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From: Jiri Olsa <jolsa@redhat.com>
To: John Garry <john.garry@huawei.com>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: perf test for daemon
Date: Thu, 25 Feb 2021 20:13:05 +0100	[thread overview]
Message-ID: <YDf2wUG9JiXKEzL9@krava> (raw)
In-Reply-To: <e368e5d0-0005-0b67-aaeb-042eef9c24be@huawei.com>

On Thu, Feb 25, 2021 at 06:39:22PM +0000, John Garry wrote:
> 
> Hi,
> 
> I notice that "perf test" when run without root priviledges now hangs at the
> daemon test - is this expected behaviour? Can we skip and warn the user
> instead?
> 
> I'm checking acme perf/core today.

ugh, I'll check.. looks like control fifo files are created with wrong permissions

thanks,
jirka

> 
> Thanks
> 
> -------- Forwarded Message --------
> Subject: [GIT PULL] perf tools changes for v5.12
> Date: Fri, 19 Feb 2021 16:46:19 -0300
> From: Arnaldo Carvalho de Melo <acme@kernel.org>
> To: Linus Torvalds <torvalds@linux-foundation.org>
> CC: Ingo Molnar <mingo@kernel.org>, Thomas Gleixner <tglx@linutronix.de>,
> Jiri Olsa <jolsa@kernel.org>, Namhyung Kim <namhyung@kernel.org>,
> linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Arnaldo
> Carvalho de Melo <acme@kernel.org>, Abaci Robot <abaci@linux.alibaba.com>,
> Alexei Budankov <abudankov@huawei.com>, Athira Jajeev
> <atrajeev@linux.vnet.ibm.com>, Dmitry Safonov <dima@arista.com>, Hans-Peter
> Nilsson <hp@axis.com>, Ian Rogers <irogers@google.com>, James Clark
> <james.clark@arm.com>, Jianlin Lv <Jianlin.Lv@arm.com>, Jin Yao
> <yao.jin@linux.intel.com>, John Garry <john.garry@huawei.com>, Kan Liang
> <kan.liang@linux.intel.com>, Kees Kook <keescook@chromium.org>, Leo Yan
> <leo.yan@linaro.org>, Martin Liška <mliska@suse.cz>, Mike Leach
> <mike.leach@linaro.org>, Paul Cercueil <paul@crapouillou.net>, Song Liu
> <songliubraving@fb.com>, Stephane Eranian <eranian@google.com>, Yang Li
> <yang.lee@linux.alibaba.com>, Yonatan Goldschmidt
> <yonatan.goldschmidt@granulate.io>, Arnaldo Carvalho de Melo
> <acme@redhat.com>
> 
> Hi Linus,
> 
> 	Please consider pulling,
> 
> Best regards,
> 
> - Arnaldo
> 
> Test results at the end of this message.
> 
> The following changes since commit f40ddce88593482919761f74910f42f4b84c004b:
> 
>   Linux 5.11 (2021-02-14 14:32:24 -0800)
> 
> are available in the Git repository at:
> 
>   git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux.git
> tags/perf-tools-for-v5.12-2020-02-19
> 
> for you to fetch changes up to 3027ce36ccbae74f2e7c1afbfc3f69fee0c2a996:
> 
>   perf buildid-cache: Don't skip 16-byte build-ids (2021-02-18 16:41:40
> -0300)
> 
> ----------------------------------------------------------------
> New features:
> 
> - Support instruction latency in 'perf report', with both memory latency
>   (weight) and instruction latency information, users can locate expensive
> load
>   instructions and understand time spent in different stages.
> 
> - Extend 'perf c2c' to display the number of loads which were blocked by
> data
>   or address conflict.
> 
> - Add 'perf stat' support for L2 topdown events in systems such as Intel's
>   Sapphire rapids server.
> 
> - Add support for PERF_SAMPLE_CODE_PAGE_SIZE in various tools, as a sort
> key, for instance:
> 
>     perf report --stdio --sort=comm,symbol,code_page_size
> 
> - New 'perf daemon' command to run long running sessions while providing a
> way to control
>   the enablement of events without restarting a traditional 'perf record'
> session.
> 
> - Enable counting events for BPF programs in 'perf stat' just like for other
>   targets (tid, cgroup, cpu, etc), e.g.:
> 
>       # perf stat -e ref-cycles,cycles -b 254 -I 1000
>          1.487903822            115,200      ref-cycles
>          1.487903822             86,012      cycles
>          2.489147029             80,560      ref-cycles
>          2.489147029             73,784      cycles
>       ^C#
> 
>   The example above counts 'cycles' and 'ref-cycles' of BPF program of id
> 254.
>   It is similar to bpftool-prog-profile command, but more flexible.
> 
> - Support the new layout for PERF_RECORD_MMAP2 to carry the DSO build-id
> using infrastructure
>   generalised from the eBPF subsystem, removing the need for traversing the
> perf.data file
>   to collect build-ids at the end of 'perf record' sessions and helping with
> long running
>   sessions where binaries can get replaced in updates, leading to possible
> mis-resolution
>   of symbols.
> 
> - Support filtering by hex address in 'perf script'.
> 
> - Support DSO filter in 'perf script', like in other perf tools.
> 
> - Add namespaces support to 'perf inject'
> 
> - Add support for SDT (Dtrace Style Markers) events on ARM64.
> 
> perf record:
> 
> - Fix handling of eventfd() when draining a buffer in 'perf record'.
> 
> - Improvements to the generation of metadata events for pre-existing threads
> (mmaps, comm, etc),
>   speeding up the work done at the start of system wide or per CPU 'perf
> record' sessions.
> 
> Hardware tracing:
> 
> - Initial support for tracing KVM with Intel PT.
> 
> - Intel PT fixes for IPC
> 
> - Support Intel PT PSB (synchronization packets) events.
> 
> - Automatically group aux-output events to overcome --filter syntax.
> 
> - Enable PERF_SAMPLE_DATA_SRC on ARMs SPE.
> 
> - Update ARM's CoreSight hardware tracing OpenCSD library to v1.0.0.
> 
> perf annotate TUI:
> 
> - Fix handling of 'k' ("show line number") hotkey
> 
> - Fix jump parsing for C++ code.
> 
> perf probe:
> 
> - Add protection to avoid endless loop.
> 
> cgroups:
> 
> - Avoid reading cgroup mountpoint multiple times, caching it.
> 
> - Fix handling of cgroup v1/v2 in mixed hierarchy.
> 
> Symbol resolving:
> 
> - Add OCaml symbol demangling.
> 
> - Further fixes for handling PE executables when using perf with Wine and
> .exe/.dll files.
> 
> - Fix 'perf unwind' DSO handling.
> 
> - Resolve symbols against debug file first, to deal with artifacts related
> to LTO.
> 
> - Fix gap between kernel end and module start on powerpc.
> 
> Reporting tools:
> 
> - The DSO filter shouldn't show samples in unresolved maps.
> 
> - Improve debuginfod support in various tools.
> 
> build ids:
> 
> - Fix 16-byte build ids in 'perf buildid-cache', add a 'perf test' entry for
> that case.
> 
> perf test:
> 
> - Support for PERF_SAMPLE_WEIGHT_STRUCT.
> 
> - Add test case for PERF_SAMPLE_CODE_PAGE_SIZE.
> 
> - Shell based tests for 'perf daemon's commands ('start', 'stop, 'reconfig',
> 'list', etc).
> 
> - ARM cs-etm 'perf test' fixes.
> 
> - Add parse-metric memory bandwidth testcase.
> 
> Compiler related:
> 
> - Fix 'perf probe' kretprobe issue caused by gcc 11 bug when used with
> -fpatchable-function-entry.
> 
> - Fix ARM64 build with gcc 11's -Wformat-overflow.
> 
> - Fix unaligned access in sample parsing test.
> 
> - Fix printf conversion specifier for IP addresses on arm64, s390 and
> powerpc.
> 
> Arch specific:
> 
> - Support exposing Performance Monitor Counter SPRs as part of extended regs
> on powerpc.
> 
> - Add JSON 'perf stat' metrics for ARM64's imx8mp, imx8mq and imx8mn DDR,
> fix imx8mm ones.
> 
> - Fix common and uarch events for ARM64's A76 and Ampere eMag
> 
> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
> 
> ----------------------------------------------------------------
> Adrian Hunter (16):
>       perf intel-pt: Fix missing CYC processing in PSB
>       perf intel-pt: Fix premature IPC
>       perf intel-pt: Fix IPC with CYC threshold
>       perf intel-pt: Add PSB events
>       perf auxtrace: Automatically group aux-output events
>       perf script: Add branch types for VM-Entry and VM-Exit
>       perf intel_pt: Add vmlaunch and vmresume as branches
>       perf intel-pt: Retain the last PIP packet payload as is
>       perf intel-pt: Amend decoder to track the NR flag
>       perf machine: Factor out machines__find_guest()
>       perf machine: Factor out machine__idle_thread()
>       perf intel-pt: Support decoding of guest kernel
>       perf intel-pt: Allow for a guest kernel address filter
>       perf intel-pt: Adjust sample flags for VM-Exit
>       perf intel-pt: Split VM-Entry and VM-Exit branches
>       perf intel-pt: Add documentation for tracing virtual machines
> 
> Arnaldo Carvalho de Melo (9):
>       Merge remote-tracking branch 'torvalds/master' into perf/core
>       Merge remote-tracking branch 'torvalds/master' into perf/core
>       perf tools: Fix DSO filtering when not finding a map for a sampled
> address
>       Merge remote-tracking branch 'torvalds/master' into perf/core
>       perf powerpc: Fix printf conversion specifier for IP addresses
>       perf arm64/s390: Fix printf conversion specifier for IP addresses
>       tools headers UAPI: Sync linux/prctl.h with the kernel sources
>       Merge branch 'perf/urgent' into perf/core
>       Merge remote-tracking branch 'torvalds/master' into perf/core
> 
> Athira Rajeev (2):
>       perf powerpc: Fix gap between kernel end and module start
>       perf powerpc: Support exposing Performance Monitor Counter SPRs as
> part of extended regs
> 
> Dave Rigby (1):
>       perf unwind: Set userdata for all __report_module() paths
> 
> Dmitry Safonov (1):
>       perf symbols: Use (long) for iterator for bfd symbols
> 
> Fabian Hemmer (1):
>       perf tools: Add OCaml demangling
> 
> Hans-Peter Nilsson (1):
>       perf record: Tweak "Lowering..." warning in record_opts__config_freq
> 
> Ian Rogers (3):
>       perf trace-event-info: Rename for_each_event.
>       perf tools: Remove unused xyarray.c as it was moved to tools/lib/perf
>       perf env: Remove unneeded internal/cpumap inclusions
> 
> James Clark (1):
>       perf cs-etm: Update ARM's CoreSight hardware tracing OpenCSD library
> to v1.0.0
> 
> Jianlin Lv (3):
>       perf probe: Add protection to avoid endless loop
>       perf probe: Fix kretprobe issue caused by GCC bug
>       perf tools: Fix arm64 build error with gcc-11
> 
> Jiapeng Chong (1):
>       perf tools: Simplify the calculation of variables
> 
> Jin Yao (3):
>       perf script: Support DSO filter like in other perf tools
>       perf intlist: Change 'struct intlist' int member to 'unsigned long'
>       perf script: Support filtering by hex address
> 
> Jiri Olsa (44):
>       tools headers uapi: Sync tools/include/uapi/linux/perf_event.h
>       perf tools: Do not swap mmap2 fields in case it contains build id
>       perf tools: Store build id when available in PERF_RECORD_MMAP2
> metadata events
>       perf tools: Allow using PERF_RECORD_MMAP2 to synthesize the kernel map
>       perf tools: Allow using PERF_RECORD_MMAP2 to synthesize the kernel
> modules maps
>       perf tools: Allow synthesizing the build id for kernel/modules/tasks
> in PERF_RECORD_MMAP2
>       perf record: Add --buildid-mmap option to enable PERF_RECORD_MMAP2's
> build id
>       perf tools: Add support to display build ids when available in
> PERF_RECORD_MMAP2 events
>       perf buildid-cache: Add --debuginfod option to specify a server to
> fetch debug files
>       perf buildid-list: Add support for mmap2's buildid events
>       perf config: Make perf_config_from_file() static
>       perf config: Add config set interface
>       perf debug: Add debug_set_display_time function
>       perf config: Add perf_home_perfconfig function
>       perf config: Make perf_config_system() global
>       perf config: Make perf_config_global() global
>       perf tools: Allow to enable/disable events via control file
>       perf tools: Add 'evlist' control command
>       perf tools: Add 'stop' control command
>       perf tools: Add 'ping' control command
>       perf daemon: Add daemon command
>       perf daemon: Add config option
>       perf daemon: Add base option
>       perf daemon: Add server socket support
>       perf daemon: Add client socket support
>       perf daemon: Add config file support
>       perf daemon: Add config file change check
>       perf daemon: Add background support
>       perf daemon: Add signalfd support
>       perf daemon: Add 'list' command
>       perf daemon: Add 'signal' command
>       perf daemon: Add 'stop' command
>       perf daemon: Allow only one daemon over base directory
>       perf daemon: Set control fifo for session
>       perf daemon: Add 'ping' command
>       perf daemon: Use control to stop session
>       perf daemon: Add up time for daemon/session list
>       perf daemon: Add examples to man page
>       perf tests: Add daemon 'list' command test
>       perf tests: Add daemon reconfig test
>       perf tests: Add daemon 'stop' command test
>       perf tests: Add daemon 'signal' command test
>       perf tests: Add daemon 'ping' command test
>       perf tests: Add daemon 'lock' test
> 
> Jiri Slaby (1):
>       perf symbols: Resolve symbols against debug file first
> 
> Joakim Zhang (4):
>       perf vendor events arm64: Fix indentation of brackets in imx8mm
> metrics
>       perf vendor events arm64: Add JSON metrics for imx8mn DDR Perf
>       perf vendor events arm64: Add JSON metrics for imx8mq DDR Perf
>       perf vendor events arm64: Add JSON metrics for imx8mp DDR Perf
> 
> John Garry (5):
>       perf test: Add parse-metric memory bandwidth testcase
>       perf vendor events arm64: Fix Ampere eMag event typo
>       perf vendor events arm64: Add common and uarch event JSON
>       perf vendor events arm64: Reference common and uarch events for Ampere
> eMag
>       perf vendor events arm64: Reference common and uarch events for A76
> 
> Kan Liang (14):
>       perf mem: Clean up output format
>       perf mem: Support data page size
>       perf record: Add support for PERF_SAMPLE_CODE_PAGE_SIZE
>       perf stat: Add Topdown metrics events as default events
>       tools headers uapi: Update tools's copy of linux/perf_event.h
>       perf tools: Support the auxiliary event
>       perf tools: Support data block and addr block
>       perf c2c: Support data block and addr block
>       perf tools: Support PERF_SAMPLE_WEIGHT_STRUCT
>       perf report: Support instruction latency
>       perf test: Support PERF_SAMPLE_WEIGHT_STRUCT
>       perf stat: Support L2 Topdown events
>       perf tools: Update topdown documentation for Sapphire Rapids
>       perf tools: Support arch specific PERF_SAMPLE_WEIGHT_STRUCT processing
> 
> Kees Cook (1):
>       perf tools: Replace lkml.org links with lore
> 
> Leo Yan (16):
>       perf probe: Fixup Arm64 SDT arguments
>       perf arm64: Add argument support for SDT
>       perf c2c: Rename for shared cache line stats
>       perf c2c: Refactor hist entry validation
>       perf c2c: Refactor display filter
>       perf c2c: Fix argument type for percent()
>       perf c2c: Refactor node display
>       perf c2c: Add local variables for output metrics
>       perf arm-spe: Enable sample type PERF_SAMPLE_DATA_SRC
>       perf arm-spe: Store memory address in packet
>       perf arm-spe: Store operation type in packet
>       perf arm-spe: Fill address info for samples
>       perf arm-spe: Synthesize memory event
>       perf arm-spe: Set sample's data source field
>       perf test: Suppress logs in cs-etm testing
>       perf test: Output the sub testing result in cs-etm
> 
> Martin Liška (2):
>       perf annotate: Fix jump parsing for C++ code.
>       perf annotate: Do not jump after 'k' is pressed
> 
> Namhyung Kim (7):
>       perf tools: Use /proc/<PID>/task/<TID>/status for PERF_RECORD_ event
> synthesis
>       perf tools: Skip PERF_RECORD_MMAP event synthesis for kernel threads
>       perf tools: Use scandir() to iterate threads when synthesizing
> PERF_RECORD_ events
>       tools api fs: Prefer cgroup v1 path in cgroupfs_find_mountpoint()
>       tools api fs: Diet cgroupfs_find_mountpoint()
>       tools api fs: Cache cgroupfs mount point
>       perf test: Fix unaligned access in sample parsing test
> 
> Nicholas Fraser (5):
>       perf symbols: Make dso__load_bfd_symbols() load PE files from debug
> cache only
>       perf symbols: Fix return value when loading PE DSO
>       perf symbol: Remove redundant libbfd checks
>       perf buildid-cache: Add test for 16-byte build-id
>       perf buildid-cache: Don't skip 16-byte build-ids
> 
> Paul Cercueil (1):
>       perf stat: Use nftw() instead of ftw()
> 
> Song Liu (3):
>       bpftool: Add Makefile target bootstrap
>       perf build: Support build BPF skeletons with perf
>       perf stat: Enable counting events for BPF programs
> 
> Stephane Eranian (3):
>       perf script: Add support for PERF_SAMPLE_CODE_PAGE_SIZE
>       perf report: Add support for PERF_SAMPLE_CODE_PAGE_SIZE
>       perf test: Add test case for PERF_SAMPLE_CODE_PAGE_SIZE
> 
> Yang Jihong (1):
>       perf record: Fix continue profiling after draining the buffer
> 
> Yang Li (2):
>       perf script: Simplify bool conversion
>       perf metricgroup: Remove unneeded semicolon
> 
> Yonatan Goldschmidt (2):
>       perf namespaces: Add 'in_pidns' to nsinfo struct
>       perf inject jit: Add namespaces support
> 
>  tools/arch/powerpc/include/uapi/asm/perf_regs.h    |   28 +-
>  tools/bpf/bpftool/Makefile                         |    2 +
>  tools/build/Makefile.feature                       |    4 +-
>  tools/build/feature/test-libopencsd.c              |    4 +-
>  tools/include/uapi/linux/perf_event.h              |   96 +-
>  tools/include/uapi/linux/prctl.h                   |    3 +
>  tools/lib/api/fs/cgroup.c                          |   95 +-
>  tools/lib/perf/include/perf/event.h                |   18 +-
>  tools/perf/Build                                   |    1 +
>  tools/perf/Documentation/examples.txt              |    2 +-
>  tools/perf/Documentation/itrace.txt                |    2 +-
>  tools/perf/Documentation/perf-buildid-cache.txt    |    6 +
>  tools/perf/Documentation/perf-config.txt           |   24 +-
>  tools/perf/Documentation/perf-daemon.txt           |  208 +++
>  tools/perf/Documentation/perf-intel-pt.txt         |   89 +-
>  tools/perf/Documentation/perf-mem.txt              |    3 +
>  tools/perf/Documentation/perf-record.txt           |   21 +-
>  tools/perf/Documentation/perf-report.txt           |   10 +-
>  tools/perf/Documentation/perf-script.txt           |   25 +-
>  tools/perf/Documentation/perf-stat.txt             |   32 +-
>  tools/perf/Documentation/topdown.txt               |   78 +-
>  tools/perf/Makefile.config                         |    9 +
>  tools/perf/Makefile.perf                           |   49 +-
>  tools/perf/arch/arm/include/perf_regs.h            |    2 +-
>  tools/perf/arch/arm64/include/perf_regs.h          |    2 +-
>  tools/perf/arch/arm64/util/machine.c               |    3 +-
>  tools/perf/arch/arm64/util/perf_regs.c             |   94 ++
>  tools/perf/arch/csky/include/perf_regs.h           |    2 +-
>  tools/perf/arch/powerpc/include/perf_regs.h        |    8 +-
>  tools/perf/arch/powerpc/util/Build                 |    1 +
>  tools/perf/arch/powerpc/util/machine.c             |   25 +
>  tools/perf/arch/powerpc/util/perf_regs.c           |    6 +
>  tools/perf/arch/riscv/include/perf_regs.h          |    2 +-
>  tools/perf/arch/s390/include/perf_regs.h           |    2 +-
>  tools/perf/arch/s390/util/machine.c                |    3 +-
>  tools/perf/arch/x86/include/perf_regs.h            |    2 +-
>  tools/perf/arch/x86/tests/insn-x86.c               |    1 +
>  .../arch/x86/tests/intel-pt-pkt-decoder-test.c     |    4 +-
>  tools/perf/arch/x86/util/Build                     |    3 +
>  tools/perf/arch/x86/util/event.c                   |   25 +
>  tools/perf/arch/x86/util/evlist.c                  |   15 +
>  tools/perf/arch/x86/util/evsel.c                   |    8 +
>  tools/perf/arch/x86/util/mem-events.c              |   44 +
>  tools/perf/bench/epoll-ctl.c                       |    1 -
>  tools/perf/bench/epoll-wait.c                      |    1 -
>  tools/perf/bench/futex-hash.c                      |    1 -
>  tools/perf/bench/futex-lock-pi.c                   |    1 -
>  tools/perf/bench/futex-requeue.c                   |    1 -
>  tools/perf/bench/futex-wake-parallel.c             |    1 -
>  tools/perf/bench/futex-wake.c                      |    1 -
>  tools/perf/builtin-buildid-cache.c                 |   28 +-
>  tools/perf/builtin-buildid-list.c                  |    3 +
>  tools/perf/builtin-c2c.c                           |  171 ++-
>  tools/perf/builtin-daemon.c                        | 1521
> ++++++++++++++++++++
>  tools/perf/builtin-inject.c                        |    4 +-
>  tools/perf/builtin-mem.c                           |  113 +-
>  tools/perf/builtin-record.c                        |   39 +-
>  tools/perf/builtin-script.c                        |   37 +-
>  tools/perf/builtin-stat.c                          |  124 +-
>  tools/perf/builtin.h                               |    1 +
>  tools/perf/command-list.txt                        |    1 +
>  tools/perf/perf.c                                  |    1 +
>  .../pmu-events/arch/arm64/ampere/emag/branch.json  |    8 +-
>  .../pmu-events/arch/arm64/ampere/emag/bus.json     |    5 +-
>  .../pmu-events/arch/arm64/ampere/emag/cache.json   |   58 +-
>  .../pmu-events/arch/arm64/ampere/emag/clock.json   |    4 +-
>  .../arch/arm64/ampere/emag/exception.json          |   10 +-
>  .../arch/arm64/ampere/emag/instruction.json        |   34 +-
>  .../pmu-events/arch/arm64/ampere/emag/memory.json  |   11 +-
>  .../arch/arm64/arm/cortex-a76-n1/branch.json       |   12 +-
>  .../arch/arm64/arm/cortex-a76-n1/bus.json          |   19 +-
>  .../arch/arm64/arm/cortex-a76-n1/cache.json        |  118 +-
>  .../arch/arm64/arm/cortex-a76-n1/exception.json    |   10 +-
>  .../arch/arm64/arm/cortex-a76-n1/instruction.json  |   45 +-
>  .../arch/arm64/arm/cortex-a76-n1/memory.json       |    6 +-
>  .../arch/arm64/arm/cortex-a76-n1/other.json        |    4 +-
>  .../arch/arm64/arm/cortex-a76-n1/pipeline.json     |   12 +-
>  .../arch/arm64/armv8-common-and-microarch.json     |  248 ++++
>  .../arch/arm64/freescale/imx8mm/sys/metrics.json   |    4 +-
>  .../arch/arm64/freescale/imx8mn/sys/ddrc.json      |   37 +
>  .../arch/arm64/freescale/imx8mn/sys/metrics.json   |   18 +
>  .../arch/arm64/freescale/imx8mp/sys/ddrc.json      |   37 +
>  .../arch/arm64/freescale/imx8mp/sys/metrics.json   |  466 ++++++
>  .../arch/arm64/freescale/imx8mq/sys/ddrc.json      |   37 +
>  .../arch/arm64/freescale/imx8mq/sys/metrics.json   |   18 +
>  tools/perf/tests/Build                             |    1 +
>  tools/perf/tests/builtin-test.c                    |    4 +
>  tools/perf/tests/code-reading.c                    |   10 +-
>  tools/perf/tests/demangle-ocaml-test.c             |   43 +
>  tools/perf/tests/openat-syscall-all-cpus.c         |    1 -
>  tools/perf/tests/parse-metric.c                    |   24 +
>  tools/perf/tests/sample-parsing.c                  |   20 +-
>  tools/perf/tests/shell/buildid.sh                  |    6 +
>  tools/perf/tests/shell/daemon.sh                   |  475 ++++++
>  tools/perf/tests/shell/test_arm_coresight.sh       |   45 +-
>  tools/perf/tests/tests.h                           |    1 +
>  tools/perf/ui/browsers/annotate.c                  |    2 +-
>  tools/perf/util/Build                              |    2 +
>  tools/perf/util/annotate.c                         |    8 +
>  tools/perf/util/annotate.h                         |    1 +
>  tools/perf/util/arm-spe-decoder/arm-spe-decoder.c  |   10 +
>  tools/perf/util/arm-spe-decoder/arm-spe-decoder.h  |    8 +
>  tools/perf/util/arm-spe.c                          |  133 +-
>  tools/perf/util/auxtrace.c                         |   15 +
>  tools/perf/util/auxtrace.h                         |    6 +
>  tools/perf/util/bpf_counter.c                      |  314 ++++
>  tools/perf/util/bpf_counter.h                      |   72 +
>  tools/perf/util/bpf_skel/.gitignore                |    3 +
>  tools/perf/util/bpf_skel/bpf_prog_profiler.bpf.c   |   93 ++
>  tools/perf/util/build-id.c                         |    5 +-
>  tools/perf/util/build-id.h                         |    4 +-
>  tools/perf/util/cgroup.c                           |    8 +-
>  tools/perf/util/config.c                           |  123 +-
>  tools/perf/util/config.h                           |    7 +-
>  tools/perf/util/cs-etm-decoder/cs-etm-decoder.c    |   15 +-
>  tools/perf/util/data-convert-bt.c                  |    2 +-
>  tools/perf/util/db-export.c                        |    2 +
>  tools/perf/util/debug.c                            |   34 +-
>  tools/perf/util/debug.h                            |    1 +
>  tools/perf/util/demangle-ocaml.c                   |   80 +
>  tools/perf/util/demangle-ocaml.h                   |    7 +
>  tools/perf/util/event.c                            |   67 +-
>  tools/perf/util/event.h                            |   18 +-
>  tools/perf/util/evlist.c                           |  125 +-
>  tools/perf/util/evlist.h                           |   12 +
>  tools/perf/util/evsel.c                            |   63 +-
>  tools/perf/util/evsel.h                            |    9 +
>  tools/perf/util/evsel_fprintf.c                    |    2 +
>  tools/perf/util/header.c                           |    2 +-
>  tools/perf/util/hist.c                             |   15 +-
>  tools/perf/util/hist.h                             |    4 +
>  .../perf/util/intel-pt-decoder/intel-pt-decoder.c  |  334 ++++-
>  .../perf/util/intel-pt-decoder/intel-pt-decoder.h  |    7 +-
>  .../util/intel-pt-decoder/intel-pt-insn-decoder.c  |   15 +
>  .../util/intel-pt-decoder/intel-pt-insn-decoder.h  |    1 +
>  .../util/intel-pt-decoder/intel-pt-pkt-decoder.c   |   12 +-
>  .../util/intel-pt-decoder/intel-pt-pkt-decoder.h   |    2 +
>  tools/perf/util/intel-pt.c                         |  214 ++-
>  tools/perf/util/intlist.c                          |   27 +-
>  tools/perf/util/intlist.h                          |   10 +-
>  tools/perf/util/jit.h                              |    2 +-
>  tools/perf/util/jitdump.c                          |   84 +-
>  tools/perf/util/machine.c                          |   51 +-
>  tools/perf/util/machine.h                          |    2 +
>  tools/perf/util/map.c                              |    8 +-
>  tools/perf/util/map.h                              |    3 +-
>  tools/perf/util/mem-events.c                       |   36 +
>  tools/perf/util/mem-events.h                       |    5 +
>  tools/perf/util/metricgroup.c                      |    2 +-
>  tools/perf/util/namespaces.c                       |   23 +-
>  tools/perf/util/namespaces.h                       |    3 +
>  tools/perf/util/parse-events.l                     |    1 +
>  tools/perf/util/perf_api_probe.c                   |   10 +
>  tools/perf/util/perf_api_probe.h                   |    1 +
>  tools/perf/util/perf_event_attr_fprintf.c          |    5 +-
>  tools/perf/util/perf_regs.h                        |    7 +
>  tools/perf/util/probe-event.c                      |   12 +-
>  tools/perf/util/probe-file.c                       |   38 +-
>  tools/perf/util/probe-finder.c                     |    8 +-
>  tools/perf/util/python-ext-sources                 |    1 +
>  tools/perf/util/python.c                           |   21 +
>  tools/perf/util/record.c                           |    9 +-
>  tools/perf/util/record.h                           |    2 +
>  tools/perf/util/session.c                          |   54 +-
>  tools/perf/util/setup.py                           |    2 +-
>  tools/perf/util/sort.c                             |  109 +-
>  tools/perf/util/sort.h                             |    6 +
>  tools/perf/util/stat-display.c                     |    4 +-
>  tools/perf/util/stat-shadow.c                      |   92 ++
>  tools/perf/util/stat.c                             |    6 +-
>  tools/perf/util/stat.h                             |    9 +
>  tools/perf/util/string.c                           |    9 +
>  tools/perf/util/string2.h                          |    2 +
>  tools/perf/util/symbol-elf.c                       |   25 +-
>  tools/perf/util/symbol.c                           |   73 +-
>  tools/perf/util/symbol_conf.h                      |    7 +-
>  tools/perf/util/synthetic-events.c                 |  225 ++-
>  tools/perf/util/target.c                           |   34 +-
>  tools/perf/util/target.h                           |   10 +
>  tools/perf/util/trace-event-info.c                 |   10 +-
>  tools/perf/util/unwind-libdw.c                     |   11 +-
>  tools/perf/util/xyarray.c                          |   33 -
>  tools/scripts/Makefile.include                     |    1 +
>  183 files changed, 6938 insertions(+), 974 deletions(-)
>  create mode 100644 tools/perf/Documentation/perf-daemon.txt
>  create mode 100644 tools/perf/arch/powerpc/util/machine.c
>  create mode 100644 tools/perf/arch/x86/util/evlist.c
>  create mode 100644 tools/perf/arch/x86/util/evsel.c
>  create mode 100644 tools/perf/arch/x86/util/mem-events.c
>  create mode 100644 tools/perf/builtin-daemon.c
>  create mode 100644
> tools/perf/pmu-events/arch/arm64/armv8-common-and-microarch.json
>  create mode 100644
> tools/perf/pmu-events/arch/arm64/freescale/imx8mn/sys/ddrc.json
>  create mode 100644
> tools/perf/pmu-events/arch/arm64/freescale/imx8mn/sys/metrics.json
>  create mode 100644
> tools/perf/pmu-events/arch/arm64/freescale/imx8mp/sys/ddrc.json
>  create mode 100644
> tools/perf/pmu-events/arch/arm64/freescale/imx8mp/sys/metrics.json
>  create mode 100644
> tools/perf/pmu-events/arch/arm64/freescale/imx8mq/sys/ddrc.json
>  create mode 100644
> tools/perf/pmu-events/arch/arm64/freescale/imx8mq/sys/metrics.json
>  create mode 100644 tools/perf/tests/demangle-ocaml-test.c
>  create mode 100755 tools/perf/tests/shell/daemon.sh
>  create mode 100644 tools/perf/util/bpf_counter.c
>  create mode 100644 tools/perf/util/bpf_counter.h
>  create mode 100644 tools/perf/util/bpf_skel/.gitignore
>  create mode 100644 tools/perf/util/bpf_skel/bpf_prog_profiler.bpf.c
>  create mode 100644 tools/perf/util/demangle-ocaml.c
>  create mode 100644 tools/perf/util/demangle-ocaml.h
>  delete mode 100644 tools/perf/util/xyarray.c
> 
> Test results:
> 
> The first ones are container based builds of tools/perf with and without
> libelf
> support.  Where clang is available, it is also used to build perf
> with/without
> libelf, and building with LIBCLANGLLVM=1 (built-in clang) with gcc and clang
> when clang and its devel libraries are installed.
> 
> The objtool and samples/bpf/ builds are disabled now that I'm switching from
> using the sources in a local volume to fetching them from a http server to
> build it inside the container, to make it easier to build in a container
> cluster.
> Those will come back later.
> 
> Several are cross builds, the ones with -x-ARCH and the android one, and
> those
> may not have all the features built, due to lack of multi-arch devel
> packages,
> available and being used so far on just a few, like
> debian:experimental-x-{arm64,mipsel}.
> 
> The 'perf test' one will perform a variety of tests exercising
> tools/perf/util/, tools/lib/{bpf,traceevent,etc}, as well as run perf
> commands
> with a variety of command line event specifications to then intercept the
> sys_perf_event syscall to check that the perf_event_attr fields are set up
> as
> expected, among a variety of other unit tests.
> 
> Then there is the 'make -C tools/perf build-test' ones, that build
> tools/perf/
> with a variety of feature sets, exercising the build with an incomplete set
> of
> features as well as with a complete one. It is planned to have it run on
> each
> of the containers mentioned above, using some container orchestration
> infrastructure. Get in contact if interested in helping having this in
> place.
> 
>   $ grep "model name" -m1 /proc/cpuinfo
>   model name: AMD Ryzen 9 3900X 12-Core Processor
>   # export PERF_TARBALL=http://192.168.86.5/perf/perf-5.11.0.tar.xz
>   # dm
>    1    73.63 alpine:3.4                    : Ok   gcc (Alpine 5.3.0) 5.3.0
> , clang version 3.8.0 (tags/RELEASE_380/final)
>    2    73.59 alpine:3.5                    : Ok   gcc (Alpine 6.2.1) 6.2.1
> 20160822 , clang version 3.8.1 (tags/RELEASE_381/final)
>    3    77.58 alpine:3.6                    : Ok   gcc (Alpine 6.3.0) 6.3.0
> , clang version 4.0.0 (tags/RELEASE_400/final)
>    4    83.69 alpine:3.7                    : Ok   gcc (Alpine 6.4.0) 6.4.0
> , Alpine clang version 5.0.0 (tags/RELEASE_500/final) (based on LLVM 5.0.0)
>    5    86.68 alpine:3.8                    : Ok   gcc (Alpine 6.4.0) 6.4.0
> , Alpine clang version 5.0.1 (tags/RELEASE_501/final) (based on LLVM 5.0.1)
>    6    90.15 alpine:3.9                    : Ok   gcc (Alpine 8.3.0) 8.3.0
> , Alpine clang version 5.0.1 (tags/RELEASE_502/final) (based on LLVM 5.0.1)
>    7   110.53 alpine:3.10                   : Ok   gcc (Alpine 8.3.0) 8.3.0
> , Alpine clang version 8.0.0 (tags/RELEASE_800/final) (based on LLVM 8.0.0)
>    8   121.67 alpine:3.11                   : Ok   gcc (Alpine 9.3.0) 9.3.0
> , Alpine clang version 9.0.0 (https://git.alpinelinux.org/aports
> f7f0d2c2b8bcd6a5843401a9a702029556492689) (based on LLVM 9.0.0)
>    9   115.84 alpine:3.12                   : Ok   gcc (Alpine 9.3.0) 9.3.0
> , Alpine clang version 10.0.0
> (https://gitlab.alpinelinux.org/alpine/aports.git
> 7445adce501f8473efdb93b17b5eaf2f1445ed4c)
>   10   121.27 alpine:3.13                   : Ok   gcc (Alpine 10.2.1_pre1)
> 10.2.1 20201203 , Alpine clang version 10.0.1
>   11   122.67 alpine:edge                   : Ok   gcc (Alpine 10.2.1_pre1)
> 10.2.1 20201203 , Alpine clang version 10.0.1
>   12    71.67 alt:p8                        : Ok   x86_64-alt-linux-gcc
> (GCC) 5.3.1 20151207 (ALT p8 5.3.1-alt3.M80P.1) , clang version 3.8.0
> (tags/RELEASE_380/final)
>   13    86.70 alt:p9                        : Ok   x86_64-alt-linux-gcc
> (GCC) 8.4.1 20200305 (ALT p9 8.4.1-alt0.p9.1) , clang version 10.0.0
>   14    86.06 alt:sisyphus                  : Ok   x86_64-alt-linux-gcc
> (GCC) 10.2.1 20201125 (ALT Sisyphus 10.2.1-alt2) , clang version 10.0.1
>   15    68.45 amazonlinux:1                 : Ok   gcc (GCC) 7.2.1 20170915
> (Red Hat 7.2.1-2) , clang version 3.6.2 (tags/RELEASE_362/final)
>   16   102.83 amazonlinux:2                 : Ok   gcc (GCC) 7.3.1 20180712
> (Red Hat 7.3.1-12) , clang version 7.0.1 (Amazon Linux 2 7.0.1-1.amzn2.0.2)
>   17    22.29 android-ndk:r12b-arm          : Ok arm-linux-androideabi-gcc
> (GCC) 4.9.x 20150123 (prerelease)
>   18    22.54 android-ndk:r15c-arm          : Ok arm-linux-androideabi-gcc
> (GCC) 4.9.x 20150123 (prerelease)
>   19    27.98 centos:6                      : Ok   gcc (GCC) 4.4.7 20120313
> (Red Hat 4.4.7-23)
>   20    33.10 centos:7                      : Ok   gcc (GCC) 4.8.5 20150623
> (Red Hat 4.8.5-44)
>   21   100.60 centos:8                      : Ok   gcc (GCC) 8.3.1 20191121
> (Red Hat 8.3.1-5) , clang version 10.0.1 (Red Hat
> 10.0.1-1.module_el8.3.0+467+cb298d5b)
>   22    67.18 clearlinux:latest             : Ok   gcc (Clear Linux OS for
> Intel Architecture) 10.2.1 20201217 releases/gcc-10.2.0-643-g7cbb07d2fc ,
> clang version 10.0.1
>   23    79.83 debian:8                      : Ok   gcc (Debian
> 4.9.2-10+deb8u2) 4.9.2 , Debian clang version 3.5.0-10
> (tags/RELEASE_350/final) (based on LLVM 3.5.0)
>   24    84.31 debian:9                      : Ok   gcc (Debian
> 6.3.0-18+deb9u1) 6.3.0 20170516 , clang version 3.8.1-24
> (tags/RELEASE_381/final)
>   25    79.70 debian:10                     : Ok   gcc (Debian 8.3.0-6)
> 8.3.0 , clang version 7.0.1-8+deb10u2 (tags/RELEASE_701/final)
>   26    79.22 debian:experimental           : Ok   gcc (Debian 10.2.1-6)
> 10.2.1 20210110 , Debian clang version 11.0.1-2
>   27    34.14 debian:experimental-x-arm64   : Ok aarch64-linux-gnu-gcc
> (Debian 10.2.1-6) 10.2.1 20210110
>   28    30.51 debian:experimental-x-mips64  : Ok mips64-linux-gnuabi64-gcc
> (Debian 10.2.1-3) 10.2.1 20201224
>   29    13.77 debian:experimental-x-mipsel  : FAIL gcc version 10.2.1
> 20201224 (Debian 10.2.1-3)
>     util/map.c: In function 'map__new':
>     util/map.c:109:5: error: '%s' directive output may be truncated writing
> between 1 and 2147483645 bytes into a region of size 4096
> [-Werror=format-truncation=]
>       109 |    "%s/platforms/%s/arch-%s/usr/lib/%s",
>           |     ^~
>     In file included from /usr/mipsel-linux-gnu/include/stdio.h:867,
>                      from util/symbol.h:11,
>                      from util/map.c:2:
>     /usr/mipsel-linux-gnu/include/bits/stdio2.h:67:10: note:
> '__builtin___snprintf_chk' output 32 or more bytes (assuming 4294967321)
> into a destination of size 4096
>        67 |   return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL
> - 1,
>           | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>        68 |        __bos (__s), __fmt, __va_arg_pack ());
>           |        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>     cc1: all warnings being treated as errors
>   30    31.97 fedora:20                     : Ok   gcc (GCC) 4.8.3 20140911
> (Red Hat 4.8.3-7)
>   31    31.53 fedora:22                     : Ok   gcc (GCC) 5.3.1 20160406
> (Red Hat 5.3.1-6) , clang version 3.5.0 (tags/RELEASE_350/final)
>   32    72.76 fedora:23                     : Ok   gcc (GCC) 5.3.1 20160406
> (Red Hat 5.3.1-6) , clang version 3.7.0 (tags/RELEASE_370/final)
>   33    85.16 fedora:24                     : Ok   gcc (GCC) 6.3.1 20161221
> (Red Hat 6.3.1-1) , clang version 3.8.1 (tags/RELEASE_381/final)
>   34    25.99 fedora:24-x-ARC-uClibc        : Ok   arc-linux-gcc (ARCompact
> ISA Linux uClibc toolchain 2017.09-rc2) 7.1.1 20170710
>   35    87.96 fedora:25                     : Ok   gcc (GCC) 6.4.1 20170727
> (Red Hat 6.4.1-1) , clang version 3.9.1 (tags/RELEASE_391/final)
>   36    98.33 fedora:26                     : Ok   gcc (GCC) 7.3.1 20180130
> (Red Hat 7.3.1-2) , clang version 4.0.1 (tags/RELEASE_401/final)
>   37    98.51 fedora:27                     : Ok   gcc (GCC) 7.3.1 20180712
> (Red Hat 7.3.1-6) , clang version 5.0.2 (tags/RELEASE_502/final)
>   38   110.63 fedora:28                     : Ok   gcc (GCC) 8.3.1 20190223
> (Red Hat 8.3.1-2) , clang version 6.0.1 (tags/RELEASE_601/final)
>   39   115.91 fedora:29                     : Ok   gcc (GCC) 8.3.1 20190223
> (Red Hat 8.3.1-2) , clang version 7.0.1 (Fedora 7.0.1-6.fc29)
>   40   119.29 fedora:30                     : Ok   gcc (GCC) 9.3.1 20200408
> (Red Hat 9.3.1-2) , clang version 8.0.0 (Fedora 8.0.0-3.fc30)
>   41    25.64 fedora:30-x-ARC-uClibc        : Ok   arc-linux-gcc (ARCv2 ISA
> Linux uClibc toolchain 2019.03-rc1) 8.3.1 20190225
>   42   122.83 fedora:31                     : Ok   gcc (GCC) 9.3.1 20200408
> (Red Hat 9.3.1-2) , clang version 9.0.1 (Fedora 9.0.1-4.fc31)
>   43   100.53 fedora:32                     : Ok   gcc (GCC) 10.2.1 20201125
> (Red Hat 10.2.1-9) , clang version 10.0.1 (Fedora 10.0.1-3.fc32)
>   44    99.71 fedora:33                     : Ok   gcc (GCC) 10.2.1 20201125
> (Red Hat 10.2.1-9) , clang version 11.0.0 (Fedora 11.0.0-2.fc33)
>   45   103.42 fedora:34                     : Ok   gcc (GCC) 11.0.0 20210210
> (Red Hat 11.0.0-0) , clang version 11.1.0 (Fedora 11.1.0-0.4.rc2.fc34)
>   46   103.92 fedora:rawhide                : Ok   gcc (GCC) 11.0.0 20210210
> (Red Hat 11.0.0-0) , clang version 11.1.0 (Fedora 11.1.0-0.4.rc2.fc34)
>   47    36.54 gentoo-stage3-amd64:latest    : Ok   gcc (Gentoo 9.3.0-r1 p3)
> 9.3.0
>   48    72.08 mageia:5                      : Ok   gcc (GCC) 4.9.2 , clang
> version 3.5.2 (tags/RELEASE_352/final)
>   49    88.91 mageia:6                      : Ok   gcc (Mageia 5.5.0-1.mga6)
> 5.5.0 , clang version 3.9.1 (tags/RELEASE_391/final)
>   50   105.01 manjaro:latest                : Ok   gcc (GCC) 10.2.0 , clang
> version 10.0.1
>   51   229.77 openmandriva:cooker           : Ok   gcc (GCC) 10.2.0 20200723
> (OpenMandriva) , OpenMandriva 11.0.0-1 clang version 11.0.0
> (/builddir/build/BUILD/llvm-project-llvmorg-11.0.0/clang
> 63e22714ac938c6b537bd958f70680d3331a2030)
>   52   122.13 opensuse:15.0                 : Ok   gcc (SUSE Linux) 7.4.1
> 20190905 [gcc-7-branch revision 275407] , clang version 5.0.1
> (tags/RELEASE_501/final 312548)
>   53   130.80 opensuse:15.1                 : Ok   gcc (SUSE Linux) 7.5.0 ,
> clang version 7.0.1 (tags/RELEASE_701/final 349238)
>   54   120.16 opensuse:15.2                 : Ok   gcc (SUSE Linux) 7.5.0 ,
> clang version 9.0.1
>   55   133.31 opensuse:15.3                 : Ok   gcc (SUSE Linux) 7.5.0 ,
> clang version 7.0.1 (tags/RELEASE_701/final 349238)
>   56   117.89 opensuse:42.3                 : Ok   gcc (SUSE Linux) 4.8.5 ,
> clang version 3.8.0 (tags/RELEASE_380/final 262553)
>   57   113.02 opensuse:tumbleweed           : Ok   gcc (SUSE Linux) 10.2.1
> 20200825 [revision c0746a1beb1ba073c7981eb09f55b3d993b32e5c] , clang version
> 10.0.1
>   58    29.08 oraclelinux:6                 : Ok   gcc (GCC) 4.4.7 20120313
> (Red Hat 4.4.7-23.0.1)
>   59    33.18 oraclelinux:7                 : Ok   gcc (GCC) 4.8.5 20150623
> (Red Hat 4.8.5-44.0.3)
>   60    98.44 oraclelinux:8                 : Ok   gcc (GCC) 8.3.1 20191121
> (Red Hat 8.3.1-5.0.1) , clang version 10.0.1 (Red Hat
> 10.0.1-1.0.1.module+el8.3.0+7827+89335dbf)
>   61    29.46 ubuntu:12.04                  : Ok   gcc (Ubuntu/Linaro
> 4.6.3-1ubuntu5) 4.6.3 , Ubuntu clang version 3.0-6ubuntu3
> (tags/RELEASE_30/final) (based on LLVM 3.0)
>   62    32.20 ubuntu:14.04                  : Ok   gcc (Ubuntu
> 4.8.4-2ubuntu1~14.04.4) 4.8.4
>   63    82.96 ubuntu:16.04                  : Ok   gcc (Ubuntu
> 5.4.0-6ubuntu1~16.04.12) 5.4.0 20160609 , clang version 3.8.0-2ubuntu4
> (tags/RELEASE_380/final)
>   64    27.29 ubuntu:16.04-x-arm            : Ok arm-linux-gnueabihf-gcc
> (Ubuntu/Linaro 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
>   65    27.78 ubuntu:16.04-x-arm64          : Ok aarch64-linux-gnu-gcc
> (Ubuntu/Linaro 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
>   66    26.32 ubuntu:16.04-x-powerpc        : Ok powerpc-linux-gnu-gcc
> (Ubuntu 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
>   67    26.45 ubuntu:16.04-x-powerpc64      : Ok powerpc64-linux-gnu-gcc
> (Ubuntu/IBM 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
>   68    27.18 ubuntu:16.04-x-powerpc64el    : Ok powerpc64le-linux-gnu-gcc
> (Ubuntu/IBM 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
>   69    26.76 ubuntu:16.04-x-s390           : Ok   s390x-linux-gnu-gcc
> (Ubuntu 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
>   70    92.98 ubuntu:18.04                  : Ok   gcc (Ubuntu
> 7.5.0-3ubuntu1~18.04) 7.5.0 , clang version 6.0.0-1ubuntu2
> (tags/RELEASE_600/final)
>   71    29.00 ubuntu:18.04-x-arm            : Ok arm-linux-gnueabihf-gcc
> (Ubuntu/Linaro 7.5.0-3ubuntu1~18.04) 7.5.0
>   72    28.70 ubuntu:18.04-x-arm64          : Ok aarch64-linux-gnu-gcc
> (Ubuntu/Linaro 7.5.0-3ubuntu1~18.04) 7.5.0
>   73    24.05 ubuntu:18.04-x-m68k           : Ok   m68k-linux-gnu-gcc
> (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
>   74    27.77 ubuntu:18.04-x-powerpc        : Ok powerpc-linux-gnu-gcc
> (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
>   75    30.24 ubuntu:18.04-x-powerpc64      : Ok powerpc64-linux-gnu-gcc
> (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
>   76    30.59 ubuntu:18.04-x-powerpc64el    : Ok powerpc64le-linux-gnu-gcc
> (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
>   77   168.17 ubuntu:18.04-x-riscv64        : Ok riscv64-linux-gnu-gcc
> (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
>   78    26.74 ubuntu:18.04-x-s390           : Ok   s390x-linux-gnu-gcc
> (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
>   79    28.08 ubuntu:18.04-x-sh4            : Ok   sh4-linux-gnu-gcc (Ubuntu
> 7.5.0-3ubuntu1~18.04) 7.5.0
>   80    27.81 ubuntu:18.04-x-sparc64        : Ok sparc64-linux-gnu-gcc
> (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
>   81    76.84 ubuntu:19.10                  : Ok   gcc (Ubuntu
> 9.2.1-9ubuntu2) 9.2.1 20191008 , clang version 8.0.1-3build1
> (tags/RELEASE_801/final)
>   82    27.96 ubuntu:19.10-x-alpha          : Ok   alpha-linux-gnu-gcc
> (Ubuntu 9.2.1-9ubuntu1) 9.2.1 20191008
>   83    25.33 ubuntu:19.10-x-hppa           : Ok   hppa-linux-gnu-gcc
> (Ubuntu 9.2.1-9ubuntu1) 9.2.1 20191008
>   84    78.19 ubuntu:20.04                  : Ok   gcc (Ubuntu
> 9.3.0-17ubuntu1~20.04) 9.3.0 , clang version 10.0.0-4ubuntu1
>   85    31.78 ubuntu:20.04-x-powerpc64el    : Ok powerpc64le-linux-gnu-gcc
> (Ubuntu 10.2.0-5ubuntu1~20.04) 10.2.0
>   86    79.86 ubuntu:20.10                  : Ok   gcc (Ubuntu
> 10.2.0-13ubuntu1) 10.2.0 , Ubuntu clang version 11.0.0-2
>   87    77.41 ubuntu:21.04                  : Ok   gcc (Ubuntu
> 10.2.1-6ubuntu1) 10.2.1 20210110 , Ubuntu clang version 11.0.1-2
>   $
> 
>   # uname -a
>   Linux quaco 5.10.7-100.fc32.x86_64 #1 SMP Tue Jan 12 20:25:28 UTC 2021
> x86_64 x86_64 x86_64 GNU/Linux
>   # git log --oneline -1
>   3027ce36ccba perf buildid-cache: Don't skip 16-byte build-ids
>   # perf version --build-options
>   perf version 5.11.g3027ce36ccba
>                    dwarf: [ on  ]  # HAVE_DWARF_SUPPORT
>       dwarf_getlocations: [ on  ]  # HAVE_DWARF_GETLOCATIONS_SUPPORT
>                    glibc: [ on  ]  # HAVE_GLIBC_SUPPORT
>            syscall_table: [ on  ]  # HAVE_SYSCALL_TABLE_SUPPORT
>                   libbfd: [ on  ]  # HAVE_LIBBFD_SUPPORT
>                   libelf: [ on  ]  # HAVE_LIBELF_SUPPORT
>                  libnuma: [ on  ]  # HAVE_LIBNUMA_SUPPORT
>   numa_num_possible_cpus: [ on  ]  # HAVE_LIBNUMA_SUPPORT
>                  libperl: [ on  ]  # HAVE_LIBPERL_SUPPORT
>                libpython: [ on  ]  # HAVE_LIBPYTHON_SUPPORT
>                 libslang: [ on  ]  # HAVE_SLANG_SUPPORT
>                libcrypto: [ on  ]  # HAVE_LIBCRYPTO_SUPPORT
>                libunwind: [ on  ]  # HAVE_LIBUNWIND_SUPPORT
>       libdw-dwarf-unwind: [ on  ]  # HAVE_DWARF_SUPPORT
>                     zlib: [ on  ]  # HAVE_ZLIB_SUPPORT
>                     lzma: [ on  ]  # HAVE_LZMA_SUPPORT
>                get_cpuid: [ on  ]  # HAVE_AUXTRACE_SUPPORT
>                      bpf: [ on  ]  # HAVE_LIBBPF_SUPPORT
>                      aio: [ on  ]  # HAVE_AIO_SUPPORT
>                     zstd: [ on  ]  # HAVE_ZSTD_SUPPORT
>                  libpfm4: [ OFF ]  # HAVE_LIBPFM
>   # perf test
>    1: vmlinux symtab matches kallsyms                                 : Ok
>    2: Detect openat syscall event                                     : Ok
>    3: Detect openat syscall event on all cpus                         : Ok
>    4: Read samples using the mmap interface                           : Ok
>    5: Test data source output                                         : Ok
>    6: Parse event definition strings                                  : Ok
>    7: Simple expression parser                                        : Ok
>    8: PERF_RECORD_* events & perf_sample fields                       : Ok
>    9: Parse perf pmu format                                           : Ok
>   10: PMU events                                                      :
>   10.1: PMU event table sanity                                        : Ok
>   10.2: PMU event map aliases                                         : Ok
>   10.3: Parsing of PMU event table metrics                            : Ok
>   10.4: Parsing of PMU event table metrics with fake PMUs             : Ok
>   11: DSO data read                                                   : Ok
>   12: DSO data cache                                                  : Ok
>   13: DSO data reopen                                                 : Ok
>   14: Roundtrip evsel->name                                           : Ok
>   15: Parse sched tracepoints fields                                  : Ok
>   16: syscalls:sys_enter_openat event fields                          : Ok
>   17: Setup struct perf_event_attr                                    : Ok
>   18: Match and link multiple hists                                   : Ok
>   19: 'import perf' in python                                         : Ok
>   20: Breakpoint overflow signal handler                              : Ok
>   21: Breakpoint overflow sampling                                    : Ok
>   22: Breakpoint accounting                                           : Ok
>   23: Watchpoint                                                      :
>   23.1: Read Only Watchpoint                                          : Skip
> (missing hardware support)
>   23.2: Write Only Watchpoint                                         : Ok
>   23.3: Read / Write Watchpoint                                       : Ok
>   23.4: Modify Watchpoint                                             : Ok
>   24: Number of exit events of a simple workload                      : Ok
>   25: Software clock events period values                             : Ok
>   26: Object code reading                                             : Ok
>   27: Sample parsing                                                  : Ok
>   28: Use a dummy software event to keep tracking                     : Ok
>   29: Parse with no sample_id_all bit set                             : Ok
>   30: Filter hist entries                                             : Ok
>   31: Lookup mmap thread                                              : Ok
>   32: Share thread maps                                               : Ok
>   33: Sort output of hist entries                                     : Ok
>   34: Cumulate child hist entries                                     : Ok
>   35: Track with sched_switch                                         : Ok
>   36: Filter fds with revents mask in a fdarray                       : Ok
>   37: Add fd to a fdarray, making it autogrow                         : Ok
>   38: kmod_path__parse                                                : Ok
>   39: Thread map                                                      : Ok
>   40: LLVM search and compile                                         :
>   40.1: Basic BPF llvm compile                                        : Ok
>   40.2: kbuild searching                                              : Ok
>   40.3: Compile source for BPF prologue generation                    : Ok
>   40.4: Compile source for BPF relocation                             : Ok
>   41: Session topology                                                : Ok
>   42: BPF filter                                                      :
>   42.1: Basic BPF filtering                                           : Ok
>   42.2: BPF pinning                                                   : Ok
>   42.3: BPF prologue generation                                       : Ok
>   42.4: BPF relocation checker                                        : Ok
>   43: Synthesize thread map                                           : Ok
>   44: Remove thread map                                               : Ok
>   45: Synthesize cpu map                                              : Ok
>   46: Synthesize stat config                                          : Ok
>   47: Synthesize stat                                                 : Ok
>   48: Synthesize stat round                                           : Ok
>   49: Synthesize attr update                                          : Ok
>   50: Event times                                                     : Ok
>   51: Read backward ring buffer                                       : Ok
>   52: Print cpu map                                                   : Ok
>   53: Merge cpu map                                                   : Ok
>   54: Probe SDT events                                                : Ok
>   55: is_printable_array                                              : Ok
>   56: Print bitmap                                                    : Ok
>   57: perf hooks                                                      : Ok
>   58: builtin clang support                                           : Skip
> (not compiled in)
>   59: unit_number__scnprintf                                          : Ok
>   60: mem2node                                                        : Ok
>   61: time utils                                                      : Ok
>   62: Test jit_write_elf                                              : Ok
>   63: Test libpfm4 support                                            : Skip
> (not compiled in)
>   64: Test api io                                                     : Ok
>   65: maps__merge_in                                                  : Ok
>   66: Demangle Java                                                   : Ok
>   67: Demangle OCaml                                                  : Ok
>   68: Parse and process metrics                                       : Ok
>   69: PE file support                                                 : Ok
>   70: Event expansion for cgroups                                     : Ok
>   71: Convert perf time to TSC                                        : Ok
>   72: x86 rdpmc                                                       : Ok
>   73: DWARF unwind                                                    : Ok
>   74: x86 instruction decoder - new instructions                      : Ok
>   75: Intel PT packet decoder                                         : Ok
>   76: x86 bp modify                                                   : Ok
>   77: probe libc's inet_pton & backtrace it with ping                 : Ok
>   78: Use vfs_getname probe to get syscall args filenames             : Ok
>   79: Check Arm CoreSight trace data recording and synthesized samples: Skip
>   80: perf stat metrics (shadow stat) test                            : Ok
>   81: build id cache operations                                       : Ok
>   82: daemon operations                                               : Ok
>   83: Add vfs_getname probe to get syscall args filenames             : Ok
>   84: Check open filename arg using perf trace + vfs_getname          : Ok
>   85: Zstd perf.data compression/decompression                        : Ok
> 
>   $ git log --oneline -1
>   3027ce36ccbae74f (HEAD -> perf/core) perf buildid-cache: Don't skip
> 16-byte build-ids
>   $ time make -C tools/perf build-test
>   make: Entering directory '/home/acme/git/perf/tools/perf'
>   - tarpkg: ./tests/perf-targz-src-pkg .
>                 make_no_newt_O: make NO_NEWT=1
>                   make_debug_O: make DEBUG=1
>                     make_doc_O: make doc
>              make_util_map_o_O: make util/map.o
>                    make_help_O: make help
>             make_install_bin_O: make install-bin
>                 make_no_gtk2_O: make NO_GTK2=1
>             make_no_libaudit_O: make NO_LIBAUDIT=1
>             make_no_demangle_O: make NO_DEMANGLE=1
>               make_with_gtk2_O: make GTK2=1
>                  make_perf_o_O: make perf.o
>            make_no_libcrypto_O: make NO_LIBCRYPTO=1
>        make_util_pmu_bison_o_O: make util/pmu-bison.o
>               make_clean_all_O: make clean all
>                make_no_slang_O: make NO_SLANG=1
>             make_no_auxtrace_O: make NO_AUXTRACE=1
>              make_no_libperl_O: make NO_LIBPERL=1
>         make_no_libbpf_DEBUG_O: make NO_LIBBPF=1 DEBUG=1
>   make_no_libdw_dwarf_unwind_O: make NO_LIBDW_DWARF_UNWIND=1
>                  make_no_sdt_O: make NO_SDT=1
>               make_no_libbpf_O: make NO_LIBBPF=1
>          make_install_prefix_O: make install prefix=/tmp/krava
>            make_no_libbionic_O: make NO_LIBBIONIC=1
>            make_with_libpfm4_O: make LIBPFM4=1
>            make_no_backtrace_O: make NO_BACKTRACE=1
>               make_no_libelf_O: make NO_LIBELF=1
>                   make_no_ui_O: make NO_NEWT=1 NO_SLANG=1 NO_GTK2=1
>                 make_install_O: make install
>                    make_tags_O: make tags
>          make_with_clangllvm_O: make LIBCLANGLLVM=1
>            make_no_libunwind_O: make NO_LIBUNWIND=1
>            make_no_libpython_O: make NO_LIBPYTHON=1
>         make_with_babeltrace_O: make LIBBABELTRACE=1
>                 make_minimal_O: make NO_LIBPERL=1 NO_LIBPYTHON=1 NO_NEWT=1
> NO_GTK2=1 NO_DEMANGLE=1 NO_LIBELF=1 NO_LIBUNWIND=1 NO_BACKTRACE=1
> NO_LIBNUMA=1 NO_LIBAUDIT=1 NO_LIBBIONIC=1 NO_LIBDW_DWARF_UNWIND=1
> NO_AUXTRACE=1 NO_LIBBPF=1 NO_LIBCRYPTO=1 NO_SDT=1 NO_JVMTI=1 NO_LIBZSTD=1
> NO_LIBCAP=1 NO_SYSCALL_TABLE=1
>          make_no_syscall_tbl_O: make NO_SYSCALL_TABLE=1
>    make_install_prefix_slash_O: make install prefix=/tmp/krava/
>              make_no_scripts_O: make NO_LIBPYTHON=1 NO_LIBPERL=1
>              make_no_libnuma_O: make NO_LIBNUMA=1
>                    make_pure_O: make
>                  make_static_O: make LDFLAGS=-static NO_PERF_READ_VDSO32=1
> NO_PERF_READ_VDSOX32=1 NO_JVMTI=1
>   OK
>   make: Leaving directory '/home/acme/git/perf/tools/perf'
>   $
> .
> 


  reply	other threads:[~2021-02-25 19:20 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-19 19:46 [GIT PULL] perf tools changes for v5.12 Arnaldo Carvalho de Melo
2021-02-22 22:04 ` Linus Torvalds
2021-02-22 22:39 ` pr-tracker-bot
2021-02-25 18:39 ` perf test for daemon John Garry
2021-02-25 19:13   ` Jiri Olsa [this message]
2021-02-25 19:35     ` Jiri Olsa
2021-02-26  9:14       ` John Garry

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