From mboxrd@z Thu Jan 1 00:00:00 1970 From: Will Cohen Date: Tue, 26 Aug 2003 22:02:58 +0000 Subject: Re: [PATCH] ia64 oprofile support for 2.6.0-test4 Message-Id: List-Id: References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-ia64@vger.kernel.org David Mosberger wrote: >>>>>>On Tue, 26 Aug 2003 17:19:14 -0400, Will Cohen said: >>>>> > > Will> For OProfile it didn't make a difference, but for the > Will> histograms it is wasteful. I didn't think about the impact on > Will> the traditional histogram. > > You can't just break existing data formats for absolutely no reason. > > Will> Do the histogram analysis tools currently handle > > Yes. For example, I use "readprofile -b" from time to time to get > instruction-level histograms. > > Will> the fiction of bundle instruction 0 at address ending in 0, > Will> bundle instruction 1 ending in 4, and bundle instruction 2 in > Will> 8? GDB doesn't. > > And encoding the slot number in bits 0 and 1 is somehow less > fictitious? ;-) They are equally fictitious. I just happen to pick the wrong one. I changed the patch to be compatible with the existing data format used for the kernel profiling. -Will