{"id":64,"date":"2022-01-14T19:15:22","date_gmt":"2022-01-14T19:15:22","guid":{"rendered":"https:\/\/her01n.com\/?p=64"},"modified":"2022-01-14T19:15:22","modified_gmt":"2022-01-14T19:15:22","slug":"show-fps-in-gnome","status":"publish","type":"post","link":"https:\/\/her01n.com\/?p=64","title":{"rendered":"Show FPS in Gnome"},"content":{"rendered":"\n
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It is possible to display frames per seconds metric in the gnome shell. First create a file \/usr\/share\/wayland-sessions\/gnome-wayland-fps.desktop<\/em><\/p>\n<\/div>\n<\/div>\n\n\n\n

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[Desktop Entry]\nName=GNOME on Wayland (fps)\nComment=Debug version of gnome, displaying fps\nExec=\/usr\/bin\/env CLUTTER_SHOW_FPS=1 \/usr\/bin\/gnome-session\nType=Application\nDesktopNames=GNOME\nX-GDM-SessionRegisters=true\n<\/code><\/pre>\n<\/div>\n<\/div>\n\n\n\n
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Log out, and log into the new session GNOME on Wayland (fps)<\/em>. In the new session, open terminal and launch command:<\/p>\n<\/div>\n<\/div>\n\n\n\n
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sudo journalctl --follow<\/code><\/pre>\n<\/div>\n<\/div>\n\n\n\n
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The FPS measurement will be printed every few seconds. Very low values (1-2 FPS) are printed if the session is idle. To test the performance, open some windows, then keep pressing windows button to show and hide overview. Or keep windows pressed and keep pressing arrow buttons to move the window around the screen.<\/p>\n<\/div>\n<\/div>\n\n\n\n
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This is an example output:<\/p>\n\n\n\n
jan 14 12:14:41 wall-e gnome-shell[12525]: *** HDMI-1 frame timings over 1,0s: 16,46 FPS, average: 1,9ms, peak: 3,7ms\njan 14 12:14:42 wall-e gnome-shell[12525]: *** HDMI-1 frame timings over 1,0s: 20,33 FPS, average: 1,9ms, peak: 2,4ms\njan 14 12:14:43 wall-e gnome-shell[12525]: *** HDMI-1 frame timings over 1,0s: 22,25 FPS, average: 1,3ms, peak: 2,8ms\njan 14 12:14:44 wall-e gnome-shell[12525]: *** HDMI-1 frame timings over 1,0s: 20,30 FPS, average: 1,8ms, peak: 2,5ms\njan 14 12:14:45 wall-e gnome-shell[12525]: *** HDMI-1 frame timings over 1,0s: 20,34 FPS, average: 1,8ms, peak: 2,5ms\njan 14 12:14:46 wall-e gnome-shell[12525]: *** HDMI-1 frame timings over 1,0s: 22,27 FPS, average: 2,1ms, peak: 3,2ms\njan 14 12:14:47 wall-e gnome-shell[12525]: *** HDMI-1 frame timings over 1,0s: 25,82 FPS, average: 1,7ms, peak: 3,4ms\njan 14 12:14:48 wall-e gnome-shell[12525]: *** HDMI-1 frame timings over 1,0s: 21,42 FPS, average: 2,0ms, peak: 3,0ms\njan 14 12:14:49 wall-e gnome-shell[12525]: *** HDMI-1 frame timings over 1,0s: 25,16 FPS, average: 2,2ms, peak: 2,7ms\njan 14 12:14:50 wall-e gnome-shell[12525]: *** HDMI-1 frame timings over 1,1s: 18,75 FPS, average: 2,0ms, peak: 2,6ms\n<\/code><\/pre>\n\n\n\n
This is an integrated GPU Intel\u00ae HD Graphics 4600 on 4K display. You can see the performance is poor.<\/p>\n<\/div>\n<\/div>\n\n\n\n
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It is possible to display frames per seconds metric in the gnome shell. First create a file \/usr\/share\/wayland-sessions\/gnome-wayland-fps.desktop Log out, and log into the new session GNOME on Wayland (fps). In the new session, open terminal and launch command: The FPS measurement will be printed every few seconds. Very low values (1-2 FPS) are printed […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-64","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/her01n.com\/index.php?rest_route=\/wp\/v2\/posts\/64","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/her01n.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/her01n.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/her01n.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/her01n.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=64"}],"version-history":[{"count":0,"href":"https:\/\/her01n.com\/index.php?rest_route=\/wp\/v2\/posts\/64\/revisions"}],"wp:attachment":[{"href":"https:\/\/her01n.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=64"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/her01n.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=64"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/her01n.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=64"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}