If interval is 2, and sum - prev[key] = 1, the result = 0. This will
mislead the tester that the port has no traffic right now. So reduce the
sampling interval to 1.

Signed-off-by: Zhengchao Shao <shaozhengchao@huawei.com>
---
 samples/bpf/xdp1_user.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/samples/bpf/xdp1_user.c b/samples/bpf/xdp1_user.c
index 631f0cabe139..bacebb4b602f 100644
--- a/samples/bpf/xdp1_user.c
+++ b/samples/bpf/xdp1_user.c
@@ -161,7 +161,7 @@ int main(int argc, char **argv)
 	}
 	prog_id = info.id;
 
-	poll_stats(map_fd, 2);
+	poll_stats(map_fd, 1);
 
 	return 0;
 }
-- 
2.17.1

Hello:

This patch was applied to bpf/bpf-next.git (master)
by Andrii Nakryiko <andrii@kernel.org>:

On Tue, 19 Apr 2022 19:47:46 +0800 you wrote:
> If interval is 2, and sum - prev[key] = 1, the result = 0. This will
> mislead the tester that the port has no traffic right now. So reduce the
> sampling interval to 1.
> 
> Signed-off-by: Zhengchao Shao <shaozhengchao@huawei.com>
> ---
>  samples/bpf/xdp1_user.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Here is the summary with links:
  - [bpf-next] samples/bpf: reduce the sampling interval in xdp1_user
    https://git.kernel.org/bpf/bpf-next/c/db69264f983a

You are awesome, thank you!
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