You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2023-02-07 - 18:55

x86 AMD G-T48L @1400 MHz, Linux 4.4.4-rt11 (Profile)

Latency plot of system in rack #c, slot #3
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 10 highest latencies:
System rackcslot3.osadl.org (updated Tue Feb 07, 2023 12:43:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
811010rcu_preempt19-21ksoftirqd/111:17:191
1478501000irq/31-eth0-tx-945-21usb-storage07:12:171
81810rcu_preempt20437-21/usr/sbin/munin07:08:160
81760rcu_preempt32124-21ntp_states10:28:291
81730rcu_preempt19550-21diskmemload12:01:360
81720rcu_preempt31133-21munin-run10:28:030
81720rcu_preempt0-21swapper/012:18:080
81710rcu_preempt19550-21diskmemload12:29:580
81700rcu_preempt27940-21cron07:38:030
81700rcu_preempt0-21swapper/109:28:351
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional