1*0304a3b7STomas Glozar // SPDX-License-Identifier: GPL-2.0 2*0304a3b7STomas Glozar #include <linux/bpf.h> 3*0304a3b7STomas Glozar #include <bpf/bpf_tracing.h> 4*0304a3b7STomas Glozar 5*0304a3b7STomas Glozar char LICENSE[] SEC("license") = "GPL"; 6*0304a3b7STomas Glozar 7*0304a3b7STomas Glozar struct trace_event_raw_timerlat_sample { 8*0304a3b7STomas Glozar unsigned long long timer_latency; 9*0304a3b7STomas Glozar } __attribute__((preserve_access_index)); 10*0304a3b7STomas Glozar 11*0304a3b7STomas Glozar SEC("tp/timerlat_action") 12*0304a3b7STomas Glozar int action_handler(struct trace_event_raw_timerlat_sample *tp_args) 13*0304a3b7STomas Glozar { 14*0304a3b7STomas Glozar bpf_printk("Latency: %lld\n", tp_args->timer_latency); 15*0304a3b7STomas Glozar return 0; 16*0304a3b7STomas Glozar } 17