Date: Thu, 28 Aug 2014 10:52:54 -0400 From: "Kendrick, Stuart" <Stuart.Kendrick@emc.com> To: "freebsd-dtrace@freebsd.org" <freebsd-dtrace@freebsd.org> Subject: printing time Message-ID: <D0249056.15458%stuart.kendrick@emc.com>
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How else might I print a timestamp, other than using =91printf =85 walltime=
stamp=92?
I=92m running dtrace on a platform (modified version of FreeBSD 7) where =
=91printf %Y=92 only ever returns the one timestamp: 1969 Dec 31 18:00:00
So I=92m casting around for another approach: suggestions?
My script =91watch-file.d=92:
# pragma D option quiet
BEGIN
{
printf("\n Timestamp gid uid pid ppid execname function\=
n\n");
}
syscall::open*:entry, syscall::unlink:entry, syscall::rename:entry
/strstr(stringof(copyinstr(arg0)), $1) !=3D NULL/
{
printf("%Y %5d %5d %5d %5d %-12s %-10s %s\n",
walltimestamp, gid, uid, pid, ppid, execname, probefunc, string=
of(copyinstr(arg0)));
}
Typically run as follows:
./watch-file.d =91=93/etc/foo=94=92 | tee /var/tmp/foo.log
where /etc/foo is the file I want to watch =97 i.e. something is updating t=
his file at awkward moments, and I want to identify what process does this.
[...]
1969 Dec 31 18:00:00 0 0 2739 1 isi_rpc_d open /etc/ifs/lo=
cal.xml
1969 Dec 31 18:00:00 0 0 2739 1 isi_rpc_d open /etc/ifs/lo=
cal.xml
1969 Dec 31 18:00:00 0 0 2739 1 isi_rpc_d open /etc/ifs/lo=
cal.xml
1969 Dec 31 18:00:00 0 0 3131 1 isi_celog_monitor open /et=
c/ifs/local.xml
1969 Dec 31 18:00:00 0 0 3131 1 isi_celog_monitor open /et=
c/ifs/local.xml
1969 Dec 31 18:00:00 0 0 3131 1 isi_celog_monitor open /et=
c/ifs/local.xml
1969 Dec 31 18:00:00 0 0 3099 1 isi_celog_coalescer open /et=
c/ifs/local.xml
1969 Dec 31 18:00:00 0 0 3099 1 isi_celog_coalescer open /et=
c/ifs/local.xml
1969 Dec 31 18:00:00 0 0 3099 1 isi_celog_coalescer open /et=
c/ifs/local.xml
1969 Dec 31 18:00:00 0 0 3099 1 isi_celog_coalescer open /et=
c/ifs/local.xml
~
=97sk
Stuart Kendrick
EMC Isilon
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