Following Peter and Alexei's suggestion, this patchset: 1. Append performance test result in commit message of patch 3/4 and 4/4; 2. Describe history and design choice in commit message of patch 4/4; 3. Change 'onward' to 'forward'; 4. Squash patches to make a better git log.
Wang Nan (4): perf core: Introduce new ioctl options to pause and resume ring buffer perf core: Set event's default overflow_handler perf core: Prepare writing into ring buffer from end perf core: Add backward attribute to perf event arch/arm/kernel/hw_breakpoint.c | 4 +-- arch/arm64/kernel/hw_breakpoint.c | 4 +-- include/linux/perf_event.h | 32 +++++++++++++++-- include/uapi/linux/perf_event.h | 4 ++- kernel/events/core.c | 73 +++++++++++++++++++++++++++++++++------ kernel/events/internal.h | 11 ++++++ kernel/events/ring_buffer.c | 63 +++++++++++++++++++++++++++++---- 7 files changed, 167 insertions(+), 24 deletions(-) -- 1.8.3.4
