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Subject[GIT PULL 00/21] perf/core improvements and fixes
Date
Hi Ingo,

Please consider pulling,

- Arnaldo

Test results at the end of this message, as usual.

The following changes since commit 33ea4b24277b06dbc55d7f5772a46f029600255e:

perf/core: Implement the 'perf_uprobe' PMU (2018-02-06 11:29:28 +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-4.17-20180206

for you to fetch changes up to 52a37001d51a320c1019269fb3ba473a1363650d:

perf test: Fix test trace+probe_libc_inet_pton.sh for s390x (2018-02-06 10:46:58 -0300)

----------------------------------------------------------------
perf/core improvements and fixes:

- perf_mmap overwrite mode overhaul, prep work to get 'perf top'
using it, making it bearable to use it in large core count systems
such as Knights Landing/Mill Intel systems (Kan Liang)

- Add perf vendor JSON metrics for ARM Cortex-A53 Processor (William Cohen)

- Use strtoull() instead of home grown function (Andy Shevchenko)

- Document missing 'perf data --force' option (Sangwon Hong)

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

----------------------------------------------------------------
Andy Shevchenko (1):
perf tools: Substitute yet another strtoull()

Arnaldo Carvalho de Melo (1):
perf evsel: Expose the perf_missing_features struct

Kan Liang (16):
perf evlist: Remove stale mmap read for backward
perf mmap: Recalculate size for overwrite mode
perf mmap: Cleanup perf_mmap__push()
perf mmap: Introduce perf_mmap__read_init()
perf mmap: Add new return value logic for perf_mmap__read_init()
perf mmap: Discard 'prev' in perf_mmap__read()
perf mmap: Introduce perf_mmap__read_done()
perf mmap: Introduce perf_mmap__read_event()
perf test: Update mmap read functions for backward-ring-buffer test
perf mmap: Discard legacy interface for mmap read
perf top: Check per-event overwrite term
perf top: Add overwrite fall back
perf hists browser: Add parameter to disable lost event warning
perf top: Remove lost events checking
perf top: Switch default mode to overwrite mode
perf top: Check the latency of perf_top__mmap_read()

Sangwon Hong (1):
perf data: Document missing --force option

Thomas Richter (1):
perf test: Fix test trace+probe_libc_inet_pton.sh for s390x

William Cohen (1):
perf vendor events aarch64: Add JSON metrics for ARM Cortex-A53 Processor

tools/perf/Documentation/perf-data.txt | 4 +
tools/perf/builtin-c2c.c | 4 +-
tools/perf/builtin-report.c | 3 +-
tools/perf/builtin-top.c | 150 ++++++++++++++++++++-
.../pmu-events/arch/arm64/cortex-a53/branch.json | 27 ++++
.../perf/pmu-events/arch/arm64/cortex-a53/bus.json | 22 +++
.../pmu-events/arch/arm64/cortex-a53/cache.json | 27 ++++
.../pmu-events/arch/arm64/cortex-a53/memory.json | 22 +++
.../pmu-events/arch/arm64/cortex-a53/other.json | 32 +++++
.../pmu-events/arch/arm64/cortex-a53/pipeline.json | 52 +++++++
tools/perf/pmu-events/arch/arm64/mapfile.csv | 1 +
tools/perf/tests/backward-ring-buffer.c | 7 +-
.../perf/tests/shell/trace+probe_libc_inet_pton.sh | 23 +++-
tools/perf/ui/browsers/hists.c | 38 ++++--
tools/perf/ui/browsers/hists.h | 3 +-
tools/perf/util/evlist.c | 17 ---
tools/perf/util/evlist.h | 4 -
tools/perf/util/evsel.c | 12 +-
tools/perf/util/evsel.h | 14 ++
tools/perf/util/hist.h | 6 +-
tools/perf/util/mmap.c | 141 ++++++++++---------
tools/perf/util/mmap.h | 10 +-
tools/perf/util/util.c | 24 +---
23 files changed, 492 insertions(+), 151 deletions(-)
create mode 100644 tools/perf/pmu-events/arch/arm64/cortex-a53/branch.json
create mode 100644 tools/perf/pmu-events/arch/arm64/cortex-a53/bus.json
create mode 100644 tools/perf/pmu-events/arch/arm64/cortex-a53/cache.json
create mode 100644 tools/perf/pmu-events/arch/arm64/cortex-a53/memory.json
create mode 100644 tools/perf/pmu-events/arch/arm64/cortex-a53/other.json
create mode 100644 tools/perf/pmu-events/arch/arm64/cortex-a53/pipeline.json

Test results:

The first ones are container (docker) based builds of tools/perf with and
without libelf support. Where clang is available, it is also used to build
perf with/without libelf.

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:edge : Ok gcc (Alpine 6.4.0) 6.4.0
5 amazonlinux:1 : Ok gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-11)
6 amazonlinux:2 : Ok gcc (GCC) 7.2.1 20170915 (Red Hat 7.2.1-2)
7 android-ndk:r12b-arm : Ok arm-linux-androideabi-gcc (GCC) 4.9.x 20150123 (prerelease)
8 android-ndk:r15c-arm : Ok arm-linux-androideabi-gcc (GCC) 4.9.x 20150123 (prerelease)
9 centos:5 : Ok gcc (GCC) 4.1.2 20080704 (Red Hat 4.1.2-55)
10 centos:6 : Ok gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-18)
11 centos:7 : Ok gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-16)
12 debian:7 : Ok gcc (Debian 4.7.2-5) 4.7.2
13 debian:8 : Ok gcc (Debian 4.9.2-10) 4.9.2
14 debian:9 : Ok gcc (Debian 6.3.0-18) 6.3.0 20170516
15 debian:experimental : Ok gcc (Debian 7.2.0-17) 7.2.1 20171205
16 debian:experimental-x-arm64 : Ok aarch64-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0
17 debian:experimental-x-mips : Ok mips-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0
18 debian:experimental-x-mips64 : Ok mips64-linux-gnuabi64-gcc (Debian 7.2.0-11) 7.2.0
19 debian:experimental-x-mipsel : Ok mipsel-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0
20 fedora:20 : Ok gcc (GCC) 4.8.3 20140911 (Red Hat 4.8.3-7)
21 fedora:21 : Ok gcc (GCC) 4.9.2 20150212 (Red Hat 4.9.2-6)
22 fedora:22 : Ok gcc (GCC) 5.3.1 20160406 (Red Hat 5.3.1-6)
23 fedora:23 : Ok gcc (GCC) 5.3.1 20160406 (Red Hat 5.3.1-6)
24 fedora:24 : Ok gcc (GCC) 6.3.1 20161221 (Red Hat 6.3.1-1)
25 fedora:24-x-ARC-uClibc : Ok arc-linux-gcc (ARCompact ISA Linux uClibc toolchain 2017.09-rc2) 7.1.1 20170710
26 fedora:25 : Ok gcc (GCC) 6.4.1 20170727 (Red Hat 6.4.1-1)
27 fedora:26 : Ok gcc (GCC) 7.2.1 20170915 (Red Hat 7.2.1-2)
28 fedora:27 : Ok gcc (GCC) 7.2.1 20170915 (Red Hat 7.2.1-2)
29 fedora:rawhide : Ok gcc (GCC) 7.2.1 20170829 (Red Hat 7.2.1-1)
30 gentoo-stage3-amd64:latest : Ok gcc (Gentoo 6.4.0-r1 p1.3) 6.4.0
31 mageia:5 : Ok gcc (GCC) 4.9.2
32 mageia:6 : Ok gcc (Mageia 5.4.0-5.mga6) 5.4.0
33 opensuse:42.1 : Ok gcc (SUSE Linux) 4.8.5
34 opensuse:42.2 : Ok gcc (SUSE Linux) 4.8.5
35 opensuse:42.3 : Ok gcc (SUSE Linux) 4.8.5
36 opensuse:tumbleweed : Ok gcc (SUSE Linux) 7.3.0
37 oraclelinux:6 : Ok gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-18)
38 oraclelinux:7 : Ok gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-16)
39 ubuntu:12.04.5 : Ok gcc (Ubuntu/Linaro 4.6.3-1ubuntu5) 4.6.3
40 ubuntu:14.04.4 : Ok gcc (Ubuntu 4.8.4-2ubuntu1~14.04.3) 4.8.4
41 ubuntu:14.04.4-x-linaro-arm64 : Ok aarch64-linux-gnu-gcc (Linaro GCC 5.4-2017.05) 5.4.1 20170404
42 ubuntu:15.04 : Ok gcc (Ubuntu 4.9.2-10ubuntu13) 4.9.2
43 ubuntu:16.04 : Ok gcc (Ubuntu 5.4.0-6ubuntu1~16.04.5) 5.4.0 20160609
44 ubuntu:16.04-x-arm : Ok arm-linux-gnueabihf-gcc (Ubuntu/Linaro 5.4.0-6ubuntu1~16.04.4) 5.4.0 20160609
45 ubuntu:16.04-x-arm64 : Ok aarch64-linux-gnu-gcc (Ubuntu/Linaro 5.4.0-6ubuntu1~16.04.4) 5.4.0 20160609
46 ubuntu:16.04-x-powerpc : Ok powerpc-linux-gnu-gcc (Ubuntu 5.4.0-6ubuntu1~16.04.4) 5.4.0 20160609
47 ubuntu:16.04-x-powerpc64 : Ok powerpc64-linux-gnu-gcc (Ubuntu/IBM 5.4.0-6ubuntu1~16.04.1) 5.4.0 20160609
48 ubuntu:16.04-x-powerpc64el : Ok powerpc64le-linux-gnu-gcc (Ubuntu/IBM 5.4.0-6ubuntu1~16.04.4) 5.4.0 20160609
49 ubuntu:16.04-x-s390 : Ok s390x-linux-gnu-gcc (Ubuntu 5.4.0-6ubuntu1~16.04.4) 5.4.0 20160609
50 ubuntu:16.10 : Ok gcc (Ubuntu 6.2.0-5ubuntu12) 6.2.0 20161005
51 ubuntu:17.04 : Ok gcc (Ubuntu 6.3.0-12ubuntu2) 6.3.0 20170406
52 ubuntu:17.10 : Ok gcc (Ubuntu 7.2.0-8ubuntu3) 7.2.0
53 ubuntu:18.04 : Ok gcc (Ubuntu 7.2.0-16ubuntu1) 7.2.0

# uname -a
Linux jouet 4.15.0-rc9+ #7 SMP Mon Jan 22 18:16:36 -03 2018 x86_64 x86_64 x86_64 GNU/Linux
# 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: Number of exit events of a simple workload : Ok
22: Software clock events period values : Ok
23: Object code reading : Ok
24: Sample parsing : Ok
25: Use a dummy software event to keep tracking : Ok
26: Parse with no sample_id_all bit set : Ok
27: Filter hist entries : Ok
28: Lookup mmap thread : Ok
29: Share thread mg : Ok
30: Sort output of hist entries : Ok
31: Cumulate child hist entries : Ok
32: Track with sched_switch : Ok
33: Filter fds with revents mask in a fdarray : Ok
34: Add fd to a fdarray, making it autogrow : Ok
35: kmod_path__parse : Ok
36: Thread map : Ok
37: LLVM search and compile :
37.1: Basic BPF llvm compile : Ok
37.2: kbuild searching : Ok
37.3: Compile source for BPF prologue generation : Ok
37.4: Compile source for BPF relocation : Ok
38: Session topology : Ok
39: BPF filter :
39.1: Basic BPF filtering : Ok
39.2: BPF pinning : Ok
39.3: BPF prologue generation : Ok
39.4: BPF relocation checker : Ok
40: Synthesize thread map : Ok
41: Remove thread map : Ok
42: Synthesize cpu map : Ok
43: Synthesize stat config : Ok
44: Synthesize stat : Ok
45: Synthesize stat round : Ok
46: Synthesize attr update : Ok
47: Event times : Ok
48: Read backward ring buffer : Ok
49: Print cpu map : Ok
50: Probe SDT events : Ok
51: is_printable_array : Ok
52: Print bitmap : Ok
53: perf hooks : Ok
54: builtin clang support : Skip (not compiled in)
55: unit_number__scnprintf : Ok
56: x86 rdpmc : Ok
57: Convert perf time to TSC : Ok
58: DWARF unwind : Ok
59: x86 instruction decoder - new instructions : Ok
60: Use vfs_getname probe to get syscall args filenames : Ok
61: probe libc's inet_pton & backtrace it with ping : Ok
62: Check open filename arg using perf trace + vfs_getname: Ok
63: Add vfs_getname probe to get syscall args filenames : Ok
#

$ make -C tools/perf build-test
make: Entering directory '/home/acme/git/perf/tools/perf'
- tarpkg: ./tests/perf-targz-src-pkg .
make_perf_o_O: make perf.o
make_no_auxtrace_O: make NO_AUXTRACE=1
make_no_newt_O: make NO_NEWT=1
make_no_libbpf_O: make NO_LIBBPF=1
make_with_clangllvm_O: make LIBCLANGLLVM=1
make_install_O: make install
make_no_slang_O: make NO_SLANG=1
make_util_pmu_bison_o_O: make util/pmu-bison.o
make_no_libunwind_O: make NO_LIBUNWIND=1
make_util_map_o_O: make util/map.o
make_debug_O: make DEBUG=1
make_static_O: make LDFLAGS=-static
make_with_babeltrace_O: make LIBBABELTRACE=1
make_install_bin_O: make install-bin
make_no_demangle_O: make NO_DEMANGLE=1
make_doc_O: make doc
make_install_prefix_O: make install prefix=/tmp/krava
make_help_O: make help
make_no_libaudit_O: make NO_LIBAUDIT=1
make_no_libbionic_O: make NO_LIBBIONIC=1
make_no_ui_O: make NO_NEWT=1 NO_SLANG=1 NO_GTK2=1
make_no_libperl_O: make NO_LIBPERL=1
make_clean_all_O: make clean all
make_no_libdw_dwarf_unwind_O: make NO_LIBDW_DWARF_UNWIND=1
make_install_prefix_slash_O: make install prefix=/tmp/krava/
make_no_libpython_O: make NO_LIBPYTHON=1
make_no_scripts_O: make NO_LIBPYTHON=1 NO_LIBPERL=1
make_no_libnuma_O: make NO_LIBNUMA=1
make_tags_O: make tags
make_pure_O: make
make_no_gtk2_O: make NO_GTK2=1
make_no_libelf_O: make NO_LIBELF=1
make_no_backtrace_O: make NO_BACKTRACE=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
OK
make: Leaving directory '/home/acme/git/perf/tools/perf'
$

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