tracing/fastboot: fix initcalls disposition in bootgraph.pl

When bootgraph.pl parses a file, it gives one row
for each initcall's pid. But only few of them will
be displayed => the longest.

This patch corrects it by giving only a rows for pids
which have initcalls that will be displayed.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Acked-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 6 insertions, 0 deletions

diff --git a/scripts/bootgraph.pl b/scripts/bootgraph.pl
index 479fb4ea8914..5e7316e5aa39 100644
--- a/scripts/bootgraph.pl
+++ b/scripts/bootgraph.pl
@@ -110,6 +110,12 @@ while (($key,$value) = each %start) {
 
         if ($duration >= $threshold) {
                 my $s, $s2, $e, $y;
+                $pid = $pids{$key};
+
+                if (!defined($rows{$pid})) {
+                        $rows{$pid} = $rowscount;
+                        $rowscount = $rowscount + 1;
+                }
                 $s = ($value - $firsttime) * $mult;
                 $s2 = $s + 6;
                 $e = ($end{$key} - $firsttime) * $mult;