From b2cc99fdaad20b6e787f0864a1ac7b14391f9fe6 Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Thu, 12 Sep 2013 11:54:48 -0300 Subject: [PATCH] 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 Cc: David Ahern Cc: Frederic Weisbecker Cc: Jiri Olsa Cc: Mike Galbraith Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lkml.kernel.org/n/tip-h25k5k50nac0ej5cl5iwgvae@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-trace.c | 67 +++++++++++++++++++++++++++++++++++++- 1 file changed, 66 insertions(+), 1 deletion(-) diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index 516f6b39b4b6..c400fbee1fc7 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -319,6 +319,60 @@ static size_t syscall_arg__scnprintf_socket_type(char *bf, size_t size, #define SCA_SK_TYPE syscall_arg__scnprintf_socket_type +#ifndef MSG_PROBE +#define MSG_PROBE 0x10 +#endif +#ifndef MSG_SENDPAGE_NOTLAST +#define MSG_SENDPAGE_NOTLAST 0x20000 +#endif +#ifndef MSG_FASTOPEN +#define MSG_FASTOPEN 0x20000000 +#endif + +static size_t syscall_arg__scnprintf_msg_flags(char *bf, size_t size, + struct syscall_arg *arg) +{ + int printed = 0, flags = arg->val; + + if (flags == 0) + return scnprintf(bf, size, "NONE"); +#define P_MSG_FLAG(n) \ + if (flags & MSG_##n) { \ + printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \ + flags &= ~MSG_##n; \ + } + + P_MSG_FLAG(OOB); + P_MSG_FLAG(PEEK); + P_MSG_FLAG(DONTROUTE); + P_MSG_FLAG(TRYHARD); + P_MSG_FLAG(CTRUNC); + P_MSG_FLAG(PROBE); + P_MSG_FLAG(TRUNC); + P_MSG_FLAG(DONTWAIT); + P_MSG_FLAG(EOR); + P_MSG_FLAG(WAITALL); + P_MSG_FLAG(FIN); + P_MSG_FLAG(SYN); + P_MSG_FLAG(CONFIRM); + P_MSG_FLAG(RST); + P_MSG_FLAG(ERRQUEUE); + P_MSG_FLAG(NOSIGNAL); + P_MSG_FLAG(MORE); + P_MSG_FLAG(WAITFORONE); + P_MSG_FLAG(SENDPAGE_NOTLAST); + P_MSG_FLAG(FASTOPEN); + P_MSG_FLAG(CMSG_CLOEXEC); +#undef P_MSG_FLAG + + if (flags) + printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags); + + return printed; +} + +#define SCA_MSG_FLAGS syscall_arg__scnprintf_msg_flags + static size_t syscall_arg__scnprintf_access_mode(char *bf, size_t size, struct syscall_arg *arg) { @@ -512,7 +566,12 @@ static struct syscall_fmt { .arg_parm = { [1] = &strarray__rlimit_resources, /* resource */ }, }, { .name = "pwrite", .errmsg = true, .alias = "pwrite64", }, { .name = "read", .errmsg = true, }, - { .name = "recvfrom", .errmsg = true, }, + { .name = "recvfrom", .errmsg = true, + .arg_scnprintf = { [3] = SCA_MSG_FLAGS, /* flags */ }, }, + { .name = "recvmmsg", .errmsg = true, + .arg_scnprintf = { [3] = SCA_MSG_FLAGS, /* flags */ }, }, + { .name = "recvmsg", .errmsg = true, + .arg_scnprintf = { [2] = SCA_MSG_FLAGS, /* flags */ }, }, { .name = "rt_sigaction", .errmsg = true, .arg_scnprintf = { [0] = SCA_SIGNUM, /* sig */ }, }, { .name = "rt_sigprocmask", .errmsg = true, @@ -523,6 +582,12 @@ static struct syscall_fmt { { .name = "rt_tgsigqueueinfo", .errmsg = true, .arg_scnprintf = { [2] = SCA_SIGNUM, /* sig */ }, }, { .name = "select", .errmsg = true, .timeout = true, }, + { .name = "sendmmsg", .errmsg = true, + .arg_scnprintf = { [3] = SCA_MSG_FLAGS, /* flags */ }, }, + { .name = "sendmsg", .errmsg = true, + .arg_scnprintf = { [2] = SCA_MSG_FLAGS, /* flags */ }, }, + { .name = "sendto", .errmsg = true, + .arg_scnprintf = { [3] = SCA_MSG_FLAGS, /* flags */ }, }, { .name = "setitimer", .errmsg = true, .arg_scnprintf = { [0] = SCA_STRARRAY, /* which */ }, .arg_parm = { [0] = &strarray__itimers, /* which */ }, }, -- GitLab