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Message-Id: <20190103124609.29672-1-acme@kernel.org>
Date: Thu, 3 Jan 2019 09:45:40 -0300
From: Arnaldo Carvalho de Melo <acme@...nel.org>
To: Ingo Molnar <mingo@...nel.org>
Cc: Clark Williams <williams@...hat.com>, linux-kernel@...r.kernel.org,
linux-perf-users@...r.kernel.org,
Arnaldo Carvalho de Melo <acme@...nel.org>,
Adrian Hunter <adrian.hunter@...el.com>,
Andi Kleen <ak@...ux.intel.com>,
Colin King <colin.king@...onical.com>,
Joe Mario <jmario@...hat.com>,
Namhyung Kim <namhyung@...nel.org>,
Ondřej Lysoněk <olysonek@...hat.com>,
Stanislav Fomichev <sdf@...gle.com>,
Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: [GIT PULL 00/29] perf/core improvements and fixes
Hi Ingo,
Please consider pulling,
- Arnaldo
Test results at the end of this message, as usual.
The following changes since commit 883f4def8b77e6870ce42be279564cca0256c611:
Merge tag 'perf-core-for-mingo-4.21-20181218' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core (2018-12-20 18:51:47 +0100)
are available in the Git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux.git tags/perf-core-for-mingo-4.21-20190103
for you to fetch changes up to b25756df5b28cd7b6e91200fc5012e7c76e8ec69:
perf session: Add comment for perf_session__register_idle_thread() (2019-01-02 11:05:06 -0300)
----------------------------------------------------------------
perf/core improvements and fixes:
perf c2c:
Jiri Olsa:
- Change the default coalesce setup to from '--coalesce pid,iaddr' to just '--coalesce iaddr'.
- Increase the HITM ratio limit for displayed cachelines.
perf script:
Andi Kleen:
- Fix LBR skid dump problems in brstackinsn.
perf trace:
Arnaldo Carvalho de Melo:
- Check if the raw_syscalls:sys_{enter,exit} are setup before setting tp filter.
- Do not hardcode the size of the tracepoint common_ fields.
- Beautify USBDEFFS_ ioctl commands.
Colin Ian King:
- Use correct SECCOMP prefix spelling, "SECOMP_*" -> "SECCOMP_*".
perf python:
Jiri Olsa:
- Do not force closing original perf descriptor in evlist.get_pollfd().
tools misc:
Jiri Olsa:
- Allow overriding CFLAGS and LDFLAGS.
perf build:
Stanislav Fomichev:
- Don't unconditionally link the libbfd feature test to -liberty and -lz
thread-stack:
Adrian Hunter:
- Fix processing for the idle task, having a stack per cpu.
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
----------------------------------------------------------------
Adrian Hunter (8):
perf thread-stack: Simplify some code in thread_stack__process()
perf thread-stack: Tidy thread_stack__bottom() usage
perf thread-stack: Avoid direct reference to the thread's stack
perf thread-stack: Allow for a thread stack array
perf thread-stack: Factor out thread_stack__init()
perf thread-stack: Allocate an array of thread stacks
perf thread-stack: Fix thread stack processing for the idle task
perf session: Add comment for perf_session__register_idle_thread()
Andi Kleen (1):
perf script: Fix LBR skid dump problems in brstackinsn
Arnaldo Carvalho de Melo (11):
perf trace: Check if the raw_syscalls:sys_{enter,exit} are setup before setting tp filter
perf beauty mmap: PROT_WRITE should come before PROT_EXEC
perf trace: Do not hardcode the size of the tracepoint common_ fields
perf trace: Rename thread_thread->paths to thread_trace->files
perf trace: Move the files table resizing to outside set_pathname()
perf trace: Store the major number for a file when storing its pathname
tools headers uapi: Grab a copy of usbdevice_fs.h
perf beauty ioctl: Add generator for USBDEVFS_ ioctl commands
perf trace: Wire up ioctl's USBDEBFS_ cmd table generator
perf trace beauty: Export function to get the files for a thread
perf trace beauty ioctl: Beautify USBDEVFS_ commands
Colin Ian King (1):
perf trace: Use correct SECCOMP prefix spelling, "SECOMP_*" -> "SECCOMP_*"
Jiri Olsa (7):
perf python: Do not force closing original perf descriptor in evlist.get_pollfd()
perf c2c: Change the default coalesce setup
perf c2c: Increase the HITM ratio limit for displayed cachelines
tools power x86_energy_perf_policy: Override CFLAGS assignments and add LDFLAGS to build command
tools thermal tmon: Allow overriding CFLAGS assignments
tools power turbostat: Override CFLAGS assignments and add LDFLAGS to build command
tools gpio: Allow overriding CFLAGS
Stanislav Fomichev (1):
perf build: Don't unconditionally link the libbfd feature test to -liberty and -lz
tools/build/Makefile.feature | 4 +-
tools/build/feature/Makefile | 10 +-
tools/gpio/Makefile | 2 +-
tools/include/uapi/linux/usbdevice_fs.h | 201 ++++++++++++++++++
tools/perf/Makefile.config | 44 ++--
tools/perf/Makefile.perf | 8 +
tools/perf/builtin-c2c.c | 4 +-
tools/perf/builtin-script.c | 21 +-
tools/perf/builtin-trace.c | 142 +++++++++----
tools/perf/check-headers.sh | 1 +
tools/perf/trace/beauty/beauty.h | 7 +
tools/perf/trace/beauty/ioctl.c | 22 ++
tools/perf/trace/beauty/mmap.c | 2 +-
tools/perf/trace/beauty/seccomp.c | 4 +-
tools/perf/trace/beauty/usbdevfs_ioctl.sh | 19 ++
tools/perf/util/dump-insn.c | 8 +
tools/perf/util/dump-insn.h | 2 +
tools/perf/util/intel-bts.c | 4 +-
.../util/intel-pt-decoder/intel-pt-insn-decoder.c | 8 +
tools/perf/util/intel-pt.c | 6 +-
tools/perf/util/python.c | 3 +-
tools/perf/util/session.c | 7 +
tools/perf/util/thread-stack.c | 227 +++++++++++++++------
tools/perf/util/thread-stack.h | 8 +-
tools/power/x86/turbostat/Makefile | 8 +-
tools/power/x86/x86_energy_perf_policy/Makefile | 6 +-
tools/thermal/tmon/Makefile | 8 +-
27 files changed, 620 insertions(+), 166 deletions(-)
create mode 100644 tools/include/uapi/linux/usbdevice_fs.h
create mode 100755 tools/perf/trace/beauty/usbdevfs_ioctl.sh
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.
$ dm
1 alpine:3.4 : Ok gcc (Alpine 5.3.0) 5.3.0
2 alpine:3.5 : Ok gcc (Alpine 6.2.1) 6.2.1 20160822
3 alpine:3.6 : Ok gcc (Alpine 6.3.0) 6.3.0
4 alpine:3.7 : Ok gcc (Alpine 6.4.0) 6.4.0
5 alpine:3.8 : Ok gcc (Alpine 6.4.0) 6.4.0
6 alpine:edge : Ok gcc (Alpine 8.2.0) 8.2.0
7 amazonlinux:1 : Ok gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-28)
8 amazonlinux:2 : Ok gcc (GCC) 7.3.1 20180303 (Red Hat 7.3.1-5)
9 android-ndk:r12b-arm : Ok arm-linux-androideabi-gcc (GCC) 4.9.x 20150123 (prerelease)
10 android-ndk:r15c-arm : Ok arm-linux-androideabi-gcc (GCC) 4.9.x 20150123 (prerelease)
11 centos:5 : Ok gcc (GCC) 4.1.2 20080704 (Red Hat 4.1.2-55)
12 centos:6 : Ok gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-23)
13 centos:7 : Ok gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-36)
14 clearlinux:latest : Ok gcc (Clear Linux OS for Intel Architecture) 8.2.1 20180502
15 debian:7 : Ok gcc (Debian 4.7.2-5) 4.7.2
16 debian:8 : Ok gcc (Debian 4.9.2-10+deb8u1) 4.9.2
17 debian:9 : Ok gcc (Debian 6.3.0-18+deb9u1) 6.3.0 20170516
18 debian:experimental : Ok gcc (Debian 8.2.0-10) 8.2.0
19 debian:experimental-x-arm64 : Ok aarch64-linux-gnu-gcc (Debian 8.2.0-10) 8.2.0
20 debian:experimental-x-mips64 : Ok mips64-linux-gnuabi64-gcc (Debian 8.2.0-10) 8.2.0
21 debian:experimental : Ok gcc (Debian 8.2.0-13) 8.2.0
22 debian:experimental-x-arm64 : Ok aarch64-linux-gnu-gcc (Debian 8.2.0-11) 8.2.0
23 debian:experimental-x-mips : Ok mips-linux-gnu-gcc (Debian 8.2.0-11) 8.2.0
24 debian:experimental-x-mips64 : Ok mips64-linux-gnuabi64-gcc (Debian 8.2.0-11) 8.2.0
25 debian:experimental-x-mipsel : Ok mipsel-linux-gnu-gcc (Debian 8.2.0-11) 8.2.0
26 fedora:20 : Ok gcc (GCC) 4.8.3 20140911 (Red Hat 4.8.3-7)
27 fedora:22 : Ok gcc (GCC) 5.3.1 20160406 (Red Hat 5.3.1-6)
28 fedora:23 : Ok gcc (GCC) 5.3.1 20160406 (Red Hat 5.3.1-6)
29 fedora:24 : Ok gcc (GCC) 6.3.1 20161221 (Red Hat 6.3.1-1)
30 fedora:24-x-ARC-uClibc : Ok arc-linux-gcc (ARCompact ISA Linux uClibc toolchain 2017.09-rc2) 7.1.1 20170710
31 fedora:25 : Ok gcc (GCC) 6.4.1 20170727 (Red Hat 6.4.1-1)
32 fedora:26 : Ok gcc (GCC) 7.3.1 20180130 (Red Hat 7.3.1-2)
33 fedora:27 : Ok gcc (GCC) 7.3.1 20180712 (Red Hat 7.3.1-6)
34 fedora:28 : Ok gcc (GCC) 8.2.1 20181105 (Red Hat 8.2.1-5)
35 fedora:29 : Ok gcc (GCC) 8.2.1 20181105 (Red Hat 8.2.1-5)
36 fedora:rawhide : Ok gcc (GCC) 8.2.1 20181105 (Red Hat 8.2.1-5)
37 gentoo-stage3-amd64:latest : Ok gcc (Gentoo 7.3.0-r3 p1.4) 7.3.0
38 mageia:5 : Ok gcc (GCC) 4.9.2
39 mageia:6 : Ok gcc (Mageia 5.5.0-1.mga6) 5.5.0
40 opensuse:13.2 : Ok gcc (SUSE Linux) 4.8.3 20140627 [gcc-4_8-branch revision 212064]
41 opensuse:15.0 : Ok gcc (SUSE Linux) 7.3.1 20180323 [gcc-7-branch revision 258812]
42 opensuse:42.1 : Ok gcc (SUSE Linux) 4.8.5
43 opensuse:42.2 : Ok gcc (SUSE Linux) 4.8.5
44 opensuse:42.3 : Ok gcc (SUSE Linux) 4.8.5
45 opensuse:tumbleweed : Ok gcc (SUSE Linux) 8.2.1 20181108 [gcc-8-branch revision 265914]
46 oraclelinux:6 : Ok gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-23.0.1)
47 oraclelinux:7 : Ok gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-36.0.1)
48 ubuntu:12.04.5 : Ok gcc (Ubuntu/Linaro 4.6.3-1ubuntu5) 4.6.3
49 ubuntu:14.04.4 : Ok gcc (Ubuntu 4.8.4-2ubuntu1~14.04.4) 4.8.4
50 ubuntu:14.04.4-x-linaro-arm64 : Ok aarch64-linux-gnu-gcc (Linaro GCC 5.5-2017.10) 5.5.0
51 ubuntu:16.04 : Ok gcc (Ubuntu 5.4.0-6ubuntu1~16.04.10) 5.4.0 20160609
52 ubuntu:16.04-x-arm : Ok arm-linux-gnueabihf-gcc (Ubuntu/Linaro 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
53 ubuntu:16.04-x-arm64 : Ok aarch64-linux-gnu-gcc (Ubuntu/Linaro 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
54 ubuntu:16.04-x-powerpc : Ok powerpc-linux-gnu-gcc (Ubuntu 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
55 ubuntu:16.04-x-powerpc64 : Ok powerpc64-linux-gnu-gcc (Ubuntu/IBM 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
56 ubuntu:16.04-x-powerpc64el : Ok powerpc64le-linux-gnu-gcc (Ubuntu/IBM 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
57 ubuntu:16.04-x-s390 : Ok s390x-linux-gnu-gcc (Ubuntu 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
58 ubuntu:17.10 : Ok gcc (Ubuntu 7.2.0-8ubuntu3.2) 7.2.0
59 ubuntu:18.04 : Ok gcc (Ubuntu 7.3.0-27ubuntu1~18.04) 7.3.0
60 ubuntu:18.04-x-arm : Ok arm-linux-gnueabihf-gcc (Ubuntu/Linaro 7.3.0-27ubuntu1~18.04) 7.3.0
61 ubuntu:18.04-x-arm64 : Ok aarch64-linux-gnu-gcc (Ubuntu/Linaro 7.3.0-27ubuntu1~18.04) 7.3.0
62 ubuntu:18.04-x-m68k : Ok m68k-linux-gnu-gcc (Ubuntu 7.3.0-27ubuntu1~18.04) 7.3.0
63 ubuntu:18.04-x-powerpc : Ok powerpc-linux-gnu-gcc (Ubuntu 7.3.0-27ubuntu1~18.04) 7.3.0
64 ubuntu:18.04-x-powerpc64 : Ok powerpc64-linux-gnu-gcc (Ubuntu 7.3.0-27ubuntu1~18.04) 7.3.0
65 ubuntu:18.04-x-powerpc64el : Ok powerpc64le-linux-gnu-gcc (Ubuntu 7.3.0-27ubuntu1~18.04) 7.3.0
66 ubuntu:18.04-x-riscv64 : Ok riscv64-linux-gnu-gcc (Ubuntu 7.3.0-27ubuntu1~18.04) 7.3.0
67 ubuntu:18.04-x-s390 : Ok s390x-linux-gnu-gcc (Ubuntu 7.3.0-27ubuntu1~18.04) 7.3.0
68 ubuntu:18.04-x-sh4 : Ok sh4-linux-gnu-gcc (Ubuntu 7.3.0-27ubuntu1~18.04) 7.3.0
69 ubuntu:18.04-x-sparc64 : Ok sparc64-linux-gnu-gcc (Ubuntu 7.3.0-27ubuntu1~18.04) 7.3.0
70 ubuntu:18.10 : Ok gcc (Ubuntu 8.2.0-7ubuntu1) 8.2.0
71 ubuntu:19.04 : Ok gcc (Ubuntu 8.2.0-12ubuntu1) 8.2.0
72 ubuntu:19.04-x-alpha : Ok alpha-linux-gnu-gcc (Ubuntu 8.2.0-11ubuntu1) 8.2.0
73 ubuntu:19.04-x-hppa : Ok hppa-linux-gnu-gcc (Ubuntu 8.2.0-11ubuntu1) 8.2.0
$
# uname -a
Linux quaco 4.19.8-rt6+ #2 SMP PREEMPT RT Wed Dec 19 12:58:37 -03 2018 x86_64 x86_64 x86_64 GNU/Linux
# git log --oneline -1
b25756df5b28 perf session: Add comment for perf_session__register_idle_thread()
# perf version --build-options
perf version 4.20.rc7.gb25756
dwarf: [ on ] # HAVE_DWARF_SUPPORT
dwarf_getlocations: [ on ] # HAVE_DWARF_GETLOCATIONS_SUPPORT
glibc: [ on ] # HAVE_GLIBC_SUPPORT
gtk2: [ on ] # HAVE_GTK2_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
# 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: DSO data read : Ok
11: DSO data cache : Ok
12: DSO data reopen : Ok
13: Roundtrip evsel->name : Ok
14: Parse sched tracepoints fields : Ok
15: syscalls:sys_enter_openat event fields : Ok
16: Setup struct perf_event_attr : Ok
17: Match and link multiple hists : Ok
18: 'import perf' in python : Ok
19: Breakpoint overflow signal handler : Ok
20: Breakpoint overflow sampling : Ok
21: Breakpoint accounting : Ok
22: Watchpoint :
22.1: Read Only Watchpoint : Skip
22.2: Write Only Watchpoint : Ok
22.3: Read / Write Watchpoint : Ok
22.4: Modify Watchpoint : Ok
23: Number of exit events of a simple workload : Ok
24: Software clock events period values : Ok
25: Object code reading : Ok
26: Sample parsing : Ok
27: Use a dummy software event to keep tracking : Ok
28: Parse with no sample_id_all bit set : Ok
29: Filter hist entries : Ok
30: Lookup mmap thread : Ok
31: Share thread mg : Ok
32: Sort output of hist entries : Ok
33: Cumulate child hist entries : Ok
34: Track with sched_switch : Ok
35: Filter fds with revents mask in a fdarray : Ok
36: Add fd to a fdarray, making it autogrow : Ok
37: kmod_path__parse : Ok
38: Thread map : Ok
39: LLVM search and compile :
39.1: Basic BPF llvm compile : Ok
39.2: kbuild searching : Ok
39.3: Compile source for BPF prologue generation : Ok
39.4: Compile source for BPF relocation : Ok
40: Session topology : Ok
41: BPF filter :
41.1: Basic BPF filtering : Ok
41.2: BPF pinning : Ok
41.3: BPF prologue generation : Ok
41.4: BPF relocation checker : Ok
42: Synthesize thread map : Ok
43: Remove thread map : Ok
44: Synthesize cpu map : Ok
45: Synthesize stat config : Ok
46: Synthesize stat : Ok
47: Synthesize stat round : Ok
48: Synthesize attr update : Ok
49: Event times : Ok
50: Read backward ring buffer : Ok
51: Print cpu map : Ok
52: Probe SDT events : Ok
53: is_printable_array : Ok
54: Print bitmap : Ok
55: perf hooks : Ok
56: builtin clang support : Skip (not compiled in)
57: unit_number__scnprintf : Ok
58: mem2node : Ok
59: x86 rdpmc : Ok
60: Convert perf time to TSC : Ok
61: DWARF unwind : Ok
62: x86 instruction decoder - new instructions : Ok
63: x86 bp modify : Ok
64: probe libc's inet_pton & backtrace it with ping : Ok
65: Use vfs_getname probe to get syscall args filenames : Ok
66: Add vfs_getname probe to get syscall args filenames : Ok
67: Check open filename arg using perf trace + vfs_getname: Ok
$ make -C tools/perf build-test
make: Entering directory '/home/acme/git/perf/tools/perf'
- tarpkg: ./tests/perf-targz-src-pkg .
make_no_libdw_dwarf_unwind_O: make NO_LIBDW_DWARF_UNWIND=1
make_no_libpython_O: make NO_LIBPYTHON=1
make_clean_all_O: make clean all
make_perf_o_O: make perf.o
make_no_newt_O: make NO_NEWT=1
make_no_libunwind_O: make NO_LIBUNWIND=1
make_no_libelf_O: make NO_LIBELF=1
make_no_libnuma_O: make NO_LIBNUMA=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
make_no_slang_O: make NO_SLANG=1
make_pure_O: make
make_help_O: make help
make_cscope_O: make cscope
make_with_clangllvm_O: make LIBCLANGLLVM=1
make_util_map_o_O: make util/map.o
make_no_demangle_O: make NO_DEMANGLE=1
make_install_prefix_O: make install prefix=/tmp/krava
make_no_backtrace_O: make NO_BACKTRACE=1
make_doc_O: make doc
make_install_O: make install
make_util_pmu_bison_o_O: make util/pmu-bison.o
make_no_auxtrace_O: make NO_AUXTRACE=1
make_debug_O: make DEBUG=1
make_install_prefix_slash_O: make install prefix=/tmp/krava/
make_no_libaudit_O: make NO_LIBAUDIT=1
make_no_libbionic_O: make NO_LIBBIONIC=1
make_no_libperl_O: make NO_LIBPERL=1
make_with_babeltrace_O: make LIBBABELTRACE=1
make_no_ui_O: make NO_NEWT=1 NO_SLANG=1 NO_GTK2=1
make_install_bin_O: make install-bin
make_static_O: make LDFLAGS=-static
make_no_scripts_O: make NO_LIBPYTHON=1 NO_LIBPERL=1
make_tags_O: make tags
make_no_gtk2_O: make NO_GTK2=1
make_no_libbpf_O: make NO_LIBBPF=1
OK
make: Leaving directory '/home/acme/git/perf/tools/perf'
$
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