: Display per-net info in sockstat file.
Subsystems (2)
PATCH 5/6 : Display per-net info in sockstat file.
Besides, now we can see per-net fragments statistics in the same file, since this stats is already per-net.
Signed-off-by Pavel Emelyanov <[email protected]>
--- net/ipv4/proc.c | 41 ++++++++++++++++++++++++++++++++++------- 1 files changed, 34 insertions(+), 7 deletions(-)
net/ipv4/proc.c +34 -7
@@ -51,27 +51,54 @@*/ static int sockstat_seq_show (struct seq_file *seq,void *v) { +struct net *net = seq->private; +socket_seq_show (seq);seq_printf (seq,"TCP: inuse %d orphan %d tw %d alloc %d mem %d\n" , -sock_prot_inuse_get (&init_net, &tcp_prot), +sock_prot_inuse_get (net, &tcp_prot),atomic_read (&tcp_orphan_count), tcp_death_row.tw_count,atomic_read (&tcp_sockets_allocated),atomic_read (&tcp_memory_allocated));seq_printf (seq,"UDP: inuse %d mem %d\n" , -sock_prot_inuse_get (&init_net, &udp_prot), +sock_prot_inuse_get (net, &udp_prot),atomic_read (&udp_memory_allocated));seq_printf (seq,"UDPLITE: inuse %d\n" , -sock_prot_inuse_get (&init_net, &udplite_prot)); +sock_prot_inuse_get (net, &udplite_prot));seq_printf (seq,"RAW: inuse %d\n" , -sock_prot_inuse_get (&init_net, &raw_prot)); +sock_prot_inuse_get (net, &raw_prot));seq_printf (seq,"FRAG: inuse %d memory %d\n" , -ip_frag_nqueues (&init_net),ip_frag_mem (&init_net)); +ip_frag_nqueues (net),ip_frag_mem (net));return 0 ; }static int sockstat_seq_open (struct inode *inode,struct file *file) { -return single_open (file, sockstat_seq_show,NULL ); +int err; +struct net *net; + + err = -ENXIO ; + net =get_proc_net (inode); +if (net ==NULL ) + goto err_net; + + err =single_open (file, sockstat_seq_show, net); +if (err <0 ) + goto err_open; + +return 0 ; + +err_open: +put_net (net); +err_net: +return err; +} + +static int sockstat_seq_release (struct inode *inode,struct file *file) +{ +struct net *net = ((struct seq_file *)file->private_data)->private; + +put_net (net); +return single_release (inode, file); }static const struct file_operations sockstat_seq_fops = {
@@ -79,7 +106,7 @@ static const struct file_operations sockstat_seq_fops = { .open = sockstat_seq_open, .read = seq_read, .llseek = seq_lseek, - .release = single_release, + .release = sockstat_seq_release, };/* snmp items */
Signature · 1 line
1.5.3.4
From: Pavel Emelyanov <[email protected]>
Date: Mon, 31 Mar 2008 16:19:01 +0400
Quoted 4 lines
Besides, now we can see per-net fragments statistics in the same file, since this stats is already per-net.
Signed-off-by Pavel Emelyanov <[email protected]>
Applied.