rocksdb/util/perf_context.cc
Lei Jin 92c1eb0291 macros for perf_context
Summary: This will allow us to disable them completely for iOS or for better performance

Test Plan: will run make all check

Reviewers: igor, haobo, dhruba

Reviewed By: haobo

CC: leveldb

Differential Revision: https://reviews.facebook.net/D17511
2014-04-08 10:58:07 -07:00

87 lines
2.5 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 {
#if defined(NPERF_CONTEXT) || defined(IOS_CROSS_COMPILE)
PerfLevel perf_level = kEnableCount;
// This is a dummy variable since some place references it
PerfContext perf_context;
#else
__thread PerfLevel perf_level = kEnableCount;
__thread PerfContext perf_context;
#endif
void SetPerfLevel(PerfLevel level) {
perf_level = level;
}
void PerfContext::Reset() {
#if !defined(NPERF_CONTEXT) && !defined(IOS_CROSS_COMPILE)
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;
#endif
}
#define OUTPUT(counter) #counter << " = " << counter << ", "
std::string PerfContext::ToString() const {
#if defined(NPERF_CONTEXT) || defined(IOS_CROSS_COMPILE)
return "";
#else
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();
#endif
}
}