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bug#17771: 24.3.91; SIGSEGV in cleanup_vector
From: |
Dmitry Antipov |
Subject: |
bug#17771: 24.3.91; SIGSEGV in cleanup_vector |
Date: |
Tue, 17 Jun 2014 06:09:26 +0400 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 |
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.
Dmitry
- bug#17771: 24.3.91; SIGSEGV in cleanup_vector, (continued)
- bug#17771: 24.3.91; SIGSEGV in cleanup_vector, Stephen Berman, 2014/06/17
- 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 <=
- bug#17771: 24.3.91; SIGSEGV in cleanup_vector, Stephen Berman, 2014/06/17
- 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