rocksdb/util/perf_context.cc
Lei Jin 04298f8c33 output perf_context in db_bench readrandom
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
2014-03-05 10:32:54 -08:00

75 lines
2.2 KiB
C++

// Copyright (c) 2013, Facebook, Inc. All rights reserved.
// This source code is licensed under the BSD-style license found in the
// LICENSE file in the root directory of this source tree. An additional grant
// of patent rights can be found in the PATENTS file in the same directory.
//
#include <sstream>
#include "util/perf_context_imp.h"
namespace rocksdb {
// by default, enable counts only
PerfLevel perf_level = kEnableCount;
void SetPerfLevel(PerfLevel level) { perf_level = level; }
void PerfContext::Reset() {
user_key_comparison_count = 0;
block_cache_hit_count = 0;
block_read_count = 0;
block_read_byte = 0;
block_read_time = 0;
block_checksum_time = 0;
block_decompress_time = 0;
internal_key_skipped_count = 0;
internal_delete_skipped_count = 0;
write_wal_time = 0;
get_snapshot_time = 0;
get_from_memtable_time = 0;
get_from_memtable_count = 0;
get_post_process_time = 0;
get_from_output_files_time = 0;
seek_child_seek_time = 0;
seek_child_seek_count = 0;
seek_min_heap_time = 0;
seek_internal_seek_time = 0;
find_next_user_entry_time = 0;
write_pre_and_post_process_time = 0;
write_memtable_time = 0;
}
#define OUTPUT(counter) #counter << " = " << counter << ", "
std::string PerfContext::ToString() const {
std::ostringstream ss;
ss << OUTPUT(user_key_comparison_count)
<< OUTPUT(block_cache_hit_count)
<< OUTPUT(block_read_count)
<< OUTPUT(block_read_byte)
<< OUTPUT(block_read_time)
<< OUTPUT(block_checksum_time)
<< OUTPUT(block_decompress_time)
<< OUTPUT(internal_key_skipped_count)
<< OUTPUT(internal_delete_skipped_count)
<< OUTPUT(write_wal_time)
<< OUTPUT(get_snapshot_time)
<< OUTPUT(get_from_memtable_time)
<< OUTPUT(get_from_memtable_count)
<< OUTPUT(get_post_process_time)
<< OUTPUT(get_from_output_files_time)
<< OUTPUT(seek_child_seek_time)
<< OUTPUT(seek_child_seek_count)
<< OUTPUT(seek_min_heap_time)
<< OUTPUT(seek_internal_seek_time)
<< OUTPUT(find_next_user_entry_time)
<< OUTPUT(write_pre_and_post_process_time)
<< OUTPUT(write_memtable_time);
return ss.str();
}
__thread PerfContext perf_context;
}