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From: tip-bot for Song Liu <tipbot@zytor.com>
To: linux-tip-commits@vger.kernel.org
Cc: songliubraving@fb.com, tglx@linutronix.de, acme@redhat.com,
	linux-kernel@vger.kernel.org, hpa@zytor.com,
	daniel@iogearbox.net, peterz@infradead.org, mingo@kernel.org,
	ast@kernel.org
Subject: [tip:perf/core] bpf: Add module name [bpf] to ksymbols for bpf programs
Date: Tue, 22 Jan 2019 02:23:19 -0800	[thread overview]
Message-ID: <tip-6934058d9fb6c058fb5e5b11cdcb19834e205c91@git.kernel.org> (raw)
In-Reply-To: <20190117161521.1341602-10-songliubraving@fb.com>

Commit-ID:  6934058d9fb6c058fb5e5b11cdcb19834e205c91
Gitweb:     https://git.kernel.org/tip/6934058d9fb6c058fb5e5b11cdcb19834e205c91
Author:     Song Liu <songliubraving@fb.com>
AuthorDate: Thu, 17 Jan 2019 08:15:21 -0800
Committer:  Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Mon, 21 Jan 2019 17:38:56 -0300

bpf: Add module name [bpf] to ksymbols for bpf programs

With this patch, /proc/kallsyms will show BPF programs as

  <addr> t bpf_prog_<tag>_<name> [bpf]

Signed-off-by: Song Liu <songliubraving@fb.com>
Reviewed-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: kernel-team@fb.com
Cc: netdev@vger.kernel.org
Link: http://lkml.kernel.org/r/20190117161521.1341602-10-songliubraving@fb.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 kernel/kallsyms.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/kallsyms.c b/kernel/kallsyms.c
index f3a04994e063..14934afa9e68 100644
--- a/kernel/kallsyms.c
+++ b/kernel/kallsyms.c
@@ -494,7 +494,7 @@ static int get_ksymbol_ftrace_mod(struct kallsym_iter *iter)
 
 static int get_ksymbol_bpf(struct kallsym_iter *iter)
 {
-	iter->module_name[0] = '\0';
+	strlcpy(iter->module_name, "bpf", MODULE_NAME_LEN);
 	iter->exported = 0;
 	return bpf_get_kallsym(iter->pos - iter->pos_ftrace_mod_end,
 			       &iter->value, &iter->type,

      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 " 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:perf/core] " tip-bot for Arnaldo Carvalho de Melo
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-bot for Song Liu [this message]

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