28 			pr_err("incompatible file format (rerun with -v to learn more)");  in perf_session__open()
37 		pr_err("failed to open %s: %s", self->filename, strerror(err));  in perf_session__open()
39 			pr_err("  (try 'perf record' first)");  in perf_session__open()
40 		pr_err("\n");  in perf_session__open()
48 		pr_err("file %s not owned by current user or root\n",  in perf_session__open()
60 		pr_err("incompatible file format (rerun with -v to learn more)");  in perf_session__open()
65 		pr_err("non matching sample_type");  in perf_session__open()
70 		pr_err("non matching sample_id_all");  in perf_session__open()
75 		pr_err("non matching read_format");  in perf_session__open()
544 			pr_err("Can't parse sample, err = %d\n", ret);  in flush_sample_queue()
1126 		pr_err("problem inserting idle task.\n");  in perf_session__register_idle_thread()
1201 		pr_err("failed to read event header\n");  in __perf_session__process_pipe_events()
1210 		pr_err("bad event header size\n");  in __perf_session__process_pipe_events()
1217 			pr_err("failed to allocate memory to read event\n");  in __perf_session__process_pipe_events()
1231 				pr_err("unexpected end of event stream\n");  in __perf_session__process_pipe_events()
1235 			pr_err("failed to read event data\n");  in __perf_session__process_pipe_events()
1241 		pr_err("%#" PRIx64 " [%#x]: failed to process type: %d\n",  in __perf_session__process_pipe_events()
1342 		pr_err("failed to mmap file\n");  in __perf_session__process_events()
1368 		pr_err("%#" PRIx64 " [%#x]: failed to process type: %d\n",  in __perf_session__process_events()
1429 	pr_err("No trace sample to read. Did you call 'perf %s'?\n", msg);  in perf_session__has_traces()
1607 			pr_err("File does not contain CPU events. "  in perf_session__cpu_bitmap()
1615 		pr_err("Invalid cpu_list\n");  in perf_session__cpu_bitmap()
1623 			pr_err("Requested CPU %d too large. "  in perf_session__cpu_bitmap()