From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from hrndva-omtalb.mail.rr.com (hrndva-omtalb.mail.rr.com [71.74.56.124]) by ozlabs.org (Postfix) with ESMTP id 38943DDDB6 for ; Thu, 12 Feb 2009 12:13:47 +1100 (EST) Message-Id: <20090212011343.947092143@goodmis.org> References: <20090212011051.265346435@goodmis.org> Date: Wed, 11 Feb 2009 20:10:58 -0500 From: Steven Rostedt To: linux-kernel@vger.kernel.org Subject: [PATCH 7/7][RFC] powerpc32, ftrace: dynamic function graph tracer Cc: linuxppc-dev@ozlabs.org, Paul Mackerras , Frederic Weisbecker , Ingo Molnar , Andrew Morton List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Steven Rostedt This patch gets function graph tracing working with dynamic function tracer on PowerPC32. Signed-off-by: Steven Rostedt --- arch/powerpc/Kconfig | 2 +- arch/powerpc/kernel/entry_32.S | 8 ++++++-- 2 files changed, 7 insertions(+), 3 deletions(-) diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 9e4bd20..40b7981 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -111,7 +111,7 @@ config PPC select HAVE_FTRACE_MCOUNT_RECORD select HAVE_DYNAMIC_FTRACE select HAVE_FUNCTION_TRACER - select HAVE_FUNCTION_GRAPH_TRACER if PPC64 || !DYNAMIC_FTRACE + select HAVE_FUNCTION_GRAPH_TRACER select ARCH_WANT_OPTIONAL_GPIOLIB select HAVE_IDE select HAVE_IOREMAP_PROT diff --git a/arch/powerpc/kernel/entry_32.S b/arch/powerpc/kernel/entry_32.S index 9cf7083..529bfbb 100644 --- a/arch/powerpc/kernel/entry_32.S +++ b/arch/powerpc/kernel/entry_32.S @@ -1183,7 +1183,12 @@ _GLOBAL(ftrace_caller) ftrace_call: bl ftrace_stub nop - +#ifdef CONFIG_FUNCTION_GRAPH_TRACER +.globl ftrace_graph_call +ftrace_graph_call: + b ftrace_graph_stub +_GLOBAL(ftrace_graph_stub) +#endif MCOUNT_RESTORE_FRAME /* old link register ends up in ctr reg */ bctr @@ -1205,7 +1210,6 @@ _GLOBAL(_mcount) b ftrace_graph_caller #endif MCOUNT_RESTORE_FRAME - bctr #endif -- 1.5.6.5 --