[dpdk-dev] PPC64: add cpu cycle support to IBM POWER8 PPC64LE
Commit Message
On IBM POWER8 PPC64 little endian architecture, the definition of tsc
union will be different. This patch fix this to enable the right output
from rte_rdtsc().
Signed-off-by: Chao Zhu <chaozhu@linux.vnet.ibm.com>
---
.../common/include/arch/ppc_64/rte_cycles.h | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
Comments
2015-08-03 15:16, Chao Zhu:
> On IBM POWER8 PPC64 little endian architecture, the definition of tsc
> union will be different. This patch fix this to enable the right output
> from rte_rdtsc().
>
> Signed-off-by: Chao Zhu <chaozhu@linux.vnet.ibm.com>
Applied, thanks
@@ -51,8 +51,13 @@ rte_rdtsc(void)
union {
uint64_t tsc_64;
struct {
+#if RTE_BYTE_ORDER == RTE_BIG_ENDIAN
uint32_t hi_32;
uint32_t lo_32;
+#else
+ uint32_t lo_32;
+ uint32_t hi_32;
+#endif
};
} tsc;
uint32_t tmp;