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SubjectRe: [PATCH v5 4/7] perf report: Refactor the branch info printing code
On Wed, Apr 19, 2017 at 11:48:11PM +0800, Jin Yao wrote:

SNIP

> static int counts_str_build(char *bf, int bfsize,
> u64 branch_count, u64 predicted_count,
> u64 abort_count, u64 cycles_count,
> u64 iter_count, u64 samples_count)
> {
> - double predicted_percent = 0.0;
> - const char *null_str = "";
> - char iter_str[32];
> - char cycle_str[32];
> - char *istr, *cstr;
> u64 cycles;
> + int printed = 0, i = 0;
>
> if (branch_count == 0)
> return scnprintf(bf, bfsize, " (calltrace)");
>
> cycles = cycles_count / branch_count;
> + if (cycles)
> + printed += count_pri64_printf(i++, "cycles",
> + cycles,
> + bf + printed, bfsize - printed);
>
> - if (iter_count && samples_count) {
> - if (cycles > 0)
> - scnprintf(iter_str, sizeof(iter_str),
> - " iterations:%" PRId64 "",
> - iter_count / samples_count);
> - else
> - scnprintf(iter_str, sizeof(iter_str),
> - "iterations:%" PRId64 "",
> - iter_count / samples_count);
> - istr = iter_str;
> - } else
> - istr = (char *)null_str;
> -
> - if (cycles > 0) {
> - scnprintf(cycle_str, sizeof(cycle_str),
> - "cycles:%" PRId64 "", cycles);
> - cstr = cycle_str;
> - } else
> - cstr = (char *)null_str;
> + if (iter_count && samples_count)
> + printed += count_pri64_printf(i++, "iterations",
> + iter_count / samples_count,
> + bf + printed, bfsize - printed);

please put the multiline condition code into {} brackets
for all of the cases in this function

thanks,
jirka

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