39 lines
1.5 KiB
Lua
39 lines
1.5 KiB
Lua
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-- Tencent is pleased to support the open source community by making xLua available.
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-- Copyright (C) 2016 THL A29 Limited, a Tencent company. All rights reserved.
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-- Licensed under the MIT License (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at
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-- http://opensource.org/licenses/MIT
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-- Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
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--定义模块
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local Memory = {};
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local TYPE_NAME = {'GLOBAL', 'REGISTRY', 'UPVALUE', 'LOCAL'}
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function Memory:ReportOutputLine(rp)
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local size = string.format("%7i", rp.size)
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return string.format("%-40.40s: %-12s: %-12s: %-12s: %s\n", rp.name, size, TYPE_NAME[rp.type], rp.pointer, rp.used_in)
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end
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function Memory:Snapshot()
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local ss = perf.snapshot();
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local FORMAT_HEADER_LINE = "%-40s: %-12s: %-12s: %-12s: %s\n"
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local header = string.format( FORMAT_HEADER_LINE, "NAME", "SIZE", "TYPE", "ID", "INFO")
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table.sort(ss, function(a, b) return a.size > b.size end)
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local output = header
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for i, rp in ipairs(ss) do
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output = output .. self:ReportOutputLine(rp)
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end
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return output
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end
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--returns the total memory in use by Lua (in Kbytes).
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function Memory:Total()
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return collectgarbage('count')
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end
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return Memory;
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