diff mbox series

[v4,3/4] perf bench syscall: Add getpgrp syscall benchmark

Message ID 1667982547-22331-4-git-send-email-yangtiezhu@loongson.cn
State New
Headers
Series perf: Add more syscalls to benchmark |

Commit Message

Tiezhu Yang Nov. 9, 2022, 8:29 a.m. UTC 
  This commit adds a simple getpgrp syscall benchmark, more syscall
benchmarks can be added in the future.

Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
---
 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 mbox series

Patch

diff --git a/tools/arch/x86/include/uapi/asm/unistd_32.h b/tools/arch/x86/include/uapi/asm/unistd_32.h
index 4d8873a..2bcf47f 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_getpgrp
+#define __NR_getpgrp 65
+#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 e29038a..5472203 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_getpgrp
+#define __NR_getpgrp 111
+#endif
 #ifndef __NR_gettid
 #define __NR_gettid 186
 #endif
diff --git a/tools/perf/bench/bench.h b/tools/perf/bench/bench.h
index 6cefb43..7ccc021 100644
--- a/tools/perf/bench/bench.h
+++ b/tools/perf/bench/bench.h
@@ -34,6 +34,7 @@  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_getpgrp(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 746fd71..2b89884 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_getpgrp:
+			getpgrp();
+			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_getpgrp:
+		name = "getpgrp()";
+		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_getpgrp(int argc, const char **argv)
+{
+	return bench_syscall_common(argc, argv, __NR_getpgrp);
+}
diff --git a/tools/perf/builtin-bench.c b/tools/perf/builtin-bench.c
index 334ab89..20ca4ac 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	},
+	{ "getpgrp",	"Benchmark for getpgrp(2) calls",		bench_syscall_getpgrp	},
 	{ "all",	"Run all syscall benchmarks",			NULL			},
 	{ NULL,		NULL,						NULL			},
 };