[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <20160223172346.GA16460@krava.redhat.com>
Date: Tue, 23 Feb 2016 18:23:46 +0100
From: Jiri Olsa <jolsa@...hat.com>
To: Wang Nan <wangnan0@...wei.com>
Cc: Alexei Starovoitov <ast@...nel.org>,
Arnaldo Carvalho de Melo <acme@...hat.com>,
Arnaldo Carvalho de Melo <acme@...nel.org>,
Brendan Gregg <brendan.d.gregg@...il.com>,
Adrian Hunter <adrian.hunter@...el.com>,
Cody P Schafer <dev@...yps.com>,
"David S. Miller" <davem@...emloft.net>,
He Kuang <hekuang@...wei.com>,
Jérémie Galarneau
<jeremie.galarneau@...icios.com>, Jiri Olsa <jolsa@...nel.org>,
Kirill Smelkov <kirr@...edi.com>,
Li Zefan <lizefan@...wei.com>,
Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>,
Namhyung Kim <namhyung@...nel.org>,
Peter Zijlstra <peterz@...radead.org>, pi3orama@....com,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH 11/48] perf data: Support converting data from
bpf_perf_event_output()
On Mon, Feb 22, 2016 at 09:10:38AM +0000, Wang Nan wrote:
SNIP
> ---
> tools/perf/util/data-convert-bt.c | 112 +++++++++++++++++++++++++++++++++++++-
> 1 file changed, 111 insertions(+), 1 deletion(-)
>
> diff --git a/tools/perf/util/data-convert-bt.c b/tools/perf/util/data-convert-bt.c
> index b722e57..70f462d 100644
> --- a/tools/perf/util/data-convert-bt.c
> +++ b/tools/perf/util/data-convert-bt.c
> @@ -352,6 +352,84 @@ static int add_tracepoint_values(struct ctf_writer *cw,
> return ret;
> }
>
> +static int
> +add_bpf_output_values(struct bt_ctf_event_class *event_class,
> + struct bt_ctf_event *event,
> + struct perf_sample *sample)
> +{
> + struct bt_ctf_field_type *len_type, *seq_type;
> + struct bt_ctf_field *len_field, *seq_field;
> + unsigned int raw_size = sample->raw_size;
> + unsigned int nr_elements = raw_size / sizeof(u32);
> + unsigned int i;
> + int ret;
> +
> + if (nr_elements * sizeof(u32) != raw_size)
could this be IS_ALIGNED(raw_size, u32)
jirka
Powered by blists - more mailing lists