90a6aca48e
Summary: This diff allows the I/O stats about Flush and Compaction to be reported in a more accurate way. Instead of measuring the size of a file, it measure I/O cost in per read / write basis. Test Plan: make all check Reviewers: sdong, igor, ljin Reviewed By: ljin Subscribers: leveldb Differential Revision: https://reviews.facebook.net/D19383
31 lines
818 B
C++
31 lines
818 B
C++
// Copyright (c) 2014, 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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#include <sstream>
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#include "rocksdb/env.h"
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#include "util/iostats_context_imp.h"
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namespace rocksdb {
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__thread IOStatsContext iostats_context;
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void IOStatsContext::Reset() {
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thread_pool_id = Env::Priority::TOTAL;
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bytes_read = 0;
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bytes_written = 0;
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}
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#define OUTPUT(counter) #counter << " = " << counter << ", "
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std::string IOStatsContext::ToString() const {
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std::ostringstream ss;
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ss << OUTPUT(thread_pool_id)
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<< OUTPUT(bytes_read)
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<< OUTPUT(bytes_written);
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return ss.str();
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}
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} // namespace rocksdb
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