24409990,3cyclictest0-21swapper/700:29:497
24409990,2cyclictest19559-21fschecks_count20:34:517
24409990,1cyclictest0-21swapper/722:54:487
24409990,1cyclictest0-21swapper/719:54:497
24409990,1cyclictest0-21swapper/719:54:497
24409990,0cyclictest0-21swapper/720:42:177
24349998,1cyclictest65-21ksoftirqd/622:41:236
24349998,1cyclictest65-21ksoftirqd/621:04:456
24349998,1cyclictest65-21ksoftirqd/620:54:536
24349998,1cyclictest65-21ksoftirqd/620:44:516
24349998,1cyclictest65-21ksoftirqd/620:44:516
24339995,3cyclictest57-21ksoftirqd/521:55:595
24329998,1cyclictest0-21swapper/423:54:544
24319999,0cyclictest0-21swapper/319:44:523
24319999,0cyclictest0-21swapper/319:44:523
24319997,1cyclictest41-21ksoftirqd/321:18:073
24319990,9cyclictest0-21swapper/321:11:343
24319990,9cyclictest0-21swapper/321:11:343
24299999,0cyclictest0-21swapper/119:09:501
24299999,0cyclictest0-21swapper/119:09:501
24409983,1cyclictest777-21snmpd20:34:017
24409983,1cyclictest7583-21/usr/sbin/munin20:15:017
24409983,1cyclictest25851-21/usr/sbin/munin22:39:537
24409982,2cyclictest0-21swapper/723:49:007
24409982,1cyclictest777-21snmpd22:54:207
24409982,1cyclictest777-21snmpd22:48:507
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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