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Message-Id: <20190125231843.2895-1-acme@kernel.org>
Date: Sat, 26 Jan 2019 00:18:14 +0100
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>,
Davidlohr Bueso <dbueso@...e.de>,
Song Liu <songliubraving@...com>, Tony Jones <tonyj@...e.de>,
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 f575494d4a610278ea8597f2f798c8431b94e884:
Merge tag 'perf-core-for-mingo-5.0-20190121' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core (2019-01-22 11:07:01 +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-5.0-20190126
for you to fetch changes up to 76a06125dd57ed2c7559410168b543313fa0cc51:
perf augmented_syscalls: Convert to bpf_map() (2019-01-25 15:12:11 +0100)
----------------------------------------------------------------
perf/core improvements and fixes:
BPF:
Song Liu:
- Fix synthesized PERF_RECORD_KSYMBOL/BPF_EVENT
Arnaldo Carvalho de Melo:
- Add bpf_map() helper, to make BPF map declararions more compact and
allow for BTF annotations to be made transparently.
perf script python:
Tony Jones:
- Remove explicit shebangs.
- Fix the PYTHON=python3 builds.
Core:
Davidlohr Bueso:
- Update rbtree implementation, getting it closer to the kernel one.
- Use cached rbtrees.
Arnaldo Carvalho de Melo:
- Remove some needless headers from .c and .h files fixing up the fallout,
to reduce building time when changes are made to .h files
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
----------------------------------------------------------------
Arnaldo Carvalho de Melo (16):
perf color: Add missing stdarg.g to color.h
perf symbols: Move symbol_conf to separate file
perf annotate: Remove lots of headers from annotate.h
perf tools: Move branch structs to branch.h
perf block-range: Add missing headers
perf symbols: Remove include map.h from dso.h
perf symbols: Remove some unnecessary includes from symbol.h
perf namespaces: Remove namespaces.h from .h headers
perf comm: Remove needless headers from comm.h
perf callchain: No need to include perf.h
perf bpf: Add bpf_map() helper
perf bpf: Convert pid_map() to bpf_map()
perf augmented_raw_syscalls: Use bpf_map()
perf trace: Fixup etcsnoop example
perf bpf examples: Convert etcsnoop to use bpf_map()
perf augmented_syscalls: Convert to bpf_map()
Davidlohr Bueso (7):
tools: Update rbtree implementation
perf machine: Use cached rbtrees
perf callchain: Use cached rbtrees
perf util: Use cached rbtree for rblists
perf symbols: Use cached rbtrees
perf hist: Use cached rbtrees
perf sched: Use cached rbtrees
Song Liu (1):
perf bpf: Fix synthesized PERF_RECORD_KSYMBOL/BPF_EVENT
Tony Jones (6):
perf script python: Add trace_context extension module to sys.modules
perf script python: Use PyBytes for attr in trace-event-python
perf script python: Remove explicit shebang from setup.py
perf script python: Remove explicit shebang from tests/attr.c
perf script python: Remove explicit shebang from Python scripts
perf script python: Add Python3 support to tests/attr.py
tools/include/linux/rbtree.h | 52 +++++-
tools/include/linux/rbtree_augmented.h | 60 +++++--
tools/lib/rbtree.c | 178 +++++++++++++-----
tools/perf/Makefile.perf | 4 +-
tools/perf/builtin-annotate.c | 4 +-
tools/perf/builtin-c2c.c | 6 +-
tools/perf/builtin-diff.c | 10 +-
tools/perf/builtin-probe.c | 1 +
tools/perf/builtin-report.c | 3 +-
tools/perf/builtin-sched.c | 45 ++---
tools/perf/builtin-top.c | 2 +-
tools/perf/builtin-trace.c | 3 +-
tools/perf/examples/bpf/augmented_raw_syscalls.c | 14 +-
tools/perf/examples/bpf/augmented_syscalls.c | 8 +-
tools/perf/examples/bpf/etcsnoop.c | 8 +-
tools/perf/include/bpf/bpf.h | 16 +-
tools/perf/scripts/python/exported-sql-viewer.py | 1 -
tools/perf/scripts/python/sched-migration.py | 2 -
tools/perf/scripts/python/stat-cpi.py | 1 -
tools/perf/tests/attr.py | 33 ++--
tools/perf/tests/hists_common.c | 8 +-
tools/perf/tests/hists_cumulate.c | 14 +-
tools/perf/tests/hists_link.c | 8 +-
tools/perf/tests/hists_output.c | 32 ++--
tools/perf/ui/browsers/hists.c | 16 +-
tools/perf/ui/browsers/map.c | 1 +
tools/perf/ui/gtk/annotate.c | 1 +
tools/perf/ui/gtk/hists.c | 6 +-
tools/perf/ui/stdio/hist.c | 3 +-
tools/perf/util/annotate.c | 1 +
tools/perf/util/annotate.h | 14 +-
tools/perf/util/block-range.c | 2 +
tools/perf/util/block-range.h | 6 +-
tools/perf/util/bpf-event.c | 10 +-
tools/perf/util/branch.h | 27 ++-
tools/perf/util/build-id.c | 13 +-
tools/perf/util/build-id.h | 3 +-
tools/perf/util/callchain.h | 1 -
tools/perf/util/color.h | 1 +
tools/perf/util/comm.c | 1 +
tools/perf/util/comm.h | 4 +-
tools/perf/util/dso.c | 10 +-
tools/perf/util/dso.h | 16 +-
tools/perf/util/event.h | 21 +--
tools/perf/util/hist.c | 199 ++++++++++++---------
tools/perf/util/hist.h | 10 +-
tools/perf/util/intlist.h | 2 +-
tools/perf/util/jitdump.c | 1 +
tools/perf/util/machine.c | 53 +++---
tools/perf/util/machine.h | 12 +-
tools/perf/util/map.c | 8 +-
tools/perf/util/metricgroup.c | 2 +-
tools/perf/util/probe-event.c | 4 +-
tools/perf/util/probe-event.h | 5 +-
tools/perf/util/probe-file.c | 1 +
tools/perf/util/rb_resort.h | 8 +-
tools/perf/util/rblist.c | 28 +--
tools/perf/util/rblist.h | 2 +-
.../util/scripting-engines/trace-event-python.c | 15 +-
tools/perf/util/setup.py | 2 -
tools/perf/util/sort.h | 4 +-
tools/perf/util/srcline.c | 43 +++--
tools/perf/util/srcline.h | 13 +-
tools/perf/util/stat-display.c | 1 +
tools/perf/util/stat-shadow.c | 2 +-
tools/perf/util/strlist.h | 2 +-
tools/perf/util/symbol-minimal.c | 1 +
tools/perf/util/symbol.c | 87 ++++-----
tools/perf/util/symbol.h | 88 ++-------
tools/perf/util/symbol_conf.h | 73 ++++++++
tools/perf/util/symbol_fprintf.c | 3 +-
tools/perf/util/thread.h | 1 +
tools/perf/util/util.c | 1 +
73 files changed, 810 insertions(+), 531 deletions(-)
create mode 100644 tools/perf/util/symbol_conf.h
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 gcc (GCC) 6.3.1 20161221 (Red Hat 6.3.1-1)
10 android-ndk:r15c-arm : Ok gcc (GCC) 8.2.1 20181215 (Red Hat 8.2.1-6)
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+deb8u2) 4.9.2
17 debian:9 : Ok gcc (Debian 6.3.0-18+deb9u1) 6.3.0 20170516
18 debian:experimental : Ok gcc (Debian 8.2.0-13) 8.2.0
19 debian:experimental-x-arm64 : Ok gcc (Debian 8.2.0-13) 8.2.0
20 debian:experimental-x-mips : Ok gcc (Debian 8.2.0-13) 8.2.0
21 debian:experimental-x-mips64 : Ok gcc (Debian 8.2.0-13) 8.2.0
22 debian:experimental-x-mipsel : Ok gcc (Debian 8.2.0-13) 8.2.0
23 fedora:20 : Ok gcc (GCC) 4.8.3 20140911 (Red Hat 4.8.3-7)
24 fedora:22 : Ok gcc (GCC) 5.3.1 20160406 (Red Hat 5.3.1-6)
25 fedora:23 : Ok gcc (GCC) 5.3.1 20160406 (Red Hat 5.3.1-6)
26 fedora:24 : Ok gcc (GCC) 6.3.1 20161221 (Red Hat 6.3.1-1)
27 fedora:24-x-ARC-uClibc : Ok gcc (GCC) 6.3.1 20161221 (Red Hat 6.3.1-1)
28 fedora:25 : Ok gcc (GCC) 6.4.1 20170727 (Red Hat 6.4.1-1)
29 fedora:26 : Ok gcc (GCC) 7.3.1 20180130 (Red Hat 7.3.1-2)
30 fedora:27 : Ok gcc (GCC) 7.3.1 20180712 (Red Hat 7.3.1-6)
31 fedora:28 : Ok gcc (GCC) 8.2.1 20181105 (Red Hat 8.2.1-5)
32 fedora:29 : Ok gcc (GCC) 8.2.1 20181105 (Red Hat 8.2.1-5)
33 fedora:rawhide : Ok gcc (GCC) 8.2.1 20190109 (Red Hat 8.2.1-7)
34 gentoo-stage3-amd64:latest : Ok gcc (Gentoo 7.3.0-r3 p1.4) 7.3.0
35 mageia:5 : Ok gcc (GCC) 4.9.2
36 mageia:6 : Ok gcc (Mageia 5.5.0-1.mga6) 5.5.0
37 opensuse:13.2 : Ok gcc (SUSE Linux) 4.8.3 20140627 [gcc-4_8-branch revision 212064]
38 opensuse:15.0 : Ok gcc (SUSE Linux) 7.3.1 20180323 [gcc-7-branch revision 258812]
39 opensuse:42.1 : Ok gcc (SUSE Linux) 4.8.5
40 opensuse:42.2 : Ok gcc (SUSE Linux) 4.8.5
41 opensuse:42.3 : Ok gcc (SUSE Linux) 4.8.5
42 opensuse:tumbleweed : Ok gcc (SUSE Linux) 8.2.1 20181108 [gcc-8-branch revision 265914]
43 oraclelinux:6 : Ok gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-23.0.1)
44 oraclelinux:7 : Ok gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-36.0.1)
45 ubuntu:12.04.5 : Ok gcc (Ubuntu/Linaro 4.6.3-1ubuntu5) 4.6.3
46 ubuntu:14.04.4 : Ok gcc (Ubuntu 4.8.4-2ubuntu1~14.04.4) 4.8.4
47 ubuntu:14.04.4-x-linaro-arm64 : Ok gcc (Ubuntu 4.8.4-2ubuntu1~14.04.4) 4.8.4
48 ubuntu:16.04 : Ok gcc (Ubuntu 5.4.0-6ubuntu1~16.04.10) 5.4.0 20160609
49 ubuntu:16.04-x-arm : Ok gcc (Ubuntu 5.4.0-6ubuntu1~16.04.10) 5.4.0 20160609
50 ubuntu:16.04-x-arm64 : Ok gcc (Ubuntu 5.4.0-6ubuntu1~16.04.10) 5.4.0 20160609
51 ubuntu:16.04-x-powerpc : Ok gcc (Ubuntu 5.4.0-6ubuntu1~16.04.10) 5.4.0 20160609
52 ubuntu:16.04-x-powerpc64 : Ok gcc (Ubuntu 5.4.0-6ubuntu1~16.04.10) 5.4.0 20160609
53 ubuntu:16.04-x-powerpc64el : Ok gcc (Ubuntu 5.4.0-6ubuntu1~16.04.10) 5.4.0 20160609
54 ubuntu:16.04-x-s390 : Ok gcc (Ubuntu 5.4.0-6ubuntu1~16.04.10) 5.4.0 20160609
55 ubuntu:17.10 : Ok gcc (Ubuntu 7.2.0-8ubuntu3.2) 7.2.0
56 ubuntu:18.04 : Ok gcc (Ubuntu 7.3.0-27ubuntu1~18.04) 7.3.0
57 ubuntu:18.04-x-arm : Ok gcc (Ubuntu 7.3.0-27ubuntu1~18.04) 7.3.0
58 ubuntu:18.04-x-arm64 : Ok gcc (Ubuntu 7.3.0-27ubuntu1~18.04) 7.3.0
59 ubuntu:18.04-x-m68k : Ok gcc (Ubuntu 7.3.0-27ubuntu1~18.04) 7.3.0
60 ubuntu:18.04-x-powerpc : Ok gcc (Ubuntu 7.3.0-27ubuntu1~18.04) 7.3.0
61 ubuntu:18.04-x-powerpc64 : Ok gcc (Ubuntu 7.3.0-27ubuntu1~18.04) 7.3.0
62 ubuntu:18.04-x-powerpc64el : Ok gcc (Ubuntu 7.3.0-27ubuntu1~18.04) 7.3.0
63 ubuntu:18.04-x-riscv64 : Ok gcc (Ubuntu 7.3.0-27ubuntu1~18.04) 7.3.0
64 ubuntu:18.04-x-s390 : Ok gcc (Ubuntu 7.3.0-27ubuntu1~18.04) 7.3.0
65 ubuntu:18.04-x-sh4 : Ok gcc (Ubuntu 7.3.0-27ubuntu1~18.04) 7.3.0
66 ubuntu:18.04-x-sparc64 : Ok gcc (Ubuntu 7.3.0-27ubuntu1~18.04) 7.3.0
67 ubuntu:18.10 : Ok gcc (Ubuntu 8.2.0-7ubuntu1) 8.2.0
68 ubuntu:19.04 : Ok gcc (Ubuntu 8.2.0-12ubuntu1) 8.2.0
69 ubuntu:19.04-x-alpha : Ok gcc (Ubuntu 8.2.0-12ubuntu1) 8.2.0
70 ubuntu:19.04-x-hppa : Ok gcc (Ubuntu 8.2.0-12ubuntu1) 8.2.0
$
# uname -a
Linux quaco 4.20.3-200.fc29.x86_64 #1 SMP Thu Jan 17 15:19:35 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux
# git log --oneline -1
76a06125dd57 perf augmented_syscalls: Convert to bpf_map()
# perf version --build-options
perf version 5.0.rc2.g76a061
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_libunwind_O: make NO_LIBUNWIND=1
make_no_demangle_O: make NO_DEMANGLE=1
make_no_libperl_O: make NO_LIBPERL=1
make_no_libelf_O: make NO_LIBELF=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_pure_O: make
make_no_newt_O: make NO_NEWT=1
make_no_libnuma_O: make NO_LIBNUMA=1
make_no_ui_O: make NO_NEWT=1 NO_SLANG=1 NO_GTK2=1
make_install_prefix_slash_O: make install prefix=/tmp/krava/
make_clean_all_O: make clean all
make_no_scripts_O: make NO_LIBPYTHON=1 NO_LIBPERL=1
make_no_libaudit_O: make NO_LIBAUDIT=1
make_no_libbpf_O: make NO_LIBBPF=1
make_with_clangllvm_O: make LIBCLANGLLVM=1
make_util_map_o_O: make util/map.o
make_tags_O: make tags
make_static_O: make LDFLAGS=-static
make_with_babeltrace_O: make LIBBABELTRACE=1
make_no_libdw_dwarf_unwind_O: make NO_LIBDW_DWARF_UNWIND=1
make_install_bin_O: make install-bin
make_doc_O: make doc
make_no_slang_O: make NO_SLANG=1
make_debug_O: make DEBUG=1
make_install_prefix_O: make install prefix=/tmp/krava
make_util_pmu_bison_o_O: make util/pmu-bison.o
make_no_libbionic_O: make NO_LIBBIONIC=1
make_no_auxtrace_O: make NO_AUXTRACE=1
make_no_gtk2_O: make NO_GTK2=1
make_no_backtrace_O: make NO_BACKTRACE=1
make_no_libpython_O: make NO_LIBPYTHON=1
make_perf_o_O: make perf.o
make_help_O: make help
make_install_O: make install
OK
make: Leaving directory '/home/acme/git/perf/tools/perf'
$
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