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Message-ID: <20081008222049.GA29092@elte.hu>
Date: Thu, 9 Oct 2008 00:20:49 +0200
From: Ingo Molnar <mingo@...e.hu>
To: Linus Torvalds <torvalds@...ux-foundation.org>,
Andrew Morton <akpm@...ux-foundation.org>
Cc: linux-kernel@...r.kernel.org, Steven Rostedt <rostedt@...dmis.org>
Subject: What's new in tracing.git for v2.6.28
The tracing family of trees had 8 topic trees active during the past 3
months of the v2.6.28 development cycle:
tracing/fastboot tracing/ftrace tracing/markers
tracing/mmiotrace tracing/nmisafe tracing/pipe
tracing/ring-buffer tracing/stack-tracer
97 files changed, 6699 insertions(+), 1702 deletions(-)
It contains 146 non-merge commits from 19 authors.
The biggest item is the much talked about tracing ring-buffer
infrastructure rewrite, but there's a good deal of activity elsewhere as
well: a new fastboot (initcall) tracer, maximum stack-footprint tracer
and various updates all around.
Ingo
------------->
Andrew Morton (1):
kbuild: ftrace: don't assume that scripts/recordmcount.pl is executable
Arjan van de Ven (17):
fastboot: create a "asynchronous" initlevel
fastboot: turn the USB hostcontroller initcalls into async initcalls
fastboot: convert a few non-critical ACPI drivers to async initcalls
fastboot: hold the BKL over the async init call sequence
fastboot: sync the async execution before late_initcall and move level 6s (sync) first
fastboot: make fastboot a config option
modules: extend initcall_debug functionality to the module loader
fastboot: retry mounting the root fs if we can't find init
fastboot: make the raid autodetect code wait for all devices to init
fastboot: remove "wait for all devices before mounting root" delay
fastboot: make the RAID autostart code print a message just before waiting
fastboot: fix blackfin breakage due to vmlinux.lds change
Add a script to visualize the kernel boot process / time
fastboot: fix issues and improve output of bootgraph.pl
use the fancy new printk flags to print the function pointer
raid: make RAID autodetect default a KConfig option
tracing/fastboot: fix printk format typo in boot tracer
Arnaud Patard (1):
fastboot: Fix bootgraph.pl initcall name regexp
Frederic Weisbecker (9):
tracing/ftrace: change the type of the print_line callback
tracing/ftrace: adapt mmiotrace to the new type of print_line
tracing/ftrace: adapt the boot tracer to the new print_line type
tracing/ftrace: adapt mmiotrace to the new type of print_line, fix
tracing/fastboot: change the printing of boot tracer according to bootgraph.pl
tracing/fastboot: get the initcall name before it disappears
tracing/fastboot: only trace non-module initcalls
ftrace: return an error when setting a nonexistent tracer
tracing/fastboot: fix initcalls disposition in bootgraph.pl
Frédéric Weisbecker (11):
ftrace: fix some mistakes in error messages
tracing/ftrace: make nop tracer reset previous entries
tracing/ftrace: tracing engine depends on Nop Tracer
tracing/ftrace: replace none tracer by nop tracer
tracing/ftrace: add the boot tracer
tracing/ftrace: make tracing suitable to run the boot tracer
tracing/ftrace: give an entry on the config for boot tracer
tracing/ftrace: launch boot tracing after pre-smp initcalls
ftrace/fastboot: disable tracers self-tests when boot tracer is selected
x86/ftrace: use uaccess in atomic context
tracing/ftrace: don't consume unhandled entries by boot tracer
Harvey Harrison (1):
x86: suppress trivial sparse signedness warnings
Huang Ying (1):
ftrace: fix incorrect comment style of __ftrace_enabled_save()
Ingo Molnar (17):
sched: sched_clock() improvement: use in_nmi()
x86, tracing, nmisafe: fix threadinfo_ -> TI_ rename fallout
tracing: disable tracepoints by default
sched: clean up tracepoints
tracing: clean up tracepoints kconfig structure
ftrace: ignore functions that cannot be kprobe-ed
ftrace: mark lapic_wd_event() notrace
fastboot: fix typo in init/Kconfig text
ftrace: build fix
ftrace: ftrace_kill_atomic() build fix
ftrace: scripts/recordmcount.pl cross-build hack
ftrace: clean up macro usage
warning: fix init do_mounts_md c
stack tracer: depends on DEBUG_KERNEL
ftrace: make it depend on DEBUG_KERNEL
ring-buffer: fix build error
tracing/fastboot: build fix
Jeremy Fitzhardinge (1):
ftrace: fix build problem with CONFIG_FTRACE
Lai Jiangshan (1):
markers: fix unregister bug and reenter bug
Li, Shaohua (1):
fastboot: remove duplicate unpack_to_rootfs()
Mathieu Desnoyers (21):
Stringify support commas
Change Alpha active count bit
Change avr32 active count bit
x86_64 page fault NMI-safe
x86 NMI-safe INT3 and Page Fault
rcu: add rcu_read_lock_sched() & rcu_read_unlock_sched() APIs
tracing: Kernel Tracepoints
tracing: tracepoints, documentation
tracing: tracepoints, samples
tracing, sched: LTTng instrumentation - scheduler
ftrace: port to tracepoints
tracepoints: use TABLE_SIZE macro
tracepoints: use rcu sched
tracepoints: fix reentrancy
markers: marker_synchronize_unregister()
markers: fix unregister bug and reenter bug, cleanup
markers: probe example, fix teardown
markers: documentation fix for teardown
sputrace: use marker_synchronize_unregister()
markers: re-enable fast batch registration
markers: turn marker_synchronize_unregister() into an inline
Michael Ellerman (1):
ftrace: make output nicely spaced for up to 999 cpus
Pekka Paalanen (9):
x86: fix mmiotrace 8-bit register decoding
x86 mmiotrace: fix a rare memory leak
ftrace: move mmiotrace functions out of trace.c
ftrace: add trace_vprintk()
x86 mmiotrace: implement mmiotrace_printk()
mmiotrace: handle TRACE_PRINT entries
mmiotrace: remove left-over marker cruft
ftrace: inject markers via trace_marker file
tracing/ftrace: fix pipe breaking
Peter Zijlstra (2):
ftrace: make ftrace_printk usable with the other tracers
ftrace: sched_switch: show the wakee's cpu
Rafael J. Wysocki (1):
ftrace: disable tracing for hibernation
Stephen Rothwell (1):
ftrace: fix build failure
Steven Noonan (5):
init/initramfs.c: unused function when compiling without CONFIG_BLK_DEV_RAM
ftrace: add nop tracer
ftrace: mcount_addr defined but not used
trace: remove pointless ifdefs
ftrace: ktime.h not included in ftrace.h
Steven Rostedt (46):
ftrace: do not trace NMI contexts
ftrace: create __mcount_loc section
ftrace: mcount call site on boot nops core
ftrace: enable mcount recording for modules
ftrace: rebuild everything on change to FTRACE_MCOUNT_RECORD
ftrace: enable using mcount recording on x86
ftrace: x86 mcount stub
ftrace: use only 5 byte nops for x86
ftrace: do not show freed records in available_filter_functions
ftrace: move notrace to compiler.h
ftrace: remove old pointers to mcount
ftrace: new continue entry - separate out from trace_entry
ftrace: printk formatting infrastructure
ftrace: ftrace_printk doc moved
ftrace: dump out ftrace buffers to console on panic
ftrace: do not init module on ftrace disabled
ftrace: add necessary locking for ftrace records
ftrace: update recordmount.pl arch changes
ftrace: handle weak symbol functions
ftrace: x86 use copy to and from user functions
ftrace: objcopy version test for local symbols
ftrace: add stack tracer
ftrace: remove direct reference to mcount in trace code
ftrace: remove warning of old objcopy and local functions
ftrace: stack trace add indexes
ftrace: binary and not logical for continue test
ftrace: print continue index fix
ftrace: use ftrace_release for all dynamic ftrace functions
ftrace: fix unlocking of hash
ftrace: warn on failure to disable mcount callers
ftrace: give time for wakeup test to run
tracing: unified trace buffer
ring_buffer: add paranoid check for buffer page
ring_buffer: reset buffer page when freeing
ftrace: make work with new ring buffer
ftrace: take advantage of variable length entries
ring_buffer: remove raw from local_irq_save
ring_buffer: implement new locking
ftrace: type cast filter+verifier
ring_buffer: allocate buffer page pointer
ftrace: preempt disable over interrupt disable
ring_buffer: map to cpu not page
ftrace: move pc counter in irqtrace
ring-buffer: move page indexes into page headers
ring-buffer: make reentrant
ftrace: make some tracers reentrant
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