diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig
index 443448154f32e9c7143ca759fe32ee475f9e818e..bd7261ea8f9401adcf96e7df1664a9042401cdd6 100644
--- a/arch/alpha/Kconfig
+++ b/arch/alpha/Kconfig
@@ -9,6 +9,7 @@ config ALPHA
 	select HAVE_IDE
 	select HAVE_OPROFILE
 	select HAVE_SYSCALL_WRAPPERS
+	select HAVE_PERF_EVENTS
 	help
 	  The Alpha is a 64-bit general-purpose processor designed and
 	  marketed by the Digital Equipment Corporation of blessed memory,
diff --git a/arch/alpha/include/asm/perf_event.h b/arch/alpha/include/asm/perf_event.h
new file mode 100644
index 0000000000000000000000000000000000000000..3bef8522017c23094e1cee52ffd2ef6da28a54e0
--- /dev/null
+++ b/arch/alpha/include/asm/perf_event.h
@@ -0,0 +1,9 @@
+#ifndef __ASM_ALPHA_PERF_EVENT_H
+#define __ASM_ALPHA_PERF_EVENT_H
+
+/* Alpha only supports software events through this interface. */
+static inline void set_perf_event_pending(void) { }
+
+#define PERF_EVENT_INDEX_OFFSET 0
+
+#endif /* __ASM_ALPHA_PERF_EVENT_H */
diff --git a/arch/alpha/include/asm/unistd.h b/arch/alpha/include/asm/unistd.h
index 62e823e68f65c2f7c9af8bb99e20c5a21bd9d7b7..804e5311c84188fbc14a62b7afb97bc35a232003 100644
--- a/arch/alpha/include/asm/unistd.h
+++ b/arch/alpha/include/asm/unistd.h
@@ -448,10 +448,11 @@
 #define __NR_preadv			490
 #define __NR_pwritev			491
 #define __NR_rt_tgsigqueueinfo		492
+#define __NR_perf_event_open		493
 
 #ifdef __KERNEL__
 
-#define NR_SYSCALLS			493
+#define NR_SYSCALLS			494
 
 #define __ARCH_WANT_IPC_PARSE_VERSION
 #define __ARCH_WANT_OLD_READDIR
diff --git a/arch/alpha/kernel/systbls.S b/arch/alpha/kernel/systbls.S
index d0bc3c8c3ed32e6fab16b187da40493751af00fb..09acb786e72b0d665d3aa9e38346148adbdb08c5 100644
--- a/arch/alpha/kernel/systbls.S
+++ b/arch/alpha/kernel/systbls.S
@@ -511,6 +511,7 @@ sys_call_table:
 	.quad sys_preadv				/* 490 */
 	.quad sys_pwritev
 	.quad sys_rt_tgsigqueueinfo
+	.quad sys_perf_event_open
 
 	.size sys_call_table, . - sys_call_table
 	.type sys_call_table, @object