samples/bpf: Remove perf_event_open() declaration

[karo-tx-linux.git] / samples / bpf / trace_event_user.c

diff --git a/samples/bpf/trace_event_user.c b/samples/bpf/trace_event_user.c
index 704fe9fa77b2b2bc2b45b48903e3dd6b9c188e27..0c5561d193a487f2257ccece359530b97b06a170 100644 (file)
--- a/samples/bpf/trace_event_user.c
+++ b/samples/bpf/trace_event_user.c
@@ -20,6 +20,7 @@
 #include <sys/resource.h>
 #include "libbpf.h"
 #include "bpf_load.h"
+#include "perf-sys.h"
 
 #define SAMPLE_FREQ 50
 
@@ -125,9 +126,9 @@ static void test_perf_event_all_cpu(struct perf_event_attr *attr)
 
        /* open perf_event on all cpus */
        for (i = 0; i < nr_cpus; i++) {
-               pmu_fd[i] = perf_event_open(attr, -1, i, -1, 0);
+               pmu_fd[i] = sys_perf_event_open(attr, -1, i, -1, 0);
                if (pmu_fd[i] < 0) {
-                       printf("perf_event_open failed\n");
+                       printf("sys_perf_event_open failed\n");
                        goto all_cpu_err;
                }
                assert(ioctl(pmu_fd[i], PERF_EVENT_IOC_SET_BPF, prog_fd[0]) == 0);
@@ -146,9 +147,9 @@ static void test_perf_event_task(struct perf_event_attr *attr)
        int pmu_fd;
 
        /* open task bound event */
-       pmu_fd = perf_event_open(attr, 0, -1, -1, 0);
+       pmu_fd = sys_perf_event_open(attr, 0, -1, -1, 0);
        if (pmu_fd < 0) {
-               printf("perf_event_open failed\n");
+               printf("sys_perf_event_open failed\n");
                return;
        }
        assert(ioctl(pmu_fd, PERF_EVENT_IOC_SET_BPF, prog_fd[0]) == 0);