From ac61a8498e4aff93c8bc269d0904ef5d2cb10200 Mon Sep 17 00:00:00 2001
From: Steffen Vogel <stvogel@eonerc.rwth-aachen.de>
Date: Wed, 8 Jun 2016 22:30:30 +0200
Subject: [PATCH] added function to get system cache line size

---
 include/linux.h | 3 +++
 lib/linux.c     | 4 ++++
 2 files changed, 7 insertions(+)

diff --git a/include/linux.h b/include/linux.h
index 64e5bde77..1a73c3416 100644
--- a/include/linux.h
+++ b/include/linux.h
@@ -48,4 +48,7 @@ int kernel_module_load(const char *module);
 /** Set parameter of loaded kernel module */
 int kernel_module_set_param(const char *module, const char *param, const char *value);
 
+/** Get cacheline size in bytes */
+int kernel_get_cacheline_size();
+
 #endif /* _LINUX_H_ */
diff --git a/lib/linux.c b/lib/linux.c
index e6f495426..c95081a8d 100644
--- a/lib/linux.c
+++ b/lib/linux.c
@@ -123,4 +123,8 @@ int kernel_has_cmdline(const char *substr)
 		return -1;
 
 	return strstr(cmd, substr) ? 0 : -1;
+}
+int kernel_get_cacheline_size()
+{
+	return sysconf(_SC_LEVEL1_ICACHE_LINESIZE);
 }
\ No newline at end of file