Lines Matching full:processor

20 a particular processor model in it depends on whether or not it recognizes that
21 processor model and may also depend on information coming from the platform
26 ``intel_idle`` uses the ``MWAIT`` instruction to inform the processor that the
28 processor's functional blocks into low-power states.  That instruction takes two
30 first of which, referred to as a *hint*, can be used by the processor to
47 Each ``MWAIT`` hint value is interpreted by the processor as a license to
48 reconfigure itself in a certain way in order to save energy.  The processor
52 processor) corresponding to them depends on the processor model and it may also
58 for different processor models included in the driver itself and the ACPI tables
59 of the system.  The former are always used if the processor model at hand is
61 the given processor model (which is the case for all server processor models
62 recognized by ``intel_idle``) or if the processor model is not recognized.
64 tables with any processor model recognized by it; see
77 ``MWAIT`` instruction is expected to be used to tell the processor that it can
89 If the processor model at hand is recognized by ``intel_idle``, there is a
94 (depending on the processor model), all of the listed idle state are enabled by
105 If the given processor model is not recognized by ``intel_idle``, but it
117 various processor models recognized by ``intel_idle``) and for the other idle
120 in the majority of cases for the processor models recognized by ``intel_idle``).
133 The next step is to check whether or not the processor model is known to the
135 `above <intel-idle-enumeration-of-states_>`_), and whether or not the processor
137 the ``MWAIT`` support in the processor is enumerated through ``CPUID`` and the
157 required for the given processor model.
195 recognized processor models, respectively (they both are unset by default and
221 Typically, in a processor supporting the ``MWAIT`` instruction there are (at
223 "core C-states", covers individual cores in the processor, whereas the other
224 level, referred to as "package C-states", covers the entire processor package
228 Some of the ``MWAIT`` hint values allow the processor to use core C-states only
234 ``MWAIT`` hint value representing the ``C3`` idle state allows the processor to
239 cases) it gives the processor a license to put the entire package (possibly
247 As a rule, there is no simple way to make the processor use core C-states only
250 only (like for ``C1``) must always assume that this may cause the processor to