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2023-06-01 - 23:32

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 all highest latencies:
System rack7slot8 (updated Thu Jun 01, 2023 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29331225147,63sleep00-21swapper/019:07:180
673421076,12sleep06747-21awk19:46:020
297179910683,12cyclictest0-21swapper/019:10:050
328221046,11sleep027452-21snmpd19:33:210
297179910257,28cyclictest101ktimersoftd/000:18:130
297179910057,27cyclictest101ktimersoftd/020:18:120
35132985,11sleep03516-21df21:40:280
315442986,16sleep030352-21apt-get23:31:560
29717999839,43cyclictest10250irq/56-4a10000019:41:240
233242985,12sleep023330-21ntp_states20:50:460
87012976,11sleep08732-21irqstats00:11:040
29717999767,15cyclictest101ktimersoftd/021:47:410
29717999751,29cyclictest101ktimersoftd/019:52:090
29717999652,28cyclictest101ktimersoftd/020:20:250
29717999539,45cyclictest0-21swapper/021:35:140
73162945,12sleep07319-21df_inode00:05:210
29717999449,30cyclictest3650irq/20-4900000021:05:270
29717999369,11cyclictest101ktimersoftd/020:05:180
29717999232,48cyclictest5654-21nginx23:39:220
29717999152,24cyclictest101ktimersoftd/021:30:530
29717999132,47cyclictest0-21swapper/021:17:230
2971799907,45cyclictest1267-21ntpq23:40:440
29717999062,11cyclictest101ktimersoftd/020:35:310
29717999049,24cyclictest101ktimersoftd/020:15:030
29717998945,29cyclictest31891-21wc21:25:020
29717998941,32cyclictest10250irq/56-4a10000000:33:430
29717998937,33cyclictest25620-21runrttasks21:00:190
185272890,7sleep018525-21sendmail_mailtr20:30:560
29717998631,16cyclictest32253-21/usr/sbin/munin21:25:350
29717998559,10cyclictest101ktimersoftd/021:10:460
29717998542,28cyclictest53752sleep023:57:150
29717998541,29cyclictest3650irq/20-4900000022:06:110
29717998522,16cyclictest26594-21latency_hist23:15:030
29717998454,16cyclictest20220-21runrttasks22:48:430
61802838,61sleep0101ktimersoftd/000:00:340
29717998348,25cyclictest0-21swapper/022:50:250
29717998342,26cyclictest101ktimersoftd/023:20:270
29717998338,36cyclictest12319-21sshd00:22:080
29717998335,31cyclictest1335-21sshd22:36:420
29717998234,33cyclictest101ktimersoftd/022:17:080
2971799816,40cyclictest11290-21latency_hist20:05:030
29717998153,13cyclictest101ktimersoftd/019:17:050
29717998150,13cyclictest10150irq/55-4a10000023:45:330
2971799809,20cyclictest24580-21ntp_states20:55:500
29717998052,12cyclictest10150irq/55-4a10000021:50:470
29717998042,28cyclictest0-21swapper/021:55:190
29717998037,28cyclictest101ktimersoftd/020:45:360
327362796,61sleep032737-21ntp_states19:20:560
29717997950,12cyclictest10150irq/55-4a10000022:20:370
29717997949,15cyclictest10150irq/55-4a10000019:25:420
29717997943,26cyclictest10990-21ps22:10:480
29717997939,24cyclictest0-21swapper/000:36:580
29717997926,43cyclictest9386-21munin-run22:05:020
29717997925,16cyclictest23436-21pluginstate23:00:450
29717997846,16cyclictest10150irq/55-4a10000022:35:010
29717997827,17cyclictest9208-21interrupts19:55:350
29717997756,13cyclictest101ktimersoftd/020:25:300
29717997748,13cyclictest10150irq/55-4a10000020:40:430
29717997747,13cyclictest10150irq/55-4a10000023:15:210
29717997736,23cyclictest0-21swapper/023:25:410
2971799766,34cyclictest18344-21memory22:40:400
29717997647,13cyclictest10150irq/55-4a10000022:25:420
139392765,13sleep00-21swapper/000:30:000
29717997549,18cyclictest22892-21latency_hist23:00:030
29717997454,12cyclictest101ktimersoftd/023:50:300
29717997346,18cyclictest24917-21runrttasks23:06:210
29717997342,13cyclictest10150irq/55-4a10000019:35:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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