https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=6621
--- Comment #3 from Bill Meier <wmeier@xxxxxxxxxxx> 2012-04-18 07:49:27 PDT ---
(In reply to comment #2)
> (In reply to comment #1)
> > For me, simply launching Wireshark and immediately minimizing it w/out even
> > doing anything else uses 4-6% CPU. Just a guess, but could this be a gtk-ism
> > since Wireshark hands off control to gtk_main()? I'm also running GTK+ 2.22.1
> > on Windows XP x86. Perhaps a newer version uses less CPU while idle?
>
> Not sure if this is GTK-related or not, but the same CPU utilization of ~4-6%
> is present running on 32-bit Windows XP w/GTK+ 2.24.10.
Seems to be GTK related....
My environment; Windows 7 with SVN Wireshark.
Several snapshots of the Wireshark thread stack using Systinternals Process
Explorer
ntdll.dll!KiFastSystemCallRet
kernel32.dll!WaitForMultipleObjectsEx+0x8e
USER32.dll!GetWindowLongW+0x141
libglib-2.0-0.dll!g_pattern_match_simple+0xf9
libglib-2.0-0.dll!g_poll+0xd2
libglib-2.0-0.dll!g_main_context_dispatch+0x67a
libglib-2.0-0.dll!g_main_loop_run+0x125
libgtk-win32-2.0-0.dll!gtk_main+0xa0
...
ntdll.dll!KiFastSystemCallRet
libglib-2.0-0.dll!g_pattern_match_simple+0xf9
libglib-2.0-0.dll!g_poll+0xd2
libglib-2.0-0.dll!g_main_context_dispatch+0x67a
libglib-2.0-0.dll!g_main_loop_run+0x125
libgtk-win32-2.0-0.dll!gtk_main+0xa0
...
ntdll.dll!KiFastSystemCallRet
kernel32.dll!WaitForMultipleObjectsEx+0x8e
USER32.dll!GetWindowLongW+0x141
libglib-2.0-0.dll!g_pattern_match_simple+0xf9
libglib-2.0-0.dll!g_poll+0xd2
libglib-2.0-0.dll!g_main_context_dispatch+0x67a
libglib-2.0-0.dll!g_main_loop_run+0x125
libgtk-win32-2.0-0.dll!gtk_main+0xa0
...
libglib-2.0-0.dll!g_list_sort_with_data+0x17d
libglib-2.0-0.dll!g_main_context_dispatch+0x92d
libglib-2.0-0.dll!g_main_loop_run+0x125
libgtk-win32-2.0-0.dll!gtk_main+0xa0
...
ntdll.dll!KiFastSystemCallRet
libglib-2.0-0.dll!g_pattern_match_simple+0xf9
libglib-2.0-0.dll!g_poll+0xd2
libglib-2.0-0.dll!g_main_context_dispatch+0x67a
libglib-2.0-0.dll!g_main_loop_run+0x125
libgtk-win32-2.0-0.dll!gtk_main+0xa0
...
ntdll.dll!KiFastSystemCallRet
libglib-2.0-0.dll!g_pattern_match_simple+0xf9
libglib-2.0-0.dll!g_poll+0xd2
libglib-2.0-0.dll!g_main_context_dispatch+0x67a
libglib-2.0-0.dll!g_main_loop_run+0x125
libgtk-win32-2.0-0.dll!gtk_main+0xa0
...
ntdll.dll!RtlEnterCriticalSection+0x17
libgthread-2.0-0.dll+0x19d7
libglib-2.0-0.dll!g_source_get_time+0x61
libglib-2.0-0.dll!g_source_get_time+0x13e
libglib-2.0-0.dll!g_main_context_check+0x1f4
libglib-2.0-0.dll!g_main_context_dispatch+0x7c9
libglib-2.0-0.dll!g_main_loop_run+0x125
libgtk-win32-2.0-0.dll!gtk_main+0xa0
...
libglib-2.0-0.dll!g_list_sort_with_data+0x19
libglib-2.0-0.dll!g_main_context_dispatch+0x92d
libglib-2.0-0.dll!g_main_loop_run+0x125
libgtk-win32-2.0-0.dll!gtk_main+0xa0
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