mirror of
https://github.com/RGBCube/serenity
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UserspaceEmulator: Use Core::Stream
for writing profiling data
This looks like it should compile, but UserspaceEmulator is currently broken on any non-i686 platform anyways, so I can't test that.
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parent
173cc5e6e0
commit
9d7606b8de
4 changed files with 25 additions and 30 deletions
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@ -5,7 +5,6 @@
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*/
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#include "Emulator.h"
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#include <AK/FileStream.h>
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#include <AK/Format.h>
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#include <AK/LexicalPath.h>
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#include <AK/StringBuilder.h>
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@ -24,7 +23,6 @@ int main(int argc, char** argv, char** env)
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Vector<StringView> arguments;
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bool pause_on_startup { false };
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DeprecatedString profile_dump_path;
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FILE* profile_output_file { nullptr };
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bool enable_roi_mode { false };
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bool dump_profile { false };
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unsigned profile_instruction_interval { 0 };
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@ -58,29 +56,29 @@ int main(int argc, char** argv, char** env)
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if (dump_profile && profile_dump_path.is_empty())
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profile_dump_path = DeprecatedString::formatted("{}.{}.profile", LexicalPath(executable_path).basename(), getpid());
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OwnPtr<OutputFileStream> profile_stream;
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OwnPtr<Core::Stream::Stream> profile_stream;
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OwnPtr<NonnullOwnPtrVector<DeprecatedString>> profile_strings;
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OwnPtr<Vector<int>> profile_string_id_map;
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if (dump_profile) {
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profile_output_file = fopen(profile_dump_path.characters(), "w+");
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if (profile_output_file == nullptr) {
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char const* error_string = strerror(errno);
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warnln("Failed to open '{}' for writing: {}", profile_dump_path, error_string);
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auto profile_stream_or_error = Core::Stream::File::open(profile_dump_path, Core::Stream::OpenMode::Write);
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if (profile_stream_or_error.is_error()) {
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warnln("Failed to open '{}' for writing: {}", profile_dump_path, profile_stream_or_error.error());
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return 1;
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}
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profile_stream = make<OutputFileStream>(profile_output_file);
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profile_stream = profile_stream_or_error.release_value();
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profile_strings = make<NonnullOwnPtrVector<DeprecatedString>>();
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profile_string_id_map = make<Vector<int>>();
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profile_stream->write_or_error(R"({"events":[)"sv.bytes());
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profile_stream->write_entire_buffer(R"({"events":[)"sv.bytes()).release_value_but_fixme_should_propagate_errors();
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timeval tv {};
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gettimeofday(&tv, nullptr);
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profile_stream->write_or_error(
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DeprecatedString::formatted(
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R"~({{"type": "process_create", "parent_pid": 1, "executable": "{}", "pid": {}, "tid": {}, "timestamp": {}, "lost_samples": 0, "stack": []}})~",
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executable_path, getpid(), gettid(), tv.tv_sec * 1000 + tv.tv_usec / 1000)
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.bytes());
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profile_stream->write_entire_buffer(
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DeprecatedString::formatted(
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R"~({{"type": "process_create", "parent_pid": 1, "executable": "{}", "pid": {}, "tid": {}, "timestamp": {}, "lost_samples": 0, "stack": []}})~",
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executable_path, getpid(), gettid(), tv.tv_sec * 1000 + tv.tv_usec / 1000)
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.bytes())
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.release_value_but_fixme_should_propagate_errors();
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}
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Vector<DeprecatedString> environment;
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@ -116,13 +114,13 @@ int main(int argc, char** argv, char** env)
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rc = emulator.exec();
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if (dump_profile) {
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emulator.profile_stream().write_or_error("], \"strings\": ["sv.bytes());
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emulator.profile_stream().write_entire_buffer("], \"strings\": ["sv.bytes()).release_value_but_fixme_should_propagate_errors();
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if (emulator.profiler_strings().size()) {
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for (size_t i = 0; i < emulator.profiler_strings().size() - 1; ++i)
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emulator.profile_stream().write_or_error(DeprecatedString::formatted("\"{}\", ", emulator.profiler_strings().at(i)).bytes());
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emulator.profile_stream().write_or_error(DeprecatedString::formatted("\"{}\"", emulator.profiler_strings().last()).bytes());
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emulator.profile_stream().write_entire_buffer(DeprecatedString::formatted("\"{}\", ", emulator.profiler_strings().at(i)).bytes()).release_value_but_fixme_should_propagate_errors();
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emulator.profile_stream().write_entire_buffer(DeprecatedString::formatted("\"{}\"", emulator.profiler_strings().last()).bytes()).release_value_but_fixme_should_propagate_errors();
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}
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emulator.profile_stream().write_or_error("]}"sv.bytes());
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emulator.profile_stream().write_entire_buffer("]}"sv.bytes()).release_value_but_fixme_should_propagate_errors();
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}
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return rc;
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}
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