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8194994: Remove redundant string streams used for logging

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Reviewed-by: rehn, iklam, coleenp
This commit is contained in:
Marcus Larsson 2018-02-13 14:10:56 +01:00
parent 0fb7dffb83
commit 6ef9800875
3 changed files with 24 additions and 34 deletions
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30
src/hotspot/share/classfile/compactHashtable.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 1997, 2017, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1997, 2018, 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
@ -146,27 +146,23 @@ void CompactHashtableWriter::dump(SimpleCompactHashtable *cht, const char* table
cht->init(base_address, _num_entries, _num_buckets,
_compact_buckets->data(), _compact_entries->data());
if (log_is_enabled(Info, cds, hashtables)) {
ResourceMark rm;
LogMessage(cds, hashtables) msg;
stringStream info_stream;
LogMessage(cds, hashtables) msg;
if (msg.is_info()) {
double avg_cost = 0.0;
if (_num_entries > 0) {
avg_cost = double(table_bytes)/double(_num_entries);
}
info_stream.print_cr("Shared %s table stats -------- base: " PTR_FORMAT,
msg.info("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());
msg.info("Number of entries : %9d", _num_entries);
msg.info("Total bytes used : %9d", table_bytes);
msg.info("Average bytes per entry : %9.3f", avg_cost);
msg.info("Average bucket size : %9.3f", summary.avg());
msg.info("Variance of bucket size : %9.3f", summary.variance());
msg.info("Std. dev. of bucket size: %9.3f", summary.sd());
msg.info("Empty buckets : %9d", _num_empty_buckets);
msg.info("Value_Only buckets : %9d", _num_value_only_buckets);
msg.info("Other buckets : %9d", _num_other_buckets);
}
}