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8176132: -XX:+PrintSharedSpaces should be converted to use Unified Logging

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Converted -XX:+PrintSharedSpaces to -Xlog:cds=info

Reviewed-by: iklam, jiangli, mseledtsov
This commit is contained in:
Rachel Protacio 2017-06-05 13:13:38 -04:00
parent 3312fc717b
commit 451b8b5d32
12 changed files with 87 additions and 75 deletions
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32
hotspot/src/share/vm/classfile/compactHashtable.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 1997, 2016, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1997, 2017, 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
@ -25,6 +25,7 @@
#include "precompiled.hpp"
#include "classfile/compactHashtable.inline.hpp"
#include "classfile/javaClasses.hpp"
#include "logging/logMessage.hpp"
#include "memory/metadataFactory.hpp"
#include "memory/metaspaceShared.hpp"
#include "prims/jvm.h"
@ -146,22 +147,27 @@ void CompactHashtableWriter::dump(SimpleCompactHashtable *cht, const char* table
cht->init(base_address, _num_entries, _num_buckets,
_compact_buckets->data(), _compact_entries->data());
if (PrintSharedSpaces) {
if (log_is_enabled(Info, cds, hashtables)) {
ResourceMark rm;
LogMessage(cds, hashtables) msg;
stringStream info_stream;
double avg_cost = 0.0;
if (_num_entries > 0) {
avg_cost = double(table_bytes)/double(_num_entries);
}
tty->print_cr("Shared %s table stats -------- base: " PTR_FORMAT,
table_name, (intptr_t)base_address);
tty->print_cr("Number of entries : %9d", _num_entries);
tty->print_cr("Total bytes used : %9d", table_bytes);
tty->print_cr("Average bytes per entry : %9.3f", avg_cost);
tty->print_cr("Average bucket size : %9.3f", summary.avg());
tty->print_cr("Variance of bucket size : %9.3f", summary.variance());
tty->print_cr("Std. dev. of bucket size: %9.3f", summary.sd());
tty->print_cr("Empty buckets : %9d", _num_empty_buckets);
tty->print_cr("Value_Only buckets : %9d", _num_value_only_buckets);
tty->print_cr("Other buckets : %9d", _num_other_buckets);
info_stream.print_cr("Shared %s table stats -------- base: " PTR_FORMAT,
table_name, (intptr_t)base_address);
info_stream.print_cr("Number of entries : %9d", _num_entries);
info_stream.print_cr("Total bytes used : %9d", table_bytes);
info_stream.print_cr("Average bytes per entry : %9.3f", avg_cost);
info_stream.print_cr("Average bucket size : %9.3f", summary.avg());
info_stream.print_cr("Variance of bucket size : %9.3f", summary.variance());
info_stream.print_cr("Std. dev. of bucket size: %9.3f", summary.sd());
info_stream.print_cr("Empty buckets : %9d", _num_empty_buckets);
info_stream.print_cr("Value_Only buckets : %9d", _num_value_only_buckets);
info_stream.print_cr("Other buckets : %9d", _num_other_buckets);
msg.info("%s", info_stream.as_string());
}
}