a1e5496e4d
Change-Id: Ie5db3fcc6fccedb214aec472852d8d82813fb984 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/166744 Tested-by: Jenkins Reviewed-by: Christian Lohmaier <lohmaier+LibreOffice@googlemail.com>
69 lines
2.5 KiB
Makefile
69 lines
2.5 KiB
Makefile
# -*- Mode: makefile-gmake; tab-width: 4; indent-tabs-mode: t -*-
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#
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# This file is part of the LibreOffice project.
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#
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# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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#
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# Support for tracing what gbuild does.
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# Run 'make GBUILD_TRACE=/somewhere/log.json', process the file
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# using solenv/bin/finish-gbuild-trace.py, and then view it in Chromium
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# using the chrome://tracing URL:
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# - the '?' icon in the top-right is the help
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# - 'gbuild' rows represent per-parallelism (per-CPU) usage in time
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# - 'totals' rows represent sums for reach build type
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# - note that 'EXTERNAL' targets do not detect whether the external package
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# is built with parallelism or not, so the actual CPU time may be higher
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# - vertical lines represent targets that themselves do not take any time
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# to build
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# - any target can be found using the search field in the top right corner
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# (just type e.g. '[MOD]: sal' and hit the '->' button, if you cannot see
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# it pressing 'm' or 'f' can help)
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gb_TRACE :=
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ifneq ($(GBUILD_TRACE),)
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gb_TRACE := $(abspath $(GBUILD_TRACE))
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ifeq ($(OS),WNT)
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# abspath turns it into a windows-style path, but the build needs unix-style
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gb_TRACE := $(shell cygpath -u $(gb_TRACE))
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endif
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endif
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ifneq ($(gb_TRACE),)
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# macOS date doesn't know about nanoseconds switch, and instead of resorting to perl or python
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# to create a millisecond timestamp, just avoid the overhead and live with seconds-only accuracy
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gb_Trace_Timestamp := $(if $(filter MACOSX,$(OS)),$$(date +%s)000000000,$$(date +%s%N))
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# macOS also doesn't provide flock, so skip that part on mac
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# The (flock;cat) part is to minimize lock time.
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gb_Trace_Flock := $(if $(MSYSTEM)$(filter MACOSX,$(OS)),,| ( flock 1; cat ))
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# call gb_Trace_AddMark,marktype,detail,type,extra
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define gb_Trace__AddMark
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echo "{\"name\": \"$(3)\", \"ph\": \"$(1)\", \"pid\": 1, \"tid\": 1, \"ts\": $(gb_Trace_Timestamp),\"args\":{\"message\":\"[$(3)]: $(2)\"}}," $(gb_Trace_Flock) >>$(gb_TRACE)
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endef
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# call gb_Trace_StartRange,detail,type
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define gb_Trace_StartRange
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$(call gb_Trace__AddMark,B,$(1),$(2))
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endef
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# call gb_Trace_EndRange,detail,type
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define gb_Trace_EndRange
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$(call gb_Trace__AddMark,E,$(1),$(2))
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endef
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# call gb_Trace_MakeMark,detail,type
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define gb_Trace_MakeMark
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$(call gb_Trace__AddMark,i,$(1),$(2))
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endef
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ifeq ($(MAKE_RESTARTS),)
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$(shell rm -f $(gb_TRACE) 2>/dev/null)
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else
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$(shell $(call gb_Trace__AddMark,i,make restart,MAKE))
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endif
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endif
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# vim: set noet sw=4 ts=4:
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