公开(公告)号：US20130297920A1

公开(公告)日：2013-11-07

申请号：US13869688

申请日：2013-04-24

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yu Liu ,  Zhihui Jia ,  Cong Yao ,  Xiang Li

IPC: G06F1/24 ,  G06F1/26

CPC classification number: G06F11/002 ,  G06F1/24 ,  G06F1/26 ,  G06F11/0742 ,  G06F11/0778

Abstract: Embodiments of the present application disclose a method for saving a running log, including: when a running exception occurs in an operating system, configuring that a random access memory adapted to record a running log of the operating system works in a self-refresh mode; performing reset on an application processor of the operating system and keeping a power management unit working normally, where the power management unit is adapted to manage power of the application processor and the random access memory; acquiring the running log of the operating system from the random access memory and saving the running log of the operating system, after reset of the application processor is completed. The embodiments of the present application further disclose a device. By adopting the present application, it can be ensured that a log is saved completely during a preset process of the system.

Abstract translation: 本申请的实施例公开了一种用于保存运行日志的方法，包括：当在操作系统中发生运行的异常时，配置适于记录操作系统的运行日志的随机存取存储器以自刷新模式工作; 在所述电源管理单元适于管理所述应用处理器和所述随机存取存储器的电力的情况下，在所述操作系统的应用处理器上执行重置并保持电源管理单元正常工作; 在应用处理器复位完成后，从随机存取存储器中获取操作系统的运行日志并保存操作系统的运行日志。 本申请的实施例进一步公开了一种设备。 通过采用本申请，可以确保在系统的预设过程中完整地保存日志。