From: tip-bot for Arnaldo Carvalho de Melo <tipbot@zytor.com>
To: linux-tip-commits@vger.kernel.org
Cc: tglx@linutronix.de, ast@kernel.org, linux-kernel@vger.kernel.org,
daniel@iogearbox.net, hpa@zytor.com, dsahern@gmail.com,
acme@redhat.com, peterz@infradead.org, mingo@kernel.org,
songliubraving@fb.com
Subject: [tip:perf/core] perf top: Synthesize BPF events for pre-existing loaded BPF programs
Date: Tue, 22 Jan 2019 02:22:41 -0800 [thread overview]
Message-ID: <tip-a40b95bcd30cf77c6c7a00f879dfecbded47b3bd@git.kernel.org> (raw)
In-Reply-To: <20190117161521.1341602-9-songliubraving@fb.com>
Commit-ID: a40b95bcd30cf77c6c7a00f879dfecbded47b3bd
Gitweb: https://git.kernel.org/tip/a40b95bcd30cf77c6c7a00f879dfecbded47b3bd
Author: Arnaldo Carvalho de Melo <acme@redhat.com>
AuthorDate: Thu, 17 Jan 2019 08:15:20 -0800
Committer: Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Mon, 21 Jan 2019 17:38:56 -0300
perf top: Synthesize BPF events for pre-existing loaded BPF programs
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);
next prev parent reply other threads:[~2019-01-22 10:23 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-17 16:15 [PATCH v11 perf, bpf-next 0/9] reveal invisible bpf programs Song Liu
2019-01-17 16:15 ` [PATCH v11 perf, bpf-next 1/9] perf, bpf: Introduce PERF_RECORD_KSYMBOL Song Liu
2019-01-22 10:18 ` [tip:perf/core] " tip-bot for Song Liu
2019-01-17 16:15 ` [PATCH v11 perf, bpf-next 2/9] sync tools/include/uapi/linux/perf_event.h Song Liu
2019-01-22 10:18 ` [tip:perf/core] tools headers uapi: Sync tools/include/uapi/linux/perf_event.h tip-bot for Song Liu
2019-01-17 16:15 ` [PATCH v11 perf, bpf-next 3/9] perf, bpf: introduce PERF_RECORD_BPF_EVENT Song Liu
2019-01-22 10:19 ` [tip:perf/core] perf, bpf: Introduce PERF_RECORD_BPF_EVENT tip-bot for Song Liu
2019-01-17 16:15 ` [PATCH v11 perf, bpf-next 4/9] sync tools/include/uapi/linux/perf_event.h Song Liu
2019-01-22 10:20 ` [tip:perf/core] tools headers uapi: Sync tools/include/uapi/linux/perf_event.h tip-bot for Song Liu
2019-01-17 16:15 ` [PATCH v11 perf, bpf-next 5/9] perf util: handle PERF_RECORD_KSYMBOL Song Liu
2019-01-18 14:45 ` Arnaldo Carvalho de Melo
2019-01-22 10:20 ` [tip:perf/core] perf tools: Handle PERF_RECORD_KSYMBOL tip-bot for Song Liu
2019-01-17 16:15 ` [PATCH v11 perf, bpf-next 6/9] perf util: handle PERF_RECORD_BPF_EVENT Song Liu
2019-01-18 14:46 ` Arnaldo Carvalho de Melo
2019-01-22 10:21 ` [tip:perf/core] perf tools: Handle PERF_RECORD_BPF_EVENT tip-bot for Song Liu
2019-01-17 16:15 ` [PATCH v11 perf, bpf-next 7/9] perf tools: synthesize PERF_RECORD_* for loaded BPF programs Song Liu
2019-01-18 14:46 ` Arnaldo Carvalho de Melo
2019-01-22 14:13 ` Arnaldo Carvalho de Melo
2019-01-22 14:31 ` Arnaldo Carvalho de Melo
2019-01-22 14:48 ` Arnaldo Carvalho de Melo
2019-01-22 14:51 ` Jiri Olsa
2019-01-22 14:58 ` Arnaldo Carvalho de Melo
2019-01-22 15:21 ` Jiri Olsa
2019-01-22 18:38 ` Song Liu
2019-01-22 19:15 ` Jiri Olsa
2019-01-22 19:24 ` Song Liu
2019-01-22 19:44 ` Jiri Olsa
2019-01-24 9:49 ` Arnaldo Carvalho de Melo
2019-01-22 10:22 ` [tip:perf/core] perf tools: Synthesize " tip-bot for Song Liu
2019-01-17 16:15 ` [PATCH v11 perf, bpf-next 8/9] perf top: Synthesize BPF events for pre-existing " Song Liu
2019-01-22 10:22 ` tip-bot for Arnaldo Carvalho de Melo [this message]
2019-01-17 16:15 ` [PATCH v11 perf, bpf-next 9/9] bpf: add module name [bpf] to ksymbols for bpf programs Song Liu
2019-01-22 10:23 ` [tip:perf/core] bpf: Add " tip-bot for Song Liu
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