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    SubjectRe: [PATCH v12 2/4] trace/objtrace: Get the value of the object
    Hi,

    On Tue, 7 Jun 2022 00:09:41 +0800
    Jeff Xie <xiehuan09@gmail.com> wrote:

    > @@ -176,9 +275,27 @@ trace_object_trigger(struct event_trigger_data *data,
    >
    > field = obj_data->field;
    > memcpy(&obj, rec + field->offset, sizeof(obj));
    > - set_trace_object(obj, tr);
    > + /* set the offset from the special object and the type size of the value*/
    > + set_trace_object(obj, obj_data->obj_offset,
    > + obj_data->obj_value_type_size, tr);
    > }
    >
    > +static const struct objtrace_fetch_type objtrace_fetch_types[] = {
    > + {"u8", 1},
    > + {"s8", 1},
    > + {"x8", 1},
    > + {"u16", 2},
    > + {"s16", 2},
    > + {"x16", 2},
    > + {"u32", 4},
    > + {"s32", 4},
    > + {"x32", 4},
    > + {"u64", 8},
    > + {"s64", 8},
    > + {"x64", 8},
    > + {NULL, 0},
    > +};

    As I said before, please use only 'uX' types at this moment,
    since the objtrace event doesn't show the value with sign.
    This means it only supports 'uX'.

    Thank you,


    --
    Masami Hiramatsu (Google) <mhiramat@kernel.org>

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