Merge branch 'tracing-v28-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

* 'tracing-v28-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (131 commits)
  tracing/fastboot: improve help text
  tracing/stacktrace: improve help text
  tracing/fastboot: fix initcalls disposition in bootgraph.pl
  tracing/fastboot: fix bootgraph.pl initcall name regexp
  tracing/fastboot: fix issues and improve output of bootgraph.pl
  tracepoints: synchronize unregister static inline
  tracepoints: tracepoint_synchronize_unregister()
  ftrace: make ftrace_test_p6nop disassembler-friendly
  markers: fix synchronize marker unregister static inline
  tracing/fastboot: add better resolution to initcall debug/tracing
  trace: add build-time check to avoid overrunning hex buffer
  ftrace: fix hex output mode of ftrace
  tracing/fastboot: fix initcalls disposition in bootgraph.pl
  tracing/fastboot: fix printk format typo in boot tracer
  ftrace: return an error when setting a nonexistent tracer
  ftrace: make some tracers reentrant
  ring-buffer: make reentrant
  ring-buffer: move page indexes into page headers
  tracing/fastboot: only trace non-module initcalls
  ftrace: move pc counter in irqtrace
  ...

Manually fix conflicts:
 - init/main.c: initcall tracing
 - kernel/module.c: verbose level vs tracepoints
 - scripts/bootgraph.pl: fallout from cherry-picking commits.

1 files changed, 13 insertions, 11 deletions

diff --git a/scripts/bootgraph.pl b/scripts/bootgraph.pl
index 2243353fe55d..5e7316e5aa39 100644
--- a/scripts/bootgraph.pl
+++ b/scripts/bootgraph.pl
@@ -37,13 +37,13 @@
 #       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 $firsttime = 100;
 my $count = 0;
+my %pids;
+
 while (<>) {
         my $line = $_;
         if ($line =~ /([0-9\.]+)\] calling  ([a-zA-Z0-9\_]+)\+/) {
@@ -54,14 +54,8 @@ while (<>) {
                                 $firsttime = $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;
         }
@@ -109,17 +103,25 @@ $styles[11] = "fill:rgb(128,255,255);fill-opacity:0.5;stroke-width:1;stroke:rgb(
 my $mult = 950.0 / ($maxtime - $firsttime);
 my $threshold = ($maxtime - $firsttime) / 60.0;
 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;
+                $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;
                 $w = $e - $s;
 
-                $y = $row{$key} * 150;
+                $y = $rows{$pid} * 150;
                 $y2 = $y + 4;
 
                 $style = $styles[$stylecounter];