[Xastir-Dev] Re: Re: CPU still too busy for the wrong reasons
Tom Russo
russo at bogoflux.losalamos.nm.us
Fri Nov 28 21:53:54 EST 2003
On Fri, Nov 28, 2003 at 06:50:34PM -0700, a Mr. Richard Feyler of Fort Lee, New Jersey <russo at bogoflux.losalamos.nm.us> writes 'Dear Rosanne Rosannadanna':
> There were also a very huge number of calls to various pthread-related
> calls: I'm out of practice reading gprof output, but it looks like
> over 70 million calls to pthread_mutex_lock. Remember, this is in a 3 minute
> run of xastir, with one internet server interface turned on.
Actually, this was a sign of my being out of practice reading gprof output.
Turns out that the 70 million calls were to a descendent of pthread_mutex_lock
(among others) called "spinlock_debug" --- pthread_mutex_lock was only called
about 230k times.
--
Tom Russo KM5VY SAR502 DM64ux http://www.swcp.com/~russo/
Tijeras, NM QRPL#1592 K2#398 SOC#236 AHTB#1 http://www.qsl.net/~km5vy/
echo "prpv_a'rfg_cnf_har_cvcr" | sed -e 's/_/ /g' | tr [a-m][n-z] [n-z][a-m]
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