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* configure.ac (AC_CHECK_HEADERS): Add linux/perf_event.h. * desc.c [HAVE_LINUX_PERF_EVENT_H]: Include <linux/perf_event.h>. (perf_event_open_flags): New xlat structure. (sys_perf_event_open): New function. * linux/dummy.h (sys_perf_event_open): Remove. * linux/syscall.h (sys_perf_event_open): New prototype. Signed-off-by: Ben Noordhuis <info@bnoordhuis.nl> Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>