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bug#17771: 24.3.91; SIGSEGV in cleanup_vector
From: |
Stephen Berman |
Subject: |
bug#17771: 24.3.91; SIGSEGV in cleanup_vector |
Date: |
Tue, 17 Jun 2014 15:41:34 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.3.91 (gnu/linux) |
On Tue, 17 Jun 2014 06:09:26 +0400 Dmitry Antipov <dmantipov@yandex.ru> wrote:
> On 06/17/2014 01:33 AM, Stephen Berman wrote:
>
>> 36.00% emacs libfontconfig.so.1.8.0 [.] 0x000000000001f643
>> 31.34% emacs libc-2.18.so [.] __strchr_sse2
>> 6.78% emacs [kernel.kallsyms] [k] 0xffffffff8103aef6
>> 4.12% emacs libz.so.1.2.8 [.] 0x0000000000007cc6
>> 1.15% emacs libfontconfig.so.1.8.0 [.]
>> FcCharSetSubtractCount
>
> Please also install fontconfig-debuginfo package to get all libfontconfig.so
> samples resolved to function names.
>
> Just for the record, I'm seeing the following:
>
> 6.68% emacs libc-2.18.so [.] _IO_getc
> 3.90% emacs emacs [.] mark_object
> 2.73% emacs emacs [.]
> decode_coding_iso_2022
> 2.46% emacs emacs [.] exec_byte_code
> 1.76% emacs libgobject-2.0.so.0.3800.2 [.]
> g_type_check_instance_is_a
> 1.65% emacs ld-2.18.so [.] do_lookup_x
> 1.31% emacs libglib-2.0.so.0.3800.2 [.] g_private_get_impl
> 1.29% emacs libc-2.18.so [.] __strchr_sse2
> 1.29% emacs libfontconfig.so.1.8.0 [.] FcCompareFamily
> 1.22% emacs libc-2.18.so [.] _int_malloc
> 1.20% emacs libX11.so.6.3.0 [.] parsestringfile
> 1.19% emacs emacs [.] mark_char_table
> 1.18% emacs libfontconfig.so.1.8.0 [.]
> FcStrCaseWalkerNext.part.3
> 1.17% emacs libfontconfig.so.1.8.0 [.] __popcountdi2
> 1.12% emacs libglib-2.0.so.0.3800.2 [.] g_mutex_get_impl
> 1.02% emacs libc-2.18.so [.] malloc
>
> Probably there is a bottleneck in fontconfig which can't scale from hundreds
> to
> thousands of fonts well enough.
With fontconfig-debuginfo installed I get this:
33.61% emacs libc-2.18.so [.] __strchr_sse2
15.77% emacs libfontconfig.so.1.8.0 [.]
FcStrCaseWalkerNext.part.3
4.75% emacs [kernel.kallsyms] [k] 0xffffffff8103aef6
4.21% emacs libz.so.1.2.8 [.] 0x0000000000007b2d
4.18% emacs libfontconfig.so.1.8.0 [.] FcPatternObjectPosition
2.91% emacs libfontconfig.so.1.8.0 [.] __popcountdi2
2.47% emacs libfontconfig.so.1.8.0 [.]
FcStrCmpIgnoreCaseAndDelim
1.95% emacs libfontconfig.so.1.8.0 [.] FcConfigPromote.isra.0
1.79% emacs libfontconfig.so.1.8.0 [.] FcListPatternMatchAny
1.63% emacs libfontconfig.so.1.8.0 [.] FcStrCaseWalkerNext
1.05% emacs libfontconfig.so.1.8.0 [.] FcCharSetSubtractCount
1.00% emacs libfontconfig.so.1.8.0 [.] FcConfigCompareValue
0.87% emacs libfontconfig.so.1.8.0 [.] FcValueCanonicalize
0.85% emacs libc-2.18.so [.] memset
0.83% emacs libfontconfig.so.1.8.0 [.] FcCompareValueList
0.76% emacs libfontconfig.so.1.8.0 [.] strchr@plt
0.73% emacs libfreetype.so.6.10.2 [.] 0x000000000005f039
0.66% emacs libfreetype.so.6.10.2 [.] FT_Stream_ReadFields
0.63% emacs emacs [.] hash_string
0.58% emacs emacs [.] mark_object
0.58% emacs libz.so.1.2.8 [.] inflate
0.52% emacs emacs [.] sxhash_combine
0.51% emacs libfontconfig.so.1.8.0 [.] FcPatternObjectFindElt
0.50% emacs libfontconfig.so.1.8.0 [.] FcFontSetList
0.48% emacs emacs [.] ftfont_get_fc_charset
0.46% emacs libc-2.18.so [.] __memcpy_sse2_unaligned
0.43% emacs libfontconfig.so.1.8.0 [.] FcCompareFamily
0.42% emacs libfontconfig.so.1.8.0 [.] FcCharSetFindLeafForwar
0.41% emacs libc-2.18.so [.] _int_malloc
Let me know if you want the whole output.
Steve Berman
- bug#17771: 24.3.91; SIGSEGV in cleanup_vector, (continued)
- bug#17771: 24.3.91; SIGSEGV in cleanup_vector, Wolfgang Jenkner, 2014/06/18
- bug#17771: 24.3.91; SIGSEGV in cleanup_vector, Stephen Berman, 2014/06/18
- bug#17771: 24.3.91; SIGSEGV in cleanup_vector, Dmitry Antipov, 2014/06/18
- bug#17771: 24.3.91; SIGSEGV in cleanup_vector, Stephen Berman, 2014/06/18
- bug#17771: 24.3.91; SIGSEGV in cleanup_vector, Dmitry Antipov, 2014/06/18
- bug#17771: 24.3.91; SIGSEGV in cleanup_vector, Stephen Berman, 2014/06/18
- bug#17771: 24.3.91; SIGSEGV in cleanup_vector, Stephen Berman, 2014/06/16
- bug#17771: 24.3.91; SIGSEGV in cleanup_vector, Dmitry Antipov, 2014/06/16
- bug#17771: 24.3.91; SIGSEGV in cleanup_vector, Stephen Berman, 2014/06/16
- bug#17771: 24.3.91; SIGSEGV in cleanup_vector, Dmitry Antipov, 2014/06/16
- bug#17771: 24.3.91; SIGSEGV in cleanup_vector,
Stephen Berman <=
- bug#17771: 24.3.91; SIGSEGV in cleanup_vector, Dmitry Antipov, 2014/06/17
- bug#17771: 24.3.91; SIGSEGV in cleanup_vector, Stephen Berman, 2014/06/18