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8058968: Compiler time traces should be improved

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Use CITime consistently, make C2 to report to CompilerBroker, more probes.

Reviewed-by: vlivanov, jrose
This commit is contained in:
Aleksey Shipilev 2014-09-25 12:10:57 +04:00
parent d63b9025d8
commit f824f8c3cb
19 changed files with 386 additions and 313 deletions
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102
hotspot/src/share/vm/c1/c1_Compilation.cpp
View file

@ -38,17 +38,18 @@
typedef enum {
_t_compile,
_t_setup,
_t_buildIR,
_t_optimize_blocks,
_t_optimize_null_checks,
_t_rangeCheckElimination,
_t_emit_lir,
_t_linearScan,
_t_lirGeneration,
_t_lir_schedule,
_t_codeemit,
_t_codeinstall,
_t_setup,
_t_buildIR,
_t_hir_parse,
_t_gvn,
_t_optimize_blocks,
_t_optimize_null_checks,
_t_rangeCheckElimination,
_t_emit_lir,
_t_linearScan,
_t_lirGeneration,
_t_codeemit,
_t_codeinstall,
max_phase_timers
} TimerName;
@ -56,13 +57,14 @@ static const char * timer_name[] = {
"compile",
"setup",
"buildIR",
"parse_hir",
"gvn",
"optimize_blocks",
"optimize_null_checks",
"rangeCheckElimination",
"emit_lir",
"linearScan",
"lirGeneration",
"lir_schedule",
"codeemit",
"codeinstall"
};
@ -144,7 +146,10 @@ void Compilation::build_hir() {
log->stamp();
log->end_head();
}
_hir = new IR(this, method(), osr_bci());
{
PhaseTraceTime timeit(_t_hir_parse);
_hir = new IR(this, method(), osr_bci());
}
if (log) log->done("parse");
if (!_hir->is_valid()) {
bailout("invalid parsing");
@ -189,6 +194,7 @@ void Compilation::build_hir() {
if (UseGlobalValueNumbering) {
// No resource mark here! LoopInvariantCodeMotion can allocate ValueStack objects.
PhaseTraceTime timeit(_t_gvn);
int instructions = Instruction::number_of_instructions();
GlobalValueNumbering gvn(_hir);
assert(instructions == Instruction::number_of_instructions(),
@ -419,8 +425,12 @@ void Compilation::install_code(int frame_size) {
void Compilation::compile_method() {
// setup compilation
initialize();
{
PhaseTraceTime timeit(_t_setup);
// setup compilation
initialize();
}
if (!method()->can_be_compiled()) {
// Prevent race condition 6328518.
@ -615,24 +625,54 @@ ciKlass* Compilation::cha_exact_type(ciType* type) {
}
void Compilation::print_timers() {
// tty->print_cr(" Native methods : %6.3f s, Average : %2.3f", CompileBroker::_t_native_compilation.seconds(), CompileBroker::_t_native_compilation.seconds() / CompileBroker::_total_native_compile_count);
float total = timers[_t_setup].seconds() + timers[_t_buildIR].seconds() + timers[_t_emit_lir].seconds() + timers[_t_lir_schedule].seconds() + timers[_t_codeemit].seconds() + timers[_t_codeinstall].seconds();
tty->print_cr(" C1 Compile Time: %7.3f s", timers[_t_compile].seconds());
tty->print_cr(" Setup time: %7.3f s", timers[_t_setup].seconds());
{
tty->print_cr(" Build HIR: %7.3f s", timers[_t_buildIR].seconds());
tty->print_cr(" Parse: %7.3f s", timers[_t_hir_parse].seconds());
tty->print_cr(" Optimize blocks: %7.3f s", timers[_t_optimize_blocks].seconds());
tty->print_cr(" GVN: %7.3f s", timers[_t_gvn].seconds());
tty->print_cr(" Null checks elim: %7.3f s", timers[_t_optimize_null_checks].seconds());
tty->print_cr(" Range checks elim: %7.3f s", timers[_t_rangeCheckElimination].seconds());
tty->print_cr(" Detailed C1 Timings");
tty->print_cr(" Setup time: %6.3f s (%4.1f%%)", timers[_t_setup].seconds(), (timers[_t_setup].seconds() / total) * 100.0);
tty->print_cr(" Build IR: %6.3f s (%4.1f%%)", timers[_t_buildIR].seconds(), (timers[_t_buildIR].seconds() / total) * 100.0);
float t_optimizeIR = timers[_t_optimize_blocks].seconds() + timers[_t_optimize_null_checks].seconds();
tty->print_cr(" Optimize: %6.3f s (%4.1f%%)", t_optimizeIR, (t_optimizeIR / total) * 100.0);
tty->print_cr(" RCE: %6.3f s (%4.1f%%)", timers[_t_rangeCheckElimination].seconds(), (timers[_t_rangeCheckElimination].seconds() / total) * 100.0);
tty->print_cr(" Emit LIR: %6.3f s (%4.1f%%)", timers[_t_emit_lir].seconds(), (timers[_t_emit_lir].seconds() / total) * 100.0);
tty->print_cr(" LIR Gen: %6.3f s (%4.1f%%)", timers[_t_lirGeneration].seconds(), (timers[_t_lirGeneration].seconds() / total) * 100.0);
tty->print_cr(" Linear Scan: %6.3f s (%4.1f%%)", timers[_t_linearScan].seconds(), (timers[_t_linearScan].seconds() / total) * 100.0);
NOT_PRODUCT(LinearScan::print_timers(timers[_t_linearScan].seconds()));
tty->print_cr(" LIR Schedule: %6.3f s (%4.1f%%)", timers[_t_lir_schedule].seconds(), (timers[_t_lir_schedule].seconds() / total) * 100.0);
tty->print_cr(" Code Emission: %6.3f s (%4.1f%%)", timers[_t_codeemit].seconds(), (timers[_t_codeemit].seconds() / total) * 100.0);
tty->print_cr(" Code Installation: %6.3f s (%4.1f%%)", timers[_t_codeinstall].seconds(), (timers[_t_codeinstall].seconds() / total) * 100.0);
tty->print_cr(" Instruction Nodes: %6d nodes", totalInstructionNodes);
double other = timers[_t_buildIR].seconds() -
(timers[_t_hir_parse].seconds() +
timers[_t_optimize_blocks].seconds() +
timers[_t_gvn].seconds() +
timers[_t_optimize_null_checks].seconds() +
timers[_t_rangeCheckElimination].seconds());
if (other > 0) {
tty->print_cr(" Other: %7.3f s", other);
}
}
{
tty->print_cr(" Emit LIR: %7.3f s", timers[_t_emit_lir].seconds());
tty->print_cr(" LIR Gen: %7.3f s", timers[_t_lirGeneration].seconds());
tty->print_cr(" Linear Scan: %7.3f s", timers[_t_linearScan].seconds());
NOT_PRODUCT(LinearScan::print_timers(timers[_t_linearScan].seconds()));
double other = timers[_t_emit_lir].seconds() -
(timers[_t_lirGeneration].seconds() +
timers[_t_linearScan].seconds());
if (other > 0) {
tty->print_cr(" Other: %7.3f s", other);
}
}
tty->print_cr(" Code Emission: %7.3f s", timers[_t_codeemit].seconds());
tty->print_cr(" Code Installation: %7.3f s", timers[_t_codeinstall].seconds());
double other = timers[_t_compile].seconds() -
(timers[_t_setup].seconds() +
timers[_t_buildIR].seconds() +
timers[_t_emit_lir].seconds() +
timers[_t_codeemit].seconds() +
timers[_t_codeinstall].seconds());
if (other > 0) {
tty->print_cr(" Other: %7.3f s", other);
}
NOT_PRODUCT(LinearScan::print_statistics());
}