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From 9b5f22854297aabb924969c25af66461d8d2fcb9 Mon Sep 17 00:00:00 2001
From: Dominique Martinet <asmadeus@codewreck.org>
Date: Fri, 21 Jun 2024 21:02:09 +0900
Subject: [PATCH] tools/runqlat: provide TASK_RUNNING as a define
runqlat requires kernel headers to run even with BTF, just because of a
define.
TASK_RUNNING isn't part of the stable API but it's never changed in all
of the linux git history so let's pretend it's stable and just define
it.
If we find a way to handle kheaders again in the future we might want to
consider reverting this.
Fixes: #3255
(cherry picked from commit aa041d9d85f9ec11235c39fdcb5833412ec27083)
---
tools/runqlat.bt | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/tools/runqlat.bt b/tools/runqlat.bt
index 3d71b76062eb..1298f399aee7 100755
--- a/tools/runqlat.bt
+++ b/tools/runqlat.bt
@@ -11,7 +11,17 @@
* 17-Sep-2018 Brendan Gregg Created this.
*/
+#ifndef BPFTRACE_HAVE_BTF
#include <linux/sched.h>
+#else
+/*
+ * With BTF providing types, full headers are not needed.
+ * We only need to supply the preprocessor defines used in this script.
+ * TASK_RUNNING is not arch-dependant and has not changed in the linux
+ * git history (it is not part of the stable API though)
+ */
+#define TASK_RUNNING 0
+#endif
BEGIN
{
--
2.45.2
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