[patch 0/2] Sorted Module List for 2.6.23-rc6-mm1

Hi Andrew, Here is the updated sorted module list, required by the linux kernel markers. It applies to 2.6.23-rc6-mm1 in this order: seq_file_sorted.patch module.c-sort-module-list.patch Mathieu -- Mathieu Desnoyers Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal OpenPGP

[patch 1/2] Seq_file add support for sorted list

the buffer has been emptied. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- fs/seq_file.c| 47 +++ include/linux/seq_file.h | 20 2 files changed, 67 insertions(+) Index: linux-2.6-lttng/fs/seq_file.c

[patch 2/2] Sort module list by pointer address to get coherent sleepable seq_file iterators

implemented in module.c for that. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- kernel/module.c | 23 +++ 1 file changed, 19 insertions(+), 4 deletions(-) Index: linux-2.6-lttng/kernel/module.c

[PATCH] Combine instrumentation menus in kernel/Kconfig.instrumentation

you did for avr32 seems more on the right track to me: make _one_ Instrumentation support menu that includes PROFILING, OPROFILE, KPROBES, and MARKERS and then use (source) that in all of the arches. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] Acked-by: Randy Dunlap [EMAIL PROTECTED

[patch 0/4] Linux Kernel Markers for 2.6.23-rc6-mm1

-menu.patch linux-kernel-markers-documentation.patch linux-kernel-markers-port-blktrace-to-markers.patch You can find a tarball of this patch and all its dependencies at: http://ltt.polymtl.ca/markers/markers-patches-for-2.6.23-rc6-mm1-18-09-2007.tar.bz2 Mathieu -- Mathieu Desnoyers Computer

[patch 3/4] Linux Kernel Markers - Documentation

Here is some documentation explaining what is/how to use the Linux Kernel Markers. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] Acked-by: Frank Ch. Eigler [EMAIL PROTECTED] CC: Christoph Hellwig [EMAIL PROTECTED] --- Documentation/markers/markers.txt | 93

[patch 1/4] Linux Kernel Markers - Architecture Independent Code

, marker_get_next and marker_release should be used as iterators on the markers. Changelog: - markers_mutex now nests inside module_mutex rather than the opposite. - Iteration on modules is now done in module.c. - module_mutex is not exported anymore. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] Acked

[patch 2/4] Linux Kernel Markers - Use instrumentation kconfig menu

. There would be no need for them to maintain kernel patches any more. Let's think about it. This patch: Add Kconfig menus for the marker code. [EMAIL PROTECTED]: Never ever select MODULES] Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] Acked-by: Frank Ch. Eigler [EMAIL PROTECTED] CC: Christoph

[patch 4/4] Port of blktrace to the Linux Kernel Markers.

a generic infrastructure is in place to serialize the information passed to the marker. This is mostly why I consider it as a step towards the full improvements that could bring the markers. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] Acked-by: Frank Ch. Eigler [EMAIL PROTECTED] CC: Jens Axboe

[patch 7/7] Scheduler Profiling - Use Immediate Values

Use immediate values with lower d-cache hit in optimized version as a condition for scheduler profiling call. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- drivers/kvm/kvm_main.c |3 ++- include/linux/profile.h |5 +++-- kernel/profile.c| 22 +++--- 3

[patch 6/7] Immediate Values - Documentation

Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- Documentation/immediate.txt | 228 1 file changed, 228 insertions(+) Index: linux-2.6-lttng/Documentation/immediate.txt

[patch 04/11] Add INIT_ARRAY() to kernel.h

Add initialization of an array, which needs brackets that would pollute kernel code, to kernel.h. It is used to declare arguments passed as function parameters such as: text_poke(addr, INIT_ARRAY(unsigned char, 0xf0, len), len); Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- include

[patch 07/11] Text Edit Lock - kprobes architecture independent support

Use the mutual exclusion provided by the text edit lock in the kprobes code. It allows coherent manipulation of the kernel code by other subsystems. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] Acked-by: Ananth N Mavinakayanahalli [EMAIL PROTECTED] CC: [EMAIL PROTECTED] CC: [EMAIL PROTECTED

[patch 06/11] Text Edit Lock - Alternative code for i386 and x86_64

). - Export add_nops, so it can be used by others. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] CC: Andi Kleen [EMAIL PROTECTED] CC: [EMAIL PROTECTED] --- arch/i386/kernel/alternative.c | 78 +-- include/asm-i386/alternative.h | 38

Re: [PATCH] Combine instrumentation menus in kernel/Kconfig.instrumentation

* [EMAIL PROTECTED] ([EMAIL PROTECTED]) wrote: On Tue, 18 Sep 2007 17:12:59 EDT, Mathieu Desnoyers said: +++ linux-2.6-lttng/kernel/Kconfig.instrumentation 2007-09-18 13:18:17.000 00 -0400 @@ -0,0 +1,40 @@ +menuconfig INSTRUMENTATION + bool Instrumentation Support + default

Re: [patch 4/7] Immediate Values - i386 Optimization

* Jeremy Fitzhardinge ([EMAIL PROTECTED]) wrote: Mathieu Desnoyers wrote: +#define immediate_read(name) \ + ({ \ + __typeof__(name##__immediate) value

Re: [patch 4/7] Immediate Values - i386 Optimization

* H. Peter Anvin ([EMAIL PROTECTED]) wrote: Jeremy Fitzhardinge wrote: Mathieu Desnoyers wrote: +#define immediate_read(name) \ + ({ \ + __typeof__(name##__immediate

Re: [patch 4/7] Immediate Values - i386 Optimization

add 2 bytes to be aligned on the next 4 bytes - 1. And yes, it's a pity there is no way to produce the long-nops there. :( Mathieu -Andi -- Mathieu Desnoyers Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE

Re: [patch 2/7] Immediate Values - Kconfig menu in EMBEDDED

* Randy Dunlap ([EMAIL PROTECTED]) wrote: On Tue, 18 Sep 2007 17:07:49 -0400 Mathieu Desnoyers wrote: Immediate values provide a way to use dynamic code patching to update variables sitting within the instruction stream. It saves caches lines normally used by static read mostly

Re: [patch 3/4] Linux Kernel Markers - Documentation

* Randy Dunlap ([EMAIL PROTECTED]) wrote: On Tue, 18 Sep 2007 17:13:27 -0400 Mathieu Desnoyers wrote: Here is some documentation explaining what is/how to use the Linux Kernel Markers. --- Documentation/markers/markers.txt | 93

Re: [PATCH] Combine instrumentation menus in kernel/Kconfig.instrumentation

* [EMAIL PROTECTED] ([EMAIL PROTECTED]) wrote: On Tue, 18 Sep 2007 21:06:28 EDT, Mathieu Desnoyers said: * [EMAIL PROTECTED] ([EMAIL PROTECTED]) wrote: OK, I'll bite - given the mention of 'debugging' there, do we want to go for broke and *also* suck in the 'Kernel Hacking' menu

Re: [patch 1/7] Immediate Values - Architecture Independent Code

* Denys Vlasenko ([EMAIL PROTECTED]) wrote: On Tuesday 18 September 2007 21:47, Mathieu Desnoyers wrote: * Denys Vlasenko ([EMAIL PROTECTED]) wrote: On Tuesday 18 September 2007 18:59, Mathieu Desnoyers wrote: * Denys Vlasenko ([EMAIL PROTECTED]) wrote: On Monday 17 September 2007

Re: [patch 1/4] Linux Kernel Markers - Architecture Independent Code

* Mathieu Desnoyers ([EMAIL PROTECTED]) wrote: The marker activation functions sits in kernel/marker.c. A hash table is used to keep track of the registered probes and armed markers, so the markers within a newly loaded module that should be active can be activated at module load time

Re: [PATCH] Combine instrumentation menus in kernel/Kconfig.instrumentation

* Robert P. J. Day ([EMAIL PROTECTED]) wrote: On Wed, 19 Sep 2007, Mathieu Desnoyers wrote: * [EMAIL PROTECTED] ([EMAIL PROTECTED]) wrote: Ahh, LTT. *that* I recognize. Yeah, I count that as *one flavor* of instrumentation. :) mathieu clarified this in a previous email to me

Re: [patch 4/7] Immediate Values - i386 Optimization

there ? If it is, then we can safely align on 2 bytes boundaries.) * 4 bytes B8 + rd MOV r32, imm32 (1 byte opcode) C7 /0 MOV r/m32, imm32 (2 bytes opcode) (the 2 bytes opcode can be a problem) I have missed anything ? Mathieu -- Mathieu Desnoyers Computer Engineering Ph.D

Re: [patch 4/7] Immediate Values - i386 Optimization

* Mathieu Desnoyers ([EMAIL PROTECTED]) wrote: * Jeremy Fitzhardinge ([EMAIL PROTECTED]) wrote: H. Peter Anvin wrote: Allowing different registers should be doable, but if so, one would have to put 0: at the *end* of the instruction and use (0f)-4 instead, since the non-%eax forms

Re: [patch 4/7] Immediate Values - i386 Optimization

* Jeremy Fitzhardinge ([EMAIL PROTECTED]) wrote: H. Peter Anvin wrote: Mathieu Desnoyers wrote: Ok, let's have a good look at what we want: 1 - get a pointer to the beginning of the immediate value within the instruction. 2 - make sure that the immediate value, within

Re: [patch 4/7] Immediate Values - i386 Optimization

of a function compiled with -O2...). Mathieu -- Mathieu Desnoyers Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68 - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message

Re: [patch 1/4] Linux Kernel Markers - Architecture Independent Code

* Denys Vlasenko ([EMAIL PROTECTED]) wrote: On Wednesday 19 September 2007 12:37, Mathieu Desnoyers wrote: Index: linux-2.6-lttng/include/asm-generic/vmlinux.lds.h === --- linux-2.6-lttng.orig/include/asm-generic

Re: [patch 1/4] Linux Kernel Markers - Architecture Independent Code

* Mathieu Desnoyers ([EMAIL PROTECTED]) wrote: * Denys Vlasenko ([EMAIL PROTECTED]) wrote: On Wednesday 19 September 2007 12:37, Mathieu Desnoyers wrote: Index: linux-2.6-lttng/include/asm-generic/vmlinux.lds.h

Re: [PATCH] markers: modpost

* David Smith ([EMAIL PROTECTED]) wrote: Mathieu Desnoyers wrote: Hrm, what would happen if a gcc optimization eventually decides to mix the memory layout of the strings ? Is there something that specifies that they won't ? Here's another patch that Roland wrote and I tested

Re: [PATCH] Move kprobes examples to samples/ (resend)

. Mathieu -- Mathieu Desnoyers Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68 - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More

[patch 0/4] Instrumentation menu removal

: # instrumentation menu removal #for -mm add-kconfig-to-arch.patch add-arch-supports-oprofile.patch add-arch-supports-kprobes.patch move-kconfig-instrumentation-to-arch.patch This should be ready for -mm. Mathieu -- Mathieu Desnoyers Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal

[patch 3/4] Add ARCH_SUPPORTS_KPROBES

use config ARCH_SUPPORTS_KPROBES def_bool y instead, which is a bit denser. We seem to use both kinds of syntax for these things, but this is really what def_bool is there for... Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] CC: Linus Torvalds [EMAIL PROTECTED] CC

[patch 1/4] Create arch/Kconfig

introduce such a file then we should use ARCH_HAS_whatever in the arch specific Kconfig files to enable stuff that is not shared. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] CC: Linus Torvalds [EMAIL PROTECTED] CC: Sam Ravnborg [EMAIL PROTECTED] --- arch/Kconfig |3 +++ init/Kconfig |2

[patch 4/4] Move Kconfig.instrumentation to arch/Kconfig and init/Kconfig

/Kconfig.instrumentation file. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] CC: Linus Torvalds [EMAIL PROTECTED] CC: Sam Ravnborg [EMAIL PROTECTED] --- arch/Kconfig | 22 ++ arch/alpha/Kconfig |2 - arch/arm/Kconfig |2 - arch

[patch 2/4] Add ARCH_SUPPORTS_OPROFILE

use config ARCH_SUPPORTS_KPROBES def_bool y instead, which is a bit denser. We seem to use both kinds of syntax for these things, but this is really what def_bool is there for... Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] CC: Linus Torvalds [EMAIL PROTECTED] CC

Re: [RFC] Add markers into semaphore primitives

at http://www.tux.org/lkml/ -- Mathieu Desnoyers Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68 - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL

[patch 2/3] Linux Kernel Markers - Document format string

Describes the format string standard further: Use of field names before the type specifiers.. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- Documentation/markers.txt |6 -- 1 file changed, 4 insertions(+), 2 deletions(-) Index: linux-2.6-lttng/Documentation/markers.txt

[patch 1/3] Linux Kernel Markers - Fix marker mutex not taken upon module load

. Includes some cleanup from Dave Hansen [EMAIL PROTECTED]. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- kernel/marker.c | 41 + 1 file changed, 17 insertions(+), 24 deletions(-) Index: linux-2.6-lttng/kernel/marker.c

[patch 0/3] Linux Kernel Markers Fixes

-git3 in this order: #for -mm markers-fix-markers-mutex-upon-module-load.patch markers-document-markers-format-strings.patch markers-fix-example-format-string.patch They should be merged in mainline before 2.6.24 final (especially the mutex fix). Mathieu -- Mathieu Desnoyers Computer Engineering

[patch 3/3] Linux Kernel Markers - fix samples to follow format string standard

Add the field names to marker example format string. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- samples/markers/marker-example.c |3 ++- samples/markers/probe-example.c |2 +- 2 files changed, 3 insertions(+), 2 deletions(-) Index: linux-2.6-lttng/samples/markers/marker

[patch 00/11] Text Edit Lock

text-edit-lock-x86_64-standardize-debug-rodata.patch Mathieu -- Mathieu Desnoyers Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68 - To unsubscribe from this list: send the line unsubscribe linux

[patch 04/11] Add INIT_ARRAY() to kernel.h

Add initialization of an array, which needs brackets that would pollute kernel code, to kernel.h. It is used to declare arguments passed as function parameters such as: text_poke(addr, INIT_ARRAY(unsigned char, 0xf0, len), len); Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- include

[patch 11/11] Text Edit Lock - x86_64 standardize debug rodata

Standardize DEBUG_RODATA, removing special cases for hotplug and kprobes. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] CC: Andi Kleen [EMAIL PROTECTED] CC: [EMAIL PROTECTED] --- arch/x86_64/mm/init.c | 23 +-- 1 file changed, 5 insertions(+), 18 deletions(-) Index

[patch 10/11] Text Edit Lock - x86_32 standardize debug rodata

Standardize DEBUG_RODATA, removing special cases for hotplug and kprobes. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] CC: Andi Kleen [EMAIL PROTECTED] CC: [EMAIL PROTECTED] --- arch/x86/mm/init_32.c | 20 +++- 1 file changed, 7 insertions(+), 13 deletions(-) Index

[patch 05/11] Text Edit Lock - Architecture Independent Code

of the breakpoint. Other user of this interface: immediate values. Paravirt and alternatives are always done when SMP is inactive, so there is no need to use locks. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] CC: Andi Kleen [EMAIL PROTECTED] --- include/linux/memory.h |7 +++ mm

[patch 02/11] Kprobes - do not use kprobes mutex in arch code

Remove the kprobes mutex from kprobes.h, since it does not belong there. Also remove all use of this mutex in the architecture specific code, replacing it by a proper mutex lock/unlock in the architecture agnostic code. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] Acked-by: Ananth N

[patch 07/11] Text Edit Lock - kprobes architecture independent support

Use the mutual exclusion provided by the text edit lock in the kprobes code. It allows coherent manipulation of the kernel code by other subsystems. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] Acked-by: Ananth N Mavinakayanahalli [EMAIL PROTECTED] CC: [EMAIL PROTECTED] CC: [EMAIL PROTECTED

[patch 06/11] Text Edit Lock - Alternative code for x86

). - Export add_nops, so it can be used by others. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] CC: Andi Kleen [EMAIL PROTECTED] CC: [EMAIL PROTECTED] --- arch/x86/kernel/alternative.c| 78 +-- include/asm-x86/alternative_32.h | 38

[patch 08/11] Text Edit Lock - kprobes x86_32

Make kprobes use INIT_ARRAY(). Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] Tested-by: Ananth N Mavinakayanahalli [EMAIL PROTECTED] CC: Andi Kleen [EMAIL PROTECTED] CC: [EMAIL PROTECTED] CC: [EMAIL PROTECTED] CC: [EMAIL PROTECTED] CC: [EMAIL PROTECTED] --- arch/x86/kernel/kprobes_32.c

[patch 09/11] Text Edit Lock - kprobes x86_64

Make kprobes use INIT_ARRAY(). Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] Tested-by: Ananth N Mavinakayanahalli [EMAIL PROTECTED] CC: Andi Kleen [EMAIL PROTECTED] CC: [EMAIL PROTECTED] CC: [EMAIL PROTECTED] CC: [EMAIL PROTECTED] CC: [EMAIL PROTECTED] --- arch/x86/kernel/kprobes_64.c

[patch 01/11] Kprobes - use a mutex to protect the instruction pages list.

Protect the instruction pages list by a specific insn pages mutex, called in get_insn_slot() and free_insn_slot(). It makes sure that architectures that does not need to call arch_remove_kprobe() does not take an unneeded kprobes mutex. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] Acked

[patch 03/11] Kprobes - declare kprobe_mutex static

Since it will not be used by other kernel objects, it makes sense to declare it static. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] Acked-by: Ananth N Mavinakayanahalli [EMAIL PROTECTED] CC: [EMAIL PROTECTED] CC: [EMAIL PROTECTED] CC: [EMAIL PROTECTED] CC: [EMAIL PROTECTED] --- kernel

[patch 0/8] Immediate Values (now with merged x86 support)

-interrupt-to-kdebug-h.patch add-asm-compat-to-x86.patch immediate-values-x86-optimization.patch immediate-values-powerpc-optimization.patch immediate-values-documentation.patch # profiling-use-immediate-values.patch Mathieu -- Mathieu Desnoyers Computer Engineering Ph.D. Student, Ecole

[patch 8/8] Scheduler Profiling - Use Immediate Values

Use immediate values with lower d-cache hit in optimized version as a condition for scheduler profiling call. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- drivers/kvm/kvm_main.c |3 ++- include/linux/profile.h |5 +++-- kernel/profile.c| 22

[patch 7/8] Immediate Values - Documentation

Changelog: - Remove immediate_set_early (removed from API). Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- Documentation/immediate.txt | 221 1 file changed, 221 insertions(+) Index: linux-2.6-lttng/Documentation/immediate.txt

[patch 1/8] Immediate Values - Architecture Independent Code

. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] CC: Rusty Russell [EMAIL PROTECTED] --- include/asm-generic/vmlinux.lds.h |4 + include/linux/immediate.h | 83 include/linux/module.h| 16 +++ init/main.c

[patch 6/8] Immediate Values - Powerpc Optimization

PowerPC optimization of the immediate values which uses a li instruction, patched with an immediate value. Changelog: - Put immediate_set and _immediate_set in the architecture independent header. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] CC: Christoph Hellwig [EMAIL PROTECTED

[patch 2/8] Immediate Values - Kconfig menu in EMBEDDED

code when we decide not to use optimized immediate values at all (it removes otherwise unused code). Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] CC: Adrian Bunk [EMAIL PROTECTED] CC: Andi Kleen [EMAIL PROTECTED] CC: Alexey Dobriyan [EMAIL PROTECTED] CC: Christoph Hellwig [EMAIL PROTECTED

[patch 4/8] Add asm-compat.h to x86

code shared between 32 and 64 bits architectures in x86. More compatible assembly macros could be added in this header later when needed. I had to create this to implement a merged optimized immediate values header for x86. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] CC: Thomas Gleixner

[patch 3/8] Immediate Values - Move Kprobes x86 restore_interrupt to kdebug.h

Since the breakpoint handler is useful both to kprobes and immediate values, it makes sense to make the required restore_interrupt() available through asm-i386/kdebug.h. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] Acked-by: Ananth N Mavinakayanahalli [EMAIL PROTECTED] CC: Christoph Hellwig

[patch 5/8] Immediate Values - x86 Optimization

+x86_64 - x86 merge. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] CC: Andi Kleen [EMAIL PROTECTED] CC: H. Peter Anvin [EMAIL PROTECTED] CC: Chuck Ebbert [EMAIL PROTECTED] CC: Christoph Hellwig [EMAIL PROTECTED] CC: Jeremy Fitzhardinge [EMAIL PROTECTED] --- arch/x86/Kconfig.i386 |3

[RFC 0/3] Linux Kernel Markers new features

-- Mathieu Desnoyers Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68 - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More majordomo info

[RFC 1/3] Linux Kernel Markers - Support Multiple Probes

the preempt disable section. - Move probe arm to probe connection. Now, a connected probe is automatically armed. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- include/linux/marker.h | 51 +-- include/linux/module.h |2 kernel/marker.c | 663

[RFC 3/3] Linux Kernel Markers - Use Immediate Values

Make markers use immediate values. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- Documentation/markers.txt | 17 + include/linux/marker.h| 42 -- kernel/marker.c |8 ++-- kernel/module.c |1

[RFC 2/3] Linux Kernel Markers - Create modpost file

, which entails handling a relocation type for every machine under the sun. Mathieu : - Ran through checkpatch.pl Signed-off-by: Roland McGrath [EMAIL PROTECTED] Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- include/linux/marker.h |9 -- scripts/Makefile.modpost | 11 +++ scripts/mod

[PATCH] Kallsyms Should Prefer Non Weak Symbols

. It applies on top of 2.6.24-rc2-git3. From: Paulo Marques [EMAIL PROTECTED] Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] CC: Rusty Russell [EMAIL PROTECTED] --- scripts/kallsyms.c | 36 ++-- 1 file changed, 34 insertions(+), 2 deletions(-) Index: linux-2.6

Re: [PATCH] Kallsyms Should Prefer Non Weak Symbols

* Mathieu Desnoyers ([EMAIL PROTECTED]) wrote: [...] kallsyms returns the first symbol encountered, even though it is weak, when it should in fact return sys_ni_syscall. Is it a concern for anyone else out there ? Would it make sense to fix it ? I don't know if it is a concern

Re: [patch 5/8] Immediate Values - x86 Optimization

* H. Peter Anvin ([EMAIL PROTECTED]) wrote: Mathieu Desnoyers wrote: - Use =g constraint for char immediate value inline assembly. =g is the same as =rmi which is inherently bogus. In your actual code you use =r, the correct constraint is =q. Hi Peter, Yup, =g wasn't what I was looking

[RFC 6/7] LTTng instrumentation net

Network core events. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] CC: [EMAIL PROTECTED] --- net/core/dev.c |5 + net/ipv4/devinet.c |5 + net/socket.c | 18 ++ 3 files changed, 28 insertions(+) Index: linux-2.6-lttng/net/core/dev.c

[RFC 1/7] Include marker.h in kernel.h -- temporary, for code readability

This patch is a hack to make my life easier : it lessens the conflicts due to header includes that changes between the kernel versions. The proper way to do this is to include linux/marker.h in every file using the markers. NOT FOR UPSTREAM. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED

[RFC 5/7] LTTng instrumentation mm

Memory management core events. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] CC: [EMAIL PROTECTED] --- mm/filemap.c|4 mm/memory.c | 34 +- mm/page_alloc.c |5 + mm/page_io.c|1 + 4 files changed, 35 insertions(+), 9

[RFC 4/7] LTTng instrumentation kernel

Core kernel events. *not* present in this patch because they are architecture specific : - syscall entry/exit - traps - kernel thread creation Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- include/linux/module.h |1 + kernel/exit.c |5 + kernel/fork.c

[RFC 0/7] LTTng Kernel Instrumentation (Architecture Independent)

reporters easily. - help userspace developers to understand the interactions of their programs with other processes and with the kernel. Mathieu -- Mathieu Desnoyers Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE

[RFC 2/7] LTTng instrumentation fs

Core filesystem events markers. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] CC: Alexander Viro [EMAIL PROTECTED] --- fs/buffer.c |2 ++ fs/compat.c |1 + fs/exec.c |1 + fs/ioctl.c |2 ++ fs/open.c |2 ++ fs/read_write.c | 21

[RFC 3/7] LTTng instrumentation ipc

Interprocess communication, core events. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- ipc/msg.c |5 - ipc/sem.c |5 - ipc/shm.c |5 - 3 files changed, 12 insertions(+), 3 deletions(-) Index: linux-2.6-lttng/ipc/msg.c

[RFC 7/7] Add Markers Into Semaphore Primitives

This patch adds several markers around semaphore primitives. Along with a tracing application this patch can be useful for measuring kernel semaphore usage and contention. Signed-off-by: Mike Mason [EMAIL PROTECTED] Signed-off-by: David Wilder [EMAIL PROTECTED] Signed-off-by: Mathieu Desnoyers

Re: [patch 5/8] Immediate Values - x86 Optimization

* H. Peter Anvin ([EMAIL PROTECTED]) wrote: Mathieu Desnoyers wrote: - Use =g constraint for char immediate value inline assembly. =g is the same as =rmi which is inherently bogus. In your actual code you use =r, the correct constraint is =q. q Any register accessible as rl. In 32-bit

LTTng (Linux kernel tracer) tarball, 0.10.0-pre24

-control-0.46-06112007.tar.gz http://ltt.polymtl.ca/packages/lttv-0.10.0-pre2-07112007.tar.gz Mathieu -- Mathieu Desnoyers Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68 - To unsubscribe from

Re: [patch 4/8] Add asm-compat.h to x86 - use new asm.h instead

* H. Peter Anvin ([EMAIL PROTECTED]) wrote: Mathieu Desnoyers wrote: In assembly code and in gcc inline assembly, we need .long to express a c long type on i386 and a .quad to express the same on x86_64. Use macros similar to powerpc PPC_LONG to express those. Name chosen: ASM_LONG

Re: [patch 5/8] Immediate Values - x86 Optimization (update)

* H. Peter Anvin ([EMAIL PROTECTED]) wrote: Mathieu Desnoyers wrote: * H. Peter Anvin ([EMAIL PROTECTED]) wrote: Mathieu Desnoyers wrote: - Use =g constraint for char immediate value inline assembly. =g is the same as =rmi which is inherently bogus. In your actual code you use =r

Re: stuck nfsd processes with 2.6.24-rc2

local bus to a MasterCard local bus. - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ -- Mathieu Desnoyers

Re: LTTng (Linux kernel tracer) tarball, 0.10.0-pre25

* Mathieu Desnoyers ([EMAIL PROTECTED]) wrote: Hi, I have seen a few threads about unfixed kernel regression lately. I strongly believe that many kernel developers and users could help pinpointing the cause of those bugs much more efficiently by using a tool like LTTng. If you want

Re: [patch 5/8] Immediate Values - x86 Optimization (update)

* H. Peter Anvin ([EMAIL PROTECTED]) wrote: Mathieu Desnoyers wrote: * H. Peter Anvin ([EMAIL PROTECTED]) wrote: Mathieu Desnoyers wrote: * H. Peter Anvin ([EMAIL PROTECTED]) wrote: Mathieu Desnoyers wrote: - Use =g constraint for char immediate value inline assembly. =g is the same

Re: [patch 06/11] Text Edit Lock - Alternative code for x86

* [EMAIL PROTECTED] ([EMAIL PROTECTED]) wrote: On 13 Nov 2007 at 13:46, Mathieu Desnoyers wrote: +void *text_poke_early(void *addr, const void *opcode, size_t len) +{ + memcpy(addr, opcode, len); + text_sync(addr, len); + return addr; +} why do you need this function (vs

Re: [patch 5/8] Immediate Values - x86 Optimization (update)

* H. Peter Anvin ([EMAIL PROTECTED]) wrote: Mathieu Desnoyers wrote: Andi seemed to trust gas stability and you answered: The comment was referring to x86-64, but I incorrectly remembered that applying to movq $imm,%reg as opposed to loading from an absolute address. gas actually has

Re: [patch 5/8] Immediate Values - x86 Optimization (update 2)

, si, di, bp, sp). 8 bytes : (only for x86_64) =r : A register operand is allowed provided that it is in a general register. That should make sure x86_64 won't try to use REX prefixed opcodes for 1, 2 and 4 bytes values. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED

Re: [patch 06/11] Text Edit Lock - Alternative code for x86 (updated)

with ({ }) brackets (which breaks some c parsers in editors). - Export add_nops, so it can be used by others. - Remove x86 test for wp_works_ok, it will just be ignored by the architecture if not supported. - Document text_poke_early. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] CC: Andi Kleen [EMAIL

Re: [patch 5/8] Immediate Values - x86 Optimization (update 2)

* H. Peter Anvin ([EMAIL PROTECTED]) wrote: Mathieu Desnoyers wrote: Immediate Values - x86 Optimization x86 optimization of the immediate values which uses a movl with code patching to set/unset the value used to populate the register used as variable source. Changelog: - Use

[PATCH] Immediate Values x86 Optimization Declare Discarded Instruction

(the patch follows at the end of the discussion, it applies on top of the Immediate Values x86 Optimization (update 2) patch. * H. Peter Anvin ([EMAIL PROTECTED]) wrote: Mathieu Desnoyers wrote: Immediate Values - x86 Optimization x86 optimization of the immediate values which uses a movl

[PATCH] Add __discard section to x86

-by: Mathieu Desnoyers [EMAIL PROTECTED] CC: Andi Kleen [EMAIL PROTECTED] CC: H. Peter Anvin [EMAIL PROTECTED] CC: Chuck Ebbert [EMAIL PROTECTED] CC: Christoph Hellwig [EMAIL PROTECTED] CC: Jeremy Fitzhardinge [EMAIL PROTECTED] CC: Thomas Gleixner [EMAIL PROTECTED] CC: Ingo Molnar [EMAIL PROTECTED

Re: [patch 2/4] Add ARCH_SUPPORTS_OPROFILE

of trivial selects. Sorry for providing late feedback on this! Sam -- Mathieu Desnoyers Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68 - To unsubscribe from this list: send the line

Re: LTTng (Linux kernel tracer) tarball, 0.10.0-pre26

* Mathieu Desnoyers ([EMAIL PROTECTED]) wrote: * Mathieu Desnoyers ([EMAIL PROTECTED]) wrote: Hi, I have seen a few threads about unfixed kernel regression lately. I strongly believe that many kernel developers and users could help pinpointing the cause of those bugs much more

Re: [patch 5/8] Immediate Values - x86 Optimization

* Rusty Russell ([EMAIL PROTECTED]) wrote: On Wednesday 14 November 2007 05:58:05 Mathieu Desnoyers wrote: x86 optimization of the immediate values which uses a movl with code patching to set/unset the value used to populate the register used as variable source. For the record, I think

Re: [patch 5/8] Immediate Values - x86 Optimization

* Rusty Russell ([EMAIL PROTECTED]) wrote: On Thursday 15 November 2007 15:06:10 Mathieu Desnoyers wrote: * Rusty Russell ([EMAIL PROTECTED]) wrote: A stop_machine (or lightweight variant using IPI) would be sufficient and vastly simpler. Trying to patch NMI handlers while they're

Re: [RFC 5/7] LTTng instrumentation mm

* Dave Hansen ([EMAIL PROTECTED]) wrote: On Tue, 2007-11-13 at 14:33 -0500, Mathieu Desnoyers wrote: linux-2.6-lttng/mm/page_io.c2007-11-13 09:49:35.0 -0500 @@ -114,6 +114,7 @@ int swap_writepage(struct page *page, st rw |= (1 BIO_RW_SYNC

[patch 2/4] Add ARCH_SUPPORTS_OPROFILE

2007-11-15 21:24:43.0 -0500 @@ -19,6 +19,7 @@ config X86_64 config X86 bool default y + select ARCH_HAS_OPROFILE config GENERIC_TIME bool -- Mathieu Desnoyers Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal OpenPGP key fingerprint

[patch 0/4] Instrumentation menu removal, updated to 2.6.24-rc2-git5

Hi Andrew, This patchset should apply flawlessly to 2.6.24-rc2-git5. Sorry again for the inconvenience. Mathieu -- Mathieu Desnoyers Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68 - To unsubscribe

Re: [RFC 4/7] LTTng instrumentation kernel

values based markers, the 0 means an optimized markers (non-generic). I use __trace_mark directly to be able to pass the call_data argument. Thanks for the review, Mathieu -- Mathieu Desnoyers Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal OpenPGP key fingerprint: 8CD5 52C3

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