From: Laurent MAZET <laurent.mazet@thalesgroup.com>
Date: Mon, 20 Oct 2025 14:55:40 +0000 (+0200)
Subject: improvement
X-Git-Url: https://secure.softndesign.org/git/?a=commitdiff_plain;h=d931f607c08935b0142b94a104f20dd78861a08f;p=benchmarks.git

improvement
---

diff --git a/mq_lat.c b/mq_lat.c
index a89fbf4..45ae801 100644
--- a/mq_lat.c
+++ b/mq_lat.c
@@ -61,6 +61,8 @@ void *ping (__attribute__((unused)) void *arg)
         pthread_mutex_lock (&mutex);
         pthread_mutex_unlock (&mutex);
 
+        usleep (TIMER / 2);
+
         sys_timestamp (&ts1);
         if (mq_send (mq_out, msg, MSGLEN, 0) == -1) {
             fprintf (stderr, "ping error: mq_send (%d)\n", i);
diff --git a/pipe_lat.c b/pipe_lat.c
index 37030bd..04e2b11 100644
--- a/pipe_lat.c
+++ b/pipe_lat.c
@@ -52,6 +52,8 @@ void *ping (__attribute__((unused)) void *arg)
         pthread_mutex_lock (&mutex);
         pthread_mutex_unlock (&mutex);
 
+        usleep (TIMER / 2);
+
         sys_timestamp (&ts1);
         if (write (fdout, msg, MSGLEN) == -1) {
             fprintf (stderr, "ping error: write (%d)\n", i);
diff --git a/semaphore.c b/semaphore.c
index 7552ee2..fb3ba16 100644
--- a/semaphore.c
+++ b/semaphore.c
@@ -46,6 +46,8 @@ void *ping (__attribute__((unused)) void *arg)
         pthread_mutex_lock (&mutex);
         pthread_mutex_unlock (&mutex);
 
+        usleep (TIMER / 2);
+
         sys_timestamp (&ts1);
         sem_post (&sem);
 
diff --git a/udp_lat.c b/udp_lat.c
index 5762a5d..05d397b 100644
--- a/udp_lat.c
+++ b/udp_lat.c
@@ -96,6 +96,8 @@ void *ping (__attribute__((unused)) void *arg)
         pthread_mutex_lock (&mutex);
         pthread_mutex_unlock (&mutex);
 
+        usleep (TIMER / 2);
+
         sys_timestamp (&ts1);
         if (sendto (sock, msg, MSGLEN, 0, (struct sockaddr *)&remote, sizeof (remote)) == -1) {
             fprintf (stderr, "ping error: sendto (%d)\n", i);