[PATCH v10 0/5] lib,kprobes: kretprobe scalability improvement

From: wuqiang.matt
Date: Sun Oct 15 2023 - 01:33:34 EST


This patch series introduces a scalable and lockless ring-array based
object pool to improve scalability of kretprobed routines.

v10:
*) objpool simplified and improved according to Masami's advices

wuqiang.matt (5):
lib: objpool added: ring-array based lockless MPMC
lib: objpool test module added
kprobes: kretprobe scalability improvement with objpool
kprobes: freelist.h removed
MAINTAINERS: objpool added

MAINTAINERS | 7 +
include/linux/freelist.h | 129 --------
include/linux/kprobes.h | 11 +-
include/linux/objpool.h | 176 ++++++++++
include/linux/rethook.h | 16 +-
kernel/kprobes.c | 93 +++---
kernel/trace/fprobe.c | 32 +-
kernel/trace/rethook.c | 90 +++--
lib/Kconfig.debug | 11 +
lib/Makefile | 4 +-
lib/objpool.c | 286 ++++++++++++++++
lib/test_objpool.c | 689 +++++++++++++++++++++++++++++++++++++++
12 files changed, 1270 insertions(+), 274 deletions(-)
delete mode 100644 include/linux/freelist.h
create mode 100644 include/linux/objpool.h
create mode 100644 lib/objpool.c
create mode 100644 lib/test_objpool.c

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2.40.1