[GIT PULL] perf events tree changes for v3.18

From: Ingo Molnar
Date: Mon Oct 13 2014 - 02:53:39 EST

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Linus,

Please pull the latest perf-core-for-linus git tree from:

git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git perf-core-for-linus

# HEAD: cc6cd47e7395bc05c5077009808b820633eb3f18 perf/x86: Tone down kernel messages when the PMU check fails in a virtual environment

Kernel side updates:

* Fix and enhance poll support (Jiri Olsa)

* Re-enable inheritance optimization (Jiri Olsa)

* Enhance Intel memory events support (Stephane Eranian)

* Refactor the Intel uncore driver to be more maintainable
(Zheng Yan)

* Enhance and fix Intel CPU and uncore PMU drivers
(Peter Zijlstra, Andi Kleen)

* [ plus various smaller fixes/cleanups ]

Tooling updates:

User visible tooling changes:

* Add +field argument support for --field option, so that one can add
fields to the default list of fields to show, i.e. now one can just do:

perf report --fields +pid

And the pid will appear in addition to the default fields. (Jiri Olsa)

* Add +field argument support for --sort option (Jiri Olsa)

* Honour -w in the report tools (report, top), allowing to specify the widths
for the histogram entries columns. (Namhyung Kim)

* Properly show submicrosecond times in 'perf kvm stat' (Christian Borntraeger)

* Add beautifier for mremap flags param in 'trace' (Alex Snast)

* perf script: Allow callchains if any event samples them

* Don't truncate Intel style addresses in 'annotate'. (Alex Converse)

* Allow profiling when kptr_restrict == 1 for non root users,
kernel samples will just remain unresolved (Andi Kleen)

* Allow configuring default options for callchains in config file (Namhyung Kim)

* Support operations for shared futexes. (Davidlohr Bueso)

* "perf kvm stat report" improvements by Alexander Yarygin:

- Save pid string in opts.target.pid
- Enable the target.system_wide flag
- Unify the title bar output

* [ plus lots of other fixes and small improvements. ]

Tooling infrastructure changes:

* Refactor unit and scale function parameters for PMU parsing routines. (Matt Fleming)

* Improve DSO long names lookup with rbtree, resulting in great speedup for
workloads with lots of DSOs. (Waiman Long)

* We were not handling POLLHUP notifications for event file descriptors.

Fix it by filtering entries in the events file descriptor array after
poll() returns, refcounting mmaps so that when the last fd pointing to
a perf mmap goes away we do the unmap. (Arnaldo Carvalho de Melo)

* Intel PT prep work, from Adrian Hunter, including:

- Let a user specify a PMU event without any config terms
- Add perf-with-kcore script
- Let default config be defined for a PMU
- Add perf_pmu__scan_file()
- Add a 'perf test' for tracking with sched_switch
- Add 'flush' callback to scripting API

* Use ring buffer consume method to look like other tools (Arnaldo Carvalho de Melo)

* hists browser (used in top and report) refactorings, getting rid of unused
variables and reducing source code size by handling similar cases in a
fewer functions (Namhyung Kim).

* Replace thread unsafe strerror() with strerror_r() accross the
whole tools/perf/ tree (Masami Hiramatsu)

* Rename ordered_samples to ordered_events and allow setting a queue
size for ordering events (Jiri Olsa)

* [ plus lots of fixes, cleanups and other improvements. ]

Thanks,

Ingo

------------------>
Adrian Hunter (22):
perf tools: Fix CLOEXEC probe for perf_event_paranoid == 2
perf tools: Fix one of the probe events to exclude kernel
perf tools: Fix probing the kernel API with cpu-wide events
perf tools: Prefer to use a cpu-wide event for probing CLOEXEC
perf symbols: Fix missing label symbols
perf evlist: Add 'system_wide' option
perf evlist: Add perf_evlist__set_tracking_event()
perf session: Add perf_session__peek_event()
perf script: Allow callchains if any event samples them
perf script python: Add helpers for calling Python objects
perf tools: Identify which comms are from exec
perf machine: Add machine__thread_exec_comm()
perf tools: Add flags and insn_len to struct sample
perf evlist: Add perf_evlist__enable_event_idx()
perf tests: Add a test for tracking with sched_switch
perf scripting: Add 'flush' callback to scripting API
perf machine: Rename machine__get_kernel_start_addr() method
perf tools: Add machine__kernel_ip()
perf tools: Let a user specify a PMU event without any config terms
perf tools: Add perf-with-kcore script
perf tools: Let default config be defined for a PMU
perf tools: Add perf_pmu__scan_file()

Alex Converse (1):
perf annotate: Don't truncate Intel style addresses

Alex Snast (1):
perf trace: Add beautifier for mremap flags param

Alexander Yarygin (3):
perf kvm stat report: Save pid string in opts.target.pid
perf kvm stat report: Enable the target.system_wide flag
perf kvm stat report: Unify the title bar output

Andi Kleen (16):
perf record: Honour --no-time command line option
perf/x86: Use extended offcore mask on Haswell
perf/x86: Fix :pp without LBR
perf/x86: Revamp PEBS event selection
perf/x86: Don't mark DataLA addresses as store
perf/x86: Fix section mismatch in split uncore driver
perf/x86/intel: Remove incorrect model number from Haswell perf
perf/x86/intel: Document all Haswell models
perf/x86/intel: Add Broadwell core support
perf/x86: Add INST_RETIRED.ALL workarounds
perf/x86/intel: Use Broadwell cache event list for Haswell
perf/x86/intel/uncore: Add missing cbox filter flags on IvyBridge-EP uncore driver
perf/x86/intel/uncore: Fix PCU filter setup for Sandy/Ivy/Haswell EP
perf stat: Fix --per-core on multi socket systems
perf tools: Fix perf record as non root with kptr_restrict == 1
perf/x86/intel/uncore: Fix minor race in box set up

Andreea-Cristina Bernat (2):
perf/callchain: Replace rcu_assign_pointer() with RCU_INIT_POINTER()
perf/core: Replace rcu_assign_pointer() with RCU_INIT_POINTER()

Anton Blanchard (3):
perf tools powerpc: Fix build issue when DWARF support is disabled
perf symbols: Ignore stripped vmlinux and fallback to kallsyms
perf symbols: Add path to Ubuntu kernel debuginfo file

Arnaldo Carvalho de Melo (21):
perf evlist: Don't run workload if not told to
perf symbols: Make sure --symfs usage includes the path separator
perf top: Don't look for kernel idle symbols in all DSOs
perf tools: Add cpu_startup_entry to the list of kernel idle symbols
perf tools: Don't include sys/poll.h directly
perf record: Use ring buffer consume method to look like other tools
perf evlist: Introduce perf_evlist__filter_pollfd method
perf tests: Add test for perf_evlist__filter_pollfd()
perf evlist: Monitor POLLERR and POLLHUP events too
perf evlist: We need to poll all event file descriptors
perf evlist: Allow growing pollfd on add method
perf tests: Add pollfd growing test
perf kvm stat live: Use perf_evlist__add_pollfd() instead of local equivalent
perf evlist: Introduce poll method for common code idiom
tools lib api: Adopt fdarray class from perf's evlist
perf evlist: Refcount mmaps
tools lib fd array: Allow associating an integer cookie with each entry
perf evlist: Unmap when all refcounts to fd are gone and events drained
perf record: Filter out POLLHUP'ed file descriptors
perf trace: Filter out POLLHUP'ed file descriptors
perf record: Fix error message for --filter option not coming after tracepoint

Avi Kivity (1):
perf tools: Disable kernel symbol demangling by default

Chang Hyun Park (1):
perf trace: Fix mmap return address truncation to 32-bit

Chanho Park (1):
perf tools: define _DEFAULT_SOURCE for glibc_2.20

Christian Borntraeger (1):
perf kvm stat: Properly show submicrosecond times

Cody P Schafer (1):
perf tools: Annotate PMU related list_head members with type info

Davidlohr Bueso (2):
perf bench futex: Support operations for shared futexes
perf bench futex: Sanitize -q option in requeue

Don Zickus (2):
perf symbols: Don't try to find DSOs in SYSV maps
perf machine: Fallback to MAP__FUNCTION if daddr maps are NULL

Elliott Hughes (1):
perf tools: Add arm64 triplets

Fengguang Wu (1):
perf/x86/uncore: Fix coccinelle warnings

Ingo Molnar (1):
jump_label: Fix small typos in the documentation

Jiri Olsa (35):
perf tools: Rename ordered_samples bool to ordered_events
perf tools: Rename ordered_samples struct to ordered_events
perf tools: Rename ordered_events members
perf tools: Add ordered_events__(new|delete) interface
perf tools: Factor ordered_events__flush to be more generic
perf tools: Limit ordered events queue size
perf tools: Flush ordered events in case of allocation failure
perf tools: Make perf_session__deliver_event global
perf tools: Create ordered-events object
perf tools: Use list_move in ordered_events_delete function
perf tools: Add ordered_events__init function
perf tools: Add ordered_events__free function
perf tools: Add perf_config_u64 function
perf tools: Add report.queue-size config file option
perf tools: Add debug prints for ordered events queue
perf tools: Allow out of order messages in forced flush
perf tools: Show better error message in case we fail to open counters due to EBUSY error
perf tools: Fix PERF_FLAG_FD_CLOEXEC flag probing event type open counters due to EBUSY error
perf: Set owner pointer for kernel events
perf: Add queued work to remove orphaned child events
perf top: Join the display thread on exit
perf tools: Introduce set_term_quiet_input helper function
perf top: Setup signals for terminal output
perf kvm: Fix stdin handling for 'kvm stat live' command
perf: Fix perf_poll to return proper POLLHUP value
perf: Add PERF_EVENT_STATE_EXIT state for events with exited task
perf top: Use set_term_quiet() instead of open coded equivalent
perf tools: Add +field argument support for --field option
perf: Do not check PERF_EVENT_STATE_EXIT on syscall read path
perf tools: Add +field argument support for --sort option
perf tools: Allow to specify lib compile variable for spec usage
perf: Do not POLLHUP event if it has children
perf: Fix child event initial state setup
Revert "perf: Do not allow optimized switch for non-cloned events"
perf tools: Fix line number in the config file error message

John Spencer (1):
perf tools: Fix GNU-only grep usage in Makefile

Mark Salter (1):
perf tools: Fix arm64 build error

Masami Hiramatsu (18):
perf probe: Fix --list option to show events only with uprobe events
perf probe: Fix --del option to delete events only with uprobe events
perf probe: Warn user to rebuild target with debuginfo
perf probe: Don't use strerror if strlist__add failed
perf: Use strerror_r instead of strerror
perf probe: Make error messages thread-safe
perf util: Replace strerror with strerror_r for thread-safety
perf top: Use strerror_r instead of strerror
perf trace: Use strerror_r instead of strerror
perf record: Use strerror_r instead of strerror
perf test: Use strerror_r instead of strerror
perf sched: Use strerror_r instead of strerror
perf buildid-cache: Use strerror_r instead of strerror
perf kvm: Use strerror_r instead of strerror
perf help: Use strerror_r instead of strerror
perf stat: Use strerror_r instead of strerror
perf probe: Do not access kallsyms when analyzing user binaries
perf probe: Do not use dwfl_module_addrsym if dwarf_diename finds symbol name

Mathias Krause (1):
perf/x86/intel: Mark initialization code as such

Matt Fleming (1):
perf tools: Refactor unit and scale function parameters

Namhyung Kim (37):
perf kmem: Do not ignore mmap events
perf tools: Fix make PYTHON override
perf tools: Left-align output contents
perf tools: Make __hpp__fmt() receive an additional len argument
perf tools: Save column length in perf_hpp_fmt
perf report: Honor column width setting
perf top: Add -w option for setting column width
perf tools: Add name field into perf_hpp_fmt
perf tools: Fix column alignment when headers aren't shown on TUI
perf script: Fix possible memory leaks
perf symbols: Fix a memory leak in vmlinux_path__init()
perf annotate: Move session handling out of __cmd_annotate()
perf buildid-cache: Move session handling into cmd_buildid_cache()
perf inject: Move session handling out of __cmd_inject()
perf kmem: Move session handling out of __cmd_kmem()
perf kvm: Move call to symbol__init() after creating session
perf lock: Move call to symbol__init() after creating session
perf sched: Move call to symbol__init() after creating session
perf script: Move call to symbol__init() after creating session
perf timechart: Move call to symbol__init() after creating session
perf trace: Move call to symbol__init() after creating session
perf tools: Check recorded kernel version when finding vmlinux
perf hists browser: Fix a small callchain display bug
perf top: Fix -z option behavior
perf top: Handle 'z' key for toggle zeroing samples in TUI
perf symbols: Don't demangle parameters and such by default
perf report: Relax -g option parsing not to limit the option order
perf hists browser: Get rid of unused 'remaining' variable
perf hists browser: Fix children overhead dump
perf hists browser: Factor out hist_browser__show_callchain_entry()
perf hists browser: Cleanup callchain print functions
perf hists browser: Consolidate callchain print functions in TUI
perf hists browser: Fix callchain print bug on TUI
perf tools: Move callchain config from record_opts to callchain_param
perf callchain: Move some parser functions to callchain.c
perf tools: Introduce perf_callchain_config()
perf tools: Convert {record,top}.call-graph option to call-graph.record-mode

Peter Zijlstra (2):
perf/x86/intel: Update Intel models
perf/x86/uncore: Rename IvyTown to IvyBridge-EP

Pranith Kumar (1):
perf tools: Use ACCESS_ONCE() instead of volatile cast

Sebastian Andrzej Siewior (1):
perf: Do poll_wait() before checking condition in perf_poll()

Stephane Eranian (5):
perf/x86: Fix data source encoding issues for load latency/precise store
perf/x86: Clean up __intel_pmu_pebs_event() code
perf/x86/uncore: Export basic memory events for IVT IMC PMU
perf tool: fix compilation for ARM
perf/x86/intel/uncore: Update support for client uncore IMC PMU

Sukadev Bhattiprolu (1):
perf tools powerpc: Explicitly include util/debug.h

Taeung Song (1):
perf tools: Modify error code for when perf_session__new() fails

Thomas Ilsche (1):
perf tools: Default to python version 2

Waiman Long (2):
perf symbols: Encapsulate dsos list head into struct dsos
perf symbols: Improve DSO long names lookup speed with rbtree

Wei Huang (1):
perf/x86: Tone down kernel messages when the PMU check fails in a virtual environment

Will Deacon (1):
perf tools: Fix build breakage on arm64 targets

Yan, Zheng (6):
perf/x86/uncore: Declare some functions and variables
perf/x86/uncore: Move NHM/SNB/IVB specific code to seperate file
perf/x86/uncore: Move SNB/IVB-EP specific code to seperate file
perf/x86/uncore: move NHM-EX/WSM-EX specific code to seperate file
perf/x86/intel/uncore: Add Haswell-EP uncore support
perf/x86/intel/uncore: Register the PMU only if the uncore pci device exists

naota@xxxxxxxxx (1):
perf report: Set proper sort__mode for the branch option

arch/x86/include/asm/perf_event.h | 8 +
arch/x86/kernel/cpu/Makefile | 4 +-
arch/x86/kernel/cpu/perf_event.c | 14 +-
arch/x86/kernel/cpu/perf_event.h | 49 +-
arch/x86/kernel/cpu/perf_event_intel.c | 229 +-
arch/x86/kernel/cpu/perf_event_intel_ds.c | 185 +-
arch/x86/kernel/cpu/perf_event_intel_lbr.c | 8 +-
arch/x86/kernel/cpu/perf_event_intel_uncore.c | 3297 +-------------------
arch/x86/kernel/cpu/perf_event_intel_uncore.h | 439 +--
.../x86/kernel/cpu/perf_event_intel_uncore_nhmex.c | 1221 ++++++++
arch/x86/kernel/cpu/perf_event_intel_uncore_snb.c | 636 ++++
.../x86/kernel/cpu/perf_event_intel_uncore_snbep.c | 2258 ++++++++++++++
include/linux/jump_label.h | 17 +-
include/linux/pci_ids.h | 1 +
include/linux/perf_event.h | 14 +-
kernel/events/callchain.c | 2 +-
kernel/events/core.c | 158 +-
tools/lib/api/Makefile | 7 +-
tools/lib/api/fd/array.c | 127 +
tools/lib/api/fd/array.h | 46 +
tools/perf/.gitignore | 1 +
tools/perf/Documentation/perf-probe.txt | 3 +
tools/perf/Documentation/perf-report.txt | 5 +-
tools/perf/Documentation/perf-top.txt | 9 +
tools/perf/Makefile.perf | 11 +-
tools/perf/arch/arm/tests/dwarf-unwind.c | 1 +
tools/perf/arch/arm/util/unwind-libunwind.c | 1 +
tools/perf/arch/arm64/include/perf_regs.h | 2 +
tools/perf/arch/arm64/util/unwind-libunwind.c | 1 +
tools/perf/arch/common.c | 9 +
tools/perf/arch/powerpc/Makefile | 2 +-
tools/perf/arch/powerpc/util/skip-callchain-idx.c | 1 +
tools/perf/bench/futex-hash.c | 7 +-
tools/perf/bench/futex-requeue.c | 28 +-
tools/perf/bench/futex-wake.c | 15 +-
tools/perf/bench/sched-messaging.c | 2 +-
tools/perf/builtin-annotate.c | 77 +-
tools/perf/builtin-buildid-cache.c | 44 +-
tools/perf/builtin-diff.c | 6 +-
tools/perf/builtin-evlist.c | 2 +-
tools/perf/builtin-help.c | 20 +-
tools/perf/builtin-inject.c | 33 +-
tools/perf/builtin-kmem.c | 56 +-
tools/perf/builtin-kvm.c | 98 +-
tools/perf/builtin-lock.c | 7 +-
tools/perf/builtin-mem.c | 6 +-
tools/perf/builtin-probe.c | 10 +-
tools/perf/builtin-record.c | 146 +-
tools/perf/builtin-report.c | 23 +-
tools/perf/builtin-sched.c | 9 +-
tools/perf/builtin-script.c | 74 +-
tools/perf/builtin-stat.c | 11 +-
tools/perf/builtin-timechart.c | 8 +-
tools/perf/builtin-top.c | 87 +-
tools/perf/builtin-trace.c | 57 +-
tools/perf/config/Makefile | 52 +-
tools/perf/config/feature-checks/Makefile | 18 +-
tools/perf/config/utilities.mak | 2 +-
tools/perf/perf-with-kcore.sh | 259 ++
tools/perf/perf.c | 10 +-
tools/perf/perf.h | 3 -
tools/perf/tests/builtin-test.c | 18 +-
tools/perf/tests/fdarray.c | 174 ++
tools/perf/tests/mmap-basic.c | 7 +-
tools/perf/tests/open-syscall-all-cpus.c | 5 +-
tools/perf/tests/open-syscall-tp-fields.c | 9 +-
tools/perf/tests/open-syscall.c | 3 +-
tools/perf/tests/perf-record.c | 15 +-
tools/perf/tests/pmu.c | 2 +-
tools/perf/tests/rdpmc.c | 6 +-
tools/perf/tests/sw-clock.c | 6 +-
tools/perf/tests/switch-tracking.c | 572 ++++
tools/perf/tests/task-exit.c | 8 +-
tools/perf/tests/tests.h | 3 +
tools/perf/ui/browsers/hists.c | 384 +--
tools/perf/ui/gtk/hists.c | 18 +-
tools/perf/ui/hist.c | 284 +-
tools/perf/ui/stdio/hist.c | 4 +-
tools/perf/util/annotate.c | 21 +-
tools/perf/util/cache.h | 1 +
tools/perf/util/callchain.c | 240 +-
tools/perf/util/callchain.h | 6 +-
tools/perf/util/cloexec.c | 35 +-
tools/perf/util/color.c | 16 +
tools/perf/util/color.h | 1 +
tools/perf/util/comm.c | 7 +-
tools/perf/util/comm.h | 6 +-
tools/perf/util/config.c | 40 +-
tools/perf/util/data.c | 8 +-
tools/perf/util/debug.c | 36 +-
tools/perf/util/debug.h | 11 +
tools/perf/util/dso.c | 121 +-
tools/perf/util/dso.h | 16 +-
tools/perf/util/event.c | 14 +-
tools/perf/util/event.h | 2 +
tools/perf/util/evlist.c | 236 +-
tools/perf/util/evlist.h | 21 +-
tools/perf/util/evsel.c | 67 +-
tools/perf/util/evsel.h | 2 +
tools/perf/util/header.c | 32 +-
tools/perf/util/hist.c | 22 +
tools/perf/util/hist.h | 18 +-
tools/perf/util/kvm-stat.h | 1 -
tools/perf/util/machine.c | 96 +-
tools/perf/util/machine.h | 26 +-
tools/perf/util/map.c | 1 +
tools/perf/util/ordered-events.c | 245 ++
tools/perf/util/ordered-events.h | 51 +
tools/perf/util/parse-events.c | 29 +-
tools/perf/util/parse-events.y | 10 +
tools/perf/util/pmu.c | 121 +-
tools/perf/util/pmu.h | 25 +-
tools/perf/util/probe-event.c | 181 +-
tools/perf/util/probe-event.h | 3 +-
tools/perf/util/probe-finder.c | 23 +-
tools/perf/util/python.c | 6 +-
tools/perf/util/record.c | 40 +-
tools/perf/util/run-command.c | 9 +-
.../perf/util/scripting-engines/trace-event-perl.c | 6 +
.../util/scripting-engines/trace-event-python.c | 120 +-
tools/perf/util/session.c | 300 +-
tools/perf/util/session.h | 32 +-
tools/perf/util/sort.c | 119 +-
tools/perf/util/sort.h | 1 +
tools/perf/util/symbol-elf.c | 31 +-
tools/perf/util/symbol.c | 43 +-
tools/perf/util/symbol.h | 14 +-
tools/perf/util/thread.c | 24 +-
tools/perf/util/thread.h | 10 +-
tools/perf/util/tool.h | 2 +-
tools/perf/util/trace-event-scripting.c | 7 +
tools/perf/util/trace-event.h | 1 +
tools/perf/util/util.c | 54 +-
tools/perf/util/util.h | 23 +-
134 files changed, 8901 insertions(+), 5186 deletions(-)
create mode 100644 arch/x86/kernel/cpu/perf_event_intel_uncore_nhmex.c
create mode 100644 arch/x86/kernel/cpu/perf_event_intel_uncore_snb.c
create mode 100644 arch/x86/kernel/cpu/perf_event_intel_uncore_snbep.c
create mode 100644 tools/lib/api/fd/array.c
create mode 100644 tools/lib/api/fd/array.h
create mode 100644 tools/perf/perf-with-kcore.sh
create mode 100644 tools/perf/tests/fdarray.c
create mode 100644 tools/perf/tests/switch-tracking.c
create mode 100644 tools/perf/util/ordered-events.c
create mode 100644 tools/perf/util/ordered-events.h

[ full diff omitted due to lkml mail size restrictions. ]
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Next message: Rusty Russell: "Re: [PATCH] modules, lock around setting of MODULE_STATE_UNFORMED"
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