From: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
To: akpm@linux-foundation.org, Ingo Molnar <mingo@elte.hu>,
linux-kernel@vger.kernel.org
Cc: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Subject: [patch-early-RFC 08/10] LTTng Sparc instrumentation
Date: Wed, 05 Dec 2007 21:56:58 -0500 [thread overview]
Message-ID: <20071206025948.008490249@polymtl.ca> (raw)
In-Reply-To: 20071206025650.451824066@polymtl.ca
[-- Attachment #1: lttng-instrumentation-sparc.patch --]
[-- Type: text/plain, Size: 3084 bytes --]
syscall trace missing
traps missing
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
---
arch/sparc/kernel/entry.S | 10 +++++-----
arch/sparc/kernel/process.c | 1 +
arch/sparc/kernel/sys_sparc.c | 2 ++
3 files changed, 8 insertions(+), 5 deletions(-)
Index: linux-2.6-lttng/arch/sparc/kernel/entry.S
===================================================================
--- linux-2.6-lttng.orig/arch/sparc/kernel/entry.S 2007-11-13 09:25:23.000000000 -0500
+++ linux-2.6-lttng/arch/sparc/kernel/entry.S 2007-11-13 09:50:18.000000000 -0500
@@ -1231,7 +1231,7 @@ sys_ptrace:
add %sp, STACKFRAME_SZ, %o0
ld [%curptr + TI_FLAGS], %l5
- andcc %l5, _TIF_SYSCALL_TRACE, %g0
+ andcc %l5, (_TIF_SYSCALL_TRACE|_TIF_KERNEL_TRACE), %g0
be 1f
nop
@@ -1280,7 +1280,7 @@ sys_sigreturn:
add %sp, STACKFRAME_SZ, %o0
ld [%curptr + TI_FLAGS], %l5
- andcc %l5, _TIF_SYSCALL_TRACE, %g0
+ andcc %l5, (_TIF_SYSCALL_TRACE|_TIF_KERNEL_TRACE), %g0
be 1f
nop
@@ -1300,7 +1300,7 @@ sys_rt_sigreturn:
add %sp, STACKFRAME_SZ, %o0
ld [%curptr + TI_FLAGS], %l5
- andcc %l5, _TIF_SYSCALL_TRACE, %g0
+ andcc %l5, (_TIF_SYSCALL_TRACE|_TIF_KERNEL_TRACE), %g0
be 1f
nop
@@ -1436,7 +1436,7 @@ syscall_is_too_hard:
ld [%curptr + TI_FLAGS], %l5
mov %i3, %o3
- andcc %l5, _TIF_SYSCALL_TRACE, %g0
+ andcc %l5, (_TIF_SYSCALL_TRACE|_TIF_KERNEL_TRACE), %g0
mov %i4, %o4
bne linux_syscall_trace
mov %i0, %l5
@@ -1453,7 +1453,7 @@ ret_sys_call:
ld [%sp + STACKFRAME_SZ + PT_PSR], %g3
set PSR_C, %g2
bgeu 1f
- andcc %l6, _TIF_SYSCALL_TRACE, %g0
+ andcc %l6, (_TIF_SYSCALL_TRACE|_TIF_KERNEL_TRACE), %g0
/* System call success, clear Carry condition code. */
andn %g3, %g2, %g3
Index: linux-2.6-lttng/arch/sparc/kernel/sys_sparc.c
===================================================================
--- linux-2.6-lttng.orig/arch/sparc/kernel/sys_sparc.c 2007-11-13 09:25:23.000000000 -0500
+++ linux-2.6-lttng/arch/sparc/kernel/sys_sparc.c 2007-11-13 09:50:18.000000000 -0500
@@ -120,6 +120,8 @@ asmlinkage int sys_ipc (uint call, int f
version = call >> 16; /* hack for backward compatibility */
call &= 0xffff;
+ trace_mark(kernel_arch_ipc_call, "call %u first %d", call, first);
+
if (call <= SEMCTL)
switch (call) {
case SEMOP:
Index: linux-2.6-lttng/arch/sparc/kernel/process.c
===================================================================
--- linux-2.6-lttng.orig/arch/sparc/kernel/process.c 2007-11-13 09:25:23.000000000 -0500
+++ linux-2.6-lttng/arch/sparc/kernel/process.c 2007-11-13 09:50:18.000000000 -0500
@@ -709,6 +709,7 @@ pid_t kernel_thread(int (*fn)(void *), v
"i" (__NR_clone), "r" (flags | CLONE_VM | CLONE_UNTRACED),
"i" (__NR_exit), "r" (fn), "r" (arg) :
"g1", "g2", "g3", "o0", "o1", "memory", "cc");
+ trace_mark(kernel_arch_kthread_create, "pid %ld fn %p", retval, fn);
return retval;
}
--
Mathieu Desnoyers
Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal
OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68
next prev parent reply other threads:[~2007-12-06 3:02 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-12-06 2:56 [patch-early-RFC 00/10] LTTng architecture dependent instrumentation Mathieu Desnoyers
2007-12-06 2:56 ` [patch-early-RFC 01/10] LTTng - ARM instrumentation Mathieu Desnoyers
2007-12-06 2:56 ` [patch-early-RFC 02/10] LTTng - x86_32 instrumentation Mathieu Desnoyers
2007-12-06 2:56 ` [patch-early-RFC 03/10] LTTng - MIPS instrumentation Mathieu Desnoyers
2007-12-06 2:56 ` [patch-early-RFC 04/10] LTTng instrumentation Powerpc Mathieu Desnoyers
2007-12-06 2:56 ` [patch-early-RFC 05/10] LTTng instrumentation PPC Mathieu Desnoyers
2007-12-06 2:56 ` [patch-early-RFC 06/10] LTTng - instrumentation SH Mathieu Desnoyers
2007-12-06 2:56 ` [patch-early-RFC 07/10] LTTng instrumentation SH64 Mathieu Desnoyers
2007-12-06 2:56 ` Mathieu Desnoyers [this message]
2007-12-06 2:56 ` [patch-early-RFC 09/10] LTTng - x86_64 instrumentation Mathieu Desnoyers
2007-12-06 2:57 ` [patch-early-RFC 10/10] LTTng - s390 instrumentation Mathieu Desnoyers
2007-12-06 10:11 ` [patch-early-RFC 00/10] LTTng architecture dependent instrumentation Ingo Molnar
2007-12-06 14:19 ` Mathieu Desnoyers
2007-12-08 19:05 ` Mathieu Desnoyers
2007-12-10 0:28 ` Mathieu Desnoyers
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