[dpdk-dev,v4,10/14] Add cache size define for IBM Power Architecture
Commit Message
IBM Power architecture has different cache line size (128 bytes) than
x86 (64 bytes). This patch defines CACHE_LINE_SIZE to 128 bytes to
override the default value 64 bytes to support IBM Power Architecture.
Signed-off-by: Chao Zhu <chaozhu@linux.vnet.ibm.com>
---
app/test/test_malloc.c | 8 ++++----
mk/arch/ppc_64/rte.vars.mk | 2 +-
2 files changed, 5 insertions(+), 5 deletions(-)
@@ -300,9 +300,9 @@ test_big_alloc(void)
size_t size =rte_str_to_size(MALLOC_MEMZONE_SIZE)*2;
int align = 0;
#ifndef RTE_LIBRTE_MALLOC_DEBUG
- int overhead = 64 + 64;
+ int overhead = CACHE_LINE_SIZE + CACHE_LINE_SIZE;
#else
- int overhead = 64 + 64 + 64;
+ int overhead = CACHE_LINE_SIZE + CACHE_LINE_SIZE + CACHE_LINE_SIZE;
#endif
rte_malloc_get_socket_stats(socket, &pre_stats);
@@ -356,9 +356,9 @@ test_multi_alloc_statistics(void)
#ifndef RTE_LIBRTE_MALLOC_DEBUG
int trailer_size = 0;
#else
- int trailer_size = 64;
+ int trailer_size = CACHE_LINE_SIZE;
#endif
- int overhead = 64 + trailer_size;
+ int overhead = CACHE_LINE_SIZE + trailer_size;
rte_malloc_get_socket_stats(socket, &pre_stats);
@@ -32,7 +32,7 @@
ARCH ?= powerpc
CROSS ?=
-CPU_CFLAGS ?= -m64
+CPU_CFLAGS ?= -m64 -DCACHE_LINE_SIZE=128
CPU_LDFLAGS ?=
CPU_ASFLAGS ?= -felf64