From: Song Liu <songliubraving@fb.com>
To: <linux-kernel@vger.kernel.org>, <netdev@vger.kernel.org>
Cc: Song Liu <songliubraving@fb.com>, <peterz@infradead.org>,
<acme@kernel.org>, <ast@kernel.org>, <daniel@iogearbox.net>,
<kernel-team@fb.com>, <dsahern@gmail.com>
Subject: [PATCH v9 perf, bpf-next 9/9] bpf: add module name [bpf] to ksymbols for bpf programs
Date: Tue, 15 Jan 2019 16:14:10 -0800 [thread overview]
Message-ID: <20190116001410.3522226-10-songliubraving@fb.com> (raw)
In-Reply-To: <20190116001410.3522226-1-songliubraving@fb.com>
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>
---
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,
--
2.17.1
prev parent reply other threads:[~2019-01-16 0:15 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-16 0:14 [PATCH v9 perf, bpf-next 0/9] reveal invisible bpf programs Song Liu
2019-01-16 0:14 ` [PATCH v9 perf, bpf-next 1/9] perf, bpf: Introduce PERF_RECORD_KSYMBOL Song Liu
2019-01-16 0:14 ` [PATCH v9 perf, bpf-next 2/9] sync tools/include/uapi/linux/perf_event.h Song Liu
2019-01-16 0:14 ` [PATCH v9 perf, bpf-next 3/9] perf, bpf: introduce PERF_RECORD_BPF_EVENT Song Liu
2019-01-16 0:14 ` [PATCH v9 perf, bpf-next 4/9] sync tools/include/uapi/linux/perf_event.h Song Liu
2019-01-16 0:14 ` [PATCH v9 perf, bpf-next 5/9] perf util: handle PERF_RECORD_KSYMBOL Song Liu
2019-01-16 14:00 ` Arnaldo Carvalho de Melo
2019-01-16 14:12 ` Song Liu
2019-01-16 14:22 ` Arnaldo Carvalho de Melo
2019-01-16 14:32 ` Song Liu
2019-01-16 0:14 ` [PATCH v9 perf, bpf-next 6/9] perf util: handle PERF_RECORD_BPF_EVENT Song Liu
2019-01-16 0:14 ` [PATCH v9 perf, bpf-next 7/9] perf tools: synthesize PERF_RECORD_* for loaded BPF programs Song Liu
2019-01-16 14:19 ` Arnaldo Carvalho de Melo
2019-01-16 0:14 ` [PATCH v9 perf, bpf-next 8/9] perf top: Synthesize BPF events for pre-existing " Song Liu
2019-01-16 0:14 ` Song Liu [this message]
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