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| author | Masami Hiramatsu <mhiramat@kernel.org> | 2017-12-29 11:47:55 +0900 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-01-02 14:27:30 -0500 |
| commit | ee549be6f061188f306133e3a66ce3d3c6758811 (patch) | |
| tree | e7a89d34f4eea551ab552240b4dc531382dd6731 /net/dccp/proto.c | |
| parent | fa4475f79251a0539e64c08b8b039be23d107dc9 (diff) | |
| download | linux-stable-ee549be6f061188f306133e3a66ce3d3c6758811.tar.gz linux-stable-ee549be6f061188f306133e3a66ce3d3c6758811.tar.bz2 linux-stable-ee549be6f061188f306133e3a66ce3d3c6758811.zip | |
net: dccp: Add DCCP sendmsg trace event
Add DCCP sendmsg trace event (dccp/dccp_probe) for
replacing dccpprobe. User can trace this event via
ftrace or perftools.
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/dccp/proto.c')
| -rw-r--r-- | net/dccp/proto.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/net/dccp/proto.c b/net/dccp/proto.c index 7a75a1d3568b..fa7e92e08920 100644 --- a/net/dccp/proto.c +++ b/net/dccp/proto.c @@ -38,6 +38,9 @@ #include "dccp.h" #include "feat.h" +#define CREATE_TRACE_POINTS +#include "trace.h" + DEFINE_SNMP_STAT(struct dccp_mib, dccp_statistics) __read_mostly; EXPORT_SYMBOL_GPL(dccp_statistics); @@ -761,6 +764,8 @@ int dccp_sendmsg(struct sock *sk, struct msghdr *msg, size_t len) int rc, size; long timeo; + trace_dccp_probe(sk, len); + if (len > dp->dccps_mss_cache) return -EMSGSIZE; |