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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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49
hotspot/src/share/vm/compiler/compileBroker.cpp
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@ -137,6 +137,8 @@ PerfVariable* CompileBroker::_perf_last_invalidated_type = NULL;
elapsedTimer CompileBroker::_t_total_compilation;
elapsedTimer CompileBroker::_t_osr_compilation;
elapsedTimer CompileBroker::_t_standard_compilation;
elapsedTimer CompileBroker::_t_invalidated_compilation;
elapsedTimer CompileBroker::_t_bailedout_compilation;
int CompileBroker::_total_bailout_count = 0;
int CompileBroker::_total_invalidated_count = 0;
@ -2236,6 +2238,11 @@ void CompileBroker::collect_statistics(CompilerThread* thread, elapsedTimer time
// _perf variables are production performance counters which are
// updated regardless of the setting of the CITime and CITimeEach flags
//
// account all time, including bailouts and failures in this counter;
// C1 and C2 counters are counting both successful and unsuccessful compiles
_t_total_compilation.add(time);
if (!success) {
_total_bailout_count++;
if (UsePerfData) {
@ -2243,6 +2250,7 @@ void CompileBroker::collect_statistics(CompilerThread* thread, elapsedTimer time
_perf_last_failed_type->set_value(counters->compile_type());
_perf_total_bailout_count->inc();
}
_t_bailedout_compilation.add(time);
} else if (code == NULL) {
if (UsePerfData) {
_perf_last_invalidated_method->set_value(counters->current_method());
@ -2250,14 +2258,13 @@ void CompileBroker::collect_statistics(CompilerThread* thread, elapsedTimer time
_perf_total_invalidated_count->inc();
}
_total_invalidated_count++;
_t_invalidated_compilation.add(time);
} else {
// Compilation succeeded
// update compilation ticks - used by the implementation of
// java.lang.management.CompilationMBean
_perf_total_compilation->inc(time.ticks());
_t_total_compilation.add(time);
_peak_compilation_time = time.milliseconds() > _peak_compilation_time ? time.milliseconds() : _peak_compilation_time;
if (CITime) {
@ -2325,37 +2332,47 @@ const char* CompileBroker::compiler_name(int comp_level) {
void CompileBroker::print_times() {
tty->cr();
tty->print_cr("Accumulated compiler times (for compiled methods only)");
tty->print_cr("------------------------------------------------");
tty->print_cr("Accumulated compiler times");
tty->print_cr("----------------------------------------------------------");
//0000000000111111111122222222223333333333444444444455555555556666666666
//0123456789012345678901234567890123456789012345678901234567890123456789
tty->print_cr(" Total compilation time : %6.3f s", CompileBroker::_t_total_compilation.seconds());
tty->print_cr(" Standard compilation : %6.3f s, Average : %2.3f",
tty->print_cr(" Total compilation time : %7.3f s", CompileBroker::_t_total_compilation.seconds());
tty->print_cr(" Standard compilation : %7.3f s, Average : %2.3f s",
CompileBroker::_t_standard_compilation.seconds(),
CompileBroker::_t_standard_compilation.seconds() / CompileBroker::_total_standard_compile_count);
tty->print_cr(" On stack replacement : %6.3f s, Average : %2.3f", CompileBroker::_t_osr_compilation.seconds(), CompileBroker::_t_osr_compilation.seconds() / CompileBroker::_total_osr_compile_count);
tty->print_cr(" Bailed out compilation : %7.3f s, Average : %2.3f s",
CompileBroker::_t_bailedout_compilation.seconds(),
CompileBroker::_t_bailedout_compilation.seconds() / CompileBroker::_total_bailout_count);
tty->print_cr(" On stack replacement : %7.3f s, Average : %2.3f s",
CompileBroker::_t_osr_compilation.seconds(),
CompileBroker::_t_osr_compilation.seconds() / CompileBroker::_total_osr_compile_count);
tty->print_cr(" Invalidated : %7.3f s, Average : %2.3f s",
CompileBroker::_t_invalidated_compilation.seconds(),
CompileBroker::_t_invalidated_compilation.seconds() / CompileBroker::_total_invalidated_count);
AbstractCompiler *comp = compiler(CompLevel_simple);
if (comp != NULL) {
tty->cr();
comp->print_timers();
}
comp = compiler(CompLevel_full_optimization);
if (comp != NULL) {
tty->cr();
comp->print_timers();
}
tty->cr();
tty->print_cr(" Total compiled methods : %6d methods", CompileBroker::_total_compile_count);
tty->print_cr(" Standard compilation : %6d methods", CompileBroker::_total_standard_compile_count);
tty->print_cr(" On stack replacement : %6d methods", CompileBroker::_total_osr_compile_count);
tty->print_cr(" Total compiled methods : %8d methods", CompileBroker::_total_compile_count);
tty->print_cr(" Standard compilation : %8d methods", CompileBroker::_total_standard_compile_count);
tty->print_cr(" On stack replacement : %8d methods", CompileBroker::_total_osr_compile_count);
int tcb = CompileBroker::_sum_osr_bytes_compiled + CompileBroker::_sum_standard_bytes_compiled;
tty->print_cr(" Total compiled bytecodes : %6d bytes", tcb);
tty->print_cr(" Standard compilation : %6d bytes", CompileBroker::_sum_standard_bytes_compiled);
tty->print_cr(" On stack replacement : %6d bytes", CompileBroker::_sum_osr_bytes_compiled);
tty->print_cr(" Total compiled bytecodes : %8d bytes", tcb);
tty->print_cr(" Standard compilation : %8d bytes", CompileBroker::_sum_standard_bytes_compiled);
tty->print_cr(" On stack replacement : %8d bytes", CompileBroker::_sum_osr_bytes_compiled);
int bps = (int)(tcb / CompileBroker::_t_total_compilation.seconds());
tty->print_cr(" Average compilation speed: %6d bytes/s", bps);
tty->print_cr(" Average compilation speed : %8d bytes/s", bps);
tty->cr();
tty->print_cr(" nmethod code size : %6d bytes", CompileBroker::_sum_nmethod_code_size);
tty->print_cr(" nmethod total size : %6d bytes", CompileBroker::_sum_nmethod_size);
tty->print_cr(" nmethod code size : %8d bytes", CompileBroker::_sum_nmethod_code_size);
tty->print_cr(" nmethod total size : %8d bytes", CompileBroker::_sum_nmethod_size);
}
// Debugging output for failure