You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-26 - 03:30
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
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rackfslot7.osadl.org (updated Tue Nov 25, 2025 12:46:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
46593499824,59cyclictest573376-21/usr/sbin/munin10:20:027
465934997537,19cyclictest101750irq/39-eno2-TxRx-012:38:427
465934997537,19cyclictest101750irq/39-eno2-TxRx-012:38:417
465934997537,19cyclictest101750irq/39-eno2-TxRx-012:00:187
465934997537,19cyclictest101750irq/39-eno2-TxRx-010:10:217
465934997436,19cyclictest101750irq/39-eno2-TxRx-009:05:027
465934997335,19cyclictest101750irq/39-eno2-TxRx-010:55:227
465934997235,18cyclictest101750irq/39-eno2-TxRx-007:15:217
465934997234,38cyclictest101750irq/39-eno2-TxRx-011:48:467
465934997234,38cyclictest0-21swapper/712:15:087
465934997233,39cyclictest0-21swapper/708:54:237
465934997133,38cyclictest509026-21fschecks_time08:25:167
465934997133,19cyclictest101750irq/39-eno2-TxRx-011:10:017
465934997113,39cyclictest590676-21cpuspeed_turbos10:50:147
465934997113,39cyclictest476625-21grep07:25:247
465934996931,19cyclictest473254-21ntp_states07:20:207
465934996931,19cyclictest0-21swapper/708:19:227
46593499679,39cyclictest559104-21kworker/u32:1+events_unbound10:05:207
46592599624,19cyclictest0-21swapper/011:15:170
465934996124,18cyclictest101750irq/39-eno2-TxRx-009:40:147
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional