High CPU Usage - Githubissues

sandikata commented 2 years ago

What Operating System(s) are you seeing this problem on?

Linux X11

Which Wayland compositor or X11 Window manager(s) are you using?

Mutter

WezTerm version

wezterm 20221023-205047-43f2265e

Did you try the latest nightly build to see if the issue is better (or worse!) than your current version?

Yes, and I updated the version box above to show the version of the nightly that I tried

Describe the bug

While working with multiple opened tabs, the CPU usage is insane, and it begins with lag. I cannot catch what is causing this.

To Reproduce

Open multiple tabs and run multiple tasks with thousands of lines output (like building or reading log files).

Configuration

wezterm.lua.zip

local wezterm = require 'wezterm'
local act = wezterm.action

wezterm.on('update-right-status', function(window, pane)
  window:set_right_status(window:active_workspace())
end)

return {
  font = wezterm.font_with_fallback {
    { family = 'Jetbrains Mono NL', weight = 'Regular' },
    { family = 'Terminus', weight = 'Bold' },
    'Noto Color Emoji',
  },
    font_size = 12.0,
    freetype_load_target = 'Light',
    freetype_render_target = 'HorizontalLcd',

    color_scheme_dirs = { os.getenv("HOME") .. "/.config/wezterm/colors/" },
    color_scheme = "Relaxed",

    term = "wezterm",

    front_end = "OpenGL",

    max_fps = 165,

    window_background_opacity = 0.98,

    -- initial_cols = 255,
    -- initial_rows = 50,

    scrollback_lines = 10000,

    enable_scroll_bar = true,

    use_fancy_tab_bar = true,

    tab_bar_at_bottom = true,

    window_frame = {
    -- The font used in the tab bar.
    -- Roboto Bold is the default; this font is bundled
    -- with wezterm.
    -- Whatever font is selected here, it will have the
    -- main font setting appended to it to pick up any
    -- fallback fonts you may have used there.
    font = wezterm.font { family = 'Roboto', weight = 'Bold' },

    -- The size of the font in the tab bar.
    -- Default to 10. on Windows but 12.0 on other systems
    font_size = 12.0,

    -- The overall background color of the tab bar when
    -- the window is focused
    active_titlebar_bg = '#333333',

    -- The overall background color of the tab bar when
    -- the window is not focused
    inactive_titlebar_bg = '#333333',
  },

  colors = {
    tab_bar = {
      -- The color of the inactive tab bar edge/divider
      inactive_tab_edge = '#575757',
    },
  },

  inactive_pane_hsb = {
  saturation = 0.9,
  brightness = 0.8,
  },

-- Split vertical current pane
keys = {
    -- This will create a new split and run your default program inside it
    {
      key = '"',
      mods = 'CTRL|SHIFT|ALT',
      action = wezterm.action.SplitVertical { domain = 'CurrentPaneDomain' },
    },
  },

-- Split horizontal current pane
  keys = {
    -- This will create a new split and run your default program inside it
    {
      key = '%',
      mods = 'CTRL|SHIFT|ALT',
      action = wezterm.action.SplitHorizontal { domain = 'CurrentPaneDomain' },
    },
  },

-- Zoom pane
    keys = {
    {
      key = 'Z',
      mods = 'CTRL|SHIFT',
      action = wezterm.action.TogglePaneZoomState,
    },
  },

-- Mouse cursor
  default_cursor_style = 'BlinkingUnderline',
  cursor_blink_rate = 300,

-- Visual Bell Screen Blink
  visual_bell = {
    fade_in_function = 'EaseIn',
    fade_in_duration_ms = 150,
    fade_out_function = 'EaseOut',
    fade_out_duration_ms = 150,
  },
  colors = {
    visual_bell = '#202020',
  },

-- Visual Bell Mouse Flare
--   visual_bell = {
--    fade_in_duration_ms = 75,
--    fade_out_duration_ms = 75,
--    target = 'CursorColor',
--  },

  keys = {
    {
      key = '0',
      mods = 'CTRL',
      action = wezterm.action.ResetFontAndWindowSize,
    },
  },

}

Expected Behavior

To work without insane CPU usage and insane lag (like it works on non GPU accelerated terminal emulators).

Logs

Debug Overlay
wezterm version: 20221023-205047-43f2265e
OpenGL version: AMD Radeon RX 6750 XT (navi22, LLVM 15.0.3, DRM 3.48, 6.0.1-gentoo) 4.6 (Compatibility Profile) Mesa 22.2.2
Enter lua statements or expressions and hit Enter.
Press ESC or CTRL-D to exit
16:48:40.319 INFO wezterm_gui::termwindow > clicking https://lifehacker.com/5837769/make-sure-your-partitions-are-correctly-aligned-for-optimal-solid-state-drive-performance
17:14:38.961 INFO wezterm_gui::termwindow > clicking https://github.com/nvbn/thefuck
18:05:05.103 INFO wezterm_gui::termwindow > clicking https://sindresorhus.com/caprine
18:16:15.020 INFO wezterm_gui::termwindow > clicking https://bugs.gentoo.org/715114

Anything else?

No response

sandikata commented 2 years ago

Снимка от 2022-10-25 09-19-56

sandikata commented 2 years ago

That's even without any tasks on it.

wez commented 2 years ago

Please capture a terminal recording:

Launch wezterm. Set it to the size in your screenshot.
Inside that terminal run wezterm record to start a recording session.
Run through your reproduction steps: run bashtop?
Let it run for a few seconds, then exit bashtop.
Then type exit
You should see a message like:

*** Finished recording to /var/tmp/wezterm-recording-sF6B3u.cast.txt

Attach the file that it produced to this issue.

The file is an asciicast (compatible with https://asciinema.org/) and can also be replayed using wezterm replay.

The terminal recording allows me to replicate what is being sent to the terminal without requiring me to install the same applications as you and replicate your configuration for everything.

sandikata commented 2 years ago

Hello, There's a record.

wezterm-recording-Mplwz1.cast.txt