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linux/tools/perf
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Arnaldo Carvalho de Melo d0e7b0c71f perf scripting python: Avoid declaring function pointers with a visibility attribute 
To avoid this:

  util/scripting-engines/trace-event-python.c: In function 'python_start_script':
  util/scripting-engines/trace-event-python.c:1595:2: error: 'visibility' attribute ignored [-Werror=attributes]
   1595 |  PyMODINIT_FUNC (*initfunc)(void);
        |  ^~~~~~~~~~~~~~

That started breaking when building with PYTHON=python3 and these gcc
versions (I haven't checked with the clang ones, maybe it breaks there
as well):

  # export PERF_TARBALL=http://192.168.86.5/perf/perf-5.9.0.tar.xz
  # dm  fedora:33 fedora:rawhide
     1   107.80 fedora:33         : Ok   gcc (GCC) 10.2.1 20201005 (Red Hat 10.2.1-5), clang version 11.0.0 (Fedora 11.0.0-1.fc33)
     2    92.47 fedora:rawhide    : Ok   gcc (GCC) 10.2.1 20201016 (Red Hat 10.2.1-6), clang version 11.0.0 (Fedora 11.0.0-1.fc34)
  #

Avoid that by ditching that 'initfunc' function pointer with its:

    #define Py_EXPORTED_SYMBOL _attribute_ ((visibility ("default")))
    #define PyMODINIT_FUNC Py_EXPORTED_SYMBOL PyObject*

And just call PyImport_AppendInittab() at the end of the ifdef python3
block with the functions that were being attributed to that initfunc.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2020-11-03 08:32:43 -03:00
..
arch tools headers UAPI: Update process_madvise affected files 2020-11-03 08:29:30 -03:00
bench perf tools changes for v5.10: 1st batch 2020-10-17 11:47:46 -07:00
Documentation perf c2c: Update documentation for metrics reorganization 2020-10-15 12:02:12 -03:00
examples/bpf Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next 2020-01-28 16:02:33 -08:00
include/bpf perf bpf: Remove bpf/ subdir from bpf.h headers used to build bpf events 2020-02-18 10:13:28 -03:00
jvmti perf jvmti: Remove redundant jitdump line table entries 2020-05-29 16:51:38 -03:00
pmu-events perf vendor events: Fix DRAM_BW_Use 0 issue for CLX/SKX 2020-11-03 08:31:31 -03:00
python
scripts perf script: Add min, max to futex-contention output, in addition to avg 2020-09-23 12:58:53 -03:00
tests perf tools: Remove broken __no_tail_call attribute 2020-11-03 08:32:15 -03:00
trace perf trace: Use the autogenerated mmap 'prot' string/id table 2020-10-01 11:35:01 -03:00
ui perf top/report: Fix infinite loop in the TUI for grouped events 2020-09-01 12:15:52 -03:00
util perf scripting python: Avoid declaring function pointers with a visibility attribute 2020-11-03 08:32:43 -03:00
.gitignore .gitignore: add SPDX License Identifier 2020-03-25 11:50:48 +01:00
Build
builtin-annotate.c perf evsel: Rename perf_evsel__resort*() to evsel__resort*() 2020-05-28 10:03:24 -03:00
builtin-bench.c perf bench: Add build-id injection benchmark 2020-10-13 10:59:42 -03:00
builtin-buildid-cache.c perf tools: Pass build_id object to build_id__sprintf() 2020-10-14 08:46:22 -03:00
builtin-buildid-list.c perf session: Return error code for perf_session__new() function on failure 2019-09-20 15:58:11 -03:00
builtin-c2c.c perf c2c: Add metrics "RMT Load Hit" 2020-10-15 09:34:51 -03:00
builtin-config.c perf tools: Remove util.h from where it is not needed 2019-09-20 09:19:20 -03:00
builtin-data.c perf data: Add support to store time of day in CTF data conversion 2020-08-06 09:43:37 -03:00
builtin-diff.c perf diff: Support hot streams comparison 2020-10-14 13:34:48 -03:00
builtin-evlist.c perf evsel: Rename perf_evsel__fprintf() to evsel__fprintf() 2020-05-28 10:03:24 -03:00
builtin-ftrace.c perf: ftrace: Add filter support for option -F/--funcs 2020-09-04 16:11:16 -03:00
builtin-help.c perf debug: Remove needless include directives from debug.h 2019-08-31 19:10:19 -03:00
builtin-inject.c perf tools: Pass build_id object to filename__read_build_id() 2020-10-14 08:45:16 -03:00
builtin-kallsyms.c perf dsos: Move the dsos struct and its methods to separate source files 2019-08-31 22:24:10 -03:00
builtin-kmem.c perf kmem: Pass additional arguments to 'perf record' 2020-07-10 09:37:55 -03:00
builtin-kvm.c perf evlist: Fix the class prefix for 'struct evlist' 'add' evsel methods 2020-06-22 16:28:09 -03:00
builtin-list.c perf list: Remove dead code in argument check 2020-09-09 11:12:10 -03:00
builtin-lock.c perf lock: Rename perf_evsel__*() operating on 'struct evsel *' to evsel__*() 2020-05-05 16:35:31 -03:00
builtin-mem.c perf c2c: Fix 'perf c2c record -e list' to show the default events used 2020-05-28 10:03:25 -03:00
builtin-probe.c perf probe: Do not show the skipped events 2020-05-28 10:03:24 -03:00
builtin-record.c perf tools: Consolidate close_control_option()'s into one function 2020-09-04 16:11:16 -03:00
builtin-report.c perf report: Disable ordered_events for raw dump 2020-09-01 12:20:25 -03:00
builtin-sched.c perf sched: Show start of latency as well 2020-10-13 11:01:42 -03:00
builtin-script.c perf script: Display negative tid in non-sample events 2020-09-17 16:06:22 -03:00
builtin-stat.c perf tools: Allow creation of cgroup without open 2020-09-28 09:18:06 -03:00
builtin-timechart.c perf tools: Replace zero-length array with flexible-array 2020-05-28 10:03:27 -03:00
builtin-top.c perf top: Skip side-band event setup if HAVE_LIBBPF_SUPPORT is not set 2020-08-21 10:22:23 -03:00
builtin-trace.c perf trace: Fix segfault when trying to trace events by cgroup 2020-11-03 08:31:03 -03:00
builtin-version.c perf tools: Make GTK2 support opt-in 2020-09-04 17:11:59 -03:00
builtin.h perf tools: Remove needless util.h include from builtin.h 2019-08-28 17:19:34 -03:00
check-headers.sh perf tools: Separate the checking of headers only used to build beautification tables 2020-09-29 08:56:38 -03:00
command-list.txt
CREDITS
design.txt perf tools: Support CAP_PERFMON capability 2020-04-16 12:19:08 -03:00
Makefile tools: Let O= makes handle a relative path with -C option 2020-03-06 17:08:28 -03:00
Makefile.config perf tools: Remove LTO compiler options when building perl support 2020-11-03 08:24:54 -03:00
Makefile.perf perf trace: Use the autogenerated mmap 'prot' string/id table 2020-10-01 11:35:01 -03:00
MANIFEST libperf: Move to tools/lib/perf 2020-01-06 11:46:09 -03:00
perf-archive.sh
perf-completion.sh
perf-read-vdso.c
perf-sys.h perf tests: Call test_attr__open() directly 2020-09-10 11:55:37 -03:00
perf-with-kcore.sh
perf.c libperf: Merge libperf_set_print() into libperf_init() 2019-09-25 09:51:49 -03:00
perf.h perf time-utils: Adopt rdclock() from perf.h 2019-08-29 17:38:32 -03:00