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[PULL,01/29] tests: bump QOS_PATH_MAX_ELEMENT_SIZE again

Message ID 20240306144041.3787188-2-alex.bennee@linaro.org
State New
Headers show
Series [PULL,01/29] tests: bump QOS_PATH_MAX_ELEMENT_SIZE again | expand

Commit Message

Alex Bennée March 6, 2024, 2:40 p.m. UTC 
We "fixed" a bug with LTO builds with 100c459f194 (tests/qtest: bump
up QOS_PATH_MAX_ELEMENT_SIZE) but it seems it has triggered again.

The array is sized according to the maximum anticipated length of a
path on the graph. However, the worst case for a depth-first search is
to push all nodes on the graph. So it's not really LTO, it depends on
the ordering of the constructors.

Lets be more assertive raising QOS_PATH_MAX_ELEMENT_SIZE to make it go
away again.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1186 (again)
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240305121005.3528075-2-alex.bennee@linaro.org>
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Patch

diff --git a/tests/qtest/libqos/qgraph.h b/tests/qtest/libqos/qgraph.h
index 287022a67c1..1b5de02e7be 100644
--- a/tests/qtest/libqos/qgraph.h
+++ b/tests/qtest/libqos/qgraph.h
@@ -24,7 +24,7 @@ 
 #include "libqos-malloc.h"
 
 /* maximum path length */
-#define QOS_PATH_MAX_ELEMENT_SIZE 64
+#define QOS_PATH_MAX_ELEMENT_SIZE 128
 
 typedef struct QOSGraphObject QOSGraphObject;
 typedef struct QOSGraphNode QOSGraphNode;