You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2022-06-30 - 18:27

ARM Freescale i.MX6UL @528 MHz, Linux 4.16.15-rt7 (Profile)

Latency plot of system in rack #5, slot #7
Data to construct the above plot have been generated using the RT test utility cyclictest.
Command line: cyclictest -l50000000 -m -n -a0 -t1 -p99 -i400 -h400 -q
Total number of samples: 50 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 100, Linux 4.9.20-rt16, x86_64 highest latencies:
System rack5slot7.osadl.org (updated Thu Jun 30, 2022 12:44:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1668243000,26sleep032484-1kworker/u3:006:41:320
17109910433,54cyclictest0-21swapper11:54:290
17109910319,44cyclictest931-21df_inode09:12:310
17109910314,29cyclictest29606-21ssh09:01:380
17109910216,48cyclictest27104-21apt-get10:31:560
17109910215,47cyclictest3910-21apt-get09:21:540
17109910128,57cyclictest0-21swapper09:57:080
17109910124,65cyclictest0-21swapper11:03:440
17109910114,65cyclictest16590-21df_inode11:37:300
17109910031,51cyclictest0-21swapper09:05:370
17109910029,42cyclictest0-21swapper11:23:360
17109910026,56cyclictest0-21swapper10:52:400
17109910016,64cyclictest20924-21irqstats10:12:470
17109910016,45cyclictest24754-21apt-get08:46:590
17109910014,47cyclictest32540-21kernelversion10:47:510
1710999931,35cyclictest9102-21wc07:22:240
1710999917,64cyclictest6621-21df_inode11:07:280
1710999917,60cyclictest3827-21ssh09:21:410
1710999917,44cyclictest517-21ssh09:11:440
1710999915,47cyclictest26302-21ssh12:07:060
1710999914,51cyclictest13976-21ssh11:29:010
1710999833,48cyclictest0-21swapper11:00:150
1710999820,24cyclictest22435-21df_inode08:37:110
1710999816,24cyclictest18097-21users10:03:290
1710999815,45cyclictest14368-21memory09:52:520
1710999814,65cyclictest14694-21snmpd11:50:040
1710999814,65cyclictest10527-21apt-get09:41:460
1710999814,23cyclictest25880-21ssh10:27:480
1710999813,50cyclictest15872-21ssh11:35:160
1710999812,65cyclictest22204-21basename10:17:060
1710999812,25cyclictest10102-21ssh09:39:560
1710999811,66cyclictest24392-21ssh08:45:230
1710999717,45cyclictest9495-21munin-run11:16:370
1710999717,22cyclictest12435-21df09:47:200
1710999714,63cyclictest19141-21ssh11:45:000
1710999714,49cyclictest0-21swapper10:37:160
1710999712,63cyclictest18135-21grep08:12:300
1710999711,46cyclictest31997-21sed10:46:420
1710999711,22cyclictest24926-21sh12:02:340
1710999618,57cyclictest7602-21fw_conntrack09:32:370
1710999615,60cyclictest27605-21ssh08:54:480
1710999612,63cyclictest4089-21grep06:52:430
1710999612,26cyclictest10114-21sort11:17:500
1710999515,61cyclictest6018-21irqstats09:27:500
1710999515,27cyclictest18577-21/usr/sbin/munin08:17:070
1710999514,43cyclictest20345-21latency_hist10:11:360
1710999411,44cyclictest24448-21/usr/sbin/munin10:23:090
1710999410,64cyclictest12376-21cut07:41:590
1710999318,23cyclictest15404-21memory07:57:240
1710999317,59cyclictest23177-21df11:57:190
1710999216,55cyclictest19758-21fw_conntrack08:22:160
1710999216,26cyclictest7390-21awk07:12:300
171099919,24cyclictest14694-21snmpd06:50:250
171099918,44cyclictest12145-21grep07:37:410
1710999118,24cyclictest8167-21irqstats07:17:210
1710999114,28cyclictest6794-21sshd07:09:080
1710999113,41cyclictest17576-21sendmail08:11:370
1710998919,23cyclictest10857-21irqstats07:32:210
1710998913,27cyclictest2699-21latency_hist06:46:400
171099889,60cyclictest10234-21sort07:27:390
1710998816,24cyclictest5885-21users07:02:430
1710998720,23cyclictest13393-21df07:47:040
1710998717,55cyclictest0-21swapper08:26:450
1710998715,23cyclictest16151-21sshd08:02:090
1710998713,26cyclictest14694-21snmpd07:52:230
1710998712,25cyclictest21546-21/usr/sbin/munin08:32:120
1710998515,22cyclictest4721-21ntp_states06:57:320
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional