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authorPaul Mackerras <paulus@samba.org>2009-01-09 17:01:53 +1100
committerPaul Mackerras <paulus@samba.org>2009-01-09 18:27:53 +1100
commitd662ed26734473d4cb5f3d78cebfec8f9126e97c (patch)
treedcf32a7a03a544f0cc456b36e5e2ec611c531715 /arch
parent4eb96fcfe07b7f2a05577e57533840f8e26bea53 (diff)
powerpc/perf_counter: Add perf_counter system call on powerpc
... with an empty/dummy asm/perf_counter.h so it builds. Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/powerpc/include/asm/perf_counter.h10
-rw-r--r--arch/powerpc/include/asm/systbl.h1
-rw-r--r--arch/powerpc/include/asm/unistd.h3
-rw-r--r--arch/powerpc/platforms/Kconfig.cputype1
4 files changed, 14 insertions, 1 deletions
diff --git a/arch/powerpc/include/asm/perf_counter.h b/arch/powerpc/include/asm/perf_counter.h
new file mode 100644
index 00000000000..59530ae1d53
--- /dev/null
+++ b/arch/powerpc/include/asm/perf_counter.h
@@ -0,0 +1,10 @@
+/*
+ * Performance counter support - PowerPC-specific definitions.
+ *
+ * Copyright 2008-2009 Paul Mackerras, IBM Corporation.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
diff --git a/arch/powerpc/include/asm/systbl.h b/arch/powerpc/include/asm/systbl.h
index 803def23665..da300c4d288 100644
--- a/arch/powerpc/include/asm/systbl.h
+++ b/arch/powerpc/include/asm/systbl.h
@@ -322,3 +322,4 @@ SYSCALL_SPU(epoll_create1)
SYSCALL_SPU(dup3)
SYSCALL_SPU(pipe2)
SYSCALL(inotify_init1)
+SYSCALL(perf_counter_open)
diff --git a/arch/powerpc/include/asm/unistd.h b/arch/powerpc/include/asm/unistd.h
index e07d0c76ed7..7cef5afe89d 100644
--- a/arch/powerpc/include/asm/unistd.h
+++ b/arch/powerpc/include/asm/unistd.h
@@ -341,10 +341,11 @@
#define __NR_dup3 316
#define __NR_pipe2 317
#define __NR_inotify_init1 318
+#define __NR_perf_counter_open 319
#ifdef __KERNEL__
-#define __NR_syscalls 319
+#define __NR_syscalls 320
#define __NR__exit __NR_exit
#define NR_syscalls __NR_syscalls
diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype
index 3d0c776f888..94dd1fb9a00 100644
--- a/arch/powerpc/platforms/Kconfig.cputype
+++ b/arch/powerpc/platforms/Kconfig.cputype
@@ -1,6 +1,7 @@
config PPC64
bool "64-bit kernel"
default n
+ select HAVE_PERF_COUNTERS
help
This option selects whether a 32-bit or a 64-bit kernel
will be built.