On 12/14/2016 06:06 PM, Prashanth Prakash wrote: > This patch-set adds few additional sysfs entries to expose the > performance capabilities of each CPU. The performance capabilities > include highest perf, lowest perf, nominal perf and lowest > non-linear perf. See 8.4.7.1 for ACPI 6.1 spec for details on > these capabilities. > > cppc_cpufreq driver operates in KHz scale whereas the delivered > performance computed in userspace will be in abstract CPPC scale, so > exposing perf capabilities should allow userspace to figure out the > conversion factor from CPPC scale to KHz. > > Prashanth Prakash (2): > ACPI / CPPC: read all perf caps in a single cppc read command > ACPI / CPPC: add sysfs entries for CPPC perf capabilities > > drivers/acpi/cppc_acpi.c | 164 ++++++++++++++++++++++++++++++----------------- > include/acpi/cppc_acpi.h | 3 +- > 2 files changed, 107 insertions(+), 60 deletions(-) > Nice addition, Prashanth. I had thought about doing this, but got distracted. Thanks for following through :). I have not had a chance to test these yet, but will do so as soon as I can; my initial review is pretty positive, though. -- ciao, al ----------------------------------- Al Stone Software Engineer Red Hat, Inc. ahs3@xxxxxxxxxx ----------------------------------- -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
