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perf tools: Add call information to Python export

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Add the ability to export detailed information about paired calls and
returns to Python db export and the export-to-postgresql.py script.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1414678188-14946-7-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Adrian Hunter 2014-10-30 16:09:47 +02:00 • committed by Arnaldo Carvalho de Melo
parent 88f50d602f
commit 6a70307ddc
3 changed files with 158 additions and 7 deletions
Download patch file Download diff file Expand all files Collapse all files

84
tools/perf/util/scripting-engines/trace-event-python.c
View file

@ -37,6 +37,7 @@
#include "../comm.h"
#include "../machine.h"
#include "../db-export.h"
#include "../thread-stack.h"
#include "../trace-event.h"
#include "../machine.h"
@ -68,6 +69,8 @@ struct tables {
PyObject *symbol_handler;
PyObject *branch_type_handler;
PyObject *sample_handler;
PyObject *call_path_handler;
PyObject *call_return_handler;
bool db_export_mode;
};
@ -720,6 +723,64 @@ static int python_export_sample(struct db_export *dbe,
return 0;
}
static int python_export_call_path(struct db_export *dbe, struct call_path *cp)
{
struct tables *tables = container_of(dbe, struct tables, dbe);
PyObject *t;
u64 parent_db_id, sym_db_id;
parent_db_id = cp->parent ? cp->parent->db_id : 0;
sym_db_id = cp->sym ? *(u64 *)symbol__priv(cp->sym) : 0;
t = tuple_new(4);
tuple_set_u64(t, 0, cp->db_id);
tuple_set_u64(t, 1, parent_db_id);
tuple_set_u64(t, 2, sym_db_id);
tuple_set_u64(t, 3, cp->ip);
call_object(tables->call_path_handler, t, "call_path_table");
Py_DECREF(t);
return 0;
}
static int python_export_call_return(struct db_export *dbe,
struct call_return *cr)
{
struct tables *tables = container_of(dbe, struct tables, dbe);
u64 comm_db_id = cr->comm ? cr->comm->db_id : 0;
PyObject *t;
t = tuple_new(11);
tuple_set_u64(t, 0, cr->db_id);
tuple_set_u64(t, 1, cr->thread->db_id);
tuple_set_u64(t, 2, comm_db_id);
tuple_set_u64(t, 3, cr->cp->db_id);
tuple_set_u64(t, 4, cr->call_time);
tuple_set_u64(t, 5, cr->return_time);
tuple_set_u64(t, 6, cr->branch_count);
tuple_set_u64(t, 7, cr->call_ref);
tuple_set_u64(t, 8, cr->return_ref);
tuple_set_u64(t, 9, cr->cp->parent->db_id);
tuple_set_s32(t, 10, cr->flags);
call_object(tables->call_return_handler, t, "call_return_table");
Py_DECREF(t);
return 0;
}
static int python_process_call_return(struct call_return *cr, void *data)
{
struct db_export *dbe = data;
return db_export__call_return(dbe, cr);
}
static void python_process_general_event(struct perf_sample *sample,
struct perf_evsel *evsel,
struct thread *thread,
@ -852,7 +913,9 @@ error:
static void set_table_handlers(struct tables *tables)
{
const char *perf_db_export_mode = "perf_db_export_mode";
PyObject *db_export_mode;
const char *perf_db_export_calls = "perf_db_export_calls";
PyObject *db_export_mode, *db_export_calls;
bool export_calls = false;
int ret;
memset(tables, 0, sizeof(struct tables));
@ -869,6 +932,23 @@ static void set_table_handlers(struct tables *tables)
if (!ret)
return;
tables->dbe.crp = NULL;
db_export_calls = PyDict_GetItemString(main_dict, perf_db_export_calls);
if (db_export_calls) {
ret = PyObject_IsTrue(db_export_calls);
if (ret == -1)
handler_call_die(perf_db_export_calls);
export_calls = !!ret;
}
if (export_calls) {
tables->dbe.crp =
call_return_processor__new(python_process_call_return,
&tables->dbe);
if (!tables->dbe.crp)
Py_FatalError("failed to create calls processor");
}
tables->db_export_mode = true;
/*
* Reserve per symbol space for symbol->db_id via symbol__priv()
@ -884,6 +964,8 @@ static void set_table_handlers(struct tables *tables)
SET_TABLE_HANDLER(symbol);
SET_TABLE_HANDLER(branch_type);
SET_TABLE_HANDLER(sample);
SET_TABLE_HANDLER(call_path);
SET_TABLE_HANDLER(call_return);
}
/*