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In the development debugging process, often encounter mobile phone/device crash or dump, memory dump is an important way to analyze the system Crash/dump In the process of Qualcomm, if the device occurs dump, the log of the dump will be cached to a certain area, the user can use the individual tools to analyze log out, the following is the basic qcom on the basis of the introduction of several methods to obtain the dump log: 1.t32 metho

has been running (the function module of the mobile phone isIt is a task at the OS level). However, we still cannot see brew and aee. Haha, variousBit. At this level, I would like to say a few more words. The earliest Qualcomm platform, such as the 5xxx SeriesColumn, there is no brew at all. At that time, the application layer software development directly calls the underlyingThe API provided by the service task to complete the corresponding work. Fr

Http://microkerneldude.wordpress.com/2014/08/29/ok-labs-story-1-the-beginning/: Note: Supplement to sel4 background Last week, I promised to talk about the history of the open kernel lab. This is the first part. It all started more than a decade ago. One morning I received a call from Kevin and he said he was an intellectual property lawyer at Qualcomm. When you know their nature, it will usually make your spine cooler. However, the conversation is

5 with laser focus and phase focus shows the obvious advantages, whether in the light, dark, near light, vision conditions can be rapid focus. Switch to manual focus, Samsung S6 performance is the fastest, followed by the Phantom of the Family Pro, again for the Millet note Ding version. The picture is the Phantom Pro 5 and Mx5,iphone 6 Plus pat contrast Take a picture and compare it As a result of the use of Samsung's ISP and UFS2.0 high-speed Flash, the Phantom Pro 5 imaging speed compar

Qualcomm ARM CPU vs. Intel x86 CPU Performance ComparisonWith the advent of the mobile internet era, arm-based CPUs such as Qualcomm (Qualcomm), Texas Instruments (Texas Instruments) have received more and more attention, while the former king's Intel x86 architecture seems to be struggling in the mobile internet due to power consumption issues.The Intel x86 arch

Iii. Xiaomi mobile phone hardware analysis Xiaomi's mobile phone has become a star in the recent smart machine product, and its ultra-high hardware configuration is involved. The body size is 125x63x11. 9mm, and the weight of the whole machine is 149 grams. The camera uses the 4 inch touch screen launched by sharp, with a resolution of 8 54x480 pixels. It is equipped with a GHz Qualcomm snapdrogan System 3 Series msm8260 dual-core processor, with

Reprinted please indicate the source for the klayge game engine, this article address for http://www.klayge.org/2011/04/20/opengl-es-emulator%e6%a8%aa%e5%90%91%e6%af%94%e8%be%83/ OpenGL ES is widely used on mobile devices. To develop something on PC, we usually need an OpenGL ES emulator. Currently, common simulators include AMD, arm, Qualcomm, and NVIDIA. What are their capabilities? Let's make a simple horizontal comparison.Basic Features

large, while also power consumption. To overcome these shortcomings, the advent of SOC two-in-one chip is the trend, the difficulty is that the SOC chip design and manufacturing difficult [7]. For example, within the SOC, the AP and BP divisions remain clear, and the communication between the two typically relies on memory sharing. However, the technical difficulty of implementing memory sharing is much more complex than the AT command (8).GPhone is a mobile phone with a built-in Google Android

reaction speed is very critical, Bo Tong in this area obviously can not keep up with the market leader , MediaTek's footsteps, it is normal to be eliminated. "Reational AB analyst Zhang Xing Zhaoyuan said that at present in the burgeoning 4G chip market, almost a single big Qualcomm, while still in the growth of the 3G market, the low-end is already completely MediaTek's world, it should be a lucrative chip industry in

Professionals expect most new information devices to be connected to the Internet in the next two to five years, which will lead to fundamental changes in the way users use these devices. Users can easily transmit webpage content, enterprise data, and personal data anytime, anywhere, and on any device they use. To meet the ever-expanding demands of these information devices, Sun has launched the j2-qualcomm and brew, two new online wireless applicatio

Qualcomm introduced UEFI on MSM8998 to replace LK (Little Kernel). Qualcomm UEFI consists of two parts: XBL and ABL. XBL is responsible for core application functions such as chip driver and charging. ABL includes chip-independent applications such as FastBoot. The XBL core is part of the None-hlos Boot_image code and belongs to Qualcomm private code. ABL is in t

A little experience of making a mobile phoneThe entire Android system is a complete ecosystem, Google provides an open Android platform, downstream has a variety of production hardware manufacturers to provide a variety of mobile phone hardware, such as Foxconn's factory provides mobile phone processing,Then is Qualcomm such a company to provide mobile phone core chip and its own solution, then the online phone company, the equivalent is to do a large

mobile phones released this year.Recommended flagship mobile phone worth buying in September: one-plus mobile phone 3Reference Price: 2499 RMBRecommended reasons: metal body, strong performance, optical anti-shake, fast flash chargeCompared with the previous generation, the one plus three products have improved in various aspects. In addition to the powerful combination of Qualcomm Yunlong 820 + 6 GB memory, it also makes up for the bulky defects of

Crawl Zhongguancun Mobile website, get 1716 data.Model proportionis the ratio chart of each brand model number. (Note: The number of times is the number of models, does not represent sales.) ）Summary: From the pie chart can be seen, the factory model the most TOP10 mobile phone brand: Samsung mobile phone, Xiaomi mobile phone, Huawei mobile phone, glory cell phone, cool mobile phone, LG mobile phone, Vivo mobile phone, Meizu mobile phone, Sony mobile phones, ZTE mobile phones.Dimension analysis

A Patchy Server = Apache American gunshipASF: Apache Software FoundationTomcatHadoop: Thousands of computers can be combined to complete a taskwww.apache.orgApache was optimized by httpd.httpdWeb Server, open sourceVersion: 2.2, 2.4,2.0,1.3Apache Features:Create a process beforehandCreate the right process on-demand maintenanceModular design, the core is relatively small, a variety of functions are added module (including PHP)Support Run configuration, support individual compile moduleSupport mu

Currently, remoting for Distributed ERP has its own advantages. For example, remoting's TCP channel speed is fast, but the platform is limited to. Net WebService is open and can be written in any language. Program Can be called, of course, there are DCOM, or even WCFWebService Features: Platform independence (Platform-independent), Cross-language (as long as it supportsXMLLanguage) and penetrationEnterpriseFirewall; WebServiceIs based onHTTPIs stateless; But its disadvantage is also obviou

How many cores do you have on your phone? This is one of our most frequently asked questions when comparing the two phone differences. The number of CPU cores is indeed an important indicator of the performance of a mobile phone, but it is not the most accurate indicator.Take the most common Qualcomm Snapdragon in the market, for example, in the entire "processor", the CPU portion only accounted for 15% of the chip area, the other 85% is the image Pro

with the integration of analog baseband and digital baseband more and more inevitable trend, the RF may eventually be fully integrated into the mobile phone baseband chip. The radio frequency section is generally the part of sending and receiving information, and the baseband section is generally the part of data processing. The baseband chip is used to synthesize the incoming baseband signal, or to decode the baseband signal received. The basic frequency is the most important part of the hands

integrated into the cell phone baseband, and with the integration of analog baseband and digital baseband increasingly becoming a trend, the RF may finally be fully integrated into the cell phone baseband chip. The radio frequency section is usually the part of sending and receiving information. The baseband section is usually the part of the information processing. The baseband chip is used to synthesize the incoming baseband signal, or to decode the baseband signal received. The basic frequen

1. Introduction to log file categoriesReal-time printing mainly involves logcat main, logcat radio, logcat events, tcpdump, and qxdm logs on the Qualcomm platform.The status information includes ADB shell CAT/proc/kmsg, ADB shell dmesg, ADB shell dumpstate, ADB shell dumpsys, ADB bugreport, and project mode. 2. Log Capture details(1) Real-time PrintingADB logcat-B Main-V time> app. Log print Application Log ADB logcat-B radio-V time> radio. Log prints