Files
linux-kernel/linux-7.2.3/tools/tracing/rtla/tests/bpf/bpf_action_map.c
T
2026-09-06 12:53:21 -06:00

26 lines
561 B
C

// SPDX-License-Identifier: GPL-2.0
#include <linux/bpf.h>
#include <bpf/bpf_tracing.h>
char LICENSE[] SEC("license") = "GPL";
struct {
__uint(type, BPF_MAP_TYPE_ARRAY);
__uint(max_entries, 1);
__type(key, unsigned int);
__type(value, unsigned long long);
} rtla_test_map SEC(".maps");
struct trace_event_raw_timerlat_sample;
SEC("tp/timerlat_action")
int action_handler(struct trace_event_raw_timerlat_sample *tp_args)
{
unsigned int key = 0;
unsigned long long value = 42;
bpf_map_update_elem(&rtla_test_map, &key, &value, BPF_ANY);
return 0;
}