orc-test: add profiling from liboil

1 files changed, 98 insertions, 0 deletions

diff --git a/orc-test/orcprofile.h b/orc-test/orcprofile.h
new file mode 100644
index 0000000..95c996f
--- /dev/null
+++ b/orc-test/orcprofile.h
@@ -0,0 +1,98 @@
+/*
+ * Orc - Oil Runtime Compiler
+ * Copyright (c) 2003,2004 David A. Schleef <ds@schleef.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _ORC_PROFILE_H_
+#define _ORC_PROFILE_H_
+
+#include <orc/orcutils.h>
+
+ORC_BEGIN_DECLS
+
+#ifdef ORC_ENABLE_UNSTABLE_API
+
+/**
+ * ORC_PROFILE_HIST_LENGTH
+ *
+ * Internal definition of the number of histogram entries in #OrcProfile.
+ */
+#define ORC_PROFILE_HIST_LENGTH 10
+
+typedef struct _OrcProfile OrcProfile;
+/**
+ * OrcProfile:
+ *
+ * An opaque structure representing profiling information.
+ */
+struct _OrcProfile {
+  /*< private >*/
+  unsigned long start;
+  unsigned long stop;
+  unsigned long min;
+  unsigned long last;
+  unsigned long total;
+  int n;
+
+  int hist_n;
+  unsigned long hist_time[ORC_PROFILE_HIST_LENGTH];
+  int hist_count[ORC_PROFILE_HIST_LENGTH];
+};
+
+unsigned long orc_profile_stamp(void);
+void orc_profile_init(OrcProfile *prof);
+void orc_profile_stop_handle(OrcProfile *prof);
+void orc_profile_get_ave_std (OrcProfile *prof, double *ave_p, double *std_p);
+
+/**
+ * orc_profile_start:
+ * @x: a pointer to an OrcProfile structure
+ *
+ * Starts a profiling run by obtaining a timestamp via orc_profile_stamp()
+ * and writing it into @x.
+ */
+#define orc_profile_start(x) do{ \
+	(x)->start = orc_profile_stamp(); \
+}while(0)
+/**
+ * orc_profile_stop:
+ * @x: a pointer to an OrcProfile structure
+ *
+ * Stops a profiling run by obtaining a timestamp via orc_profile_stamp()
+ * and writing it into @x.  It then calls orc_profile_stop_handle() to
+ * handle post-processing of the profiling run.
+ */
+#define orc_profile_stop(x) do{ \
+	(x)->stop = orc_profile_stamp(); \
+        orc_profile_stop_handle(x); \
+}while(0)
+
+#endif
+
+ORC_END_DECLS
+
+
+#endif
+