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save the callstack information to file when exception throws test=dev… #19324

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Merged
wopeizl merged 2 commits into from
Aug 27, 2019
Merged

save the callstack information to file when exception throws test=dev… #19324

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save the callstack information to file when exception throws test=dev…
wopeizl Aug 21, 2019
478dd2e
test=develop
wopeizl Aug 21, 2019
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19 changes: 19 additions & 0 deletions paddle/fluid/platform/enforce.h
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Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,7 @@ limitations under the License. */
#include <thrust/system_error.h>
#endif // PADDLE_WITH_CUDA

#include <fstream>
#include <iomanip>
#include <iostream>
#include <memory>
Expand Down Expand Up @@ -82,6 +83,22 @@ struct EnforceNotMet : public std::exception {
const char* what() const noexcept override { return err_str_.c_str(); }

private:
const std::string output_file_name{"paddle_err_info"};
void saveErrorInformation(const std::string& err) {
std::stringstream ss;
ss << output_file_name;
std::time_t t = std::time(nullptr);
std::tm* tm = std::localtime(&t);
char mbstr[100];
std::strftime(mbstr, sizeof(mbstr), "%F-%H-%M-%S", tm);
ss << "_" << mbstr << ".log";
std::ofstream err_file(ss.str(), std::ofstream::out);
if (err_file.is_open()) {
err_file << err;
err_file.close();
}
}

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@lanxianghit lanxianghit Aug 23, 2019

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能否明确一下哪些信息被写入文件了，哪些信息仍然保留在屏幕上？另外，好像没有看到给用户的提示信息，去哪个文件找详细信息？

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@wopeizl wopeizl Aug 27, 2019

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出错栈的信息都会被保存到文件中

template <typename StrType>
inline void Init(StrType what, const char* f, int l) {
static constexpr int TRACE_STACK_LIMIT = 100;
Expand Down Expand Up @@ -112,6 +129,8 @@ struct EnforceNotMet : public std::exception {
sout << "Windows not support stack backtrace yet.";
#endif
err_str_ = sout.str();

saveErrorInformation(err_str_);
}
};

Expand Down