ply | Light-weight Dynamic Tracer for Linux | Compiler library

 by   wkz C Version: 2.3.0 License: GPL-2.0

kandi X-RAY | ply Summary

kandi X-RAY | ply Summary

ply is a C library typically used in Utilities, Compiler applications. ply has no bugs, it has no vulnerabilities, it has a Strong Copyleft License and it has low support. You can download it from GitHub.

Documentation and language reference is available at [wkz.github.io/ply][3]. A light-weight dynamic tracer for Linux that leverages the kernel’s BPF VM in concert with kprobes and tracepoints to attach probes to arbitrary points in the kernel. Most tracers that generate BPF bytecode are based on the LLVM based BCC toolchain. ply on the other hand has no required external dependencies except for libc. In addition to x86_64, ply also runs on aarch64, arm, and powerpc. Adding support for more ISAs is easy. ply follows the [Little Language][1] approach of yore, compiling ply scripts into Linux [BPF][2] programs that are attached to kprobes and tracepoints in the kernel. The scripts have a C-like syntax, heavily inspired by dtrace(1) and, by extension, awk(1).
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            kandi-support Support

              ply has a low active ecosystem.
              It has 366 star(s) with 136 fork(s). There are 22 watchers for this library.
              OutlinedDot
              It had no major release in the last 12 months.
              There are 2 open issues and 28 have been closed. On average issues are closed in 30 days. There are no pull requests.
              It has a neutral sentiment in the developer community.
              The latest version of ply is 2.3.0

            kandi-Quality Quality

              ply has no bugs reported.

            kandi-Security Security

              ply has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

            kandi-License License

              ply is licensed under the GPL-2.0 License. This license is Strong Copyleft.
              Strong Copyleft licenses enforce sharing, and you can use them when creating open source projects.

            kandi-Reuse Reuse

              ply releases are available to install and integrate.
              Installation instructions, examples and code snippets are available.

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            Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of ply
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            ply Key Features

            No Key Features are available at this moment for ply.

            ply Examples and Code Snippets

            No Code Snippets are available at this moment for ply.

            Community Discussions

            QUESTION

            Example pointclouds with ARCore
            Asked 2021-Jun-09 at 13:00

            Can I get some examples about pointclouds with ARCore? I really search it for days. Currently I am working on an application similar to this one:This app

            Has the feature to view pcl and save files in .ply format

            Thanks

            ...

            ANSWER

            Answered 2021-Jun-09 at 13:00

            The HelloARSample app renders pointcloud in a scene. You can get the coordinates for each point and save them manually in a .ply format.

            Source https://stackoverflow.com/questions/67480008

            QUESTION

            EF Core type configuration adds redundant FKs
            Asked 2021-Jun-09 at 12:23

            I am trying to configure a relationship between to entities in EFCore: Square and Position. Position has one (position) to many (squares) relationship with square named squares, as well as two one - to - one relationship between Square named enPassentTakablePawnOfWhite and enPassentTakablePawnOfBlack. Note that both the FKs as well as the PKs in both of the entities are shadow properties:

            ...

            ANSWER

            Answered 2021-Jun-06 at 17:58

            The BoardId is clearly defined in your PositionTypeConfiguration class. If you don't need it just remove builder.Property("BoardId"); from PositionTypeConfiguration.

            Now about the PositionId1, PositionId issue.

            You use this line to create a foreign key

            Source https://stackoverflow.com/questions/67834447

            QUESTION

            Voxelization of STL-file; writing into np.array
            Asked 2021-Jun-07 at 15:29

            I would like to voxelise a .stl file and write it into an np.array. The resolution of the voxels should be adjustable. Here is my code for this:

            ...

            ANSWER

            Answered 2021-May-25 at 09:00

            If anyone ever has the same problem and is looking for a solution: This project worked for me: GitHub: stl-to-voxel

            The model is then also filled. If the maximum dimension is known, you can determine the exact voxel size via the resolution.

            Here is some code:

            Source https://stackoverflow.com/questions/67380124

            QUESTION

            Python selenium get contents of a webpage added by javascript
            Asked 2021-Jun-07 at 07:39

            I use an online music player called "Netease Cloud Music", and I have multiple playlists in my account, they hold thousands of tracks and are very poorly organized and categorized and held duplicate entries, so I want to export them into an SQL table to organize them.

            I have found a way to view the playlists without using the client software, that is, clicking the share button on top of the playlist page and then click "copy link".

            But opening the link in any browser other than the client, the playlist will be limited to 1000 tracks.

            But I have found a way to overcome it, I installed Tampermonkey and then installed this script.

            Now I can view full playlists in a browser.

            This is a sample playlist.

            The playlists look like this:

            The first column holds the songtitle, the second column holds the duration, the third column holds the artist, and the last column holds the album.

            The text in the first, third and fourth columns are hyperlinks to the song, artist and album pages respectively.

            I don't know a thing about html but I managed to get its data structure.

            The thing we need is the table located at xpath //table/tbody, each row is a childnode of the table named tr(xpath //table/tbody/tr).

            this is a sample row:

            ...

            ANSWER

            Answered 2021-Jun-07 at 07:39

            The simplest answer is that you have to add some delay after opening the page with Firefox.get('https://music.163.com/#/playlist?id=158624364&userid=126762751') before getting the elements with Firefox.find_elements_by_xpath('//table/tbody/tr') to let the elements on the page loaded. It takes few moments.
            So, you can simply add a kind of time.sleep(5) there.
            The better approach is to use expected conditions instead.
            Something like this:

            Source https://stackoverflow.com/questions/67866536

            QUESTION

            playing a url link instead of a .mp3 file in swiftui
            Asked 2021-Jun-01 at 16:45

            I have made a simple swift audio view using AVFoundation. the code works for downloaded files but I do not want the app size to be very large. is it possible if i can ply it from a URL link instead?

            my code is

            ...

            ANSWER

            Answered 2021-Jun-01 at 16:45

            You can use AVPlayer to stream resources from a URL like this. I'd also move the streaming/async logic into an ObservableObject:

            Source https://stackoverflow.com/questions/67777997

            QUESTION

            Python parser ply not matching token
            Asked 2021-May-27 at 16:38

            I am trying to use Ply to parse a file and am trying to make comment tokens. Comments are designated by either double slashes // or a hashtag #. When I try to use the following, no comment tokens are created.

            ...

            ANSWER

            Answered 2021-May-27 at 03:37

            As the Ply documentation says (with an example):

            4.5 Discarded tokens

            To discard a token, such as a comment, simply define a token rule that returns no value. For example:

            Source https://stackoverflow.com/questions/67713520

            QUESTION

            Why is the screen flickering after window.clear() on pyglet?
            Asked 2021-May-04 at 21:32

            When I run this (after pressing start) the screen flickers back and forth from the menu screen to the next screen, and it also places the images of the player and grass on the flickering menu screen. I don't know what is causing this, and I've tried some things but nothing seems to work or even change it. Any help would be greatly appreciated.

            ...

            ANSWER

            Answered 2021-May-04 at 21:32

            I fixed it by making 3 batches and only drawing one at a time.

            Source https://stackoverflow.com/questions/67358929

            QUESTION

            Can not downsample a point cloud in open3D
            Asked 2021-Apr-29 at 09:52

            I am new to open3D pythong binding.

            I am trying to downsample a point clout and I have this code:

            ...

            ANSWER

            Answered 2021-Apr-29 at 09:52

            You need to call the voxel_down_sample() on the pcd object. For ex, in your case, it will be like this:

            Source https://stackoverflow.com/questions/67302532

            QUESTION

            Updating packages in conda
            Asked 2021-Apr-14 at 20:26

            I have a problem with updating packages in conda. The list of my installed packages is:

            ...

            ANSWER

            Answered 2021-Apr-14 at 20:26

            Channel pypi means that the package was installed with pip. You may need to upgrade it with pip as well

            Source https://stackoverflow.com/questions/67097308

            QUESTION

            How can I make two span to start at the same line inside td table
            Asked 2021-Mar-19 at 18:04

            I want the two spans inside the table to be align and to start at the same time Here is image to understand more what i mean

            ...

            ANSWER

            Answered 2021-Mar-19 at 05:10

            You can use the following code. I make a horizontal alignment for each td I put vertical-align: top; . You can change it.

            Source https://stackoverflow.com/questions/66700293

            Community Discussions, Code Snippets contain sources that include Stack Exchange Network

            Vulnerabilities

            No vulnerabilities reported

            Install ply

            ply uses GNU’s autotools as its build system. When building from a Git clone, use the following steps:.

            Support

            For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .
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