From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Ingo Molnar <mingo@kernel.org>
Cc: Clark Williams <williams@redhat.com>,
linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org,
Arnaldo Carvalho de Melo <acme@redhat.com>,
Alexei Starovoitov <ast@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
David Ahern <dsahern@gmail.com>,
Peter Zijlstra <peterz@infradead.org>,
Song Liu <songliubraving@fb.com>,
kernel-team@fb.com, netdev@vger.kernel.org
Subject: [PATCH 21/24] perf top: Synthesize BPF events for pre-existing loaded BPF programs
Date: Mon, 21 Jan 2019 20:57:03 -0300 [thread overview]
Message-ID: <20190121235706.20005-22-acme@kernel.org> (raw)
In-Reply-To: <20190121235706.20005-1-acme@kernel.org>
From: Arnaldo Carvalho de Melo <acme@redhat.com>
So that we can resolve symbols and map names.
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: David Ahern <dsahern@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Song Liu <songliubraving@fb.com>
Cc: kernel-team@fb.com
Cc: netdev@vger.kernel.org
Link: http://lkml.kernel.org/r/20190117161521.1341602-9-songliubraving@fb.com
Signed-off-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/builtin-top.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index f64e312db787..5a486d4de56e 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -22,6 +22,7 @@
#include "perf.h"
#include "util/annotate.h"
+#include "util/bpf-event.h"
#include "util/config.h"
#include "util/color.h"
#include "util/drv_configs.h"
@@ -1215,6 +1216,12 @@ static int __cmd_top(struct perf_top *top)
init_process_thread(top);
+ ret = perf_event__synthesize_bpf_events(&top->tool, perf_event__process,
+ &top->session->machines.host,
+ &top->record_opts);
+ if (ret < 0)
+ pr_warning("Couldn't synthesize bpf events.\n");
+
machine__synthesize_threads(&top->session->machines.host, &opts->target,
top->evlist->threads, false,
top->nr_threads_synthesize);
--
2.20.1
next prev parent reply other threads:[~2019-01-21 23:59 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-21 23:56 [GIT PULL 00/24] perf/core improvements and fixes Arnaldo Carvalho de Melo
2019-01-21 23:56 ` [PATCH 01/24] perf tools: Replace automatic const char[] variables by statics Arnaldo Carvalho de Melo
2019-01-21 23:56 ` [PATCH 02/24] perf session: Rearrange perf_session__process_events function Arnaldo Carvalho de Melo
2019-01-21 23:56 ` [PATCH 03/24] perf session: Get rid of file_size variable Arnaldo Carvalho de Melo
2019-01-21 23:56 ` [PATCH 04/24] perf session: Add reader object Arnaldo Carvalho de Melo
2019-01-21 23:56 ` [PATCH 05/24] perf session: Add 'data_size' member to " Arnaldo Carvalho de Melo
2019-01-21 23:56 ` [PATCH 06/24] perf session: Add 'data_offset' " Arnaldo Carvalho de Melo
2019-01-21 23:56 ` [PATCH 07/24] perf session: Add reader__process_events function Arnaldo Carvalho de Melo
2019-01-21 23:56 ` [PATCH 08/24] perf: Remove duplicated workqueue.h include from perf_event.h Arnaldo Carvalho de Melo
2019-01-21 23:56 ` [PATCH 09/24] perf tools: Remove duplicate headers Arnaldo Carvalho de Melo
2019-01-21 23:56 ` [PATCH 10/24] perf report: Display arch specific diagnostic counter sets, starting with s390 Arnaldo Carvalho de Melo
2019-01-21 23:56 ` [PATCH 11/24] perf report: Display names in s390 diagnostic counter sets Arnaldo Carvalho de Melo
2019-01-21 23:56 ` [PATCH 12/24] perf report: Dump s390 counter set data to file Arnaldo Carvalho de Melo
2019-01-21 23:56 ` [PATCH 13/24] perf: Make perf_event_output() propagate the output() return Arnaldo Carvalho de Melo
2019-01-21 23:56 ` [PATCH 14/24] perf, bpf: Introduce PERF_RECORD_KSYMBOL Arnaldo Carvalho de Melo
2019-01-21 23:56 ` [PATCH 15/24] tools headers uapi: Sync tools/include/uapi/linux/perf_event.h Arnaldo Carvalho de Melo
2019-01-21 23:56 ` [PATCH 16/24] perf, bpf: Introduce PERF_RECORD_BPF_EVENT Arnaldo Carvalho de Melo
2019-01-21 23:56 ` [PATCH 17/24] tools headers uapi: Sync tools/include/uapi/linux/perf_event.h Arnaldo Carvalho de Melo
2019-01-21 23:57 ` [PATCH 18/24] perf tools: Handle PERF_RECORD_KSYMBOL Arnaldo Carvalho de Melo
2019-01-21 23:57 ` [PATCH 19/24] perf tools: Handle PERF_RECORD_BPF_EVENT Arnaldo Carvalho de Melo
2019-01-21 23:57 ` [PATCH 20/24] perf tools: Synthesize PERF_RECORD_* for loaded BPF programs Arnaldo Carvalho de Melo
2019-01-21 23:57 ` Arnaldo Carvalho de Melo [this message]
2019-01-21 23:57 ` [PATCH 22/24] bpf: Add module name [bpf] to ksymbols for bpf programs Arnaldo Carvalho de Melo
2019-01-21 23:57 ` [PATCH 23/24] perf python: Remove -fstack-clash-protection when building with some clang versions Arnaldo Carvalho de Melo
2019-01-21 23:57 ` [PATCH 24/24] perf utils: Move perf_config using routines from color.c to separate object Arnaldo Carvalho de Melo
2019-01-22 10:07 ` [GIT PULL 00/24] perf/core improvements and fixes Ingo Molnar
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=20190121235706.20005-22-acme@kernel.org \
--to=acme@kernel.org \
--cc=acme@redhat.com \
--cc=ast@kernel.org \
--cc=daniel@iogearbox.net \
--cc=dsahern@gmail.com \
--cc=kernel-team@fb.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-perf-users@vger.kernel.org \
--cc=mingo@kernel.org \
--cc=netdev@vger.kernel.org \
--cc=peterz@infradead.org \
--cc=songliubraving@fb.com \
--cc=williams@redhat.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).