This seems to improve the situation on x86_64 from almost entirely broken to mostly working. Tested with:
perf record -e cycles --call-graph=dwarf ls Andy Lutomirski (2): perf: Move task_pt_regs sampling into arch code x86_64, perf: Improve user regs sampling arch/arm/kernel/perf_regs.c | 8 ++++ arch/arm64/kernel/perf_regs.c | 8 ++++ arch/x86/kernel/perf_regs.c | 90 +++++++++++++++++++++++++++++++++++++++++++ include/linux/perf_event.h | 12 +++--- include/linux/perf_regs.h | 16 ++++++++ kernel/events/core.c | 19 ++++----- 6 files changed, 137 insertions(+), 16 deletions(-) -- 2.1.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
