From: Daniel Jacobowitz <drow@false.org>
To: Luis Machado <luisgpm@linux.vnet.ibm.com>
Cc: Joel Brobecker <brobecker@adacore.com>, gdb-patches@sourceware.org
Subject: Re: [patch] Fix watch_thread_num testcase for ppc32
Date: Wed, 09 Jan 2008 12:48:00 -0000 [thread overview]
Message-ID: <20080109124806.GC27746@caradoc.them.org> (raw)
In-Reply-To: <1199871500.22083.29.camel@gargoyle>
On Wed, Jan 09, 2008 at 07:38:19AM -0200, Luis Machado wrote:
> The test will create a max of five threads, that will keep updating a
> shared variable.
Five threads looping without a CPU delay really messes up interactive
performance; that's why I reduced the thread count for schedlock.exp
recently.
> The reason why it times out is not really clear, i'm still
> investigating. When you hit continue in 32-bit, GDB seems to stand there
> doing something. It occurs from time to time. Sometimes it will stop due
> to the watchpoint, sometimes it will "lock". When you hit ctrl-C, it's
> clear that GDB is still executing the "nanosleep" function. That's what
> pointed me to usleep().
Sounds to me like a bug in GDB, not a problem with the test.
--
Daniel Jacobowitz
CodeSourcery
next prev parent reply other threads:[~2008-01-09 12:48 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-09 3:34 Luis Machado
2008-01-09 4:15 ` Joel Brobecker
2008-01-09 9:39 ` Luis Machado
2008-01-09 12:48 ` Daniel Jacobowitz [this message]
2008-01-09 12:55 ` Luis Machado
2008-01-09 10:05 ` Andreas Schwab
2008-01-09 11:07 ` Luis Machado
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