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8372348: Adjust some UL / JFR string deduplication output messages

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Reviewed-by: fandreuzzi, lucy, asteiner
This commit is contained in:
Matthias Baesken 2025-12-18 09:14:37 +00:00
parent a31e6e0d3b
commit 3f20eb9435
2 changed files with 15 additions and 11 deletions
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22
src/hotspot/share/gc/shared/stringdedup/stringDedupStat.cpp
View File

@ -94,13 +94,17 @@ static double strdedup_elapsed_param_ms(Tickspan t) {
void StringDedup::Stat::log_summary(const Stat* last_stat, const Stat* total_stat) {
log_info(stringdedup)(
"Concurrent String Deduplication "
"%zu/" STRDEDUP_BYTES_FORMAT_NS " (new), "
"%zu (inspected), "
"%zu/" STRDEDUP_BYTES_FORMAT_NS " (new unknown), "
"%zu/" STRDEDUP_BYTES_FORMAT_NS " (deduped), "
"avg " STRDEDUP_PERCENT_FORMAT_NS ", "
"total avg deduped/new unknown bytes " STRDEDUP_PERCENT_FORMAT_NS ", "
STRDEDUP_BYTES_FORMAT_NS " (total deduped)," STRDEDUP_BYTES_FORMAT_NS " (total new unknown), "
STRDEDUP_ELAPSED_FORMAT_MS " of " STRDEDUP_ELAPSED_FORMAT_MS,
last_stat->_inspected,
last_stat->_new, STRDEDUP_BYTES_PARAM(last_stat->_new_bytes),
last_stat->_deduped, STRDEDUP_BYTES_PARAM(last_stat->_deduped_bytes),
percent_of(total_stat->_deduped_bytes, total_stat->_new_bytes),
STRDEDUP_BYTES_PARAM(total_stat->_deduped_bytes), STRDEDUP_BYTES_PARAM(total_stat->_new_bytes),
strdedup_elapsed_param_ms(last_stat->_process_elapsed),
strdedup_elapsed_param_ms(last_stat->_active_elapsed));
}
@ -210,14 +214,14 @@ void StringDedup::Stat::log_statistics() const {
double deduped_bytes_percent = percent_of(_deduped_bytes, _new_bytes);
double replaced_percent = percent_of(_replaced, _new);
double deleted_percent = percent_of(_deleted, _new);
log_debug(stringdedup)(" Inspected: %12zu", _inspected);
log_debug(stringdedup)(" Known: %12zu(%5.1f%%)", _known, known_percent);
log_debug(stringdedup)(" Shared: %12zu(%5.1f%%)", _known_shared, known_shared_percent);
log_debug(stringdedup)(" New: %12zu(%5.1f%%)" STRDEDUP_BYTES_FORMAT,
log_debug(stringdedup)(" Inspected: %12zu", _inspected);
log_debug(stringdedup)(" Known: %12zu(%5.1f%%)", _known, known_percent);
log_debug(stringdedup)(" Shared: %12zu(%5.1f%%)", _known_shared, known_shared_percent);
log_debug(stringdedup)(" New unknown: %12zu(%5.1f%%)" STRDEDUP_BYTES_FORMAT,
_new, new_percent, STRDEDUP_BYTES_PARAM(_new_bytes));
log_debug(stringdedup)(" Replaced: %12zu(%5.1f%%)", _replaced, replaced_percent);
log_debug(stringdedup)(" Deleted: %12zu(%5.1f%%)", _deleted, deleted_percent);
log_debug(stringdedup)(" Deduplicated: %12zu(%5.1f%%)" STRDEDUP_BYTES_FORMAT "(%5.1f%%)",
log_debug(stringdedup)(" Replaced: %12zu(%5.1f%%)", _replaced, replaced_percent);
log_debug(stringdedup)(" Deleted: %12zu(%5.1f%%)", _deleted, deleted_percent);
log_debug(stringdedup)(" Deduplicated: %12zu(%5.1f%%)" STRDEDUP_BYTES_FORMAT "(%5.1f%%)",
_deduped, deduped_percent, STRDEDUP_BYTES_PARAM(_deduped_bytes), deduped_bytes_percent);
log_debug(stringdedup)(" Skipped: %zu (dead), %zu (incomplete), %zu (shared)",
_skipped_dead, _skipped_incomplete, _skipped_shared);

4
src/hotspot/share/jfr/metadata/metadata.xml
View File

@ -1289,8 +1289,8 @@
<Field type="ulong" name="inspected" label="Inspected" />
<Field type="ulong" name="known" label="Known" />
<Field type="ulong" name="shared" label="Shared" />
<Field type="ulong" name="newStrings" label="New Strings" />
<Field type="ulong" name="newSize" contentType="bytes" label="New Size" />
<Field type="ulong" name="newStrings" label="New Strings" description="New unknown strings" />
<Field type="ulong" name="newSize" contentType="bytes" label="New Size" description="Size of new unknown strings" />
<Field type="ulong" name="replaced" label="Replaced" />
<Field type="ulong" name="deleted" label="Deleted" />
<Field type="ulong" name="deduplicated" label="Deduplicated" />