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-rw-r--r--tools/perf/util/scripting-engines/trace-event-perl.c58
-rw-r--r--tools/perf/util/scripting-engines/trace-event-python.c120
2 files changed, 136 insertions, 42 deletions
diff --git a/tools/perf/util/scripting-engines/trace-event-perl.c b/tools/perf/util/scripting-engines/trace-event-perl.c
index 4c1b3d72a1d2..f80605eb1855 100644
--- a/tools/perf/util/scripting-engines/trace-event-perl.c
+++ b/tools/perf/util/scripting-engines/trace-event-perl.c
@@ -25,16 +25,16 @@
#include <ctype.h>
#include <errno.h>
-#include "../../perf.h"
#include "../util.h"
+#include <EXTERN.h>
+#include <perl.h>
+
+#include "../../perf.h"
#include "../thread.h"
#include "../event.h"
#include "../trace-event.h"
#include "../evsel.h"
-#include <EXTERN.h>
-#include <perl.h>
-
void boot_Perf__Trace__Context(pTHX_ CV *cv);
void boot_DynaLoader(pTHX_ CV *cv);
typedef PerlInterpreter * INTERP;
@@ -209,6 +209,10 @@ static void define_event_symbols(struct event_format *event,
define_symbolic_values(args->symbol.symbols, ev_name,
cur_field_name);
break;
+ case PRINT_HEX:
+ define_event_symbols(event, ev_name, args->hex.field);
+ define_event_symbols(event, ev_name, args->hex.size);
+ break;
case PRINT_BSTRING:
case PRINT_DYNAMIC_ARRAY:
case PRINT_STRING:
@@ -233,15 +237,16 @@ static void define_event_symbols(struct event_format *event,
define_event_symbols(event, ev_name, args->next);
}
-static inline struct event_format *find_cache_event(int type)
+static inline struct event_format *find_cache_event(struct perf_evsel *evsel)
{
static char ev_name[256];
struct event_format *event;
+ int type = evsel->attr.config;
if (events[type])
return events[type];
- events[type] = event = trace_find_event(type);
+ events[type] = event = evsel->tp_format;
if (!event)
return NULL;
@@ -252,22 +257,22 @@ static inline struct event_format *find_cache_event(int type)
return event;
}
-static void perl_process_tracepoint(union perf_event *pevent __unused,
+static void perl_process_tracepoint(union perf_event *perf_event __maybe_unused,
struct perf_sample *sample,
struct perf_evsel *evsel,
- struct machine *machine __unused,
- struct thread *thread)
+ struct machine *machine __maybe_unused,
+ struct addr_location *al)
{
struct format_field *field;
static char handler[256];
unsigned long long val;
unsigned long s, ns;
struct event_format *event;
- int type;
int pid;
int cpu = sample->cpu;
void *data = sample->raw_data;
unsigned long long nsecs = sample->time;
+ struct thread *thread = al->thread;
char *comm = thread->comm;
dSP;
@@ -275,13 +280,11 @@ static void perl_process_tracepoint(union perf_event *pevent __unused,
if (evsel->attr.type != PERF_TYPE_TRACEPOINT)
return;
- type = trace_parse_common_type(data);
-
- event = find_cache_event(type);
+ event = find_cache_event(evsel);
if (!event)
- die("ug! no event found for type %d", type);
+ die("ug! no event found for type %" PRIu64, evsel->attr.config);
- pid = trace_parse_common_pid(data);
+ pid = raw_field_value(event, "common_pid", data);
sprintf(handler, "%s::%s", event->system, event->name);
@@ -314,7 +317,8 @@ static void perl_process_tracepoint(union perf_event *pevent __unused,
offset = field->offset;
XPUSHs(sv_2mortal(newSVpv((char *)data + offset, 0)));
} else { /* FIELD_IS_NUMERIC */
- val = read_size(data + field->offset, field->size);
+ val = read_size(event, data + field->offset,
+ field->size);
if (field->flags & FIELD_IS_SIGNED) {
XPUSHs(sv_2mortal(newSViv(val)));
} else {
@@ -342,11 +346,11 @@ static void perl_process_tracepoint(union perf_event *pevent __unused,
LEAVE;
}
-static void perl_process_event_generic(union perf_event *pevent __unused,
+static void perl_process_event_generic(union perf_event *event,
struct perf_sample *sample,
- struct perf_evsel *evsel __unused,
- struct machine *machine __unused,
- struct thread *thread __unused)
+ struct perf_evsel *evsel,
+ struct machine *machine __maybe_unused,
+ struct addr_location *al __maybe_unused)
{
dSP;
@@ -356,7 +360,7 @@ static void perl_process_event_generic(union perf_event *pevent __unused,
ENTER;
SAVETMPS;
PUSHMARK(SP);
- XPUSHs(sv_2mortal(newSVpvn((const char *)pevent, pevent->header.size)));
+ XPUSHs(sv_2mortal(newSVpvn((const char *)event, event->header.size)));
XPUSHs(sv_2mortal(newSVpvn((const char *)&evsel->attr, sizeof(evsel->attr))));
XPUSHs(sv_2mortal(newSVpvn((const char *)sample, sizeof(*sample))));
XPUSHs(sv_2mortal(newSVpvn((const char *)sample->raw_data, sample->raw_size)));
@@ -368,14 +372,14 @@ static void perl_process_event_generic(union perf_event *pevent __unused,
LEAVE;
}
-static void perl_process_event(union perf_event *pevent,
+static void perl_process_event(union perf_event *event,
struct perf_sample *sample,
struct perf_evsel *evsel,
struct machine *machine,
- struct thread *thread)
+ struct addr_location *al)
{
- perl_process_tracepoint(pevent, sample, evsel, machine, thread);
- perl_process_event_generic(pevent, sample, evsel, machine, thread);
+ perl_process_tracepoint(event, sample, evsel, machine, al);
+ perl_process_event_generic(event, sample, evsel, machine, al);
}
static void run_start_sub(void)
@@ -448,7 +452,7 @@ static int perl_stop_script(void)
return 0;
}
-static int perl_generate_script(const char *outfile)
+static int perl_generate_script(struct pevent *pevent, const char *outfile)
{
struct event_format *event = NULL;
struct format_field *f;
@@ -495,7 +499,7 @@ static int perl_generate_script(const char *outfile)
fprintf(ofp, "sub trace_begin\n{\n\t# optional\n}\n\n");
fprintf(ofp, "sub trace_end\n{\n\t# optional\n}\n\n");
- while ((event = trace_find_next_event(event))) {
+ while ((event = trace_find_next_event(pevent, event))) {
fprintf(ofp, "sub %s::%s\n{\n", event->system, event->name);
fprintf(ofp, "\tmy (");
diff --git a/tools/perf/util/scripting-engines/trace-event-python.c b/tools/perf/util/scripting-engines/trace-event-python.c
index acb9795286c4..730c6630cba5 100644
--- a/tools/perf/util/scripting-engines/trace-event-python.c
+++ b/tools/perf/util/scripting-engines/trace-event-python.c
@@ -27,10 +27,12 @@
#include <errno.h>
#include "../../perf.h"
+#include "../evsel.h"
#include "../util.h"
#include "../event.h"
#include "../thread.h"
#include "../trace-event.h"
+#include "../evsel.h"
PyMODINIT_FUNC initperf_trace_context(void);
@@ -166,6 +168,10 @@ static void define_event_symbols(struct event_format *event,
define_values(PRINT_SYMBOL, args->symbol.symbols, ev_name,
cur_field_name);
break;
+ case PRINT_HEX:
+ define_event_symbols(event, ev_name, args->hex.field);
+ define_event_symbols(event, ev_name, args->hex.size);
+ break;
case PRINT_STRING:
break;
case PRINT_TYPE:
@@ -190,15 +196,21 @@ static void define_event_symbols(struct event_format *event,
define_event_symbols(event, ev_name, args->next);
}
-static inline struct event_format *find_cache_event(int type)
+static inline struct event_format *find_cache_event(struct perf_evsel *evsel)
{
static char ev_name[256];
struct event_format *event;
+ int type = evsel->attr.config;
+ /*
+ * XXX: Do we really need to cache this since now we have evsel->tp_format
+ * cached already? Need to re-read this "cache" routine that as well calls
+ * define_event_symbols() :-\
+ */
if (events[type])
return events[type];
- events[type] = event = trace_find_event(type);
+ events[type] = event = evsel->tp_format;
if (!event)
return NULL;
@@ -209,11 +221,12 @@ static inline struct event_format *find_cache_event(int type)
return event;
}
-static void python_process_event(union perf_event *pevent __unused,
+static void python_process_tracepoint(union perf_event *perf_event
+ __maybe_unused,
struct perf_sample *sample,
- struct perf_evsel *evsel __unused,
- struct machine *machine __unused,
- struct thread *thread)
+ struct perf_evsel *evsel,
+ struct machine *machine __maybe_unused,
+ struct addr_location *al)
{
PyObject *handler, *retval, *context, *t, *obj, *dict = NULL;
static char handler_name[256];
@@ -222,24 +235,22 @@ static void python_process_event(union perf_event *pevent __unused,
unsigned long s, ns;
struct event_format *event;
unsigned n = 0;
- int type;
int pid;
int cpu = sample->cpu;
void *data = sample->raw_data;
unsigned long long nsecs = sample->time;
+ struct thread *thread = al->thread;
char *comm = thread->comm;
t = PyTuple_New(MAX_FIELDS);
if (!t)
Py_FatalError("couldn't create Python tuple");
- type = trace_parse_common_type(data);
-
- event = find_cache_event(type);
+ event = find_cache_event(evsel);
if (!event)
- die("ug! no event found for type %d", type);
+ die("ug! no event found for type %d", (int)evsel->attr.config);
- pid = trace_parse_common_pid(data);
+ pid = raw_field_value(event, "common_pid", data);
sprintf(handler_name, "%s__%s", event->system, event->name);
@@ -284,7 +295,8 @@ static void python_process_event(union perf_event *pevent __unused,
offset = field->offset;
obj = PyString_FromString((char *)data + offset);
} else { /* FIELD_IS_NUMERIC */
- val = read_size(data + field->offset, field->size);
+ val = read_size(event, data + field->offset,
+ field->size);
if (field->flags & FIELD_IS_SIGNED) {
if ((long long)val >= LONG_MIN &&
(long long)val <= LONG_MAX)
@@ -328,6 +340,84 @@ static void python_process_event(union perf_event *pevent __unused,
Py_DECREF(t);
}
+static void python_process_general_event(union perf_event *perf_event
+ __maybe_unused,
+ struct perf_sample *sample,
+ struct perf_evsel *evsel,
+ struct machine *machine __maybe_unused,
+ struct addr_location *al)
+{
+ PyObject *handler, *retval, *t, *dict;
+ static char handler_name[64];
+ unsigned n = 0;
+ struct thread *thread = al->thread;
+
+ /*
+ * Use the MAX_FIELDS to make the function expandable, though
+ * currently there is only one item for the tuple.
+ */
+ t = PyTuple_New(MAX_FIELDS);
+ if (!t)
+ Py_FatalError("couldn't create Python tuple");
+
+ dict = PyDict_New();
+ if (!dict)
+ Py_FatalError("couldn't create Python dictionary");
+
+ snprintf(handler_name, sizeof(handler_name), "%s", "process_event");
+
+ handler = PyDict_GetItemString(main_dict, handler_name);
+ if (!handler || !PyCallable_Check(handler))
+ goto exit;
+
+ PyDict_SetItemString(dict, "ev_name", PyString_FromString(perf_evsel__name(evsel)));
+ PyDict_SetItemString(dict, "attr", PyString_FromStringAndSize(
+ (const char *)&evsel->attr, sizeof(evsel->attr)));
+ PyDict_SetItemString(dict, "sample", PyString_FromStringAndSize(
+ (const char *)sample, sizeof(*sample)));
+ PyDict_SetItemString(dict, "raw_buf", PyString_FromStringAndSize(
+ (const char *)sample->raw_data, sample->raw_size));
+ PyDict_SetItemString(dict, "comm",
+ PyString_FromString(thread->comm));
+ if (al->map) {
+ PyDict_SetItemString(dict, "dso",
+ PyString_FromString(al->map->dso->name));
+ }
+ if (al->sym) {
+ PyDict_SetItemString(dict, "symbol",
+ PyString_FromString(al->sym->name));
+ }
+
+ PyTuple_SetItem(t, n++, dict);
+ if (_PyTuple_Resize(&t, n) == -1)
+ Py_FatalError("error resizing Python tuple");
+
+ retval = PyObject_CallObject(handler, t);
+ if (retval == NULL)
+ handler_call_die(handler_name);
+exit:
+ Py_DECREF(dict);
+ Py_DECREF(t);
+}
+
+static void python_process_event(union perf_event *perf_event,
+ struct perf_sample *sample,
+ struct perf_evsel *evsel,
+ struct machine *machine,
+ struct addr_location *al)
+{
+ switch (evsel->attr.type) {
+ case PERF_TYPE_TRACEPOINT:
+ python_process_tracepoint(perf_event, sample, evsel,
+ machine, al);
+ break;
+ /* Reserve for future process_hw/sw/raw APIs */
+ default:
+ python_process_general_event(perf_event, sample, evsel,
+ machine, al);
+ }
+}
+
static int run_start_sub(void)
{
PyObject *handler, *retval;
@@ -438,7 +528,7 @@ out:
return err;
}
-static int python_generate_script(const char *outfile)
+static int python_generate_script(struct pevent *pevent, const char *outfile)
{
struct event_format *event = NULL;
struct format_field *f;
@@ -487,7 +577,7 @@ static int python_generate_script(const char *outfile)
fprintf(ofp, "def trace_end():\n");
fprintf(ofp, "\tprint \"in trace_end\"\n\n");
- while ((event = trace_find_next_event(event))) {
+ while ((event = trace_find_next_event(pevent, event))) {
fprintf(ofp, "def %s__%s(", event->system, event->name);
fprintf(ofp, "event_name, ");
fprintf(ofp, "context, ");
generated by cgit v1.2.3 (git 2.46.0) at 2025-08-14 18:23:28 +0000