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authorTiezhu Yang <yangtiezhu@loongson.cn>2022-11-10 11:50:07 +0800
committerArnaldo Carvalho de Melo <acme@redhat.com>2023-02-02 16:32:19 -0300
commit391f84e5555c20a5b5ca4a2b0c3daec383765a09 (patch)
tree8ed20027c4e3b49e3e97abd0dd0ada3351403e9c /tools/perf
parent3fe91f32620f658adfc073f9df831e7b82498575 (diff)
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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 <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>
Diffstat (limited to 'tools/perf')
-rw-r--r--tools/perf/bench/bench.h1
-rw-r--r--tools/perf/bench/syscall.c11
-rw-r--r--tools/perf/builtin-bench.c1
3 files changed, 13 insertions, 0 deletions
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 },
};