From f25ad0fe022a8daeb654bd67e6b4433f66ee5642 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?R=C3=A9mi=20Denis-Courmont?= <remi@remlab.net>
Date: Fri, 14 Jul 2023 20:08:37 +0300
Subject: [PATCH] checkasm: improve Linux perf error message

Report the failing system call name, as is convention, rather than just
a rather unhelpful "syscall".
---
 tests/checkasm/checkasm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/checkasm/checkasm.c b/tests/checkasm/checkasm.c
index 30e2dc6fed..f521d30b7c 100644
--- a/tests/checkasm/checkasm.c
+++ b/tests/checkasm/checkasm.c
@@ -667,7 +667,7 @@ static int bench_init_linux(void)
 
     state.sysfd = syscall(__NR_perf_event_open, &attr, 0, -1, -1, 0);
     if (state.sysfd == -1) {
-        perror("syscall");
+        perror("perf_event_open");
         return -1;
     }
     return 0;