diff options
| author | Quan Zhou <zhouquan@iscas.ac.cn> | 2024-10-15 10:58:24 +0800 |
|---|---|---|
| committer | Anup Patel <anup@brainfault.org> | 2024-10-28 16:41:12 +0530 |
| commit | 5bb5ccb3e8d8dba29941cd78d5c1bcd27b227b4a (patch) | |
| tree | 08df2f4c3044bc2b0d3ae182af9bfde458dcbe39 /arch/riscv/include/asm/perf_event.h | |
| parent | 81983758430957d9a5cb3333fe324fd70cf63e7e (diff) | |
riscv: perf: add guest vs host distinction
Introduce basic guest support in perf, enabling it to distinguish
between PMU interrupts in the host or guest, and collect
fundamental information.
Signed-off-by: Quan Zhou <zhouquan@iscas.ac.cn>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Link: https://lore.kernel.org/r/a67d527dc1b11493fe11f7f53584772fdd983744.1728957131.git.zhouquan@iscas.ac.cn
Signed-off-by: Anup Patel <anup@brainfault.org>
Diffstat (limited to 'arch/riscv/include/asm/perf_event.h')
| -rw-r--r-- | arch/riscv/include/asm/perf_event.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/riscv/include/asm/perf_event.h b/arch/riscv/include/asm/perf_event.h index 665bbc9b2f84..38926b4a902d 100644 --- a/arch/riscv/include/asm/perf_event.h +++ b/arch/riscv/include/asm/perf_event.h @@ -8,7 +8,11 @@ #ifndef _ASM_RISCV_PERF_EVENT_H #define _ASM_RISCV_PERF_EVENT_H +#ifdef CONFIG_PERF_EVENTS #include <linux/perf_event.h> +extern unsigned long perf_instruction_pointer(struct pt_regs *regs); +extern unsigned long perf_misc_flags(struct pt_regs *regs); +#define perf_misc_flags(regs) perf_misc_flags(regs) #define perf_arch_bpf_user_pt_regs(regs) (struct user_regs_struct *)regs #define perf_arch_fetch_caller_regs(regs, __ip) { \ @@ -17,4 +21,6 @@ (regs)->sp = current_stack_pointer; \ (regs)->status = SR_PP; \ } +#endif + #endif /* _ASM_RISCV_PERF_EVENT_H */ |