Messages in this thread | | | From | Andy Lutomirski <> | Subject | [PATCH 0/2] perf: Improve user regs sampling | Date | Sun, 4 Jan 2015 10:36:18 -0800 |
| |
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
| |