From: Jiri Olsa <jolsa@redhat.com>
To: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>, lkml <linux-kernel@vger.kernel.org>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Ingo Molnar <mingo@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Namhyung Kim <namhyung@kernel.org>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Michael Petlan <mpetlan@redhat.com>,
Ian Rogers <irogers@google.com>,
Stephane Eranian <eranian@google.com>,
Alexei Budankov <abudankov@huawei.com>
Subject: Re: [PATCH 06/24] perf daemon: Add config file support
Date: Sat, 6 Feb 2021 21:25:21 +0100 [thread overview]
Message-ID: <YB77MWKXW9lNmyR2@krava> (raw)
In-Reply-To: <YBwOAvk0v2o2w5j9@krava>
On Thu, Feb 04, 2021 at 04:08:50PM +0100, Jiri Olsa wrote:
SNIP
> > > +
> > > +static void session__free(struct session *session)
> > > +{
> > > + free(session->base);
> > > + free(session->name);
> > > + free(session->run);
> >
> > zfree() so that if there is some dangling pointer to session, we'll get
> > NULL derefs
>
> and won't be notified by crash about the error ;-) ok
oops, actualy it makes no sense to do it here, because we're
freeing session just in the next line
>
> >
> > > + free(session);
> > > +}
> > > +
> > > +static void session__remove(struct session *session)
> > > +{
> > > + list_del(&session->list);
> >
> > list_del_init
same here
> >
> > > + session__free(session);
> > > +}
> > > +
> > > +static void daemon__kill(struct daemon *daemon)
> > > +{
> > > + daemon__signal(daemon, SIGTERM);
> > > +}
> > > +
> > > static void daemon__free(struct daemon *daemon)
> > > {
> > > + struct session *session, *h;
> > > +
> > > + list_for_each_entry_safe(session, h, &daemon->sessions, list)
> > > + session__remove(session);
> >
> > Wouldn't be better to have:
> >
> > list_for_each_entry_safe(session, h, &daemon->sessions, list) {
> > list_del_init(&session->list);
> > session__free(session);
> > }
> >
> > Because naming that function "session__remove()" one thinks it is being
> > removed from some data structure, but not that it is being as well
> > deleted.
session__remove is being called also from daemon__reconfig,
so it's there not to repeat the code, I'm ok to rename it
thanks,
jirka
next prev parent reply other threads:[~2021-02-06 20:27 UTC|newest]
Thread overview: 62+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20210129134855.195810-1-jolsa@redhat.com>
2021-01-30 23:48 ` [PATCHv3 00/24] perf tools: Add daemon command Jiri Olsa
2021-01-30 23:48 ` [PATCH 01/24] perf daemon: " Jiri Olsa
2021-01-30 23:48 ` [PATCH 02/24] perf daemon: Add config option Jiri Olsa
2021-02-03 20:57 ` Arnaldo Carvalho de Melo
2021-02-04 14:42 ` Jiri Olsa
2021-01-30 23:48 ` [PATCH 03/24] perf daemon: Add base option Jiri Olsa
2021-02-03 20:57 ` Arnaldo Carvalho de Melo
2021-01-30 23:48 ` [PATCH 04/24] perf daemon: Add server socket support Jiri Olsa
2021-02-03 21:04 ` Arnaldo Carvalho de Melo
2021-02-04 14:49 ` Jiri Olsa
2021-02-04 15:53 ` Arnaldo Carvalho de Melo
2021-02-05 11:30 ` Namhyung Kim
2021-02-06 19:04 ` Jiri Olsa
2021-02-07 1:36 ` Namhyung Kim
2021-01-30 23:48 ` [PATCH 05/24] perf daemon: Add client " Jiri Olsa
2021-02-03 21:05 ` Arnaldo Carvalho de Melo
2021-02-04 14:50 ` Jiri Olsa
2021-02-05 11:39 ` Namhyung Kim
2021-01-30 23:48 ` [PATCH 06/24] perf daemon: Add config file support Jiri Olsa
2021-02-03 21:12 ` Arnaldo Carvalho de Melo
2021-02-04 15:08 ` Jiri Olsa
2021-02-06 20:25 ` Jiri Olsa [this message]
2021-02-04 12:42 ` Namhyung Kim
2021-02-04 12:58 ` Arnaldo Carvalho de Melo
2021-02-04 15:10 ` Jiri Olsa
2021-02-06 8:06 ` Namhyung Kim
2021-02-05 12:14 ` Namhyung Kim
2021-02-05 12:56 ` Jiri Olsa
2021-02-06 8:05 ` Namhyung Kim
2021-02-06 22:35 ` Jiri Olsa
2021-02-07 1:38 ` Namhyung Kim
2021-01-30 23:48 ` [PATCH 07/24] perf daemon: Add config file change check Jiri Olsa
2021-02-03 21:13 ` Arnaldo Carvalho de Melo
2021-02-04 14:51 ` Jiri Olsa
2021-01-30 23:48 ` [PATCH 08/24] perf daemon: Add background support Jiri Olsa
2021-02-03 21:16 ` Arnaldo Carvalho de Melo
2021-02-04 14:52 ` Jiri Olsa
2021-01-30 23:48 ` [PATCH 09/24] perf daemon: Add signalfd support Jiri Olsa
2021-02-03 21:24 ` Arnaldo Carvalho de Melo
2021-02-04 15:06 ` Jiri Olsa
2021-01-30 23:48 ` [PATCH 10/24] perf daemon: Add list command Jiri Olsa
2021-01-30 23:48 ` [PATCH 11/24] perf daemon: Add signal command Jiri Olsa
2021-01-30 23:48 ` [PATCH 12/24] perf daemon: Add stop command Jiri Olsa
2021-01-30 23:48 ` [PATCH 13/24] perf daemon: Allow only one daemon over base directory Jiri Olsa
2021-01-30 23:48 ` [PATCH 14/24] perf daemon: Set control fifo for session Jiri Olsa
2021-01-30 23:48 ` [PATCH 15/24] perf daemon: Add ping command Jiri Olsa
2021-01-30 23:48 ` [PATCH 16/24] perf daemon: Use control to stop session Jiri Olsa
2021-01-30 23:48 ` [PATCH 17/24] perf daemon: Add up time for daemon/session list Jiri Olsa
2021-01-30 23:48 ` [PATCH 18/24] perf daemon: Add man page for perf-daemon Jiri Olsa
2021-02-03 21:17 ` Arnaldo Carvalho de Melo
2021-02-04 14:53 ` Jiri Olsa
2021-01-30 23:48 ` [PATCH 19/24] perf tests: Add daemon list command test Jiri Olsa
2021-01-30 23:48 ` [PATCH 20/24] perf tests: Add daemon reconfig test Jiri Olsa
2021-01-30 23:48 ` [PATCH 21/24] perf tests: Add daemon stop command test Jiri Olsa
2021-01-30 23:48 ` [PATCH 22/24] perf tests: Add daemon signal " Jiri Olsa
2021-01-30 23:48 ` [PATCH 23/24] perf tests: Add daemon ping " Jiri Olsa
2021-01-30 23:48 ` [PATCH 24/24] perf tests: Add daemon lock test Jiri Olsa
2021-02-08 20:08 [PATCHv4 00/24] perf tools: Add daemon command Jiri Olsa
2021-02-08 20:08 ` [PATCH 06/24] perf daemon: Add config file support Jiri Olsa
2021-02-11 6:01 ` Namhyung Kim
2021-02-11 16:45 ` Jiri Olsa
2021-02-11 17:10 ` Arnaldo Carvalho de Melo
2021-02-11 22:52 ` Jiri Olsa
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=YB77MWKXW9lNmyR2@krava \
--to=jolsa@redhat.com \
--cc=a.p.zijlstra@chello.nl \
--cc=abudankov@huawei.com \
--cc=acme@kernel.org \
--cc=alexander.shishkin@linux.intel.com \
--cc=eranian@google.com \
--cc=irogers@google.com \
--cc=jolsa@kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mark.rutland@arm.com \
--cc=mingo@kernel.org \
--cc=mpetlan@redhat.com \
--cc=namhyung@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox