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Power management tools (ACPI tools, really)
-------------------------------------------
This is a small collection of power management test and
investigation tools.
See http://www.lesswatts.org/projects/acpi/
for more information on ACPI for Linux.
./acpidump/acpidump
-------------------
This utility dumps a system's ACPI tables to an ASCII file.
Typically it is used to dump all the ACPI tables
to attach to a bug report for later examination:
# ./acpidump > acpidump.txt
Note that acpidump is a simple "KVM reader" that
reads the BIOS ACPI tables like the kernel would.
It does not rely on the operation of the kernel's
ACPI support to access the tables. This is why
it works even when the kernel is booted with "acpi=off"
and it is why the output doesn't change when different
kernels are booted.
./acpidump/acpixtract
--------------------
Convert ASCII acpidump output to raw binary tables:
$ acpixtract/acpixtract -a acpidump.txt
Acpi table [DSDT] - 15974 bytes written to DSDT.dat
Acpi table [FACS] - 64 bytes written to FACS.dat
Acpi table [FACP] - 116 bytes written to FACP.dat
Acpi table [APIC] - 120 bytes written to APIC.dat
Acpi table [WDDT] - 64 bytes written to WDDT.dat
Acpi table [MCFG] - 60 bytes written to MCFG.dat
Acpi table [ASF!] - 166 bytes written to ASF!.dat
Acpi table [SSDT] - 444 bytes written to SSDT1.dat
Acpi table [SSDT] - 439 bytes written to SSDT2.dat
Acpi table [SSDT] - 439 bytes written to SSDT3.dat
Acpi table [SSDT] - 439 bytes written to SSDT4.dat
Acpi table [SSDT] - 439 bytes written to SSDT5.dat
Acpi table [RSDT] - 76 bytes written to RSDT.dat
Acpi table [RSDP] - 20 bytes written to RSDP.dat
./madt/madt
-----------
See ./madt/README
This is a parser for APIC.dat above, based on the code
in the Linux kernel that parses the same table.
# madt < APIC.dat > APIC.txt
However, iasl can now dis-assemble an APIC table, so unless
you really need to to see what the kernel would do, see below.
Disassembler
------------
Convert binary table into human readable form
iasl can be downloaded from Intel:
http://www.intel.com/technology/IAPC/acpi/downloads.htm
Which creates DSDT.dsl this way:
$ iasl -d DSDT.dat
...
Disassembly completed, written to "DSDT.dsl"
It can be used on any table, eg the FADT:
$ iasl -d FACP.dat
...
Acpi Data Table [FACP] decoded, written to "FACP.dsl"
Change Log
----------
20070511 - lenb
delete acpitbl script
it is obsoleted by iasl -d
20070714 - lenb
update acpidump to dump RSDT
and its unique tables (eg. ACPI 1.0 FADT)
even if XSDT (and ACPI 2.0 FADT) is present.
20071116
Yakui fixed Len's change above to work
on systems w/o an XSDT.
Len removed pmtest driver, add madt to Makefile.
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