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From: Jeff Moyer <jmoyer@redhat.com>
To: fche@redhat.com (Frank Ch. Eigler)
Cc: systemtap@sourceware.org
Subject: Re: [PATCH 3/3] io_submit.stp: let the user know when the script is loaded
Date: Tue, 29 May 2018 15:01:00 -0000	[thread overview]
Message-ID: <x491sdu5wx7.fsf@segfault.boston.devel.redhat.com> (raw)
In-Reply-To: <878t838vxq.fsf@redhat.com> (Frank Ch. Eigler's message of "Mon,	28 May 2018 14:41:21 -0400")

fche@redhat.com (Frank Ch. Eigler) writes:

> jmoyer wrote:
>
>> I often find myself checking lsmod to see when the script is finally
>> ready to collect data.  Just print a message from the begin probe to
>> make it obvious when the script is ready.
>> [...]
>> +probe begin {
>> +  printf("Ready!\n")
>> +}
>
> I merged this and the other patches (thanks!).  For the record though,
> one may prefer a solution like
>
> cat >> $HOME/.systemtap/rc
> -E 'probe begin { printf("Ready!\n") }'
> ^D
>
> so that every stap script you use automagically gets that extra probe
> added on.

I didn't know I could do that.  Thanks!

-Jeff

  reply	other threads:[~2018-05-29 15:01 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-11 19:25 io_submit.stp: various fixes Jeff Moyer
2018-05-11 19:25 ` [PATCH 2/3] io_submit.stp: use an accumulator for traces Jeff Moyer
2018-05-11 19:25 ` [PATCH 3/3] io_submit.stp: let the user know when the script is loaded Jeff Moyer
2018-05-28 18:41   ` Frank Ch. Eigler
2018-05-29 15:01     ` Jeff Moyer [this message]
2018-05-11 19:25 ` [PATCH 1/3] io_submit.stp: fix array membership test Jeff Moyer

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