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-rw-r--r--tools/perf/util/scripting-engines/trace-event-python.c47
1 files changed, 41 insertions, 6 deletions
diff --git a/tools/perf/util/scripting-engines/trace-event-python.c b/tools/perf/util/scripting-engines/trace-event-python.c
index fbd05242b..ff134700b 100644
--- a/tools/perf/util/scripting-engines/trace-event-python.c
+++ b/tools/perf/util/scripting-engines/trace-event-python.c
@@ -41,6 +41,7 @@
#include "../thread-stack.h"
#include "../trace-event.h"
#include "../machine.h"
+#include "../call-path.h"
#include "thread_map.h"
#include "cpumap.h"
#include "stat.h"
@@ -323,7 +324,7 @@ static PyObject *python_process_callchain(struct perf_sample *sample,
if (!symbol_conf.use_callchain || !sample->callchain)
goto exit;
- if (thread__resolve_callchain(al->thread, evsel,
+ if (thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
sample, NULL, NULL,
scripting_max_stack) != 0) {
pr_err("Failed to resolve callchain. Skipping\n");
@@ -407,8 +408,11 @@ static void python_process_tracepoint(struct perf_sample *sample,
if (!t)
Py_FatalError("couldn't create Python tuple");
- if (!event)
- die("ug! no event found for type %d", (int)evsel->attr.config);
+ if (!event) {
+ snprintf(handler_name, sizeof(handler_name),
+ "ug! no event found for type %" PRIu64, (u64)evsel->attr.config);
+ Py_FatalError(handler_name);
+ }
pid = raw_field_value(event, "common_pid", data);
@@ -614,7 +618,7 @@ static int python_export_dso(struct db_export *dbe, struct dso *dso,
struct machine *machine)
{
struct tables *tables = container_of(dbe, struct tables, dbe);
- char sbuild_id[BUILD_ID_SIZE * 2 + 1];
+ char sbuild_id[SBUILD_ID_SIZE];
PyObject *t;
build_id__sprintf(dso->build_id, sizeof(dso->build_id), sbuild_id);
@@ -681,7 +685,7 @@ static int python_export_sample(struct db_export *dbe,
struct tables *tables = container_of(dbe, struct tables, dbe);
PyObject *t;
- t = tuple_new(21);
+ t = tuple_new(22);
tuple_set_u64(t, 0, es->db_id);
tuple_set_u64(t, 1, es->evsel->db_id);
@@ -704,6 +708,7 @@ static int python_export_sample(struct db_export *dbe,
tuple_set_u64(t, 18, es->sample->data_src);
tuple_set_s32(t, 19, es->sample->flags & PERF_BRANCH_MASK);
tuple_set_s32(t, 20, !!(es->sample->flags & PERF_IP_FLAG_IN_TX));
+ tuple_set_u64(t, 21, es->call_path_id);
call_object(tables->sample_handler, t, "sample_table");
@@ -998,8 +1003,10 @@ static void set_table_handlers(struct tables *tables)
{
const char *perf_db_export_mode = "perf_db_export_mode";
const char *perf_db_export_calls = "perf_db_export_calls";
- PyObject *db_export_mode, *db_export_calls;
+ const char *perf_db_export_callchains = "perf_db_export_callchains";
+ PyObject *db_export_mode, *db_export_calls, *db_export_callchains;
bool export_calls = false;
+ bool export_callchains = false;
int ret;
memset(tables, 0, sizeof(struct tables));
@@ -1016,6 +1023,7 @@ static void set_table_handlers(struct tables *tables)
if (!ret)
return;
+ /* handle export calls */
tables->dbe.crp = NULL;
db_export_calls = PyDict_GetItemString(main_dict, perf_db_export_calls);
if (db_export_calls) {
@@ -1033,6 +1041,33 @@ static void set_table_handlers(struct tables *tables)
Py_FatalError("failed to create calls processor");
}
+ /* handle export callchains */
+ tables->dbe.cpr = NULL;
+ db_export_callchains = PyDict_GetItemString(main_dict,
+ perf_db_export_callchains);
+ if (db_export_callchains) {
+ ret = PyObject_IsTrue(db_export_callchains);
+ if (ret == -1)
+ handler_call_die(perf_db_export_callchains);
+ export_callchains = !!ret;
+ }
+
+ if (export_callchains) {
+ /*
+ * Attempt to use the call path root from the call return
+ * processor, if the call return processor is in use. Otherwise,
+ * we allocate a new call path root. This prevents exporting
+ * duplicate call path ids when both are in use simultaniously.
+ */
+ if (tables->dbe.crp)
+ tables->dbe.cpr = tables->dbe.crp->cpr;
+ else
+ tables->dbe.cpr = call_path_root__new();
+
+ if (!tables->dbe.cpr)
+ Py_FatalError("failed to create call path root");
+ }
+
tables->db_export_mode = true;
/*
* Reserve per symbol space for symbol->db_id via symbol__priv()