1 /* src/vmcore/statistics.c - global varables for statistics
3 Copyright (C) 1996-2005, 2006, 2007 R. Grafl, A. Krall, C. Kruegel,
4 C. Oates, R. Obermaisser, M. Platter, M. Probst, S. Ring,
5 E. Steiner, C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich,
6 J. Wenninger, Institut f. Computersprachen - TU Wien
8 This file is part of CACAO.
10 This program is free software; you can redistribute it and/or
11 modify it under the terms of the GNU General Public License as
12 published by the Free Software Foundation; either version 2, or (at
13 your option) any later version.
15 This program is distributed in the hope that it will be useful, but
16 WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
25 $Id: statistics.c 7483 2007-03-08 13:17:40Z michi $
34 #include <sys/resource.h>
38 #include "mm/gc-common.h"
40 #include "toolbox/logging.h"
42 #include "vm/global.h"
44 #include "vm/jit/code.h"
46 #include "vmcore/class.h"
47 #include "vmcore/field.h"
48 #include "vmcore/method.h"
49 #include "vmcore/options.h"
50 #include "vmcore/statistics.h"
53 /* global variables ***********************************************************/
55 static s8 loadingtime = 0; /* accumulated loading time */
56 static s8 loadingstarttime = 0;
57 static s8 loadingstoptime = 0;
58 static s4 loadingtime_recursion = 0;
60 static s8 compilingtime = 0; /* accumulated compile time */
61 static s8 compilingstarttime = 0;
62 static s8 compilingstoptime = 0;
63 static s4 compilingtime_recursion = 0;
66 s4 maxcodememusage = 0;
73 s4 globalallocateddumpsize = 0;
74 s4 globaluseddumpsize = 0;
77 /* variables for measurements *************************************************/
79 s4 size_classinfo = 0;
80 s4 size_fieldinfo = 0;
81 s4 size_methodinfo = 0;
85 s4 size_stack_map = 0;
87 int count_const_pool_len = 0;
88 int count_classref_len = 0;
89 int count_parsed_desc_len = 0;
90 int count_vftbl_len = 0;
91 int count_all_methods = 0;
92 int count_methods_marked_used = 0; /* RTA */
94 int count_vmcode_len = 0;
95 int count_extable_len = 0;
96 int count_class_loads = 0;
97 int count_class_inits = 0;
99 int count_utf_len = 0; /* size of utf hash */
100 int count_utf_new = 0; /* calls of utf_new */
101 int count_utf_new_found = 0; /* calls of utf_new with fast return */
103 int count_locals_conflicts = 0; /* register allocator statistics */
104 int count_locals_spilled = 0;
105 int count_locals_register = 0;
106 int count_ss_spilled = 0;
107 int count_ss_register = 0;
108 int count_methods_allocated_by_lsra = 0;
109 int count_mem_move_bb = 0;
110 int count_interface_size = 0;
111 int count_argument_mem_ss = 0;
112 int count_argument_reg_ss = 0;
113 int count_method_in_register = 0;
114 int count_mov_reg_reg = 0;
115 int count_mov_mem_reg = 0;
116 int count_mov_reg_mem = 0;
117 int count_mov_mem_mem = 0;
119 int count_jit_calls = 0;
120 int count_methods = 0;
121 int count_spills = 0;
122 int count_spills_read = 0;
123 int count_pcmd_activ = 0;
124 int count_pcmd_drop = 0;
125 int count_pcmd_zero = 0;
126 int count_pcmd_const_store = 0;
127 int count_pcmd_const_alu = 0;
128 int count_pcmd_const_bra = 0;
129 int count_pcmd_load = 0;
130 int count_pcmd_move = 0;
131 int count_load_instruction = 0;
132 int count_pcmd_store = 0;
133 int count_pcmd_store_comb = 0;
134 int count_dup_instruction = 0;
135 int count_pcmd_op = 0;
136 int count_pcmd_mem = 0;
137 int count_pcmd_met = 0;
138 int count_pcmd_bra = 0;
139 int count_pcmd_table = 0;
140 int count_pcmd_return = 0;
141 int count_pcmd_returnx = 0;
142 int count_check_null = 0;
143 int count_check_bound = 0;
144 int count_max_basic_blocks = 0;
145 int count_basic_blocks = 0;
146 int count_javainstr = 0;
147 int count_max_javainstr = 0;
148 int count_javacodesize = 0;
149 int count_javaexcsize = 0;
151 int count_tryblocks = 0;
152 int count_code_len = 0;
153 int count_data_len = 0;
154 int count_cstub_len = 0;
155 int count_nstub_len = 0;
156 int count_max_new_stack = 0;
157 int count_upper_bound_new_stack = 0;
159 s4 count_branches_resolved = 0;
160 s4 count_branches_unresolved = 0;
162 u8 count_native_function_calls=0;
163 u8 count_jni_callXmethod_calls=0;
164 u8 count_jni_calls=0;
167 static int count_block_stack_init[11] = {
172 int *count_block_stack = count_block_stack_init;
173 static int count_analyse_iterations_init[5] = {
176 int *count_analyse_iterations = count_analyse_iterations_init;
177 static int count_method_bb_distribution_init[9] = {
181 int *count_method_bb_distribution = count_method_bb_distribution_init;
182 static int count_block_size_distribution_init[18] = {
188 int *count_block_size_distribution = count_block_size_distribution_init;
189 static int count_store_length_init[21] = {
196 int *count_store_length = count_store_length_init;
197 static int count_store_depth_init[11] = {
202 int *count_store_depth = count_store_depth_init;
205 /* instruction scheduler statistics *******************************************/
207 s4 count_schedule_basic_blocks = 0;
208 s4 count_schedule_nodes = 0;
209 s4 count_schedule_leaders = 0;
210 s4 count_schedule_max_leaders = 0;
211 s4 count_schedule_critical_path = 0;
214 /* nativeinvokation ***********************************************************
216 increments the native invokation count by one
218 *******************************************************************************/
220 void nativeinvokation(void)
222 /* XXX do locking here */
223 count_native_function_calls++;
227 /* jnicallXmethodinvokation ***************************************************
229 increments the jni CallXMethod invokation count by one
231 *******************************************************************************/
233 void jnicallXmethodnvokation(void)
235 /* XXX do locking here */
236 count_jni_callXmethod_calls++;
240 /* jniinvokation *************************************************************
242 increments the jni overall invokation count by one
244 *******************************************************************************/
246 void jniinvokation(void)
248 /* XXX do locking here */
253 /* getcputime *********************************** ******************************
255 Returns the used CPU time in microseconds
257 *******************************************************************************/
264 getrusage(RUSAGE_SELF, &ru);
265 sec = ru.ru_utime.tv_sec + ru.ru_stime.tv_sec;
266 usec = ru.ru_utime.tv_usec + ru.ru_stime.tv_usec;
268 return sec * 1000000 + usec;
272 /* loadingtime_stop ************************************************************
276 *******************************************************************************/
278 void loadingtime_start(void)
280 loadingtime_recursion++;
282 if (loadingtime_recursion == 1)
283 loadingstarttime = getcputime();
287 /* loadingtime_stop ************************************************************
291 *******************************************************************************/
293 void loadingtime_stop(void)
295 if (loadingtime_recursion == 1) {
296 loadingstoptime = getcputime();
297 loadingtime += (loadingstoptime - loadingstarttime);
300 loadingtime_recursion--;
304 /* compilingtime_stop **********************************************************
308 *******************************************************************************/
310 void compilingtime_start(void)
312 compilingtime_recursion++;
314 if (compilingtime_recursion == 1)
315 compilingstarttime = getcputime();
319 /* compilingtime_stop **********************************************************
323 *******************************************************************************/
325 void compilingtime_stop(void)
327 if (compilingtime_recursion == 1) {
328 compilingstoptime = getcputime();
329 compilingtime += (compilingstoptime - compilingstarttime);
332 compilingtime_recursion--;
336 /* print_times *****************************************************************
338 Prints a summary of CPU time usage.
340 *******************************************************************************/
342 void print_times(void)
347 totaltime = getcputime();
348 runtime = totaltime - loadingtime - compilingtime;
350 #if SIZEOF_VOID_P == 8
351 dolog("Time for loading classes: %6ld ms", loadingtime / 1000);
352 dolog("Time for compiling code: %6ld ms", compilingtime / 1000);
353 dolog("Time for running program: %6ld ms", runtime / 1000);
354 dolog("Total time: %6ld ms", totaltime / 1000);
356 dolog("Time for loading classes: %6lld ms", loadingtime / 1000);
357 dolog("Time for compiling code: %6lld ms", compilingtime / 1000);
358 dolog("Time for running program: %6lld ms", runtime / 1000);
359 dolog("Total time: %6lld ms", totaltime / 1000);
364 /* print_stats *****************************************************************
366 outputs detailed compiler statistics
368 *******************************************************************************/
370 void print_stats(void)
377 dolog("Number of JIT compiler calls: %6d", count_jit_calls);
378 dolog("Number of compiled methods: %6d", count_methods);
380 dolog("Number of compiled basic blocks: %6d",
382 dolog("Number of max. basic blocks per method: %6d",
383 count_max_basic_blocks);
385 dolog("Number of compiled JavaVM instructions: %6d",
387 dolog("Number of max. JavaVM instructions per method: %6d",
388 count_max_javainstr);
389 dolog("Size of compiled JavaVM instructions: %6d(%d)",
390 count_javacodesize, count_javacodesize - count_methods * 18);
392 dolog("Size of compiled Exception Tables: %d", count_javaexcsize);
393 dolog("Number of Machine-Instructions: %d", count_code_len >> 2);
394 dolog("Number of Spills (write to memory): %d", count_spills);
395 dolog("Number of Spills (read from memory): %d", count_spills_read);
396 dolog("Number of Activ Pseudocommands: %6d", count_pcmd_activ);
397 dolog("Number of Drop Pseudocommands: %6d", count_pcmd_drop);
398 dolog("Number of Const Pseudocommands: %6d (zero:%5d)",
399 count_pcmd_load, count_pcmd_zero);
400 dolog("Number of ConstAlu Pseudocommands: %6d (cmp: %5d, store:%5d)",
401 count_pcmd_const_alu, count_pcmd_const_bra, count_pcmd_const_store);
402 dolog("Number of Move Pseudocommands: %6d", count_pcmd_move);
403 dolog("Number of Load Pseudocommands: %6d", count_load_instruction);
404 dolog("Number of Store Pseudocommands: %6d (combined: %5d)",
405 count_pcmd_store, count_pcmd_store - count_pcmd_store_comb);
406 dolog("Number of OP Pseudocommands: %6d", count_pcmd_op);
407 dolog("Number of DUP Pseudocommands: %6d", count_dup_instruction);
408 dolog("Number of Mem Pseudocommands: %6d", count_pcmd_mem);
409 dolog("Number of Method Pseudocommands: %6d", count_pcmd_met);
410 dolog("Number of Branch Pseudocommands: %6d (rets:%5d, Xrets: %5d)",
411 count_pcmd_bra, count_pcmd_return, count_pcmd_returnx);
412 log_println(" resolved branches: %6d", count_branches_resolved);
413 log_println(" unresolved branches: %6d", count_branches_unresolved);
414 dolog("Number of Table Pseudocommands: %6d", count_pcmd_table);
415 dolog("Number of Useful Pseudocommands: %6d", count_pcmd_table +
416 count_pcmd_bra + count_pcmd_load + count_pcmd_mem + count_pcmd_op);
417 dolog("Number of Null Pointer Checks: %6d", count_check_null);
418 dolog("Number of Array Bound Checks: %6d", count_check_bound);
419 dolog("Number of Try-Blocks: %d", count_tryblocks);
420 dolog("Maximal count of stack elements: %d", count_max_new_stack);
421 dolog("Upper bound of max stack elements: %d", count_upper_bound_new_stack);
422 dolog("Distribution of stack sizes at block boundary");
423 dolog(" 0 1 2 3 4 5 6 7 8 9 >=10");
424 dolog("%6d%6d%6d%6d%6d%6d%6d%6d%6d%6d%6d",
425 count_block_stack[0], count_block_stack[1], count_block_stack[2],
426 count_block_stack[3], count_block_stack[4], count_block_stack[5],
427 count_block_stack[6], count_block_stack[7], count_block_stack[8],
428 count_block_stack[9], count_block_stack[10]);
429 dolog("Distribution of store stack depth");
430 dolog(" 0 1 2 3 4 5 6 7 8 9 >=10");
431 dolog("%6d%6d%6d%6d%6d%6d%6d%6d%6d%6d%6d",
432 count_store_depth[0], count_store_depth[1], count_store_depth[2],
433 count_store_depth[3], count_store_depth[4], count_store_depth[5],
434 count_store_depth[6], count_store_depth[7], count_store_depth[8],
435 count_store_depth[9], count_store_depth[10]);
436 dolog("Distribution of store creator chains first part");
437 dolog(" 0 1 2 3 4 5 6 7 8 9");
438 dolog("%6d%6d%6d%6d%6d%6d%6d%6d%6d%6d",
439 count_store_length[0], count_store_length[1], count_store_length[2],
440 count_store_length[3], count_store_length[4], count_store_length[5],
441 count_store_length[6], count_store_length[7], count_store_length[8],
442 count_store_length[9]);
443 dolog("Distribution of store creator chains second part");
444 dolog(" 10 11 12 13 14 15 16 17 18 19 >=20");
445 dolog("%6d%6d%6d%6d%6d%6d%6d%6d%6d%6d%6d",
446 count_store_length[10], count_store_length[11],
447 count_store_length[12], count_store_length[13],
448 count_store_length[14], count_store_length[15],
449 count_store_length[16], count_store_length[17],
450 count_store_length[18], count_store_length[19],
451 count_store_length[20]);
452 dolog("Distribution of analysis iterations");
453 dolog(" 1 2 3 4 >=5");
454 dolog("%6d%6d%6d%6d%6d",
455 count_analyse_iterations[0], count_analyse_iterations[1],
456 count_analyse_iterations[2], count_analyse_iterations[3],
457 count_analyse_iterations[4]);
460 /* Distribution of basic blocks per method ********************************/
462 log_println("Distribution of basic blocks per method:");
463 log_println(" <=5 <=10 <=15 <=20 <=30 <=40 <=50 <=75 >75");
466 for (i = 0; i <= 8; i++)
467 log_print("%6d", count_method_bb_distribution[i]);
472 f = (float) count_methods;
475 for (i = 0; i <= 8; i++)
476 log_print("%6.2f", (float) count_method_bb_distribution[i] / f);
479 /* print cumulated ratio */
482 for (i = 0, sum = 0; i <= 8; i++) {
483 sum += count_method_bb_distribution[i];
484 log_print("%6.2f", (float) sum / f);
489 /* Distribution of basic block sizes **************************************/
491 log_println("Distribution of basic block sizes:");
492 log_println(" 0 1 2 3 4 5 6 7 8 9 <13 <15 <17 <19 <21 <26 <31 >30");
494 /* print block sizes */
497 for (i = 0; i <= 17; i++)
498 log_print("%6d", count_block_size_distribution[i]);
503 f = (float) count_basic_blocks;
506 for (i = 0; i <= 17; i++)
507 log_print("%6.2f", (float) count_block_size_distribution[i] / f);
510 /* print cumulated ratio */
513 for (i = 0, sum = 0; i <= 17; i++) {
514 sum += count_block_size_distribution[i];
515 log_print("%6.2f", (float) sum / f);
519 statistics_print_memory_usage();
521 dolog("Number of class loads: %6d", count_class_loads);
522 dolog("Number of class inits: %6d", count_class_inits);
523 dolog("Number of loaded Methods: %6d\n", count_all_methods);
525 dolog("Calls of utf_new: %6d", count_utf_new);
526 dolog("Calls of utf_new (element found): %6d\n", count_utf_new_found);
529 /* LSRA statistics ********************************************************/
531 dolog("Moves reg -> reg: %6d", count_mov_reg_reg);
532 dolog("Moves mem -> reg: %6d", count_mov_mem_reg);
533 dolog("Moves reg -> mem: %6d", count_mov_reg_mem);
534 dolog("Moves mem -> mem: %6d", count_mov_mem_mem);
536 dolog("Methods allocated by LSRA: %6d",
537 count_methods_allocated_by_lsra);
538 dolog("Conflicts between local Variables: %6d", count_locals_conflicts);
539 dolog("Local Variables held in Memory: %6d", count_locals_spilled);
540 dolog("Local Variables held in Registers: %6d", count_locals_register);
541 dolog("Stackslots held in Memory: %6d", count_ss_spilled);
542 dolog("Stackslots held in Registers: %6d", count_ss_register);
543 dolog("Memory moves at BB Boundaries: %6d", count_mem_move_bb);
544 dolog("Number of interface slots: %6d\n", count_interface_size);
545 dolog("Number of Argument stack slots in register: %6d",
546 count_argument_reg_ss);
547 dolog("Number of Argument stack slots in memory: %6d\n",
548 count_argument_mem_ss);
549 dolog("Number of Methods kept in registers: %6d\n",
550 count_method_in_register);
553 /* instruction scheduler statistics ***************************************/
555 #if defined(USE_SCHEDULER)
556 dolog("Instruction scheduler statistics:");
557 dolog("Number of basic blocks: %7d", count_schedule_basic_blocks);
558 dolog("Number of nodes: %7d", count_schedule_nodes);
559 dolog("Number of leaders nodes: %7d", count_schedule_leaders);
560 dolog("Number of max. leaders nodes: %7d", count_schedule_max_leaders);
561 dolog("Length of critical path: %7d\n", count_schedule_critical_path);
565 /* call statistics ********************************************************/
567 dolog("Function call statistics:");
568 dolog("Number of native function invokations: %ld",
569 count_native_function_calls);
570 dolog("Number of jni->CallXMethod function invokations: %ld",
571 count_jni_callXmethod_calls);
572 dolog("Overall number of jni invokations: %ld",
576 /* now print other statistics ********************************************/
578 #if defined(ENABLE_INTRP)
579 print_dynamic_super_statistics();
584 /* statistics_print_memory_usage ***********************************************
586 Print current memory usage.
588 *******************************************************************************/
590 void statistics_print_memory_usage(void)
594 printf("memory usage ----------------------\n\n");
595 printf("code: %10d\n", count_code_len);
596 printf("data: %10d\n", count_data_len);
598 printf(" ----------\n");
604 printf(" %10d\n", sum);
607 printf("classinfo (%3d B): %10d\n", sizeof(classinfo), size_classinfo);
608 printf("fieldinfo (%3d B): %10d\n", sizeof(fieldinfo), size_fieldinfo);
609 printf("methodinfo (%3d B): %10d\n", sizeof(methodinfo), size_methodinfo);
610 printf("lineinfo (%3d B): %10d\n", sizeof(lineinfo), size_lineinfo);
611 printf("codeinfo (%3d B): %10d\n", sizeof(codeinfo), size_codeinfo);
612 printf(" ----------\n");
621 printf(" %10d\n", sum);
624 printf("constant pool: %10d\n", count_const_pool_len);
625 printf("classref: %10d\n", count_classref_len);
626 printf("parsed descriptors: %10d\n", count_parsed_desc_len);
627 printf("vftbl: %10d\n", count_vftbl_len);
628 printf("compiler stubs: %10d\n", count_cstub_len);
629 printf("native stubs: %10d\n", count_nstub_len);
630 printf("utf: %10d\n", count_utf_len);
631 printf("vmcode: %10d\n", count_vmcode_len);
632 printf("exception tables: %10d\n", count_extable_len);
633 printf("stack map: %10d\n", size_stack_map);
634 printf(" ----------\n");
637 count_const_pool_len +
639 count_parsed_desc_len +
648 printf(" %10d\n", sum);
651 printf("max. memory usage: %10d\n", maxcodememusage);
652 printf("max. heap memory usage: %10d\n", maxmemusage);
653 printf("max. dump memory usage: %10d\n", maxdumpsize);
656 printf("heap memory not freed: %10d\n", (s4) memoryusage);
657 printf("dump memory not freed: %10d\n", (s4) globalallocateddumpsize);
662 /* statistics_print_gc_memory_usage ********************************************
664 Print current GC memory usage.
666 *******************************************************************************/
668 void statistics_print_gc_memory_usage(void)
670 log_println("GC memory usage -------------------");
672 log_println("max. heap size: %10lld", gc_get_max_heap_size());
674 log_println("heap size: %10lld", gc_get_heap_size());
675 log_println("free: %10lld", gc_get_free_bytes());
676 log_println("used: %10lld", gc_get_total_bytes());
681 * These are local overrides for various environment variables in Emacs.
682 * Please do not remove this and leave it at the end of the file, where
683 * Emacs will automagically detect them.
684 * ---------------------------------------------------------------------
687 * indent-tabs-mode: t
691 * vim:noexpandtab:sw=4:ts=4: