OSDN Git Service

perf trace augmented_syscalls: Augment bind's 'myaddr' sockaddr arg
authorArnaldo Carvalho de Melo <acme@redhat.com>
Tue, 28 Aug 2018 20:03:53 +0000 (17:03 -0300)
committerArnaldo Carvalho de Melo <acme@redhat.com>
Thu, 30 Aug 2018 18:52:20 +0000 (15:52 -0300)
commit02ef288420775542316e41dc610a6a88725aa83a
treea03bb65299e754d1d8e3308019b5a0ba9b793fec
parent24a6c2cd1dbd85bd5624a6d0b05de891d0f07696
perf trace augmented_syscalls: Augment bind's 'myaddr' sockaddr arg

One more, to reuse the augmented_sockaddr_syscall_enter() macro
introduced from the augmentation of connect's sockaddr arg, also to get
a subset of the struct arg augmentations done using the manual method,
before switching to something automatic, using tracefs's format file or,
even better, BTF containing the syscall args structs.

  # perf trace -e tools/perf/examples/bpf/augmented_syscalls.c
     0.000 sshd/11479 bind(fd: 3<socket:[170336]>, umyaddr: { .family: NETLINK }, addrlen: 12)
     1.752 sshd/11479 bind(fd: 3<socket:[170336]>, umyaddr: { .family: INET, port: 22, addr: 0.0.0.0 }, addrlen: 16)
     1.924 sshd/11479 bind(fd: 4<socket:[170338]>, umyaddr: { .family: INET6, port: 22, addr: :: }, addrlen: 28)
  ^C#

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: https://lkml.kernel.org/n/tip-a2drqpahpmc7uwb3n3gj2plu@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
tools/perf/builtin-trace.c
tools/perf/examples/bpf/augmented_syscalls.c