netdev - Re: [PATCH iproute2-next 1/1] tc: report time an action was first used

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Date:   Mon, 18 May 2020 09:36:15 -0600
From:   David Ahern <dsahern@...il.com>
To:     Roman Mashak <mrv@...atatu.com>
Cc:     stephen@...workplumber.org, netdev@...r.kernel.org,
        kernel@...atatu.com, jhs@...atatu.com, xiyou.wangcong@...il.com,
        jiri@...nulli.us
Subject: Re: [PATCH iproute2-next 1/1] tc: report time an action was first
 used

On 5/17/20 7:28 AM, Roman Mashak wrote:
> Have print_tm() dump firstuse value along with install, lastuse
> and expires.
> 
> Signed-off-by: Roman Mashak <mrv@...atatu.com>
> ---
>  tc/tc_util.c | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/tc/tc_util.c b/tc/tc_util.c
> index 12f865cc71bf..f6aa2ed552a9 100644
> --- a/tc/tc_util.c
> +++ b/tc/tc_util.c
> @@ -760,6 +760,11 @@ void print_tm(FILE *f, const struct tcf_t *tm)
>  		print_uint(PRINT_FP, NULL, " used %u sec",
>  			   (unsigned int)(tm->lastuse/hz));
>  	}
> +	if (tm->firstuse != 0) {
> +		print_uint(PRINT_JSON, "first_used", NULL, tm->firstuse);
> +		print_uint(PRINT_FP, NULL, " firstused %u sec",
> +			   (unsigned int)(tm->firstuse/hz));
> +	}
>  	if (tm->expires != 0) {
>  		print_uint(PRINT_JSON, "expires", NULL, tm->expires);
>  		print_uint(PRINT_FP, NULL, " expires %u sec",
> 

why does this function print different values for json and stdout?