From 391f84e5555c20a5b5ca4a2b0c3daec383765a09 Mon Sep 17 00:00:00 2001 From: Tiezhu Yang Date: Thu, 10 Nov 2022 11:50:07 +0800 Subject: perf bench syscall: Add getpgid syscall benchmark This commit adds a simple getpgid syscall benchmark, more syscall benchmarks can be added in the future. Signed-off-by: Tiezhu Yang Acked-by: Namhyung Kim Cc: Alexander Shishkin Cc: Ingo Molnar Cc: Jiri Olsa Cc: Mark Rutland Cc: Peter Zijlstra Link: https://lore.kernel.org/r/1668052208-14047-4-git-send-email-yangtiezhu@loongson.cn Signed-off-by: Arnaldo Carvalho de Melo --- tools/arch/x86/include/uapi/asm/unistd_32.h | 3 +++ tools/arch/x86/include/uapi/asm/unistd_64.h | 3 +++ tools/perf/bench/bench.h | 1 + tools/perf/bench/syscall.c | 11 +++++++++++ tools/perf/builtin-bench.c | 1 + 5 files changed, 19 insertions(+) diff --git a/tools/arch/x86/include/uapi/asm/unistd_32.h b/tools/arch/x86/include/uapi/asm/unistd_32.h index 4d8873a9f519..053122c79ee1 100644 --- a/tools/arch/x86/include/uapi/asm/unistd_32.h +++ b/tools/arch/x86/include/uapi/asm/unistd_32.h @@ -2,6 +2,9 @@ #ifndef __NR_getppid #define __NR_getppid 64 #endif +#ifndef __NR_getpgid +#define __NR_getpgid 132 +#endif #ifndef __NR_gettid #define __NR_gettid 224 #endif diff --git a/tools/arch/x86/include/uapi/asm/unistd_64.h b/tools/arch/x86/include/uapi/asm/unistd_64.h index e29038af133c..54a6c4d93ada 100644 --- a/tools/arch/x86/include/uapi/asm/unistd_64.h +++ b/tools/arch/x86/include/uapi/asm/unistd_64.h @@ -2,6 +2,9 @@ #ifndef __NR_getppid #define __NR_getppid 110 #endif +#ifndef __NR_getpgid +#define __NR_getpgid 121 +#endif #ifndef __NR_gettid #define __NR_gettid 186 #endif diff --git a/tools/perf/bench/bench.h b/tools/perf/bench/bench.h index a5d49b3b6a09..0c58448273da 100644 --- a/tools/perf/bench/bench.h +++ b/tools/perf/bench/bench.h @@ -22,6 +22,7 @@ int bench_numa(int argc, const char **argv); int bench_sched_messaging(int argc, const char **argv); int bench_sched_pipe(int argc, const char **argv); int bench_syscall_basic(int argc, const char **argv); +int bench_syscall_getpgid(int argc, const char **argv); int bench_mem_memcpy(int argc, const char **argv); int bench_mem_memset(int argc, const char **argv); int bench_mem_find_bit(int argc, const char **argv); diff --git a/tools/perf/bench/syscall.c b/tools/perf/bench/syscall.c index 746fd7171921..6411b146ba68 100644 --- a/tools/perf/bench/syscall.c +++ b/tools/perf/bench/syscall.c @@ -46,6 +46,9 @@ static int bench_syscall_common(int argc, const char **argv, int syscall) case __NR_getppid: getppid(); break; + case __NR_getpgid: + getpgid(0); + break; default: break; } @@ -58,6 +61,9 @@ static int bench_syscall_common(int argc, const char **argv, int syscall) case __NR_getppid: name = "getppid()"; break; + case __NR_getpgid: + name = "getpgid()"; + break; default: break; } @@ -100,3 +106,8 @@ int bench_syscall_basic(int argc, const char **argv) { return bench_syscall_common(argc, argv, __NR_getppid); } + +int bench_syscall_getpgid(int argc, const char **argv) +{ + return bench_syscall_common(argc, argv, __NR_getpgid); +} diff --git a/tools/perf/builtin-bench.c b/tools/perf/builtin-bench.c index bd4fd94a2ce0..281b22e0f257 100644 --- a/tools/perf/builtin-bench.c +++ b/tools/perf/builtin-bench.c @@ -52,6 +52,7 @@ static struct bench sched_benchmarks[] = { static struct bench syscall_benchmarks[] = { { "basic", "Benchmark for basic getppid(2) calls", bench_syscall_basic }, + { "getpgid", "Benchmark for getpgid(2) calls", bench_syscall_getpgid }, { "all", "Run all syscall benchmarks", NULL }, { NULL, NULL, NULL }, }; -- cgit v1.2.3