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DTrace utility to watch for file modification in a Maildir.

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This commit is contained in:
Bill Thiede 2016-12-21 21:08:48 -08:00
parent a4f102ad99
commit a9ed300a03
1 changed files with 54 additions and 0 deletions
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54
unread.d Executable file
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#!/usr/sbin/dtrace -s
#pragma D option quiet
#pragma D option defaultargs
#pragma D option switchrate=10hz
/*
dtrace:::BEGIN
{
printf("%-12s %6s %6s %-12.12s %s\n", "TIME(ms)", "UID",
"PID", "PROCESS", "provider:module:function:name");
}
*/
/*
printf("%-12d %6d %6d %-12.12s %s:%s:%s:%s\n", timestamp / 1000000,
uid, pid, execname, probeprov, probemod, probefunc, probename);
*/
syscall::open:entry
/execname == "imap" && arg1 & O_CREAT/
{
self->add = copyinstr(arg0)
}
syscall::unlink:entry
/execname == "imap"/
{
self->remove = copyinstr(arg0);
}
syscall::rename:entry
/execname == "imap"/
{
self->remove = copyinstr(arg0);
self->add = copyinstr(arg1);
}
syscall::unlink:entry,
syscall::rename:entry
/execname == "imap"/
{
printf("- %s\n", self->remove);
self->remove = 0;
}
syscall::open:entry,
syscall::rename:entry
/execname == "imap" && self->add != 0/
{
printf("+ %s\n", self->add);
self->add = 0;
}