Re: accessing stock icons during startup
- From: "Padraig O'Briain" <Padraig Obriain Sun COM>
- To: Matthias Clasen <mclasen redhat com>
- Cc: performance-list gnome org, gtk-devel-list gnome org
- Subject: Re: accessing stock icons during startup
- Date: Fri, 04 Nov 2005 17:46:40 +0000
Matthias Clasen wrote On 11/04/05 17:23,:
>On Fri, 2005-11-04 at 17:12 +0000, Padraig O'Briain wrote:
>
>
>>While looking at gnome-panel startup in GNOME 2.12 on Solaris I noticed
>>that about 110 ms was being used in gtk_style_init() when created the
>>first widget, the panel toplevel. This may not sound like a lot but I
>>have noticed that the same thing seems to occur in the 11 processes
>>listed below which start during GNOME startup:
>>
>>gnome-settings-daemon
>>gnome-session
>>metacity
>>gnome-panel
>>nautilus
>>wnck-applet
>>gnome-volcheck
>>clock-applet
>>notification-area-applet
>>gnome-netstatus-applet
>>mixer_applet2
>>
>>A lot of this time is spent accessing or attempting to access stock
>>icons. Snippet of Solaris truss file below. You should see similar on
>>linux by running strace on the startup of a GNOME program.
>>
>>475/1: 22.6064
>>access("/usr/share/icons/blueprint/stock/16x16/stock_apply_20.png",
>>F_OK) Err#2 ENOENT
>>475/1: 22.6066
>>access("/usr/share/icons/blueprint/stock/20x20/stock_apply_20.png",
>>F_OK) = 0
>>475/1: 22.6068
>>access("/usr/share/icons/blueprint/stock/16x16/stock_cancel_20.png",
>>F_OK) Err#2 ENOENT
>>475/1: 22.6069
>>access("/usr/share/icons/blueprint/stock/20x20/stock_cancel_20.png",
>>F_OK) = 0
>>475/1: 22.6071
>>access("/usr/share/icons/blueprint/stock/16x16/stock_cdrom_16.png",
>>F_OK) = 0
>>475/1: 22.6074
>>access("/usr/share/icons/blueprint/stock/16x16/stock_cdrom_24.png",
>>F_OK) Err#2 ENOENT
>>475/1: 22.6075
>>access("/usr/share/icons/blueprint/stock/20x20/stock_cdrom_24.png",
>>F_OK) Err#2 ENOENT
>>
>>
>>The stack trace for the access call gives some idea of what code is
>>being executed:
>>
>> libc.so.1`access+0x4
>> libgtk-x11-2.0.so.0.800.6`gtk_rc_check_pixmap_dir+0x18
>> libgtk-x11-2.0.so.0.800.6`gtk_rc_find_pixmap_in_path+0x34
>> libgtk-x11-2.0.so.0.800.6`gtk_rc_parse_icon_source+0x94
>> libgtk-x11-2.0.so.0.800.6`gtk_rc_parse_stock+0xb4
>> libgtk-x11-2.0.so.0.800.6`gtk_rc_parse_style+0x568
>> libgtk-x11-2.0.so.0.800.6`gtk_rc_parse_any+0x130
>> libgtk-x11-2.0.so.0.800.6`gtk_rc_context_parse_one_file+0x148
>> libgtk-x11-2.0.so.0.800.6`gtk_rc_context_parse_file+0xfc
>> libgtk-x11-2.0.so.0.800.6`parse_include_file+0xc0
>> libgtk-x11-2.0.so.0.800.6`gtk_rc_parse_statement+0x8c
>> libgtk-x11-2.0.so.0.800.6`gtk_rc_parse_any+0x130
>> libgtk-x11-2.0.so.0.800.6`gtk_rc_context_parse_one_file+0x148
>> libgtk-x11-2.0.so.0.800.6`gtk_rc_context_parse_file+0xfc
>> libgtk-x11-2.0.so.0.800.6`gtk_rc_parse_named+0x124
>> libgtk-x11-2.0.so.0.800.6`gtk_rc_reparse_all_for_settings+0x228
>> libgtk-x11-2.0.so.0.800.6`gtk_settings_get_for_screen+0xcc
>> libgtk-x11-2.0.so.0.800.6`gtk_style_init+0x14
>> libgobject-2.0.so.0.800.3`g_type_create_instance+0x268
>> libgobject-2.0.so.0.800.3`g_object_constructor+0x18
>>
>>Lorenzo's document,http://www.gnome.org/~lcolitti/gnome-startup/analysis/,
>>refers to an icon cache.
>>
>>Is the icon cache in GNOME 2.12 and is it supposed to address this problem?
>>
>>Padraig
>>
>>
>
>The icon cache is in 2.12, but what you are seeing here is not covered
>by it. This looks like gtk theme which reassigns a lot of stock icons in
>its gtkrc file, like this:
>
> stock["gnome-stock-about"] = {{ "stock_about.png" }}
> stock["gnome-stock-volume"] = {{ "stock_volume.png" }}
> stock["gnome-stock-mic"] = {{ "stock_mic.png" }}
>
>Can you show us the gtkrc file thats being used here ?
>
>
It looks like the file is /usr/share/themes/blueprint/gtk-2.0, which I
have attached.
Do you have any recommendations on changes to this file which would
speed things up?
Padraig
>Matthias
>
>
>
pixmap_path "/usr/share/icons/blueprint/stock/16x16:/usr/share/icons/blueprint/stock/20x20:/usr/share/icons/blueprint/stock/24x24:/usr/share/icons/blueprint/stock/48x48:/usr/share/icons/blueprint/stock/32x32:/usr/share/icons/blueprint/48x48/apps"
style "icon-style"
{
stock["gtk-apply"] = {{ "stock_apply_20.png", *, *, *}}
stock["gtk-cancel"] = {{ "stock_cancel_20.png", *, *, * }}
stock["gtk-cdrom"] = {{ "stock_cdrom_16.png", *, *, "gtk-menu"},
{ "stock_cdrom_24.png", *, *, *}}
stock["gtk-close"] = {{ "stock_close_20.png", *, *, "gtk-button"},
{ "stock_close_24.png", *, *, *}}
stock["gtk-copy"] = {{ "stock_copy_16.png", *, *, "gtk-menu"},
{ "stock_copy_24.png", *, *, *}}
stock["gtk-delete"] = {{ "stock_trash_16.png", *, *, "gtk-menu"},
{ "stock_trash_24.png", *, *, *}}
stock["gtk-dialog-authentication"] = {{ "stock_dialog_authentication_48.png", *, *, *}}
stock["gtk-dialog-error"] = {{ "stock_dialog_error_48.png", *, *, *}}
stock["gtk-dialog-info"] = {{ "stock_dialog_info_48.png", *, *, *}}
stock["gtk-dialog-question"] = {{ "stock_dialog_question_48.png", *, *, *}}
stock["gtk-dialog-warning"] = {{ "stock_dialog_warning_48.png", *, *, *}}
stock["gtk-dnd-multiple"] = {{ "stock_dnd_multiple_32.png", *, *, *}}
stock["gtk-dnd"] = {{ "stock_dnd_32.png", *, *, *}}
stock["gtk-execute"] = {{ "stock_exec_16.png", *, *, "gtk-menu"},
{ "stock_exec_24.png", *, *, *}}
stock["gtk-find"] = {{ "stock_search_16.png", *, *, "gtk-menu"},
{ "stock_search_24.png", *, *, *}}
stock["gtk-floppy"] = {{ "stock_save_16.png", *, *, "gtk-menu"},
{ "stock_save_24.png", *, *, *}}
stock["gtk-go-back"] = {{ "stock_left_arrow_16.png", *, *, "gtk-menu"},
{ "stock_left_arrow_24.png", *, *, *}}
stock["gtk-go-down"] = {{ "stock_down_arrow_16.png", *, *, "gtk-menu"},
{ "stock_down_arrow_24.png", *, *, *}}
stock["gtk-go-forward"] = {{ "stock_right_arrow_16.png", *, *, "gtk-menu"},
{ "stock_right_arrow_24.png", *, *, *}}
stock["gtk-goto-bottom"] = {{ "stock_bottom_16.png", *, *, "gtk-menu"},
{ "stock_bottom_24.png", *, *, *}}
stock["gtk-goto-first"] = {{ "stock_first_16.png", *, *, "gtk-menu"},
{ "stock_first_24.png", *, *, *}}
stock["gtk-goto-last"] = {{ "stock_last_16.png", *, *, "gtk-menu"},
{ "stock_last_24.png", *, *, *}}
stock["gtk-goto-top"] = {{ "stock_top_16.png", *, *, "gtk-menu"},
{ "stock_top_24.png", *, *, *}}
stock["gtk-go-up"] = {{ "stock_up_arrow_16.png", *, *, "gtk-menu"},
{ "stock_up_arrow_24.png", *, *, *}}
stock["gtk-help"] = {{ "stock_help_16.png", *, *, "gtk-menu"},
{ "stock_help_24.png", *, *, *}}
stock["gtk-home"] = {{ "stock_home_16.png", *, *, "gtk-menu"},
{ "stock_home_24.png", *, *, *}}
stock["gtk-jump-to"] = {{ "stock_jump_to_rtl_16.png", RTL, *, "gtk-menu"},
{ "stock_jump_to_16.png", *, *, "gtk-menu"},
{ "stock_jump_to_rtl_24.png", RTL, *, *},
{ "stock_jump_to_24.png", *, *, *}}
stock["gtk-missing-image"] = {{ "stock_broken_image_16.png", *, *, "gtk-menu"},
{ "stock_broken_image_24.png", *, *, *}}
stock["gtk-network"] = {{ "stock_network_16.png", *, *, "gtk-menu"},
{ "stock_network_24.png", *, *, *}}
stock["gtk-new"] = {{ "stock_new_16.png", *, *, "gtk-menu"},
{ "stock_new_24.png", *, *, *}}
stock["gtk-no"] = {{ "stock_no_20.png", *, *, * }}
stock["gtk-ok"] = {{ "stock_ok_20.png", *, *, * }}
stock["gtk-open"] = {{ "stock_open_16.png", *, *, "gtk-menu"},
{ "stock_open_24.png", *, *, *}}
stock["gtk-preferences"] = {{ "stock_preferences_16.png", *, *, "gtk-menu"},
{ "stock_preferences_24.png", *, *, *}}
stock["gtk-print"] = {{ "stock_print_16.png", *, *, "gtk-menu"},
{ "stock_print_24.png", *, *, *}}
stock["gtk-print-preview"] = {{ "stock_print_preview_16.png", *, *, "gtk-menu"},
{ "stock_print_preview_24.png", *, *, *}}
stock["gtk-quit"] = {{ "stock_exit_16.png", *, *, "gtk-menu"},
{ "stock_exit_24.png", *, *, *}}
stock["gtk-redo"] = {{ "stock_redo_rtl_16.png", RTL, *, "gtk-menu"},
{ "stock_redo_16.png", *, *, "gtk-menu"},
{ "stock_redo_rtl_24.png", RTL, *, *},
{ "stock_redo_24.png", *, *, *}}
stock["gtk-refresh"] = {{ "stock_refresh_16.png", *, *, "gtk-menu"},
{ "stock_refresh_24.png", *, *, *}}
stock["gtk-revert-to-saved"] = {{ "stock_revert_rtl_16.png", RTL, *, "gtk-menu"},
{ "stock_revert_16.png", *, *, "gtk-menu"},
{ "stock_revert_rtl_24.png", RTL, *, *},
{ "stock_revert_24.png", *, *, *}}
stock["gtk-save-as"] = {{ "stock_save_as_16.png", *, *, "gtk-menu"},
{ "stock_save_as_24.png", *, *, *}}
stock["gtk-save"] = {{ "stock_save_16.png", *, *, "gtk-menu"},
{ "stock_save_24.png", *, *, *}}
stock["gtk-spell-check"] = {{ "stock_spellcheck_16.png", *, *, "gtk-menu"},
{ "stock_spellcheck_24.png", *, *, *}}
stock["gtk-stop"] = {{ "stock_stop_16.png", *, *, "gtk-menu"},
{ "stock_stop_24.png", *, *, *}}
stock["gtk-undelete"] = {{ "stock_undelete_rtl_16.png", RTL, *, "gtk-menu"},
{ "stock_undelete_16.png", *, *, "gtk-menu"},
{ "stock_undelete_rtl_24.png", RTL, *, *},
{ "stock_undelete_24.png", *, *, *}}
stock["gtk-undo"] = {{ "stock_undo_rtl_16.png", RTL, *, "gtk-menu"},
{ "stock_undo_16.png", *, *, "gtk-menu"},
{ "stock_undo_rtl_24.png", RTL, *, *},
{ "stock_undo_24.png", *, *, *}}
stock["gtk-yes"] = {{ "stock_yes_20.png", *, *, * }}
stock["panel-my-computer"] = {{ "my-computer.png", *, *, * }}
}
class "GtkWidget" style "icon-style"
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