srdjan@google.com
953daeaf89
Review URL: https://chromiumcodereview.appspot.com//10116012 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@6697 260f80e4-7a28-3924-810f-c04153c831b5
91 lines
3.7 KiB
C++
91 lines
3.7 KiB
C++
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#include "vm/compiler_stats.h"
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#include "vm/flags.h"
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#include "vm/timer.h"
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namespace dart {
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DEFINE_FLAG(bool, compiler_stats, false, "Compiler stat counters.");
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// Bytes allocated for generated code.
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intptr_t CompilerStats::code_allocated = 0;
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// Total number of characters in source.
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intptr_t CompilerStats::src_length = 0;
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// Cumulative runtime of parser.
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Timer CompilerStats::parser_timer(true, "parser timer");
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// Cumulative runtime of scanner.
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Timer CompilerStats::scanner_timer(true, "scanner timer");
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// Cumulative runtime of code generator.
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Timer CompilerStats::codegen_timer(true, "codegen timer");
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// Cumulative timer of flow graph builder, included in codegen_timer.
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Timer CompilerStats::graphbuilder_timer(true, "flow graph builder timer");
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// Cumulative timer of flow graph compiler, included in codegen_timer.
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Timer CompilerStats::graphcompiler_timer(true, "flow graph compiler timer");
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// Cumulative timer of code finalization, included in codegen_timer.
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Timer CompilerStats::codefinalizer_timer(true, "code finalization timer");
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intptr_t CompilerStats::num_tokens_total = 0;
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intptr_t CompilerStats::num_literal_tokens_total = 0;
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intptr_t CompilerStats::num_ident_tokens_total = 0;
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intptr_t CompilerStats::num_tokens_consumed = 0;
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intptr_t CompilerStats::num_token_checks = 0;
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intptr_t CompilerStats::num_tokens_rewind = 0;
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intptr_t CompilerStats::num_tokens_lookahead = 0;
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void CompilerStats::Print() {
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if (!FLAG_compiler_stats) {
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return;
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}
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OS::Print("==== Compiler Stats ====\n");
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OS::Print("Number of tokens: %ld\n", num_tokens_total);
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OS::Print(" Literal tokens: %ld\n", num_literal_tokens_total);
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OS::Print(" Ident tokens: %ld\n", num_ident_tokens_total);
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OS::Print("Tokens consumed: %ld (%.2f times number of tokens)\n",
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num_tokens_consumed,
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(1.0 * num_tokens_consumed) / num_tokens_total);
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OS::Print("Tokens checked: %ld (%.2f times tokens consumed)\n",
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num_token_checks, (1.0 * num_token_checks) / num_tokens_consumed);
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OS::Print("Token rewind: %ld (%ld%% of tokens checked)\n",
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num_tokens_rewind, (100 * num_tokens_rewind) / num_token_checks);
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OS::Print("Token lookahead: %ld (%ld%% of tokens checked)\n",
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num_tokens_lookahead,
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(100 * num_tokens_lookahead) / num_token_checks);
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OS::Print("Source length: %ld characters\n", src_length);
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intptr_t scan_usecs = scanner_timer.TotalElapsedTime();
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OS::Print("Scanner time: %ld msecs\n",
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scan_usecs / 1000);
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intptr_t parse_usecs = parser_timer.TotalElapsedTime();
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OS::Print("Parser time: %ld msecs\n",
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parse_usecs / 1000);
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intptr_t codegen_usecs = codegen_timer.TotalElapsedTime();
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OS::Print("Code gen. time: %ld msecs\n",
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codegen_usecs / 1000);
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intptr_t graphbuilder_usecs = graphbuilder_timer.TotalElapsedTime();
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OS::Print(" Graph builder time: %ld msecs\n", graphbuilder_usecs / 1000);
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intptr_t graphcompiler_usecs = graphcompiler_timer.TotalElapsedTime();
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OS::Print(" Graph comp. time: %ld msecs\n", graphcompiler_usecs / 1000);
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intptr_t codefinalizer_usecs = codefinalizer_timer.TotalElapsedTime();
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OS::Print(" Code final. time: %ld msecs\n", codefinalizer_usecs / 1000);
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OS::Print("Compilation speed: %ld tokens per msec\n",
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1000 * num_tokens_total / (parse_usecs + codegen_usecs));
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OS::Print("Code size: %ld KB\n",
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code_allocated / 1024);
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OS::Print("Code density: %ld tokens per KB\n",
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num_tokens_total * 1024 / code_allocated);
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}
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} // namespace dart
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