diff options
Diffstat (limited to 'tools/testing/selftests/bpf/test_tracepoint.c')
| -rw-r--r-- | tools/testing/selftests/bpf/test_tracepoint.c | 26 | 
1 files changed, 26 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/test_tracepoint.c b/tools/testing/selftests/bpf/test_tracepoint.c new file mode 100644 index 000000000000..04bf084517e0 --- /dev/null +++ b/tools/testing/selftests/bpf/test_tracepoint.c @@ -0,0 +1,26 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright (c) 2017 Facebook + +#include <linux/bpf.h> +#include "bpf_helpers.h" + +/* taken from /sys/kernel/debug/tracing/events/sched/sched_switch/format */ +struct sched_switch_args { +	unsigned long long pad; +	char prev_comm[16]; +	int prev_pid; +	int prev_prio; +	long long prev_state; +	char next_comm[16]; +	int next_pid; +	int next_prio; +}; + +SEC("tracepoint/sched/sched_switch") +int oncpu(struct sched_switch_args *ctx) +{ +	return 0; +} + +char _license[] SEC("license") = "GPL"; +__u32 _version SEC("version") = 1; /* ignored by tracepoints, required by libbpf.a */  |