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/* | |
* This program is free software: you can redistribute it and/or modify | |
* it under the terms of the GNU General Public License as published by | |
* the Free Software Foundation, either version 3 of the License, or | |
* (at your option) any later version. | |
*/ | |
#include <arpa/inet.h> | |
#include <linux/if_packet.h> | |
#include <stdio.h> |
Testing of Xen vPMU filter options.
Three tests are executed on a simple program (noploop, which runs NOP in a loop). The first two show Linux "perf stat" summaries, and the third tests specific counters: the IPC ones, an architectural one, and a few extras. Which of these will work depends on the filter mode.
I'll begin by showing off and on, the current modes, and then the new modes: ipc and arch.
root@lgud-bgregg:~> xl dmesg | grep vpmu
新老用户都可能遇到陷阱。下面我们列出频繁出现的问题,以及如何解决。 在 Freenode IRC #nginx 频道,我们经常看到这些问题。
[TOC]
最常见的是有人试图从其他指南拷贝配置片段。并非所有的指南是错误的,但绝大部分是有问题的。