On Tue, 26.05.15 09:49, Filipe Brandenburger (filbran...@google.com) wrote:
> Hi, > > On Sun, May 24, 2015 at 8:41 PM, cee1 <fykc...@gmail.com> wrote: > > I tried ureadahead, but got following error: > > > > """write(2, "ureadahead: Error while tracing:"..., 59ureadahead: Error > > while tracing: No such file or directory""" > > > > Needs an out-of-tree kernel patch? > > Yes, ureadahead needs an out-of-tree kernel patch to add trace events > for open(), exec() and uselib() syscalls that take file paths. > > http://bugs.launchpad.net/bugs/462111 > > AFAICT, this never went upstream because upstream was discussing a > generic approach of tracing any system calls, but I believe that never > really panned out... systemd-readahead used fanotify() which requires no kernel patching. fanotify is completely generic and perfect for this purpose... Lennart -- Lennart Poettering, Red Hat _______________________________________________ systemd-devel mailing list systemd-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/systemd-devel
