[spp] [PATCH 1/3] spp_vf: add sleep after disconnect detection

[spp] [PATCH 1/3] spp_vf: add sleep after disconnect detection

[x-fn-spp]

From: Hideyuki Yamashita <yamashita.hideyuki@po.ntt-tx.co.jp>

This update is for adding sleep() to add interval to reconnect.

Interval of accepting command is reduced to fix slow response
in previous patches, but still need to add another interval to
reconnect to spp-ctl.

Signed-off-by: Hideyuki Yamashita <yamashita.hideyuki@po.ntt-tx.co.jp>
Signed-off-by: Naoki Takada <takada.naoki@lab.ntt.co.jp>
---
 src/vf/common/command_proc.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/vf/common/command_proc.c b/src/vf/common/command_proc.c
index a612061..00ecdc1 100644
--- a/src/vf/common/command_proc.c
+++ b/src/vf/common/command_proc.c
@@ -1648,11 +1648,13 @@ spp_command_proc_do(void)
 
 	msg_ret = spp_receive_message(&sock, &msgbuf);
 	if (unlikely(msg_ret <= 0)) {
-		if (likely(msg_ret == 0))
+		if (likely(msg_ret == 0)) {
+			sleep(1);
 			return SPP_RET_OK;
-		else if (unlikely(msg_ret == SPP_CONNERR_TEMPORARY))
+		} else if (unlikely(msg_ret == SPP_CONNERR_TEMPORARY)) {
+			sleep(1);
 			return SPP_RET_OK;
-		else
+		} else
 			return SPP_RET_NG;
 	}
 
-- 
2.17.1

[spp] [PATCH 2/3] spp_vf: improve command response time

[x-fn-spp]

From: Hideyuki Yamashita <yamashita.hideyuki@po.ntt-tx.co.jp>

This patch improves command response time of spp_vf.

Signed-off-by: Hideyuki Yamashita <yamashita.hideyuki@po.ntt-tx.co.jp>
Signed-off-by: Naoki Takada <takada.naoki@lab.ntt.co.jp>
---
 src/vf/spp_vf.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/vf/spp_vf.c b/src/vf/spp_vf.c
index 4e4a8e1..b81ad11 100644
--- a/src/vf/spp_vf.c
+++ b/src/vf/spp_vf.c
@@ -349,7 +349,12 @@ main(int argc, char *argv[])
 			if (unlikely(ret_do != SPP_RET_OK))
 				break;
 
-			sleep(1);
+		       /*
+			* To avoid making CPU busy, this thread waits
+			* here for 100 ms.
+			*/
+
+			usleep(100);
 
 #ifdef SPP_RINGLATENCYSTATS_ENABLE
 			print_ring_latency_stats();
-- 
2.17.1

[spp] [PATCH 3/3] spp_mirror: improve command response time

[x-fn-spp]

From: Hideyuki Yamashita <yamashita.hideyuki@po.ntt-tx.co.jp>

This patch improves command response time of spp_mirror.

Signed-off-by: Hideyuki Yamashita <yamashita.hideyuki@po.ntt-tx.co.jp>
Signed-off-by: Naoki Takada <takada.naoki@lab.ntt.co.jp>
---
 src/mirror/spp_mirror.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/mirror/spp_mirror.c b/src/mirror/spp_mirror.c
index 36efa26..fb9bcb1 100644
--- a/src/mirror/spp_mirror.c
+++ b/src/mirror/spp_mirror.c
@@ -681,8 +681,11 @@ main(int argc, char *argv[])
 			ret_do = spp_command_proc_do();
 			if (unlikely(ret_do != SPP_RET_OK))
 				break;
-
-			sleep(1);
+			/*
+			 * To avoid making CPU busy, this thread waits
+			 * here for 100 ms.
+			 */
+			usleep(100);
 
 #ifdef SPP_RINGLATENCYSTATS_ENABLE
 			print_ring_latency_stats();
-- 
2.17.1