i.MX ProcessorsのトピックRe: Encountered several problems when using Vivante tools to analyze .vpd files generated by vprofiler https://community.nxp.com/t5/i-MX-Processors/Encountered-several-problems-when-using-Vivante-tools-to-analyze/m-p/676534#M104354 <HTML><HEAD></HEAD><BODY><P>Looks related to&nbsp;<A href="https://community.nxp.com/thread/453244">https://community.nxp.com/thread/453244</A>&nbsp;</P></BODY></HTML> Wed, 14 Jun 2017 16:37:57 GMT Bio_TICFSL 2017-06-14T16:37:57Z Encountered several problems when using Vivante tools to analyze .vpd files generated by vprofiler https://community.nxp.com/t5/i-MX-Processors/Encountered-several-problems-when-using-Vivante-tools-to-analyze/m-p/676532#M104352 <HTML><HEAD></HEAD><BODY><P>The development environment is imx6q platform, linux kernel version is 3.14.52.</P><P>When I use the vProfiler tool to test gpu utilization (the .vpd files generated by vProfiler and use vAnalyzer to view vpd files), encountered several problems as follows:</P><P></P><P>1.Running the samples in viv_samples/vdk coming with kernel 3.14.52, there is only 1 .vpd files generated.</P><P>However, running my simple Qt program(using QOpenGLWidget), there are 4 .vpd files generated, 2 of them contain only 1&nbsp;frame and the other 2 contain expected number of frames. Why are there multiple .vpd files generated?</P><P><span class="lia-inline-image-display-wrapper" image-alt="捕获.PNG"><img src="https://community.nxp.com/t5/image/serverpage/image-id/19824iEFAE0507450C53C8/image-size/large?v=v2&amp;px=999" role="button" title="捕获.PNG" alt="捕获.PNG" /></span></P><P>2. between&nbsp;the 2 "valid" .vpd file mentiond at 1, &nbsp;gpu utilization is different, one is big(over 80%) and the other is small (below 30%), and the addition of the 2 gpu utilization value is bigger than 100%(why?)&nbsp;</P><P><span class="lia-inline-image-display-wrapper" image-alt="RTX截图未命名1.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/19877i70D14911BF0B5506/image-size/large?v=v2&amp;px=999" role="button" title="RTX截图未命名1.png" alt="RTX截图未命名1.png" /></span></P><P><span class="lia-inline-image-display-wrapper" image-alt="RTX截图未命名2.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/19919iA260A23DD6F84818/image-size/large?v=v2&amp;px=999" role="button" title="RTX截图未命名2.png" alt="RTX截图未命名2.png" /></span></P><P>3. what does driver utilization mean ? Actully, I also want to known the exact meaning of gpu utilization because of the above question.</P><P></P><P>Thanks in advance!</P></BODY></HTML> Tue, 06 Jun 2017 07:17:43 GMT https://community.nxp.com/t5/i-MX-Processors/Encountered-several-problems-when-using-Vivante-tools-to-analyze/m-p/676532#M104352 wangyuan 2017-06-06T07:17:43Z Re: Encountered several problems when using Vivante tools to analyze .vpd files generated by vprofiler https://community.nxp.com/t5/i-MX-Processors/Encountered-several-problems-when-using-Vivante-tools-to-analyze/m-p/676533#M104353 <HTML><HEAD></HEAD><BODY><P>Do you have a similar problem?</P><P>Waiting for help!</P><P>Thank you!</P></BODY></HTML> Fri, 09 Jun 2017 01:05:48 GMT https://community.nxp.com/t5/i-MX-Processors/Encountered-several-problems-when-using-Vivante-tools-to-analyze/m-p/676533#M104353 wangyuan 2017-06-09T01:05:48Z Re: Encountered several problems when using Vivante tools to analyze .vpd files generated by vprofiler https://community.nxp.com/t5/i-MX-Processors/Encountered-several-problems-when-using-Vivante-tools-to-analyze/m-p/676534#M104354 <HTML><HEAD></HEAD><BODY><P>Looks related to&nbsp;<A href="https://community.nxp.com/thread/453244">https://community.nxp.com/thread/453244</A>&nbsp;</P></BODY></HTML> Wed, 14 Jun 2017 16:37:57 GMT https://community.nxp.com/t5/i-MX-Processors/Encountered-several-problems-when-using-Vivante-tools-to-analyze/m-p/676534#M104354 Bio_TICFSL 2017-06-14T16:37:57Z