From: Arnaldo Carvalho de Melo <[email protected]> [root@sandy ~]# perf trace -e epoll_ctl 2.490 (0.003 ms): systemd-logind/586 epoll_ctl(epfd: 10, op: ADD, fd: 24, event: 0x7fff22314ef0) = 0 2.621 (0.003 ms): systemd-logind/586 epoll_ctl(epfd: 10, op: DEL, fd: 24 ) = 0 2.833 (0.010 ms): systemd-logind/586 epoll_ctl(epfd: 10, op: ADD, fd: 24, event: 0x7fff22314cd0) = 0 2.953 (0.002 ms): systemd-logind/586 epoll_ctl(epfd: 10, op: DEL, fd: 24 ) = 0 3.118 (0.002 ms): systemd-logind/586 epoll_ctl(epfd: 10, op: ADD, fd: 24, event: 0x7fff22314d20) = 0 4.762 (0.002 ms): systemd-logind/586 epoll_ctl(epfd: 10, op: DEL, fd: 24 ) = 0 ^C[root@sandy ~]#
Cc: Adrian Hunter <[email protected]> Cc: David Ahern <[email protected]> Cc: Frederic Weisbecker <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Mike Galbraith <[email protected]> Cc: Paul Mackerras <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Stephane Eranian <[email protected]> Link: http://lkml.kernel.org/n/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]> --- tools/perf/builtin-trace.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index f3ddbb008fb4..807e542da623 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -232,6 +232,9 @@ static size_t syscall_arg__scnprintf_futex_op(char *bf, size_t size, struct sysc #define SCA_FUTEX_OP syscall_arg__scnprintf_futex_op +static const char *epoll_ctl_ops[] = { [1] = "ADD", "DEL", "MOD", }; +static DEFINE_STRARRAY(epoll_ctl_ops); + static const char *itimers[] = { "REAL", "VIRTUAL", "PROF", }; static DEFINE_STRARRAY(itimers); @@ -543,6 +546,9 @@ 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 = "eventfd2", .errmsg = true, .arg_scnprintf = { [1] = SCA_EFD_FLAGS, /* flags */ }, }, { .name = "fcntl", .errmsg = true, -- 1.8.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
