You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2024-07-16 - 08:13
Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

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 50 highest latencies:
System rack3slot3.osadl.org (updated Tue Jul 16, 2024 00:46:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8752210297sleep70-21swapper/719:09:039
122501010irq/42-ahci0-21swapper/319:08:585
12250990irq/42-ahci0-21swapper/119:09:591
1105350960irq/53-eth0-tx-0-21swapper/219:05:254
1105250960irq/52-eth0-rx-0-21swapper/419:05:446
1105250910irq/52-eth0-rx-0-21swapper/519:06:117
12250900irq/42-ahci0-21swapper/819:08:3710
847726955sleep00-21swapper/019:06:080
12250690irq/42-ahci0-21swapper/1019:06:072
858826555sleep60-21swapper/619:07:388
860726354sleep90-21swapper/919:07:5311
845926254sleep110-21swapper/1119:05:553
897899330cyclictest0-21swapper/1120:16:353
8943992928cyclictest0-21swapper/020:19:310
8943992719cyclictest0-21swapper/022:35:360
897699205cyclictest0-21swapper/922:47:5011
897699181cyclictest29669-1kworker/9:1H22:02:3111
897699181cyclictest0-21swapper/922:41:4911
897699181cyclictest0-21swapper/921:53:5211
897699181cyclictest0-21swapper/920:30:2811
897699181cyclictest0-21swapper/900:25:0211
8974991816cyclictest29032-21snmp_rack3slot921:01:009
8974991816cyclictest29032-21snmp_rack3slot921:00:599
8974991816cyclictest27414-21irqstats20:15:289
8959991816cyclictest2320-21snmpd22:04:054
8977991716cyclictest28761-1kworker/10:0H20:46:102
8977991716cyclictest12190-1kworker/10:0H22:48:092
897799170cyclictest85312chrt22:04:492
897799170cyclictest831ksoftirqd/1021:40:222
897799170cyclictest811rcuc/1021:54:112
897799170cyclictest55772sleep1023:26:352
897799170cyclictest42062chrt21:13:072
897799170cyclictest42062chrt21:13:072
897799170cyclictest322642sleep1020:21:132
897799170cyclictest312022chrt00:03:142
897799170cyclictest302872sleep1022:32:162
897799170cyclictest29422sleep1020:25:382
897799170cyclictest286362sleep1020:16:242
897799170cyclictest271502chrt23:13:092
897799170cyclictest267332chrt22:28:282
897799170cyclictest252122sleep1020:14:242
897799170cyclictest244712sleep1019:26:072
897799170cyclictest241882sleep1020:55:292
897799170cyclictest241882sleep1020:55:292
897799170cyclictest238332chrt23:52:242
897799170cyclictest234122chrt23:06:442
897799170cyclictest22822sleep1000:06:262
897799170cyclictest213572chrt20:07:112
897799170cyclictest213572chrt20:07:112
897799170cyclictest210872sleep1019:24:432
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional