On Fri, 4 Jul 2025, Ahmed S. Darwish wrote: > Now that --laptop is explicitly obsoleted and --default-system is > recommended as its replacement, better formulate the latter's help text. > > Signed-off-by: Ahmed S. Darwish <darwi@xxxxxxxxxxxxx> > --- > src/cyclictest/cyclictest.8 | 8 +++++--- > 1 file changed, 5 insertions(+), 3 deletions(-) > > diff --git a/src/cyclictest/cyclictest.8 b/src/cyclictest/cyclictest.8 > index aff900d..6982234 100644 > --- a/src/cyclictest/cyclictest.8 > +++ b/src/cyclictest/cyclictest.8 > @@ -75,9 +75,11 @@ display a usage message and exit. > . > .TP > .B \-\-default\-system > -Don't attempt to tune the system from cyclictest. Power management is not > -suppressed. This might give poorer results, but will allow you to discover > -if you need to tune the system. > +Stop cyclictest from force-tuning the system. Without this option, > +cyclictest writes a value of 0 to /dev/cpu_dma_latency, which prevents the > +CPU from entering deep sleep states. While such force-tuning might help at > +showing lower latency numbers, it obscures the fact that the system may > +require additional tuning. > . > .TP > .B \-\-latency=PM_Q0S > -- > 2.49.0 > > > Signed-off-by: John Kacur <jkacur@xxxxxxxxxx>
