From: Jiri Olsa <jolsa@redhat.com>
To: Song Liu <songliubraving@fb.com>
Cc: bpf@vger.kernel.org, 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 v7 perf,bpf 12/15] perf, bpf: enable annotation of bpf program
Date: Mon, 11 Mar 2019 18:56:41 +0100 [thread overview]
Message-ID: <20190311175641.GA19721@krava> (raw)
In-Reply-To: <20190307175810.249857-13-songliubraving@fb.com>
On Thu, Mar 07, 2019 at 09:58:07AM -0800, Song Liu wrote:
SNIP
> + if (linfo && btf) {
> + srcline = btf__name_by_offset(btf, linfo->line_off);
> + nr_skip++;
> + } else
> + srcline = NULL;
> +
> + fprintf(s, "\n");
> + prev_buf_size = buf_size;
> + fflush(s);
> +
> + if (!opts->hide_src_code && srcline) {
> + args->offset = -1;
> + args->line = strdup(srcline);
> + args->line_nr = 0;
> + args->ms.sym = sym;
> + dl = disasm_line__new(args);
> + if (dl) {
> + annotation_line__add(&dl->al,
> + ¬es->src->source);
> + }
> + }
I still miss answer for why is the line added twice for
!opts->hide_src_code && srcline ? code up and down
jirka
> +
> + args->offset = pc;
> + args->line = buf + prev_buf_size;
> + args->line_nr = 0;
> + args->ms.sym = sym;
> + dl = disasm_line__new(args);
> + if (dl)
> + annotation_line__add(&dl->al, ¬es->src->source);
> +
> + pc += count;
> + } while (count > 0 && pc < len);
SNIP
next prev parent reply other threads:[~2019-03-11 17:56 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-07 17:57 [PATCH v7 perf,bpf 00/15] perf annotation of BPF programs Song Liu
2019-03-07 17:57 ` [PATCH v7 perf,bpf 01/15] perf, bpf: consider events with attr.bpf_event as side-band events Song Liu
2019-03-07 17:57 ` [PATCH v7 perf,bpf 02/15] bpf: libbpf: introduce bpf_program__get_prog_info_linear() Song Liu
2019-03-11 18:26 ` Arnaldo Carvalho de Melo
2019-03-11 20:45 ` Daniel Borkmann
2019-03-11 20:57 ` Arnaldo Carvalho de Melo
2019-03-12 11:20 ` Daniel Borkmann
2019-03-07 17:57 ` [PATCH v7 perf,bpf 03/15] bpf: bpftool: use bpf_program__get_prog_info_linear() in prog.c:do_dump() Song Liu
2019-03-07 17:57 ` [PATCH v7 perf,bpf 04/15] perf, bpf: synthesize bpf events with bpf_program__get_prog_info_linear() Song Liu
2019-03-07 17:58 ` [PATCH v7 perf,bpf 05/15] perf: change prototype of perf_event__synthesize_bpf_events() Song Liu
2019-03-07 17:58 ` [PATCH v7 perf,bpf 06/15] perf, bpf: save bpf_prog_info in a rbtree in perf_env Song Liu
2019-03-07 17:58 ` [PATCH v7 perf,bpf 07/15] perf, bpf: save bpf_prog_info information as headers to perf.data Song Liu
2019-03-11 17:56 ` Jiri Olsa
2019-03-11 18:05 ` Song Liu
2019-03-07 17:58 ` [PATCH v7 perf,bpf 08/15] perf, bpf: save btf in a rbtree in perf_env Song Liu
2019-03-07 17:58 ` [PATCH v7 perf,bpf 09/15] perf, bpf: save btf information as headers to perf.data Song Liu
2019-03-11 17:56 ` Jiri Olsa
2019-03-07 17:58 ` [PATCH v7 perf,bpf 10/15] perf-top: add option --no-bpf-event Song Liu
2019-03-07 17:58 ` [PATCH v7 perf,bpf 11/15] perf: add -lopcodes to feature-libbfd Song Liu
2019-03-07 23:26 ` Stanislav Fomichev
2019-03-07 23:47 ` Song Liu
2019-03-07 17:58 ` [PATCH v7 perf,bpf 12/15] perf, bpf: enable annotation of bpf program Song Liu
2019-03-11 17:56 ` Jiri Olsa [this message]
2019-03-11 18:04 ` Song Liu
2019-03-07 17:58 ` [PATCH v7 perf,bpf 13/15] perf, bpf: process PERF_BPF_EVENT_PROG_LOAD for annotation Song Liu
2019-03-07 17:58 ` [PATCH v7 perf,bpf 14/15] perf: introduce side band thread Song Liu
2019-03-11 17:57 ` Jiri Olsa
2019-03-07 17:58 ` [PATCH v7 perf,bpf 15/15] perf, bpf: save bpf_prog_info and btf of short living bpf programs Song Liu
2019-03-11 13:59 ` [PATCH v7 perf,bpf 00/15] perf annotation of BPF programs Jiri Olsa
2019-03-11 14:16 ` Song Liu
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