[dpdk-dev] [PATCH 3/3] app/test: use memory barrier version of rte_rdtsc() eal api for multi arch support

Jerin Jacob jerin.jacob at caviumnetworks.com
Sun Aug 30 10:55:22 CEST 2015


Signed-off-by: Jerin Jacob <jerin.jacob at caviumnetworks.com>
---
 app/test/test_red.c | 11 +----------
 1 file changed, 1 insertion(+), 10 deletions(-)

diff --git a/app/test/test_red.c b/app/test/test_red.c
index 262df72..37841b3 100644
--- a/app/test/test_red.c
+++ b/app/test/test_red.c
@@ -146,16 +146,7 @@ static void rdtsc_prof_init(struct rdtsc_prof *p, const char *name)
 
 static inline void rdtsc_prof_start(struct rdtsc_prof *p)
 {
-#ifdef __PIC__
-    asm volatile (
-    "mov %%ebx, %%edi\n"
-    "cpuid\n"
-    "xchgl %%ebx, %%edi;\n"
-	: : : "%eax", "%edi", "%ecx", "%edx" );
-#else
-	asm( "cpuid" : : : "%eax", "%ebx", "%ecx", "%edx" );
-#endif
-	p->clk_start = rte_rdtsc();
+	p->clk_start = rte_rdtsc_precise();
 }
 
 static inline void rdtsc_prof_end(struct rdtsc_prof *p)
-- 
2.1.0



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