From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756535AbXLFDCh (ORCPT ); Wed, 5 Dec 2007 22:02:37 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755529AbXLFDAS (ORCPT ); Wed, 5 Dec 2007 22:00:18 -0500 Received: from smtp.polymtl.ca ([132.207.4.11]:35407 "EHLO smtp.polymtl.ca" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755053AbXLFDAM (ORCPT ); Wed, 5 Dec 2007 22:00:12 -0500 Message-Id: <20071206025948.008490249@polymtl.ca> References: <20071206025650.451824066@polymtl.ca> User-Agent: quilt/0.46-1 Date: Wed, 05 Dec 2007 21:56:58 -0500 From: Mathieu Desnoyers To: akpm@linux-foundation.org, Ingo Molnar , linux-kernel@vger.kernel.org Cc: Mathieu Desnoyers Subject: [patch-early-RFC 08/10] LTTng Sparc instrumentation Content-Disposition: inline; filename=lttng-instrumentation-sparc.patch X-Poly-FromMTA: (dijkstra.casi.polymtl.ca [132.207.72.10]) at Thu, 6 Dec 2007 02:59:50 +0000 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org syscall trace missing traps missing Signed-off-by: Mathieu Desnoyers --- 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