[dpdk-dev] [PATCH v3] libs/power: add p-state driver compatibility
thomas at monjalon.net
Wed Dec 19 21:31:32 CET 2018
19/12/2018 10:09, Hunt, David:
> On 19/12/2018 3:18 AM, Thomas Monjalon wrote:
> > 14/12/2018 14:11, Liang Ma:
> >> Previously, in order to use the power library, it was necessary
> >> for the user to disable the intel_pstate driver by adding
> >> “intel_pstate=disable” to the kernel command line for the system,
> >> which causes the acpi_cpufreq driver to be loaded in its place.
> >> This patch adds the ability for the power library use the intel-pstate
> >> driver.
> >> It adds a new suite of functions behind the current power library API,
> >> and will seamlessly set up the user facing API function pointers to
> >> the relevant functions depending on whether the system is running with
> >> acpi_cpufreq kernel driver, intel_pstate kernel driver or in a guest,
> >> using kvm. The library API and ABI is unchanged.
> >> Signed-off-by: Liang Ma <liang.j.ma at intel.com>
> >> Reviewed-by: Anatoly Burakov <anatoly.burakov at intel.com>
> >> ---
> > Please write a changelog when sending a new version.
> > Dave, any comment on this patch?
> Looks good to me.
> Acked-by: David Hunt <david.hunt at intel.com>
> >> --- /dev/null
> >> +++ b/lib/librte_power/power_pstate_cpufreq.c
> >> @@ -0,0 +1,770 @@
> >> +/* SPDX-License-Identifier: BSD-3-Clause
> >> + * Copyright(c) 2018-2018 Intel Corporation
> > Something wrong here :)
> Yes, should simply be "Copyright(c) 2018 Intel Corporation"
There is also a compilation error with meson:
lib/librte_power/rte_power_empty_poll.h:20:10: fatal error:
rte_timer.h: No such file or directory
Clearly, some quality checks are missing.
I'm afraid we won't have any patch for power library in 19.02.
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