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Re: freezes stap
- From: David Smith <dsmith at redhat dot com>
- To: swood at fotofor dot biz
- Cc: systemtap <systemtap at sourceware dot org>
- Date: Thu, 19 Jul 2018 15:38:46 -0500
- Subject: Re: freezes stap
- References: <CAM_jxg3-3Uh6i6W9=csqs+OsVs+9dPNfVwTcoi017rquV3e7Tw@mail.gmail.com>
OK, I have to confess I'm confused by your email. But, let me try to
tell you what is supposed to happen.
When you run
# stap -v -e 'probe vfs.read {printf("read performed\n")}'
systemtap should build a kernel module, install it, attach the probe,
then sit and wait for a probe hit. Systemtap will wait around until
the script exits or the user hits control-C. At that point systemtap
will uninstall the kernel module.
If you want the script to exit on the first probe hit, you'd need to
change your script to:
# stap -v -e 'probe vfs.read {printf("read performed\n"); exit() }'
The above is what is supposed to happen. In your case, you are getting
a couple of warnings/errors:
1) WARNING: cannot find module nfs debuginfo: No DWARF information
found [man warning::debuginfo]
I'm actually not 100% sure why you are getting that warning, since
vfs.read doesn't probe the nfs subsystem. But, I guess systemtap still
parses the entire tapset library.
But, that certainly looks like you either: (1) don't have the complete
kernel debuginfo installed; or (2) have the wrong version of the
kernel debuginfo installed.
2) WARNING: probe kernel.function("vfs_read@../fs/read_write.c:418")
(address 0xffffffff95232f70) registration error (rc -84)
That one is fairly fatal. Your probe couldn't be registered, and
returned -84. Since your probe couldn't be registered, the module
won't really do anything.
So, to fix your problem, the first thing to do is make sure your
kernel debuginfo *exactly* matches your kernel.
On Thu, Jul 19, 2018 at 10:38 AM Anton Kiryushkin <swood@fotofor.biz> wrote:
>
> Hello.
>
> I have a strange problem with the stap and simple script. After I have run
> a simple script I can't wait for its end:
>
>
> # stap -v -e 'probe vfs.read {printf("read performed\n")}'
> Pass 1: parsed user script and 470 library scripts using
> 97916virt/50520res/5428shr/45572data kb, in 240usr/40sys/287real ms.
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module sunrpc debuginfo: No DWARF information found
> [man warning::debuginfo]
> WARNING: cannot find module sunrpc debuginfo: No DWARF information found
> [man warning::debuginfo]
> WARNING: cannot find module sunrpc debuginfo: No DWARF information found
> [man warning::debuginfo]
> WARNING: cannot find module sunrpc debuginfo: No DWARF information found
> [man warning::debuginfo]
> WARNING: cannot find module sunrpc debuginfo: No DWARF information found
> [man warning::debuginfo]
> WARNING: cannot find module sunrpc debuginfo: No DWARF information found
> [man warning::debuginfo]
> WARNING: cannot find module sunrpc debuginfo: No DWARF information found
> [man warning::debuginfo]
> WARNING: cannot find module sunrpc debuginfo: No DWARF information found
> [man warning::debuginfo]
> WARNING: cannot find module sunrpc debuginfo: No DWARF information found
> [man warning::debuginfo]
> WARNING: cannot find module sunrpc debuginfo: No DWARF information found
> [man warning::debuginfo]
> WARNING: cannot find module sunrpc debuginfo: No DWARF information found
> [man warning::debuginfo]
> WARNING: cannot find module sunrpc debuginfo: No DWARF information found
> [man warning::debuginfo]
> WARNING: cannot find module sunrpc debuginfo: No DWARF information found
> [man warning::debuginfo]
> WARNING: cannot find module sunrpc debuginfo: No DWARF information found
> [man warning::debuginfo]
> WARNING: cannot find module sunrpc debuginfo: No DWARF information found
> [man warning::debuginfo]
> WARNING: cannot find module sunrpc debuginfo: No DWARF information found
> [man warning::debuginfo]
> WARNING: cannot find module sunrpc debuginfo: No DWARF information found
> [man warning::debuginfo]
> WARNING: cannot find module sunrpc debuginfo: No DWARF information found
> [man warning::debuginfo]
> WARNING: cannot find module sunrpc debuginfo: No DWARF information found
> [man warning::debuginfo]
> WARNING: cannot find module sunrpc debuginfo: No DWARF information found
> [man warning::debuginfo]
> WARNING: cannot find module sunrpc debuginfo: No DWARF information found
> [man warning::debuginfo]
> WARNING: cannot find module sunrpc debuginfo: No DWARF information found
> [man warning::debuginfo]
> WARNING: cannot find module sunrpc debuginfo: No DWARF information found
> [man warning::debuginfo]
> WARNING: cannot find module sunrpc debuginfo: No DWARF information found
> [man warning::debuginfo]
> WARNING: cannot find module sunrpc debuginfo: No DWARF information found
> [man warning::debuginfo]
> WARNING: cannot find module sunrpc debuginfo: No DWARF information found
> [man warning::debuginfo]
> WARNING: cannot find module sunrpc debuginfo: No DWARF information found
> [man warning::debuginfo]
> WARNING: cannot find module sunrpc debuginfo: No DWARF information found
> [man warning::debuginfo]
> WARNING: cannot find module sunrpc debuginfo: No DWARF information found
> [man warning::debuginfo]
> WARNING: cannot find module sunrpc debuginfo: No DWARF information found
> [man warning::debuginfo]
> WARNING: cannot find module sunrpc debuginfo: No DWARF information found
> [man warning::debuginfo]
> WARNING: cannot find module sunrpc debuginfo: No DWARF information found
> [man warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> WARNING: cannot find module nfs debuginfo: No DWARF information found [man
> warning::debuginfo]
> Pass 2: analyzed script: 1 probe, 0 functions, 7 embeds, 0 globals using
> 263728virt/218112res/7264shr/211384data kb, in 3090usr/730sys/3693real ms.
> Pass 3: translated to C into
> "/tmp/stapK3JI85/stap_970cd2b18b35927133508c934b0e0766_2484_src.c" using
> 263728virt/218240res/7392shr/211384data kb, in 10usr/30sys/41real ms.
> Pass 4: compiled C into "stap_970cd2b18b35927133508c934b0e0766_2484.ko" in
> 11320usr/2330sys/13411real ms.
> Pass 5: starting run.
> WARNING: probe kernel.function("vfs_read@../fs/read_write.c:418") (address
> 0xffffffff95232f70) registration error (rc -84)
> ^CPass 5: run completed in 20usr/60sys/361863real ms.
>
> Only if I press ctrl+C stap was the end.
> The kernel is 4.13, the systemstap is 3.2 was built from the last version
> from the site.
> I haven't an opportunity to build the last one version 3.3.
>
>
> --
> Best regards,
> Anton Kiryushkin
--
David Smith
Associate Manager
Red Hat