44 struct perf_missing_features perf_missing_features;  variable
905 	attr->sample_id_all = perf_missing_features.sample_id_all ? 0 : 1;  in perf_evsel__config()
1002 	    (!perf_missing_features.sample_id_all &&  in perf_evsel__config()
1033 	attr->mmap2 = track && !perf_missing_features.mmap2;  in perf_evsel__config()
1741 	if (perf_missing_features.write_backward && evsel->attr.write_backward)  in perf_evsel__open()
1783 	if (perf_missing_features.clockid_wrong)  in perf_evsel__open()
1785 	if (perf_missing_features.clockid) {  in perf_evsel__open()
1789 	if (perf_missing_features.cloexec)  in perf_evsel__open()
1791 	if (perf_missing_features.mmap2)  in perf_evsel__open()
1793 	if (perf_missing_features.exclude_guest)  in perf_evsel__open()
1795 	if (perf_missing_features.lbr_flags)  in perf_evsel__open()
1798 	if (perf_missing_features.group_read && evsel->attr.inherit)  in perf_evsel__open()
1801 	if (perf_missing_features.sample_id_all)  in perf_evsel__open()
1877 			if (perf_missing_features.clockid ||  in perf_evsel__open()
1878 			    perf_missing_features.clockid_wrong) {  in perf_evsel__open()
1919 	if (!perf_missing_features.write_backward && evsel->attr.write_backward) {  in perf_evsel__open()
1920 		perf_missing_features.write_backward = true;  in perf_evsel__open()
1923 	} else if (!perf_missing_features.clockid_wrong && evsel->attr.use_clockid) {  in perf_evsel__open()
1924 		perf_missing_features.clockid_wrong = true;  in perf_evsel__open()
1927 	} else if (!perf_missing_features.clockid && evsel->attr.use_clockid) {  in perf_evsel__open()
1928 		perf_missing_features.clockid = true;  in perf_evsel__open()
1931 	} else if (!perf_missing_features.cloexec && (flags & PERF_FLAG_FD_CLOEXEC)) {  in perf_evsel__open()
1932 		perf_missing_features.cloexec = true;  in perf_evsel__open()
1935 	} else if (!perf_missing_features.mmap2 && evsel->attr.mmap2) {  in perf_evsel__open()
1936 		perf_missing_features.mmap2 = true;  in perf_evsel__open()
1939 	} else if (!perf_missing_features.exclude_guest &&  in perf_evsel__open()
1941 		perf_missing_features.exclude_guest = true;  in perf_evsel__open()
1944 	} else if (!perf_missing_features.sample_id_all) {  in perf_evsel__open()
1945 		perf_missing_features.sample_id_all = true;  in perf_evsel__open()
1948 	} else if (!perf_missing_features.lbr_flags &&  in perf_evsel__open()
1952 		perf_missing_features.lbr_flags = true;  in perf_evsel__open()
1955 	} else if (!perf_missing_features.group_read &&  in perf_evsel__open()
1959 		perf_missing_features.group_read = true;  in perf_evsel__open()
2922 		if (evsel->attr.write_backward && perf_missing_features.write_backward)  in perf_evsel__open_strerror()
2924 		if (perf_missing_features.clockid)  in perf_evsel__open_strerror()
2926 		if (perf_missing_features.clockid_wrong)  in perf_evsel__open_strerror()