--- /dev/null
+/* src/vmcore/rt-timing.c - POSIX real-time timing utilities
+
+ Copyright (C) 1996-2005, 2006, 2007 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
+
+ This file is part of CACAO.
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License as
+ published by the Free Software Foundation; either version 2, or (at
+ your option) any later version.
+
+ This program is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ 02110-1301, USA.
+
+ $Id$
+
+*/
+
+
+#include "config.h"
+
+#include <assert.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <time.h>
+
+#include "vm/types.h"
+
+#include "mm/memory.h"
+
+#include "vm/global.h"
+
+#include "vmcore/rt-timing.h"
+
+
+struct rt_timing_stat {
+ int index;
+ int totalindex;
+ const char *name;
+};
+
+static struct rt_timing_stat rt_timing_stat_defs[] = {
+ { RT_TIMING_JIT_CHECKS ,RT_TIMING_JIT_TOTAL , "checks at beginning" },
+ { RT_TIMING_JIT_PARSE ,RT_TIMING_JIT_TOTAL , "parse" },
+ { RT_TIMING_JIT_STACK ,RT_TIMING_JIT_TOTAL , "analyse_stack" },
+ { RT_TIMING_JIT_TYPECHECK ,RT_TIMING_JIT_TOTAL , "typecheck" },
+ { RT_TIMING_JIT_LOOP ,RT_TIMING_JIT_TOTAL , "loop" },
+ { RT_TIMING_JIT_IFCONV ,RT_TIMING_JIT_TOTAL , "if conversion" },
+ { RT_TIMING_JIT_ALLOC ,RT_TIMING_JIT_TOTAL , "register allocation" },
+ { RT_TIMING_JIT_RPLPOINTS ,RT_TIMING_JIT_TOTAL , "replacement point generation" },
+ { RT_TIMING_JIT_CODEGEN ,RT_TIMING_JIT_TOTAL , "codegen" },
+ { RT_TIMING_JIT_TOTAL ,-1 , "total compile time" },
+ { -1 ,-1 , "" },
+
+ { RT_TIMING_LINK_RESOLVE ,RT_TIMING_LINK_TOTAL, "link: resolve superclass/superinterfaces"},
+ { RT_TIMING_LINK_C_VFTBL ,RT_TIMING_LINK_TOTAL, "link: compute vftbl length"},
+ { RT_TIMING_LINK_ABSTRACT ,RT_TIMING_LINK_TOTAL, "link: handle abstract methods"},
+ { RT_TIMING_LINK_C_IFTBL ,RT_TIMING_LINK_TOTAL, "link: compute interface table"},
+ { RT_TIMING_LINK_F_VFTBL ,RT_TIMING_LINK_TOTAL, "link: fill vftbl"},
+ { RT_TIMING_LINK_OFFSETS ,RT_TIMING_LINK_TOTAL, "link: set offsets"},
+ { RT_TIMING_LINK_F_IFTBL ,RT_TIMING_LINK_TOTAL, "link: fill interface table"},
+ { RT_TIMING_LINK_FINALIZER ,RT_TIMING_LINK_TOTAL, "link: set finalizer"},
+ { RT_TIMING_LINK_EXCEPTS ,RT_TIMING_LINK_TOTAL, "link: resolve exception classes"},
+ { RT_TIMING_LINK_SUBCLASS ,RT_TIMING_LINK_TOTAL, "link: re-calculate subclass indices"},
+ { RT_TIMING_LINK_TOTAL ,-1 , "total link time" },
+ { -1 ,-1 , "" },
+
+ { RT_TIMING_LOAD_CHECKS ,RT_TIMING_LOAD_TOTAL, "load: initial checks"},
+ { RT_TIMING_LOAD_NDPOOL ,RT_TIMING_LOAD_TOTAL, "load: new descriptor pool"},
+ { RT_TIMING_LOAD_CPOOL ,RT_TIMING_LOAD_TOTAL, "load: load constant pool"},
+ { RT_TIMING_LOAD_SETUP ,RT_TIMING_LOAD_TOTAL, "load: class setup"},
+ { RT_TIMING_LOAD_FIELDS ,RT_TIMING_LOAD_TOTAL, "load: load fields"},
+ { RT_TIMING_LOAD_METHODS ,RT_TIMING_LOAD_TOTAL, "load: load methods"},
+ { RT_TIMING_LOAD_CLASSREFS ,RT_TIMING_LOAD_TOTAL, "load: create classrefs"},
+ { RT_TIMING_LOAD_DESCS ,RT_TIMING_LOAD_TOTAL, "load: allocate descriptors"},
+ { RT_TIMING_LOAD_SETREFS ,RT_TIMING_LOAD_TOTAL, "load: set classrefs"},
+ { RT_TIMING_LOAD_PARSEFDS ,RT_TIMING_LOAD_TOTAL, "load: parse field descriptors"},
+ { RT_TIMING_LOAD_PARSEMDS ,RT_TIMING_LOAD_TOTAL, "load: parse method descriptors"},
+ { RT_TIMING_LOAD_PARSECP ,RT_TIMING_LOAD_TOTAL, "load: parse descriptors in constant pool"},
+ { RT_TIMING_LOAD_VERIFY ,RT_TIMING_LOAD_TOTAL, "load: verifier checks"},
+ { RT_TIMING_LOAD_ATTRS ,RT_TIMING_LOAD_TOTAL, "load: load attributes"},
+ { RT_TIMING_LOAD_TOTAL ,-1 , "total load time (from classbuffer)"},
+ { -1 ,-1 , "" },
+
+ { RT_TIMING_LOAD_BOOT_LOOKUP,-1 , "boot: lookup in classcache"},
+ { RT_TIMING_LOAD_BOOT_ARRAY ,RT_TIMING_LOAD_BOOT_TOTAL, "boot: load array classes"},
+ { RT_TIMING_LOAD_BOOT_SUCK ,RT_TIMING_LOAD_BOOT_TOTAL, "boot: suck class files"},
+ { RT_TIMING_LOAD_BOOT_LOAD ,RT_TIMING_LOAD_BOOT_TOTAL, "boot: load from class buffer"},
+ { RT_TIMING_LOAD_BOOT_CACHE ,RT_TIMING_LOAD_BOOT_TOTAL, "boot: store in classcache"},
+ { RT_TIMING_LOAD_BOOT_TOTAL ,-1 , "total bootstrap loader time"},
+ { -1 ,-1 , "" },
+
+ { RT_TIMING_LOAD_CL_LOOKUP ,-1 , "classloader: lookup in classcache" },
+ { RT_TIMING_LOAD_CL_PREPARE ,-1 , "classloader: prepare loader call" },
+ { RT_TIMING_LOAD_CL_JAVA ,-1 , "classloader: loader Java code" },
+ { RT_TIMING_LOAD_CL_CACHE ,-1 , "classloader: store in classcache" },
+ { -1 ,-1 , "" },
+
+ { RT_TIMING_NEW_OBJECT ,-1 , "builtin_new time" },
+ { RT_TIMING_NEW_ARRAY ,-1 , "builtin_newarray time" },
+ { -1 ,-1 , "" },
+
+ { 0 ,-1 , NULL }
+};
+
+static long long rt_timing_sum[RT_TIMING_N] = { 0 };
+
+void rt_timing_gettime(struct timespec *ts)
+{
+ if (clock_gettime(CLOCK_THREAD_CPUTIME_ID,ts) != 0) {
+ fprintf(stderr,"could not get time by clock_gettime: %s\n",strerror(errno));
+ abort();
+ }
+}
+
+long rt_timing_diff_usec(struct timespec *a,struct timespec *b)
+{
+ long diff;
+ time_t atime;
+
+ diff = (b->tv_nsec - a->tv_nsec) / 1000;
+ atime = a->tv_sec;
+ while (atime < b->tv_sec) {
+ atime++;
+ diff += 1000000;
+ }
+ return diff;
+}
+
+void rt_timing_time_diff(struct timespec *a,struct timespec *b,int index)
+{
+ long diff;
+
+ diff = rt_timing_diff_usec(a,b);
+ rt_timing_sum[index] += diff;
+}
+
+void rt_timing_print_time_stats(FILE *file)
+{
+ struct rt_timing_stat *stats;
+ double total;
+
+ for (stats = rt_timing_stat_defs; stats->name; ++stats) {
+ if (stats->index < 0) {
+ fprintf(file,"%s\n",stats->name);
+ continue;
+ }
+
+ if (stats->totalindex >= 0) {
+ total = rt_timing_sum[stats->totalindex];
+ fprintf(file,"%12lld usec %3.0f%% %s\n",
+ rt_timing_sum[stats->index],
+ (total != 0.0) ? rt_timing_sum[stats->index] / total * 100.0 : 0.0,
+ stats->name);
+ }
+ else {
+ fprintf(file,"%12lld usec %s\n",
+ rt_timing_sum[stats->index],
+ stats->name);
+ }
+ }
+}
+
+/*
+ * These are local overrides for various environment variables in Emacs.
+ * Please do not remove this and leave it at the end of the file, where
+ * Emacs will automagically detect them.
+ * ---------------------------------------------------------------------
+ * Local variables:
+ * mode: c
+ * indent-tabs-mode: t
+ * c-basic-offset: 4
+ * tab-width: 4
+ * End:
+ * vim:noexpandtab:sw=4:ts=4:
+ */
projects / cacao.git / blobdiff