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| author | Yafang Shao <laoar.shao@gmail.com> | 2018-01-07 09:31:47 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-01-08 22:32:45 +0300 |
| commit | 0c3b34d804947fef7fb9e74912b7b7563729231e (patch) | |
| tree | aa02a016d596614cd3af0dd4df456bf3e9987e17 /include/trace | |
| parent | 23fe846f9a48d5375722b3bd060e0a02ad1ca7f1 (diff) | |
| download | linux-0c3b34d804947fef7fb9e74912b7b7563729231e.tar.xz | |
net: tracepoint: exposing sk_faimily in tracepoint inet_sock_set_state
As of now, there're two sk_family are traced with sock:inet_sock_set_state,
which are AF_INET and AF_INET6.
So the sk_family are exposed as well.
Then we can conveniently use it to do the filter.
Both sk_family and sk_protocol are showed in the printk message, so we need
not expose them as tracepoint arguments.
Suggested-by: Brendan Gregg <brendan.d.gregg@gmail.com>
Suggested-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Yafang Shao <laoar.shao@gmail.com>
Reviewed-by: Song Liu <songliubraving@fb.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/trace')
| -rw-r--r-- | include/trace/events/sock.h | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/include/trace/events/sock.h b/include/trace/events/sock.h index 3537c5f34d77..3176a3931107 100644 --- a/include/trace/events/sock.h +++ b/include/trace/events/sock.h @@ -11,7 +11,11 @@ #include <linux/ipv6.h> #include <linux/tcp.h> -/* The protocol traced by sock_set_state */ +#define family_names \ + EM(AF_INET) \ + EMe(AF_INET6) + +/* The protocol traced by inet_sock_set_state */ #define inet_protocol_names \ EM(IPPROTO_TCP) \ EM(IPPROTO_DCCP) \ @@ -37,6 +41,7 @@ #define EM(a) TRACE_DEFINE_ENUM(a); #define EMe(a) TRACE_DEFINE_ENUM(a); +family_names inet_protocol_names tcp_state_names @@ -45,6 +50,9 @@ tcp_state_names #define EM(a) { a, #a }, #define EMe(a) { a, #a } +#define show_family_name(val) \ + __print_symbolic(val, family_names) + #define show_inet_protocol_name(val) \ __print_symbolic(val, inet_protocol_names) @@ -118,6 +126,7 @@ TRACE_EVENT(inet_sock_set_state, __field(int, newstate) __field(__u16, sport) __field(__u16, dport) + __field(__u16, family) __field(__u8, protocol) __array(__u8, saddr, 4) __array(__u8, daddr, 4) @@ -134,6 +143,7 @@ TRACE_EVENT(inet_sock_set_state, __entry->oldstate = oldstate; __entry->newstate = newstate; + __entry->family = sk->sk_family; __entry->protocol = sk->sk_protocol; __entry->sport = ntohs(inet->inet_sport); __entry->dport = ntohs(inet->inet_dport); @@ -160,7 +170,8 @@ TRACE_EVENT(inet_sock_set_state, } ), - TP_printk("protocol=%s sport=%hu dport=%hu saddr=%pI4 daddr=%pI4 saddrv6=%pI6c daddrv6=%pI6c oldstate=%s newstate=%s", + TP_printk("family=%s protocol=%s sport=%hu dport=%hu saddr=%pI4 daddr=%pI4 saddrv6=%pI6c daddrv6=%pI6c oldstate=%s newstate=%s", + show_family_name(__entry->family), show_inet_protocol_name(__entry->protocol), __entry->sport, __entry->dport, __entry->saddr, __entry->daddr, |