Commit 391f84e5 authored by Tiezhu Yang's avatar Tiezhu Yang Committed by Arnaldo Carvalho de Melo
Browse files

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: default avatarTiezhu Yang <yangtiezhu@loongson.cn>
Acked-by: default avatarNamhyung Kim <namhyung@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/1668052208-14047-4-git-send-email-yangtiezhu@loongson.cn


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 3fe91f32

tools/arch/x86/include/uapi/asm/unistd_32.h

+3 −0
Original line number Diff line number Diff line
@@ -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

tools/arch/x86/include/uapi/asm/unistd_64.h

+3 −0
Original line number Diff line number Diff line
@@ -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

tools/perf/bench/bench.h

+1 −0
Original line number Diff line number Diff line
@@ -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);

tools/perf/bench/syscall.c

+11 −0
Original line number Diff line number Diff line
@@ -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);

}

tools/perf/builtin-bench.c

+1 −0
Original line number Diff line number Diff line
@@ -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			},

};