Messages in this thread | | | Date | Sat, 15 Oct 2011 11:46:14 -0600 | From | David Ahern <> | Subject | Re: [GIT PULL 0/5] perf/core improvements and fixes |
| |
On 10/15/2011 11:04 AM, Ingo Molnar wrote: > > * David Ahern <dsahern@gmail.com> wrote: > >> On 10/15/2011 08:59 AM, Ingo Molnar wrote: >>> Btw., i noticed another weirdness - sometimes after startup i get >>> this message: >>> >>> /lib64/libc-2.14.90.so was updated, restart the long running apps that use it! >>> >>> but it was not updated recently: >>> >>> earth5:~/tip/tools/perf> ll /lib64/libc-2.14.90.so >>> -rwxr-xr-x 1 root root 2062920 Sep 28 15:11 /lib64/libc-2.14.90.so >>> earth5:~/tip/tools/perf> date >>> Sat Oct 15 16:59:04 CEST 2011 >>> earth5:~/tip/tools/perf> uptime >>> 16:59:08 up 19 days, 21:35, 11 users, load average: 7.77, 7.48, 3.81 >> >> I got the impression that comment was relative to when the >> processes were started versus prelink touching it. In your case the >> mod time of libc is after the uptime of the box. > > Ok, that makes sense. Do we report this in perf report output as > well?
It should. The message comes from map__load() when it detects a deleted mapping such as:
7f9e8d5c7000-7f9e8d5c8000 rw-p 0000c000 fd:02 1046947 /lib64/libpam.so.0.82.2.#prelink#.cM3f72 (deleted)
I have removed prelink from most of my systems (managed to find one lone server with the above).
David
> > Thanks, > > Ingo
| |