Message ID | 20211109115020.31623-1-german.gomez@arm.com (mailing list archive) |
---|---|
Headers | show |
Series | perf arm-spe: Track pid/tid for Arm SPE samples | expand |
Hi Arnaldo, On Tue, Nov 09, 2021 at 11:50:16AM +0000, German Gomez wrote: > The following patchset is an iteration on RFC [1] where pid/tid info is > assigned to the Arm SPE synthesized samples. Two methods of tracking > pids are considered: hardware-based (using Arm SPE CONTEXT packets), and > context-switch events (from perf) as fallback. > > - Patch #1 enables pid tracking using RECORD_SWITCH* events from perf. > - Patch #2 updates perf-record documentation and arm-spe recording so > that they are consistent. > - Patch #3 saves the value of SPE CONTEXT packet to the arm_spe_record > struct. > - Patch #4 enables hardware-based pid tracking using SPE CONTEXT > packets. I have tested this patch set, it works well on Hisilicon D06 board, please consider to pick up. Thanks! Leo
On Thu, Nov 11, 2021 at 03:27:14PM +0800, Leo Yan wrote: > Hi Arnaldo, > > On Tue, Nov 09, 2021 at 11:50:16AM +0000, German Gomez wrote: > > The following patchset is an iteration on RFC [1] where pid/tid info is > > assigned to the Arm SPE synthesized samples. Two methods of tracking > > pids are considered: hardware-based (using Arm SPE CONTEXT packets), and > > context-switch events (from perf) as fallback. > > > > - Patch #1 enables pid tracking using RECORD_SWITCH* events from perf. > > - Patch #2 updates perf-record documentation and arm-spe recording so > > that they are consistent. > > - Patch #3 saves the value of SPE CONTEXT packet to the arm_spe_record > > struct. > > - Patch #4 enables hardware-based pid tracking using SPE CONTEXT > > packets. > > I have tested this patch set, it works well on Hisilicon D06 board, > please consider to pick up. Thanks! Hi Arnaldo, Please hold on this version and German will respin a new patch set for a found issue. Thanks, Leo
Em Thu, Nov 11, 2021 at 09:26:47PM +0800, Leo Yan escreveu: > On Thu, Nov 11, 2021 at 03:27:14PM +0800, Leo Yan wrote: > > Hi Arnaldo, > > > > On Tue, Nov 09, 2021 at 11:50:16AM +0000, German Gomez wrote: > > > The following patchset is an iteration on RFC [1] where pid/tid info is > > > assigned to the Arm SPE synthesized samples. Two methods of tracking > > > pids are considered: hardware-based (using Arm SPE CONTEXT packets), and > > > context-switch events (from perf) as fallback. > > > > > > - Patch #1 enables pid tracking using RECORD_SWITCH* events from perf. > > > - Patch #2 updates perf-record documentation and arm-spe recording so > > > that they are consistent. > > > - Patch #3 saves the value of SPE CONTEXT packet to the arm_spe_record > > > struct. > > > - Patch #4 enables hardware-based pid tracking using SPE CONTEXT > > > packets. > > > > I have tested this patch set, it works well on Hisilicon D06 board, > > please consider to pick up. Thanks! > > Hi Arnaldo, > > Please hold on this version and German will respin a new patch set for > a found issue. Ok - Arnaldo