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Mon, 04 Nov 2024 13:07:19 -0800 (PST) From: Charlie Jenkins Date: Mon, 04 Nov 2024 13:06:14 -0800 Subject: [PATCH RFT 12/16] perf tools: loongarch: Use syscall table Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20241104-perf_syscalltbl-v1-12-9adae5c761ef@rivosinc.com> References: <20241104-perf_syscalltbl-v1-0-9adae5c761ef@rivosinc.com> In-Reply-To: <20241104-perf_syscalltbl-v1-0-9adae5c761ef@rivosinc.com> To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Mark Rutland , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , Paul Walmsley , Palmer Dabbelt , Albert Ou , =?utf-8?q?Micka=C3=ABl_Sala=C3=BCn?= , =?utf-8?q?G=C3=BCnt?= =?utf-8?q?her_Noack?= , Christian Brauner , Guo Ren , John Garry , Will Deacon , James Clark , Mike Leach , Leo Yan , Jonathan Corbet , Arnd Bergmann Cc: linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, linux-riscv@lists.infradead.org, linux-security-module@vger.kernel.org, bpf@vger.kernel.org, linux-csky@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org, Charlie Jenkins X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=6179; i=charlie@rivosinc.com; h=from:subject:message-id; bh=3BnA2k7gkDMKMTp7NPvukg06UCPVaXeoGTtH/OJ/1cQ=; b=owGbwMvMwCHWx5hUnlvL8Y3xtFoSQ7qmeRy3JYP4tTdnEtU4RD9e0Qi3fnDtS4hjbKxbt4dzZ 7HXnJKOUhYGMQ4GWTFFFp5rDcytd/TLjoqWTYCZw8oEMoSBi1MAJrKhl+GfqUKttabNK19z/70H vDLOvE8TNG89f52PvVbqaG+ToUE2wz8Ltr7V/7wWMjf538y5bLXvpeen+b1/Ou8XffeRbPnwxYc dAA== X-Developer-Key: i=charlie@rivosinc.com; a=openpgp; fpr=7D834FF11B1D8387E61C776FFB10D1F27D6B1354 loongarch uses a syscall table, use that in perf instead of using unistd.h. Signed-off-by: Charlie Jenkins --- tools/perf/Makefile.config | 4 +- tools/perf/Makefile.perf | 2 +- tools/perf/arch/loongarch/Makefile | 22 ----------- tools/perf/arch/loongarch/entry/syscalls/Kbuild | 2 + .../loongarch/entry/syscalls/Makefile.syscalls | 3 ++ .../arch/loongarch/entry/syscalls/mksyscalltbl | 45 ---------------------- tools/perf/arch/loongarch/include/syscall_table.h | 2 + tools/perf/util/syscalltbl.c | 4 -- 8 files changed, 10 insertions(+), 74 deletions(-) diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config index 1da374873514..2cf45e3f2659 100644 --- a/tools/perf/Makefile.config +++ b/tools/perf/Makefile.config @@ -31,12 +31,12 @@ $(call detected_var,SRCARCH) ifneq ($(NO_SYSCALL_TABLE),1) NO_SYSCALL_TABLE := 1 - ifeq ($(SRCARCH),$(filter $(SRCARCH),powerpc s390 mips loongarch)) + ifeq ($(SRCARCH),$(filter $(SRCARCH),powerpc s390 mips)) NO_SYSCALL_TABLE := 0 endif # architectures that use the generic syscall table scripts - ifeq ($(SRCARCH),$(filter $(SRCARCH),riscv arc csky arm sh sparc xtensa x86 alpha parisc arm64)) + ifeq ($(SRCARCH),$(filter $(SRCARCH),riscv arc csky arm sh sparc xtensa x86 alpha parisc arm64 loongarch)) NO_SYSCALL_TABLE := 0 CFLAGS += -DGENERIC_SYSCALL_TABLE CFLAGS += -I$(OUTPUT)arch/$(SRCARCH)/include/generated diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf index ced8dc312b20..ce2c4e1c0623 100644 --- a/tools/perf/Makefile.perf +++ b/tools/perf/Makefile.perf @@ -311,7 +311,7 @@ FEATURE_TESTS := all endif endif # architectures that use the generic syscall table -ifeq ($(SRCARCH),$(filter $(SRCARCH),riscv arc csky arm sh sparc xtensa x86 alpha parisc arm64)) +ifeq ($(SRCARCH),$(filter $(SRCARCH),riscv arc csky arm sh sparc xtensa x86 alpha parisc arm64 loongarch)) include $(srctree)/tools/perf/scripts/Makefile.syscalls endif include Makefile.config diff --git a/tools/perf/arch/loongarch/Makefile b/tools/perf/arch/loongarch/Makefile index c89d6bb6b184..a2fa918e548c 100644 --- a/tools/perf/arch/loongarch/Makefile +++ b/tools/perf/arch/loongarch/Makefile @@ -5,25 +5,3 @@ endif PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET := 1 PERF_HAVE_JITDUMP := 1 HAVE_KVM_STAT_SUPPORT := 1 - -# -# Syscall table generation for perf -# - -out := $(OUTPUT)arch/loongarch/include/generated/asm -header := $(out)/syscalls.c -incpath := $(srctree)/tools -sysdef := $(srctree)/tools/arch/loongarch/include/uapi/asm/unistd.h -sysprf := $(srctree)/tools/perf/arch/loongarch/entry/syscalls/ -systbl := $(sysprf)/mksyscalltbl - -# Create output directory if not already present -$(shell [ -d '$(out)' ] || mkdir -p '$(out)') - -$(header): $(sysdef) $(systbl) - $(Q)$(SHELL) '$(systbl)' '$(CC)' '$(HOSTCC)' $(incpath) $(sysdef) > $@ - -clean:: - $(call QUIET_CLEAN, loongarch) $(RM) $(header) - -archheaders: $(header) diff --git a/tools/perf/arch/loongarch/entry/syscalls/Kbuild b/tools/perf/arch/loongarch/entry/syscalls/Kbuild new file mode 100644 index 000000000000..9a41e3572c3a --- /dev/null +++ b/tools/perf/arch/loongarch/entry/syscalls/Kbuild @@ -0,0 +1,2 @@ +# SPDX-License-Identifier: GPL-2.0 +syscall-y += syscalls_64.h diff --git a/tools/perf/arch/loongarch/entry/syscalls/Makefile.syscalls b/tools/perf/arch/loongarch/entry/syscalls/Makefile.syscalls new file mode 100644 index 000000000000..47d32da2aed8 --- /dev/null +++ b/tools/perf/arch/loongarch/entry/syscalls/Makefile.syscalls @@ -0,0 +1,3 @@ +# SPDX-License-Identifier: GPL-2.0 + +syscall_abis_64 += diff --git a/tools/perf/arch/loongarch/entry/syscalls/mksyscalltbl b/tools/perf/arch/loongarch/entry/syscalls/mksyscalltbl deleted file mode 100755 index c10ad3580aef..000000000000 --- a/tools/perf/arch/loongarch/entry/syscalls/mksyscalltbl +++ /dev/null @@ -1,45 +0,0 @@ -#!/bin/sh -# SPDX-License-Identifier: GPL-2.0 -# -# Generate system call table for perf. Derived from -# powerpc script. -# -# Author(s): Ming Wang -# Author(s): Huacai Chen -# Copyright (C) 2020-2023 Loongson Technology Corporation Limited - -gcc=$1 -hostcc=$2 -incpath=$3 -input=$4 - -if ! test -r $input; then - echo "Could not read input file" >&2 - exit 1 -fi - -create_sc_table() -{ - local sc nr max_nr - - while read sc nr; do - printf "%s\n" " [$nr] = \"$sc\"," - max_nr=$nr - done - - echo "#define SYSCALLTBL_LOONGARCH_MAX_ID $max_nr" -} - -create_table() -{ - echo "#include \"$input\"" - echo "static const char *const syscalltbl_loongarch[] = {" - create_sc_table - echo "};" -} - -$gcc -E -dM -x c -I $incpath/include/uapi $input \ - |awk '$2 ~ "__NR" && $3 !~ "__NR3264_" { - sub("^#define __NR(3264)?_", ""); - print | "sort -k2 -n"}' \ - |create_table diff --git a/tools/perf/arch/loongarch/include/syscall_table.h b/tools/perf/arch/loongarch/include/syscall_table.h new file mode 100644 index 000000000000..9d0646d3455c --- /dev/null +++ b/tools/perf/arch/loongarch/include/syscall_table.h @@ -0,0 +1,2 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#include diff --git a/tools/perf/util/syscalltbl.c b/tools/perf/util/syscalltbl.c index 0bd49247e486..7c8550ef0d7b 100644 --- a/tools/perf/util/syscalltbl.c +++ b/tools/perf/util/syscalltbl.c @@ -29,10 +29,6 @@ static const char *const *syscalltbl_native = syscalltbl_powerpc_32; #include const int syscalltbl_native_max_id = SYSCALLTBL_MIPS_N64_MAX_ID; static const char *const *syscalltbl_native = syscalltbl_mips_n64; -#elif defined(__loongarch__) -#include -const int syscalltbl_native_max_id = SYSCALLTBL_LOONGARCH_MAX_ID; -static const char *const *syscalltbl_native = syscalltbl_loongarch; #elif defined(GENERIC_SYSCALL_TABLE) #include const int syscalltbl_native_max_id = SYSCALLTBL_MAX_ID;