From: Steven Rostedt <rostedt@goodmis.org>
To: linux-kernel@vger.kernel.org
Cc: linuxppc-dev@ozlabs.org, Paul Mackerras <paulus@samba.org>,
Frederic Weisbecker <fweisbec@gmail.com>,
Ingo Molnar <mingo@elte.hu>,
Andrew Morton <akpm@linux-foundation.org>
Subject: [PATCH 7/7][RFC] powerpc32, ftrace: dynamic function graph tracer
Date: Wed, 11 Feb 2009 20:10:58 -0500 [thread overview]
Message-ID: <20090212011343.947092143@goodmis.org> (raw)
In-Reply-To: 20090212011051.265346435@goodmis.org
From: Steven Rostedt <rostedt@gollum.(none)>
This patch gets function graph tracing working with dynamic function
tracer on PowerPC32.
Signed-off-by: Steven Rostedt <rostedt@gollum.(none)>
---
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
--
WARNING: multiple messages have this Message-ID (diff)
From: Steven Rostedt <rostedt@goodmis.org>
To: linux-kernel@vger.kernel.org
Cc: Ingo Molnar <mingo@elte.hu>,
Andrew Morton <akpm@linux-foundation.org>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Frederic Weisbecker <fweisbec@gmail.com>,
linuxppc-dev@ozlabs.org, Paul Mackerras <paulus@samba.org>
Subject: [PATCH 7/7][RFC] powerpc32, ftrace: dynamic function graph tracer
Date: Wed, 11 Feb 2009 20:10:58 -0500 [thread overview]
Message-ID: <20090212011343.947092143@goodmis.org> (raw)
In-Reply-To: 20090212011051.265346435@goodmis.org
[-- Attachment #1: 0007-powerpc32-ftrace-dynamic-function-graph-tracer.patch --]
[-- Type: text/plain, Size: 1396 bytes --]
From: Steven Rostedt <rostedt@gollum.(none)>
This patch gets function graph tracing working with dynamic function
tracer on PowerPC32.
Signed-off-by: Steven Rostedt <rostedt@gollum.(none)>
---
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
--
next prev parent reply other threads:[~2009-02-12 1:13 UTC|newest]
Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-12 1:10 [PATCH 0/7][RFC] function graph tracer port to PowerPC Steven Rostedt
2009-02-12 1:10 ` Steven Rostedt
2009-02-12 1:10 ` [PATCH 1/7][RFC] tracing/function-graph-tracer: make arch generic push pop functions Steven Rostedt
2009-02-12 1:10 ` Steven Rostedt
2009-02-12 1:10 ` [PATCH 2/7][RFC] powerpc64: port of the function graph tracer Steven Rostedt
2009-02-12 1:10 ` Steven Rostedt
2009-02-13 4:12 ` Benjamin Herrenschmidt
2009-02-13 4:12 ` Benjamin Herrenschmidt
2009-02-13 4:18 ` Steven Rostedt
2009-02-13 4:18 ` Steven Rostedt
2009-02-12 1:10 ` [PATCH 3/7][RFC] powerpc64, tracing: add function graph tracer with dynamic tracing Steven Rostedt
2009-02-12 1:10 ` Steven Rostedt
2009-02-13 4:15 ` Benjamin Herrenschmidt
2009-02-13 4:15 ` Benjamin Herrenschmidt
2009-02-13 4:20 ` Steven Rostedt
2009-02-13 4:20 ` Steven Rostedt
2009-02-13 5:22 ` Steven Rostedt
2009-02-13 5:22 ` Steven Rostedt
2009-02-12 1:10 ` [PATCH 4/7][RFC] powerpc64, ftrace: save toc only on modules for function graph Steven Rostedt
2009-02-12 1:10 ` Steven Rostedt
2009-02-12 1:10 ` [PATCH 5/7][RFC] powerpc32, ftrace: save and restore mcount regs with macro Steven Rostedt
2009-02-12 1:10 ` Steven Rostedt
2009-02-12 1:10 ` [PATCH 6/7][RFC] powerpc32, ftrace: port function graph tracer to ppc32, static only Steven Rostedt
2009-02-12 1:10 ` Steven Rostedt
2009-02-12 1:10 ` Steven Rostedt [this message]
2009-02-12 1:10 ` [PATCH 7/7][RFC] powerpc32, ftrace: dynamic function graph tracer Steven Rostedt
2009-02-12 1:55 ` [PATCH 0/7][RFC] function graph tracer port to PowerPC Frederic Weisbecker
2009-02-12 1:55 ` Frederic Weisbecker
2009-02-12 2:16 ` Steven Rostedt
2009-02-12 2:16 ` Steven Rostedt
2009-02-12 4:08 ` Frederic Weisbecker
2009-02-12 4:08 ` Frederic Weisbecker
2009-02-12 16:31 ` Steven Rostedt
2009-02-12 16:31 ` Steven Rostedt
2009-02-12 16:47 ` Frederic Weisbecker
2009-02-12 16:47 ` Frederic Weisbecker
2009-02-12 16:58 ` Steven Rostedt
2009-02-12 16:58 ` Steven Rostedt
2009-02-13 4:18 ` Benjamin Herrenschmidt
2009-02-13 4:18 ` Benjamin Herrenschmidt
2009-02-12 2:23 ` Michael Ellerman
2009-02-12 2:23 ` Michael Ellerman
2009-02-12 2:37 ` Steven Rostedt
2009-02-12 2:37 ` Steven Rostedt
2009-02-12 16:35 ` Steven Rostedt
2009-02-12 16:35 ` Steven Rostedt
2009-02-12 23:32 ` Geoff Levand
2009-02-12 23:32 ` Geoff Levand
2009-02-12 23:41 ` Steven Rostedt
2009-02-12 23:41 ` Steven Rostedt
2009-02-12 23:44 ` Josh Boyer
2009-02-12 23:44 ` Josh Boyer
2009-02-12 23:44 ` Geoff Levand
2009-02-12 23:44 ` Geoff Levand
2009-02-12 23:51 ` Steven Rostedt
2009-02-12 23:51 ` Steven Rostedt
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