On Wed, Dec 05, 2012 at 05:04:12PM -0600, Jacob Shin wrote: > The following patchset enables 4 additional performance counters in > AMD family 15h processors that count northbridge events -- such as > number of DRAM accesses. > > This patchset is based on previous work done by Robert Richter > <[email protected]> : > > https://lkml.org/lkml/2012/6/19/324 > > The main differences are: > > * The northbridge counters are indexed contiguously right above the > core performance counters. > > * MSR address offset calculations are moved to architecture specific > files. > > * Interrups are set up to be delivered only to a single core. > > V4: > * Moved interrupt core select set up back to event constraints > function, sicne during ->hw_config time we do not yet know on which > CPU the the event will run on. > * Tested on and made minor revisions to make sure that the patchset is > compatible with upcoming AMD Family 16h processors, and will support > core and NB counters without any further patches. > > V3: > Addressed the following feedback/comments from Robert's review > * https://lkml.org/lkml/2012/11/16/484 > * https://lkml.org/lkml/2012/11/26/162 > > V2: > Separate out Robert's patches, and add properly ordered certificate of > origins. > > Jacob Shin (4): > perf, amd: Use proper naming scheme for AMD bit field definitions > perf, x86: Move MSR address offset calculation to architecture > specific files > perf, x86: Allow for architecture specific RDPMC indexes > perf, amd: Enable northbridge performance counters on AMD family 15h > > Robert Richter (2): > perf, amd: Rework northbridge event constraints handler > perf, amd: Generalize northbridge constraints code for family 15h > > arch/x86/include/asm/cpufeature.h | 2 + > arch/x86/include/asm/msr-index.h | 2 + > arch/x86/include/asm/perf_event.h | 13 +- > arch/x86/kernel/cpu/perf_event.c | 2 +- > arch/x86/kernel/cpu/perf_event.h | 25 ++- > arch/x86/kernel/cpu/perf_event_amd.c | 318 > ++++++++++++++++++++++++++-------- > 6 files changed, 268 insertions(+), 94 deletions(-) > > --
Ping .. ? any comments/feedback ? If things look okay, could you please commit to tip perf/core ? Thank you, -Jacob -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
