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

H. Peter Anvin
2007-09-26T18:29:52Z

Balbir Singh wrote:
> Andreas Schwab wrote:
>> Maxim Uvarov <muvarov@ru.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