summaryrefslogtreecommitdiff
path: root/arch/csky/include/asm/perf_event.h
AgeCommit message (Collapse)Author
2021-02-27csky: Fixup compile errorGuo Ren
: error: C++ style comments are not allowed in ISO C90 // Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd. ^ error: (this will be reported only once per input file) Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
2019-04-22csky: Add perf_arch_fetch_caller_regs supportMao Han
In trace events as tracepoints context are not able to be retrieve with task_pt_regs. Without arch caller regs support the pt_regs context will be all zero, perf can not parsing the callchain and resolving the symbols correctly, some time will even get into deadlock while handling the page fault, eg: perf kmem —page record ls Changelog - Add test case cmd in comment - Use regs_fp(regs) which is defined in abi/regdef.h Signed-off-by: Mao Han <han_mao@c-sky.com> Signed-off-by: Guo Ren <guoren@kernel.org>
2019-01-02csky: Add perf support for C-SKYGuo Ren
This adds basic perf support for all C-SKY CPUs. Hardware events are only supported by 807/810/860. Signed-off-by: Guo Ren <ren_guo@c-sky.com>