Add a filter subcommand to filter a task-depends.dot graph produced by bitbake -g down to just a subset of targets/tasks.
Signed-off-by: Paul Eggleton <[email protected]> --- scripts/contrib/graph-tool | 43 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) diff --git a/scripts/contrib/graph-tool b/scripts/contrib/graph-tool index 9402e61..2648893 100755 --- a/scripts/contrib/graph-tool +++ b/scripts/contrib/graph-tool @@ -50,6 +50,40 @@ def find_paths(args): return 1 +def filter_graph(args): + import fnmatch + + exclude_tasks = [] + if args.exclude_tasks: + for task in args.exclude_tasks.split(','): + if not task.startswith('do_'): + task = 'do_%s' % task + exclude_tasks.append(task) + + def checkref(strval): + strval = strval.strip().strip('"') + target, taskname = strval.rsplit('.', 1) + if exclude_tasks: + for extask in exclude_tasks: + if fnmatch.fnmatch(taskname, extask): + return False + if strval in args.ref or target in args.ref: + return True + return False + + with open(args.infile, 'r') as f: + for line in f: + line = line.rstrip() + if line.startswith(('digraph', '}')): + print(line) + elif '->' in line: + linesplit = line.split('->') + if checkref(linesplit[0]) and checkref(linesplit[1]): + print(line) + elif (not args.no_nodes) and checkref(line.split()[0]): + print(line) + + def main(): parser = argparse_oe.ArgumentParser(description='Small utility for working with .dot graph files') @@ -64,6 +98,15 @@ def main(): parser_find_paths.add_argument('tonode', help='ending node name') parser_find_paths.set_defaults(func=find_paths) + parser_filter = subparsers.add_parser('filter', + help='Pare down a task graph to contain only the specified references', + description='Pares down a task-depends.dot graph produced by bitbake -g to contain only the specified references') + parser_filter.add_argument('infile', help='Input file') + parser_filter.add_argument('ref', nargs='+', help='Reference to include (either recipe/target name or full target.taskname specification)') + parser_filter.add_argument('-n', '--no-nodes', action='store_true', help='Skip node formatting lines') + parser_filter.add_argument('-x', '--exclude-tasks', help='Comma-separated list of tasks to exclude (do_ prefix optional, wildcards allowed)') + parser_filter.set_defaults(func=filter_graph) + args = parser.parse_args() ret = args.func(args) -- 1.8.3.1
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