Re: [PATCH iproute2 v2] ss: add -P/--process-age option to display process runtime

[Stephen Hemminger <stephen@networkplumber.org>]

On Wed, 16 Sep 2026 03:01:00 +0530
Harshith Hari <harshithhari000111@gmail.com> wrote:

> diff --git a/misc/ss.c b/misc/ss.c
> index 6c32455d..6058ca29 100644
> --- a/misc/ss.c
> +++ b/misc/ss.c
> @@ -56,58 +56,58 @@ static int show_process_age;
>  
>  static void print_process_age(pid_t pid)
>  {
> -char path[64];
> -FILE *f;
> -unsigned long long starttime;
> -double uptime = 0.0;
> -long clock_ticks = sysconf(_SC_CLK_TCK);
> -
> -f = fopen("/proc/uptime", "r");
> -if (!f)
> -return;
> -
> -if (fscanf(f, "%lf", &uptime) != 1) {
> -fclose(f);
> -return;
> -}
> -fclose(f);
> +	char path[64];
> +	FILE *f;
> +	unsigned long long starttime;
> +	double uptime = 0.0;
> +	long clock_ticks = sysconf(_SC_CLK_TCK);
> +
> +	f = fopen("/proc/uptime", "r");
> +	if (!f)
> +		return;
>  

You are not starting with existing upstream source!
There is no code with /proc/uptime in upstream version of misc/ss.c

Also the point of ss is to print info about sockets, not to
be a replacement for ps.