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
68 Each ``MWAIT`` hint value is interpreted by the processor as a license to
69 reconfigure itself in a certain way in order to save energy.  The processor
73 processor) corresponding to them depends on the processor model and it may also
80 for different processor models included in the driver itself and the ACPI tables
81 of the system.  The former are always used if the processor model at hand is
83 the given processor model (which is the case for all server processor models
84 recognized by ``intel_idle``) or if the processor model is not recognized.
86 tables with any processor model recognized by it; see
99 ``MWAIT`` instruction is expected to be used to tell the processor that it can
111 If the processor model at hand is recognized by ``intel_idle``, there is a
116 (depending on the processor model), all of the listed idle state are enabled by
128 If the given processor model is not recognized by ``intel_idle``, but it
140 various processor models recognized by ``intel_idle``) and for the other idle
143 in the majority of cases for the processor models recognized by ``intel_idle``).
156 The next step is to check whether or not the processor model is known to the
158 `above <intel-idle-enumeration-of-states_>`_), and whether or not the processor
160 the ``MWAIT`` support in the processor is enumerated through ``CPUID`` and the
180 required for the given processor model.
269 Typically, in a processor supporting the ``MWAIT`` instruction there are (at
271 "core C-states", covers individual cores in the processor, whereas the other
272 level, referred to as "package C-states", covers the entire processor package
276 Some of the ``MWAIT`` hint values allow the processor to use core C-states only
282 ``MWAIT`` hint value representing the ``C3`` idle state allows the processor to
287 cases) it gives the processor a license to put the entire package (possibly
295 As a rule, there is no simple way to make the processor use core C-states only
298 only (like for ``C1``) must always assume that this may cause the processor to