From 453350dd0f0245b91b1e43310f5966fb1c51e7bd Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Fri, 20 Sep 2013 12:13:37 -0300 Subject: [PATCH] perf trace: Add helper for syscalls with a single strarray arg In such cases just stating the (arg, name, array) is enough, reducing the size of the syscall formatters table. 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-3k53p6dv2sh4ydsc5k5otoia@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-trace.c | 40 +++++++++++++--------------------------- 1 file changed, 13 insertions(+), 27 deletions(-) diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index 2007c8c..8855207 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -562,6 +562,10 @@ static size_t syscall_arg__scnprintf_signum(char *bf, size_t size, struct syscal #define SCA_SIGNUM syscall_arg__scnprintf_signum +#define STRARRAY(arg, name, array) \ + .arg_scnprintf = { [arg] = SCA_STRARRAY, }, \ + .arg_parm = { [arg] = &strarray__##array, } + static struct syscall_fmt { const char *name; const char *alias; @@ -577,33 +581,23 @@ static struct syscall_fmt { { .name = "brk", .hexret = true, .arg_scnprintf = { [0] = SCA_HEX, /* brk */ }, }, { .name = "connect", .errmsg = true, }, - { .name = "epoll_ctl", .errmsg = true, - .arg_scnprintf = { [1] = SCA_STRARRAY, /* op */ }, - .arg_parm = { [1] = &strarray__epoll_ctl_ops, /* op */ }, }, + { .name = "epoll_ctl", .errmsg = true, STRARRAY(1, op, epoll_ctl_ops), }, { .name = "eventfd2", .errmsg = true, .arg_scnprintf = { [1] = SCA_EFD_FLAGS, /* flags */ }, }, - { .name = "fcntl", .errmsg = true, - .arg_scnprintf = { [1] = SCA_STRARRAY, /* cmd */ }, - .arg_parm = { [1] = &strarray__fcntl_cmds, /* cmd */ }, }, + { .name = "fcntl", .errmsg = true, STRARRAY(1, cmd, fcntl_cmds), }, { .name = "flock", .errmsg = true, .arg_scnprintf = { [1] = SCA_FLOCK, /* cmd */ }, }, { .name = "fstat", .errmsg = true, .alias = "newfstat", }, { .name = "fstatat", .errmsg = true, .alias = "newfstatat", }, { .name = "futex", .errmsg = true, .arg_scnprintf = { [1] = SCA_FUTEX_OP, /* op */ }, }, - { .name = "getitimer", .errmsg = true, - .arg_scnprintf = { [0] = SCA_STRARRAY, /* which */ }, - .arg_parm = { [0] = &strarray__itimers, /* which */ }, }, - { .name = "getrlimit", .errmsg = true, - .arg_scnprintf = { [0] = SCA_STRARRAY, /* resource */ }, - .arg_parm = { [0] = &strarray__rlimit_resources, /* resource */ }, }, + { .name = "getitimer", .errmsg = true, STRARRAY(0, which, itimers), }, + { .name = "getrlimit", .errmsg = true, STRARRAY(0, resource, rlimit_resources), }, { .name = "ioctl", .errmsg = true, .arg_scnprintf = { [2] = SCA_HEX, /* arg */ }, }, { .name = "kill", .errmsg = true, .arg_scnprintf = { [1] = SCA_SIGNUM, /* sig */ }, }, - { .name = "lseek", .errmsg = true, - .arg_scnprintf = { [2] = SCA_STRARRAY, /* whence */ }, - .arg_parm = { [2] = &strarray__whences, /* whence */ }, }, + { .name = "lseek", .errmsg = true, STRARRAY(2, whence, whences), }, { .name = "lstat", .errmsg = true, .alias = "newlstat", }, { .name = "madvise", .errmsg = true, .arg_scnprintf = { [0] = SCA_HEX, /* start */ @@ -629,9 +623,7 @@ static struct syscall_fmt { { .name = "poll", .errmsg = true, .timeout = true, }, { .name = "ppoll", .errmsg = true, .timeout = true, }, { .name = "pread", .errmsg = true, .alias = "pread64", }, - { .name = "prlimit64", .errmsg = true, - .arg_scnprintf = { [1] = SCA_STRARRAY, /* resource */ }, - .arg_parm = { [1] = &strarray__rlimit_resources, /* resource */ }, }, + { .name = "prlimit64", .errmsg = true, STRARRAY(1, resource, rlimit_resources), }, { .name = "pwrite", .errmsg = true, .alias = "pwrite64", }, { .name = "read", .errmsg = true, }, { .name = "recvfrom", .errmsg = true, @@ -642,9 +634,7 @@ static struct syscall_fmt { .arg_scnprintf = { [2] = SCA_MSG_FLAGS, /* flags */ }, }, { .name = "rt_sigaction", .errmsg = true, .arg_scnprintf = { [0] = SCA_SIGNUM, /* sig */ }, }, - { .name = "rt_sigprocmask", .errmsg = true, - .arg_scnprintf = { [0] = SCA_STRARRAY, /* how */ }, - .arg_parm = { [0] = &strarray__sighow, /* how */ }, }, + { .name = "rt_sigprocmask", .errmsg = true, STRARRAY(0, how, sighow), }, { .name = "rt_sigqueueinfo", .errmsg = true, .arg_scnprintf = { [1] = SCA_SIGNUM, /* sig */ }, }, { .name = "rt_tgsigqueueinfo", .errmsg = true, @@ -656,12 +646,8 @@ static struct syscall_fmt { .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 */ }, }, - { .name = "setrlimit", .errmsg = true, - .arg_scnprintf = { [0] = SCA_STRARRAY, /* resource */ }, - .arg_parm = { [0] = &strarray__rlimit_resources, /* resource */ }, }, + { .name = "setitimer", .errmsg = true, STRARRAY(0, which, itimers), }, + { .name = "setrlimit", .errmsg = true, STRARRAY(0, resource, rlimit_resources), }, { .name = "socket", .errmsg = true, .arg_scnprintf = { [0] = SCA_STRARRAY, /* family */ [1] = SCA_SK_TYPE, /* type */ }, -- 2.7.4