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6810861: G1: support -XX:+{PrintClassHistogram,HeapDump}{Before,After}FullGC

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Call {pre,post}_full_gc_dump() before and after a STW full gc of G1CollectedHeap. Also adjusted the prefix message, including the addition of missing whitespace.

Reviewed-by: brutisso, tonyp
This commit is contained in:
Y. Srinivas Ramakrishna 2011-08-22 12:30:06 -07:00
parent 6fdb1414fa
commit 3af2ea16d6
2 changed files with 6 additions and 4 deletions
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8
hotspot/src/share/vm/gc_interface/collectedHeap.cpp
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@ -404,13 +404,13 @@ void CollectedHeap::resize_all_tlabs() {
void CollectedHeap::pre_full_gc_dump() {
if (HeapDumpBeforeFullGC) {
TraceTime tt("Heap Dump: ", PrintGCDetails, false, gclog_or_tty);
TraceTime tt("Heap Dump (before full gc): ", PrintGCDetails, false, gclog_or_tty);
// We are doing a "major" collection and a heap dump before
// major collection has been requested.
HeapDumper::dump_heap();
}
if (PrintClassHistogramBeforeFullGC) {
TraceTime tt("Class Histogram: ", PrintGCDetails, true, gclog_or_tty);
TraceTime tt("Class Histogram (before full gc): ", PrintGCDetails, true, gclog_or_tty);
VM_GC_HeapInspection inspector(gclog_or_tty, false /* ! full gc */, false /* ! prologue */);
inspector.doit();
}
@ -418,11 +418,11 @@ void CollectedHeap::pre_full_gc_dump() {
void CollectedHeap::post_full_gc_dump() {
if (HeapDumpAfterFullGC) {
TraceTime tt("Heap Dump", PrintGCDetails, false, gclog_or_tty);
TraceTime tt("Heap Dump (after full gc): ", PrintGCDetails, false, gclog_or_tty);
HeapDumper::dump_heap();
}
if (PrintClassHistogramAfterFullGC) {
TraceTime tt("Class Histogram", PrintGCDetails, true, gclog_or_tty);
TraceTime tt("Class Histogram (after full gc): ", PrintGCDetails, true, gclog_or_tty);
VM_GC_HeapInspection inspector(gclog_or_tty, false /* ! full gc */, false /* ! prologue */);
inspector.doit();
}