From e8cd34ae9fb5a14b724bc5377a91d30898810ac7 Mon Sep 17 00:00:00 2001
From: GangCao <gang.cao@intel.com>
Date: Tue, 13 Jul 2021 13:34:07 -0400
Subject: [PATCH] App: update the usage function for the core list usage

In this case, user could specify the core number like:

-m [0,1,10] besides the core mask like -m 0xF

Change-Id: I48621c5a84e5436deae07101591d0ef85b1e129e
Signed-off-by: GangCao <gang.cao@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/8746
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Xiaodong Liu <xiaodong.liu@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com>
Community-CI: Mellanox Build Bot
---
 lib/event/app.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/event/app.c b/lib/event/app.c
index 090b1692f..8694712dd 100644
--- a/lib/event/app.c
+++ b/lib/event/app.c
@@ -657,7 +657,7 @@ usage(void (*app_usage)(void))
 	printf("                           force creating just one hugetlbfs file\n");
 	printf(" -h, --help                show this usage\n");
 	printf(" -i, --shm-id <id>         shared memory ID (optional)\n");
-	printf(" -m, --cpumask <mask>      core mask for DPDK\n");
+	printf(" -m, --cpumask <mask or list>    core mask (like 0xF) or core list of '[]' embraced (like [0,1,10]) for DPDK\n");
 	printf(" -n, --mem-channels <num>  channel number of memory channels used for DPDK\n");
 	printf(" -p, --main-core <id>      main (primary) core for DPDK\n");
 	printf(" -r, --rpc-socket <path>   RPC listen address (default %s)\n", SPDK_DEFAULT_RPC_ADDR);