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7ba58fff00
As the number of binding schemas has grown, the time to run dt_binding_check has gotten pretty slow. A large part of this is due to the slow startup time of Python (a well documented problem). There's not currently any benefit to running dt-doc-validate one file at a time, so let's switch it to run a single rule. Doing this means we loose the make parallelism, but we can use xargs instead. This speeds up the validation time from several minutes to <10 sec. Since the validation is a single step with no output, we move running it as part of the processed-schema-examples.json target. We also need to reorder the extra-y entries so the validation is run first rather than after all the examples are extracted. Signed-off-by: Rob Herring <robh@kernel.org>
83 lines
2.7 KiB
Makefile
83 lines
2.7 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
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DT_DOC_CHECKER ?= dt-doc-validate
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DT_EXTRACT_EX ?= dt-extract-example
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DT_MK_SCHEMA ?= dt-mk-schema
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DT_SCHEMA_MIN_VERSION = 2020.8.1
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PHONY += check_dtschema_version
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check_dtschema_version:
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@{ echo $(DT_SCHEMA_MIN_VERSION); \
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$(DT_DOC_CHECKER) --version 2>/dev/null || echo 0; } | sort -VC || \
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{ echo "ERROR: dtschema minimum version is v$(DT_SCHEMA_MIN_VERSION)" >&2; false; }
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quiet_cmd_extract_ex = DTEX $@
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cmd_extract_ex = $(DT_EXTRACT_EX) $< > $@
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$(obj)/%.example.dts: $(src)/%.yaml check_dtschema_version FORCE
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$(call if_changed,extract_ex)
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# Use full schemas when checking %.example.dts
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DT_TMP_SCHEMA := $(obj)/processed-schema-examples.json
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find_cmd = find $(srctree)/$(src) \( -name '*.yaml' ! \
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-name 'processed-schema*' ! \
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-name '*.example.dt.yaml' \)
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quiet_cmd_chk_bindings = CHKDT $@
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cmd_chk_bindings = $(find_cmd) | \
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xargs -n200 -P$$(nproc) $(DT_DOC_CHECKER) -u $(srctree)/$(src)
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quiet_cmd_mk_schema = SCHEMA $@
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cmd_mk_schema = f=$$(mktemp) ; \
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$(if $(DT_MK_SCHEMA_FLAGS), \
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echo $(real-prereqs), \
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$(find_cmd)) > $$f ; \
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$(DT_MK_SCHEMA) -j $(DT_MK_SCHEMA_FLAGS) @$$f > $@ ; \
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rm -f $$f
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define rule_chkdt
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$(call cmd,chk_bindings)
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$(call cmd,mk_schema)
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endef
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DT_DOCS = $(shell $(find_cmd) | sed -e 's|^$(srctree)/||')
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override DTC_FLAGS := \
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-Wno-avoid_unnecessary_addr_size \
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-Wno-graph_child_address \
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-Wno-interrupt_provider
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$(obj)/processed-schema-examples.json: $(DT_DOCS) check_dtschema_version FORCE
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$(call if_changed_rule,chkdt)
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ifeq ($(DT_SCHEMA_FILES),)
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# Unless DT_SCHEMA_FILES is specified, use the full schema for dtbs_check too.
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# Just copy processed-schema-examples.json
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$(obj)/processed-schema.json: $(obj)/processed-schema-examples.json FORCE
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$(call if_changed,copy)
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DT_SCHEMA_FILES = $(DT_DOCS)
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else
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# If DT_SCHEMA_FILES is specified, use it for processed-schema.json
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$(obj)/processed-schema.json: DT_MK_SCHEMA_FLAGS := -u
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$(obj)/processed-schema.json: $(DT_SCHEMA_FILES) check_dtschema_version FORCE
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$(call if_changed,mk_schema)
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endif
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extra-$(CHECK_DT_BINDING) += processed-schema-examples.json
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extra-$(CHECK_DTBS) += processed-schema.json
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extra-$(CHECK_DT_BINDING) += $(patsubst $(src)/%.yaml,%.example.dts, $(DT_SCHEMA_FILES))
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extra-$(CHECK_DT_BINDING) += $(patsubst $(src)/%.yaml,%.example.dt.yaml, $(DT_SCHEMA_FILES))
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# Hack: avoid 'Argument list too long' error for 'make clean'. Remove most of
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# build artifacts here before they are processed by scripts/Makefile.clean
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clean-files = $(shell find $(obj) \( -name '*.example.dts' -o \
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-name '*.example.dt.yaml' \) -delete 2>/dev/null)
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