[PATCH 2/6] t/perf/aggregate: factor our percent calculations

[Jeff King]

This will let us reuse the code when we add new values to
aggregate besides times.

Signed-off-by: Jeff King <p...@peff.net>
---
 t/perf/aggregate.perl | 21 ++++++++++++---------
 1 file changed, 12 insertions(+), 9 deletions(-)

diff --git a/t/perf/aggregate.perl b/t/perf/aggregate.perl
index 15f7fc1..690cd8c 100755
--- a/t/perf/aggregate.perl
+++ b/t/perf/aggregate.perl
@@ -16,21 +16,24 @@ sub get_times {
        return ($rt, $4, $5);
 }
 
+sub relative_change {
+       my ($r, $firstr) = @_;
+       if ($firstr > 0) {
+               return sprintf "%+.1f%%", 100.0*($r-$firstr)/$firstr;
+       } elsif ($r == 0) {
+               return "=";
+       } else {
+               return "+inf";
+       }
+}
+
 sub format_times {
        my ($r, $u, $s, $firstr) = @_;
        if (!defined $r) {
                return "<missing>";
        }
        my $out = sprintf "%.2f(%.2f+%.2f)", $r, $u, $s;
-       if (defined $firstr) {
-               if ($firstr > 0) {
-                       $out .= sprintf " %+.1f%%", 100.0*($r-$firstr)/$firstr;
-               } elsif ($r == 0) {
-                       $out .= " =";
-               } else {
-                       $out .= " +inf";
-               }
-       }
+       $out .= ' ' . relative_change($r, $firstr) if defined $firstr;
        return $out;
 }
 
-- 
1.9.1.601.g7ec968e

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