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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20071206025948.008490249@polymtl.ca \
--to=mathieu.desnoyers@polymtl.ca \
--cc=akpm@linux-foundation.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@elte.hu \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.