e412dd12e8
Currently, there are some useless includes in the codebase. We can use a tool named include-what-you-use to optimize these includes. By using a strict include-what-you-use policy, we can get lots of benefits from it.
56 lines
2.1 KiB
C++
56 lines
2.1 KiB
C++
// Licensed to the Apache Software Foundation (ASF) under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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#pragma once
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#include <stdint.h>
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#include <iostream>
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#include <string>
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#include "common/status.h"
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namespace doris {
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class PprofUtils {
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public:
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/// check and get "perf" cmd
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static Status get_perf_cmd(std::string* cmd);
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/// get current BE process cmdline from '/proc/self/cmdline'
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static Status get_self_cmdline(std::string* cmd);
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/// check and get "pprof" command, return the cmd abs path via "cmd".
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static Status get_pprof_cmd(std::string* cmd);
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/// get readable profile by `pprof --text doris_be perf.data`
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/// if is_file is true, the file_or_content is an abs path of perf file.
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/// if is_file is false, the file_or_content is the perf file content.
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/// the readable content is returned via "output"
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static Status get_readable_profile(const std::string& file_or_content, bool is_file,
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std::stringstream* output);
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/// generat flame graph of CPU profile of BE process.
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/// flame_graph_tool_dir is the dir will FlameGraph installed.
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/// if succeed, return return generated svg file path in "svg_file".
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static Status generate_flamegraph(int32_t sample_seconds,
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const std::string& flame_graph_tool_dir, bool return_file,
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std::string* svg_file_or_content);
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};
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} // namespace doris
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