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* vm_insnhelper.h: partly revert r37631 (DTrace support).

  "vm usage information is always collected, so uncomment the
  functions." causes performance impact. [Bug #7370]
  Off course this revert disables related probes.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37796 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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1 parent d5d2440 commit 4ba69a41d8373bfdc17f54a1d5f16886ad3f6371 @nurse nurse committed Nov 22, 2012
Showing with 10 additions and 1 deletion.
  1. +7 −0 ChangeLog
  2. +3 −1 vm_insnhelper.h
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7 ChangeLog
@@ -1,3 +1,10 @@
+Thu Nov 22 15:26:02 2012 NARUSE, Yui <naruse@ruby-lang.org>
+
+ * vm_insnhelper.h: partly revert r37631 (DTrace support).
+ "vm usage information is always collected, so uncomment the
+ functions." causes performance impact. [Bug #7370]
+ Off course this revert disables related probes.
+
Thu Nov 22 14:14:36 2012 Akinori MUSHA <knu@iDaemons.org>
* re.c (rb_memsearch_ss): Apply performance improvement to short
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4 vm_insnhelper.h
@@ -62,12 +62,14 @@ enum {
extern char ruby_vm_redefined_flag[BOP_LAST_];
extern VALUE ruby_vm_const_missing_count;
+#if VM_COLLECT_USAGE_DETAILS
#define COLLECT_USAGE_INSN(insn) vm_collect_usage_insn(insn)
#define COLLECT_USAGE_OPERAND(insn, n, op) vm_collect_usage_operand((insn), (n), ((VALUE)(op)))
-#if VM_COLLECT_USAGE_DETAILS
#define COLLECT_USAGE_REGISTER(reg, s) vm_collect_usage_register((reg), (s))
#else
+#define COLLECT_USAGE_INSN(insn) /* none */
+#define COLLECT_USAGE_OPERAND(insn, n, op) /* none */
#define COLLECT_USAGE_REGISTER(reg, s) /* none */
#endif

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