linux-kernel - Re: [PATCH] Since we have counters in __u64 format we have to print them with %llu macros.

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Message-ID: <46FB67A3.8070508@linux.vnet.ibm.com>
Date:	Thu, 27 Sep 2007 13:49:47 +0530
From:	Balbir Singh <balbir@...ux.vnet.ibm.com>
To:	"H. Peter Anvin" <hpa@...or.com>
CC:	Andreas Schwab <schwab@...e.de>,
	Maxim Uvarov <muvarov@...mvista.com>,
	LKML <linux-kernel@...r.kernel.org>, balbir@...ibm.com,
	jlan@...r.sgi.com
Subject: Re: [PATCH] Since we have counters in __u64 format we have to print
 them with %llu macros.

H. Peter Anvin wrote:
> Balbir Singh wrote:
>> Andreas Schwab wrote:
>>> Maxim Uvarov <muvarov@...mvista.com> writes:
>>>
>>>> diff --git a/Documentation/accounting/getdelays.c b/Documentation/accounting/getdelays.c
>>>> index cbee3a2..73924df 100644
>>>> --- a/Documentation/accounting/getdelays.c
>>>> +++ b/Documentation/accounting/getdelays.c
>>>> @@ -208,7 +208,7 @@ void print_delayacct(struct taskstats *t)
>>>>  void task_context_switch_counts(struct taskstats *t)
>>>>  {
>>>>  	printf("\n\nTask   %15s%15s\n"
>>>> -	       "       %15lu%15lu\n",
>>>> +	       "       %15llu%15llu\n",
>>>>  	       "voluntary", "nonvoluntary",
>>>>  	       t->nvcsw, t->nivcsw);
>>> __u64 is not always long long.
>> What is the maximum size of long long across all architectures?
>> How does one format __u64 for printing?
>>
> 
> In user space, use the macro PRIu64 (or PRIx64 etc) from <inttypes.h>.
> 
> 	-hpa

Thanks, I'll look into it

-- 
	Warm Regards,
	Balbir Singh
	Linux Technology Center
	IBM, ISTL
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