Re: message takes very long time to display

On Fri, 25 Apr 2008 00:25:21 +0200 Vadim Zeitlin <[email protected]> wrote:

VZ>  Just tried it and it seems relatively speedy to me (there is some delay
VZ> but <1 second I'd say). How long is "very long"?

18 seconds.

VZ> Does it still happen?

Yes.

VZ> if it does with wx trunk then I guess we have a string algorithm somewhere
VZ> which uses direct string access and so is O(N^2) now instead of O(N)... In
VZ> this case it would be really useful if you could run M under debugger and
VZ> break into it to check where exactly is it looping.

Program received signal SIGINT, Interrupt.
[Switching to Thread -1217218864 (LWP 23707)]
0x0807a99a in wxStringOperationsUtf8::IncIter<wxStringImpl::const_iterator> (
    i=@0xbfe59214) at /a/M/wxWindows.29/wxWidgets/include/wx/stringops.h:80
80              i += ms_utf8IterTable[(unsigned char)*i];
Missing separate debuginfos, use: debuginfo-install atk.i386 audit.i386 cairo.i
86 expat.i386 fontconfig.i386 freetype.i386 gail.i386 gcc.i386 glib2.i386 glibc
i686 gtk-nodoka-engine.i386 gtk2.i386 libICE.i386 libSM.i386 libX11.i386 libXau
i386 libXcomposite.i386 libXcursor.i386 libXdmcp.i386 libXext.i386 libXfixes.i3
6 libXi.i386 libXinerama.i386 libXrandr.i386 libXrender.i386 libXxf86vm.i386 li
art_lgpl.i386 libgnomecanvas.i386 libgnomeprint22.i386 libgnomeprintui22.i386 l
bjpeg.i386 libpng.i386 libtiff.i386 libxcb.i386 libxml2.i386 pam.i386 pango.i38
 zlib.i386
(gdb) bt
#0  0x0807a99a in wxStringOperationsUtf8::IncIter<wxStringImpl::const_iterator>
    (i=@0xbfe59214) at /a/M/wxWindows.29/wxWidgets/include/wx/stringops.h:80
#1  0x0807aa1d in wxStringOperationsUtf8::DiffIters<wxStringImpl::const_iterator> (i1={m_ptr = 0xa8f978c ""}, i2=
      {m_ptr = 0xa8c5122 " of \"this might be\r\n    possible in theory\", and I'm violently opposed to it. So far, I have not\r\n    heard a single argument that I consider even _remotely_ likely.\r\n\r\n    The thing is, even if you c"...}) at /a/M/wxWindows.29/wxWidgets/include/wx/stringops.h:135
#2  0xb7cf10fe in wxString::const_iterator::operator- (this=0xbfe59268, 
    i=@0xbfe59250) at ../wxWidgets/include/wx/string.h:693
#3  0xb7cf1153 in wxString::length (this=0xbfe59314)
    at ../wxWidgets/include/wx/string.h:1047
#4  0xb7d833a4 in wxString::compare (this=0xa7f1ccc, nStart=0, nLen=2, 
    str=@0xbfe59314, nStart2=0, nLen2=2)
    at ../wxWidgets/src/common/string.cpp:737
#5  0x080f0189 in wxStrncmp_String<wchar_t const*> (s1=@0xa7f1ccc, 
    s2=@0xbfe59350, n=2) at /a/M/wxWindows.29/wxWidgets/include/wx/wxcrt.h:473
#6  0x080f01bd in wxStrncmp (s1=0xb4c13efc, s2=@0xa7f1ccc, n=2)
    at /a/M/wxWindows.29/wxWidgets/include/wx/wxcrt.h:474
#7  0x080efbc5 in CountQuoteLevel (string=0xb4c13efc, max_white=2, 
    max_alpha=3, quoteData=@0xbfe59478) at .src/classes/QuotedText.cpp:186
#8  0x08276c32 in QuoteURLFilter::GetQuotedLevel (this=0xa63b7a8, 
    line=0xb4c13efc, quoteData=@0xbfe59478)
    at .src/modules/viewflt/QuoteURL.cpp:227
#9  0x08276d39 in QuoteURLFilter::DoProcess (this=0xa63b7a8, text=@0xbfe59614, 
    viewer=0xa687f50, style=@0xbfe5990c)
    at .src/modules/viewflt/QuoteURL.cpp:294
#10 0x080d3b70 in ViewFilter::Process (this=0xa63b7a8, text=@0xbfe59614, 
    viewer=0xa687f50, style=@0xbfe5990c) at /a/M/M/include/ViewFilter.h:115
#11 0x08277e9d in SignatureFilter::DoProcess (this=0xa63aff8, 
    text=@0xbfe59614, viewer=0xa687f50, style=@0xbfe5990c)
    at .src/modules/viewflt/Signature.cpp:210
#12 0x080d3b70 in ViewFilter::Process (this=0xa63aff8, text=@0xbfe59614, 
    viewer=0xa687f50, style=@0xbfe5990c) at /a/M/M/include/ViewFilter.h:115
#13 0x0827a120 in UUDecodeFilter::DoProcess (this=0xa637b98, text=@0xbfe59a34, 
    viewer=0xa687f50, style=@0xbfe5990c)
    at .src/modules/viewflt/UUDecode.cpp:344
#14 0x080d3b70 in ViewFilter::Process (this=0xa637b98, text=@0xbfe59a34, 
    viewer=0xa687f50, style=@0xbfe5990c) at /a/M/M/include/ViewFilter.h:115
#15 0x080d3b9f in ViewFilter::Process (this=0xa63b448, text=@0xbfe59a34, 
    viewer=0xa687f50, style=@0xbfe5990c) at /a/M/M/include/ViewFilter.h:117
#16 0x08278f4f in TrailerFilter::DoProcess (this=0xa639a58, text=@0xbfe59a34, 
    viewer=0xa687f50, style=@0xbfe5990c)
    at .src/modules/viewflt/Trailer.cpp:159
#17 0x080d3b70 in ViewFilter::Process (this=0xa639a58, text=@0xbfe59a34, 
    viewer=0xa687f50, style=@0xbfe5990c) at /a/M/M/include/ViewFilter.h:115
#18 0x08278e16 in TrailerFilter::DoProcess (this=0xa639a58, text=@0xbfe59a34, 
    viewer=0xa687f50, style=@0xbfe5990c)
    at .src/modules/viewflt/Trailer.cpp:114
#19 0x080d3b70 in ViewFilter::Process (this=0xa639a58, text=@0xbfe59a34, 
    viewer=0xa687f50, style=@0xbfe5990c) at /a/M/M/include/ViewFilter.h:115
#20 0x080d0e38 in MessageView::ShowText (this=0xa5ea138, textPart=@0xbfe59a34, 
    textEnc=wxFONTENCODING_ISO8859_1) at .src/classes/MessageView.cpp:1995
#21 0x080d0eae in MessageView::ShowTextPart (this=0xa5ea138, 
    mimepart=0xa5db670) at .src/classes/MessageView.cpp:1912
#22 0x080d1657 in MessageView::ShowPart (this=0xa5ea138, mimepart=0xa5db670)
    at .src/classes/MessageView.cpp:2256
#23 0x080d17e5 in MessageView::ProcessPart (this=0xa5ea138, 
    mimepart=0xa5db670, action=MessageView::Part_Show)
    at .src/classes/MessageView.cpp:2645
#24 0x080d1a14 in MessageView::DisplayMessageInViewer (this=0xa5ea138)
    at .src/classes/MessageView.cpp:3008
#25 0x080d1b40 in MessageView::Update (this=0xa5ea138)
    at .src/classes/MessageView.cpp:2952
#26 0x080d1e04 in MessageView::DoShowMessage (this=0xa5ea138, 
    mailMessage=0xa745d80) at .src/classes/MessageView.cpp:3873
#27 0x0818d131 in wxMessageView::DoShowMessage (this=0xa5ea138, 
    mailMessage=0xa745d80) at .src/gui/wxMessageView.cpp:225
#28 0x080c7cc4 in MessageView::OnASFolderResultEvent (this=0xa5ea138, 
    event=@0xa67fee8) at .src/classes/MessageView.cpp:1098
#29 0x080d259a in MessageView::OnMEvent (this=0xa5ea138, event=@0xa67fee8)
    at .src/classes/MessageView.cpp:1045
#30 0x080d72df in MEventManager::Dispatch (dataptr=0xa67fee8)
    at .src/classes/MEvent.cpp:195
#31 0x080d7374 in MEventManager::ForceDispatchPending ()
    at .src/classes/MEvent.cpp:145
#32 0x081461b1 in wxFolderView::ShowFolder (this=0xa5e49d8, mf=0xa685b80)
    at .src/gui/wxFolderView.cpp:4035
#33 0x08146b3d in wxFolderView::OpenFolder (this=0xa5e49d8, folder=0xa494488, 
    readonly=false) at .src/gui/wxFolderView.cpp:4204
#34 0x0816b140 in wxMainFrame::OpenFolder (this=0xa3830b8, pFolder=0xa494488, 
    readonly=false) at .src/gui/wxMainFrame.cpp:718
#35 0x080c2326 in MAppBase::ContinueStartup (this=0xa31929c)
    at .src/classes/MApplication.cpp:284
#36 0x080c359b in MAppBase::OnStartup (this=0xa31929c)
    at .src/classes/MApplication.cpp:631
#37 0x08173f6b in wxMApp::OnInit (this=0xa319158) at .src/gui/wxMApp.cpp:1153
#38 0x0817575c in wxAppConsoleBase::CallOnInit (this=0xa319158)
    at /a/M/wxWindows.29/wxWidgets/include/wx/app.h:77
#39 0xb7d4f10c in wxEntry (argc=@0xb7e8428c, argv=0xa304100)
    at ../wxWidgets/src/common/init.cpp:450
#40 0xb7d4f205 in wxEntry (argc=@0xbfe5abf0, argv=0xbfe5ac74)
    at ../wxWidgets/src/common/init.cpp:478
#41 0x081756a4 in main (argc=Cannot access memory at address 0x1
) at .src/gui/wxMApp.cpp:347

Regards,
Nerijus

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