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// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
#include "vm/compiler_stats.h"
#include "vm/flags.h"
#include "vm/timer.h"
namespace dart {
DEFINE_FLAG(bool, compiler_stats, false, "Compiler stat counters.");
// Bytes allocated for generated code.
intptr_t CompilerStats::code_allocated = 0;
// Total number of characters in source.
intptr_t CompilerStats::src_length = 0;
// Cumulative runtime of parser.
Timer CompilerStats::parser_timer(true, "parser timer");
// Cumulative runtime of scanner.
Timer CompilerStats::scanner_timer(true, "scanner timer");
// Cumulative runtime of code generator.
Timer CompilerStats::codegen_timer(true, "codegen timer");
// Cumulative timer of flow graph builder, included in codegen_timer.
Timer CompilerStats::graphbuilder_timer(true, "flow graph builder timer");
// Cumulative timer of flow graph SSA construction, included in codegen_timer.
Timer CompilerStats::ssa_timer(true, "flow graph SSA timer");
// Cumulative timer of flow graph inliner, included in codegen_timer.
Timer CompilerStats::graphinliner_timer(true, "flow graph inliner timer");
// Cumulative sub-timers of flow graph inliner.
Timer CompilerStats::graphinliner_parse_timer(true, "inliner parsing timer");
Timer CompilerStats::graphinliner_build_timer(true, "inliner building timer");
Timer CompilerStats::graphinliner_ssa_timer(true, "inliner SSA timer");
Timer CompilerStats::graphinliner_opt_timer(true, "inliner optimization timer");
Timer CompilerStats::graphinliner_subst_timer(true,
"inliner substitution timer");
// Cumulative timer of flow graph optimizer, included in codegen_timer.
Timer CompilerStats::graphoptimizer_timer(true, "flow graph optimizer timer");
// Cumulative timer of flow graph compiler, included in codegen_timer.
Timer CompilerStats::graphcompiler_timer(true, "flow graph compiler timer");
// Cumulative timer of code finalization, included in codegen_timer.
Timer CompilerStats::codefinalizer_timer(true, "code finalization timer");
intptr_t CompilerStats::num_tokens_total = 0;
intptr_t CompilerStats::num_literal_tokens_total = 0;
intptr_t CompilerStats::num_ident_tokens_total = 0;
intptr_t CompilerStats::num_tokens_consumed = 0;
intptr_t CompilerStats::num_token_checks = 0;
intptr_t CompilerStats::num_tokens_rewind = 0;
intptr_t CompilerStats::num_tokens_lookahead = 0;
void CompilerStats::Print() {
if (!FLAG_compiler_stats) {
return;
}
OS::Print("==== Compiler Stats ====\n");
OS::Print("Number of tokens: %"Pd"\n", num_tokens_total);
OS::Print(" Literal tokens: %"Pd"\n", num_literal_tokens_total);
OS::Print(" Ident tokens: %"Pd"\n", num_ident_tokens_total);
OS::Print("Tokens consumed: %"Pd" (%.2f times number of tokens)\n",
num_tokens_consumed,
(1.0 * num_tokens_consumed) / num_tokens_total);
OS::Print("Tokens checked: %"Pd" (%.2f times tokens consumed)\n",
num_token_checks, (1.0 * num_token_checks) / num_tokens_consumed);
OS::Print("Token rewind: %"Pd" (%"Pd"%% of tokens checked)\n",
num_tokens_rewind, (100 * num_tokens_rewind) / num_token_checks);
OS::Print("Token lookahead: %"Pd" (%"Pd"%% of tokens checked)\n",
num_tokens_lookahead,
(100 * num_tokens_lookahead) / num_token_checks);
OS::Print("Source length: %"Pd" characters\n", src_length);
int64_t scan_usecs = scanner_timer.TotalElapsedTime();
OS::Print("Scanner time: %"Pd64" msecs\n",
scan_usecs / 1000);
int64_t parse_usecs = parser_timer.TotalElapsedTime();
OS::Print("Parser time: %"Pd64" msecs\n",
parse_usecs / 1000);
int64_t codegen_usecs = codegen_timer.TotalElapsedTime();
OS::Print("Code gen. time: %"Pd64" msecs\n",
codegen_usecs / 1000);
int64_t graphbuilder_usecs = graphbuilder_timer.TotalElapsedTime();
OS::Print(" Graph builder: %"Pd64" msecs\n", graphbuilder_usecs / 1000);
int64_t ssa_usecs = ssa_timer.TotalElapsedTime();
OS::Print(" Graph SSA: %"Pd64" msecs\n", ssa_usecs / 1000);
int64_t graphinliner_usecs = graphinliner_timer.TotalElapsedTime();
OS::Print(" Graph inliner: %"Pd64" msecs\n", graphinliner_usecs / 1000);
int64_t graphinliner_parse_usecs =
graphinliner_parse_timer.TotalElapsedTime();
OS::Print(" Parsing: %"Pd64" msecs\n",
graphinliner_parse_usecs / 1000);
int64_t graphinliner_build_usecs =
graphinliner_build_timer.TotalElapsedTime();
OS::Print(" Building: %"Pd64" msecs\n",
graphinliner_build_usecs / 1000);
int64_t graphinliner_ssa_usecs = graphinliner_ssa_timer.TotalElapsedTime();
OS::Print(" SSA: %"Pd64" msecs\n",
graphinliner_ssa_usecs / 1000);
int64_t graphinliner_opt_usecs = graphinliner_opt_timer.TotalElapsedTime();
OS::Print(" Optimization: %"Pd64" msecs\n",
graphinliner_opt_usecs / 1000);
int64_t graphinliner_subst_usecs =
graphinliner_subst_timer.TotalElapsedTime();
OS::Print(" Substitution: %"Pd64" msecs\n",
graphinliner_subst_usecs / 1000);
int64_t graphoptimizer_usecs = graphoptimizer_timer.TotalElapsedTime();
OS::Print(" Graph optimizer: %"Pd64" msecs\n",
(graphoptimizer_usecs - graphinliner_usecs) / 1000);
int64_t graphcompiler_usecs = graphcompiler_timer.TotalElapsedTime();
OS::Print(" Graph compiler: %"Pd64" msecs\n",
graphcompiler_usecs / 1000);
int64_t codefinalizer_usecs = codefinalizer_timer.TotalElapsedTime();
OS::Print(" Code finalizer: %"Pd64" msecs\n",
codefinalizer_usecs / 1000);
OS::Print("Compilation speed: %"Pd64" tokens per msec\n",
1000 * num_tokens_total / (parse_usecs + codegen_usecs));
OS::Print("Code size: %"Pd" KB\n",
code_allocated / 1024);
OS::Print("Code density: %"Pd" tokens per KB\n",
num_tokens_total * 1024 / code_allocated);
}
} // namespace dart