tools/power turbostat: Print /dev/cpu_dma_latency

Browse source

Users are puzzled when they use tuned performance and all their
C-states vanish.  Dump /dev/cpu_dma_latency and state
whether the value is default, or constraining,
to explain this situation.

Signed-off-by: Len Brown <len.brown@intel.com>

...

This commit is contained in:

Len Brown 2020-05-27 00:38:38 -04:00

parent e00b62f0b0

commit d76bb7a09b

1 changed files with 28 additions and 0 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

28

tools/power/x86/turbostat/turbostat.c

View file