[dpdk-dev] [PATCH 3/7] bus/dpaa: reduce syscall usages

Hemant Agrawal hemant.agrawal at nxp.com
Mon Jul 19 15:59:13 CEST 2021


Reuse dpdk rte_gettid instead of syscall.
It will help to reduce the dpaa portal allocation time.

Signed-off-by: Hemant Agrawal <hemant.agrawal at nxp.com>
---
 drivers/bus/dpaa/dpaa_bus.c              | 3 +--
 drivers/bus/fslmc/portal/dpaa2_hw_dpio.c | 9 ++++-----
 2 files changed, 5 insertions(+), 7 deletions(-)

diff --git a/drivers/bus/dpaa/dpaa_bus.c b/drivers/bus/dpaa/dpaa_bus.c
index 2f48d4036b..e499305d85 100644
--- a/drivers/bus/dpaa/dpaa_bus.c
+++ b/drivers/bus/dpaa/dpaa_bus.c
@@ -12,7 +12,6 @@
 #include <signal.h>
 #include <pthread.h>
 #include <sys/types.h>
-#include <sys/syscall.h>
 #include <sys/eventfd.h>
 
 #include <rte_byteorder.h>
@@ -314,7 +313,7 @@ int rte_dpaa_portal_init(void *arg)
 
 	DPAA_PER_LCORE_PORTAL->qman_idx = qman_get_portal_index();
 	DPAA_PER_LCORE_PORTAL->bman_idx = bman_get_portal_index();
-	DPAA_PER_LCORE_PORTAL->tid = syscall(SYS_gettid);
+	DPAA_PER_LCORE_PORTAL->tid = rte_gettid();
 
 	ret = pthread_setspecific(dpaa_portal_key,
 				  (void *)DPAA_PER_LCORE_PORTAL);
diff --git a/drivers/bus/fslmc/portal/dpaa2_hw_dpio.c b/drivers/bus/fslmc/portal/dpaa2_hw_dpio.c
index c6f8312a1d..c224a883ae 100644
--- a/drivers/bus/fslmc/portal/dpaa2_hw_dpio.c
+++ b/drivers/bus/fslmc/portal/dpaa2_hw_dpio.c
@@ -19,7 +19,6 @@
 #include <sys/ioctl.h>
 #include <sys/stat.h>
 #include <sys/mman.h>
-#include <sys/syscall.h>
 #include <sys/epoll.h>
 #include<sys/eventfd.h>
 
@@ -278,8 +277,8 @@ static struct dpaa2_dpio_dev *dpaa2_get_qbman_swp(void)
 		return NULL;
 	}
 
-	DPAA2_BUS_DEBUG("New Portal %p (%d) affined thread - %lu",
-			dpio_dev, dpio_dev->index, syscall(SYS_gettid));
+	DPAA2_BUS_DEBUG("New Portal %p (%d) affined thread - %u",
+			dpio_dev, dpio_dev->index, rte_gettid());
 
 	/* Set the Stashing Destination */
 	cpu_id = dpaa2_get_core_id();
@@ -310,7 +309,7 @@ int
 dpaa2_affine_qbman_swp(void)
 {
 	struct dpaa2_dpio_dev *dpio_dev;
-	uint64_t tid = syscall(SYS_gettid);
+	uint64_t tid = rte_gettid();
 
 	/* Populate the dpaa2_io_portal structure */
 	if (!RTE_PER_LCORE(_dpaa2_io).dpio_dev) {
@@ -332,7 +331,7 @@ int
 dpaa2_affine_qbman_ethrx_swp(void)
 {
 	struct dpaa2_dpio_dev *dpio_dev;
-	uint64_t tid = syscall(SYS_gettid);
+	uint64_t tid = rte_gettid();
 
 	/* Populate the dpaa2_io_portal structure */
 	if (!RTE_PER_LCORE(_dpaa2_io).ethrx_dpio_dev) {
-- 
2.17.1



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