On Thu, Nov 07, 2019 at 03:44:59PM +0800, Tao Xu wrote: > This series of patches will build Heterogeneous Memory Attribute Table (HMAT) > according to the command line. The ACPI HMAT describes the memory attributes, > such as memory side cache attributes and bandwidth and latency details, > related to the Memory Proximity Domain. > The software is expected to use HMAT information as hint for optimization. > > In the linux kernel, the codes in drivers/acpi/hmat/hmat.c parse and report > the platform's HMAT tables.
ok this looks good to me. Given we are in freeze, please ping me after the release to merge this. > The V14 patches link: > https://patchwork.kernel.org/cover/11214887/ > > Changelog: > v15: > - Add a new patch to refactor do_strtosz() (Eduardo) > - Make tests without breaking CI (Michael) > v14: > - Reuse the codes of do_strtosz to build qemu_strtotime_ns > (Eduardo) > - Squash patch v13 01/12 and 02/12 together (Daniel and Eduardo) > - Drop time unit picosecond (Eric) > - Use qemu ctz64 and clz64 instead of builtin function > v13: > - Modify some text description > - Drop "initiator_valid" field in struct NodeInfo > - Reuse Garray to store the raw bandwidth and bandwidth data > - Calculate common base unit using range bitmap > - Add a patch to alculate hmat latency and bandwidth entry list > - Drop the total_levels option and use readable cache size > - Remove the unnecessary head file > - Use decimal notation with appropriate suffix for cache size > v12: > - Fix a bug that a memory-only node without initiator setting > doesn't report error. (reported by Danmei Wei) > - Fix a bug that if HMAT is enabled and without hmat-lb setting, > QEMU will crash. (reported by Danmei Wei) > v11: > - Move numa option patches forward. > - Add num_initiator in Numa_state to record the number of > initiators. > - Simplify struct HMAT_LB_Info, use uint64_t array to store data. > - Drop hmat_get_base(). > - Calculate base in build_hmat_lb(). > v10: > - Add qemu_strtotime_ps() to convert strings with time suffixes > to numbers, and add some tests for it. > - Add qapi buildin type time, and add some tests for it. > - Add machine oprion properties "-machine hmat=on|off" for enabling > or disabling HMAT in QEMU. > > Liu Jingqi (5): > numa: Extend CLI to provide memory latency and bandwidth information > numa: Extend CLI to provide memory side cache information > hmat acpi: Build Memory Proximity Domain Attributes Structure(s) > hmat acpi: Build System Locality Latency and Bandwidth Information > Structure(s) > hmat acpi: Build Memory Side Cache Information Structure(s) > > Tao Xu (7): > util/cutils: refactor do_strtosz() to support suffixes list > util/cutils: Add qemu_strtotime_ns() > qapi: Add builtin type time > tests: Add test for QAPI builtin type time > numa: Extend CLI to provide initiator information for numa nodes > numa: Calculate hmat latency and bandwidth entry list > tests/bios-tables-test: add test cases for ACPI HMAT > > hw/acpi/Kconfig | 7 +- > hw/acpi/Makefile.objs | 1 + > hw/acpi/hmat.c | 263 ++++++++++++++++++++++++ > hw/acpi/hmat.h | 42 ++++ > hw/core/machine.c | 64 ++++++ > hw/core/numa.c | 284 +++++++++++++++++++++++++- > hw/i386/acpi-build.c | 5 + > include/qapi/visitor-impl.h | 4 + > include/qapi/visitor.h | 8 + > include/qemu/cutils.h | 1 + > include/sysemu/numa.h | 104 ++++++++++ > qapi/machine.json | 178 +++++++++++++++- > qapi/opts-visitor.c | 22 ++ > qapi/qapi-visit-core.c | 12 ++ > qapi/qobject-input-visitor.c | 18 ++ > qapi/trace-events | 1 + > qemu-options.hx | 96 ++++++++- > scripts/qapi/schema.py | 1 + > tests/bios-tables-test-allowed-diff.h | 8 + > tests/bios-tables-test.c | 44 ++++ > tests/data/acpi/pc/APIC.acpihmat | 0 > tests/data/acpi/pc/DSDT.acpihmat | 0 > tests/data/acpi/pc/HMAT.acpihmat | 0 > tests/data/acpi/pc/SRAT.acpihmat | 0 > tests/data/acpi/q35/APIC.acpihmat | 0 > tests/data/acpi/q35/DSDT.acpihmat | 0 > tests/data/acpi/q35/HMAT.acpihmat | 0 > tests/data/acpi/q35/SRAT.acpihmat | 0 > tests/test-cutils.c | 204 ++++++++++++++++++ > tests/test-keyval.c | 122 +++++++++++ > tests/test-qobject-input-visitor.c | 29 +++ > util/cutils.c | 86 +++++--- > 32 files changed, 1562 insertions(+), 42 deletions(-) > create mode 100644 hw/acpi/hmat.c > create mode 100644 hw/acpi/hmat.h > create mode 100644 tests/data/acpi/pc/APIC.acpihmat > create mode 100644 tests/data/acpi/pc/DSDT.acpihmat > create mode 100644 tests/data/acpi/pc/HMAT.acpihmat > create mode 100644 tests/data/acpi/pc/SRAT.acpihmat > create mode 100644 tests/data/acpi/q35/APIC.acpihmat > create mode 100644 tests/data/acpi/q35/DSDT.acpihmat > create mode 100644 tests/data/acpi/q35/HMAT.acpihmat > create mode 100644 tests/data/acpi/q35/SRAT.acpihmat > > -- > 2.20.1
