Using regular expression filter system call
zev at bewilderbeest.net
Mon Apr 10 03:04:54 UTC 2017
On Mon, Apr 10, 2017 at 02:12:02AM +0900, Masatake YAMATO wrote:
>> Recently, class %sched and %clock are added. Is it necessary to add
>> regular expression to filter system call?
>> I use '@' as the prefix of regular expression. I think following regular
>> expressions may be used. @time, @[pg]id, @^wait @xattr, @^dup, @^send,
>> @^recv, @^read, @^write, @^sem, @^shm, @^msg, @^inotify, @^pkey_
>How about '/' (slash)?
>vi and sed users may be familiar with the notation.
Agreed, this sounds like it would be a very handy feature -- though I'd
suggest /regex/ for the syntax (a slash at each end, rather than just at
the start) to match sed, awk, perl (I think dtrace also has similar
predicate syntax as well?) etc.
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