1 /* src/vm/statistics.c - global variables for statistics
3 Copyright (C) 1996-2005, 2006, 2007, 2008
4 CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO
6 This file is part of CACAO.
8 This program is free software; you can redistribute it and/or
9 modify it under the terms of the GNU General Public License as
10 published by the Free Software Foundation; either version 2, or (at
11 your option) any later version.
13 This program is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
31 #if defined(HAVE_TIME_H)
35 #if defined(HAVE_SYS_TIME_H)
36 # include <sys/time.h>
39 #if defined(HAVE_SYS_RESOURCE_H)
40 # include <sys/resource.h>
47 #include "toolbox/logging.h"
51 #include "vm/global.h"
52 #include "vm/method.h"
53 #include "vm/options.h"
54 #include "vm/statistics.h"
56 #include "vm/jit/code.h"
59 /* global variables ***********************************************************/
61 static s8 loadingtime = 0; /* accumulated loading time */
62 static s8 loadingstarttime = 0;
63 static s8 loadingstoptime = 0;
64 static s4 loadingtime_recursion = 0;
66 static s8 compilingtime = 0; /* accumulated compile time */
67 static s8 compilingstarttime = 0;
68 static s8 compilingstoptime = 0;
69 static s4 compilingtime_recursion = 0;
72 s4 maxcodememusage = 0;
79 s4 globalallocateddumpsize = 0;
80 s4 globaluseddumpsize = 0;
83 /* variables for measurements *************************************************/
85 s4 size_classinfo = 0;
86 s4 size_fieldinfo = 0;
87 s4 size_methodinfo = 0;
91 s4 size_stub_native = 0;
93 s4 size_stack_map = 0;
96 s4 size_threadobject = 0;
97 int32_t size_thread_index_t = 0;
98 int32_t size_stacksize = 0;
100 s4 size_lock_record = 0;
101 s4 size_lock_hashtable = 0;
102 s4 size_lock_waiter = 0;
104 int32_t count_linenumbertable = 0;
105 int32_t size_linenumbertable = 0;
107 s4 size_patchref = 0;
109 u8 count_calls_java_to_native = 0;
110 u8 count_calls_native_to_java = 0;
112 int count_const_pool_len = 0;
113 int count_classref_len = 0;
114 int count_parsed_desc_len = 0;
115 int count_vftbl_len = 0;
116 int count_all_methods = 0;
117 int count_methods_marked_used = 0; /* RTA */
119 int count_vmcode_len = 0;
120 int count_extable_len = 0;
121 int count_class_loads = 0;
122 int count_class_inits = 0;
124 int count_utf_len = 0; /* size of utf hash */
125 int count_utf_new = 0; /* calls of utf_new */
126 int count_utf_new_found = 0; /* calls of utf_new with fast return */
128 int count_locals_conflicts = 0; /* register allocator statistics */
129 int count_locals_spilled = 0;
130 int count_locals_register = 0;
131 int count_ss_spilled = 0;
132 int count_ss_register = 0;
133 int count_methods_allocated_by_lsra = 0;
134 int count_mem_move_bb = 0;
135 int count_interface_size = 0;
136 int count_argument_mem_ss = 0;
137 int count_argument_reg_ss = 0;
138 int count_method_in_register = 0;
139 int count_mov_reg_reg = 0;
140 int count_mov_mem_reg = 0;
141 int count_mov_reg_mem = 0;
142 int count_mov_mem_mem = 0;
144 int count_jit_calls = 0;
145 int count_methods = 0;
146 int count_spills_read_ila = 0;
147 int count_spills_read_flt = 0;
148 int count_spills_read_dbl = 0;
149 int count_spills_write_ila = 0;
150 int count_spills_write_flt = 0;
151 int count_spills_write_dbl = 0;
152 int count_pcmd_activ = 0;
153 int count_pcmd_drop = 0;
154 int count_pcmd_zero = 0;
155 int count_pcmd_const_store = 0;
156 int count_pcmd_const_alu = 0;
157 int count_pcmd_const_bra = 0;
158 int count_pcmd_load = 0;
159 int count_pcmd_move = 0;
160 int count_load_instruction = 0;
161 int count_pcmd_store = 0;
162 int count_pcmd_store_comb = 0;
163 int count_dup_instruction = 0;
164 int count_pcmd_op = 0;
165 int count_pcmd_mem = 0;
166 int count_pcmd_met = 0;
167 int count_pcmd_bra = 0;
168 int count_pcmd_table = 0;
169 int count_pcmd_return = 0;
170 int count_pcmd_returnx = 0;
171 int count_check_null = 0;
172 int count_check_bound = 0;
173 int count_max_basic_blocks = 0;
174 int count_basic_blocks = 0;
175 int count_javainstr = 0;
176 int count_max_javainstr = 0;
177 int count_javacodesize = 0;
178 int count_javaexcsize = 0;
180 int count_tryblocks = 0;
181 int count_code_len = 0;
182 int count_data_len = 0;
183 int count_cstub_len = 0;
184 int count_max_new_stack = 0;
185 int count_upper_bound_new_stack = 0;
187 int count_emit_branch = 0;
188 int count_emit_branch_8bit = 0;
189 int count_emit_branch_16bit = 0;
190 int count_emit_branch_32bit = 0;
191 int count_emit_branch_64bit = 0;
193 s4 count_branches_resolved = 0;
194 s4 count_branches_unresolved = 0;
196 u8 count_jni_callXmethod_calls=0;
197 u8 count_jni_calls=0;
200 static int count_block_stack_init[11] = {
205 int *count_block_stack = count_block_stack_init;
206 static int count_analyse_iterations_init[5] = {
209 int *count_analyse_iterations = count_analyse_iterations_init;
210 static int count_method_bb_distribution_init[9] = {
214 int *count_method_bb_distribution = count_method_bb_distribution_init;
215 static int count_block_size_distribution_init[18] = {
221 int *count_block_size_distribution = count_block_size_distribution_init;
222 static int count_store_length_init[21] = {
229 int *count_store_length = count_store_length_init;
230 static int count_store_depth_init[11] = {
235 int *count_store_depth = count_store_depth_init;
238 /* instruction scheduler statistics *******************************************/
240 s4 count_schedule_basic_blocks = 0;
241 s4 count_schedule_nodes = 0;
242 s4 count_schedule_leaders = 0;
243 s4 count_schedule_max_leaders = 0;
244 s4 count_schedule_critical_path = 0;
247 /* jnicallXmethodinvokation ***************************************************
249 increments the jni CallXMethod invokation count by one
251 *******************************************************************************/
253 void jnicallXmethodnvokation(void)
255 /* XXX do locking here */
256 count_jni_callXmethod_calls++;
260 /* jniinvokation *************************************************************
262 increments the jni overall invokation count by one
264 *******************************************************************************/
266 void jniinvokation(void)
268 /* XXX do locking here */
273 /* getcputime *********************************** ******************************
275 Returns the used CPU time in microseconds
277 *******************************************************************************/
281 #if defined(HAVE_GETRUSAGE)
285 getrusage(RUSAGE_SELF, &ru);
287 sec = ru.ru_utime.tv_sec + ru.ru_stime.tv_sec;
288 usec = ru.ru_utime.tv_usec + ru.ru_stime.tv_usec;
290 return sec * 1000000 + usec;
292 /* If we don't have getrusage, simply return 0. */
299 /* loadingtime_stop ************************************************************
303 *******************************************************************************/
305 void loadingtime_start(void)
307 loadingtime_recursion++;
309 if (loadingtime_recursion == 1)
310 loadingstarttime = getcputime();
314 /* loadingtime_stop ************************************************************
318 *******************************************************************************/
320 void loadingtime_stop(void)
322 if (loadingtime_recursion == 1) {
323 loadingstoptime = getcputime();
324 loadingtime += (loadingstoptime - loadingstarttime);
327 loadingtime_recursion--;
331 /* compilingtime_stop **********************************************************
335 *******************************************************************************/
337 void compilingtime_start(void)
339 compilingtime_recursion++;
341 if (compilingtime_recursion == 1)
342 compilingstarttime = getcputime();
346 /* compilingtime_stop **********************************************************
350 *******************************************************************************/
352 void compilingtime_stop(void)
354 if (compilingtime_recursion == 1) {
355 compilingstoptime = getcputime();
356 compilingtime += (compilingstoptime - compilingstarttime);
359 compilingtime_recursion--;
363 /* print_times *****************************************************************
365 Prints a summary of CPU time usage.
367 *******************************************************************************/
369 void print_times(void)
374 totaltime = getcputime();
375 runtime = totaltime - loadingtime - compilingtime;
377 #if SIZEOF_VOID_P == 8
378 dolog("Time for loading classes: %6ld ms", loadingtime / 1000);
379 dolog("Time for compiling code: %6ld ms", compilingtime / 1000);
380 dolog("Time for running program: %6ld ms", runtime / 1000);
381 dolog("Total time: %6ld ms", totaltime / 1000);
383 dolog("Time for loading classes: %6lld ms", loadingtime / 1000);
384 dolog("Time for compiling code: %6lld ms", compilingtime / 1000);
385 dolog("Time for running program: %6lld ms", runtime / 1000);
386 dolog("Total time: %6lld ms", totaltime / 1000);
391 /* print_stats *****************************************************************
393 outputs detailed compiler statistics
395 *******************************************************************************/
397 void print_stats(void)
404 dolog("Number of JIT compiler calls: %6d", count_jit_calls);
405 dolog("Number of compiled methods: %6d", count_methods);
407 dolog("Number of compiled basic blocks: %6d",
409 dolog("Number of max. basic blocks per method: %6d",
410 count_max_basic_blocks);
412 dolog("Number of compiled JavaVM instructions: %6d",
414 dolog("Number of max. JavaVM instructions per method: %6d",
415 count_max_javainstr);
416 dolog("Size of compiled JavaVM instructions: %6d(%d)",
417 count_javacodesize, count_javacodesize - count_methods * 18);
419 dolog("Size of compiled Exception Tables: %d", count_javaexcsize);
420 dolog("Number of Machine-Instructions: %d", count_code_len >> 2);
421 dolog("Number of Spills (write to memory) <all [i/l/a|flt|dbl]>: %d [%d|%d|%d]",
422 count_spills_write_ila + count_spills_write_flt + count_spills_write_dbl,
423 count_spills_write_ila, count_spills_write_flt, count_spills_write_dbl);
424 dolog("Number of Spills (read from memory) <all [i/l/a|flt|dbl]>: %d [%d|%d|%d]",
425 count_spills_read_ila + count_spills_read_flt + count_spills_read_dbl,
426 count_spills_read_ila, count_spills_read_flt, count_spills_read_dbl);
427 dolog("Number of Activ Pseudocommands: %6d", count_pcmd_activ);
428 dolog("Number of Drop Pseudocommands: %6d", count_pcmd_drop);
429 dolog("Number of Const Pseudocommands: %6d (zero:%5d)",
430 count_pcmd_load, count_pcmd_zero);
431 dolog("Number of ConstAlu Pseudocommands: %6d (cmp: %5d, store:%5d)",
432 count_pcmd_const_alu, count_pcmd_const_bra, count_pcmd_const_store);
433 dolog("Number of Move Pseudocommands: %6d", count_pcmd_move);
434 dolog("Number of Load Pseudocommands: %6d", count_load_instruction);
435 dolog("Number of Store Pseudocommands: %6d (combined: %5d)",
436 count_pcmd_store, count_pcmd_store - count_pcmd_store_comb);
437 dolog("Number of OP Pseudocommands: %6d", count_pcmd_op);
438 dolog("Number of DUP Pseudocommands: %6d", count_dup_instruction);
439 dolog("Number of Mem Pseudocommands: %6d", count_pcmd_mem);
440 dolog("Number of Method Pseudocommands: %6d", count_pcmd_met);
441 dolog("Number of Branch Pseudocommands: %6d (rets:%5d, Xrets: %5d)",
442 count_pcmd_bra, count_pcmd_return, count_pcmd_returnx);
443 log_println(" resolved branches: %6d", count_branches_resolved);
444 log_println(" unresolved branches: %6d", count_branches_unresolved);
445 dolog("Number of Table Pseudocommands: %6d", count_pcmd_table);
446 dolog("Number of Useful Pseudocommands: %6d", count_pcmd_table +
447 count_pcmd_bra + count_pcmd_load + count_pcmd_mem + count_pcmd_op);
448 dolog("Number of Null Pointer Checks: %6d", count_check_null);
449 dolog("Number of Array Bound Checks: %6d", count_check_bound);
450 dolog("Number of Try-Blocks: %d", count_tryblocks);
452 dolog("Number of branch_emit (total, 8bit/16bit/32bit/64bit offset): %d, %d/%d/%d/%d",
453 count_emit_branch, count_emit_branch_8bit, count_emit_branch_16bit,
454 count_emit_branch_32bit, count_emit_branch_64bit);
456 dolog("Maximal count of stack elements: %d", count_max_new_stack);
457 dolog("Upper bound of max stack elements: %d", count_upper_bound_new_stack);
458 dolog("Distribution of stack sizes at block boundary");
459 dolog(" 0 1 2 3 4 5 6 7 8 9 >=10");
460 dolog("%6d%6d%6d%6d%6d%6d%6d%6d%6d%6d%6d",
461 count_block_stack[0], count_block_stack[1], count_block_stack[2],
462 count_block_stack[3], count_block_stack[4], count_block_stack[5],
463 count_block_stack[6], count_block_stack[7], count_block_stack[8],
464 count_block_stack[9], count_block_stack[10]);
465 dolog("Distribution of store stack depth");
466 dolog(" 0 1 2 3 4 5 6 7 8 9 >=10");
467 dolog("%6d%6d%6d%6d%6d%6d%6d%6d%6d%6d%6d",
468 count_store_depth[0], count_store_depth[1], count_store_depth[2],
469 count_store_depth[3], count_store_depth[4], count_store_depth[5],
470 count_store_depth[6], count_store_depth[7], count_store_depth[8],
471 count_store_depth[9], count_store_depth[10]);
472 dolog("Distribution of store creator chains first part");
473 dolog(" 0 1 2 3 4 5 6 7 8 9");
474 dolog("%6d%6d%6d%6d%6d%6d%6d%6d%6d%6d",
475 count_store_length[0], count_store_length[1], count_store_length[2],
476 count_store_length[3], count_store_length[4], count_store_length[5],
477 count_store_length[6], count_store_length[7], count_store_length[8],
478 count_store_length[9]);
479 dolog("Distribution of store creator chains second part");
480 dolog(" 10 11 12 13 14 15 16 17 18 19 >=20");
481 dolog("%6d%6d%6d%6d%6d%6d%6d%6d%6d%6d%6d",
482 count_store_length[10], count_store_length[11],
483 count_store_length[12], count_store_length[13],
484 count_store_length[14], count_store_length[15],
485 count_store_length[16], count_store_length[17],
486 count_store_length[18], count_store_length[19],
487 count_store_length[20]);
488 dolog("Distribution of analysis iterations");
489 dolog(" 1 2 3 4 >=5");
490 dolog("%6d%6d%6d%6d%6d",
491 count_analyse_iterations[0], count_analyse_iterations[1],
492 count_analyse_iterations[2], count_analyse_iterations[3],
493 count_analyse_iterations[4]);
496 /* Distribution of basic blocks per method ********************************/
498 log_println("Distribution of basic blocks per method:");
499 log_println(" <=5 <=10 <=15 <=20 <=30 <=40 <=50 <=75 >75");
502 for (i = 0; i <= 8; i++)
503 log_print("%6d", count_method_bb_distribution[i]);
508 f = (float) count_methods;
511 for (i = 0; i <= 8; i++)
512 log_print("%6.2f", (float) count_method_bb_distribution[i] / f);
515 /* print cumulated ratio */
518 for (i = 0, sum = 0; i <= 8; i++) {
519 sum += count_method_bb_distribution[i];
520 log_print("%6.2f", (float) sum / f);
525 /* Distribution of basic block sizes **************************************/
527 log_println("Distribution of basic block sizes:");
528 log_println(" 0 1 2 3 4 5 6 7 8 9 <13 <15 <17 <19 <21 <26 <31 >30");
530 /* print block sizes */
533 for (i = 0; i <= 17; i++)
534 log_print("%6d", count_block_size_distribution[i]);
539 f = (float) count_basic_blocks;
542 for (i = 0; i <= 17; i++)
543 log_print("%6.2f", (float) count_block_size_distribution[i] / f);
546 /* print cumulated ratio */
549 for (i = 0, sum = 0; i <= 17; i++) {
550 sum += count_block_size_distribution[i];
551 log_print("%6.2f", (float) sum / f);
555 statistics_print_memory_usage();
557 dolog("Number of class loads: %6d", count_class_loads);
558 dolog("Number of class inits: %6d", count_class_inits);
559 dolog("Number of loaded Methods: %6d\n", count_all_methods);
561 dolog("Calls of utf_new: %6d", count_utf_new);
562 dolog("Calls of utf_new (element found): %6d\n", count_utf_new_found);
565 /* LSRA statistics ********************************************************/
567 dolog("Moves reg -> reg: %6d", count_mov_reg_reg);
568 dolog("Moves mem -> reg: %6d", count_mov_mem_reg);
569 dolog("Moves reg -> mem: %6d", count_mov_reg_mem);
570 dolog("Moves mem -> mem: %6d", count_mov_mem_mem);
572 dolog("Methods allocated by LSRA: %6d",
573 count_methods_allocated_by_lsra);
574 dolog("Conflicts between local Variables: %6d", count_locals_conflicts);
575 dolog("Local Variables held in Memory: %6d", count_locals_spilled);
576 dolog("Local Variables held in Registers: %6d", count_locals_register);
577 dolog("Stackslots held in Memory: %6d", count_ss_spilled);
578 dolog("Stackslots held in Registers: %6d", count_ss_register);
579 dolog("Memory moves at BB Boundaries: %6d", count_mem_move_bb);
580 dolog("Number of interface slots: %6d\n", count_interface_size);
581 dolog("Number of Argument stack slots in register: %6d",
582 count_argument_reg_ss);
583 dolog("Number of Argument stack slots in memory: %6d\n",
584 count_argument_mem_ss);
585 dolog("Number of Methods kept in registers: %6d\n",
586 count_method_in_register);
589 /* instruction scheduler statistics ***************************************/
591 #if defined(USE_SCHEDULER)
592 dolog("Instruction scheduler statistics:");
593 dolog("Number of basic blocks: %7d", count_schedule_basic_blocks);
594 dolog("Number of nodes: %7d", count_schedule_nodes);
595 dolog("Number of leaders nodes: %7d", count_schedule_leaders);
596 dolog("Number of max. leaders nodes: %7d", count_schedule_max_leaders);
597 dolog("Length of critical path: %7d\n", count_schedule_critical_path);
601 /* call statistics ********************************************************/
603 dolog("Function call statistics:");
604 dolog("Number of jni->CallXMethod function invokations: %ld",
605 count_jni_callXmethod_calls);
606 dolog("Overall number of jni invokations: %ld",
609 log_println("java-to-native calls: %10ld", count_calls_java_to_native);
610 log_println("native-to-java calls: %10ld", count_calls_native_to_java);
613 /* now print other statistics ********************************************/
615 #if defined(ENABLE_INTRP)
616 print_dynamic_super_statistics();
621 /* statistics_print_date *******************************************************
623 Print current date and time.
625 *******************************************************************************/
627 void statistics_print_date(void)
632 #if defined(HAVE_TIME)
638 #if defined(HAVE_LOCALTIME_R)
639 localtime_r(&t, &tm);
641 # error !HAVE_LOCALTIME_R
644 log_println("%d-%02d-%02d %02d:%02d:%02d",
645 1900 + tm.tm_year, tm.tm_mon + 1, tm.tm_mday,
646 tm.tm_hour, tm.tm_min, tm.tm_sec);
650 /* statistics_print_memory_usage ***********************************************
652 Print current memory usage.
654 *******************************************************************************/
656 void statistics_print_memory_usage(void)
660 log_println("memory usage ----------------------");
662 log_println("code: %10d", count_code_len);
663 log_println("data: %10d", count_data_len);
664 log_println(" ----------");
670 log_println(" %10d", sum);
674 log_println("classinfo (%3d B): %10d", (int) sizeof(classinfo), size_classinfo);
675 log_println("fieldinfo (%3d B): %10d", (int) sizeof(fieldinfo), size_fieldinfo);
676 log_println("methodinfo (%3d B): %10d", (int) sizeof(methodinfo), size_methodinfo);
677 log_println("lineinfo (%3d B): %10d", (int) sizeof(lineinfo), size_lineinfo);
678 log_println("codeinfo (%3d B): %10d", (int) sizeof(codeinfo), size_codeinfo);
679 log_println(" ----------");
688 log_println(" %10d", sum);
692 log_println("linenumber tables (%5d): %10d", count_linenumbertable, size_linenumbertable);
693 log_println("exception tables: %10d", count_extable_len);
694 log_println("patcher references: %10d", size_patchref);
695 log_println(" ----------");
698 size_linenumbertable +
702 log_println(" %10d", sum);
706 log_println("constant pool: %10d", count_const_pool_len);
707 log_println("classref: %10d", count_classref_len);
708 log_println("parsed descriptors: %10d", count_parsed_desc_len);
709 log_println("vftbl: %10d", count_vftbl_len);
710 log_println("compiler stubs: %10d", count_cstub_len);
711 log_println("native stubs: %10d", size_stub_native);
712 log_println("utf: %10d", count_utf_len);
713 log_println("vmcode: %10d", count_vmcode_len);
714 log_println("stack map: %10d", size_stack_map);
715 log_println("string: %10d", size_string);
716 log_println("threadobject: %10d", size_threadobject);
717 log_println("thread index: %10d", size_thread_index_t);
718 log_println("stack size: %10d", size_stacksize);
719 log_println("lock record: %10d", size_lock_record);
720 log_println("lock hashtable: %10d", size_lock_hashtable);
721 log_println("lock waiter: %10d", size_lock_waiter);
722 log_println(" ----------");
725 count_const_pool_len +
727 count_parsed_desc_len +
736 size_thread_index_t +
739 size_lock_hashtable +
742 log_println(" %10d", sum);
746 log_println("max. code memory: %10d", maxcodememusage);
747 log_println("max. heap memory: %10d", maxmemusage);
748 log_println("max. dump memory: %10d", maxdumpsize);
750 log_println("heap memory not freed: %10d", (int32_t) memoryusage);
751 log_println("dump memory not freed: %10d", (int32_t) globalallocateddumpsize);
757 /* statistics_print_gc_memory_usage ********************************************
759 Print current GC memory usage.
761 *******************************************************************************/
763 void statistics_print_gc_memory_usage(void)
765 static int64_t count = 0;
774 max = gc_get_max_heap_size();
775 size = gc_get_heap_size();
776 free = gc_get_free_bytes();
778 total = gc_get_total_bytes();
780 if (opt_ProfileMemoryUsageGNUPlot) {
782 fprintf(opt_ProfileMemoryUsageGNUPlot, "plot \"profile.dat\" using 1:2 with lines title \"max. Java heap size\", \"profile.dat\" using 1:3 with lines title \"Java heap size\", \"profile.dat\" using 1:4 with lines title \"used\", \"profile.dat\" using 1:5 with lines title \"free\"\n");
784 #if SIZEOF_VOID_P == 8
785 fprintf(opt_ProfileMemoryUsageGNUPlot, "%ld %ld %ld %ld %ld\n", count, max, size, used, free);
787 fprintf(opt_ProfileMemoryUsageGNUPlot, "%lld %lld %lld %lld %lld\n", count, max, size, used, free);
790 fflush(opt_ProfileMemoryUsageGNUPlot);
793 log_println("GC memory usage -------------------");
795 log_println("max. Java heap size: %10lld", max);
797 log_println("Java heap size: %10lld", size);
798 log_println("used: %10lld", used);
799 log_println("free: %10lld", free);
800 log_println("totally used: %10lld", total);
807 * These are local overrides for various environment variables in Emacs.
808 * Please do not remove this and leave it at the end of the file, where
809 * Emacs will automagically detect them.
810 * ---------------------------------------------------------------------
813 * indent-tabs-mode: t
817 * vim:noexpandtab:sw=4:ts=4: