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This is the wiki page for the Linux perf command, also called perf_events. perf is powerful: it can instrument CPU performance counters, tracepoints, kprobes, ...瀏覽：411 -
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perf.wiki.kernel.org2014年5月31日 - Introduction. Perf is a profiler tool for Linux 2.6+ based systems that abstracts away CPU hardware differences in Linux performance ...瀏覽：653
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日期：2025-04-26
2011年5月26日 - 简介： Perf Event 是一款随Linux 内核代码一同发布和维护的性能诊断工具，由内核社区维护和发展。Perf 不仅可以用于应用程序的性能统计分析，也 ......
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日期：2025-04-24
2014年1月26日 - These are some examples of using the perf Linux profiler, which has also been called Performance Counters for Linux (PCL), Linux perf events ......
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日期：2025-04-29
perf (sometimes called "Perf Events"[1] or perf tools, originally "Performance Counters for Linux", PCL[2]) is a performance analyzing tool in Linux, available from Linux kernel version 2.6.31.[3] Userspace controlling utility, named perf, is accessed fro...
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日期：2025-04-29
These are some examples of using the perf Linux profiler, which has also been called Performance Counters for Linux (PCL), Linux perf events (LPE), or perf_events. Like Vince Weaver, I'll call it perf_events so that you can search on that term later. Sear...
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日期：2025-04-30
Perf簡介 Perf是Linux kernel自帶的系統性能優化工具。雖然它的版本還只是0.0.2，Perf已經顯現出它強大的實力，足以與目前Linux流行的OProfile相媲美了。 Perf的優勢在於與Linux Kernel的緊密結合，它可以最先應用到加入Kernel的new feature。而像OProfile, GProf ......
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日期：2025-04-23
Using copies of guest files In order to record events for a guest, the perf tool needs the /proc/kallsyms and /proc/modules for the guest. These are passed to perf with the --guestkallsyms and --guestmodules options. The files will have to be on the host,...
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日期：2025-04-30
I am just writing down some information I found with difficulty about the Linux perf_event_open system call. I want to use this system call to identify memory unbalance on NUMA systems (with Intel Westmere-EP processors). This may contains error, it's jus...
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日期：2025-04-26
When an application encounters some performance issues, we have to find the code that causes the problem to optimize only what really matters. To find the code we have to optimize, the profilers are really useful. In this post, we'll use the Linux perf to...
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