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8078897: Clean out unused code in G1MMUTracker

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Reviewed-by: brutisso, jwilhelm, drwhite
This commit is contained in:
Stefan Johansson 2015-04-30 10:14:26 +02:00
parent c120339bf0
commit 20689e5397
2 changed files with 2 additions and 43 deletions
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40
hotspot/src/share/vm/gc_implementation/g1/g1MMUTracker.cpp
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2001, 2011, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2001, 2015, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -76,9 +76,6 @@ double G1MMUTrackerQueue::calculate_gc_time(double current_time) {
}
void G1MMUTrackerQueue::add_pause(double start, double end, bool gc_thread) {
double longest_allowed = longest_pause_internal(start);
if (longest_allowed < 0.0)
longest_allowed = 0.0;
double duration = end - start;
remove_expired_entries(end);
@ -111,41 +108,6 @@ void G1MMUTrackerQueue::add_pause(double start, double end, bool gc_thread) {
// this is for trying things out in the future and a couple
// of other places (debugging)
double G1MMUTrackerQueue::longest_pause(double current_time) {
if (_DISABLE_MMU)
return _max_gc_time;
MutexLockerEx x(MMUTracker_lock, Mutex::_no_safepoint_check_flag);
remove_expired_entries(current_time);
return longest_pause_internal(current_time);
}
double G1MMUTrackerQueue::longest_pause_internal(double current_time) {
double target_time = _max_gc_time;
while( 1 ) {
double gc_time =
calculate_gc_time(current_time + target_time);
double diff = target_time + gc_time - _max_gc_time;
if (!is_double_leq_0(diff)) {
target_time -= diff;
if (is_double_leq_0(target_time)) {
target_time = -1.0;
break;
}
} else {
break;
}
}
return target_time;
}
// basically the _internal call does not remove expired entries
// this is for trying things out in the future and a couple
// of other places (debugging)
double G1MMUTrackerQueue::when_sec(double current_time, double pause_time) {
if (_DISABLE_MMU)
return 0.0;

5
hotspot/src/share/vm/gc_implementation/g1/g1MMUTracker.hpp
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2001, 2012, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2001, 2015, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -43,7 +43,6 @@ public:
G1MMUTracker(double time_slice, double max_gc_time);
virtual void add_pause(double start, double end, bool gc_thread) = 0;
virtual double longest_pause(double current_time) = 0;
virtual double when_sec(double current_time, double pause_time) = 0;
double max_gc_time() {
@ -122,7 +121,6 @@ private:
void remove_expired_entries(double current_time);
double calculate_gc_time(double current_time);
double longest_pause_internal(double current_time);
double when_internal(double current_time, double pause_time);
public:
@ -130,7 +128,6 @@ public:
virtual void add_pause(double start, double end, bool gc_thread);
virtual double longest_pause(double current_time);
virtual double when_sec(double current_time, double pause_time);
};