diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config index 81f73f68d256..5271a4c1d2b3 100644 --- a/tools/perf/Makefile.config +++ b/tools/perf/Makefile.config @@ -908,6 +908,11 @@ else endif CFLAGS += -DHAVE_LIBPYTHON_SUPPORT $(call detected,CONFIG_LIBPYTHON) + ifeq ($(filter -fPIC,$(CFLAGS)),) + # Building a shared library requires position independent code. + CFLAGS += -fPIC + CXXFLAGS += -fPIC + endif endif endif endif diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf index ff03f0431013..4a1a9f09fa09 100644 --- a/tools/perf/Makefile.perf +++ b/tools/perf/Makefile.perf @@ -715,9 +715,9 @@ all: shell_compatibility_test $(ALL_PROGRAMS) $(LANG_BINDINGS) $(OTHER_PROGRAMS) # Create python binding output directory if not already present $(shell [ -d '$(OUTPUT)python' ] || mkdir -p '$(OUTPUT)python') -$(OUTPUT)python/perf$(PYTHON_EXTENSION_SUFFIX): $(PYTHON_EXT_SRCS) $(PYTHON_EXT_DEPS) $(LIBPERF) $(LIBSUBCMD) +$(OUTPUT)python/perf$(PYTHON_EXTENSION_SUFFIX): $(PYTHON_EXT_SRCS) $(PYTHON_EXT_DEPS) $(PERFLIBS) $(QUIET_GEN)LDSHARED="$(CC) -pthread -shared" \ - CFLAGS='$(CFLAGS)' LDFLAGS='$(LDFLAGS)' \ + CFLAGS='$(CFLAGS)' LDFLAGS='$(LDFLAGS) $(LIBS)' \ $(PYTHON_WORD) util/setup.py \ --quiet build_ext; \ cp $(PYTHON_EXTBUILD_LIB)perf*.so $(OUTPUT)python/ @@ -933,7 +933,7 @@ $(LIBAPI)-clean: $(LIBBPF): FORCE | $(LIBBPF_OUTPUT) $(Q)$(MAKE) -C $(LIBBPF_DIR) FEATURES_DUMP=$(FEATURE_DUMP_EXPORT) \ O= OUTPUT=$(LIBBPF_OUTPUT)/ DESTDIR=$(LIBBPF_DESTDIR) prefix= subdir= \ - $@ install_headers + EXTRA_CFLAGS="-fPIC" $@ install_headers $(LIBBPF)-clean: $(call QUIET_CLEAN, libbpf) diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c index 88f98f2772fb..3be882b2e845 100644 --- a/tools/perf/util/python.c +++ b/tools/perf/util/python.c @@ -10,22 +10,19 @@ #endif #include #include "evlist.h" -#include "callchain.h" #include "evsel.h" #include "event.h" #include "print_binary.h" #include "thread_map.h" #include "trace-event.h" #include "mmap.h" -#include "stat.h" -#include "metricgroup.h" #include "util/bpf-filter.h" #include "util/env.h" -#include "util/pmu.h" -#include "util/pmus.h" -#include "util/symbol_conf.h" +#include "util/kvm-stat.h" +#include "util/kwork.h" +#include "util/lock-contention.h" #include -#include "util.h" +#include "../builtin.h" #if PY_MAJOR_VERSION < 3 #define _PyUnicode_FromString(arg) \ @@ -51,168 +48,6 @@ #define Py_TYPE(ob) (((PyObject*)(ob))->ob_type) #endif -struct symbol_conf symbol_conf; - -/* - * Avoid bringing in event parsing. - */ -int parse_event(struct evlist *evlist __maybe_unused, const char *str __maybe_unused) -{ - return 0; -} - -/* - * Provide these two so that we don't have to link against callchain.c and - * start dragging hist.c, etc. - */ -struct callchain_param callchain_param; - -int parse_callchain_record(const char *arg __maybe_unused, - struct callchain_param *param __maybe_unused) -{ - return 0; -} - -/* - * Add these not to drag util/env.c - */ -struct perf_env perf_env; - -const char *perf_env__cpuid(struct perf_env *env __maybe_unused) -{ - return NULL; -} - -// This one is a bit easier, wouldn't drag too much, but leave it as a stub we need it here -const char *perf_env__arch(struct perf_env *env __maybe_unused) -{ - return NULL; -} - -/* - * These ones are needed not to drag the PMU bandwagon, jevents generated - * pmu_sys_event_tables, etc and evsel__find_pmu() is used so far just for - * doing per PMU perf_event_attr.exclude_guest handling, not really needed, so - * far, for the perf python binding known usecases, revisit if this become - * necessary. - */ -struct perf_pmu *evsel__find_pmu(const struct evsel *evsel __maybe_unused) -{ - return NULL; -} - -int perf_pmu__scan_file(const struct perf_pmu *pmu, const char *name, const char *fmt, ...) -{ - return EOF; -} - -const char *perf_pmu__name_from_config(struct perf_pmu *pmu __maybe_unused, u64 config __maybe_unused) -{ - return NULL; -} - -struct perf_pmu *perf_pmus__find_by_type(unsigned int type __maybe_unused) -{ - return NULL; -} - -int perf_pmus__num_core_pmus(void) -{ - return 1; -} - -bool evsel__is_aux_event(const struct evsel *evsel __maybe_unused) -{ - return false; -} - -bool perf_pmus__supports_extended_type(void) -{ - return false; -} - -/* - * Add this one here not to drag util/metricgroup.c - */ -int metricgroup__copy_metric_events(struct evlist *evlist, struct cgroup *cgrp, - struct rblist *new_metric_events, - struct rblist *old_metric_events) -{ - return 0; -} - -/* - * Add this one here not to drag util/trace-event-info.c - */ -char *tracepoint_id_to_name(u64 config) -{ - return NULL; -} - -/* - * XXX: All these evsel destructors need some better mechanism, like a linked - * list of destructors registered when the relevant code indeed is used instead - * of having more and more calls in perf_evsel__delete(). -- acme - * - * For now, add some more: - * - * Not to drag the BPF bandwagon... - */ -void bpf_counter__destroy(struct evsel *evsel); -int bpf_counter__install_pe(struct evsel *evsel, int cpu, int fd); -int bpf_counter__disable(struct evsel *evsel); - -void bpf_counter__destroy(struct evsel *evsel __maybe_unused) -{ -} - -int bpf_counter__install_pe(struct evsel *evsel __maybe_unused, int cpu __maybe_unused, int fd __maybe_unused) -{ - return 0; -} - -int bpf_counter__disable(struct evsel *evsel __maybe_unused) -{ - return 0; -} - -// not to drag util/bpf-filter.c -#ifdef HAVE_BPF_SKEL -int perf_bpf_filter__prepare(struct evsel *evsel __maybe_unused) -{ - return 0; -} - -int perf_bpf_filter__destroy(struct evsel *evsel __maybe_unused) -{ - return 0; -} -#endif - -/* - * Support debug printing even though util/debug.c is not linked. That means - * implementing 'verbose' and 'eprintf'. - */ -int verbose; -int debug_kmaps; -int debug_peo_args; - -int eprintf(int level, int var, const char *fmt, ...); - -int eprintf(int level, int var, const char *fmt, ...) -{ - va_list args; - int ret = 0; - - if (var >= level) { - va_start(args, fmt); - ret = vfprintf(stderr, fmt, args); - va_end(args); - } - - return ret; -} - /* Define PyVarObject_HEAD_INIT for python 2.5 */ #ifndef PyVarObject_HEAD_INIT # define PyVarObject_HEAD_INIT(type, size) PyObject_HEAD_INIT(type) size, @@ -1513,15 +1348,102 @@ error: #endif } -/* - * Dummy, to avoid dragging all the test_attr infrastructure in the python - * binding. - */ -void test_attr__open(struct perf_event_attr *attr, pid_t pid, struct perf_cpu cpu, - int fd, int group_fd, unsigned long flags) + +/* The following are stubs to avoid dragging in builtin-* objects. */ +/* TODO: move the code out of the builtin-* file into util. */ + +unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH; + +bool kvm_entry_event(struct evsel *evsel __maybe_unused) +{ + return false; +} + +bool kvm_exit_event(struct evsel *evsel __maybe_unused) +{ + return false; +} + +bool exit_event_begin(struct evsel *evsel __maybe_unused, + struct perf_sample *sample __maybe_unused, + struct event_key *key __maybe_unused) +{ + return false; +} + +bool exit_event_end(struct evsel *evsel __maybe_unused, + struct perf_sample *sample __maybe_unused, + struct event_key *key __maybe_unused) +{ + return false; +} + +void exit_event_decode_key(struct perf_kvm_stat *kvm __maybe_unused, + struct event_key *key __maybe_unused, + char *decode __maybe_unused) { } -void evlist__free_stats(struct evlist *evlist) +int find_scripts(char **scripts_array __maybe_unused, char **scripts_path_array __maybe_unused, + int num __maybe_unused, int pathlen __maybe_unused) +{ + return -1; +} + +void perf_stat__set_no_csv_summary(int set __maybe_unused) { } + +void perf_stat__set_big_num(int set __maybe_unused) +{ +} + +int script_spec_register(const char *spec __maybe_unused, struct scripting_ops *ops __maybe_unused) +{ + return -1; +} + +arch_syscalls__strerrno_t *arch_syscalls__strerrno_function(const char *arch __maybe_unused) +{ + return NULL; +} + +struct kwork_work *perf_kwork_add_work(struct perf_kwork *kwork __maybe_unused, + struct kwork_class *class __maybe_unused, + struct kwork_work *key __maybe_unused) +{ + return NULL; +} + +void script_fetch_insn(struct perf_sample *sample __maybe_unused, + struct thread *thread __maybe_unused, + struct machine *machine __maybe_unused) +{ +} + +int perf_sample__sprintf_flags(u32 flags __maybe_unused, char *str __maybe_unused, + size_t sz __maybe_unused) +{ + return -1; +} + +bool match_callstack_filter(struct machine *machine __maybe_unused, u64 *callstack __maybe_unused) +{ + return false; +} + +struct lock_stat *lock_stat_find(u64 addr __maybe_unused) +{ + return NULL; +} + +struct lock_stat *lock_stat_findnew(u64 addr __maybe_unused, const char *name __maybe_unused, + int flags __maybe_unused) +{ + return NULL; +} + +int cmd_inject(int argc __maybe_unused, const char *argv[] __maybe_unused) +{ + return -1; +} diff --git a/tools/perf/util/setup.py b/tools/perf/util/setup.py index 3107f5aa8c9a..142e9d447ce7 100644 --- a/tools/perf/util/setup.py +++ b/tools/perf/util/setup.py @@ -60,7 +60,7 @@ class install_lib(_install_lib): cflags = getenv('CFLAGS', '').split() # switch off several checks (need to be at the end of cflags list) -cflags += ['-fno-strict-aliasing', '-Wno-write-strings', '-Wno-unused-parameter', '-Wno-redundant-decls', '-DPYTHON_PERF' ] +cflags += ['-fno-strict-aliasing', '-Wno-write-strings', '-Wno-unused-parameter', '-Wno-redundant-decls' ] if cc_is_clang: cflags += ["-Wno-unused-command-line-argument" ] else: @@ -72,36 +72,11 @@ cflags += [ "-Wno-declaration-after-statement" ] src_perf = getenv('srctree') + '/tools/perf' build_lib = getenv('PYTHON_EXTBUILD_LIB') build_tmp = getenv('PYTHON_EXTBUILD_TMP') -libtraceevent = getenv('LIBTRACEEVENT') -libapikfs = getenv('LIBAPI') -libperf = getenv('LIBPERF') - -ext_sources = [f.strip() for f in open('util/python-ext-sources') - if len(f.strip()) > 0 and f[0] != '#'] - -extra_libraries = [] - -if '-DHAVE_LIBTRACEEVENT' in cflags: - extra_libraries += [ 'traceevent' ] -else: - ext_sources.remove('util/trace-event.c') - ext_sources.remove('util/trace-event-parse.c') - -# use full paths with source files -ext_sources = list(map(lambda x: '%s/%s' % (src_perf, x) , ext_sources)) - -if '-DHAVE_LIBNUMA_SUPPORT' in cflags: - extra_libraries += [ 'numa' ] -if '-DHAVE_LIBCAP_SUPPORT' in cflags: - extra_libraries += [ 'cap' ] perf = Extension('perf', - sources = ext_sources, - include_dirs = ['util/include'], - libraries = extra_libraries, - extra_compile_args = cflags, - extra_objects = [ x for x in [libtraceevent, libapikfs, libperf] - if x is not None], + sources = [ src_perf + '/util/python.c' ], + include_dirs = ['util/include'], + extra_compile_args = cflags, ) setup(name='perf',