From: Jiri Olsa <jolsa@redhat.com>
To: Song Liu <songliubraving@fb.com>
Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
ast@kernel.org, daniel@iogearbox.net, kernel-team@fb.com,
peterz@infradead.org, acme@redhat.com, jolsa@kernel.org,
namhyung@kernel.org
Subject: Re: [PATCH v3 perf,bpf 10/11] perf, bpf: enable annotation of bpf program
Date: Mon, 18 Feb 2019 00:05:25 +0100 [thread overview]
Message-ID: <20190217230525.GB7443@krava> (raw)
In-Reply-To: <20190215215354.3114006-11-songliubraving@fb.com>
On Fri, Feb 15, 2019 at 01:53:53PM -0800, Song Liu wrote:
SNIP
> diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
> index 70de8f6b3aee..078017d31ca9 100644
> --- a/tools/perf/util/annotate.c
> +++ b/tools/perf/util/annotate.c
> @@ -22,6 +22,7 @@
> #include "annotate.h"
> #include "evsel.h"
> #include "evlist.h"
> +#include "bpf-event.h"
> #include "block-range.h"
> #include "string2.h"
> #include "arch/common.h"
> @@ -29,6 +30,9 @@
> #include <pthread.h>
> #include <linux/bitops.h>
> #include <linux/kernel.h>
> +#include <bfd.h>
> +#include <dis-asm.h>
> +#include <bpf/libbpf.h>
>
> /* FIXME: For the HE_COLORSET */
> #include "ui/browser.h"
> @@ -1672,6 +1676,147 @@ static int dso__disassemble_filename(struct dso *dso, char *filename, size_t fil
> return 0;
> }
>
> +static void get_exec_path(char *tpath, size_t size)
> +{
> + const char *path = "/proc/self/exe";
> + ssize_t len;
> +
> + len = readlink(path, tpath, size - 1);
> + assert(len > 0);
> + tpath[len] = 0;
> +}
this is also used in write_cmdline, could you please
move it under util.c and use it in write_cmdline as well?
thanks,
jirka
> +
> +static int symbol__disassemble_bpf(struct symbol *sym,
> + struct annotate_args *args)
> +{
> + struct annotation *notes = symbol__annotation(sym);
> + struct annotation_options *opts = args->options;
> + struct bpf_prog_info_linear *info_linear;
> + struct bpf_prog_linfo *prog_linfo = NULL;
> + struct bpf_prog_info_node *info_node;
> + int len = sym->end - sym->start;
> + disassembler_ftype disassemble;
> + struct map *map = args->ms.map;
> + struct disassemble_info info;
> + struct dso *dso = map->dso;
> + int pc = 0, count, sub_id;
> + struct btf *btf = NULL;
> + char tpath[PATH_MAX];
> + size_t buf_size;
> + int nr_skip = 0;
> + __u64 arrays;
> + char *buf;
> + bfd *bfdf;
> + FILE *s;
nice triangle ;-)
SNIP
next prev parent reply other threads:[~2019-02-17 23:05 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-15 21:53 [PATCH v3 perf,bpf 00/11] perf annotation of BPF programs Song Liu
2019-02-15 21:53 ` [PATCH v3 perf,bpf 01/11] perf, bpf: consider events with attr.bpf_event as side-band events Song Liu
2019-02-15 21:53 ` [PATCH v3 perf,bpf 02/11] bpf: libbpf: introduce bpf_program__get_prog_info_linear() Song Liu
2019-02-15 21:53 ` [PATCH v3 perf,bpf 03/11] bpf: bpftool: use bpf_program__get_prog_info_linear() in prog.c:do_dump() Song Liu
2019-02-15 21:53 ` [PATCH v3 perf,bpf 04/11] perf, bpf: synthesize bpf events with bpf_program__get_prog_info_linear() Song Liu
2019-02-15 21:53 ` [PATCH v3 perf,bpf 05/11] perf, bpf: save bpf_prog_info in a rbtree in perf_env Song Liu
2019-02-17 23:05 ` Jiri Olsa
2019-02-19 5:52 ` Song Liu
2019-02-19 8:51 ` Jiri Olsa
2019-02-19 14:21 ` Song Liu
2019-02-17 23:05 ` Jiri Olsa
2019-02-17 23:06 ` Jiri Olsa
2019-02-15 21:53 ` [PATCH v3 perf,bpf 06/11] perf, bpf: save bpf_prog_info information as headers to perf.data Song Liu
2019-02-17 23:05 ` Jiri Olsa
2019-02-15 21:53 ` [PATCH v3 perf,bpf 07/11] perf, bpf: save btf in a rbtree in perf_env Song Liu
2019-02-15 21:53 ` [PATCH v3 perf,bpf 08/11] perf, bpf: save btf information as headers to perf.data Song Liu
2019-02-17 14:58 ` Namhyung Kim
2019-02-17 23:05 ` Jiri Olsa
2019-02-17 23:06 ` Jiri Olsa
2019-02-17 23:06 ` Jiri Olsa
2019-02-19 5:48 ` Song Liu
2019-02-15 21:53 ` [PATCH v3 perf,bpf 09/11] perf-top: add option --no-bpf-event Song Liu
2019-02-15 21:53 ` [PATCH v3 perf,bpf 10/11] perf, bpf: enable annotation of bpf program Song Liu
2019-02-17 23:05 ` Jiri Olsa [this message]
2019-02-17 23:06 ` Jiri Olsa
2019-02-17 23:06 ` Jiri Olsa
2019-02-17 23:06 ` Jiri Olsa
2019-02-17 23:06 ` Jiri Olsa
2019-02-15 21:53 ` [PATCH v3 perf,bpf 11/11] perf, bpf: save information about short living bpf programs Song Liu
2019-02-17 23:05 ` Jiri Olsa
2019-02-17 21:57 ` [PATCH v3 perf,bpf 00/11] perf annotation of BPF programs Jiri Olsa
2019-02-17 22:04 ` Jiri Olsa
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20190217230525.GB7443@krava \
--to=jolsa@redhat.com \
--cc=acme@redhat.com \
--cc=ast@kernel.org \
--cc=daniel@iogearbox.net \
--cc=jolsa@kernel.org \
--cc=kernel-team@fb.com \
--cc=linux-kernel@vger.kernel.org \
--cc=namhyung@kernel.org \
--cc=netdev@vger.kernel.org \
--cc=peterz@infradead.org \
--cc=songliubraving@fb.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).