1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
11 #include <signal.h>
25 #include <perf-sys.h>
49 	__u64 id;  member
75 	int idx = ctx->all_cpus ? cpu : ctx->idx;  in print_bpf_output()
80 		jsonw_uint(json_wtr, e->header.type);  in print_bpf_output()
85 		if (e->header.type == PERF_RECORD_SAMPLE) {  in print_bpf_output()
87 			jsonw_uint(json_wtr, e->time);  in print_bpf_output()
89 			print_data_json(e->data, e->size);  in print_bpf_output()
90 		} else if (e->header.type == PERF_RECORD_LOST) {  in print_bpf_output()
93 			jsonw_name(json_wtr, "id");  in print_bpf_output()
94 			jsonw_uint(json_wtr, lost->id);  in print_bpf_output()
96 			jsonw_uint(json_wtr, lost->lost);  in print_bpf_output()
101 		if (e->header.type == PERF_RECORD_SAMPLE) {  in print_bpf_output()
103 			       e->time / 1000000000ULL, e->time % 1000000000ULL,  in print_bpf_output()
105 			fprint_hex(stdout, e->data, e->size, " ");  in print_bpf_output()
107 		} else if (e->header.type == PERF_RECORD_LOST) {  in print_bpf_output()
108 			printf("lost %lld events\n", lost->lost);  in print_bpf_output()
111 			       e->header.type, e->header.size);  in print_bpf_output()
131 		.cpu = -1,  in do_event_pipe()
132 		.idx = -1,  in do_event_pipe()
141 		return -1;  in do_event_pipe()
160 				p_err("can't parse %s as CPU ID", *argv);  in do_event_pipe()
185 		if (ctx.idx == -1 || ctx.cpu == -1) {  in do_event_pipe()
209 	signal(SIGINT, int_exit);  in do_event_pipe()
210 	signal(SIGHUP, int_exit);  in do_event_pipe()
211 	signal(SIGTERM, int_exit);  in do_event_pipe()
218 		if (err < 0 && err != -EINTR) {  in do_event_pipe()
237 	return -1;  in do_event_pipe()