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Date:   Tue, 26 Mar 2019 17:43:28 +0200
From:   Tzvetomir Stoyanov <>
Subject: [PATCH 8/8] tools/lib/traceevent: remove call to exit() from tep_filter_add_filter_str()

This patch removes call to exit() from tep_filter_add_filter_str(). A library
function should not force the application to exit. In the current implementation
tep_filter_add_filter_str() calls exit() when a special "test_filters" mode is
set, used only for debugging purposes. When this mode is set and a filter is
added - its string is printed to the console and exit() is called. This patch
changes the logic - when in "test_filters" mode, the filter string is still
printed, but the exit() is not called. It is up to the application to track when
"test_filters" mode is set and to call exit, if needed.

Signed-off-by: Tzvetomir Stoyanov <>
 tools/lib/traceevent/parse-filter.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/tools/lib/traceevent/parse-filter.c b/tools/lib/traceevent/parse-filter.c
index 298694356277..552592d153fb 100644
--- a/tools/lib/traceevent/parse-filter.c
+++ b/tools/lib/traceevent/parse-filter.c
@@ -1346,9 +1346,6 @@ enum tep_errno tep_filter_add_filter_str(struct tep_event_filter *filter,
-	if (rtn >= 0 && tep->test_filters)
-		exit(0);
 	return rtn;

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