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Add a new ioctl, DRM_IOCTL_V3D_PERFMON_SET_GLOBAL, to allow configuration of a global performance monitor (perfmon). Use the global perfmon for all jobs to ensure consistent performance tracking across submissions. This feature is needed to implement a Perfetto datasources in user-space. Signed-off-by: Christian Gmeiner <cgmeiner@igalia.com> Reviewed-by: Maíra Canal <mcanal@igalia.com> Signed-off-by: Maíra Canal <mcanal@igalia.com> Link: https://patchwork.freedesktop.org/patch/msgid/20241202140615.74802-1-christian.gmeiner@gmail.com