From mboxrd@z Thu Jan 1 00:00:00 1970 From: Subject: [PATCH ] net: frag: print frag_mem_limit value in sockstat proc file Date: Tue, 29 Aug 2017 21:05:34 +0800 Message-ID: <1504011934-17308-1-git-send-email-liujian56@huawei.com> Mime-Version: 1.0 Content-Type: text/plain Cc: , , , , , To: Return-path: Received: from szxga05-in.huawei.com ([45.249.212.191]:5038 "EHLO szxga05-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751586AbdH2NG7 (ORCPT ); Tue, 29 Aug 2017 09:06:59 -0400 Sender: netdev-owner@vger.kernel.org List-ID: From: liujian >>From 6d7b857d5( net: use lib/percpu_counter API for fragmentation mem accounting), frag_mem_limit and sum_frag_mem_limit have different value if there are multiple NIC RX CPU. Print frag_mem_limit value, then we can get more debug info. Signed-off-by: liujian --- net/ipv4/proc.c | 3 ++- net/ipv6/proc.c | 3 ++- 2 files changed, 4 insertions(+), 2 deletions(-) diff --git a/net/ipv4/proc.c b/net/ipv4/proc.c index 43eb6567..370cda1 100644 --- a/net/ipv4/proc.c +++ b/net/ipv4/proc.c @@ -73,7 +73,8 @@ static int sockstat_seq_show(struct seq_file *seq, void *v) seq_printf(seq, "RAW: inuse %d\n", sock_prot_inuse_get(net, &raw_prot)); frag_mem = ip_frag_mem(net); - seq_printf(seq, "FRAG: inuse %u memory %u\n", !!frag_mem, frag_mem); + seq_printf(seq, "FRAG: inuse %u memory %u current mem_limit %d\n", + !!frag_mem, frag_mem, frag_mem_limit(&net->ipv4.frags)); return 0; } diff --git a/net/ipv6/proc.c b/net/ipv6/proc.c index e88bcb8..00680bc 100644 --- a/net/ipv6/proc.c +++ b/net/ipv6/proc.c @@ -48,7 +48,8 @@ static int sockstat6_seq_show(struct seq_file *seq, void *v) sock_prot_inuse_get(net, &udplitev6_prot)); seq_printf(seq, "RAW6: inuse %d\n", sock_prot_inuse_get(net, &rawv6_prot)); - seq_printf(seq, "FRAG6: inuse %u memory %u\n", !!frag_mem, frag_mem); + seq_printf(seq, "FRAG6: inuse %u memory %u current mem_limit %d\n", + !!frag_mem, frag_mem, frag_mem_limit(&net->ipv6.frags)); return 0; } -- 1.8.3.1