diff options
Diffstat (limited to 'tools/perf/util/scripting-engines/trace-event-python.c')
| -rw-r--r-- | tools/perf/util/scripting-engines/trace-event-python.c | 75 |
1 files changed, 53 insertions, 22 deletions
diff --git a/tools/perf/util/scripting-engines/trace-event-python.c b/tools/perf/util/scripting-engines/trace-event-python.c index 2c2697c5d025..0f4ef61f2ffa 100644 --- a/tools/perf/util/scripting-engines/trace-event-python.c +++ b/tools/perf/util/scripting-engines/trace-event-python.c @@ -30,7 +30,9 @@ #include <linux/bitmap.h> #include <linux/compiler.h> #include <linux/time64.h> +#ifdef HAVE_LIBTRACEEVENT #include <traceevent/event-parse.h> +#endif #include "../build-id.h" #include "../counts.h" @@ -87,18 +89,21 @@ PyMODINIT_FUNC initperf_trace_context(void); PyMODINIT_FUNC PyInit_perf_trace_context(void); #endif +#ifdef HAVE_LIBTRACEEVENT #define TRACE_EVENT_TYPE_MAX \ ((1 << (sizeof(unsigned short) * 8)) - 1) static DECLARE_BITMAP(events_defined, TRACE_EVENT_TYPE_MAX); -#define MAX_FIELDS 64 #define N_COMMON_FIELDS 7 -extern struct scripting_context *scripting_context; - static char *cur_field_name; static int zero_flag_atom; +#endif + +#define MAX_FIELDS 64 + +extern struct scripting_context *scripting_context; static PyObject *main_module, *main_dict; @@ -153,6 +158,26 @@ static PyObject *get_handler(const char *handler_name) return handler; } +static void call_object(PyObject *handler, PyObject *args, const char *die_msg) +{ + PyObject *retval; + + retval = PyObject_CallObject(handler, args); + if (retval == NULL) + handler_call_die(die_msg); + Py_DECREF(retval); +} + +static void try_call_object(const char *handler_name, PyObject *args) +{ + PyObject *handler; + + handler = get_handler(handler_name); + if (handler) + call_object(handler, args, handler_name); +} + +#ifdef HAVE_LIBTRACEEVENT static int get_argument_count(PyObject *handler) { int arg_count = 0; @@ -181,25 +206,6 @@ static int get_argument_count(PyObject *handler) return arg_count; } -static void call_object(PyObject *handler, PyObject *args, const char *die_msg) -{ - PyObject *retval; - - retval = PyObject_CallObject(handler, args); - if (retval == NULL) - handler_call_die(die_msg); - Py_DECREF(retval); -} - -static void try_call_object(const char *handler_name, PyObject *args) -{ - PyObject *handler; - - handler = get_handler(handler_name); - if (handler) - call_object(handler, args, handler_name); -} - static void define_value(enum tep_print_arg_type field_type, const char *ev_name, const char *field_name, @@ -379,6 +385,7 @@ static PyObject *get_field_numeric_entry(struct tep_event *event, obj = list; return obj; } +#endif static const char *get_dsoname(struct map *map) { @@ -906,6 +913,7 @@ static PyObject *get_perf_sample_dict(struct perf_sample *sample, return dict; } +#ifdef HAVE_LIBTRACEEVENT static void python_process_tracepoint(struct perf_sample *sample, struct evsel *evsel, struct addr_location *al, @@ -1035,6 +1043,16 @@ static void python_process_tracepoint(struct perf_sample *sample, Py_DECREF(t); } +#else +static void python_process_tracepoint(struct perf_sample *sample __maybe_unused, + struct evsel *evsel __maybe_unused, + struct addr_location *al __maybe_unused, + struct addr_location *addr_al __maybe_unused) +{ + fprintf(stderr, "Tracepoint events are not supported because " + "perf is not linked with libtraceevent.\n"); +} +#endif static PyObject *tuple_new(unsigned int sz) { @@ -1965,6 +1983,7 @@ static int python_stop_script(void) return 0; } +#ifdef HAVE_LIBTRACEEVENT static int python_generate_script(struct tep_handle *pevent, const char *outfile) { int i, not_first, count, nr_events; @@ -2155,6 +2174,18 @@ static int python_generate_script(struct tep_handle *pevent, const char *outfile return 0; } +#else +static int python_generate_script(struct tep_handle *pevent __maybe_unused, + const char *outfile __maybe_unused) +{ + fprintf(stderr, "Generating Python perf-script is not supported." + " Install libtraceevent and rebuild perf to enable it.\n" + "For example:\n # apt install libtraceevent-dev (ubuntu)" + "\n # yum install libtraceevent-devel (Fedora)" + "\n etc.\n"); + return -1; +} +#endif struct scripting_ops python_scripting_ops = { .name = "Python", |