diff --git a/tools/perf/util/scripting-engines/trace-event-python.c b/tools/perf/util/scripting-engines/trace-event-python.c index 7bb859202249..091bce67844c 100644 --- a/tools/perf/util/scripting-engines/trace-event-python.c +++ b/tools/perf/util/scripting-engines/trace-event-python.c @@ -682,7 +682,7 @@ 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); @@ -705,6 +705,7 @@ 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"); @@ -999,8 +1000,10 @@ 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)); @@ -1017,6 +1020,7 @@ 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) { @@ -1034,6 +1038,33 @@ 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 calls processor"); + } + tables->db_export_mode = true; /* * Reserve per symbol space for symbol->db_id via symbol__priv() diff --git a/tools/perf/util/thread-stack.c b/tools/perf/util/thread-stack.c index fc419a59c88b..825086aa9a08 100644 --- a/tools/perf/util/thread-stack.c +++ b/tools/perf/util/thread-stack.c @@ -25,19 +25,6 @@ #include "call-path.h" #include "thread-stack.h" -/** - * struct call_return_processor - provides a call-back to consume call-return - * information. - * @cpr: call path root - * @process: call-back that accepts call/return information - * @data: anonymous data for call-back - */ -struct call_return_processor { - struct call_path_root *cpr; - int (*process)(struct call_return *cr, void *data); - void *data; -}; - #define STACK_GROWTH 2048 /** diff --git a/tools/perf/util/thread-stack.h b/tools/perf/util/thread-stack.h index ec9beddfdbab..ad44c7944b8e 100644 --- a/tools/perf/util/thread-stack.h +++ b/tools/perf/util/thread-stack.h @@ -25,7 +25,6 @@ struct comm; struct ip_callchain; struct symbol; struct dso; -struct call_return_processor; struct comm; struct perf_sample; struct addr_location; @@ -68,6 +67,19 @@ struct call_return { u32 flags; }; +/** + * struct call_return_processor - provides a call-back to consume call-return + * information. + * @cpr: call path root + * @process: call-back that accepts call/return information + * @data: anonymous data for call-back + */ +struct call_return_processor { + struct call_path_root *cpr; + int (*process)(struct call_return *cr, void *data); + void *data; +}; + int thread_stack__event(struct thread *thread, u32 flags, u64 from_ip, u64 to_ip, u16 insn_len, u64 trace_nr); void thread_stack__set_trace_nr(struct thread *thread, u64 trace_nr);