/* src/vm/cycles-stats.h - macros for cycle count statistics
- Copyright (C) 1996-2005, 2006 R. Grafl, A. Krall, C. Kruegel,
- C. Oates, R. Obermaisser, M. Platter, M. Probst, S. Ring,
- E. Steiner, C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich,
- J. Wenninger, Institut f. Computersprachen - TU Wien
+ Copyright (C) 1996-2005, 2006, 2009
+ CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO
This file is part of CACAO.
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA.
- Contact: cacao@cacaojvm.org
-
- Authors: Edwin Steiner
-
- Changes:
-
- $Id$
-
*/
#ifndef _CYCLES_STATS_H
#if defined(ENABLE_CYCLES_STATS)
+#include <stdio.h>
+
+#include "md.h"
+
#define CYCLES_STATS_DECLARE(name,nbins,divisor) \
static const int CYCLES_STATS_##name##_MAX = (nbins); \
static const int CYCLES_STATS_##name##_DIV = (divisor); \
static u4 cycles_stats_##name##_bins[(nbins) + 1] = { 0 }; \
static u4 cycles_stats_##name##_count = 0; \
+ static u8 cycles_stats_##name##_total = 0; \
static u8 cycles_stats_##name##_max = 0; \
static u8 cycles_stats_##name##_min = 1000000000;
#define CYCLES_STATS_GET(var) \
- (var) = asm_get_cycle_count() \
+ (var) = md_get_cycle_count() \
#define CYCLES_STATS_COUNT(name,cyclesexpr) \
do { \
u8 cyc = (cyclesexpr); \
+ cycles_stats_##name##_total += cyc; \
if (cyc > cycles_stats_##name##_max) \
cycles_stats_##name##_max = cyc; \
if (cyc < cycles_stats_##name##_min) \
cycles_stats_##name##_count++; \
} while (0)
+#define CYCLES_STATS_COUNT_OVER(name,ovname,cyclesexpr) \
+ do { \
+ u8 cyc = (cyclesexpr); \
+ if (cyc / CYCLES_STATS_##name##_DIV >= CYCLES_STATS_##name##_MAX) \
+ CYCLES_STATS_COUNT(ovname,cyc); \
+ } while (0)
+
#define CYCLES_STATS_PRINT(name,file) \
do { \
- s4 local_i; \
- fprintf(file,"\t%s: %u calls\n", \
- #name, cycles_stats_##name##_count); \
- fprintf(file,"\t%s cycles distribution:\n", #name); \
- fprintf(file,"\t\tmin = %llu\n", \
- (unsigned long long)cycles_stats_##name##_min); \
- for (local_i=0; local_i<CYCLES_STATS_##name##_MAX; ++local_i) { \
- fprintf(file,"\t\t< %5d: %u\n", \
- (local_i+1) * CYCLES_STATS_##name##_DIV, \
- cycles_stats_##name##_bins[local_i]); \
- } \
- fprintf(file,"\t\t>= %5d: %u\n", \
- CYCLES_STATS_##name##_MAX * CYCLES_STATS_##name##_DIV, \
- cycles_stats_##name##_bins[local_i]); \
- fprintf(file,"\t\tmax = %llu\n", \
- (unsigned long long)cycles_stats_##name##_max); \
+ cycles_stats_print((file), #name, \
+ CYCLES_STATS_##name##_MAX, CYCLES_STATS_##name##_DIV, \
+ cycles_stats_##name##_bins, cycles_stats_##name##_count, \
+ cycles_stats_##name##_total, \
+ cycles_stats_##name##_min, cycles_stats_##name##_max, 0); \
} while (0)
+#define CYCLES_STATS_PRINT_OVERHEAD(name,file) \
+ do { \
+ cycles_stats_print((file), #name, \
+ CYCLES_STATS_##name##_MAX, CYCLES_STATS_##name##_DIV, \
+ cycles_stats_##name##_bins, cycles_stats_##name##_count, \
+ cycles_stats_##name##_total, \
+ cycles_stats_##name##_min, cycles_stats_##name##_max, 1); \
+ } while (0)
+
+#define CYCLES_STATS_DECLARE_AND_START \
+ u8 cycles_start = md_get_cycle_count(); \
+ u8 cycles_end;
+
+#define CYCLES_STATS_DECLARE_AND_START_WITH_OVERHEAD \
+ u8 cycles_start = md_get_cycle_count(); \
+ u8 cycles_overhead = md_get_cycle_count(); \
+ u8 cycles_end;
+
+#define CYCLES_STATS_END(name) \
+ cycles_end = md_get_cycle_count(); \
+ CYCLES_STATS_COUNT(name, cycles_end - cycles_start);
+
+#define CYCLES_STATS_END_WITH_OVERHEAD(name,ovname) \
+ cycles_end = md_get_cycle_count(); \
+ CYCLES_STATS_COUNT(ovname, cycles_overhead - cycles_start); \
+ CYCLES_STATS_COUNT(name, cycles_end - cycles_overhead);
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void cycles_stats_print(FILE *file,
+ const char *name, int nbins, int div,
+ u4 *bins, u8 count, u8 total, u8 min, u8 max,
+ int overhead);
+
+#ifdef __cplusplus
+}
+#endif
+
#else /* !defined(ENABLE_CYCLES_STATS) */
#define CYCLES_STATS_DECLARE(name,nbins,divisor)
#define CYCLES_STATS_GET(var)
#define CYCLES_STATS_COUNT(name,cyclesexpr)
+#define CYCLES_STATS_COUNT_OVER(name,ovname,cyclesexpr)
#define CYCLES_STATS_PRINT(name,file)
+#define CYCLES_STATS_PRINT_OVERHEAD(name,file)
+#define CYCLES_STATS_DECLARE_AND_START
+#define CYCLES_STATS_DECLARE_AND_START_WITH_OVERHEAD
+#define CYCLES_STATS_END(name)
+#define CYCLES_STATS_END_WITH_OVERHEAD(name,ovname)
#endif /* defined(ENABLE_CYCLES_STATS) */