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authorPaul Eggleton <paul.eggleton@linux.microsoft.com>2020-06-14 21:48:43 -0700
committerRichard Purdie <richard.purdie@linuxfoundation.org>2020-06-16 23:39:28 +0100
commitb87f0746b01c079eab5fba81e2f9580dba75835e (patch)
treeda9e66d25fd44855a7d329bf89ba198bc7933513 /scripts
parent8f7c45c183e3d9ec15feb507cd923dea85b34f47 (diff)
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graph-tool: add filter subcommand
Add a filter subcommand to filter a task-depends.dot graph produced by bitbake -g down to just a subset of targets/tasks. (From OE-Core rev: a14b274b56676ff0ba55a4048169ad60c9514994) Signed-off-by: Paul Eggleton <paul.eggleton@linux.microsoft.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Diffstat (limited to 'scripts')
-rwxr-xr-xscripts/contrib/graph-tool43
1 files changed, 43 insertions, 0 deletions
diff --git a/scripts/contrib/graph-tool b/scripts/contrib/graph-tool
index 9402e617e9..26488930e0 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)