diff options
Diffstat (limited to 'meta/recipes-kernel/systemtap/systemtap/tapset-linux-sendfile-syscall.patch')
| -rw-r--r-- | meta/recipes-kernel/systemtap/systemtap/tapset-linux-sendfile-syscall.patch | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/meta/recipes-kernel/systemtap/systemtap/tapset-linux-sendfile-syscall.patch b/meta/recipes-kernel/systemtap/systemtap/tapset-linux-sendfile-syscall.patch new file mode 100644 index 0000000..f945760 --- /dev/null +++ b/meta/recipes-kernel/systemtap/systemtap/tapset-linux-sendfile-syscall.patch @@ -0,0 +1,22 @@ +systemtap: Fixed probe syscall.sendfile failure + +compat_sendfile syscall is unavailable in kernels starting version 3.8. +Hence systemtap scripts like 'probe syscall.* { if (target()==pid()) log(name." ".argstr) }' fail. +This problem is solved by marking __syscall.compat_sendfile as optional in tapset/linux/syscalls2.stp + +Upstream-Status: Pending + +Signed-off-by: Mikhail Durnev <mikhail_durnev@mentor.com> + +diff -Naur old/tapset/linux/syscalls2.stp new/tapset/linux/syscalls2.stp +--- old/tapset/linux/syscalls2.stp 2014-04-21 01:28:41.000000000 -0500 ++++ new/tapset/linux/syscalls2.stp 2014-04-21 01:38:14.961233914 -0500 +@@ -1953,7 +1953,7 @@ + # COMPAT_SYSCALL_DEFINE4(sendfile64, int, out_fd, int, in_fd, + # compat_loff_t __user *, offset, compat_size_t, count) + # +-probe syscall.sendfile = __syscall.sendfile, __syscall.compat_sendfile ++probe syscall.sendfile = __syscall.sendfile, __syscall.compat_sendfile ? + { + name = "sendfile" + out_fd = __int32($out_fd) |
