perf python: Add missed explicit dependencies

Fix missing #include of pmus.h found while cleaning the evsel/evlist
header files.

Also define PY_SSIZE_T_CLEAN before including Python.h to comply with
modern Python 3 C-API requirements, and introduce CHECK_INITIALIZED
and CHECK_INITIALIZED_INT safety macros to be used by subsequent patches.

Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alice Rogers <alice.mei.rogers@gmail.com>
Cc: Dapeng Mi <dapeng1.mi@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@linaro.org>
Cc: Leo Yan <leo.yan@linux.dev>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Richter <tmricht@linux.ibm.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>

1 files changed, 32 insertions, 9 deletions

diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c
index cc1019d29a5d..98a8dd9b673d 100644
--- a/tools/perf/util/python.c
+++ b/tools/perf/util/python.c
@@ -1,30 +1,37 @@
 // SPDX-License-Identifier: GPL-2.0
+#define PY_SSIZE_T_CLEAN
 #include <Python.h>
-#include <structmember.h>
+
 #include <inttypes.h>
-#include <poll.h>
+
 #include <linux/err.h>
+#include <poll.h>
+
+#include <internal/lib.h>
 #include <perf/cpumap.h>
-#ifdef HAVE_LIBTRACEEVENT
-#include <event-parse.h>
-#endif
 #include <perf/mmap.h>
+#include <structmember.h>
+
 #include "callchain.h"
 #include "counts.h"
+#include "event.h"
 #include "evlist.h"
 #include "evsel.h"
-#include "event.h"
 #include "expr.h"
+#include "metricgroup.h"
+#include "mmap.h"
+#include "pmus.h"
 #include "print_binary.h"
 #include "record.h"
 #include "strbuf.h"
 #include "thread_map.h"
 #include "tp_pmu.h"
 #include "trace-event.h"
-#include "metricgroup.h"
-#include "mmap.h"
 #include "util/sample.h"
-#include <internal/lib.h>
+
+#ifdef HAVE_LIBTRACEEVENT
+#include <event-parse.h>
+#endif
 
 PyMODINIT_FUNC PyInit_perf(void);
 
@@ -38,6 +45,22 @@ PyMODINIT_FUNC PyInit_perf(void);
 	  offsetof(struct pyrf_event, sample) + offsetof(struct perf_sample, member), \
 	  0, help }
 
+#define CHECK_INITIALIZED(ptr, msg) \
+	do { \
+		if (!(ptr)) { \
+			PyErr_SetString(PyExc_ValueError, msg " not initialized"); \
+			return NULL; \
+		} \
+	} while (0)
+
+#define CHECK_INITIALIZED_INT(ptr, msg) \
+	do { \
+		if (!(ptr)) { \
+			PyErr_SetString(PyExc_ValueError, msg " not initialized"); \
+			return -1; \
+		} \
+	} while (0)
+
 struct pyrf_event {
 	PyObject_HEAD
 	struct evsel *evsel;