Sy: Time spent running kernel code.
sy：用于运行内核代码的时间。
So at UNESCO, I started looking into the kernel code.
所以，在UNESCO，我开始了解内核代码。
The first module the thread ran is vmlinux, or kernel code.
线程运行的第一个模块是vmlinux，或内核代码。
Of course, not all sections of the kernel code can be preempted.
当然，不是所有的内核代码段都可以被抢占。
Certain critical sections of the kernel code are locked against preemption.
可以锁定内核代码的关键部分，不允许抢占。
At this point, you should have no trouble patching any kernel code byte.
由此看来，你编写任何内核代码字节补丁应该没有困难了。
However, this isn't trivial; no matter what, you're still writing kernel code.
不过，这很重要；不管怎样，您还是要编写内核代码。
As you can see, the initial program setup is nearly identical to the hdaps kernel code.
正如您所见，初始的程序设置几乎与hdaps内核代码完全相同。
Modifying the template to execute the desired kernel code is relatively straightforward.
修改模板来执行期望的内核代码相对也比较简单。
When developing a kernel code or running a development kernel, sometimes a kernel panics.
在开发内核代码或运行开发内核时，偶尔会发生内核崩溃。
Linux device drivers work through special kernel code that directly accesses the hardware.
Linux设备驱动程序，是通过专门与硬件打交道的内核代码工作的。
This requires changes to the OProfile kernel code to sample the SPU instruction Pointers regularly.
这需要修改oprofile的内核代码来周期性地对SPU指令指针进行采样。
I hope you have gained some insight into OProfile and the ways you can optimize the kernel code.
我希望您已经对oprofile和可以优化内核代码的方法有了一些了解。
DSF is especially helpful in executing device driver kernel code where the device may not be present.
当设备可能不存在时，DSF特别有助于执行设备驱动程序内核代码。
KGDB helps to place breakpoints in kernel code, so you can step through it and observe the variables.
kgdb可帮助在内核代码中放置断点，这样您就可以逐步通过断点来观察变量。
Kernel code is not automatically included simply because someone contributes it and suggests it has value.
内核代码不会仅仅因为某人的贡献并表明其价值而自动包含进来。
If you write kernel code, you'll run across one or all three of these APIs, so they're definitely worth exploring.
当您编写内核代码时，您将遇到一个或多个这样的API，因此它们肯定值得深入研究。
The first page of virtual memory in the kernel address space can be accessed by kernel code, but is marked as read-only.
内核地址空间中的第一页虚拟内存可通过内核代码访问，但是被标记为只读。
The tests should adequately cover the kernel code to help support the stability statement produced from their results.
测试应该充分地覆盖内核代码，以帮助支持自其结果中生成的稳定性声明。
This aptly named tool is essentially a patch to the kernel code that lets hackers access kernel memory and data structures.
这个恰如其名的工具实质上是内核代码的补丁，它允许高手访问内核内存和数据结构。
KQEMU is a driver (kernel module for Linux) that allows user-mode code and kernel code to execute directly on the host CPU.
KQEMU是一个驱动程序(Linux的内核模块)，允许用户模式的代码和内核代码直接在主机CPU上执行。
One is the "common" patch that contains the changes for the generic kernel code, and the other is the architecture-specific patch.
一个是“公共的”补丁，包含了对通用内核代码的更改，另一个是特定于体系结构的补丁。
The Tprof tool provides this information for multiple types of code, including application code, library routines, and kernel code.
Tprof为多种类型的代码提供这一信息，包括应用程序代码、库例程以及内核代码。
Even though the kernel code has been made meaningfully more efficient, the test USES more cycles to accomplish the same file transfer.
虽然内核代码的效率变得更高，但完成测试中同样多的文件传输占用更多的周期。
The subroutines that ran in the kernel code are idled (the process that is run when the CPU is idle) and schedule (the kernel scheduler).
内核代码中子例程是idled （当CPU空闲时运行的进程）和schedule（内核调度器）。
You set some registers and issue a system call instruction (or an interrupt) and have the kernel code called directly from the trap handler.
你可以设置一些寄存器，并发出一个系统调用指令(或中断)，并由陷阱处理程序直接调用内核代码。
Listing 12 shows how you can do this on your host computer (assuming that the mydroid directory contains all the Android source kernel code).
清单12展示了如何在您的主机上完成这一过程(假设mydroid目录包含所有Android内核源代码)。
But if, say, a printer driver suddenly erases the kernel code needed to access the disk drive, the operating system will have part of its brain cut out.
但是，比如一个打印机驱动程序突然把接磁盘驱动所需的核心代码删除掉，操作系统就会出现部分停顿。
Max CPU time is the maximum percentage of time in seconds that the CPU was in use (running both kernel and non-kernel code, including IO wait time).
MaxCPUTime是按秒计算的CPU使用时间的最大百分比(运行内核及非内核代码，包括IO等待时间)。
Max CPU time is the maximum percentage of time in seconds that the CPU was in use (running both kernel and non-kernel code, including IO wait time).
MaxCPUTime是按秒计算的CPU使用时间的最大百分比(运行内核及非内核代码，包括IO等待时间)。
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