linux-kernel - Re: [PATCH 7/8] perf scripts python: exported-sql-viewer.py: Factor out CallGraphModelBase

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Date:   Fri, 1 Mar 2019 14:56:36 -0300
From:   Arnaldo Carvalho de Melo <arnaldo.melo@...il.com>
To:     Adrian Hunter <adrian.hunter@...el.com>
Cc:     Jiri Olsa <jolsa@...hat.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 7/8] perf scripts python: exported-sql-viewer.py: Factor
 out CallGraphModelBase

Em Thu, Feb 28, 2019 at 03:00:30PM +0200, Adrian Hunter escreveu:
> Factor out a base class CallGraphModelBase from CallGraphModel, so that
> CallGraphModelBase can be reused.

Thanks, applied.

- Arnaldo
 
> Signed-off-by: Adrian Hunter <adrian.hunter@...el.com>
> ---
>  .../scripts/python/exported-sql-viewer.py     | 100 ++++++++++--------
>  1 file changed, 55 insertions(+), 45 deletions(-)
> 
> diff --git a/tools/perf/scripts/python/exported-sql-viewer.py b/tools/perf/scripts/python/exported-sql-viewer.py
> index b2a22525549d..c4a2134d85f5 100755
> --- a/tools/perf/scripts/python/exported-sql-viewer.py
> +++ b/tools/perf/scripts/python/exported-sql-viewer.py
> @@ -558,26 +558,12 @@ class CallGraphRootItem(CallGraphLevelItemBase):
>  			self.child_items.append(child_item)
>  			self.child_count += 1
>  
> -# Context-sensitive call graph data model
> +# Context-sensitive call graph data model base
>  
> -class CallGraphModel(TreeModel):
> +class CallGraphModelBase(TreeModel):
>  
>  	def __init__(self, glb, parent=None):
> -		super(CallGraphModel, self).__init__(glb, parent)
> -
> -	def GetRoot(self):
> -		return CallGraphRootItem(self.glb)
> -
> -	def columnCount(self, parent=None):
> -		return 7
> -
> -	def columnHeader(self, column):
> -		headers = ["Call Path", "Object", "Count ", "Time (ns) ", "Time (%) ", "Branch Count ", "Branch Count (%) "]
> -		return headers[column]
> -
> -	def columnAlignment(self, column):
> -		alignment = [ Qt.AlignLeft, Qt.AlignLeft, Qt.AlignRight, Qt.AlignRight, Qt.AlignRight, Qt.AlignRight, Qt.AlignRight ]
> -		return alignment[column]
> +		super(CallGraphModelBase, self).__init__(glb, parent)
>  
>  	def FindSelect(self, value, pattern, query):
>  		if pattern:
> @@ -597,34 +583,7 @@ class CallGraphModel(TreeModel):
>  				match = " GLOB '" + str(value) + "'"
>  		else:
>  			match = " = '" + str(value) + "'"
> -		QueryExec(query, "SELECT call_path_id, comm_id, thread_id"
> -						" FROM calls"
> -						" INNER JOIN call_paths ON calls.call_path_id = call_paths.id"
> -						" INNER JOIN symbols ON call_paths.symbol_id = symbols.id"
> -						" WHERE symbols.name" + match +
> -						" GROUP BY comm_id, thread_id, call_path_id"
> -						" ORDER BY comm_id, thread_id, call_path_id")
> -
> -	def FindPath(self, query):
> -		# Turn the query result into a list of ids that the tree view can walk
> -		# to open the tree at the right place.
> -		ids = []
> -		parent_id = query.value(0)
> -		while parent_id:
> -			ids.insert(0, parent_id)
> -			q2 = QSqlQuery(self.glb.db)
> -			QueryExec(q2, "SELECT parent_id"
> -					" FROM call_paths"
> -					" WHERE id = " + str(parent_id))
> -			if not q2.next():
> -				break
> -			parent_id = q2.value(0)
> -		# The call path root is not used
> -		if ids[0] == 1:
> -			del ids[0]
> -		ids.insert(0, query.value(2))
> -		ids.insert(0, query.value(1))
> -		return ids
> +		self.DoFindSelect(query, match)
>  
>  	def Found(self, query, found):
>  		if found:
> @@ -678,6 +637,57 @@ class CallGraphModel(TreeModel):
>  	def FindDone(self, thread, callback, ids):
>  		callback(ids)
>  
> +# Context-sensitive call graph data model
> +
> +class CallGraphModel(CallGraphModelBase):
> +
> +	def __init__(self, glb, parent=None):
> +		super(CallGraphModel, self).__init__(glb, parent)
> +
> +	def GetRoot(self):
> +		return CallGraphRootItem(self.glb)
> +
> +	def columnCount(self, parent=None):
> +		return 7
> +
> +	def columnHeader(self, column):
> +		headers = ["Call Path", "Object", "Count ", "Time (ns) ", "Time (%) ", "Branch Count ", "Branch Count (%) "]
> +		return headers[column]
> +
> +	def columnAlignment(self, column):
> +		alignment = [ Qt.AlignLeft, Qt.AlignLeft, Qt.AlignRight, Qt.AlignRight, Qt.AlignRight, Qt.AlignRight, Qt.AlignRight ]
> +		return alignment[column]
> +
> +	def DoFindSelect(self, query, match):
> +		QueryExec(query, "SELECT call_path_id, comm_id, thread_id"
> +						" FROM calls"
> +						" INNER JOIN call_paths ON calls.call_path_id = call_paths.id"
> +						" INNER JOIN symbols ON call_paths.symbol_id = symbols.id"
> +						" WHERE symbols.name" + match +
> +						" GROUP BY comm_id, thread_id, call_path_id"
> +						" ORDER BY comm_id, thread_id, call_path_id")
> +
> +	def FindPath(self, query):
> +		# Turn the query result into a list of ids that the tree view can walk
> +		# to open the tree at the right place.
> +		ids = []
> +		parent_id = query.value(0)
> +		while parent_id:
> +			ids.insert(0, parent_id)
> +			q2 = QSqlQuery(self.glb.db)
> +			QueryExec(q2, "SELECT parent_id"
> +					" FROM call_paths"
> +					" WHERE id = " + str(parent_id))
> +			if not q2.next():
> +				break
> +			parent_id = q2.value(0)
> +		# The call path root is not used
> +		if ids[0] == 1:
> +			del ids[0]
> +		ids.insert(0, query.value(2))
> +		ids.insert(0, query.value(1))
> +		return ids
> +
>  # Vertical widget layout
>  
>  class VBox():
> -- 
> 2.17.1

-- 

- Arnaldo