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perf bench syscall: Add getpgid syscall benchmark

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This commit adds a simple getpgid syscall benchmark, more syscall
benchmarks can be added in the future.

Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Acked-by: Namhyung 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: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Tiezhu Yang 2022-11-10 11:50:07 +08:00 • committed by Arnaldo Carvalho de Melo
parent 3fe91f3262
commit 391f84e555
5 changed files with 19 additions and 0 deletions
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3
tools/arch/x86/include/uapi/asm/unistd_32.h
View file

@ -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

3
tools/arch/x86/include/uapi/asm/unistd_64.h
View file

@ -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

1
tools/perf/bench/bench.h
View file

@ -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);

11
tools/perf/bench/syscall.c
View file

@ -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);
}

1
tools/perf/builtin-bench.c
View file

@ -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 },
};