aboutsummaryrefslogtreecommitdiff
path: root/scripts/bootgraph.pl
diff options
context:
space:
mode:
authorFrederic Weisbecker <fweisbec@gmail.com>2008-10-04 21:35:48 +0200
committerIngo Molnar <mingo@elte.hu>2008-10-14 10:39:24 +0200
commitddc7a01aad195708fc943d9446411d11e3547784 (patch)
treee7b0343c8e11a06f7c90cda21bcf038a1be34941 /scripts/bootgraph.pl
parent8a5d900cca57115326bc5b9e7f3bac980986c2c8 (diff)
downloadlinux-ddc7a01aad195708fc943d9446411d11e3547784.tar.gz
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. [ mingo@elte.hu: resolved conflicts ] 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>
Diffstat (limited to 'scripts/bootgraph.pl')
-rw-r--r--scripts/bootgraph.pl26
1 files changed, 14 insertions, 12 deletions
diff --git a/scripts/bootgraph.pl b/scripts/bootgraph.pl
index d459b8bdef02..c34b359c34a3 100644
--- a/scripts/bootgraph.pl
+++ b/scripts/bootgraph.pl
@@ -37,12 +37,12 @@
# dmesg | perl scripts/bootgraph.pl > output.svg
#
-my @rows;
-my %start, %end, %row;
+my %start, %end;
my $done = 0;
-my $rowcount = 0;
my $maxtime = 0;
my $count = 0;
+my %pids;
+
while (<>) {
my $line = $_;
if ($line =~ /([0-9\.]+)\] calling ([a-zA-Z\_]+)\+/) {
@@ -50,14 +50,8 @@ while (<>) {
if ($done == 0) {
$start{$func} = $1;
}
- $row{$func} = 1;
if ($line =~ /\@ ([0-9]+)/) {
- my $pid = $1;
- if (!defined($rows[$pid])) {
- $rowcount = $rowcount + 1;
- $rows[$pid] = $rowcount;
- }
- $row{$func} = $rows[$pid];
+ $pids{$func} = $1;
}
$count = $count + 1;
}
@@ -102,17 +96,25 @@ $styles[11] = "fill:rgb(128,255,255);fill-opacity:0.5;stroke-width:1;stroke:rgb(
my $mult = 950.0 / $maxtime;
my $threshold = 0.0500 / $maxtime;
my $stylecounter = 0;
+my %rows;
+my $rowscount = 1;
while (($key,$value) = each %start) {
my $duration = $end{$key} - $start{$key};
if ($duration >= $threshold) {
my $s, $s2, $e, $y;
- $s = $value * $mult;
+ $pid = $pids{$key};
+
+ if (!defined($rows{$pid})) {
+ $rows{$pid} = $rowscount;
+ $rowscount = $rowscount + 1;
+ }
+ $s = ($value - $firsttime) * $mult;
$s2 = $s + 6;
$e = $end{$key} * $mult;
$w = $e - $s;
- $y = $row{$key} * 150;
+ $y = $rows{$pid} * 150;
$y2 = $y + 4;
$style = $styles[$stylecounter];