gallium/tools: implement better suppression of variants

Previously some variants (such as execution time and call number
were suppressed in tracediff.sh via a sed script. It makes sense
to implement an option to leave out such variants to begin with
in dump.py, so let's do so and use it.

Signed-off-by: Matti Hamalainen <ccr@tnsp.org>
Acked-By: Mike Blumenkrantz <michael.blumenkrantz@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10648>

src/gallium/tools/trace/model.py

@@ -45,7 +45,7 @@ class Node:
     def __str__(self):
         stream = StringIO()
         formatter = format.Formatter(stream)
-        pretty_printer = PrettyPrinter(formatter)
+        pretty_printer = PrettyPrinter(formatter, {})
         self.visit(pretty_printer)
         return stream.getvalue()
 
@@ -164,9 +164,11 @@ class Visitor:
 
 class PrettyPrinter:
 
-    def __init__(self, formatter):
+    def __init__(self, formatter, options):
         self.formatter = formatter
     
+        self.options = options
+
     def visit_literal(self, node):
         if node.value is None:
             self.formatter.literal('NULL')
@@ -208,7 +210,8 @@ class PrettyPrinter:
         self.formatter.address(node.address)
 
     def visit_call(self, node):
-        self.formatter.text('%s ' % node.no)
+        if not self.options.suppress_variants:
+            self.formatter.text('%s ' % node.no)
         if node.klass is not None:
             self.formatter.function(node.klass + '::' + node.method)
         else:
@@ -225,7 +228,7 @@ class PrettyPrinter:
         if node.ret is not None:
             self.formatter.text(' = ')
             node.ret.visit(self)
-        if node.time is not None:
+        if not self.options.suppress_variants and node.time is not None:
             self.formatter.text(' // time ')
             node.time.visit(self)
 

src/gallium/tools/trace/parse.py

@@ -359,7 +359,7 @@ class TraceDumper(TraceParser):
             self.formatter = format.Formatter(outStream)
         else:
             self.formatter = format.DefaultFormatter(outStream)
-        self.pretty_printer = PrettyPrinter(self.formatter)
+        self.pretty_printer = PrettyPrinter(self.formatter, options)
 
     def handle_call(self, call):
         call.visit(self.pretty_printer)
@@ -400,6 +400,9 @@ class Main:
         optparser.add_argument("-p", "--plain",
             action="store_const", const=True, default=False,
             dest="plain", help="disable ANSI color etc. formatting")
+        optparser.add_argument("-S", "--suppress",
+            action="store_const", const=True, default=False,
+            dest="suppress_variants", help="suppress some variants in output for better diffability")
         return optparser
 
     def process_arg(self, stream, options):

src/gallium/tools/trace/tracediff.sh

@@ -49,13 +49,11 @@ strip_dump()
 	OUTFILE="$1"
 	shift
 
-	python3 "$TRACEDUMP" --plain "$@" "$INFILE" \
+	python3 "$TRACEDUMP" --plain --suppress "$@" "$INFILE" \
 	| sed \
-		-e 's@ // time .*@@' \
 		-e '/pipe_screen::is_format_supported/d' \
 		-e '/pipe_screen::get_\(shader_\)\?paramf\?/d' \
 		-e 's/\r$//g' \
-		-e 's/^[0-9]\+ //' \
 		-e 's/pipe = \w\+/pipe/g' \
 		-e 's/screen = \w\+/screen/g' \
 		-e 's/, /,\n\t/g' \