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Date: Tue, 14 Apr 2015 14:00:52 +0200
From: Ingo Molnar <mingo@...nel.org>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: linux-kernel@...r.kernel.org,
Peter Zijlstra <a.p.zijlstra@...llo.nl>,
Arnaldo Carvalho de Melo <acme@...radead.org>,
Jiri Olsa <jolsa@...hat.com>,
Thomas Gleixner <tglx@...utronix.de>,
Andrew Morton <akpm@...ux-foundation.org>
Subject: [GIT PULL] perf updates for v4.1
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: 066450be419fa48007a9f29e19828f2a86198754 perf/x86/intel/pt: Clean up the control flow in pt_pmu_hw_init()
There were tons of changes in this cycle - almost 400 commits:
Core kernel changes:
- One of the more interesting features in this cycle is the ability
to attach eBPF programs (user-defined, sandboxed bytecode executed
by the kernel) to kprobes. This allows user-defined instrumentation
on a live kernel image that can never crash, hang or interfere with
the kernel negatively. (Right now it's limited to root-only, but in
the future we might allow unprivileged use as well.)
(Alexei Starovoitov)
- Another non-trivial feature is per event clockid support: this
allows, amongst other things, the selection of different clock
sources for event timestamps traced via perf. This feature is
sought by people who'd like to merge perf generated events with
external events that were measured with different clocks:
- cluster wide profiling
- for system wide tracing with user-space events,
- JIT profiling events
etc. Matching perf tooling support is added as well, available via
the -k, --clockid <clockid> parameter to perf record et al.
(Peter Zijlstra)
Hardware enablement kernel changes:
- x86 Intel Processor Trace (PT) support: which is a hardware tracer
on steroids, available on Broadwell CPUs. The hardware trace stream
is directly output into the user-space ring-buffer, using the 'AUX'
data format extension that was added to the perf core to support
hardware constraints such as the necessity to have the tracing
buffer physically contiguous. This patch-set was developed for two
years and this is the result. A simple way to make use of this is
to use BTS tracing, the PT driver emulates BTS output - available
via the 'intel_bts' PMU. More explicit PT specific tooling support
is in the works as well - will probably be ready by 4.2.
(Alexander Shishkin, Peter Zijlstra)
- x86 Intel Cache QoS Monitoring (CQM) support: a hardware feature of
Intel Xeon CPUs that allows the measurement and
allocation/partitioning of caches to individual workloads.
These kernel changes expose the measurement side as a new PMU
driver, which exposes various QoS related PMU events. (The
partitioning change is work in progress and is planned to be merged
as a cgroup extension.)
(Matt Fleming, Peter Zijlstra; CPU feature detection by Peter P
Waskiewicz Jr)
- x86 Intel Haswell LBR call stack support: this is a new Haswell
feature that allows the hardware recording of call chains, plus
tooling support. To activate this feature you have to enable it
via the new 'lbr' call-graph recording option:
perf record --call-graph lbr
perf report
or:
perf top --call-graph lbr
This hardware feature is a lot faster than stack walk or dwarf
based unwinding, but has some limitations:
- It reuses the current LBR facility, so LBR call stack and branch
record can not be enabled at the same time.
- It is only available for user-space callchains.
(Yan, Zheng)
- x86 Intel Broadwell CPU support and various event constraints and
event table fixes for earlier models.
(Andi Kleen)
- x86 Intel HT CPUs event scheduling workarounds. This is a complex
CPU bug affecting the SNB,IVB,HSW families that results in counter
value corruption. The mitigation code is automatically enabled and
is transparent.
(Maria Dimakopoulou, Stephane Eranian)
The perf tooling side had a ton of changes in this cycle as well, so
I'm only able to list the user visible changes here, in addition to
the tooling changes outlined above:
User visible changes affecting all tools:
- Improve support of compressed kernel modules (Jiri Olsa)
- Save DSO loading errno to better report errors (Arnaldo Carvalho de Melo)
- Bash completion for subcommands (Yunlong Song)
- Add 'I' event modifier for perf_event_attr.exclude_idle bit (Jiri Olsa)
- Support missing -f to override perf.data file ownership. (Yunlong Song)
- Show the first event with an invalid filter (David Ahern, Arnaldo Carvalho de Melo)
User visible changes in individual tools:
'perf data': New tool for converting perf.data to other formats, initially for the
CTF (Common Trace Format) from LTTng (Jiri Olsa, Sebastian Siewior)
'perf diff':
- Add --kallsyms option (David Ahern)
'perf list':
- Allow listing events with 'tracepoint' prefix (Yunlong Song)
- Sort the output of the command (Yunlong Song)
'perf kmem':
- Respect -i option (Jiri Olsa)
- Print big numbers using thousands' group (Namhyung Kim)
- Allow -v option (Namhyung Kim)
- Fix alignment of slab result table (Namhyung Kim)
'perf probe':
- Support multiple probes on different binaries on the same command line (Masami Hiramatsu)
- Support unnamed union/structure members data collection. (Masami Hiramatsu)
- Check kprobes blacklist when adding new events. (Masami Hiramatsu)
'perf record':
- Teach 'perf record' about perf_event_attr.clockid (Peter Zijlstra)
- Support recording running/enabled time (Andi Kleen)
'perf sched':
- Improve the performance of 'perf sched replay' on high CPU core count machines (Yunlong Song)
'perf report' and 'perf top':
- Allow annotating entries in callchains in the hists browser (Arnaldo Carvalho de Melo)
- Indicate which callchain entries are annotated in the
TUI hists browser (Arnaldo Carvalho de Melo)
- Add pid/tid filtering to 'report' and 'script' commands (David Ahern)
- Consider PERF_RECORD_ events with cpumode == 0 in 'perf top', removing one
cause of long term memory usage buildup, i.e. not processing PERF_RECORD_EXIT
events (Arnaldo Carvalho de Melo)
'perf stat':
- Report unsupported events properly (Suzuki K. Poulose)
- Output running time and run/enabled ratio in CSV mode (Andi Kleen)
'perf trace':
- Handle legacy syscalls tracepoints (David Ahern, Arnaldo Carvalho de Melo)
- Only insert blank duration bracket when tracing syscalls (Arnaldo Carvalho de Melo)
- Filter out the trace pid when no threads are specified (Arnaldo Carvalho de Melo)
- Dump stack on segfaults (Arnaldo Carvalho de Melo)
- No need to explicitely enable evsels for workload started from perf, let it
be enabled via perf_event_attr.enable_on_exec, removing some events that take
place in the 'perf trace' before a workload is really started by it.
(Arnaldo Carvalho de Melo)
- Allow mixing with tracepoints and suppressing plain syscalls. (Arnaldo Carvalho de Melo)
There's also been a ton of infrastructure work done, such as the
split-out of perf's build system into tools/build/ and other changes -
see the shortlog and changelog for details.
Thanks,
Ingo
------------------>
Adrian Hunter (1):
perf tools: Initialize cpu set in pthread_attr_setaffinity_np feature test
Alexander Shishkin (13):
perf: Add data_{offset,size} to user_page
perf: Support high-order allocations for AUX space
perf: Add a capability for AUX_NO_SG pmus to do software double buffering
perf: Add a pmu capability for "exclusive" events
perf: Add AUX record
perf: Add API for PMUs to write to the AUX area
perf: Support overwrite mode for the AUX area
perf: Add wakeup watermark control to the AUX area
perf: Add ITRACE_START record to indicate that tracing has started
x86: Add Intel Processor Trace (INTEL_PT) cpu feature detection
perf/x86: Mark Intel PT and LBR/BTS as mutually exclusive
perf/x86/intel/pt: Add Intel PT PMU driver
perf/x86/intel/bts: Add BTS PMU driver
Alexei Starovoitov (8):
tracing: Add kprobe flag
tracing, perf: Implement BPF programs attached to kprobes
tracing: Allow BPF programs to call bpf_ktime_get_ns()
tracing: Allow BPF programs to call bpf_trace_printk()
samples/bpf: Add simple non-portable kprobe filter example
samples/bpf: Add counting example for kfree_skb() function calls and the write() syscall
samples/bpf: Add IO latency analysis (iosnoop/heatmap) tool
samples/bpf: Add kmem_alloc()/free() tracker tool
Andi Kleen (12):
perf record: Support recording running/enabled time
perf stat: Output running time and run/enabled ratio in CSV mode
perf stat: Fix IPC and other formulas with -A
perf stat: Always correctly indent ratio column
perf/x86/intel: Add new cache events table for Haswell
perf/x86/intel: Add Broadwell core support
perf/x86/intel: Add INST_RETIRED.ALL workarounds
perf/x86/intel: Reset more state in PMU reset
perf/x86: Dump DEBUGCTL in PMU dump
perf/x86: Only dump PEBS register when PEBS has been detected
perf/x86/intel: Streamline LBR MSR handling in PMI
perf/x86/intel: Avoid rewriting DEBUGCTL with the same value for LBRs
Aravind Gopalakrishnan (1):
perf/x86/amd/ibs: Convert force_ibs_eilvt_setup() to void
Arnaldo Carvalho de Melo (51):
tools lib traceevent: Introduce trace_seq_do_fprintf function
perf tools: Introduce event_format__fprintf method
perf trace: No need to enable evsels for workload started from perf
perf evlist: Fix typo in comment
perf trace: Print thread info when following children
perf trace: Handle multiple threads better wrt syscalls being intermixed
perf trace: Allow mixing with other events
perf trace: Support --events foo:bar --no-syscalls
perf trace: Only insert blank duration bracket when tracing syscalls
perf evlist: Introduce set_filter_pid method
perf trace: Filter out the trace pid when no threads are specified
perf evlist: Introduce set_filter_pids method
perf trace: Introduce --filter-pids
perf trace: Add man page entry for --event
perf trace: Separate routine that handles an event from the one that reads it
perf session: Remove wrappers to machines__find
perf evlist: Adopt events_stats from perf_session
perf session: Remove perf_session from warn_errors signature
perf session: Remove perf_session from some deliver event routines
perf session: Remove perf_session from dump_event
perf ordered_events: Stop using tool->ordered_events
perf tools: Introduce dump_stack signal helper
perf trace: Dump stack on segfaults
perf tools: Print the thread's tid on PERF_RECORD_COMM events when -D is asked
perf probe: Handle strdup() failure
perf tools: Fix FORK after COMM when synthesizing records for pre-existing threads
perf tools: Reference count struct thread
perf sched: No need to keep the session around
perf ordered_events: Untangle from perf_session
perf ordered_events: Shorten function signatures
perf ordered_events: Allow tools to specify a deliver method
perf tools: tool->finished_round() doesn't need perf_session
perf ordered_events: Adopt queue() method
perf tools: Output feature detection's gcc output to a file
perf hists browser: Simplify symbol annotation menu setup
perf hists browser: Fix up some branch alignment
perf hists: Remove hist_entry->used, not used anymore
perf hists browser: Allow annotating entries in callchains
perf trace: Handle legacy syscalls tracepoints
perf hists browser: Indicate which callchain entries are annotated
perf target: Simplify handling of strerror_r return
perf symbols: Save DSO loading errno to better report errors
perf evlist: Return the first evsel with an invalid filter in apply_filters()
perf trace: Fix syscall enter formatting bug
perf session: Always initialize ordered_events
perf ordered_samples: Remove references to perf_{evlist,tool} and machines
perf script: No need to lookup thread twice
perf scripting: No need to pass thread twice to the scripting callbacks
perf db-export: No need to pass thread twice to db_export__sample
perf db-export: No need to have ->thread twice in struct export_sample
perf tools: Fix error path to do closedir() when synthesizing threads
Daniel Borkmann (1):
bpf: Make internal bpf API independent of CONFIG_BPF_SYSCALL #ifdefs
Daniel Thompson (5):
timers, sched/clock: Match scope of read and write seqcounts
timers, sched/clock: Optimize cache line usage
timers, sched/clock: Remove suspend from clock_read_data()
timers, sched/clock: Remove redundant notrace from update function
timers, sched/clock: Avoid deadlock during read from NMI
David Ahern (17):
perf trace: Fix SIGBUS failures due to misaligned accesses
perf tools: Only include tsc file for x86
perf tools: Compare JOBS to 0 after grep
perf probe: Fix compiles due to declarations using perf_probe_point
perf trace: Fix summary_only option
tools lib traceevent: Add destructor for format_field
perf diff: Add kallsyms option
perf tools: Add pid/tid filtering to report and script commands
perf timechart: Fix SIBGUS error on sparc64
perf: Bump max number of cpus to 1024
perf tools: Set JOBS based on CPU or processor
perf/x86: Remove redundant calls to perf_pmu_{dis|en}able()
perf tools: Refactor comm/tgid lookup
perf tools: Fix ppid for synthesized fork events
perf tools: Fix synthesizing fork_event.ppid for non-main thread
perf tools: Fix cross-endian analysis
perf evlist: Fix type for references to data_head/tail
David Hildenbrand (1):
perf callchain: Fix kernel symbol resolution by remembering the cpumode
Eugene Shatokhin (1):
kprobes/x86: Return correct length in __copy_instruction()
H.J. Lu (1):
perf tools: Fix perf-read-vdsox32 not building and lib64 install dir
He Kuang (8):
perf probe: Fix a precedence bug
perf report: Fix branch stack mode cannot be set
perf probe: Fix possible double free on error
perf hists browser: Fix UI bug after zoom into thread/dso/symbol
perf hists browser: Fix UI bug after fold/unfold
perf probe: Fix failure to add multiple probes without debuginfo
perf evlist: Fix inverted logic in perf_mmap__empty
perf buildid-list: Fix segfault when show DSOs with hits
Ingo Molnar (11):
perf tools: Add PERF-FEATURES to the .gitignore file
perf tools: Remove annoying extra message from the features build
perf tools: Improve Python feature detection messages
perf tools: Improve libperl detection message
perf tools: Improve libbfd detection message
perf tools: Improve feature test debuggability
perf tools: Improve 'libbabel' feature check failure message
timers, sched/clock: Clean up the code a bit
bpf: Fix the build on BPF_SYSCALL=y && !CONFIG_TRACING kernels, make it more configurable
perf/x86/intel/pt: Fix the 32-bit build
perf/x86/intel/pt: Clean up the control flow in pt_pmu_hw_init()
Javi Merino (2):
tools lib traceevent: Factor out allocating and processing args
tools lib traceevent: Add support for __print_array()
Jiri Olsa (72):
tools build: Add new build support
tools build: Add detected config support
tools build: Add subdir support
perf tools: Remove api fs object from python build
perf build: Disable make's built-in rules
perf build: Add bench objects building
perf build: Add tests objects building
perf build: Add builtin objects building
perf build: Add libperf objects building
perf build: Add probe objects building
perf build: Add dwarf objects building
perf build: Add dwarf unwind objects building
perf build: Add ui objects building
perf build: Add slang objects building
perf build: Add gtk objects building
perf build: Add scripts objects building
perf build: Add perf regs objects building
perf build: Add zlib objects building
perf build: Add perf.o object building
perf build: Add arch x86 objects building
perf build: Add arch arm objects building
perf build: Add arch arm64 objects building
perf build: Add arch powerpc objects building
perf build: Add arch s390 objects building
perf build: Add arch sh objects building
perf build: Add arch sparc objects building
perf build: Add single target build framework support
perf build: Remove directory dependency rules
perf build: Remove uneeded variables
perf build: Remove PERF-CFLAGS file
perf build: Add build documentation
tools lib api: Use tools build framework
tools lib api: Rename libapikfs.a to libapi.a
tools lib traceevent: Use tools build framework
tools lib lockdep: Use tools build framework
perf build: Display make commands on V=1
perf tools: Add feature check for libbabeltrace
perf tools: Add new 'perf data' command
perf data: Add perf data to CTF conversion support
perf tools: Remove superfluous thread->comm_set setting
perf build: Fix libbabeltrace detection
perf build: Disable default check for libbabeltrace
perf build: Move features build output under features directory
perf build: Fix pthread-attr-setaffinity-np include in test-all
perf build: Get rid of LIB_INCLUDE variable
perf build: Rename CORE_FEATURE_TESTS to FEATURE_TESTS
perf build: Get rid of VF_FEATURE_TESTS
perf build: Rename display_lib into feature_display
perf build: Rename display_vf to feature_verbose
perf build: Rename PERF-FEATURES into FEATURE-DUMP
perf build: Rename feature_print_var_code to print_var_code
perf build: Fix feature_check name clash
perf build: Separate feature make support into config/Makefile.feature
perf build: Make features checks directory configurable
perf build: Move feature checks code under tools/build
tools build: Add feature check for lzma library
perf tools: Add lzma decompression support for kernel module
perf tools: Add kmod_path__parse function
perf tools: Add dsos__addnew function
perf tools: Add machine__module_dso function
perf tools: Use kmod_path__parse for machine__new_dso
perf tools: Use kmod_path__parse in map_groups__set_modules_path_dir
perf tools: Use kmod_path__parse in decompress_kmodule
perf tools: Use kmod_path__parse in is_kernel_module
perf tools: Remove compressed argument from is_kernel_module
perf tools: Remove is_kmodule_extension function
perf tools: Try to lookup kernel module map before creating one
perf annotate: Allow annotation for decompressed kernel modules
perf build: Disable libbabeltrace check by default
perf kmem: Respect -i option
perf tests: Fix attr tests
perf tools: Add 'I' event modifier for exclude_idle bit
John Stultz (12):
clocksource: Simplify the clocks_calc_max_nsecs() logic
clocksource: Simplify the logic around clocksource wrapping safety margins
clocksource: Add 'max_cycles' to 'struct clocksource'
timekeeping: Add debugging checks to warn if we see delays
timekeeping: Add checks to cap clocksource reads to the 'max_cycles' value
timekeeping: Try to catch clocksource delta underflows
timekeeping: Add warnings when overflows or underflows are observed
clocksource: Improve clocksource watchdog reporting
clocksource: Mostly kill clocksource_register()
clocksource, sparc32: Convert to using clocksource_register_hz()
clocksource: Add some debug info about clocksources being registered
clocksource: Rename __clocksource_updatefreq_*() to __clocksource_update_freq_*()
Josef Bacik (1):
tools lib traceevent: Handle NULL comm name
Josh Boyer (1):
perf tools: Define _GNU_SOURCE on pthread_attr_setaffinity_np feature check
Kaixu Xia (1):
perf: Remove the extra validity check on nr_pages
Kan Liang (4):
perf tools: Enable LBR call stack support
perf tools: Construct LBR call chain
perf diff: Support for different binaries
Revert "perf: Remove the extra validity check on nr_pages"
Maria Dimakopoulou (5):
perf/x86: Add 3 new scheduling callbacks
perf/x86/intel: Add cross-HT counter exclusion infrastructure
perf/x86/intel: Implement cross-HT corruption bug workaround
perf/x86/intel: Enforce HT bug workaround for SNB/IVB/HSW
perf/x86/intel: Enforce HT bug workaround with PEBS for SNB/IVB/HSW
Markus Elfring (1):
perf/x86/intel/uncore: Delete an unnecessary check before pci_dev_put() call
Masami Hiramatsu (19):
perf probe: Fix to handle optimized not-inlined functions
perf probe: Update man page
perf buildid-cache: Remove unneeded debugdir parameters
perf buildid-cache: Consolidate .build-id cache path generators
perf probe: Check kprobes blacklist when adding new events
perf probe: Fix get_real_path to free allocated memory in error path
perf buildid-cache: Add new buildid cache if update target is not cached
perf buildid-cache: Add --purge FILE to remove all caches of FILE
perf buildid-cache: Use pr_debug instead of verbose && pr_info
perf buildid-cache: Show usage with incorrect params
perf probe: Warn if given uprobe event accesses memory on older kernel
perf probe: Remove bias offset to find probe point by address
perf probe: Fix to handle aliased symbols in glibc
perf probe: Fix --line to handle aliased symbols in glibc
Revert "perf probe: Fix to fall back to find probe point in symbols"
perf probe: Fix to get ummapped symbol address on kernel
perf probe: Fix to track down unnamed union/structure members
perf probe: Support multiple probes on different binaries
perf probe: Check the orphaned -x option
Matt Fleming (9):
perf: Make perf_cgroup_from_task() global
perf: Add ->count() function to read per-package counters
perf: Move cgroup init before PMU ->event_init()
perf/x86/intel: Add Intel Cache QoS Monitoring support
perf/x86/intel: Implement LRU monitoring ID allocation for CQM
perf/x86/intel: Support task events with Intel CQM
perf/x86/intel: Perform rotation on Intel CQM RMIDs
perf/x86/intel: Enable conflicting event scheduling for CQM
perf/x86/intel: Fix Makefile to actually build the cqm driver
Milos Vyletel (1):
perf tools: Fix race in build_id_cache__add_s()
Namhyung Kim (13):
perf test: Fix dso cache testcase
perf tests: Do not rely on dso__data_read_offset() to open dso
perf tools: Fix a dso open fail message
perf tools: Fix build error on ARCH=i386/x86_64/sparc64
perf record: Get rid of -l option from Documentation
perf record: Document --group option
perf symbols: Allow symbol alias when loading map for symbol name
perf probe: Allow weak symbols to be probed
perf kmem: Fix segfault when invalid sort key is given
perf kmem: Allow -v option
perf kmem: Fix alignment of slab result table
perf kmem: Print big numbers using thousands' group
tools lib traceevent: Honor operator priority
Peter P Waskiewicz Jr (1):
x86: Add support for Intel Cache QoS Monitoring (CQM) detection
Peter Zijlstra (13):
perf/x86/intel: Expose LBR callstack to user space tooling
perf, powerpc: Fix up flush_branch_stack() users
perf: Remove type specific target pointers
time: Rename timekeeper::tkr to timekeeper::tkr_mono
time: Add timerkeeper::tkr_raw
time: Parametrize all tk_fast_mono users
time: Introduce tk_fast_raw
time: Add ktime_get_tai_ns()
perf: Fix racy group access
perf: Add per event clockid support
perf: Add AUX area to ring buffer for raw data streams
perf record: Add clockid parameter
perf tools: Merge all perf_event_attr print functions
Sebastian Andrzej Siewior (2):
perf data: Add a 'perf' prefix to the generic fields
perf data: Add tracepoint events fields CTF conversion support
Shaohua Li (2):
perf: Update shadow timestamp before add event
perf: Update userspace page info for software event
Stephane Eranian (7):
perf/x86: Rename x86_pmu::er_flags to 'flags'
perf/x86: Vectorize cpuc->kfree_on_online
perf/x86: Add 'index' param to get_event_constraint() callback
perf/x86/intel: Fix intel_get_event_constraints() for dynamic constraints
perf/x86/intel: Limit to half counters when the HT workaround is enabled, to avoid exclusive mode starvation
watchdog: Add watchdog enable/disable all functions
perf/x86/intel: Make the HT bug workaround conditional on HT enabled
Steven Rostedt (2):
tools lib traceevent: Make plugin options either string or boolean
tools lib traceevent: Zero should not be considered "not found" in eval_flag()
Steven Rostedt (Red Hat) (12):
perf tools: Do not check debugfs MAGIC for tracing files
tools lib fs: Add helper to find mounted file systems
tools lib api fs: Add tracefs mount helper functions
tools lib api debugfs: Add DEBUGFS_DEFAULT_PATH macro
tools lib api fs: Add {tracefs,debugfs}_configured() functions
perf tools: Make perf aware of tracefs
tools lib traceevent: Copy trace_clock and free it
tools lib traceevent: Handle %z in bprint format
tools lib traceevent: Add pevent_data_pid_from_comm()
tools lib traceevent kbuffer: Remove extra update to data pointer in PADDING
tools lib traceevent: Add way to find sub buffer boundary
tools lib traceevent: Free filter tokens in process_filter()
Suzuki K. Poulose (1):
perf stat: Report unsupported events properly
Victor Kamensky (2):
perf symbols: Ignore mapping symbols on aarch64
perf symbols: debuglink should take symfs option into account
Vinson Lee (2):
perf symbols: Define STT_GNU_IFUNC for glibc 2.9 and older.
perf tools: Work around lack of sched_getcpu in glibc < 2.6.
Viresh Kumar (1):
clockevents: Introduce mode specific callbacks
Wang Nan (7):
perf tools: Fix building error for arm64.
perf callchain: Separate eh/debug frame offset cache.
perf report: Don't allow empty argument for '-t'.
perf tools: Don't allow empty argument for field-separator
perf kmaps: Check kmaps to make code more robust
perf probe: Fix ARM 32 building error
perf report: Don't call map__kmap if map is NULL.
Yan, Zheng (13):
perf/x86/intel: Reduce lbr_sel_map[] size
perf: Introduce pmu context switch callback
perf/x86/intel: Use context switch callback to flush LBR stack
perf/x86/intel: Add basic Haswell LBR call stack support
perf: Add pmu specific data for perf task context
perf: Always switch pmu specific data during context switch
perf/x86/intel: Allocate space for storing LBR stack
perf/x86/intel: Track number of events that use the LBR callstack
perf/x86/intel: Save/restore LBR stack during context switch
perf: Simplify the branch stack check
perf/x86/intel: Re-organize code that implicitly enables LBR/PEBS
perf/x86/intel: Disable FREEZE_LBRS_ON_PMI when LBR operates in callstack mode
perf/x86/intel: Discard zero length call entries in LBR call stack
Yunlong Song (45):
perf tools: Fix a bug of segmentation fault
perf list: Place the header text in its right position
perf data: Fix sentinel setting for data_cmds array
perf list: Sort the output of 'perf list' to view more clearly
perf list: Allow listing events with 'tracepoint' prefix
perf list: Avoid confusion of perf output and the next command prompt
perf tools: Remove the '--(null)' long_name for --list-opts
perf list: Clean up the printing functions of hardware/software events
perf list: Extend raw-dump to certain kind of events
perf tools: Fix the bash completion problem of 'perf --*'
perf tools: Fix the bash completion for listing options of perf subcommand
perf tools: Fix the bash completion for listing subsubcommands of perf subcommand
perf tools: Provide the right bash completion for listing options of perf subcommand subsubcommand
perf tools: Fix the bash completion for listing events of perf subcommand record|stat|top -e
perf tools: Fix the bash completion to support listing events for --event
perf tools: Fix the bash completion for listing subcommands of perf
perf tools: Add the bash completion for listing subsubcommands of perf data
perf tools: Add the bash completion for listing subsubcommands of perf help
perf tools: Add the bash completion for listing subsubcommands of perf script
perf tools: Add the bash completion for listing subsubcommands of perf test
perf tools: Add the bash completion for listing subsubcommands of perf timechart
perf tools: Add the bash completion for listing subsubcommands of perf trace
perf tools: Avoid confusion with preloaded bash function for perf bash completion
perf build: Use FEATURE-DUMP instead of PERF-FEATURES in the .gitignore file
perf build: Add config/feature-checks/*.output to the .gitignore file
perf tools: Remove (null) value of "Sort order" for perf mem report
perf evlist: Support using -f to override perf.data file ownership
perf inject: Support using -f to override perf.data file ownership
perf kmem: Support using -f to override perf.data file ownership
perf kvm: Support using -f to override perf.data.guest file ownership
perf lock: Support using -f to override perf.data file ownership
perf mem: Support using -f to override perf.data file ownership
perf script: Support using -f to override perf.data file ownership
perf timechart: Support using -f to override perf.data file ownership
perf trace: Support using -f to override perf.data file ownership
perf data: Support using -f to override perf.data file ownership for 'convert'
perf sched replay: Use struct task_desc instead of struct task_task for correct meaning
perf sched replay: Increase the MAX_PID value to fix assertion failure problem
perf sched replay: Alloc the memory of pid_to_task dynamically to adapt to the unexpected change of pid_max
perf sched replay: Realloc the memory of pid_to_task stepwise to adapt to the different pid_max configurations
perf sched replay: Fix the segmentation fault problem caused by pr_err in threads
perf sched replay: Handle the dead halt of sem_wait when create_tasks() fails for any task
perf sched replay: Fix the EMFILE error caused by the limitation of the maximum open files
perf sched replay: Support using -f to override perf.data file ownership
perf sched replay: Use replay_repeat to calculate the runavg of cpu usage instead of the default value 10
arch/arm/kernel/hw_breakpoint.c | 2 +-
arch/arm/plat-omap/counter_32k.c | 2 +-
arch/arm64/kernel/hw_breakpoint.c | 2 +-
arch/arm64/kernel/vdso.c | 10 +-
arch/powerpc/perf/core-book3s.c | 13 +-
arch/s390/kernel/time.c | 20 +-
arch/sparc/kernel/time_32.c | 6 +-
arch/tile/kernel/time.c | 24 +-
arch/x86/include/asm/cpufeature.h | 10 +-
arch/x86/include/asm/processor.h | 3 +
arch/x86/include/uapi/asm/msr-index.h | 18 +
arch/x86/kernel/cpu/Makefile | 3 +-
arch/x86/kernel/cpu/common.c | 39 +
arch/x86/kernel/cpu/intel_pt.h | 131 ++
arch/x86/kernel/cpu/perf_event.c | 205 ++-
arch/x86/kernel/cpu/perf_event.h | 167 ++-
arch/x86/kernel/cpu/perf_event_amd.c | 9 +-
arch/x86/kernel/cpu/perf_event_amd_ibs.c | 12 +-
arch/x86/kernel/cpu/perf_event_intel.c | 908 ++++++++++++-
arch/x86/kernel/cpu/perf_event_intel_bts.c | 525 ++++++++
arch/x86/kernel/cpu/perf_event_intel_cqm.c | 1379 ++++++++++++++++++++
arch/x86/kernel/cpu/perf_event_intel_ds.c | 31 +-
arch/x86/kernel/cpu/perf_event_intel_lbr.c | 321 ++++-
arch/x86/kernel/cpu/perf_event_intel_pt.c | 1103 ++++++++++++++++
.../x86/kernel/cpu/perf_event_intel_uncore_snbep.c | 3 +-
arch/x86/kernel/cpu/scattered.c | 1 +
arch/x86/kernel/kprobes/core.c | 9 +-
arch/x86/kernel/vsyscall_gtod.c | 24 +-
arch/x86/kvm/x86.c | 14 +-
drivers/clocksource/em_sti.c | 2 +-
drivers/clocksource/sh_cmt.c | 2 +-
drivers/clocksource/sh_tmu.c | 2 +-
include/linux/bpf.h | 20 +-
include/linux/clockchips.h | 21 +-
include/linux/clocksource.h | 25 +-
include/linux/ftrace_event.h | 14 +
include/linux/perf_event.h | 121 +-
include/linux/timekeeper_internal.h | 16 +-
include/linux/timekeeping.h | 6 +
include/linux/watchdog.h | 8 +
include/uapi/linux/bpf.h | 5 +
include/uapi/linux/perf_event.h | 115 +-
init/Kconfig | 2 +-
kernel/bpf/syscall.c | 7 +-
kernel/events/core.c | 752 ++++++++---
kernel/events/hw_breakpoint.c | 8 +-
kernel/events/internal.h | 33 +
kernel/events/ring_buffer.c | 327 ++++-
kernel/time/clockevents.c | 88 +-
kernel/time/clocksource.c | 170 ++-
kernel/time/jiffies.c | 5 +-
kernel/time/sched_clock.c | 236 ++--
kernel/time/timekeeping.c | 345 +++--
kernel/time/timer_list.c | 32 +-
kernel/trace/Kconfig | 8 +
kernel/trace/Makefile | 1 +
kernel/trace/bpf_trace.c | 222 ++++
kernel/trace/trace_kprobe.c | 10 +-
kernel/trace/trace_uprobe.c | 10 +-
kernel/watchdog.c | 28 +
lib/Kconfig.debug | 13 +
samples/bpf/Makefile | 16 +
samples/bpf/bpf_helpers.h | 6 +
samples/bpf/bpf_load.c | 125 +-
samples/bpf/bpf_load.h | 3 +
samples/bpf/libbpf.c | 14 +-
samples/bpf/libbpf.h | 5 +-
samples/bpf/sock_example.c | 2 +-
samples/bpf/test_verifier.c | 2 +-
samples/bpf/tracex1_kern.c | 50 +
samples/bpf/tracex1_user.c | 25 +
samples/bpf/tracex2_kern.c | 86 ++
samples/bpf/tracex2_user.c | 95 ++
samples/bpf/tracex3_kern.c | 89 ++
samples/bpf/tracex3_user.c | 150 +++
samples/bpf/tracex4_kern.c | 54 +
samples/bpf/tracex4_user.c | 69 +
tools/build/Build.include | 81 ++
tools/build/Documentation/Build.txt | 139 ++
tools/build/Makefile.build | 130 ++
tools/build/Makefile.feature | 171 +++
.../feature-checks => build/feature}/.gitignore | 1 +
.../feature-checks => build/feature}/Makefile | 31 +-
.../feature-checks => build/feature}/test-all.c | 19 +-
.../feature}/test-backtrace.c | 0
.../feature-checks => build/feature}/test-bionic.c | 0
.../feature}/test-compile.c | 0
.../feature}/test-cplus-demangle.c | 0
.../feature-checks => build/feature}/test-dwarf.c | 0
.../feature}/test-fortify-source.c | 0
.../feature-checks => build/feature}/test-glibc.c | 0
.../feature}/test-gtk2-infobar.c | 0
.../feature-checks => build/feature}/test-gtk2.c | 0
.../feature-checks => build/feature}/test-hello.c | 0
.../feature}/test-libaudit.c | 0
tools/build/feature/test-libbabeltrace.c | 9 +
.../feature-checks => build/feature}/test-libbfd.c | 0
.../feature}/test-libdw-dwarf-unwind.c | 0
.../feature}/test-libelf-getphdrnum.c | 0
.../feature}/test-libelf-mmap.c | 0
.../feature-checks => build/feature}/test-libelf.c | 0
.../feature}/test-libnuma.c | 0
.../feature}/test-libperl.c | 0
.../feature}/test-libpython-version.c | 0
.../feature}/test-libpython.c | 0
.../feature}/test-libslang.c | 0
.../feature}/test-libunwind-debug-frame.c | 0
.../feature}/test-libunwind.c | 0
tools/build/feature/test-lzma.c | 10 +
.../feature}/test-pthread-attr-setaffinity-np.c | 4 +-
.../feature}/test-stackprotector-all.c | 0
.../feature}/test-sync-compare-and-swap.c | 0
.../feature}/test-timerfd.c | 0
.../feature-checks => build/feature}/test-zlib.c | 0
tools/build/tests/ex/Build | 8 +
tools/build/tests/ex/Makefile | 23 +
tools/build/tests/ex/a.c | 5 +
tools/build/tests/ex/arch/Build | 2 +
tools/build/tests/ex/arch/e.c | 5 +
tools/build/tests/ex/arch/f.c | 5 +
tools/build/tests/ex/b.c | 5 +
tools/build/tests/ex/c.c | 5 +
tools/build/tests/ex/d.c | 5 +
tools/build/tests/ex/empty/Build | 0
tools/build/tests/ex/ex.c | 19 +
tools/build/tests/run.sh | 42 +
tools/lib/api/Build | 2 +
tools/lib/api/Makefile | 58 +-
tools/lib/api/fd/Build | 1 +
tools/lib/api/fs/Build | 4 +
tools/lib/api/fs/debugfs.c | 69 +-
tools/lib/api/fs/debugfs.h | 13 +-
tools/lib/api/fs/findfs.c | 63 +
tools/lib/api/fs/findfs.h | 23 +
tools/lib/api/fs/tracefs.c | 78 ++
tools/lib/api/fs/tracefs.h | 21 +
tools/lib/lockdep/Build | 1 +
tools/lib/lockdep/Makefile | 132 +-
tools/lib/traceevent/Build | 17 +
tools/lib/traceevent/Makefile | 169 +--
tools/lib/traceevent/event-parse.c | 305 ++++-
tools/lib/traceevent/event-parse.h | 24 +-
tools/lib/traceevent/event-plugin.c | 60 +-
tools/lib/traceevent/kbuffer-parse.c | 12 +-
tools/lib/traceevent/kbuffer.h | 1 +
tools/lib/traceevent/parse-filter.c | 2 +
tools/lib/traceevent/trace-seq.c | 13 +-
tools/perf/.gitignore | 1 +
tools/perf/Build | 44 +
tools/perf/Documentation/Build.txt | 49 +
tools/perf/Documentation/perf-buildid-cache.txt | 24 +-
tools/perf/Documentation/perf-data.txt | 40 +
tools/perf/Documentation/perf-diff.txt | 8 +
tools/perf/Documentation/perf-kmem.txt | 4 +
tools/perf/Documentation/perf-list.txt | 7 +
tools/perf/Documentation/perf-probe.txt | 16 +-
tools/perf/Documentation/perf-record.txt | 30 +-
tools/perf/Documentation/perf-report.txt | 5 +
tools/perf/Documentation/perf-script.txt | 6 +
tools/perf/Documentation/perf-trace.txt | 6 +
tools/perf/Documentation/perf.txt | 7 +-
tools/perf/MANIFEST | 1 +
tools/perf/Makefile | 4 +-
tools/perf/Makefile.perf | 622 ++-------
tools/perf/arch/Build | 2 +
tools/perf/arch/arm/Build | 2 +
tools/perf/arch/arm/Makefile | 11 -
tools/perf/arch/arm/tests/Build | 2 +
tools/perf/arch/arm/util/Build | 4 +
tools/perf/arch/arm64/Build | 1 +
tools/perf/arch/arm64/Makefile | 4 -
tools/perf/arch/arm64/util/Build | 2 +
tools/perf/arch/powerpc/Build | 1 +
tools/perf/arch/powerpc/Makefile | 3 -
tools/perf/arch/powerpc/util/Build | 4 +
tools/perf/arch/s390/Build | 1 +
tools/perf/arch/s390/Makefile | 3 -
tools/perf/arch/s390/util/Build | 4 +
tools/perf/arch/sh/Build | 1 +
tools/perf/arch/sh/Makefile | 1 -
tools/perf/arch/sh/util/Build | 1 +
tools/perf/arch/sparc/Build | 1 +
tools/perf/arch/sparc/Makefile | 1 -
tools/perf/arch/sparc/util/Build | 1 +
tools/perf/arch/x86/Build | 2 +
tools/perf/arch/x86/Makefile | 15 -
tools/perf/arch/x86/tests/Build | 2 +
tools/perf/arch/x86/util/Build | 8 +
tools/perf/bench/Build | 11 +
tools/perf/builtin-annotate.c | 2 +-
tools/perf/builtin-buildid-cache.c | 107 +-
tools/perf/builtin-buildid-list.c | 2 +-
tools/perf/builtin-data.c | 123 ++
tools/perf/builtin-diff.c | 6 +-
tools/perf/builtin-evlist.c | 2 +
tools/perf/builtin-help.c | 17 +-
tools/perf/builtin-inject.c | 16 +-
tools/perf/builtin-kmem.c | 38 +-
tools/perf/builtin-kvm.c | 15 +-
tools/perf/builtin-list.c | 28 +-
tools/perf/builtin-lock.c | 7 +-
tools/perf/builtin-mem.c | 7 +-
tools/perf/builtin-probe.c | 19 +-
tools/perf/builtin-record.c | 108 +-
tools/perf/builtin-report.c | 16 +-
tools/perf/builtin-sched.c | 101 +-
tools/perf/builtin-script.c | 34 +-
tools/perf/builtin-stat.c | 98 +-
tools/perf/builtin-timechart.c | 12 +-
tools/perf/builtin-top.c | 10 +-
tools/perf/builtin-trace.c | 281 +++-
tools/perf/builtin.h | 1 +
tools/perf/command-list.txt | 1 +
tools/perf/config/Makefile | 293 ++---
tools/perf/config/Makefile.arch | 29 +-
tools/perf/config/utilities.mak | 3 +-
tools/perf/perf-completion.sh | 94 +-
tools/perf/perf.c | 29 +
tools/perf/perf.h | 5 +-
tools/perf/scripts/Build | 2 +
tools/perf/scripts/perl/Perf-Trace-Util/Build | 3 +
tools/perf/scripts/python/Perf-Trace-Util/Build | 3 +
tools/perf/tests/Build | 43 +
tools/perf/tests/attr/base-record | 2 +-
tools/perf/tests/attr/base-stat | 2 +-
tools/perf/tests/builtin-test.c | 9 +-
tools/perf/tests/dso-data.c | 22 +-
tools/perf/tests/kmod-path.c | 73 ++
tools/perf/tests/make | 2 +-
tools/perf/tests/open-syscall-all-cpus.c | 7 +-
tools/perf/tests/open-syscall.c | 7 +-
tools/perf/tests/parse-events.c | 53 +-
tools/perf/tests/tests.h | 1 +
tools/perf/ui/Build | 14 +
tools/perf/ui/browsers/Build | 10 +
tools/perf/ui/browsers/annotate.c | 8 +-
tools/perf/ui/browsers/hists.c | 88 +-
tools/perf/ui/gtk/Build | 9 +
tools/perf/ui/tui/Build | 4 +
tools/perf/util/Build | 145 ++
tools/perf/util/annotate.c | 32 +-
tools/perf/util/build-id.c | 209 ++-
tools/perf/util/build-id.h | 8 +-
tools/perf/util/cache.h | 1 +
tools/perf/util/callchain.c | 8 +
tools/perf/util/callchain.h | 1 +
tools/perf/util/cloexec.c | 6 +
tools/perf/util/cloexec.h | 6 +
tools/perf/util/data-convert-bt.c | 857 ++++++++++++
tools/perf/util/data-convert-bt.h | 8 +
tools/perf/util/db-export.c | 4 +-
tools/perf/util/db-export.h | 3 +-
tools/perf/util/debug.c | 2 +
tools/perf/util/debug.h | 1 +
tools/perf/util/dso.c | 159 ++-
tools/perf/util/dso.h | 49 +-
tools/perf/util/dwarf-aux.c | 29 +-
tools/perf/util/dwarf-aux.h | 3 +
tools/perf/util/event.c | 190 ++-
tools/perf/util/event.h | 1 -
tools/perf/util/evlist.c | 49 +-
tools/perf/util/evlist.h | 14 +-
tools/perf/util/evsel.c | 354 ++---
tools/perf/util/evsel.h | 11 +
tools/perf/util/header.c | 35 +-
tools/perf/util/hist.c | 11 +-
tools/perf/util/hist.h | 11 +-
tools/perf/util/kvm-stat.h | 1 +
tools/perf/util/lzma.c | 95 ++
tools/perf/util/machine.c | 332 +++--
tools/perf/util/machine.h | 2 +-
tools/perf/util/map.c | 20 +
tools/perf/util/map.h | 6 +-
tools/perf/util/ordered-events.c | 65 +-
tools/perf/util/ordered-events.h | 19 +-
tools/perf/util/parse-events.c | 242 ++--
tools/perf/util/parse-events.h | 13 +-
tools/perf/util/parse-events.l | 2 +-
tools/perf/util/parse-options.c | 32 +-
tools/perf/util/parse-options.h | 2 +
tools/perf/util/probe-event.c | 373 +++++-
tools/perf/util/probe-event.h | 6 +-
tools/perf/util/probe-finder.c | 25 +-
tools/perf/util/python-ext-sources | 1 -
tools/perf/util/scripting-engines/Build | 6 +
.../perf/util/scripting-engines/trace-event-perl.c | 10 +-
.../util/scripting-engines/trace-event-python.c | 21 +-
tools/perf/util/session.c | 320 +++--
tools/perf/util/session.h | 18 +-
tools/perf/util/setup.py | 2 +-
tools/perf/util/sort.c | 9 +
tools/perf/util/sort.h | 2 +-
tools/perf/util/symbol-elf.c | 87 +-
tools/perf/util/symbol-minimal.c | 7 +-
tools/perf/util/symbol.c | 65 +-
tools/perf/util/symbol.h | 8 +
tools/perf/util/target.c | 7 +-
tools/perf/util/thread.c | 15 +-
tools/perf/util/thread.h | 24 +
tools/perf/util/tool.h | 8 +-
tools/perf/util/trace-event-parse.c | 12 +-
tools/perf/util/trace-event-scripting.c | 1 -
tools/perf/util/trace-event.h | 6 +-
tools/perf/util/unwind-libunwind.c | 8 +-
tools/perf/util/util.c | 67 +-
tools/perf/util/util.h | 6 +
306 files changed, 13940 insertions(+), 3266 deletions(-)
create mode 100644 arch/x86/kernel/cpu/intel_pt.h
create mode 100644 arch/x86/kernel/cpu/perf_event_intel_bts.c
create mode 100644 arch/x86/kernel/cpu/perf_event_intel_cqm.c
create mode 100644 arch/x86/kernel/cpu/perf_event_intel_pt.c
create mode 100644 kernel/trace/bpf_trace.c
create mode 100644 samples/bpf/tracex1_kern.c
create mode 100644 samples/bpf/tracex1_user.c
create mode 100644 samples/bpf/tracex2_kern.c
create mode 100644 samples/bpf/tracex2_user.c
create mode 100644 samples/bpf/tracex3_kern.c
create mode 100644 samples/bpf/tracex3_user.c
create mode 100644 samples/bpf/tracex4_kern.c
create mode 100644 samples/bpf/tracex4_user.c
create mode 100644 tools/build/Build.include
create mode 100644 tools/build/Documentation/Build.txt
create mode 100644 tools/build/Makefile.build
create mode 100644 tools/build/Makefile.feature
rename tools/{perf/config/feature-checks => build/feature}/.gitignore (52%)
rename tools/{perf/config/feature-checks => build/feature}/Makefile (72%)
rename tools/{perf/config/feature-checks => build/feature}/test-all.c (87%)
rename tools/{perf/config/feature-checks => build/feature}/test-backtrace.c (100%)
rename tools/{perf/config/feature-checks => build/feature}/test-bionic.c (100%)
rename tools/{perf/config/feature-checks => build/feature}/test-compile.c (100%)
rename tools/{perf/config/feature-checks => build/feature}/test-cplus-demangle.c (100%)
rename tools/{perf/config/feature-checks => build/feature}/test-dwarf.c (100%)
rename tools/{perf/config/feature-checks => build/feature}/test-fortify-source.c (100%)
rename tools/{perf/config/feature-checks => build/feature}/test-glibc.c (100%)
rename tools/{perf/config/feature-checks => build/feature}/test-gtk2-infobar.c (100%)
rename tools/{perf/config/feature-checks => build/feature}/test-gtk2.c (100%)
rename tools/{perf/config/feature-checks => build/feature}/test-hello.c (100%)
rename tools/{perf/config/feature-checks => build/feature}/test-libaudit.c (100%)
create mode 100644 tools/build/feature/test-libbabeltrace.c
rename tools/{perf/config/feature-checks => build/feature}/test-libbfd.c (100%)
rename tools/{perf/config/feature-checks => build/feature}/test-libdw-dwarf-unwind.c (100%)
rename tools/{perf/config/feature-checks => build/feature}/test-libelf-getphdrnum.c (100%)
rename tools/{perf/config/feature-checks => build/feature}/test-libelf-mmap.c (100%)
rename tools/{perf/config/feature-checks => build/feature}/test-libelf.c (100%)
rename tools/{perf/config/feature-checks => build/feature}/test-libnuma.c (100%)
rename tools/{perf/config/feature-checks => build/feature}/test-libperl.c (100%)
rename tools/{perf/config/feature-checks => build/feature}/test-libpython-version.c (100%)
rename tools/{perf/config/feature-checks => build/feature}/test-libpython.c (100%)
rename tools/{perf/config/feature-checks => build/feature}/test-libslang.c (100%)
rename tools/{perf/config/feature-checks => build/feature}/test-libunwind-debug-frame.c (100%)
rename tools/{perf/config/feature-checks => build/feature}/test-libunwind.c (100%)
create mode 100644 tools/build/feature/test-lzma.c
rename tools/{perf/config/feature-checks => build/feature}/test-pthread-attr-setaffinity-np.c (77%)
rename tools/{perf/config/feature-checks => build/feature}/test-stackprotector-all.c (100%)
rename tools/{perf/config/feature-checks => build/feature}/test-sync-compare-and-swap.c (100%)
rename tools/{perf/config/feature-checks => build/feature}/test-timerfd.c (100%)
rename tools/{perf/config/feature-checks => build/feature}/test-zlib.c (100%)
create mode 100644 tools/build/tests/ex/Build
create mode 100644 tools/build/tests/ex/Makefile
create mode 100644 tools/build/tests/ex/a.c
create mode 100644 tools/build/tests/ex/arch/Build
create mode 100644 tools/build/tests/ex/arch/e.c
create mode 100644 tools/build/tests/ex/arch/f.c
create mode 100644 tools/build/tests/ex/b.c
create mode 100644 tools/build/tests/ex/c.c
create mode 100644 tools/build/tests/ex/d.c
create mode 100644 tools/build/tests/ex/empty/Build
create mode 100644 tools/build/tests/ex/ex.c
create mode 100755 tools/build/tests/run.sh
create mode 100644 tools/lib/api/Build
create mode 100644 tools/lib/api/fd/Build
create mode 100644 tools/lib/api/fs/Build
create mode 100644 tools/lib/api/fs/findfs.c
create mode 100644 tools/lib/api/fs/findfs.h
create mode 100644 tools/lib/api/fs/tracefs.c
create mode 100644 tools/lib/api/fs/tracefs.h
create mode 100644 tools/lib/lockdep/Build
create mode 100644 tools/lib/traceevent/Build
create mode 100644 tools/perf/Build
create mode 100644 tools/perf/Documentation/Build.txt
create mode 100644 tools/perf/Documentation/perf-data.txt
create mode 100644 tools/perf/arch/Build
create mode 100644 tools/perf/arch/arm/Build
create mode 100644 tools/perf/arch/arm/tests/Build
create mode 100644 tools/perf/arch/arm/util/Build
create mode 100644 tools/perf/arch/arm64/Build
create mode 100644 tools/perf/arch/arm64/util/Build
create mode 100644 tools/perf/arch/powerpc/Build
create mode 100644 tools/perf/arch/powerpc/util/Build
create mode 100644 tools/perf/arch/s390/Build
create mode 100644 tools/perf/arch/s390/util/Build
create mode 100644 tools/perf/arch/sh/Build
create mode 100644 tools/perf/arch/sh/util/Build
create mode 100644 tools/perf/arch/sparc/Build
create mode 100644 tools/perf/arch/sparc/util/Build
create mode 100644 tools/perf/arch/x86/Build
create mode 100644 tools/perf/arch/x86/tests/Build
create mode 100644 tools/perf/arch/x86/util/Build
create mode 100644 tools/perf/bench/Build
create mode 100644 tools/perf/builtin-data.c
create mode 100644 tools/perf/scripts/Build
create mode 100644 tools/perf/scripts/perl/Perf-Trace-Util/Build
create mode 100644 tools/perf/scripts/python/Perf-Trace-Util/Build
create mode 100644 tools/perf/tests/Build
create mode 100644 tools/perf/tests/kmod-path.c
create mode 100644 tools/perf/ui/Build
create mode 100644 tools/perf/ui/browsers/Build
create mode 100644 tools/perf/ui/gtk/Build
create mode 100644 tools/perf/ui/tui/Build
create mode 100644 tools/perf/util/Build
create mode 100644 tools/perf/util/data-convert-bt.c
create mode 100644 tools/perf/util/data-convert-bt.h
create mode 100644 tools/perf/util/lzma.c
create mode 100644 tools/perf/util/scripting-engines/Build
[ ... patch skipped due to lkml size limits. ... ]
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