On 7/24/2017 7:50 PM, hauptmech wrote: > > I haven't learned enough about the KIWAY to trace the events from pcbnew > to eeschema yet. > > I'd be curious is this is reproducible in other systems. Easy to test on > linux using the perf tool https://perf.wiki.kernel.org/index.php/Main_Page > > 1) run kicad, open a pcb and schematic of any size. > 2) in a terminal run > perf record -g -p $(pidof kicad) > 3) pan and zoom the pcb continuously for a statistically significant > time (about 15-30 sec works for me).
This makes even less sense. Why would the schematic sheet list need to be rebuilt while panning and zooming a board in pcbnew? I'm assuming that this doesn't happen in the legacy canvas. > 4) CTRL C stop perf > 5) > perf report > > On a release build SCH_SHEET_LIST() or a sub function shows up at the top. > > > > On 25/07/17 10:25, Wayne Stambaugh wrote: >> On 7/24/2017 6:12 PM, hauptmech wrote: >>> Yeah, it's weird since all I'm doing when collecting perf data is >>> zooming and panning the pcb, (with eeschema open). A root page and 11 >>> sub pages at the next level. Roughly 800 components and 2000 wires. >>> >>> Probably something somewhere is instantiating a new SCH_SHEET_LIST >>> (which then has to chew through each and every schematic item to find >>> the sheets) on every event? >> This is even more disturbing. When did we start building the sheet list >> in pcbnew and more importantly why? >> >>> >>> >>> On 25/07/17 01:59, Wayne Stambaugh wrote: >>>> On 7/23/2017 7:36 PM, hauptmech wrote: >>>>> I'm getting a distracting amount of lag when panning and zooming with >>>>> GAL. Perf reports TOOL_MANAGER::dispatchInternal and, when eeschema is >>>>> open, SCH_SHEET_LIST::BuildSheetList, as the main time sinks. >>>> Given that all BuildSheetList does is create a list of unique sheets in >>>> a schematic, I find it difficult to believe that you would have that >>>> many sheets (hierarchical or otherwise) that would cause a performance >>>> hit. How many sheets does your design have and how deeply are they >>>> nested? >>>> >>>>> Anyone have any hints for me improve this? >>>>> >>>>> In general I'm getting the impression that the design I'm working >>>>> on is >>>>> a bit more complex than the developers normally test on. I'll see >>>>> if my >>>>> client will allow a sanitized version of this board to go into /demos. >>>>> >>>>> -hauptmech >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> _______________________________________________ >>>>> Mailing list: https://launchpad.net/~kicad-developers >>>>> Post to : [email protected] >>>>> Unsubscribe : https://launchpad.net/~kicad-developers >>>>> More help : https://help.launchpad.net/ListHelp >>>> _______________________________________________ >>>> Mailing list: https://launchpad.net/~kicad-developers >>>> Post to : [email protected] >>>> Unsubscribe : https://launchpad.net/~kicad-developers >>>> More help : https://help.launchpad.net/ListHelp >>> >>> >>> _______________________________________________ >>> Mailing list: https://launchpad.net/~kicad-developers >>> Post to : [email protected] >>> Unsubscribe : https://launchpad.net/~kicad-developers >>> More help : https://help.launchpad.net/ListHelp >> >> _______________________________________________ >> Mailing list: https://launchpad.net/~kicad-developers >> Post to : [email protected] >> Unsubscribe : https://launchpad.net/~kicad-developers >> More help : https://help.launchpad.net/ListHelp > > > > _______________________________________________ > Mailing list: https://launchpad.net/~kicad-developers > Post to : [email protected] > Unsubscribe : https://launchpad.net/~kicad-developers > More help : https://help.launchpad.net/ListHelp _______________________________________________ Mailing list: https://launchpad.net/~kicad-developers Post to : [email protected] Unsubscribe : https://launchpad.net/~kicad-developers More help : https://help.launchpad.net/ListHelp
