| # 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 |
| import command |
| import subprocess |
| |
| def GetPlural(count): |
| """Returns a plural 's' if count is not 1""" |
| return 's' if count != 1 else '' |
| |
| def GetActionSummary(is_summary, commits, selected, options): |
| """Return a string summarising the intended action. |
| |
| Returns: |
| Summary string. |
| """ |
| if commits: |
| count = len(commits) |
| count = (count + options.step - 1) / options.step |
| commit_str = '%d commit%s' % (count, GetPlural(count)) |
| else: |
| commit_str = 'current source' |
| str = '%s %s for %d boards' % ( |
| 'Summary of' if is_summary else 'Building', commit_str, |
| 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 |
| if series: |
| commits = series.commits |
| else: |
| commits = None |
| print GetActionSummary(False, commits, boards_selected, |
| options) |
| print 'Build directory: %s' % builder.base_dir |
| if commits: |
| 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: |
| count = 1 |
| else: |
| 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 |
| board_file = os.path.join(options.git, 'boards.cfg') |
| if not os.path.exists(board_file): |
| print 'Could not find %s' % board_file |
| status = subprocess.call([os.path.join(options.git, |
| 'tools/genboardscfg.py')]) |
| if status != 0: |
| print >> sys.stderr, "Failed to generate boards.cfg" |
| sys.exit(1) |
| |
| 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) |
| if options.branch: |
| 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) |
| else: |
| series = None |
| |
| # 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 |
| |
| gnu_make = command.Output(os.path.join(options.git, |
| 'scripts/show-gnu-make')).rstrip() |
| if not gnu_make: |
| print >> sys.stderr, 'GNU Make not found' |
| sys.exit(1) |
| |
| # Create a new builder with the selected options |
| if options.branch: |
| dirname = options.branch |
| else: |
| dirname = 'current' |
| output_dir = os.path.join(options.output_dir, dirname) |
| builder = Builder(toolchains, output_dir, options.git_dir, |
| options.threads, options.jobs, gnu_make=gnu_make, 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 |
| builder.force_build_failures = options.force_build_failures |
| builder.force_reconfig = options.force_reconfig |
| builder.in_tree = options.in_tree |
| |
| # Work out which boards to build |
| board_selected = boards.GetSelectedDict() |
| |
| if series: |
| commits = series.commits |
| else: |
| commits = None |
| |
| print GetActionSummary(options.summary, commits, 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(commits, board_selected, |
| options.show_errors, options.show_sizes, |
| options.show_detail, options.show_bloat) |
| else: |
| builder.BuildBoards(commits, board_selected, |
| options.show_errors, options.keep_outputs) |