linux-kernel - [PATCH 16/21] perf scripts python: exported-sql-viewer.py: Use new 'has

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Message-Id: <20190710085810.1650-17-adrian.hunter@intel.com>
Date:   Wed, 10 Jul 2019 11:58:05 +0300
From:   Adrian Hunter <adrian.hunter@...el.com>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:     Jiri Olsa <jolsa@...hat.com>, linux-kernel@...r.kernel.org
Subject: [PATCH 16/21] perf scripts python: exported-sql-viewer.py: Use new 'has_calls' column

If the new 'has_calls' column is present, use it with the call graph and
call tree to select only comms that have calls.

Signed-off-by: Adrian Hunter <adrian.hunter@...el.com>
---
 tools/perf/scripts/python/exported-sql-viewer.py | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/tools/perf/scripts/python/exported-sql-viewer.py b/tools/perf/scripts/python/exported-sql-viewer.py
index dbbd7a5d9b60..61b3911d91e6 100755
--- a/tools/perf/scripts/python/exported-sql-viewer.py
+++ b/tools/perf/scripts/python/exported-sql-viewer.py
@@ -623,8 +623,11 @@ class CallGraphRootItem(CallGraphLevelItemBase):
 		super(CallGraphRootItem, self).__init__(glb, params, 0, None)
 		self.dbid = 0
 		self.query_done = True
+		if_has_calls = ""
+		if IsSelectable(glb.db, "comms", columns = "has_calls"):
+			if_has_calls = " WHERE has_calls = TRUE"
 		query = QSqlQuery(glb.db)
-		QueryExec(query, "SELECT id, comm FROM comms")
+		QueryExec(query, "SELECT id, comm FROM comms" + if_has_calls)
 		while query.next():
 			if not query.value(0):
 				continue
@@ -900,8 +903,11 @@ class CallTreeRootItem(CallGraphLevelItemBase):
 		super(CallTreeRootItem, self).__init__(glb, params, 0, None)
 		self.dbid = 0
 		self.query_done = True
+		if_has_calls = ""
+		if IsSelectable(glb.db, "comms", columns = "has_calls"):
+			if_has_calls = " WHERE has_calls = TRUE"
 		query = QSqlQuery(glb.db)
-		QueryExec(query, "SELECT id, comm FROM comms")
+		QueryExec(query, "SELECT id, comm FROM comms" + if_has_calls)
 		while query.next():
 			if not query.value(0):
 				continue
-- 
2.17.1