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Diffstat (limited to 'qemu/roms/u-boot/tools/buildman/control.py')
| -rw-r--r-- | qemu/roms/u-boot/tools/buildman/control.py | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/tools/buildman/control.py b/qemu/roms/u-boot/tools/buildman/control.py new file mode 100644 index 000000000..d2f4102ba --- /dev/null +++ b/qemu/roms/u-boot/tools/buildman/control.py @@ -0,0 +1,174 @@ +# Copyright (c) 2013 The Chromium OS Authors. +# +# SPDX-License-Identifier: GPL-2.0+ +# + +import multiprocessing +import os +import sys + +import board +import bsettings +from builder import Builder +import gitutil +import patchstream +import terminal +import toolchain + +def GetPlural(count): + """Returns a plural 's' if count is not 1""" + return 's' if count != 1 else '' + +def GetActionSummary(is_summary, count, selected, options): + """Return a string summarising the intended action. + + Returns: + Summary string. + """ + count = (count + options.step - 1) / options.step + str = '%s %d commit%s for %d boards' % ( + 'Summary of' if is_summary else 'Building', count, GetPlural(count), + len(selected)) + str += ' (%d thread%s, %d job%s per thread)' % (options.threads, + GetPlural(options.threads), options.jobs, GetPlural(options.jobs)) + return str + +def ShowActions(series, why_selected, boards_selected, builder, options): + """Display a list of actions that we would take, if not a dry run. + + Args: + series: Series object + why_selected: Dictionary where each key is a buildman argument + provided by the user, and the value is the boards brought + in by that argument. For example, 'arm' might bring in + 400 boards, so in this case the key would be 'arm' and + the value would be a list of board names. + boards_selected: Dict of selected boards, key is target name, + value is Board object + builder: The builder that will be used to build the commits + options: Command line options object + """ + col = terminal.Color() + print 'Dry run, so not doing much. But I would do this:' + print + print GetActionSummary(False, len(series.commits), boards_selected, + options) + print 'Build directory: %s' % builder.base_dir + for upto in range(0, len(series.commits), options.step): + commit = series.commits[upto] + print ' ', col.Color(col.YELLOW, commit.hash, bright=False), + print commit.subject + print + for arg in why_selected: + if arg != 'all': + print arg, ': %d boards' % why_selected[arg] + print ('Total boards to build for each commit: %d\n' % + why_selected['all']) + +def DoBuildman(options, args): + """The main control code for buildman + + Args: + options: Command line options object + args: Command line arguments (list of strings) + """ + gitutil.Setup() + + bsettings.Setup() + options.git_dir = os.path.join(options.git, '.git') + + toolchains = toolchain.Toolchains() + toolchains.Scan(options.list_tool_chains) + if options.list_tool_chains: + toolchains.List() + print + return + + # Work out how many commits to build. We want to build everything on the + # branch. We also build the upstream commit as a control so we can see + # problems introduced by the first commit on the branch. + col = terminal.Color() + count = options.count + if count == -1: + if not options.branch: + str = 'Please use -b to specify a branch to build' + print col.Color(col.RED, str) + sys.exit(1) + count = gitutil.CountCommitsInBranch(options.git_dir, options.branch) + if count is None: + str = "Branch '%s' not found or has no upstream" % options.branch + print col.Color(col.RED, str) + sys.exit(1) + count += 1 # Build upstream commit also + + if not count: + str = ("No commits found to process in branch '%s': " + "set branch's upstream or use -c flag" % options.branch) + print col.Color(col.RED, str) + sys.exit(1) + + # Work out what subset of the boards we are building + boards = board.Boards() + boards.ReadBoards(os.path.join(options.git, 'boards.cfg')) + why_selected = boards.SelectBoards(args) + selected = boards.GetSelected() + if not len(selected): + print col.Color(col.RED, 'No matching boards found') + sys.exit(1) + + # Read the metadata from the commits. First look at the upstream commit, + # then the ones in the branch. We would like to do something like + # upstream/master~..branch but that isn't possible if upstream/master is + # a merge commit (it will list all the commits that form part of the + # merge) + range_expr = gitutil.GetRangeInBranch(options.git_dir, options.branch) + upstream_commit = gitutil.GetUpstream(options.git_dir, options.branch) + series = patchstream.GetMetaDataForList(upstream_commit, options.git_dir, + 1) + # Conflicting tags are not a problem for buildman, since it does not use + # them. For example, Series-version is not useful for buildman. On the + # other hand conflicting tags will cause an error. So allow later tags + # to overwrite earlier ones. + series.allow_overwrite = True + series = patchstream.GetMetaDataForList(range_expr, options.git_dir, None, + series) + + # By default we have one thread per CPU. But if there are not enough jobs + # we can have fewer threads and use a high '-j' value for make. + if not options.threads: + options.threads = min(multiprocessing.cpu_count(), len(selected)) + if not options.jobs: + options.jobs = max(1, (multiprocessing.cpu_count() + + len(selected) - 1) / len(selected)) + + if not options.step: + options.step = len(series.commits) - 1 + + # Create a new builder with the selected options + output_dir = os.path.join(options.output_dir, options.branch) + builder = Builder(toolchains, output_dir, options.git_dir, + options.threads, options.jobs, checkout=True, + show_unknown=options.show_unknown, step=options.step) + builder.force_config_on_failure = not options.quick + + # For a dry run, just show our actions as a sanity check + if options.dry_run: + ShowActions(series, why_selected, selected, builder, options) + else: + builder.force_build = options.force_build + + # Work out which boards to build + board_selected = boards.GetSelectedDict() + + print GetActionSummary(options.summary, count, board_selected, options) + + if options.summary: + # We can't show function sizes without board details at present + if options.show_bloat: + options.show_detail = True + builder.ShowSummary(series.commits, board_selected, + options.show_errors, options.show_sizes, + options.show_detail, options.show_bloat) + else: + builder.BuildBoards(series.commits, board_selected, + options.show_errors, options.keep_outputs) |