[PATCH v9 perf, bpf-next 0/9] reveal invisible bpf programs · Song Liu <hidden> · 2019-01-16
[PATCH v9 perf, bpf-next 2/9] sync tools/include/uapi/linux/perf_event.h · Song Liu <hidden> · 2019-01-16
[PATCH v9 perf, bpf-next 8/9] perf top: Synthesize BPF events for pre-existing loaded BPF programs · Song Liu <hidden> · 2019-01-16
[PATCH v9 perf, bpf-next 5/9] perf util: handle PERF_RECORD_KSYMBOL · Song Liu <hidden> · 2019-01-16
Re: [PATCH v9 perf, bpf-next 5/9] perf util: handle PERF_RECORD_KSYMBOL · Arnaldo Carvalho de Melo <acme@kernel.org> · 2019-01-16
Re: [PATCH v9 perf, bpf-next 5/9] perf util: handle PERF_RECORD_KSYMBOL · Song Liu <hidden> · 2019-01-16
Re: [PATCH v9 perf, bpf-next 5/9] perf util: handle PERF_RECORD_KSYMBOL · Arnaldo Carvalho de Melo <acme@kernel.org> · 2019-01-16
Re: [PATCH v9 perf, bpf-next 5/9] perf util: handle PERF_RECORD_KSYMBOL · Song Liu <hidden> · 2019-01-16
[PATCH v9 perf, bpf-next 4/9] sync tools/include/uapi/linux/perf_event.h · Song Liu <hidden> · 2019-01-16
[PATCH v9 perf, bpf-next 3/9] perf, bpf: introduce PERF_RECORD_BPF_EVENT · Song Liu <hidden> · 2019-01-16
[PATCH v9 perf, bpf-next 1/9] perf, bpf: Introduce PERF_RECORD_KSYMBOL · Song Liu <hidden> · 2019-01-16
[PATCH v9 perf, bpf-next 7/9] perf tools: synthesize PERF_RECORD_* for loaded BPF programs · Song Liu <hidden> · 2019-01-16
Re: [PATCH v9 perf, bpf-next 7/9] perf tools: synthesize PERF_RECORD_* for loaded BPF programs · Arnaldo Carvalho de Melo <acme@kernel.org> · 2019-01-16
[PATCH v9 perf, bpf-next 9/9] bpf: add module name [bpf] to ksymbols for bpf programs · Song Liu <hidden> · 2019-01-16
[PATCH v9 perf, bpf-next 6/9] perf util: handle PERF_RECORD_BPF_EVENT · Song Liu <hidden> · 2019-01-16

STALE2812d

Revision v9 of 4 in this series.

Revisions (4)

2019-01-15 v8 [diff vs current]
2019-01-16 v9 current
2019-01-16 v10 [diff vs current]
2019-01-17 v11 [diff vs current]

[PATCH v9 perf, bpf-next 9/9] bpf: add module name [bpf] to ksymbols for bpf programs

From: Song Liu <hidden>
Date: 2019-01-16 00:15:10
Also in: lkml
Subsystem: the rest · Maintainer: Linus Torvalds

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

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

Signed-off-by: Song Liu <redacted>
---
 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