linux-kernel - Re: [PATCH 6/8] perf scripts python: exported-sql-viewer.py: Improve TreeModel abstraction

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Date:   Fri, 1 Mar 2019 14:55:53 -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 6/8] perf scripts python: exported-sql-viewer.py: Improve
 TreeModel abstraction

Em Thu, Feb 28, 2019 at 03:00:29PM +0200, Adrian Hunter escreveu:
> Instead of passing the tree root, get it from a method that can be
> implemented in any derived class.

Thanks, applied.

- Arnaldo
 
> Signed-off-by: Adrian Hunter <adrian.hunter@...el.com>
> ---
>  .../perf/scripts/python/exported-sql-viewer.py  | 17 +++++++++++------
>  1 file changed, 11 insertions(+), 6 deletions(-)
> 
> diff --git a/tools/perf/scripts/python/exported-sql-viewer.py b/tools/perf/scripts/python/exported-sql-viewer.py
> index df854f0a69f0..b2a22525549d 100755
> --- a/tools/perf/scripts/python/exported-sql-viewer.py
> +++ b/tools/perf/scripts/python/exported-sql-viewer.py
> @@ -167,9 +167,10 @@ class Thread(QThread):
>  
>  class TreeModel(QAbstractItemModel):
>  
> -	def __init__(self, root, parent=None):
> +	def __init__(self, glb, parent=None):
>  		super(TreeModel, self).__init__(parent)
> -		self.root = root
> +		self.glb = glb
> +		self.root = self.GetRoot()
>  		self.last_row_read = 0
>  
>  	def Item(self, parent):
> @@ -562,8 +563,10 @@ class CallGraphRootItem(CallGraphLevelItemBase):
>  class CallGraphModel(TreeModel):
>  
>  	def __init__(self, glb, parent=None):
> -		super(CallGraphModel, self).__init__(CallGraphRootItem(glb), parent)
> -		self.glb = glb
> +		super(CallGraphModel, self).__init__(glb, parent)
> +
> +	def GetRoot(self):
> +		return CallGraphRootItem(self.glb)
>  
>  	def columnCount(self, parent=None):
>  		return 7
> @@ -1339,8 +1342,7 @@ class BranchModel(TreeModel):
>  	progress = Signal(object)
>  
>  	def __init__(self, glb, event_id, where_clause, parent=None):
> -		super(BranchModel, self).__init__(BranchRootItem(), parent)
> -		self.glb = glb
> +		super(BranchModel, self).__init__(glb, parent)
>  		self.event_id = event_id
>  		self.more = True
>  		self.populated = 0
> @@ -1364,6 +1366,9 @@ class BranchModel(TreeModel):
>  		self.fetcher.done.connect(self.Update)
>  		self.fetcher.Fetch(glb_chunk_sz)
>  
> +	def GetRoot(self):
> +		return BranchRootItem()
> +
>  	def columnCount(self, parent=None):
>  		return 8
>  
> -- 
> 2.17.1

-- 

- Arnaldo