linux-kernel - [PATCH 09/69] perf scripts python: exported-sql-viewer.py: Add LookupModel()

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Message-Id: <20191011200559.7156-10-acme@kernel.org>
Date:   Fri, 11 Oct 2019 17:04:59 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Ingo Molnar <mingo@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>
Cc:     Jiri Olsa <jolsa@...nel.org>, Namhyung Kim <namhyung@...nel.org>,
        Clark Williams <williams@...hat.com>,
        linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org,
        Adrian Hunter <adrian.hunter@...el.com>,
        Jiri Olsa <jolsa@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: [PATCH 09/69] perf scripts python: exported-sql-viewer.py: Add LookupModel()

From: Adrian Hunter <adrian.hunter@...el.com>

Add LookupModel() to find a model in the model cache without creating it.

Signed-off-by: Adrian Hunter <adrian.hunter@...el.com>
Cc: Jiri Olsa <jolsa@...hat.com>
Link: http://lore.kernel.org/lkml/20190821083216.1340-2-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/scripts/python/exported-sql-viewer.py | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/tools/perf/scripts/python/exported-sql-viewer.py b/tools/perf/scripts/python/exported-sql-viewer.py
index 61b3911d91e6..18ad04654adc 100755
--- a/tools/perf/scripts/python/exported-sql-viewer.py
+++ b/tools/perf/scripts/python/exported-sql-viewer.py
@@ -341,6 +341,15 @@ def LookupCreateModel(model_name, create_fn):
 	model_cache_lock.release()
 	return model
 
+def LookupModel(model_name):
+	model_cache_lock.acquire()
+	try:
+		model = model_cache[model_name]
+	except:
+		model = None
+	model_cache_lock.release()
+	return model
+
 # Find bar
 
 class FindBar():
-- 
2.21.0