[PATCH] tools: Fix incorrect calculation of object size by sizeof

From: Li Dong
Date: Mon Jun 19 2023 - 04:21:28 EST


What we need to calculate is the size of the object, not the size of the
pointer.

Signed-off-by: Li Dong <lidong@xxxxxxxx>
---
tools/perf/util/scripting-engines/trace-event-python.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/perf/util/scripting-engines/trace-event-python.c b/tools/perf/util/scripting-engines/trace-event-python.c
index 59063ec98619..25fcd6630a4d 100644
--- a/tools/perf/util/scripting-engines/trace-event-python.c
+++ b/tools/perf/util/scripting-engines/trace-event-python.c
@@ -771,12 +771,12 @@ static void set_regs_in_dict(PyObject *dict,
int size = __sw_hweight64(attr->sample_regs_intr) * 28;
char *bf = malloc(size);

- regs_map(&sample->intr_regs, attr->sample_regs_intr, arch, bf, sizeof(bf));
+ regs_map(&sample->intr_regs, attr->sample_regs_intr, arch, bf, size);

pydict_set_item_string_decref(dict, "iregs",
_PyUnicode_FromString(bf));

- regs_map(&sample->user_regs, attr->sample_regs_user, arch, bf, sizeof(bf));
+ regs_map(&sample->user_regs, attr->sample_regs_user, arch, bf, size);

pydict_set_item_string_decref(dict, "uregs",
_PyUnicode_FromString(bf));
--
2.31.1.windows.1