Corey, Will do as you suggested. I think it is already out in the minimal perfmon.
On Thu, Jul 17, 2008 at 10:33 PM, Corey J Ashford <[EMAIL PROTECTED]> wrote: > Hi Stephane, > > On POWER, the interrupting PMDs start at 1. This was how I noticed it was > off because a loop was looking to see if register 0 has an interrupt > pending. > > On Cell, the first interrupting PMD is register 0. > > You could get rid of it, but since the fix is pretty simple, maybe we should > live with it for now in the full perfmon2, but get rid of it for the minimal > kernel. > > - Corey > > Corey Ashford > Software Engineer > IBM Linux Technology Center, Linux Toolchain > Beaverton, OR > 503-578-3507 > [EMAIL PROTECTED] > > > "stephane eranian" <[EMAIL PROTECTED]> wrote on 07/17/2008 12:56:16 PM: > >> Corey, >> >> >> There was indeed an initialization problem. Everybody got lucky. If >> the value is zero, then one some >> PMUs you may end up iterating some more in the interrupt handler. >> Given that for most PMU models, >> PMD registers start at index zero, I am thinking we should get rid of >> this field. It is only on Itanium that >> useful data registers start at 4. >> >> What about Power and Cell? >> >> >> On Thu, Jul 17, 2008 at 9:12 PM, Corey Ashford <[EMAIL PROTECTED]> >> wrote: >> > Hello, >> > >> > In debugging a multiplexing problem on perfmon2 for POWER, I discovered >> > that >> > first_intr_pmd in the pfm_regdesc structure is not initialized anywhere >> > (that I can find). This patch adds the code to initialize >> > first_intr_pmd to >> > pfm_pmu_regdesc_init(). >> > >> > - Corey >> > >> > >> > -- >> > Corey Ashford >> > Software Engineer >> > IBM Linux Technology Center, Linux Toolchain >> > Beaverton, OR >> > 503-578-3507 >> > [EMAIL PROTECTED] >> > > ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ perfmon2-devel mailing list perfmon2-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/perfmon2-devel
