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-rw-r--r--tools/perf/util/db-export.c27
1 files changed, 12 insertions, 15 deletions
diff --git a/tools/perf/util/db-export.c b/tools/perf/util/db-export.c
index 69fbb0a72d0c..2182f552aac6 100644
--- a/tools/perf/util/db-export.c
+++ b/tools/perf/util/db-export.c
@@ -1,16 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* db-export.c: Support for exporting data suitable for import to a database
* Copyright (c) 2014, Intel Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
*/
#include <errno.h>
@@ -20,6 +11,7 @@
#include "thread.h"
#include "comm.h"
#include "symbol.h"
+#include "map.h"
#include "event.h"
#include "util.h"
#include "thread-stack.h"
@@ -509,18 +501,23 @@ int db_export__call_path(struct db_export *dbe, struct call_path *cp)
return 0;
}
-int db_export__call_return(struct db_export *dbe, struct call_return *cr)
+int db_export__call_return(struct db_export *dbe, struct call_return *cr,
+ u64 *parent_db_id)
{
int err;
- if (cr->db_id)
- return 0;
-
err = db_export__call_path(dbe, cr->cp);
if (err)
return err;
- cr->db_id = ++dbe->call_return_last_db_id;
+ if (!cr->db_id)
+ cr->db_id = ++dbe->call_return_last_db_id;
+
+ if (parent_db_id) {
+ if (!*parent_db_id)
+ *parent_db_id = ++dbe->call_return_last_db_id;
+ cr->parent_db_id = *parent_db_id;
+ }
if (dbe->export_call_return)
return dbe->export_call_return(dbe, cr);
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