forked from apache/doris
-
Notifications
You must be signed in to change notification settings - Fork 3
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
[opt](memory) Support Jemalloc heap profile start at runtime and auto…
…matically generate dot (apache#42059)
- Loading branch information
Showing
15 changed files
with
310 additions
and
67 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,130 @@ | ||
| // Licensed to the Apache Software Foundation (ASF) under one | ||
| // or more contributor license agreements. See the NOTICE file | ||
| // distributed with this work for additional information | ||
| // regarding copyright ownership. The ASF licenses this file | ||
| // to you under the Apache License, Version 2.0 (the | ||
| // "License"); you may not use this file except in compliance | ||
| // with the License. You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // 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. | ||
|
|
||
| #include "runtime/memory/heap_profiler.h" | ||
|
|
||
| #ifdef USE_JEMALLOC | ||
| #include "jemalloc/jemalloc.h" | ||
| #endif | ||
| #include "agent/utils.h" | ||
| #include "common/config.h" | ||
| #include "io/fs/local_file_system.h" | ||
|
|
||
| namespace doris { | ||
|
|
||
| void HeapProfiler::set_prof_active(bool prof) { | ||
| #ifdef USE_JEMALLOC | ||
| std::lock_guard guard(_mutex); | ||
| try { | ||
| int err = jemallctl("prof.active", nullptr, nullptr, &prof, 1); | ||
| err |= jemallctl("prof.thread_active_init", nullptr, nullptr, &prof, 1); | ||
| if (err) { | ||
| LOG(WARNING) << "jemalloc heap profiling start failed, " << err; | ||
| } else { | ||
| LOG(WARNING) << "jemalloc heap profiling started"; | ||
| } | ||
| } catch (...) { | ||
| LOG(WARNING) << "jemalloc heap profiling start failed"; | ||
| } | ||
| #endif | ||
| } | ||
|
|
||
| bool HeapProfiler::get_prof_dump(const std::string& profile_file_name) { | ||
| #ifdef USE_JEMALLOC | ||
| std::lock_guard guard(_mutex); | ||
| const char* file_name_ptr = profile_file_name.c_str(); | ||
| try { | ||
| int err = jemallctl("prof.dump", nullptr, nullptr, &file_name_ptr, sizeof(const char*)); | ||
| if (err) { | ||
| LOG(WARNING) << "dump heap profile failed, " << err; | ||
| return false; | ||
| } else { | ||
| LOG(INFO) << "dump heap profile to " << profile_file_name; | ||
| return true; | ||
| } | ||
| } catch (...) { | ||
| LOG(WARNING) << "dump heap profile failed"; | ||
| return false; | ||
| } | ||
| #else | ||
| return false; | ||
| #endif | ||
| } | ||
|
|
||
| static std::string jeprof_profile_to_dot(const std::string& profile_file_name) { | ||
| AgentUtils util; | ||
| const static std::string jeprof_path = fmt::format("{}/bin/jeprof", std::getenv("DORIS_HOME")); | ||
| const static std::string binary_path = | ||
| fmt::format("{}/lib/doris_be", std::getenv("DORIS_HOME")); | ||
| // https://doris.apache.org/community/developer-guide/debug-tool/#3-jeprof-parses-heap-profile | ||
| std::string jeprof_cmd = | ||
| fmt::format("{} --dot {} {}", jeprof_path, binary_path, profile_file_name); | ||
| std::string msg; | ||
| bool rc = util.exec_cmd(jeprof_cmd, &msg); | ||
| if (!rc) { | ||
| LOG(WARNING) << "jeprof profile to dot failed: " << msg; | ||
| } | ||
| return msg; | ||
| } | ||
|
|
||
| void HeapProfiler::heap_profiler_start() { | ||
| set_prof_active(true); | ||
| } | ||
|
|
||
| void HeapProfiler::heap_profiler_stop() { | ||
| set_prof_active(false); | ||
| } | ||
|
|
||
| bool HeapProfiler::check_heap_profiler() { | ||
| #ifdef USE_JEMALLOC | ||
| size_t value = 0; | ||
| size_t sz = sizeof(value); | ||
| jemallctl("prof.active", &value, &sz, nullptr, 0); | ||
| return value; | ||
| #else | ||
| return false; | ||
| #endif | ||
| } | ||
|
|
||
| std::string HeapProfiler::dump_heap_profile() { | ||
| if (!config::jeprofile_dir.empty()) { | ||
| auto st = io::global_local_filesystem()->create_directory(config::jeprofile_dir); | ||
| if (!st.ok()) { | ||
| LOG(WARNING) << "create jeprofile dir failed."; | ||
| return ""; | ||
| } | ||
| } | ||
| std::string profile_file_name = | ||
| fmt::format("{}/jeheap_dump.{}.{}.{}.heap", config::jeprofile_dir, std::time(nullptr), | ||
| getpid(), rand()); | ||
| if (get_prof_dump(profile_file_name)) { | ||
| return profile_file_name; | ||
| } else { | ||
| return ""; | ||
| } | ||
| } | ||
|
|
||
| std::string HeapProfiler::dump_heap_profile_to_dot() { | ||
| std::string profile_file_name = dump_heap_profile(); | ||
| if (!profile_file_name.empty()) { | ||
| return jeprof_profile_to_dot(profile_file_name); | ||
| } else { | ||
| return ""; | ||
| } | ||
| } | ||
|
|
||
| } // namespace doris |
Oops, something went wrong.