Re: [patch] enhance initcall_debug, measure latency

[Andrew Morton]

On Sun, 1 Apr 2007 20:16:14 +0200 Ingo Molnar <mingo@xxxxxxx> wrote:

> +		if (initcall_debug) {
> +			t1 = ktime_get();
> +			delta = ktime_sub(t1, t0);
> +
> +			printk("initcall 0x%p", *call);
> +			print_fn_descriptor_symbol(": %s()",
> +					(unsigned long) *call);
> +			printk(" returned %d.\n", result);
> +
> +			printk("initcall 0x%p ran for %Ld msecs: ",
> +				*call, delta.tv64 >> 20);
> +			print_fn_descriptor_symbol("%s()\n",
> +				(unsigned long) *call);
> +		}

This might come out a bit better if it were to use -mm's
sprint_symbol().
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