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| Name: golang-github-hodgesds-perf-utils-devel | Distribution: Fedora Project |
| Version: 0.7.0 | Vendor: Fedora Project |
| Release: 4.fc40 | Build date: Wed Jan 24 19:15:26 2024 |
| Group: Unspecified | Build host: buildhw-x86-14.iad2.fedoraproject.org |
| Size: 172409 | Source RPM: golang-github-hodgesds-perf-utils-0.7.0-4.fc40.src.rpm |
| Packager: Fedora Project | |
| Url: https://github.com/hodgesds/perf-utils | |
| Summary: Perf Utilities for Go | |
This package is a go library for interacting with the perf subsystem in Linux. I had trouble finding a golang perf library so I decided to write this by using the linux’s perf as a reference. This library allows you to do things like see how many CPU instructions a function takes (roughly), profile a process for various hardware events, and other interesting things. Note that because the go scheduler can schedule a goroutine across many OS threads it becomes rather difficult to get an exact profile of an invididual goroutine. However, a few tricks can be used; first a call to runtime.LockOSThread to lock the current goroutine to an OS thread. Second a call to unix.SchedSetaffinity, with a CPU set mask set. Note that if the pid argument is set 0 the calling thread is used (the thread that was just locked). Before using this library you should probably read the perf_event_open man page which this library uses heavily. See this kernel guide for a tutorial how to use perf and some of the limitations. This package contains the source code needed for building packages that reference the following Go import paths: – github.com/hodgesds/perf-utils
MIT
* Wed Jan 24 2024 Fedora Release Engineering <[email protected]> - 0.7.0-4 - Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild * Sat Jan 20 2024 Fedora Release Engineering <[email protected]> - 0.7.0-3 - Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild * Thu Jul 20 2023 Fedora Release Engineering <[email protected]> - 0.7.0-2 - Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild * Fri Jul 14 2023 Mark E. Fuller <[email protected]> - 0.7.0-1 - update to v0.7.0, close rhbz#2155974 * Thu Jan 19 2023 Fedora Release Engineering <[email protected]> - 0.5.1-4 - Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild * Thu Jul 21 2022 Fedora Release Engineering <[email protected]> - 0.5.1-3 - Rebuilt for https://fedoraproject.org/wiki/Fedora_37_Mass_Rebuild
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