jamesgolick

#include <stdlib.h>
#include <stdio.h>
#include <signal.h>
#include <assert.h>

#define HISTORY_SIZE (1024*1024)

#define CHUNK_MIN (2*1024*1024)
#define CHUNK_MAX (32*1024*1024)

jamesgolick

[jamesgolick@kremlin01 cfe-3.3.src]$ make
Makefile:42: ../../Makefile.common: No such file or directory
make: *** No rule to make target `../../Makefile.common'.  Stop.

jamesgolick

searchd[17794]: segfault at 0000000000000000 rip 0000000000422662 rsp 00007fff495156e0 error 4
searchd[17795]: segfault at 00002ac7ccca4003 rip 000000000041fe40 rsp 00007fff495156d8 error 4
searchd[17796]: segfault at 0000000000000000 rip 0000000000422662 rsp 00007fff495156e0 error 4
searchd[17797]: segfault at 0000000000000000 rip 0000000000422662 rsp 00007fff495156e0 error 4
searchd[17798]: segfault at 0000000000000000 rip 0000000000422662 rsp 00007fff495156e0 error 4
searchd[17802]: segfault at 0000000000000000 rip 0000000000422662 rsp 00007fff495156e0 error 4
searchd[17803]: segfault at 00002ac6fddc4005 rip 000000000041fe40 rsp 00007fff495156d8 error 4
searchd[17804]: segfault at 0000000000000000 rip 0000000000422662 rsp 00007fff495156e0 error 4
searchd[17805]: segfault at 0000000000000000 rip 0000000000422662 rsp 00007fff495156e0 error 4
searchd[17809]: segfault at 00002ac74b884001 rip 000000000041fe40 rsp 00007fff495156d8 error 4

jamesgolick

struct malloc_chunk {
  struct malloc_chunk *next; // next pointer on free list
  size_t size;               // the size of this chunk
  unsigned free;             // > 0 if this pointer is free - useful for runtime assertions
}

struct malloc_chunk *
header(void *ptr)
{
  return (struct malloc_chunk *)ptr - sizeof(malloc_chunk);

jamesgolick

  def self.unicorn_attr(*args)
      args.each do |arg|
        class << self
        define_method(arg) do
          @attributes[arg]
        end

        define_method("#{arg}=") do |value|
          @attributes[arg] = value
        end

jamesgolick

class A
  def hello
    puts "Hello, World!"
  end
end

class B < A; end
class C < B; end
class D < C; end
class E < D; end

jamesgolick

[james@kremlin00 ruby (klasscache)]$./ruby  -I . -I lib ./test.rb 
method cache invalidations: 18
A
B
method cache invalidations: 18

jamesgolick

      def get(path, params={})
        if parms[:memoize]
          drivers[path] ||= value
        else
          driver.sc_object_for_property_path("#{abs_path}.#{Util.to_camel_case(path)}")
        end
      end

jamesgolick

static VALUE
gc_basic_profile_total_time(VALUE self)
{
    rb_objspace_t *objspace = &rb_objspace;

    return DBL2NUM(objspace->basic_profile.total_time);
}

jamesgolick

1.9.3p194 :001 > GC::Profiler.enabled?
 => false 
1.9.3p194 :002 > GC::Profiler.enable
 => nil 
1.9.3p194 :003 > GC::Profiler.enabled?
 => 0