Lines Matching +full:risc +full:- +full:v

1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright (C) 2019 Hangzhou C-SKY Microsystems co.,ltd. */
23 			(unsigned long *)(fp - sizeof(struct stackframe));  in user_backtrace()
53  * $ perf record -e cpu-clock --call-graph fp ./program
54  * $ perf report --call-graph
56  * On RISC-V platform, the program being sampled and the C library
57  * need to be compiled with -fno-omit-frame-pointer, otherwise
65 	/* RISC-V does not support perf in guest mode. */  in perf_callchain_user()
66 	if (perf_guest_cbs && perf_guest_cbs->is_in_guest())  in perf_callchain_user()
69 	fp = regs->s0;  in perf_callchain_user()
70 	perf_callchain_store(entry, regs->epc);  in perf_callchain_user()
72 	fp = user_backtrace(entry, fp, regs->ra);  in perf_callchain_user()
73 	while (fp && !(fp & 0x3) && entry->nr < entry->max_stack)  in perf_callchain_user()
87 	/* RISC-V does not support perf in guest mode. */  in perf_callchain_kernel()
88 	if (perf_guest_cbs && perf_guest_cbs->is_in_guest()) {  in perf_callchain_kernel()
89 		pr_warn("RISC-V does not support perf in guest mode!");  in perf_callchain_kernel()