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8145092: Use Unified Logging for the GC logging

Browse source 
JEP-271. VM changes contributed by brutisso, test changes contributed by david.

Co-authored-by: David Lindholm <david.lindholm@oralce.com>
Reviewed-by: sjohanss, david, brutisso
This commit is contained in:
Bengt Rutisson 2015-12-10 14:57:55 +01:00
parent 581eb19018
commit ffeb0bdad0
200 changed files with 3331 additions and 6147 deletions
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323
hotspot/src/share/vm/gc/g1/g1CollectorPolicy.cpp
View file

@ -29,9 +29,7 @@
#include "gc/g1/g1CollectedHeap.inline.hpp"
#include "gc/g1/g1CollectorPolicy.hpp"
#include "gc/g1/g1IHOPControl.hpp"
#include "gc/g1/g1ErgoVerbose.hpp"
#include "gc/g1/g1GCPhaseTimes.hpp"
#include "gc/g1/g1Log.hpp"
#include "gc/g1/heapRegion.inline.hpp"
#include "gc/g1/heapRegionRemSet.hpp"
#include "gc/shared/gcPolicyCounters.hpp"
@ -121,6 +119,8 @@ G1CollectorPolicy::G1CollectorPolicy() :
_eden_used_bytes_before_gc(0),
_survivor_used_bytes_before_gc(0),
_old_used_bytes_before_gc(0),
_humongous_used_bytes_before_gc(0),
_heap_used_bytes_before_gc(0),
_metaspace_used_bytes_before_gc(0),
_eden_capacity_bytes_before_gc(0),
@ -177,18 +177,6 @@ G1CollectorPolicy::G1CollectorPolicy() :
HeapRegion::setup_heap_region_size(InitialHeapSize, MaxHeapSize);
HeapRegionRemSet::setup_remset_size();
G1ErgoVerbose::initialize();
if (PrintAdaptiveSizePolicy) {
// Currently, we only use a single switch for all the heuristics.
G1ErgoVerbose::set_enabled(true);
// Given that we don't currently have a verboseness level
// parameter, we'll hardcode this to high. This can be easily
// changed in the future.
G1ErgoVerbose::set_level(ErgoHigh);
} else {
G1ErgoVerbose::set_enabled(false);
}
_recent_prev_end_times_for_all_gcs_sec->add(os::elapsedTime());
_prev_collection_pause_end_ms = os::elapsedTime() * 1000.0;
clear_ratio_check_data();
@ -791,7 +779,7 @@ G1CollectorPolicy::verify_young_ages(HeapRegion* head,
curr = curr->get_next_young_region()) {
SurvRateGroup* group = curr->surv_rate_group();
if (group == NULL && !curr->is_survivor()) {
gclog_or_tty->print_cr("## %s: encountered NULL surv_rate_group", name);
log_info(gc, verify)("## %s: encountered NULL surv_rate_group", name);
ret = false;
}
@ -799,13 +787,12 @@ G1CollectorPolicy::verify_young_ages(HeapRegion* head,
int age = curr->age_in_surv_rate_group();
if (age < 0) {
gclog_or_tty->print_cr("## %s: encountered negative age", name);
log_info(gc, verify)("## %s: encountered negative age", name);
ret = false;
}
if (age <= prev_age) {
gclog_or_tty->print_cr("## %s: region ages are not strictly increasing "
"(%d, %d)", name, age, prev_age);
log_info(gc, verify)("## %s: region ages are not strictly increasing (%d, %d)", name, age, prev_age);
ret = false;
}
prev_age = age;
@ -982,38 +969,15 @@ bool G1CollectorPolicy::need_to_start_conc_mark(const char* source, size_t alloc
size_t alloc_byte_size = alloc_word_size * HeapWordSize;
size_t marking_request_bytes = cur_used_bytes + alloc_byte_size;
bool result = false;
if (marking_request_bytes > marking_initiating_used_threshold) {
if (collector_state()->gcs_are_young() && !collector_state()->last_young_gc()) {
ergo_verbose5(ErgoConcCycles,
"request concurrent cycle initiation",
ergo_format_reason("occupancy higher than threshold")
ergo_format_byte("occupancy")
ergo_format_byte("allocation request")
ergo_format_byte_perc("threshold")
ergo_format_str("source"),
cur_used_bytes,
alloc_byte_size,
marking_initiating_used_threshold,
(double) marking_initiating_used_threshold / _g1->capacity() * 100,
source);
return true;
} else {
ergo_verbose5(ErgoConcCycles,
"do not request concurrent cycle initiation",
ergo_format_reason("still doing mixed collections")
ergo_format_byte("occupancy")
ergo_format_byte("allocation request")
ergo_format_byte_perc("threshold")
ergo_format_str("source"),
cur_used_bytes,
alloc_byte_size,
marking_initiating_used_threshold,
(double) InitiatingHeapOccupancyPercent,
source);
}
result = collector_state()->gcs_are_young() && !collector_state()->last_young_gc();
log_debug(gc, ergo, ihop)("%s occupancy: " SIZE_FORMAT "B allocation request: " SIZE_FORMAT "B threshold: " SIZE_FORMAT "B (%1.2f) source: %s",
result ? "Request concurrent cycle initiation (occupancy higher than threshold)" : "Do not request concurrent cycle initiation (still doing mixed collections)",
cur_used_bytes, alloc_byte_size, marking_initiating_used_threshold, (double) marking_initiating_used_threshold / _g1->capacity() * 100, source);
}
return false;
return result;
}
// Anything below that is considered to be zero
@ -1027,13 +991,7 @@ void G1CollectorPolicy::record_collection_pause_end(double pause_time_ms, size_t
bool last_pause_included_initial_mark = false;
bool update_stats = !_g1->evacuation_failed();
#ifndef PRODUCT
if (G1YoungSurvRateVerbose) {
gclog_or_tty->cr();
_short_lived_surv_rate_group->print();
// do that for any other surv rate groups too
}
#endif // PRODUCT
NOT_PRODUCT(_short_lived_surv_rate_group->print());
record_pause(young_gc_pause_kind(), end_time_sec - pause_time_ms / 1000.0, end_time_sec);
@ -1228,13 +1186,9 @@ void G1CollectorPolicy::record_collection_pause_end(double pause_time_ms, size_t
double scan_hcc_time_ms = average_time_ms(G1GCPhaseTimes::ScanHCC);
if (update_rs_time_goal_ms < scan_hcc_time_ms) {
ergo_verbose2(ErgoTiming,
"adjust concurrent refinement thresholds",
ergo_format_reason("Scanning the HCC expected to take longer than Update RS time goal")
ergo_format_ms("Update RS time goal")
ergo_format_ms("Scan HCC time"),
update_rs_time_goal_ms,
scan_hcc_time_ms);
log_debug(gc, ergo, refine)("Adjust concurrent refinement thresholds (scanning the HCC expected to take longer than Update RS time goal)."
"Update RS time goal: %1.2fms Scan HCC time: %1.2fms",
update_rs_time_goal_ms, scan_hcc_time_ms);
update_rs_time_goal_ms = 0;
} else {
@ -1312,65 +1266,37 @@ void G1CollectorPolicy::record_heap_size_info_at_start(bool full) {
_eden_used_bytes_before_gc = young_list->eden_used_bytes();
_survivor_used_bytes_before_gc = young_list->survivor_used_bytes();
_heap_capacity_bytes_before_gc = _g1->capacity();
_old_used_bytes_before_gc = _g1->old_regions_count() * HeapRegion::GrainBytes;
_humongous_used_bytes_before_gc = _g1->humongous_regions_count() * HeapRegion::GrainBytes;
_heap_used_bytes_before_gc = _g1->used();
_eden_capacity_bytes_before_gc =
(_young_list_target_length * HeapRegion::GrainBytes) - _survivor_used_bytes_before_gc;
if (full) {
_metaspace_used_bytes_before_gc = MetaspaceAux::used_bytes();
}
_eden_capacity_bytes_before_gc = (_young_list_target_length * HeapRegion::GrainBytes) - _survivor_used_bytes_before_gc;
_metaspace_used_bytes_before_gc = MetaspaceAux::used_bytes();
}
void G1CollectorPolicy::print_heap_transition(size_t bytes_before) const {
size_t bytes_after = _g1->used();
size_t capacity = _g1->capacity();
gclog_or_tty->print(" " SIZE_FORMAT "%s->" SIZE_FORMAT "%s(" SIZE_FORMAT "%s)",
byte_size_in_proper_unit(bytes_before),
proper_unit_for_byte_size(bytes_before),
byte_size_in_proper_unit(bytes_after),
proper_unit_for_byte_size(bytes_after),
byte_size_in_proper_unit(capacity),
proper_unit_for_byte_size(capacity));
}
void G1CollectorPolicy::print_heap_transition() const {
print_heap_transition(_heap_used_bytes_before_gc);
}
void G1CollectorPolicy::print_detailed_heap_transition(bool full) const {
void G1CollectorPolicy::print_detailed_heap_transition() const {
YoungList* young_list = _g1->young_list();
size_t eden_used_bytes_after_gc = young_list->eden_used_bytes();
size_t survivor_used_bytes_after_gc = young_list->survivor_used_bytes();
size_t heap_used_bytes_after_gc = _g1->used();
size_t old_used_bytes_after_gc = _g1->old_regions_count() * HeapRegion::GrainBytes;
size_t humongous_used_bytes_after_gc = _g1->humongous_regions_count() * HeapRegion::GrainBytes;
size_t heap_capacity_bytes_after_gc = _g1->capacity();
size_t eden_capacity_bytes_after_gc =
(_young_list_target_length * HeapRegion::GrainBytes) - survivor_used_bytes_after_gc;
size_t survivor_capacity_bytes_after_gc = _max_survivor_regions * HeapRegion::GrainBytes;
gclog_or_tty->print(
" [Eden: " EXT_SIZE_FORMAT "(" EXT_SIZE_FORMAT ")->" EXT_SIZE_FORMAT "(" EXT_SIZE_FORMAT ") "
"Survivors: " EXT_SIZE_FORMAT "->" EXT_SIZE_FORMAT " "
"Heap: " EXT_SIZE_FORMAT "(" EXT_SIZE_FORMAT ")->"
EXT_SIZE_FORMAT "(" EXT_SIZE_FORMAT ")]",
EXT_SIZE_PARAMS(_eden_used_bytes_before_gc),
EXT_SIZE_PARAMS(_eden_capacity_bytes_before_gc),
EXT_SIZE_PARAMS(eden_used_bytes_after_gc),
EXT_SIZE_PARAMS(eden_capacity_bytes_after_gc),
EXT_SIZE_PARAMS(_survivor_used_bytes_before_gc),
EXT_SIZE_PARAMS(survivor_used_bytes_after_gc),
EXT_SIZE_PARAMS(_heap_used_bytes_before_gc),
EXT_SIZE_PARAMS(_heap_capacity_bytes_before_gc),
EXT_SIZE_PARAMS(heap_used_bytes_after_gc),
EXT_SIZE_PARAMS(heap_capacity_bytes_after_gc));
log_info(gc, heap)("Eden: " SIZE_FORMAT "K->" SIZE_FORMAT "K(" SIZE_FORMAT "K)",
_eden_used_bytes_before_gc / K, eden_used_bytes_after_gc /K, eden_capacity_bytes_after_gc /K);
log_info(gc, heap)("Survivor: " SIZE_FORMAT "K->" SIZE_FORMAT "K(" SIZE_FORMAT "K)",
_survivor_used_bytes_before_gc / K, survivor_used_bytes_after_gc /K, survivor_capacity_bytes_after_gc /K);
log_info(gc, heap)("Old: " SIZE_FORMAT "K->" SIZE_FORMAT "K",
_old_used_bytes_before_gc / K, old_used_bytes_after_gc /K);
log_info(gc, heap)("Humongous: " SIZE_FORMAT "K->" SIZE_FORMAT "K",
_humongous_used_bytes_before_gc / K, humongous_used_bytes_after_gc /K);
if (full) {
MetaspaceAux::print_metaspace_change(_metaspace_used_bytes_before_gc);
}
gclog_or_tty->cr();
MetaspaceAux::print_metaspace_change(_metaspace_used_bytes_before_gc);
}
void G1CollectorPolicy::print_phases(double pause_time_sec) {
@ -1690,17 +1616,9 @@ size_t G1CollectorPolicy::expansion_amount() {
}
}
ergo_verbose5(ErgoHeapSizing,
"attempt heap expansion",
ergo_format_reason("recent GC overhead higher than "
"threshold after GC")
ergo_format_perc("recent GC overhead")
ergo_format_perc("current threshold")
ergo_format_byte("uncommitted")
ergo_format_byte_perc("base expansion amount and scale"),
recent_gc_overhead, threshold,
uncommitted_bytes,
expand_bytes, scale_factor * 100);
log_debug(gc, ergo, heap)("Attempt heap expansion (recent GC overhead higher than threshold after GC) "
"recent GC overhead: %1.2f %% threshold: %1.2f %% uncommitted: " SIZE_FORMAT "B base expansion amount and scale: " SIZE_FORMAT "B (%1.2f%%)",
recent_gc_overhead, threshold, uncommitted_bytes, expand_bytes, scale_factor * 100);
expand_bytes = static_cast<size_t>(expand_bytes * scale_factor);
@ -1783,19 +1701,11 @@ bool G1CollectorPolicy::force_initial_mark_if_outside_cycle(GCCause::Cause gc_ca
// even while we are still in the process of reclaiming memory.
bool during_cycle = _g1->concurrent_mark()->cmThread()->during_cycle();
if (!during_cycle) {
ergo_verbose1(ErgoConcCycles,
"request concurrent cycle initiation",
ergo_format_reason("requested by GC cause")
ergo_format_str("GC cause"),
GCCause::to_string(gc_cause));
log_debug(gc, ergo)("Request concurrent cycle initiation (requested by GC cause). GC cause: %s", GCCause::to_string(gc_cause));
collector_state()->set_initiate_conc_mark_if_possible(true);
return true;
} else {
ergo_verbose1(ErgoConcCycles,
"do not request concurrent cycle initiation",
ergo_format_reason("concurrent cycle already in progress")
ergo_format_str("GC cause"),
GCCause::to_string(gc_cause));
log_debug(gc, ergo)("Do not request concurrent cycle initiation (concurrent cycle already in progress). GC cause: %s", GCCause::to_string(gc_cause));
return false;
}
}
@ -1823,9 +1733,7 @@ void G1CollectorPolicy::decide_on_conc_mark_initiation() {
if (!about_to_start_mixed_phase() && collector_state()->gcs_are_young()) {
// Initiate a new initial mark if there is no marking or reclamation going on.
initiate_conc_mark();
ergo_verbose0(ErgoConcCycles,
"initiate concurrent cycle",
ergo_format_reason("concurrent cycle initiation requested"));
log_debug(gc, ergo)("Initiate concurrent cycle (concurrent cycle initiation requested)");
} else if (_g1->is_user_requested_concurrent_full_gc(_g1->gc_cause())) {
// Initiate a user requested initial mark. An initial mark must be young only
// GC, so the collector state must be updated to reflect this.
@ -1834,9 +1742,7 @@ void G1CollectorPolicy::decide_on_conc_mark_initiation() {
abort_time_to_mixed_tracking();
initiate_conc_mark();
ergo_verbose0(ErgoConcCycles,
"initiate concurrent cycle",
ergo_format_reason("user requested concurrent cycle"));
log_debug(gc, ergo)("Initiate concurrent cycle (user requested concurrent cycle)");
} else {
// The concurrent marking thread is still finishing up the
// previous cycle. If we start one right now the two cycles
@ -1850,9 +1756,7 @@ void G1CollectorPolicy::decide_on_conc_mark_initiation() {
// and, if it's in a yield point, it's waiting for us to
// finish. So, at this point we will not start a cycle and we'll
// let the concurrent marking thread complete the last one.
ergo_verbose0(ErgoConcCycles,
"do not initiate concurrent cycle",
ergo_format_reason("concurrent cycle already in progress"));
log_debug(gc, ergo)("Do not initiate concurrent cycle (concurrent cycle already in progress)");
}
}
}
@ -2197,9 +2101,7 @@ void G1CollectorPolicy::abort_time_to_mixed_tracking() {
bool G1CollectorPolicy::next_gc_should_be_mixed(const char* true_action_str,
const char* false_action_str) const {
if (cset_chooser()->is_empty()) {
ergo_verbose0(ErgoMixedGCs,
false_action_str,
ergo_format_reason("candidate old regions not available"));
log_debug(gc, ergo)("%s (candidate old regions not available)", false_action_str);
return false;
}
@ -2208,27 +2110,12 @@ bool G1CollectorPolicy::next_gc_should_be_mixed(const char* true_action_str,
double reclaimable_perc = reclaimable_bytes_perc(reclaimable_bytes);
double threshold = (double) G1HeapWastePercent;
if (reclaimable_perc <= threshold) {
ergo_verbose4(ErgoMixedGCs,
false_action_str,
ergo_format_reason("reclaimable percentage not over threshold")
ergo_format_region("candidate old regions")
ergo_format_byte_perc("reclaimable")
ergo_format_perc("threshold"),
cset_chooser()->remaining_regions(),
reclaimable_bytes,
reclaimable_perc, threshold);
log_debug(gc, ergo)("%s (reclaimable percentage not over threshold). candidate old regions: %u reclaimable: " SIZE_FORMAT " (%1.2f) threshold: " UINTX_FORMAT,
false_action_str, cset_chooser()->remaining_regions(), reclaimable_bytes, reclaimable_perc, G1HeapWastePercent);
return false;
}
ergo_verbose4(ErgoMixedGCs,
true_action_str,
ergo_format_reason("candidate old regions available")
ergo_format_region("candidate old regions")
ergo_format_byte_perc("reclaimable")
ergo_format_perc("threshold"),
cset_chooser()->remaining_regions(),
reclaimable_bytes,
reclaimable_perc, threshold);
log_debug(gc, ergo)("%s (candidate old regions available). candidate old regions: %u reclaimable: " SIZE_FORMAT " (%1.2f) threshold: " UINTX_FORMAT,
true_action_str, cset_chooser()->remaining_regions(), reclaimable_bytes, reclaimable_perc, G1HeapWastePercent);
return true;
}
@ -2284,13 +2171,8 @@ double G1CollectorPolicy::finalize_young_cset_part(double target_pause_time_ms)
double base_time_ms = predict_base_elapsed_time_ms(_pending_cards);
double time_remaining_ms = MAX2(target_pause_time_ms - base_time_ms, 0.0);
ergo_verbose4(ErgoCSetConstruction | ErgoHigh,
"start choosing CSet",
ergo_format_size("_pending_cards")
ergo_format_ms("predicted base time")
ergo_format_ms("remaining time")
ergo_format_ms("target pause time"),
_pending_cards, base_time_ms, time_remaining_ms, target_pause_time_ms);
log_trace(gc, ergo, cset)("Start choosing CSet. pending cards: " SIZE_FORMAT " predicted base time: %1.2fms remaining time: %1.2fms target pause time: %1.2fms",
_pending_cards, base_time_ms, time_remaining_ms, target_pause_time_ms);
collector_state()->set_last_gc_was_young(collector_state()->gcs_are_young());
@ -2326,15 +2208,8 @@ double G1CollectorPolicy::finalize_young_cset_part(double target_pause_time_ms)
_collection_set_bytes_used_before = _inc_cset_bytes_used_before;
time_remaining_ms = MAX2(time_remaining_ms - _inc_cset_predicted_elapsed_time_ms, 0.0);
ergo_verbose4(ErgoCSetConstruction | ErgoHigh,
"add young regions to CSet",
ergo_format_region("eden")
ergo_format_region("survivors")
ergo_format_ms("predicted young region time")
ergo_format_ms("target pause time"),
eden_region_length, survivor_region_length,
_inc_cset_predicted_elapsed_time_ms,
target_pause_time_ms);
log_trace(gc, ergo, cset)("Add young regions to CSet. eden: %u regions, survivors: %u regions, predicted young region time: %1.2fms, target pause time: %1.2fms",
eden_region_length, survivor_region_length, _inc_cset_predicted_elapsed_time_ms, target_pause_time_ms);
// The number of recorded young regions is the incremental
// collection set's current size
@ -2363,12 +2238,8 @@ void G1CollectorPolicy::finalize_old_cset_part(double time_remaining_ms) {
while (hr != NULL) {
if (old_cset_region_length() >= max_old_cset_length) {
// Added maximum number of old regions to the CSet.
ergo_verbose2(ErgoCSetConstruction,
"finish adding old regions to CSet",
ergo_format_reason("old CSet region num reached max")
ergo_format_region("old")
ergo_format_region("max"),
old_cset_region_length(), max_old_cset_length);
log_debug(gc, ergo, cset)("Finish adding old regions to CSet (old CSet region num reached max). old %u regions, max %u regions",
old_cset_region_length(), max_old_cset_length);
break;
}
@ -2382,17 +2253,9 @@ void G1CollectorPolicy::finalize_old_cset_part(double time_remaining_ms) {
// We've added enough old regions that the amount of uncollected
// reclaimable space is at or below the waste threshold. Stop
// adding old regions to the CSet.
ergo_verbose5(ErgoCSetConstruction,
"finish adding old regions to CSet",
ergo_format_reason("reclaimable percentage not over threshold")
ergo_format_region("old")
ergo_format_region("max")
ergo_format_byte_perc("reclaimable")
ergo_format_perc("threshold"),
old_cset_region_length(),
max_old_cset_length,
reclaimable_bytes,
reclaimable_perc, threshold);
log_debug(gc, ergo, cset)("Finish adding old regions to CSet (reclaimable percentage not over threshold). "
"old %u regions, max %u regions, reclaimable: " SIZE_FORMAT "B (%1.2f%%) threshold: " UINTX_FORMAT "%%",
old_cset_region_length(), max_old_cset_length, reclaimable_bytes, reclaimable_perc, G1HeapWastePercent);
break;
}
@ -2404,15 +2267,9 @@ void G1CollectorPolicy::finalize_old_cset_part(double time_remaining_ms) {
if (old_cset_region_length() >= min_old_cset_length) {
// We have added the minimum number of old regions to the CSet,
// we are done with this CSet.
ergo_verbose4(ErgoCSetConstruction,
"finish adding old regions to CSet",
ergo_format_reason("predicted time is too high")
ergo_format_ms("predicted time")
ergo_format_ms("remaining time")
ergo_format_region("old")
ergo_format_region("min"),
predicted_time_ms, time_remaining_ms,
old_cset_region_length(), min_old_cset_length);
log_debug(gc, ergo, cset)("Finish adding old regions to CSet (predicted time is too high). "
"predicted time: %1.2fms, remaining time: %1.2fms old %u regions, min %u regions",
predicted_time_ms, time_remaining_ms, old_cset_region_length(), min_old_cset_length);
break;
}
@ -2424,12 +2281,9 @@ void G1CollectorPolicy::finalize_old_cset_part(double time_remaining_ms) {
if (old_cset_region_length() >= min_old_cset_length) {
// In the non-auto-tuning case, we'll finish adding regions
// to the CSet if we reach the minimum.
ergo_verbose2(ErgoCSetConstruction,
"finish adding old regions to CSet",
ergo_format_reason("old CSet region num reached min")
ergo_format_region("old")
ergo_format_region("min"),
old_cset_region_length(), min_old_cset_length);
log_debug(gc, ergo, cset)("Finish adding old regions to CSet (old CSet region num reached min). old %u regions, min %u regions",
old_cset_region_length(), min_old_cset_length);
break;
}
}
@ -2444,26 +2298,16 @@ void G1CollectorPolicy::finalize_old_cset_part(double time_remaining_ms) {
hr = cset_chooser()->peek();
}
if (hr == NULL) {
ergo_verbose0(ErgoCSetConstruction,
"finish adding old regions to CSet",
ergo_format_reason("candidate old regions not available"));
log_debug(gc, ergo, cset)("Finish adding old regions to CSet (candidate old regions not available)");
}
if (expensive_region_num > 0) {
// We print the information once here at the end, predicated on
// whether we added any apparently expensive regions or not, to
// avoid generating output per region.
ergo_verbose4(ErgoCSetConstruction,
"added expensive regions to CSet",
ergo_format_reason("old CSet region num not reached min")
ergo_format_region("old")
ergo_format_region("expensive")
ergo_format_region("min")
ergo_format_ms("remaining time"),
old_cset_region_length(),
expensive_region_num,
min_old_cset_length,
time_remaining_ms);
log_debug(gc, ergo, cset)("Added expensive regions to CSet (old CSet region num not reached min)."
"old %u regions, expensive: %u regions, min %u regions, remaining time: %1.2fms",
old_cset_region_length(), expensive_region_num, min_old_cset_length, time_remaining_ms);
}
cset_chooser()->verify();
@ -2471,13 +2315,8 @@ void G1CollectorPolicy::finalize_old_cset_part(double time_remaining_ms) {
stop_incremental_cset_building();
ergo_verbose3(ErgoCSetConstruction,
"finish choosing CSet",
ergo_format_region("old")
ergo_format_ms("predicted old region time")
ergo_format_ms("time remaining"),
old_cset_region_length(),
predicted_old_time_ms, time_remaining_ms);
log_debug(gc, ergo, cset)("Finish choosing CSet. old %u regions, predicted old region time: %1.2fms, time remaining: %1.2f",
old_cset_region_length(), predicted_old_time_ms, time_remaining_ms);
double non_young_end_time_sec = os::elapsedTime();
phase_times()->record_non_young_cset_choice_time_ms((non_young_end_time_sec - non_young_start_time_sec) * 1000.0);
@ -2536,14 +2375,14 @@ void TraceYoungGenTimeData::increment_mixed_collection_count() {
void TraceYoungGenTimeData::print_summary(const char* str,
const NumberSeq* seq) const {
double sum = seq->sum();
gclog_or_tty->print_cr("%-27s = %8.2lf s (avg = %8.2lf ms)",
tty->print_cr("%-27s = %8.2lf s (avg = %8.2lf ms)",
str, sum / 1000.0, seq->avg());
}
void TraceYoungGenTimeData::print_summary_sd(const char* str,
const NumberSeq* seq) const {
print_summary(str, seq);
gclog_or_tty->print_cr("%45s = %5d, std dev = %8.2lf ms, max = %8.2lf ms)",
tty->print_cr("%45s = %5d, std dev = %8.2lf ms, max = %8.2lf ms)",
"(num", seq->num(), seq->sd(), seq->maximum());
}
@ -2552,18 +2391,18 @@ void TraceYoungGenTimeData::print() const {
return;
}
gclog_or_tty->print_cr("ALL PAUSES");
tty->print_cr("ALL PAUSES");
print_summary_sd(" Total", &_total);
gclog_or_tty->cr();
gclog_or_tty->cr();
gclog_or_tty->print_cr(" Young GC Pauses: %8d", _young_pause_num);
gclog_or_tty->print_cr(" Mixed GC Pauses: %8d", _mixed_pause_num);
gclog_or_tty->cr();
tty->cr();
tty->cr();
tty->print_cr(" Young GC Pauses: %8d", _young_pause_num);
tty->print_cr(" Mixed GC Pauses: %8d", _mixed_pause_num);
tty->cr();
gclog_or_tty->print_cr("EVACUATION PAUSES");
tty->print_cr("EVACUATION PAUSES");
if (_young_pause_num == 0 && _mixed_pause_num == 0) {
gclog_or_tty->print_cr("none");
tty->print_cr("none");
} else {
print_summary_sd(" Evacuation Pauses", &_total);
print_summary(" Root Region Scan Wait", &_root_region_scan_wait);
@ -2578,9 +2417,9 @@ void TraceYoungGenTimeData::print() const {
print_summary(" Clear CT", &_clear_ct);
print_summary(" Other", &_other);
}
gclog_or_tty->cr();
tty->cr();
gclog_or_tty->print_cr("MISC");
tty->print_cr("MISC");
print_summary_sd(" Stop World", &_all_stop_world_times_ms);
print_summary_sd(" Yields", &_all_yield_times_ms);
}
@ -2597,11 +2436,11 @@ void TraceOldGenTimeData::print() const {
}
if (_all_full_gc_times.num() > 0) {
gclog_or_tty->print("\n%4d full_gcs: total time = %8.2f s",
tty->print("\n%4d full_gcs: total time = %8.2f s",
_all_full_gc_times.num(),
_all_full_gc_times.sum() / 1000.0);
gclog_or_tty->print_cr(" (avg = %8.2fms).", _all_full_gc_times.avg());
gclog_or_tty->print_cr(" [std. dev = %8.2f ms, max = %8.2f ms]",
tty->print_cr(" (avg = %8.2fms).", _all_full_gc_times.avg());
tty->print_cr(" [std. dev = %8.2f ms, max = %8.2f ms]",
_all_full_gc_times.sd(),
_all_full_gc_times.maximum());
}