a6e38fd170
Summary: new_table_iterator_nanos is not cleaned in PerfContext::Reset() while new_table_block_iter_nanos is cleaned twice. Fix it. Also fix a comment. Test Plan: Build and db_bench with --perf_context to see the value shown. Reviewers: kradhakrishnan, anthony, yhchiang, igor Reviewed By: igor Subscribers: leveldb, dhruba Differential Revision: https://reviews.facebook.net/D41721
88 lines
3.0 KiB
C++
88 lines
3.0 KiB
C++
// Copyright (c) 2013, Facebook, Inc. All rights reserved.
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// This source code is licensed under the BSD-style license found in the
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// LICENSE file in the root directory of this source tree. An additional grant
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// of patent rights can be found in the PATENTS file in the same directory.
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//
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#include <sstream>
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#include "util/perf_context_imp.h"
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namespace rocksdb {
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#if defined(NPERF_CONTEXT) || defined(IOS_CROSS_COMPILE)
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// This is a dummy variable since some place references it
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PerfContext perf_context;
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#else
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__thread PerfContext perf_context;
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#endif
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void PerfContext::Reset() {
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#if !defined(NPERF_CONTEXT) && !defined(IOS_CROSS_COMPILE)
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user_key_comparison_count = 0;
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block_cache_hit_count = 0;
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block_read_count = 0;
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block_read_byte = 0;
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block_read_time = 0;
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block_checksum_time = 0;
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block_decompress_time = 0;
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internal_key_skipped_count = 0;
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internal_delete_skipped_count = 0;
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write_wal_time = 0;
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get_snapshot_time = 0;
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get_from_memtable_time = 0;
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get_from_memtable_count = 0;
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get_post_process_time = 0;
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get_from_output_files_time = 0;
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seek_on_memtable_time = 0;
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seek_on_memtable_count = 0;
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seek_child_seek_time = 0;
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seek_child_seek_count = 0;
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seek_min_heap_time = 0;
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seek_internal_seek_time = 0;
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find_next_user_entry_time = 0;
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write_pre_and_post_process_time = 0;
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write_memtable_time = 0;
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write_delay_time = 0;
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db_mutex_lock_nanos = 0;
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db_condition_wait_nanos = 0;
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merge_operator_time_nanos = 0;
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read_index_block_nanos = 0;
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read_filter_block_nanos = 0;
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new_table_block_iter_nanos = 0;
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new_table_iterator_nanos = 0;
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block_seek_nanos = 0;
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find_table_nanos = 0;
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#endif
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}
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#define OUTPUT(counter) #counter << " = " << counter << ", "
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std::string PerfContext::ToString() const {
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#if defined(NPERF_CONTEXT) || defined(IOS_CROSS_COMPILE)
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return "";
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#else
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std::ostringstream ss;
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ss << OUTPUT(user_key_comparison_count) << OUTPUT(block_cache_hit_count)
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<< OUTPUT(block_read_count) << OUTPUT(block_read_byte)
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<< OUTPUT(block_read_time) << OUTPUT(block_checksum_time)
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<< OUTPUT(block_decompress_time) << OUTPUT(internal_key_skipped_count)
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<< OUTPUT(internal_delete_skipped_count) << OUTPUT(write_wal_time)
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<< OUTPUT(get_snapshot_time) << OUTPUT(get_from_memtable_time)
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<< OUTPUT(get_from_memtable_count) << OUTPUT(get_post_process_time)
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<< OUTPUT(get_from_output_files_time) << OUTPUT(seek_on_memtable_time)
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<< OUTPUT(seek_on_memtable_count) << OUTPUT(seek_child_seek_time)
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<< OUTPUT(seek_child_seek_count) << OUTPUT(seek_min_heap_time)
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<< OUTPUT(seek_internal_seek_time) << OUTPUT(find_next_user_entry_time)
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<< OUTPUT(write_pre_and_post_process_time) << OUTPUT(write_memtable_time)
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<< OUTPUT(db_mutex_lock_nanos) << OUTPUT(db_condition_wait_nanos)
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<< OUTPUT(merge_operator_time_nanos) << OUTPUT(write_delay_time)
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<< OUTPUT(read_index_block_nanos) << OUTPUT(read_filter_block_nanos)
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<< OUTPUT(new_table_block_iter_nanos) << OUTPUT(new_table_iterator_nanos)
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<< OUTPUT(block_seek_nanos) << OUTPUT(find_table_nanos);
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return ss.str();
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#endif
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}
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}
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