enable support for perf events

SVN-Revision: 27512

target/linux/realview/config-default

@@ -67,6 +67,7 @@ CONFIG_CPU_V6=y
 CONFIG_CPU_V6K=y
 CONFIG_CPU_V7=y
 CONFIG_DEBUG_KERNEL=y
+# CONFIG_DEBUG_PERF_USE_VMALLOC is not set
 CONFIG_DEBUG_USER=y
 CONFIG_DMA_CACHE_RWFO=y
 CONFIG_DNOTIFY=y
@@ -102,6 +103,7 @@ CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y
 CONFIG_HAVE_FUNCTION_TRACER=y
 CONFIG_HAVE_GENERIC_DMA_COHERENT=y
 CONFIG_HAVE_GENERIC_HARDIRQS=y
+CONFIG_HAVE_HW_BREAKPOINT=y
 CONFIG_HAVE_IDE=y
 CONFIG_HAVE_IRQ_WORK=y
 CONFIG_HAVE_KERNEL_GZIP=y
@@ -117,12 +119,14 @@ CONFIG_HAVE_REGS_AND_STACK_ACCESS_API=y
 CONFIG_HAVE_SCHED_CLOCK=y
 CONFIG_HAVE_SPARSE_IRQ=y
 CONFIG_HOTPLUG_CPU=y
+CONFIG_HW_PERF_EVENTS=y
 CONFIG_ICST=y
 CONFIG_INITRAMFS_SOURCE=""
 CONFIG_IP_PNP=y
 CONFIG_IP_PNP_BOOTP=y
 CONFIG_IP_PNP_DHCP=y
 # CONFIG_IP_PNP_RARP is not set
+CONFIG_IRQ_WORK=y
 CONFIG_JFFS2_LZO=y
 CONFIG_JFFS2_RUBIN=y
 CONFIG_JFFS2_ZLIB=y
@@ -157,6 +161,7 @@ CONFIG_OUTER_CACHE=y
 CONFIG_OUTER_CACHE_SYNC=y
 CONFIG_PAGE_OFFSET=0xC0000000
 # CONFIG_PCI_SYSCALL is not set
+CONFIG_PERF_EVENTS=y
 CONFIG_PERF_USE_VMALLOC=y
 CONFIG_PHYLIB=y
 # CONFIG_PL310_ERRATA_588369 is not set