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From: "bschindler at inf dot ethz dot ch" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug gdb/10952] Single Stepping into functions is very slow when not setting LD_BIND_NOW env variable
Date: Fri, 13 Nov 2009 15:05:00 -0000 [thread overview]
Message-ID: <20091113150544.22168.qmail@sourceware.org> (raw)
In-Reply-To: <20091113143217.10952.bschindler@inf.ethz.ch>
------- Additional Comments From bschindler at inf dot ethz dot ch 2009-11-13 15:05 -------
Thanks to some help from pholklore___ on #gdb on freenode, I was able to produce
some output.
I enabled:
set debug infrun 1
And the output is like this (the last 100 lines, there were way more than this,
but they were all the same)
infrun: stop_pc = 0x7ffff7deecb6
infrun: stepped into dynsym resolve code
infrun: resume (step=1, signal=0), trap_expected=0
infrun: prepare_to_wait
infrun: target_wait (-1, status) =
infrun: 1703 [Thread 0x7ffff7e977c0 (LWP 1703)],
infrun: status->kind = stopped, signal = SIGTRAP
infrun: infwait_normal_state
infrun: TARGET_WAITKIND_STOPPED
infrun: stop_pc = 0x7ffff7deecb9
infrun: stepped into dynsym resolve code
infrun: resume (step=1, signal=0), trap_expected=0
infrun: prepare_to_wait
infrun: target_wait (-1, status) =
infrun: 1703 [Thread 0x7ffff7e977c0 (LWP 1703)],
infrun: status->kind = stopped, signal = SIGTRAP
infrun: infwait_normal_state
infrun: TARGET_WAITKIND_STOPPED
infrun: stop_pc = 0x7ffff7deecbd
infrun: stepped into dynsym resolve code
infrun: resume (step=1, signal=0), trap_expected=0
infrun: prepare_to_wait
infrun: target_wait (-1, status) =
infrun: 1703 [Thread 0x7ffff7e977c0 (LWP 1703)],
infrun: status->kind = stopped, signal = SIGTRAP
infrun: infwait_normal_state
infrun: TARGET_WAITKIND_STOPPED
infrun: stop_pc = 0x7ffff7deecc4
infrun: stepped into dynsym resolve code
infrun: resume (step=1, signal=0), trap_expected=0
infrun: prepare_to_wait
infrun: target_wait (-1, status) =
infrun: 1703 [Thread 0x7ffff7e977c0 (LWP 1703)],
infrun: status->kind = stopped, signal = SIGTRAP
infrun: infwait_normal_state
infrun: TARGET_WAITKIND_STOPPED
infrun: stop_pc = 0x7ffff7deecc7
infrun: stepped into dynsym resolve code
infrun: resume (step=1, signal=0), trap_expected=0
infrun: prepare_to_wait
infrun: target_wait (-1, status) =
infrun: 1703 [Thread 0x7ffff7e977c0 (LWP 1703)],
infrun: status->kind = stopped, signal = SIGTRAP
infrun: infwait_normal_state
infrun: TARGET_WAITKIND_STOPPED
infrun: stop_pc = 0x7ffff7deecc9
infrun: stepped into dynsym resolve code
infrun: resume (step=1, signal=0), trap_expected=0
infrun: prepare_to_wait
infrun: target_wait (-1, status) =
infrun: 1703 [Thread 0x7ffff7e977c0 (LWP 1703)],
infrun: status->kind = stopped, signal = SIGTRAP
infrun: infwait_normal_state
infrun: TARGET_WAITKIND_STOPPED
infrun: stop_pc = 0x7ffff7deecce
infrun: stepped into dynsym resolve code
infrun: resume (step=1, signal=0), trap_expected=0
infrun: prepare_to_wait
infrun: target_wait (-1, status) =
infrun: 1703 [Thread 0x7ffff7e977c0 (LWP 1703)],
infrun: status->kind = stopped, signal = SIGTRAP
infrun: infwait_normal_state
infrun: TARGET_WAITKIND_STOPPED
infrun: stop_pc = 0x7ffff7deecd2
infrun: stepped into dynsym resolve code
infrun: resume (step=1, signal=0), trap_expected=0
infrun: prepare_to_wait
infrun: target_wait (-1, status) =
infrun: 1703 [Thread 0x7ffff7e977c0 (LWP 1703)],
infrun: status->kind = stopped, signal = SIGTRAP
infrun: infwait_normal_state
infrun: TARGET_WAITKIND_STOPPED
infrun: stop_pc = 0x7ffff7deecd3
infrun: stepped into dynsym resolve code
infrun: resume (step=1, signal=0), trap_expected=0
infrun: prepare_to_wait
infrun: target_wait (-1, status) =
infrun: 1703 [Thread 0x7ffff7e977c0 (LWP 1703)],
infrun: status->kind = stopped, signal = SIGTRAP
infrun: infwait_normal_state
infrun: TARGET_WAITKIND_STOPPED
infrun: stop_pc = 0x7ffff7deecd4
infrun: stepped into dynsym resolve code
infrun: resume (step=1, signal=0), trap_expected=0
infrun: prepare_to_wait
infrun: target_wait (-1, status) =
infrun: 1703 [Thread 0x7ffff7e977c0 (LWP 1703)],
infrun: status->kind = stopped, signal = SIGTRAP
infrun: infwait_normal_state
infrun: TARGET_WAITKIND_STOPPED
infrun: stop_pc = 0x7ffff7df45a2
infrun: stepped into dynsym resolve code
infrun: resume (step=1, signal=0), trap_expected=0
infrun: prepare_to_wait
infrun: target_wait (-1, status) =
infrun: 1703 [Thread 0x7ffff7e977c0 (LWP 1703)],
infrun: status->kind = stopped, signal = SIGTRAP
infrun: infwait_normal_state
infrun: TARGET_WAITKIND_STOPPED
infrun: stop_pc = 0x7ffff7df45a5
infrun: stepped into dynsym resolve code
infrun: resume (step=1, signal=0), trap_expected=0
infrun: prepare_to_wait
infrun: target_wait (-1, status) =
infrun: 1703 [Thread 0x7ffff7e977c0 (LWP 1703)],
infrun: status->kind = stopped, signal = SIGTRAP
infrun: infwait_normal_state
infrun: TARGET_WAITKIND_STOPPED
infrun: stop_pc = 0x7ffff7df45aa
infrun: stepped into dynsym resolve code
infrun: resume (step=1, signal=0), trap_expected=0
infrun: prepare_to_wait
infrun: target_wait (-1, status) =
infrun: 1703 [Thread 0x7ffff7e977c0 (LWP 1703)],
infrun: status->kind = stopped, signal = SIGTRAP
infrun: infwait_normal_state
infrun: TARGET_WAITKIND_STOPPED
infrun: stop_pc = 0x7ffff7df45af
infrun: stepped into dynsym resolve code
infrun: resume (step=1, signal=0), trap_expected=0
infrun: prepare_to_wait
infrun: target_wait (-1, status) =
infrun: 1703 [Thread 0x7ffff7e977c0 (LWP 1703)],
infrun: status->kind = stopped, signal = SIGTRAP
infrun: infwait_normal_state
infrun: TARGET_WAITKIND_STOPPED
infrun: stop_pc = 0x7ffff7df45b4
infrun: stepped into dynsym resolve code
infrun: resume (step=1, signal=0), trap_expected=0
infrun: prepare_to_wait
infrun: target_wait (-1, status) =
infrun: 1703 [Thread 0x7ffff7e977c0 (LWP 1703)],
infrun: status->kind = stopped, signal = SIGTRAP
infrun: infwait_normal_state
infrun: TARGET_WAITKIND_STOPPED
infrun: stop_pc = 0x7ffff7df45b9
infrun: stepped into dynsym resolve code
infrun: resume (step=1, signal=0), trap_expected=0
infrun: prepare_to_wait
infrun: target_wait (-1, status) =
infrun: 1703 [Thread 0x7ffff7e977c0 (LWP 1703)],
infrun: status->kind = stopped, signal = SIGTRAP
infrun: infwait_normal_state
infrun: TARGET_WAITKIND_STOPPED
infrun: stop_pc = 0x7ffff7df45be
infrun: stepped into dynsym resolve code
infrun: resume (step=1, signal=0), trap_expected=0
infrun: prepare_to_wait
infrun: target_wait (-1, status) =
infrun: 1703 [Thread 0x7ffff7e977c0 (LWP 1703)],
infrun: status->kind = stopped, signal = SIGTRAP
infrun: infwait_normal_state
infrun: TARGET_WAITKIND_STOPPED
infrun: stop_pc = 0x7ffff7df45c3
infrun: stepped into dynsym resolve code
infrun: resume (step=1, signal=0), trap_expected=0
infrun: prepare_to_wait
infrun: target_wait (-1, status) =
infrun: 1703 [Thread 0x7ffff7e977c0 (LWP 1703)],
infrun: status->kind = stopped, signal = SIGTRAP
infrun: infwait_normal_state
infrun: TARGET_WAITKIND_STOPPED
infrun: stop_pc = 0x7ffff7df45c7
infrun: stepped into dynsym resolve code
infrun: resume (step=1, signal=0), trap_expected=0
infrun: prepare_to_wait
infrun: target_wait (-1, status) =
infrun: 1703 [Thread 0x7ffff7e977c0 (LWP 1703)],
infrun: status->kind = stopped, signal = SIGTRAP
infrun: infwait_normal_state
infrun: TARGET_WAITKIND_STOPPED
infrun: stop_pc = 0x7ffff7df45cb
infrun: stepped into dynsym resolve code
infrun: resume (step=1, signal=0), trap_expected=0
infrun: prepare_to_wait
infrun: target_wait (-1, status) =
infrun: 1703 [Thread 0x7ffff7e977c0 (LWP 1703)],
infrun: status->kind = stopped, signal = SIGTRAP
infrun: infwait_normal_state
infrun: TARGET_WAITKIND_STOPPED
infrun: stop_pc = 0x7fffe7b8afd4
infrun: stepped into subroutine
infrun: inserting step-resume breakpoint at 0x7fffe7b8afe0
infrun: resume (step=0, signal=0), trap_expected=0
infrun: prepare_to_wait
infrun: target_wait (-1, status) =
infrun: 1703 [Thread 0x7ffff7e977c0 (LWP 1703)],
infrun: status->kind = stopped, signal = SIGTRAP
infrun: infwait_normal_state
infrun: TARGET_WAITKIND_STOPPED
infrun: stop_pc = 0x7fffe7b8afe0
infrun: BPSTAT_WHAT_STEP_RESUME
infrun: stepped into subroutine
infrun: stop_stepping
--
http://sourceware.org/bugzilla/show_bug.cgi?id=10952
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next prev parent reply other threads:[~2009-11-13 15:05 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-11-13 14:32 [Bug gdb/10952] New: " bschindler at inf dot ethz dot ch
2009-11-13 15:05 ` bschindler at inf dot ethz dot ch [this message]
[not found] <bug-10952-4717@http.sourceware.org/bugzilla/>
2012-05-01 17:07 ` [Bug gdb/10952] " dje at google dot com
2012-05-01 17:49 ` dje at google dot com
2012-05-01 18:09 ` dje at google dot com
2012-05-02 9:55 ` palves at redhat dot com
2012-05-02 16:54 ` dje at google dot com
2012-05-03 15:36 ` palves at redhat dot com
2012-05-03 15:37 ` palves at redhat dot com
2012-05-07 11:00 ` cvs-commit at gcc dot gnu.org
2012-05-07 11:01 ` palves at redhat dot com
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