Quiet coretemp probe

Only the first device will print
coretemp0: <CPU On-Die Thermal Sensors> numa-domain 0 on cpu0
instead of all hyper threads

Submitted by: kbowling
Reviewed by: imp, sbruno
Spon

Quiet coretemp probe

Only the first device will print
coretemp0: <CPU On-Die Thermal Sensors> numa-domain 0 on cpu0
instead of all hyper threads

Submitted by: kbowling
Reviewed by: imp, sbruno
Sponsored by: Limelight Networks
Differential Revision: https://reviews.freebsd.org/D15727

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sys/dev: further adoption of SPDX licensing ID tags.

Mainly focus on files that use BSD 2-Clause license, however the tool I
was using misidentified many licenses so this was mostly a manual - error

sys/dev: further adoption of SPDX licensing ID tags.

Mainly focus on files that use BSD 2-Clause license, however the tool I
was using misidentified many licenses so this was mostly a manual - error
prone - task.

The Software Package Data Exchange (SPDX) group provides a specification
to make it easier for automated tools to detect and summarize well known
opensource licenses. We are gradually adopting the specification, noting
that the tags are considered only advisory and do not, in any way,
superceed or replace the license texts.

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Fix the deciKelvin to Celsius conversion in kernel.

After r285994, sysctl(8) was fixed to use 273.15 instead of 273.20 as 0C
reference and as result, the temperature read in sysctl(8) now exibits a

Fix the deciKelvin to Celsius conversion in kernel.

After r285994, sysctl(8) was fixed to use 273.15 instead of 273.20 as 0C
reference and as result, the temperature read in sysctl(8) now exibits a
+0.1C difference.

This commit fix the kernel references to match the reference value used in
sysctl(8) after r285994.

Sponsored by: Rubicon Communications (Netgate)

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Mark the coretemp(4) sysctls as MPSAFE, ensuring that Giant won't be held
unnecessarily by a user thread waiting to run on a specific CPU after
calling sched_bind().

Reviewed by: rstone
Approved by:

Mark the coretemp(4) sysctls as MPSAFE, ensuring that Giant won't be held
unnecessarily by a user thread waiting to run on a specific CPU after
calling sched_bind().

Reviewed by: rstone
Approved by: emaste (co-mentor)
Sponsored by: Sandvine Incorporated
MFC after: 1 week

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Use DEVMETHOD_END macro defined in sys/bus.h instead of {0, 0} sentinel on device_method_t arrays

Reviewed by: cognet
Approved by: cognet

This isn't functionally identical. In some cases a hint to disable
unit 0 would in fact disable all units.

This reverts r241856

Approved by: cperciva (implicit)

Now that device disabling is generic, remove extraneous code from the
device drivers that used to provide this feature.

Reviewed by: des
Approved by: cperciva
MFC after: 1 week

MFC r196889:
Change 'dev.cpu.N.temperature', sysctl I (degC) to IK (Kelvin),
to match acpi_thermal(4) and amdtemp(4).

Approved by: re (rwatson)
Reviewed by: rpaulo
Suggested by: ume

#PROCHOT assertion is sticky after reading the MSR (accordingly with
Intel manuals) it must be cleared by writing a 0.
Fix that.

Sponsored by: Sandvine Incorporated
Reported by: rstone
Reviewed by:

#PROCHOT assertion is sticky after reading the MSR (accordingly with
Intel manuals) it must be cleared by writing a 0.
Fix that.

Sponsored by: Sandvine Incorporated
Reported by: rstone
Reviewed by: delphij, emaste, rstone
Approved by: re (kib)
MFC after: 1 week

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Expose more variables from coretemp(4) via sysctl:

- tjmax - Tj(max) value from the CPU
- delta - current delta reading
- resolution - sensor resolution in Celsius
- throttle_log - whether a #PR

Expose more variables from coretemp(4) via sysctl:

- tjmax - Tj(max) value from the CPU
- delta - current delta reading
- resolution - sensor resolution in Celsius
- throttle_log - whether a #PROCHOT was asserted since last reset

Submitted by: Mark Johnston <markjdb gmail.com> (mostly)
MFC after: 1 month
Approved by: re (kib)

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Bump the maximum coretemp limit (for CPU temperature) to 110. Several
cores with temp in the range 101-105 have been found in the past.

Sponsored by: Sandvine Incorporated
Reviewed by: delphij, emas

Bump the maximum coretemp limit (for CPU temperature) to 110. Several
cores with temp in the range 101-105 have been found in the past.

Sponsored by: Sandvine Incorporated
Reviewed by: delphij, emaste
Approved by: re (kib)
MFC after: 3 days

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Detect and set Atom's Tj(max) to 90 if it's not the 45nm D400/D500/N400
series.

MFC after: 2 weeks

Correct a typo. According to Intel document 318914, the Tj(max) for Core 2
Duo Mobile CPUs should be 105.

Noticed by: Mark Johnston <markjdb gmail.com>
MFC after: 3 days

Catch known CPUs before using IA32_TEMPERATURE_TARGET.
This way we would have an opportunity to hide the
Tj(target) value doesn't seem right stuff if we know
it's not working there.

Add temperature

Catch known CPUs before using IA32_TEMPERATURE_TARGET.
This way we would have an opportunity to hide the
Tj(target) value doesn't seem right stuff if we know
it's not working there.

Add temperature value for Core2 Duo Extreme Mobile that
I have access to.

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Improve cputemp(4) driver wrt newer Intel processors, especially
Xeon 5500/5600 series:

- Utilize IA32_TEMPERATURE_TARGET, a.k.a. Tj(target) in place
of Tj(max) when a sane value is available, a

Improve cputemp(4) driver wrt newer Intel processors, especially
Xeon 5500/5600 series:

- Utilize IA32_TEMPERATURE_TARGET, a.k.a. Tj(target) in place
of Tj(max) when a sane value is available, as documented
in Intel whitepaper "CPU Monitoring With DTS/PECI"; (By sane
value we mean 70C - 100C for now);
- Print the probe results when booting verbose;
- Replace cpu_mask with cpu_stepping;
- Use CPUID_* macros instead of rolling our own.

Approved by: rpaulo
MFC after: 1 month

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Change 'dev.cpu.N.temperature', sysctl I (degC) to IK (Kelvin).

Approved by: re (rwatson)
Reviewed by: rpaulo
Suggested by: ume
MFC After: 3 days

Introduce cpu_vendor_id and replace a lot of strcmp(cpu_vendor, "...").

Reviewed by: jhb, peter (early amd64 version)

style(9): remove FreeBSD CVS ID from the initial license comment.

MFC after: 1 day

Change the check for cpu_high to actually match CPUID 0x06.

Submitted by: Arthur Hartwig <arthur.hartwig at nokia.com>
PR: 122878
MFC after: 3 days

Don't attach to non Core CPUs. This is needed because on the PIII,
querying the number of sensors returns > 0.

PR: 120541
Approved by: njl (mentor)

Disable the check for errata AE18. On MacBooks (1,1 version) there's
no problem with coretemp and C3 state.

Approved by: njl (mentor)

Backout sensors framework.

Requested by: phk
Discussed on: cvs-all

Convert coretemp(4) to the hardware sensors framework and
make sure to never call sched_bind() for uninitialised CPUs.

Submitted by: Constantine A. Murenin <[email protected]>
Sponsored by: Google Su

Convert coretemp(4) to the hardware sensors framework and
make sure to never call sched_bind() for uninitialised CPUs.

Submitted by: Constantine A. Murenin <[email protected]>
Sponsored by: Google Summer of Code 2007 (GSoC2007/cnst-sensors)
Mentored by: syrinx
Tested by: many
OKed by: kensmith

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Style nits + more reliable Tj(max) detection + improved reporting of
critical temperature + sched_unbind() after rdmsr + initialize sc_dev.

Submitted by: Rui Paulo <[email protected]>, cnst
Approved b

Style nits + more reliable Tj(max) detection + improved reporting of
critical temperature + sched_unbind() after rdmsr + initialize sc_dev.

Submitted by: Rui Paulo <[email protected]>, cnst
Approved by: re (kensmith)

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Add a driver for the on-die digital thermal sensor found on Intel Core
and newer CPUs (including Core 2 and Core / Core 2 based Xeons). The
driver attaches to each cpu device and creates a sysctl no

Add a driver for the on-die digital thermal sensor found on Intel Core
and newer CPUs (including Core 2 and Core / Core 2 based Xeons). The
driver attaches to each cpu device and creates a sysctl node in that
device's sysctl context (dev.cpu.N.temperature). When invoked, the
handler binds to the appropriate CPU to ensure a correct reading.

Submitted by: Rui Paulo <[email protected]>
Sponsored by: Google Summer of Code 2007
Tested by: des, marcus, Constantine A. Murenin, Ian FREISLICH
Approved by: re (kensmith)
MFC after: 3 weeks

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