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From: Gowrishankar <gowrishankar.m@linux.vnet.ibm.com>
To: dev@dpdk.org
Cc: Chao Zhu <chaozhu@linux.vnet.ibm.com>,
Bruce Richardson <bruce.richardson@intel.com>,
Konstantin Ananyev <konstantin.ananyev@intel.com>,
Cristian Dumitrescu <cristian.dumitrescu@intel.com>,
pradeep@us.ibm.com, gowrishankar <gowrishankar.m@linux.vnet.ibm.com>
Date: Thu, 7 Jul 2016 08:27:55 +0530
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Subject: [dpdk-dev] [PATCH 5/6] ip_pipeline: fix lcore mapping for varying
SMT threads as in ppc64
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From: gowrishankar <gowrishankar.m@linux.vnet.ibm.com>
offline lcore would still refer to original core id and this has to
be considered while creating cpu core mask.
Signed-off-by: Gowrishankar <gowrishankar.m@linux.vnet.ibm.com>
---
examples/ip_pipeline/cpu_core_map.c | 12 +-----------
examples/ip_pipeline/init.c | 4 ++++
2 files changed, 5 insertions(+), 11 deletions(-)
diff --git a/examples/ip_pipeline/cpu_core_map.c b/examples/ip_pipeline/cpu_core_map.c
index cb088b1..482e68e 100644
--- a/examples/ip_pipeline/cpu_core_map.c
+++ b/examples/ip_pipeline/cpu_core_map.c
@@ -351,9 +351,6 @@ cpu_core_map_compute_linux(struct cpu_core_map *map)
int lcore_socket_id =
cpu_core_map_get_socket_id_linux(lcore_id);
- if (lcore_socket_id < 0)
- return -1;
-
if (((uint32_t) lcore_socket_id) == socket_id)
n_detected++;
}
@@ -368,18 +365,11 @@ cpu_core_map_compute_linux(struct cpu_core_map *map)
cpu_core_map_get_socket_id_linux(
lcore_id);
- if (lcore_socket_id < 0)
- return -1;
-
int lcore_core_id =
cpu_core_map_get_core_id_linux(
lcore_id);
- if (lcore_core_id < 0)
- return -1;
-
- if (((uint32_t) lcore_socket_id == socket_id) &&
- ((uint32_t) lcore_core_id == core_id)) {
+ if ((uint32_t) lcore_socket_id == socket_id) {
uint32_t pos = cpu_core_map_pos(map,
socket_id,
core_id_contig,
diff --git a/examples/ip_pipeline/init.c b/examples/ip_pipeline/init.c
index 83422e8..4acd38c 100644
--- a/examples/ip_pipeline/init.c
+++ b/examples/ip_pipeline/init.c
@@ -59,7 +59,11 @@ static void
app_init_core_map(struct app_params *app)
{
APP_LOG(app, HIGH, "Initializing CPU core map ...");
+#if defined(RTE_ARCH_PPC_64)
+ app->core_map = cpu_core_map_init(2, 5, 1, 0);
+#else
app->core_map = cpu_core_map_init(4, 32, 4, 0);
+#endif
if (app->core_map == NULL)
rte_panic("Cannot create CPU core map\n");
--
1.9.1