Unverified Commit b8dfd735 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!447 add perf loongarch support 

Merge Pull Request from: @Hongchen_Zhang 
 
add architecture related perf support for loongarch 
 
Link:https://gitee.com/openeuler/kernel/pulls/447

 

Reviewed-by: default avatarGuo Dongtai <guodongtai@kylinos.cn>
Signed-off-by: default avatarZheng Zengkai <zhengzengkai@huawei.com>
Acked-by: default avatarZheng Zengkai <zhengzengkai@huawei.com>
parents 5d0a525a 4efd0de6

scripts/Makefile

+8 −1
Original line number Diff line number Diff line
@@ -24,10 +24,17 @@ HOSTCFLAGS_extract-cert.o = $(CRYPTO_CFLAGS) 
HOSTLDLIBS_extract-cert = $(CRYPTO_LIBS)



ifdef CONFIG_UNWINDER_ORC

# Additional ARCH settings for x86

ifeq ($(ARCH),x86_64)

ARCH := x86

endif

HOSTCFLAGS_sorttable.o += -I$(srctree)/tools/arch/x86/include



# Additional ARCH settings for loongarch

ifeq ($(ARCH),loongarch64)

ARCH := loongarch

endif



HOSTCFLAGS_sorttable.o += -I$(srctree)/tools/arch/$(ARCH)/include

HOSTCFLAGS_sorttable.o += -DUNWINDER_ORC_ENABLED

HOSTLDLIBS_sorttable = -lpthread

endif

tools/arch/loongarch/include/uapi/asm/perf_regs.h

0 → 100644
+40 −0
Original line number Diff line number Diff line 
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */

#ifndef _ASM_LOONGARCH_PERF_REGS_H

#define _ASM_LOONGARCH_PERF_REGS_H



enum perf_event_loongarch_regs {

	PERF_REG_LOONGARCH_PC,

	PERF_REG_LOONGARCH_R1,

	PERF_REG_LOONGARCH_R2,

	PERF_REG_LOONGARCH_R3,

	PERF_REG_LOONGARCH_R4,

	PERF_REG_LOONGARCH_R5,

	PERF_REG_LOONGARCH_R6,

	PERF_REG_LOONGARCH_R7,

	PERF_REG_LOONGARCH_R8,

	PERF_REG_LOONGARCH_R9,

	PERF_REG_LOONGARCH_R10,

	PERF_REG_LOONGARCH_R11,

	PERF_REG_LOONGARCH_R12,

	PERF_REG_LOONGARCH_R13,

	PERF_REG_LOONGARCH_R14,

	PERF_REG_LOONGARCH_R15,

	PERF_REG_LOONGARCH_R16,

	PERF_REG_LOONGARCH_R17,

	PERF_REG_LOONGARCH_R18,

	PERF_REG_LOONGARCH_R19,

	PERF_REG_LOONGARCH_R20,

	PERF_REG_LOONGARCH_R21,

	PERF_REG_LOONGARCH_R22,

	PERF_REG_LOONGARCH_R23,

	PERF_REG_LOONGARCH_R24,

	PERF_REG_LOONGARCH_R25,

	PERF_REG_LOONGARCH_R26,

	PERF_REG_LOONGARCH_R27,

	PERF_REG_LOONGARCH_R28,

	PERF_REG_LOONGARCH_R29,

	PERF_REG_LOONGARCH_R30,

	PERF_REG_LOONGARCH_R31,

	PERF_REG_LOONGARCH_MAX = PERF_REG_LOONGARCH_R31 + 1,

};

#endif /* _ASM_LOONGARCH_PERF_REGS_H */

tools/arch/loongarch/include/uapi/asm/unistd.h

0 → 100644
+22 −0
Original line number Diff line number Diff line 
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */

/*

 * Copyright (C) 2020-2021 Loongson Technology Corporation Limited

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 as

 * published by the Free Software Foundation.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program.  If not, see <http://www.gnu.org/licenses/>.

 */



#define __ARCH_WANT_NEW_STAT

#define __ARCH_WANT_SYS_CLONE

#define __ARCH_WANT_SYS_CLONE3



#include <asm-generic/unistd.h>

tools/perf/Makefile.config

+7 −0
Original line number Diff line number Diff line
@@ -74,6 +74,13 @@ ifeq ($(SRCARCH),arm64) 
  LIBUNWIND_LIBS = -lunwind -lunwind-aarch64

endif



ifeq ($(SRCARCH),loongarch)

  NO_PERF_REGS := 0

  CFLAGS += -I$(OUTPUT)arch/loongarch/include/generated

  CFLAGS += -I$(OUTPUT)../arch/loongarch/include/uapi

  LIBUNWIND_LIBS = -lunwind -lunwind-loongarch

endif



ifeq ($(SRCARCH),riscv)

  NO_PERF_REGS := 0

endif

tools/perf/arch/loongarch/Build

0 → 100644
+1 −0
Original line number Diff line number Diff line 
perf-y += util/