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From: Yafang Shao <laoar.shao@gmail.com>
To: ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org,
	kafai@fb.com, songliubraving@fb.com, yhs@fb.com,
	john.fastabend@gmail.com, kpsingh@kernel.org,
	akpm@linux-foundation.org, cl@linux.com, penberg@kernel.org,
	rientjes@google.com, iamjoonsoo.kim@lge.com, vbabka@suse.cz,
	hannes@cmpxchg.org, mhocko@kernel.org, vdavydov.dev@gmail.com,
	guro@fb.com
Cc: linux-mm@kvack.org, netdev@vger.kernel.org, bpf@vger.kernel.org,
	Yafang Shao <laoar.shao@gmail.com>,
	Joanne Koong <joannekoong@fb.com>
Subject: [PATCH RFC 1/9] bpftool: fix print error when show bpf man
Date: Tue,  8 Mar 2022 13:10:48 +0000	[thread overview]
Message-ID: <20220308131056.6732-2-laoar.shao@gmail.com> (raw)
In-Reply-To: <20220308131056.6732-1-laoar.shao@gmail.com>

If there is no btf_id or frozen, it will not show the pids,
but the pids doesn't depends on any one of them.

Fixes: 9330986c0300 ("bpf: Add bloom filter map implementation")
Signed-off-by: Yafang Shao <laoar.shao@gmail.com>
Cc: Joanne Koong <joannekoong@fb.com>
---
 tools/bpf/bpftool/map.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/tools/bpf/bpftool/map.c b/tools/bpf/bpftool/map.c
index e746642..0bba337 100644
--- a/tools/bpf/bpftool/map.c
+++ b/tools/bpf/bpftool/map.c
@@ -620,17 +620,14 @@ static int show_map_close_plain(int fd, struct bpf_map_info *info)
 					    u32_as_hash_field(info->id))
 			printf("\n\tpinned %s", (char *)entry->value);
 	}
-	printf("\n");
 
 	if (frozen_str) {
 		frozen = atoi(frozen_str);
 		free(frozen_str);
 	}
 
-	if (!info->btf_id && !frozen)
-		return 0;
-
-	printf("\t");
+	if (info->btf_id || frozen)
+		printf("\n\t");
 
 	if (info->btf_id)
 		printf("btf_id %d", info->btf_id);
-- 
1.8.3.1


  reply	other threads:[~2022-03-08 13:11 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-03-08 13:10 [PATCH RFC 0/9] bpf, mm: recharge bpf memory from offline memcg Yafang Shao
2022-03-08 13:10 ` Yafang Shao [this message]
2022-03-08 13:10 ` [PATCH RFC 2/9] bpftool: show memcg info of bpf map Yafang Shao
2022-03-08 13:10 ` [PATCH RFC 3/9] mm: add methord to charge kmalloc-ed address Yafang Shao
2022-03-08 13:10 ` [PATCH RFC 4/9] mm: add methord to charge vmalloc-ed address Yafang Shao
2022-03-08 13:10 ` [PATCH RFC 5/9] mm: add methord to charge percpu address Yafang Shao
2022-03-08 13:10 ` [PATCH RFC 6/9] bpf: add a helper to find map by id Yafang Shao
2022-03-08 13:10 ` [PATCH RFC 7/9] bpf: add BPF_MAP_RECHARGE syscall Yafang Shao
2022-03-08 13:10 ` [PATCH RFC 8/9] bpf: make bpf_map_{save, release}_memcg public Yafang Shao
2022-03-08 13:10 ` [PATCH RFC 9/9] bpf: support recharge for hash map Yafang Shao
2022-03-09  1:09 ` [PATCH RFC 0/9] bpf, mm: recharge bpf memory from offline memcg Roman Gushchin
2022-03-09 13:28   ` Yafang Shao
2022-03-09 23:35     ` Roman Gushchin
2022-03-10 13:20       ` Yafang Shao
2022-03-10 18:00         ` Roman Gushchin
2022-03-11 12:48           ` Yafang Shao
2022-03-11 17:49             ` Roman Gushchin
2022-03-12  6:45               ` Yafang Shao

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