[tip: perf/core] perf scripts python: exported-sql-viewer.py: Add LookupModel()

[tip-bot2 for Adrian Hunter]

The following commit has been merged into the perf/core branch of tip:

Commit-ID:     181ea40a24af9a60c2ee75d4f271980f6453f585
Gitweb:        https://git.kernel.org/tip/181ea40a24af9a60c2ee75d4f271980f6453f585
Author:        Adrian Hunter <adrian.hunter@xxxxxxxxx>
AuthorDate:    Wed, 21 Aug 2019 11:32:11 +03:00
Committer:     Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitterDate: Mon, 07 Oct 2019 12:22:17 -03:00

perf scripts python: exported-sql-viewer.py: Add LookupModel()

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

Signed-off-by: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Link: http://lore.kernel.org/lkml/20190821083216.1340-2-adrian.hunter@xxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
 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 61b3911..18ad046 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():