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authorSteven Rostedt <srostedt@redhat.com>2010-08-16 11:17:30 -0400
committerSteven Rostedt <rostedt@goodmis.org>2010-08-16 11:17:30 -0400
commitd244b6bd41e09ecbb09c738cc2c108be227398c8 (patch)
tree848c6a8a0d6f83929daf43d63e241dc8072066ac /scripts/recordmcount.pl
parentda5cabf80e2433131bf0ed8993abc0f7ea618c73 (diff)
parent1aa54bca6ee0d07ebcafb8ca8074b624d80724aa (diff)
Merge branch 'tip/perf/urgent-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-trace into trace/tip/perf/urgent-4
Conflicts: kernel/trace/trace_events.c Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'scripts/recordmcount.pl')
-rwxr-xr-xscripts/recordmcount.pl7
1 files changed, 6 insertions, 1 deletions
diff --git a/scripts/recordmcount.pl b/scripts/recordmcount.pl
index 0171060b5fd6..e67f05486087 100755
--- a/scripts/recordmcount.pl
+++ b/scripts/recordmcount.pl
@@ -159,6 +159,7 @@ my $section_regex; # Find the start of a section
159my $function_regex; # Find the name of a function 159my $function_regex; # Find the name of a function
160 # (return offset and func name) 160 # (return offset and func name)
161my $mcount_regex; # Find the call site to mcount (return offset) 161my $mcount_regex; # Find the call site to mcount (return offset)
162my $mcount_adjust; # Address adjustment to mcount offset
162my $alignment; # The .align value to use for $mcount_section 163my $alignment; # The .align value to use for $mcount_section
163my $section_type; # Section header plus possible alignment command 164my $section_type; # Section header plus possible alignment command
164my $can_use_local = 0; # If we can use local function references 165my $can_use_local = 0; # If we can use local function references
@@ -213,6 +214,7 @@ $section_regex = "Disassembly of section\\s+(\\S+):";
213$function_regex = "^([0-9a-fA-F]+)\\s+<(.*?)>:"; 214$function_regex = "^([0-9a-fA-F]+)\\s+<(.*?)>:";
214$mcount_regex = "^\\s*([0-9a-fA-F]+):.*\\smcount\$"; 215$mcount_regex = "^\\s*([0-9a-fA-F]+):.*\\smcount\$";
215$section_type = '@progbits'; 216$section_type = '@progbits';
217$mcount_adjust = 0;
216$type = ".long"; 218$type = ".long";
217 219
218if ($arch eq "x86_64") { 220if ($arch eq "x86_64") {
@@ -351,6 +353,9 @@ if ($arch eq "x86_64") {
351} elsif ($arch eq "microblaze") { 353} elsif ($arch eq "microblaze") {
352 # Microblaze calls '_mcount' instead of plain 'mcount'. 354 # Microblaze calls '_mcount' instead of plain 'mcount'.
353 $mcount_regex = "^\\s*([0-9a-fA-F]+):.*\\s_mcount\$"; 355 $mcount_regex = "^\\s*([0-9a-fA-F]+):.*\\s_mcount\$";
356} elsif ($arch eq "blackfin") {
357 $mcount_regex = "^\\s*([0-9a-fA-F]+):.*\\s__mcount\$";
358 $mcount_adjust = -4;
354} else { 359} else {
355 die "Arch $arch is not supported with CONFIG_FTRACE_MCOUNT_RECORD"; 360 die "Arch $arch is not supported with CONFIG_FTRACE_MCOUNT_RECORD";
356} 361}
@@ -511,7 +516,7 @@ while (<IN>) {
511 } 516 }
512 # is this a call site to mcount? If so, record it to print later 517 # is this a call site to mcount? If so, record it to print later
513 if ($text_found && /$mcount_regex/) { 518 if ($text_found && /$mcount_regex/) {
514 push(@offsets, hex $1); 519 push(@offsets, (hex $1) + $mcount_adjust);
515 } 520 }
516} 521}
517 522