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2024-04-19 - 16:43
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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 highest latencies:
System rackcslot2.osadl.org (updated Fri Apr 19, 2024 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
169052730,0sleep10-21swapper/122:38:171
224627057,8sleep10-21swapper/119:01:561
222626754,9sleep00-21swapper/019:01:450
167152660,0sleep00-21swapper/021:05:140
2722992011,3cyclictest24-21ksoftirqd/123:15:091
272299199,3cyclictest24-21ksoftirqd/120:00:001
2722991912,3cyclictest10435-21apache_accesses19:25:121
2722991911,3cyclictest7508-21apache_volume22:25:121
2722991911,3cyclictest24-21ksoftirqd/121:10:121
2722991911,3cyclictest17414-21apache_accesses00:15:091
2722991910,3cyclictest16201-21apache_processe23:25:101
272299188,3cyclictest24-21ksoftirqd/119:10:101
2722991813,1cyclictest24-21ksoftirqd/121:05:121
2722991811,2cyclictest29898-21df_inode20:15:131
2722991811,2cyclictest21302-21hddtemp_smartct00:20:151
2722991810,8cyclictest0-21swapper/120:50:051
2722991810,3cyclictest14579-21apache_accesses21:00:121
25142180,0sleep10-21swapper/123:05:101
285012170,1sleep10-21swapper/120:10:181
272299178,3cyclictest24-21ksoftirqd/123:22:051
272299178,3cyclictest24-21ksoftirqd/119:50:191
272299177,3cyclictest24-21ksoftirqd/100:30:151
2722991716,1cyclictest1322-21ssh23:02:291
2722991711,3cyclictest7815-21apache_processe00:00:131
2722991711,3cyclictest24-21ksoftirqd/122:00:151
2722991711,2cyclictest2078-21users22:15:231
2722991711,1cyclictest27313-21apache_accesses21:20:121
2722991710,3cyclictest5391-21apache_processe21:35:111
2722991710,3cyclictest26601-21ntp_states20:05:171
2722991710,3cyclictest24-21ksoftirqd/121:52:011
2722991710,3cyclictest24-21ksoftirqd/119:30:191
2722991710,3cyclictest18442-21irqstats22:40:151
2722991710,3cyclictest18101-21apache_accesses19:45:101
2722991710,2cyclictest6487-21irqstats23:10:181
2722991710,1cyclictest24-21ksoftirqd/121:30:471
2722991710,1cyclictest14512-21irqstats00:10:191
2722991710,0cyclictest0-21swapper/122:55:281
2721991716,1cyclictest12431-21ssh22:30:460
2721991711,5cyclictest28687-21kworker/0:123:13:340
272299169,1cyclictest91rcu_preempt21:55:141
272299169,1cyclictest91rcu_preempt20:55:461
272299169,1cyclictest24-21ksoftirqd/121:45:141
272299169,1cyclictest24-21ksoftirqd/100:05:191
272299168,3cyclictest27491-21rt-features23:40:211
272299167,3cyclictest24-21ksoftirqd/123:30:161
272299167,3cyclictest24-21ksoftirqd/122:05:181
2722991616,0cyclictest11125-21ssh21:42:351
2722991616,0cyclictest0-21swapper/122:30:241
2722991615,1cyclictest31528-21ssh22:11:501
2722991614,1cyclictest231ktimersoftd/120:35:121
2722991613,1cyclictest24-21ksoftirqd/120:20:191
2722991613,1cyclictest24-21ksoftirqd/120:20:191
2722991611,3cyclictest24-21ksoftirqd/121:25:401
2722991611,2cyclictest4290-21apache_volume23:55:111
2722991610,6cyclictest0-21swapper/119:38:521
2722991610,2cyclictest7884-21users19:15:271
2722991610,2cyclictest4177-21apache_volume22:20:091
2722991610,2cyclictest16395-21df19:40:121
2721991616,0cyclictest10304-21ssh22:29:120
2721991615,1cyclictest32352-21ssh23:00:180
2721991615,1cyclictest20788-21ssh21:55:340
2721991614,1cyclictest7457-21ssh21:37:040
272299159,2cyclictest2960-21diskstats19:05:121
272299159,1cyclictest24-21ksoftirqd/123:49:191
272299158,2cyclictest24-21ksoftirqd/121:15:441
272299158,1cyclictest24-21ksoftirqd/123:35:151
272299158,1cyclictest24-21ksoftirqd/122:50:221
272299158,1cyclictest24-21ksoftirqd/120:00:101
272299157,3cyclictest584-21in:imuxsock20:45:001
272299157,1cyclictest24-21ksoftirqd/120:30:511
2722991515,0cyclictest0-21swapper/100:25:201
2722991511,4cyclictest0-21swapper/119:22:241
2722991510,1cyclictest8811-21apache_volume20:45:091
2721991515,0cyclictest0-21swapper/023:53:550
2721991515,0cyclictest0-21swapper/021:23:140
2721991515,0cyclictest0-21swapper/019:14:470
2721991514,1cyclictest11082-21ssh00:05:120
2721991514,0cyclictest16205-21apache_volume23:25:110
277802140,0sleep00-21swapper/000:30:060
272299147,3cyclictest24-21ksoftirqd/122:45:191
272299146,3cyclictest24-21ksoftirqd/120:25:111
2722991413,0cyclictest24-21ksoftirqd/123:55:001
2721991414,0cyclictest26660-21ssh21:19:000
2721991414,0cyclictest26306-21ssh22:51:030
2721991414,0cyclictest0-21swapper/020:24:350
2721991414,0cyclictest0-21swapper/020:24:350
2721991412,2cyclictest18262-21apache222:20:450
2721991412,2cyclictest15010-21ssh00:10:250
2721991412,1cyclictest793-21sendmail-mta22:11:060
2721991412,1cyclictest633-21nscd23:17:470
2721991412,1cyclictest21332sleep022:15:310
2721991412,1cyclictest18879-21ssh21:54:250
2721991412,1cyclictest18253-21apache200:25:110
2721991412,1cyclictest0-21swapper/022:40:140
2721991411,2cyclictest93750irq/100-eth0-rx00:00:380
2721991411,2cyclictest93650irq/99-eth0-rx-23:30:120
2721991411,2cyclictest18253-21apache223:22:030
2721991410,3cyclictest0-21swapper/022:58:200
2721991410,0cyclictest0-21swapper/021:27:550
2721991313,0cyclictest0-21swapper/000:22:490
2721991312,1cyclictest798-21apache219:30:320
2721991312,1cyclictest18262-21apache220:00:330
2721991312,1cyclictest18253-21apache223:37:310
2721991312,1cyclictest18253-21apache221:40:230
2721991312,1cyclictest18253-21apache221:10:220
2721991312,1cyclictest18253-21apache219:20:130
2721991312,1cyclictest18253-21apache219:06:480
2721991312,1cyclictest10606-21snmpd23:55:280
2721991311,2cyclictest93750irq/100-eth0-rx23:45:060
2721991311,1cyclictest18253-21apache220:50:090
2721991311,1cyclictest18253-21apache220:45:090
2721991311,1cyclictest14820-21fschecks_count21:00:140
2721991310,3cyclictest0-21swapper/023:41:060
2721991310,3cyclictest0-21swapper/022:02:290
2721991310,3cyclictest0-21swapper/021:45:250
2721991310,3cyclictest0-21swapper/021:33:430
2721991310,3cyclictest0-21swapper/020:43:160
2721991310,3cyclictest0-21swapper/019:15:100
2721991310,3cyclictest0-21swapper/000:15:210
2721991310,2cyclictest93750irq/100-eth0-rx20:25:170
2721991310,2cyclictest93650irq/99-eth0-rx-19:50:190
2721991310,2cyclictest0-21swapper/020:10:150
2721991310,1cyclictest93750irq/100-eth0-rx23:05:150
2721991310,1cyclictest93750irq/100-eth0-rx22:45:190
2721991310,0cyclictest32450-21kworker/u4:222:35:470
2721991310,0cyclictest0-21swapper/022:05:220
2721991211,1cyclictest18253-21apache219:40:180
2721991211,1cyclictest18253-21apache219:25:150
2721991210,2cyclictest0-21swapper/020:05:010
2721991210,2cyclictest0-21swapper/019:45:130
2721991210,1cyclictest5372-21idleruntime20:35:150
2721991210,1cyclictest0-21swapper/020:30:150
2721991210,1cyclictest0-21swapper/020:15:140
2721991210,1cyclictest0-21swapper/019:55:200
2721991210,1cyclictest0-21swapper/019:35:110
2721991210,0cyclictest0-21swapper/020:56:400
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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