rocksdb/monitoring/iostats_context.cc
Siying Dong d2dce5611a Move some files under util/ to separate dirs
Summary:
Move some files under util/ to new directories env/, monitoring/ options/ and cache/
Closes https://github.com/facebook/rocksdb/pull/2090

Differential Revision: D4833681

Pulled By: siying

fbshipit-source-id: 2fd8bef
2017-04-05 19:09:16 -07:00

57 lines
1.6 KiB
C++

// Copyright (c) 2011-present, 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 "monitoring/iostats_context_imp.h"
#include "rocksdb/env.h"
namespace rocksdb {
#ifndef IOS_CROSS_COMPILE
# ifdef _MSC_VER
__declspec(thread) IOStatsContext iostats_context;
# else
__thread IOStatsContext iostats_context;
# endif
#endif // IOS_CROSS_COMPILE
void IOStatsContext::Reset() {
thread_pool_id = Env::Priority::TOTAL;
bytes_read = 0;
bytes_written = 0;
open_nanos = 0;
allocate_nanos = 0;
write_nanos = 0;
read_nanos = 0;
range_sync_nanos = 0;
prepare_write_nanos = 0;
fsync_nanos = 0;
logger_nanos = 0;
}
#define IOSTATS_CONTEXT_OUTPUT(counter) \
if (!exclude_zero_counters || counter > 0) { \
ss << #counter << " = " << counter << ", "; \
}
std::string IOStatsContext::ToString(bool exclude_zero_counters) const {
std::ostringstream ss;
IOSTATS_CONTEXT_OUTPUT(thread_pool_id);
IOSTATS_CONTEXT_OUTPUT(bytes_read);
IOSTATS_CONTEXT_OUTPUT(bytes_written);
IOSTATS_CONTEXT_OUTPUT(open_nanos);
IOSTATS_CONTEXT_OUTPUT(allocate_nanos);
IOSTATS_CONTEXT_OUTPUT(write_nanos);
IOSTATS_CONTEXT_OUTPUT(read_nanos);
IOSTATS_CONTEXT_OUTPUT(range_sync_nanos);
IOSTATS_CONTEXT_OUTPUT(fsync_nanos);
IOSTATS_CONTEXT_OUTPUT(prepare_write_nanos);
IOSTATS_CONTEXT_OUTPUT(logger_nanos);
return ss.str();
}
} // namespace rocksdb