From fd2b6d9771deebd1cf42623cfe3a33913b5f8011 Mon Sep 17 00:00:00 2001
From: David Bar-On <david.cdb004@gmail.com>
Date: Tue, 5 Dec 2023 09:58:57 +0200
Subject: [PATCH] Fix --affinity help text

---
 src/iperf_locale.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/iperf_locale.c b/src/iperf_locale.c
index 838086e18..642c65c9a 100644
--- a/src/iperf_locale.c
+++ b/src/iperf_locale.c
@@ -115,7 +115,8 @@ const char usage_longstr[] = "Usage: iperf3 [-s|-c host] [options]\n"
                            "  -I, --pidfile file        write PID file\n"
                            "  -F, --file name           xmit/recv the specified file\n"
 #if defined(HAVE_CPU_AFFINITY)
-                           "  -A, --affinity n/n,m      set CPU affinity\n"
+                           "  -A, --affinity n[,m]      set CPU affinity core number to n (the core the process will use)\n"
+                          "                             (optional Client only m - the Server's core number for this test)\n"
 #endif /* HAVE_CPU_AFFINITY */
 #if defined(HAVE_SO_BINDTODEVICE)
                            "  -B, --bind <host>[%%<dev>] bind to the interface associated with the address <host>\n"