diff options
Diffstat (limited to 'tapset/syscalls.stp')
| -rw-r--r-- | tapset/syscalls.stp | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/tapset/syscalls.stp b/tapset/syscalls.stp index 90cdbd0e..86f81abf 100644 --- a/tapset/syscalls.stp +++ b/tapset/syscalls.stp @@ -733,17 +733,28 @@ probe syscall.epoll_wait.return = kernel.function("compat_sys_epoll_wait").retur # eventfd _____________________________________________________ # long sys_eventfd(unsigned int count) -# -probe syscall.eventfd = kernel.function("SyS_eventfd").call !, +# SYSCALL_DEFINE2(eventfd2, unsigned int, count, int, flags) +probe syscall.eventfd = kernel.function("SyS_eventfd2").call !, + kernel.function("sys_eventfd2").call !, + kernel.function("SyS_eventfd").call !, kernel.function("sys_eventfd").call ? { - name = "eventfd" - argstr = sprint($count) + flags = @defined($flags) ? $flags : 0 + if (flags == 0) { + name = "eventfd" + argstr = sprint($count) + } else { + name = "eventfd2" + argstr = sprintf("%d, %s", $count, _eventfd2_flag_str(flags)) + } } -probe syscall.eventfd.return = kernel.function("SyS_eventfd").return !, +probe syscall.eventfd.return = kernel.function("SyS_eventfd2").return !, + kernel.function("sys_eventfd2").return !, + kernel.function("SyS_eventfd").return !, kernel.function("sys_eventfd").return ? { - name = "eventfd" + flags = @defined($flags) ? $flags : 0 + name = flags == 0 ? "eventfd" : "eventfd2" retstr = returnstr(1) } |