04298f8c33
Summary: Add helper function to print perf context data in db_bench if enabled. I didn't find any code that actually exports perf context data. Not sure if I missed anything Test Plan: ran db_bench Reviewers: haobo, sdong, igor Reviewed By: igor CC: leveldb Differential Revision: https://reviews.facebook.net/D16575
75 lines
2.2 KiB
C++
75 lines
2.2 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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// by default, enable counts only
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PerfLevel perf_level = kEnableCount;
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void SetPerfLevel(PerfLevel level) { perf_level = level; }
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void PerfContext::Reset() {
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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_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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}
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#define OUTPUT(counter) #counter << " = " << counter << ", "
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std::string PerfContext::ToString() const {
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std::ostringstream ss;
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ss << OUTPUT(user_key_comparison_count)
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<< OUTPUT(block_cache_hit_count)
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<< OUTPUT(block_read_count)
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<< OUTPUT(block_read_byte)
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<< OUTPUT(block_read_time)
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<< OUTPUT(block_checksum_time)
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<< OUTPUT(block_decompress_time)
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<< OUTPUT(internal_key_skipped_count)
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<< OUTPUT(internal_delete_skipped_count)
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<< OUTPUT(write_wal_time)
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<< OUTPUT(get_snapshot_time)
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<< OUTPUT(get_from_memtable_time)
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<< OUTPUT(get_from_memtable_count)
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<< OUTPUT(get_post_process_time)
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<< OUTPUT(get_from_output_files_time)
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<< OUTPUT(seek_child_seek_time)
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<< OUTPUT(seek_child_seek_count)
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<< OUTPUT(seek_min_heap_time)
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<< OUTPUT(seek_internal_seek_time)
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<< OUTPUT(find_next_user_entry_time)
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<< OUTPUT(write_pre_and_post_process_time)
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<< OUTPUT(write_memtable_time);
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return ss.str();
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}
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__thread PerfContext perf_context;
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}
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