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Message-ID: <20090402233321.GA27734@elte.hu>
Date: Fri, 3 Apr 2009 01:33:21 +0200
From: Ingo Molnar <mingo@...e.hu>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: linux-kernel@...r.kernel.org,
Andrew Morton <akpm@...ux-foundation.org>,
Steven Rostedt <rostedt@...dmis.org>
Subject: [GIT PULL] tracing bits for v2.6.30
Linus,
Please pull the latest tracing-for-linus git tree from:
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip.git tracing-for-linus
( If you pull it then please pull the printk tree first:
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip.git printk-for-linus
The pull request for that was:
http://marc.info/?l=linux-kernel&m=123828022817508&q=raw
The tracing tree depends on the new printk facilities factored
out into the printk branch - but i did not merge back the
latest printk fixes back there to reduce criss-cross merging. )
The tree has the ugly criss-crossy merge structure you complained
about before - i fixed my topic workload and the branch structure
will look much nicer in the future.
Highlights:
- New architectures:
- IA64 ftrace support
- New plugins:
- kmemtrace to trace SLAB allocation/freeing and usage patterns
- blktrace: new ftrace plugin, also ABI compatible with existing
relayfs + ioctl based blktrace user-space.
- lock acquire/release tracing
- workqueue tracer
- Updated plugins:
- enhanced function graph tracer: IRQ entry/exit augmentation,
lock acquire/release augmentation, support for regexp, and
more.
- updated max-stack-footprint tracer
- updated and performance-fixed sysprof plugin, updated userspace
- updated mmiotrace plugin
- enhanced hardware-driven branch execution tracing,
hw-branch-tracer
- Tracing infrastructure updates:
- add trace_printk() for general debugging, accessible generally
via kernel.h.
- regexp filter enhancements: module filters, inversion/negation
filter rules.
- separate files for per cpu buffers in /debug/tracing/per_cpu/,
for high-speed streaming of tracing data
- splice() zero-copy tracing support straight from the
ring-buffer to the target pipe
- optionally record call-chain stack traces with events
- event tracer with structured-logging format descriptors under
/debug/tracing/events/* and fast binary tracing records
(no vsprintf overhead)
- user-definable runtime filter expressions
- all tracepoints in the kernel now show up in
/debug/tracing/events/ and can be toggled on/off individually
and filter expressions can be set.
- function symbol driven 'trigger' regexp filters: tracing
start/stop events based on hitting a specific function or set
of functions. Trigger count-down support.
- per function tracing attributes and trigger state
- system-wide syscall (and parameters) tracing
- IRQ/softirq tracepoints
- ftrace= boot parameter to start tracing early
- all trace options in separate symbolic files in
/debug/tracing/options/
- improved statistics (in-kernel histogram) framework
Known risks:
- The scheduler tracepoints were a bit more problematic than
usual in this development cycle: deadlocks, crashes.
- The blktrace plugin finalized a bit slower than expected. Most
of the bugs were on the new ftrace plugin side.
- It's a big tree with 500 commits. It's problem-free for me, but
these things are never problem-free for everyone.
- No known regressions.
Thanks,
Ingo
------------------>
Ananth N Mavinakayanahalli (1):
kprobes: Fix locking imbalance in kretprobes
Andrew Morton (2):
kernel/trace/ring_buffer.c: reduce inlining
kernel/trace/ring_buffer.c: use DIV_ROUND_UP
Anton Vorontsov (1):
tracing: Fix TRACING_SUPPORT dependency for PPC32
Arnaldo Carvalho de Melo (20):
ftrace: add ftrace_vprintk
blktrace: add ftrace plugin
tracing/blktrace: fix up checkpatch reported problems in ftrace plugin patch
blktrace: the ftrace interface needs CONFIG_TRACING
blktrace: Use tracing_reset_online_cpus
trace: Use tracing_reset_online_cpus in more places
trace_sched_wakeup: Remove unused variable
trace: Change struct trace_event callbacks parameter list
blkftrace: binary tracing, synthesizing old format
blktrace: fix coding style in recent patches
trace: judicious error checking of trace_seq results
trace: make the trace_event callbacks return enum print_line_t
trace: assign defaults at register_ftrace_event
trace_branch: Remove unused function
trace: Remove unused trace_array_cpu parameter
ring_buffer: remove unused flags parameter
tracing: Introduce trace_buffer_{lock_reserve,unlock_commit}
trace: Call tracing_reset_online_cpus before tracer->init()
tracing: handle unregistering the current tracer
ring_buffer: pahole struct ring_buffer
Carsten Emde (1):
tracing: fix command line to pid reverse map
Christoph Lameter (1):
SLUB: Introduce and use SLUB_MAX_SIZE and SLUB_PAGE_SHIFT constants
Cyrill Gorcunov (1):
x86: ftrace - simplify wait_for_nmi
David Rientjes (1):
lockdep: remove duplicate CONFIG_DEBUG_LOCKDEP definitions
Dmitri Vorobiev (2):
tracing, Text Edit Lock: Fix one sparse warning in kernel/extable.c
tracing: fix four sparse warnings
Eduard - Gabriel Munteanu (14):
SLUB: Replace __builtin_return_address(0) with _RET_IP_.
kmemtrace: Core implementation.
kmemtrace: Additional documentation.
kmemtrace: SLAB hooks.
kmemtrace: SLOB hooks.
kmemtrace: SLUB hooks.
kmemtrace: Fix typos in documentation.
kmemtrace: Better alternative to "kmemtrace: fix printk format warnings".
kmemtrace: SLUB hooks for caller-tracking functions.
kmemtrace: Remove the relay version of kmemtrace
tracing: splice support for tracing_pipe
tracing: Move pipe waiting code out of tracing_read_pipe().
tracing: provide trace_seq_reserve()
tracing: add missing 'extern' keywords to trace_output.h
Frederic Weisbecker (55):
tracing/function-graph-tracer: strip ending newlines on comments
tracing/ftrace: provide the base infrastructure for histogram tracing
tracing/branch-tracer: adapt to the stat tracing API
tracing/kmemtrace: normalize the raw tracer event to the unified tracing API
tracing/ftrace: fix a memory leak in stat tracing
tracing/ftrace: handle more than one stat file per tracer
tracing/ftrace: separate events tracing and stats tracing engine
tracing: add a new workqueue tracer
tracing/function-graph-tracer: fix a regression while suspend to disk
tracing/function-graph-tracer: various fixes and features
trace: better manage the context info for events
tracing/blktrace: move the tracing file to kernel/trace
tracing/function-graph-tracer: provide a selftest for the function graph tracer
tracing/power: move the power trace headers to a dedicated file
tracing/function-graph-tracer: drop the kernel_text_address check
tracing/function-graph-tracer: handle the leaf functions from trace_pipe
tracing/sysprof: add missing tracing_{start,stop}_record_cmdline()
tracing/core: use appropriate waiting on trace_pipe
tracing/core: remove unused parameter in tracing_fill_pipe_page()
tracing/function-graph-tracer: fix traces weirdness while absolute time printing
tracing/function-graph-tracer: provide documentation for the function graph tracer
tracing/function-graph-tracer: make set_graph_function file support ftrace regex
tracing/markers: make markers select tracepoints
tracing/core: introduce per cpu tracing files
tracing/core: make the read callbacks reentrants
tracing/core: make the per cpu trace files in per cpu directories
tracing/function-graph-tracer: use the more lightweight local clock
vsprintf: unify the format decoding layer for its 3 users
tracing/core: drop the old trace_printk() implementation in favour of trace_bprintk()
vsprintf: fix bug in negative value printing
tracing/core: bring back raw trace_printk for dynamic formats strings
tracing/ftrace: syscall tracing infrastructure, basics
tracing/x86: basic implementation of syscall tracing for x86
tracing/syscalls: support for syscalls tracing on x86
tracing/syscalls: core infrastructure for syscalls tracing, enhancements
tracing/syscalls: fix missing release of tracing
tracing/syscalls: various cleanups
tracing/syscalls: protect thread flag toggling from races
tracing/syscalls: select kallsysms
tracing/core: fix missing mutex unlock on tracing_set_tracer()
tracing/ftrace: fix double calls to tracing_start()
tracing/core: fix early free of cpumasks
tracing/ftrace: fix the check on nopped sites
tracing/ftrace: stop {irqs, preempt}soff tracers when tracing is stopped
tracing/ring-buffer: fix non cpu hotplug case
tracing/ring-buffer: don't annotate rb_cpu_notify with __cpuinit
tracing/function-graph-tracer: prevent hangs during self-tests
tracing: keep the tracing buffer after self-test failure
tracing/events: make the filter files writable
tracing/events: don't use wake up for events
tracing/ftrace: make nop-tracer use polling wait for events on pipe
tracing/events: don't discard an event after commit
debugfs: function to know if debugfs is initialized
tracing/ftrace: check if debugfs is registered before creating files
tracing/function-graph-tracer: fix functions call traces imbalance
Hannes Eder (3):
tracing: fix sparse warnings: make symbols static
tracing: fix sparse warnings: fix (un-)signedness
tracing: fix sparse warning: attribute function with __acquires/__releases
Ingo Molnar (34):
tracing/ftrace: make trace_find_cmdline() generally available
tracing/selftest: remove TRACE_CONT reference
kmemtrace: move #include lines
relayfs: replace BUG() with WARN_ON() in relay_late_setup_files()
tracing, kvm: change MARKERS to select instead of depends on
tracing/kmemtrace: export kmemtrace_mark_alloc_node() / kmemtrace_mark_free()
tracing/kmemtrace: fix typo
kmemtrace: add kmemtrace_init()
tracing: trace_stat.c cleanup
printk: introduce printk_once()
ring_buffer: remove unused flags parameter, fix
tracing/blktrace: move the tracing file to kernel/trace, fix
ftrace: fix !CONFIG_FTRACE [un_]register_ftrace_command() prototypes
ftrace: fix !CONFIG_DYNAMIC_FTRACE ftrace_swapper_pid definition
Documentation/ftrace.txt: update
tracing/function-graph-tracer: fix merge
tracing/hw-branch-tracing: convert bts-tracer mutex to a spinlock
tracing: remove /debug/tracing/latency_trace
sched: sched_clock() improvement: use in_nmi()
tracing: implement trace_clock_*() APIs
tracing: rename ftrace_printk() => trace_printk()
tracing: move utility functions from ftrace.h to kernel.h
tracing: clean up menu
tracing, power-trace: make it build even if the power-tracer is turned off
tracing: trace_bprintk() cleanups
tracing: trace_printk() fix, move format array to data section
tracing: optimize trace_printk()
locking: rename trace_softirq_[enter|exit] => lockdep_softirq_[enter|exit]
Merge branches 'tracing/ftrace' and 'linus' into tracing/core
tracing/syscalls: support for syscalls tracing on x86, fix
tracepoints: dont update zero-sized tracepoint sections
tracing, Text Edit Lock - kprobes architecture independent support, nommu fix
tracing: add run-time field descriptions for event filtering, kfree fix
tracing, Text Edit Lock: cleanup
Jason Baron (4):
tracing: convert c/p state power tracer to use tracepoints
tracing, genirq: add irq enter and exit trace events
tracing: tracepoints for softirq entry/exit - add softirq-to-name array
tracing: tracepoints for softirq entry/exit - tracepoints
Jaswinder Singh Rajput (1):
tracing: fix oops in tracepoint_update_probe_range()
Jody McIntyre (1):
tracing: Documentation / sample code fixes for tracepoints
KOSAKI Motohiro (8):
tracing: current tip/master can't enable ftrace
tracing: fix deadlock when setting set_ftrace_pid
ftrace: fix documentation typo s/trace_max_latency/tracing_max_latency/
ftrace: tracing header should put '#' at the beginning of a line
tracing: Don't use tracing_record_cmdline() in workqueue tracer
doc: add trace_buf_size description to kernel-parameters.txt
tracing: Don't assume possible cpu list have continuous numbers
tracing: Don't use tracing_record_cmdline() in workqueue tracer fix
Lai Jiangshan (18):
ring_buffer: reset write when reserve buffer fail
ftrace: fix trace_output
trace_workqueue: use percpu data for workqueue stat
ring_buffer: fix typing mistake
ring_buffer: fix ring_buffer_read_page()
vsprintf: add binary printf
tracing: infrastructure for supporting binary record
tracing: add trace_bprintk()
ftrace: use seq_read
ftrace: remove struct list_head from struct dyn_ftrace
kallsyms, tracing: output more proper symbol name
ftrace: protect running nmi (V3)
ftrace: show virtual PID
tracing: use union for multi-usages field
trace_stat: don't call seq_printf() in seq_operation->start()
trace_stat: keep original order
trace_workqueues: fix empty line's output
init,cpuset: fix initialize order
Li Zefan (22):
tracing/ftrace: add missing unlock in register_stat_tracer()
blktrace: fix possible memory leak
blktrace: make blk_tracer_enabled a bool flag
blktrace: remove blk_probe_mutex
blktrace: don't increase blk_probes_ref if failed to setup blk trace
blktrace: report EBUSY correctly
blktrace: remove sysfs_blk_trace_enable_show/store()
blktrace: avoid accessing NULL bdev->bd_disk
blktrace: mark ddir_act[] const
blktrace: fix wrong calculation of RWBS
blktrace: fix t_error()
blktrace: print human-readable act_mask
blktrace: fix timestamp in binary output
blktrace: fix a race when creating blk_tree_root in debugfs
blktrace: fix the original blktrace
blktrace: fix off-by-one bug
blktrace: make classic output more classic
blktrace: fix blk_probes_ref chaos
blktrace: fix memory leak when freeing struct blk_io_trace
blktrace: extract duplidate code
blktrace: print out BLK_TN_MESSAGE properly
trace: make argument 'mem' of trace_seq_putmem() const
Markus Metzger (8):
x86, ftrace, hw-branch-tracer: support hotplug cpus
x86, ftrace, hw-branch-tracer: dump trace on oops
x86, ftrace, hw-branch-tracer: reset trace buffer on close
x86, ftrace, hw-branch-tracer: change trace format
x86, ftrace, hw-branch-tracer: documentation
x86, ds, bts: cleanup DS configuration
x86, ftrace: fix section mismatch in hw-branch-tracer
x86, ptrace: remove CONFIG guards around declarations
Masami Hiramatsu (4):
tracing, Text Edit Lock - SMP alternatives support
x86: implement atomic text_poke() via fixmap
x86: expand irq-off region in text_poke()
x86: kretprobe-booster interrupt emulation code fix
Mathieu Desnoyers (2):
tracing, Text Edit Lock - Architecture Independent Code
tracing, Text Edit Lock - kprobes architecture independent support
Pekka Enberg (3):
kmemtrace: remove unnecessary casts
kmemtrace: allow kmemtrace to be enabled after boot
kmemtrace: remove config option for enabling tracing at boot
Pekka Paalanen (3):
doc: mmiotrace.txt, buffer size control change
trace: mmiotrace to the tracer menu in Kconfig
mmiotrace: count events lost due to not recording
Peter Zijlstra (8):
lockdep: fix incorrect state name
lockdep: remove extra "irq" string
lockdep: require framepointers for x86
tracing: add lockdep tracepoints for lock acquire/release
trace_clock: fix preemption bug
ftrace: provide an id file for each event
ftrace: ensure every event gets an id
ftrace: event profile hooks
Rakib Mullick (1):
tracing: fix section mismatch in trace_hw_branches.c
Randy Dunlap (3):
sysrq: fix ftrace help msg & doc.
kmemtrace: fix printk format warnings
kmemtrace: fix printk formats, fix
Shaohua Li (6):
ftrace, ia64: make recordmcount distinct module compile
ftrace, ia64: explictly ignore a file in recordmcount.pl
ftrace, ia64: Add macro for ftrace_caller
ftrace, ia64: Add recordmcount for ia64
ftrace, ia64: IA64 static ftrace support
ftrace, ia64: IA64 dynamic ftrace support
Stephen Rothwell (2):
tracing, powerpc: fix powerpc tree and tracing tree interaction
tracing, net: fix net tree and tracing tree merge interaction
Steven Rostedt (161):
ftrace: remove obsolete print continue functionality
ftrace: set up trace event hash infrastructure
ftrace: change trace.c to use registered events
ftrace: convert unsigned index to signed
trace: clean up funny line breaks in stat_seq_show
trace: print ftrace_dump at KERN_EMERG log level
trace: stop all recording to ring buffer on ftrace_dump
ftrace: add stack trace to function tracer
ftrace: move function tracer functions out of trace.c
trace: add gcc printf check to trace_seq_printf
trace: clean up format errors in calls to trace_seq_printf
ftrace: combine stack trace in function call
ftrace: remove static from function tracer functions
trace: set max latency variable to zero on default
ftrace: test for running of recordmcount.pl twice on an object
trace: do not disable wake up tracer on output of trace
ring-buffer: do not swap if recording is disabled
trace: separate out rt tasks from wakeup tracer
wakeup-tracer: show scheduling data in output
ring-buffer: reset timestamps when ring buffer is reset
trace: remove internal irqsoff disabling for trace output
trace: fix logic to start/stop counting
trace, lockdep: manual preempt count adding for local_bh_disable
trace: fix default boot up tracer
trace: let boot trace be chosen by command line
trace: code style clean up
trace: remove deprecated entry->cpu
ring-buffer: add NMI protection for spinlocks
ring-buffer: allow tracing_off to be used in core kernel code
ftrace, x86: rename in_nmi variable
nmi: add generic nmi tracking state
ftrace: change function graph tracer to use new in_nmi
ring-buffer: use generic version of in_nmi
tracing: clean up splice code
tracing, x86: fix constraint for parent variable
preempt-count: force hardirq-count to max of 10
ring-buffer: rename label out_unlock to out_reset
sched: do not account for NMIs
ftrace: state that all functions are enabled in set_ftrace_filter
ftrace: add do_for_each_ftrace_rec and while_for_each_ftrace_rec
ftrace: rename ftrace_match to ftrace_match_records
ftrace: break up ftrace_match_records into smaller components
ftrace: add module command function filter selection
ftrace: enable filtering only when a function is filtered on
ftrace: add command interface for function selection
ftrace: convert ftrace_lock from a spinlock to mutex
ftrace: consolidate mutexes
ftrace: trace different functions with a different tracer
ring-buffer: add tracing_is_on to test if ring buffer is enabled
ftrace: add traceon traceoff commands to enable/disable the buffers
ftrace: show selected functions in set_ftrace_filter
ftrace: add pretty print to selected fuction traces
ftrace: add pretty print function for traceon and traceoff hooks
ftrace: clean up coding style
ftrace: rename _hook to _probe
ftrace: show unlimited when traceon or traceoff has no counter
ftrace: allow archs to preform pre and post process for code modification
ftrace, x86: make kernel text writable only for conversions
ftrace: immediately stop code modification if failure is detected
ftrace: break out modify loop immediately on detection of error
tracing: add DEFINE_TRACE_FMT to tracepoint.h
tracing: add event trace infrastructure
tracing: add schedule events to event trace
tracing: make event directory structure
tracing: rename DEFINE_TRACE_FMT to just TRACE_FORMAT
tracing: wrap arguments with PARAMS
tracing: add options directory and core option files
tracing: add tracer dependent options to options directory
tracing: add protection around open use of current_tracer
tracing: use pointer error returns for __tracing_open
tracing: use newline separator for trace options list
tracing: replace kzalloc with kcalloc
tracing: move trace point formats to files in include/trace directory
tracing: add subsystem level to trace events
tracing: make the set_event and available_events subsystem aware
tracing: add subsystem irq for irq events
tracing: add subsystem sched for sched events
tracing: add interface to write into current tracer buffer
tracing: add raw trace point recording infrastructure
tracing: add raw fast tracing interface for trace events
tracing: create the C style tracing for the sched subsystem
tracing: create the C style tracing for the irq subsystem
tracing: add TRACE_FIELD_SPECIAL to record complex entries
tracing: add protection around modify trace event fields
tracing: make trace_seq_reset global and rename to trace_seq_init
tracing: add format file to describe event struct fields
tracing: add ftrace headers to event format files
tracing: add trace name and id to event formats
tracing: add print format to event trace format files
tracing: fix return value to registering events
ring-buffer: reset write field for ring_buffer_read_page
ring-buffer: fix ring_buffer_read_page
ring-buffer: replace sizeof of event header with offsetof
ring-buffer: make ring_buffer_read_page read from start on partial page
tracing: add binary buffer files for use with splice
tracing: add cpu_file intialization for ftrace_dump
ring-buffer: fix timestamp in partial ring_buffer_page_read
tracing: do not return EFAULT if read copied anything
tracing: fix seq read from trace files
tracing: add latency output format option
tracing: remove extra latency_trace method from trace structure
tracing: consolidate print_lat_fmt and print_trace_fmt
tracing: have latency tracers set the latency format
tracing: add tracing_on/tracing_off to kernel.h
tracing: make all file_operations const
tracing: move print of event format to separate file
tracing: add format files for ftrace default entries
tracing: typecast sizeof and offsetof to unsigned int
tracing: replace TP<var> with TP_<var>
tracing: use generic __stringify
tracing: new format for specialized trace points
tracing: convert the sched trace points to the TRACE_EVENT macros
tracing: convert irq trace points to new macros
tracing: remove obsolete TRACE_EVENT_FORMAT macro
tracing: fix printk format specifier
tracing: do not allow modifying the ftrace events via the event files
tracing: add back the available_events file
tracing: flip the TP_printk and TP_fast_assign in the TRACE_EVENT macro
tracing: document TRACE_EVENT macro in tracepoint.h
tracing: update comments to match event code macros
tracing: remove funky whitespace in the trace code
tracing: use raw spinlocks for trace_vprintk
tracing: keep ring buffer to minimum size till used
tracing: expand the ring buffers when an event is activated
tracing: fix trace_wait to know to wait on all cpus or just one
ring-buffer: only allocate buffers for online cpus
tracing: fix comments about trace buffer resizing
tracing: protect ring_buffer_expanded with trace_types_lock
ring-buffer: use CONFIG_HOTPLUG_CPU not CONFIG_HOTPLUG
ring-buffer: remove unneeded get_online_cpus
tracing: show that buffer size is not expanded
tracing: make bprint event use the proper event id
tracing: have event_trace_printk use static tracer
tracing: export trace formats to user space
tracing: fix stack tracer header
tracing: explain why stack tracer is empty
tracing: show event name in trace for TRACE_EVENT created events
ring-buffer: document reader page design
tracing: left align location header in stack_trace
tracing: add comment for use of double __builtin_consant_p
tracing: move binary buffers into per cpu directory
softirq: no need to have SOFTIRQ in softirq name
tracing: protect reader of cmdline output
tracing: stop comm recording on tracing off
ring-buffer: add api to allow a tracer to change clock source
tracing: add global-clock option to provide cross CPU clock to traces
tracing: make sched_switch stop/start light weight
tracing: make power tracer start/stop methods lighter weight
tracing: give easy way to clear trace buffer
function-graph: consolidate prologues for output
tracing: make print_(b)printk_msg_only global
function-graph: calculate function depth within function graph tracer
tracing: remove recording function depth from trace_printk
function-graph: show binary events as comments
tracing: fix memory leak in trace_stat
function-graph: moved the timestamp from arch to generic code
function-graph: prevent more than one tracer registering
function-graph: ignore times across schedule
function-graph: add option for include sleep times
function-graph: allow unregistering twice
ring-buffer: do not remove reader page from list on ring buffer free
Thomas Gleixner (3):
tracing: stop command line recording when tracing is disabled
tracing: replace the crude (unsigned) -1 hackery
tracing: fix trace_find_cmdline()
Tobias Klauser (1):
tracing: storage class should be before const qualifier
Tom Zanussi (13):
tracing: fix leak in event_format_read()
tracing: add run-time field descriptions for event filtering
tracing: add ring_buffer_event_discard() to ring buffer
tracing: add per-event filtering
tracing: add per-subsystem filtering
tracing/filters: use list_for_each_entry_safe
tracing/filters: fix bug in copy_pred()
tracing/filters: clean up filter_add_subsystem_pred()
tracing/filters: use list_for_each_entry
tracing/filters: free pred when clearing filters
tracing/filters: use trace_seq_printf() to print filters
tracing/filters: disallow integer values for string filters and vice versa
tracing: filter fix for TRACE_EVENT_FORMAT events
Uwe Kleine-Koenig (2):
ftrace, trivial: fix typo "resgister" -> "register"
tracing: make CALLER_ADDRx overwriteable
Vegard Nossum (1):
kmemtrace: add missing newline
Wenji Huang (7):
trace: trivial fixes in comment typos.
tracing: remove unneeded variable
tracing: provide correct return value after outputting the event
tracing: fix typos in comments
tracing: use the more proper parameter
tracing: fix the return value of trace selftest
tracing: fix typing mistake in hint message and comments
Witold Baryluk (1):
tracing: optimization of branch tracer
Zhaolei (3):
ftrace: avoid double-free of dyn_ftrace
ftrace: don't try to __ftrace_replace_code on !FTRACE_FL_CONVERTED rec
ftrace: Using FTRACE_WARN_ON() to check "freed record" in ftrace_release()
Documentation/ABI/testing/debugfs-kmemtrace | 71 +
Documentation/ftrace.txt | 1134 +++++++----
Documentation/kernel-parameters.txt | 12 +
Documentation/sysrq.txt | 2 +
Documentation/tracepoints.txt | 21 +-
Documentation/vm/kmemtrace.txt | 126 ++
MAINTAINERS | 6 +
arch/Kconfig | 1 +
arch/alpha/include/asm/ftrace.h | 1 +
arch/alpha/include/asm/hardirq.h | 13 -
arch/avr32/include/asm/ftrace.h | 1 +
arch/avr32/include/asm/hardirq.h | 11 -
arch/blackfin/include/asm/ftrace.h | 1 +
arch/cris/include/asm/ftrace.h | 1 +
arch/h8300/include/asm/ftrace.h | 1 +
arch/ia64/Kconfig | 3 +
arch/ia64/include/asm/ftrace.h | 28 +
arch/ia64/include/asm/hardirq.h | 10 -
arch/ia64/kernel/Makefile | 5 +
arch/ia64/kernel/entry.S | 100 +
arch/ia64/kernel/ftrace.c | 206 ++
arch/ia64/kernel/ia64_ksyms.c | 6 +
arch/m68k/include/asm/ftrace.h | 1 +
arch/mips/include/asm/ftrace.h | 1 +
arch/parisc/include/asm/ftrace.h | 1 +
arch/powerpc/kernel/ftrace.c | 6 +-
arch/um/include/asm/ftrace.h | 1 +
arch/x86/Kconfig | 2 +
arch/x86/include/asm/cacheflush.h | 5 +
arch/x86/include/asm/fixmap.h | 2 +
arch/x86/include/asm/ftrace.h | 7 +
arch/x86/include/asm/ptrace-abi.h | 3 -
arch/x86/include/asm/thread_info.h | 9 +-
arch/x86/kernel/Makefile | 3 +-
arch/x86/kernel/alternative.c | 29 +-
arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c | 4 +-
arch/x86/kernel/dumpstack.c | 6 +
arch/x86/kernel/ftrace.c | 192 ++-
arch/x86/kernel/kprobes.c | 17 +-
arch/x86/kernel/process.c | 5 +-
arch/x86/kernel/ptrace.c | 7 +
arch/x86/kvm/Kconfig | 3 +-
arch/x86/mm/init_32.c | 35 +-
arch/x86/mm/init_64.c | 37 +-
arch/xtensa/include/asm/ftrace.h | 1 +
block/Kconfig | 16 -
block/Makefile | 1 -
block/blktrace.c | 860 --------
drivers/char/sysrq.c | 2 +-
drivers/oprofile/cpu_buffer.c | 5 +-
fs/debugfs/inode.c | 16 +
fs/partitions/check.c | 4 +
include/asm-frv/ftrace.h | 1 +
include/asm-generic/vmlinux.lds.h | 29 +-
include/asm-m32r/ftrace.h | 1 +
include/asm-mn10300/ftrace.h | 1 +
include/linux/blktrace_api.h | 5 +
include/linux/compiler.h | 6 +-
include/linux/debugfs.h | 8 +
include/linux/ftrace.h | 244 ++-
include/linux/ftrace_irq.h | 2 +-
include/linux/hardirq.h | 73 +-
include/linux/interrupt.h | 5 +
include/linux/irqflags.h | 8 +-
include/linux/kernel.h | 150 ++
include/linux/memory.h | 6 +
include/linux/module.h | 5 +
include/linux/ring_buffer.h | 38 +-
include/linux/sched.h | 4 +
include/linux/slab_def.h | 68 +-
include/linux/slob_def.h | 9 +-
include/linux/slub_def.h | 53 +-
include/linux/string.h | 7 +
include/linux/syscalls.h | 60 +-
include/linux/trace_clock.h | 19 +
include/linux/tracepoint.h | 116 +-
include/trace/block.h | 70 +-
include/trace/irq.h | 9 +
include/trace/irq_event_types.h | 55 +
include/trace/kmemtrace.h | 75 +
include/trace/lockdep.h | 9 +
include/trace/lockdep_event_types.h | 44 +
include/trace/power.h | 32 +
include/trace/sched.h | 49 +-
include/trace/sched_event_types.h | 337 +++
include/trace/skb.h | 4 +-
include/trace/trace_event_types.h | 5 +
include/trace/trace_events.h | 5 +
include/trace/workqueue.h | 25 +
init/Kconfig | 2 +-
init/main.c | 5 +-
kernel/extable.c | 19 +-
kernel/irq/handle.c | 6 +
kernel/kprobes.c | 19 +-
kernel/lockdep.c | 33 +-
kernel/module.c | 2 +-
kernel/relay.c | 4 +-
kernel/sched.c | 8 +-
kernel/sched_clock.c | 12 +
kernel/softirq.c | 32 +-
kernel/trace/Kconfig | 123 +-
kernel/trace/Makefile | 13 +
kernel/trace/blktrace.c | 1549 ++++++++++++++
kernel/trace/events.c | 14 +
kernel/trace/ftrace.c | 1133 ++++++++---
kernel/trace/kmemtrace.c | 339 +++
kernel/trace/ring_buffer.c | 693 +++++--
kernel/trace/trace.c | 3034 +++++++++++++++------------
kernel/trace/trace.h | 315 +++-
kernel/trace/trace_boot.c | 36 +-
kernel/trace/trace_branch.c | 278 ++--
kernel/trace/trace_clock.c | 109 +
kernel/trace/trace_event_profile.c | 31 +
kernel/trace/trace_event_types.h | 173 ++
kernel/trace/trace_events.c | 824 ++++++++
kernel/trace/trace_events_filter.c | 427 ++++
kernel/trace/trace_events_stage_1.h | 39 +
kernel/trace/trace_events_stage_2.h | 176 ++
kernel/trace/trace_events_stage_3.h | 281 +++
kernel/trace/trace_export.c | 102 +
kernel/trace/trace_functions.c | 369 ++++-
kernel/trace/trace_functions_graph.c | 570 ++++--
kernel/trace/trace_hw_branches.c | 185 ++-
kernel/trace/trace_irqsoff.c | 54 +-
kernel/trace/trace_mmiotrace.c | 45 +-
kernel/trace/trace_nop.c | 6 +-
kernel/trace/trace_output.c | 1017 +++++++++
kernel/trace/trace_output.h | 71 +
kernel/trace/trace_power.c | 194 +-
kernel/trace/trace_printk.c | 270 +++
kernel/trace/trace_sched_switch.c | 24 +-
kernel/trace/trace_sched_wakeup.c | 96 +-
kernel/trace/trace_selftest.c | 169 ++-
kernel/trace/trace_stack.c | 19 +-
kernel/trace/trace_stat.c | 326 +++
kernel/trace/trace_stat.h | 31 +
kernel/trace/trace_syscalls.c | 250 +++
kernel/trace/trace_sysprof.c | 23 +-
kernel/trace/trace_workqueue.c | 288 +++
kernel/tracepoint.c | 7 +-
kernel/workqueue.c | 16 +-
lib/Kconfig | 3 +
lib/locking-selftest.c | 4 +-
lib/vsprintf.c | 1005 +++++++--
mm/slab.c | 71 +-
mm/slob.c | 35 +-
mm/slub.c | 83 +-
samples/tracepoints/tp-samples-trace.h | 8 +-
samples/tracepoints/tracepoint-sample.c | 24 +-
scripts/Makefile.build | 13 +-
scripts/kallsyms.c | 57 +
scripts/recordmcount.pl | 37 +-
152 files changed, 15404 insertions(+), 4475 deletions(-)
create mode 100644 Documentation/ABI/testing/debugfs-kmemtrace
create mode 100644 Documentation/vm/kmemtrace.txt
create mode 100644 arch/alpha/include/asm/ftrace.h
create mode 100644 arch/avr32/include/asm/ftrace.h
create mode 100644 arch/blackfin/include/asm/ftrace.h
create mode 100644 arch/cris/include/asm/ftrace.h
create mode 100644 arch/h8300/include/asm/ftrace.h
create mode 100644 arch/ia64/include/asm/ftrace.h
create mode 100644 arch/ia64/kernel/ftrace.c
create mode 100644 arch/m68k/include/asm/ftrace.h
create mode 100644 arch/mips/include/asm/ftrace.h
create mode 100644 arch/parisc/include/asm/ftrace.h
create mode 100644 arch/um/include/asm/ftrace.h
create mode 100644 arch/xtensa/include/asm/ftrace.h
delete mode 100644 block/blktrace.c
create mode 100644 include/asm-frv/ftrace.h
create mode 100644 include/asm-m32r/ftrace.h
create mode 100644 include/asm-mn10300/ftrace.h
create mode 100644 include/linux/trace_clock.h
create mode 100644 include/trace/irq.h
create mode 100644 include/trace/irq_event_types.h
create mode 100644 include/trace/kmemtrace.h
create mode 100644 include/trace/lockdep.h
create mode 100644 include/trace/lockdep_event_types.h
create mode 100644 include/trace/power.h
create mode 100644 include/trace/sched_event_types.h
create mode 100644 include/trace/trace_event_types.h
create mode 100644 include/trace/trace_events.h
create mode 100644 include/trace/workqueue.h
create mode 100644 kernel/trace/blktrace.c
create mode 100644 kernel/trace/events.c
create mode 100644 kernel/trace/kmemtrace.c
create mode 100644 kernel/trace/trace_clock.c
create mode 100644 kernel/trace/trace_event_profile.c
create mode 100644 kernel/trace/trace_event_types.h
create mode 100644 kernel/trace/trace_events.c
create mode 100644 kernel/trace/trace_events_filter.c
create mode 100644 kernel/trace/trace_events_stage_1.h
create mode 100644 kernel/trace/trace_events_stage_2.h
create mode 100644 kernel/trace/trace_events_stage_3.h
create mode 100644 kernel/trace/trace_export.c
create mode 100644 kernel/trace/trace_output.c
create mode 100644 kernel/trace/trace_output.h
create mode 100644 kernel/trace/trace_printk.c
create mode 100644 kernel/trace/trace_stat.c
create mode 100644 kernel/trace/trace_stat.h
create mode 100644 kernel/trace/trace_syscalls.c
create mode 100644 kernel/trace/trace_workqueue.c
[ full diff omitted due to lkml message size limit. ]
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