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perf trace: Beautify send/recv syscall 'flags' arg
[root@sandy ~]# perf trace -a -e recvmmsg,recvmsg,recvfrom,sendto,sendmsg,sendmmsg 6.901 (0.002 ms): 589 recvmsg(fd: 51, msg: 0x7fff35673420, flags: CMSG_CLOEXEC) = -1 EAGAIN Resource temporarily unavailable 6.966 (0.008 ms): 589 sendmsg(fd: 50, msg: 0x7fff35673230, flags: NOSIGNAL ) = 961 6.984 (0.004 ms): 979 sendmsg(fd: 3, msg: 0x7fff5b484940, flags: NOSIGNAL ) = 945 Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/n/tip-h25k5k50nac0ej5cl5iwgvae@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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@ -319,6 +319,60 @@ static size_t syscall_arg__scnprintf_socket_type(char *bf, size_t size,
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#define SCA_SK_TYPE syscall_arg__scnprintf_socket_type
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#ifndef MSG_PROBE
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#define MSG_PROBE 0x10
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#endif
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#ifndef MSG_SENDPAGE_NOTLAST
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#define MSG_SENDPAGE_NOTLAST 0x20000
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#endif
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#ifndef MSG_FASTOPEN
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#define MSG_FASTOPEN 0x20000000
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#endif
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static size_t syscall_arg__scnprintf_msg_flags(char *bf, size_t size,
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struct syscall_arg *arg)
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{
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int printed = 0, flags = arg->val;
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if (flags == 0)
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return scnprintf(bf, size, "NONE");
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#define P_MSG_FLAG(n) \
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if (flags & MSG_##n) { \
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printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \
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flags &= ~MSG_##n; \
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}
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P_MSG_FLAG(OOB);
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P_MSG_FLAG(PEEK);
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P_MSG_FLAG(DONTROUTE);
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P_MSG_FLAG(TRYHARD);
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P_MSG_FLAG(CTRUNC);
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P_MSG_FLAG(PROBE);
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P_MSG_FLAG(TRUNC);
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P_MSG_FLAG(DONTWAIT);
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P_MSG_FLAG(EOR);
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P_MSG_FLAG(WAITALL);
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P_MSG_FLAG(FIN);
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P_MSG_FLAG(SYN);
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P_MSG_FLAG(CONFIRM);
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P_MSG_FLAG(RST);
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P_MSG_FLAG(ERRQUEUE);
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P_MSG_FLAG(NOSIGNAL);
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P_MSG_FLAG(MORE);
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P_MSG_FLAG(WAITFORONE);
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P_MSG_FLAG(SENDPAGE_NOTLAST);
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P_MSG_FLAG(FASTOPEN);
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P_MSG_FLAG(CMSG_CLOEXEC);
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#undef P_MSG_FLAG
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if (flags)
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printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags);
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return printed;
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}
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#define SCA_MSG_FLAGS syscall_arg__scnprintf_msg_flags
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static size_t syscall_arg__scnprintf_access_mode(char *bf, size_t size,
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struct syscall_arg *arg)
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{
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@ -512,7 +566,12 @@ static struct syscall_fmt {
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.arg_parm = { [1] = &strarray__rlimit_resources, /* resource */ }, },
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{ .name = "pwrite", .errmsg = true, .alias = "pwrite64", },
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{ .name = "read", .errmsg = true, },
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{ .name = "recvfrom", .errmsg = true, },
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{ .name = "recvfrom", .errmsg = true,
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.arg_scnprintf = { [3] = SCA_MSG_FLAGS, /* flags */ }, },
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{ .name = "recvmmsg", .errmsg = true,
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.arg_scnprintf = { [3] = SCA_MSG_FLAGS, /* flags */ }, },
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{ .name = "recvmsg", .errmsg = true,
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.arg_scnprintf = { [2] = SCA_MSG_FLAGS, /* flags */ }, },
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{ .name = "rt_sigaction", .errmsg = true,
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.arg_scnprintf = { [0] = SCA_SIGNUM, /* sig */ }, },
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{ .name = "rt_sigprocmask", .errmsg = true,
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@ -523,6 +582,12 @@ static struct syscall_fmt {
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{ .name = "rt_tgsigqueueinfo", .errmsg = true,
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.arg_scnprintf = { [2] = SCA_SIGNUM, /* sig */ }, },
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{ .name = "select", .errmsg = true, .timeout = true, },
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{ .name = "sendmmsg", .errmsg = true,
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.arg_scnprintf = { [3] = SCA_MSG_FLAGS, /* flags */ }, },
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{ .name = "sendmsg", .errmsg = true,
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.arg_scnprintf = { [2] = SCA_MSG_FLAGS, /* flags */ }, },
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{ .name = "sendto", .errmsg = true,
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.arg_scnprintf = { [3] = SCA_MSG_FLAGS, /* flags */ }, },
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{ .name = "setitimer", .errmsg = true,
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.arg_scnprintf = { [0] = SCA_STRARRAY, /* which */ },
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.arg_parm = { [0] = &strarray__itimers, /* which */ }, },
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