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2023-03-25 - 23:50

ARM TI OMAP3359 @1000 MHz, Linux 4.19.94-rt39 (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 -Sp99 -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 alll highest latencies:
System rack7slot8 (updated Sat Mar 25, 2023 13:44:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1526213820,12sleep01524-21ntp_states07:05:430
23289916334,31cyclictest9743-21runrttasks07:39:580
2328991618,18cyclictest26226-21apt-get10:57:090
23289916154,17cyclictest1520-21sshd11:21:410
23289915651,20cyclictest30466-21aten_r7power_en11:10:140
23289915519,21cyclictest32297-21latency_hist09:10:090
23289915253,17cyclictest20175-21aten_r7power_en10:30:150
23289914657,10cyclictest101ktimersoftd/007:45:400
23289914224,18cyclictest18660-21sh12:30:440
23289913735,35cyclictest24002sleep009:18:340
26469211719,85sleep026466-21ntp_states08:45:440
20074211012,81sleep020087-21/usr/sbin/munin08:20:250
512321076,12sleep05126-21df_inode07:20:210
2166621074,11sleep021668-21/usr/sbin/munin10:35:320
1685321076,12sleep016905-21wc10:15:520
1794921067,87sleep017951-21irqstats10:20:320
1409421057,84sleep027452-21snmpd10:05:180
756821025,84sleep07585-21df07:30:170
800221015,82sleep08003-21irqstats09:40:380
1320121016,78sleep013242-21mailstats10:00:480
47821006,80sleep0498-21/usr/sbin/munin09:11:000
39221005,82sleep0423-21date11:20:080
287912994,12sleep028793-21fw_forwarded_lo08:55:300
68672975,82sleep06913-21processes09:35:450
293772974,77sleep029375-21diskstats11:05:220
224162975,79sleep022444-21aten_r7power_vo08:30:170
131452970,6sleep013147-21sh12:10:010
167392946,76sleep016109-21/usr/sbin/munin08:05:540
187992935,75sleep018800-21diskstats08:15:230
73462915,75sleep07347-21irqstats11:45:320
2328999140,33cyclictest14738-21munin-run08:00:010
99292905,11sleep09927-21ntp_states11:55:430
29702904,74sleep00-21swapper/011:28:090
39682855,69sleep03958-21/usr/sbin/munin09:25:150
2328998544,28cyclictest3650irq/20-4900000011:30:300
2328998424,42cyclictest0-21swapper/008:00:060
2328998351,22cyclictest6399-21sshd07:25:270
2328998345,26cyclictest0-21swapper/008:40:240
2328998251,22cyclictest11908-21cron12:05:010
2328998251,14cyclictest10150irq/55-4a10000010:45:250
2328998214,19cyclictest1317-21runrttasks12:14:260
2328998143,27cyclictest0-21swapper/012:25:130
2328998039,27cyclictest3650irq/20-4900000012:15:150
2328998039,27cyclictest3650irq/20-4900000010:50:250
2328997960,12cyclictest101ktimersoftd/010:40:480
2328997944,27cyclictest0-21swapper/011:35:230
2328997929,16cyclictest10250irq/56-4a10000009:52:190
2328997850,12cyclictest10150irq/55-4a10000010:25:280
2328997847,15cyclictest10150irq/55-4a10000010:10:430
2328997835,30cyclictest101ktimersoftd/009:55:340
2328997825,20cyclictest5654-21nginx07:14:570
2328997818,14cyclictest10150irq/55-4a10000009:48:530
2328997760,10cyclictest101ktimersoftd/008:10:430
2328997755,10cyclictest101ktimersoftd/007:40:280
2328997754,16cyclictest6327-21wc09:35:020
2328997735,25cyclictest0-21swapper/008:50:400
2328997732,28cyclictest3992-21netstat07:15:360
2328997653,16cyclictest7020-21cat11:45:040
2328997650,13cyclictest101ktimersoftd/007:50:190
2328997634,26cyclictest3650irq/20-4900000012:20:320
2328997628,30cyclictest8463-21cpuspeed11:50:180
2328997544,14cyclictest10150irq/55-4a10000012:35:420
2328997542,24cyclictest3116-21ntp_states09:20:440
2328997524,44cyclictest0-21swapper/011:01:440
2328997434,28cyclictest0-21swapper/008:35:120
2328997347,18cyclictest21087-21sshd08:25:080
2328997323,17cyclictest30469-21sshd09:01:080
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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