From: Jiri Olsa <jolsa@redhat.com>
To: Wang Nan <wangnan0@huawei.com>
Cc: acme@kernel.org, linux-kernel@vger.kernel.org, pi3orama@163.com,
Adrian Hunter <adrian.hunter@intel.com>,
He Kuang <hekuang@huawei.com>, Jiri Olsa <jolsa@kernel.org>,
Masami Hiramatsu <mhiramat@kernel.org>,
Namhyung Kim <namhyung@kernel.org>, Zefan Li <lizefan@huawei.com>,
Arnaldo Carvalho de Melo <acme@redhat.com>
Subject: Re: [PATCH v3 1/6] perf tools: Derive trigger class from auxtrace_snapshot
Date: Sun, 17 Apr 2016 13:50:37 +0200 [thread overview]
Message-ID: <20160417115037.GA31336@krava.brq.redhat.com> (raw)
In-Reply-To: <1460744420-175165-2-git-send-email-wangnan0@huawei.com>
On Fri, Apr 15, 2016 at 06:20:15PM +0000, Wang Nan wrote:
> Create a new class named 'trigger' to model the state of a trigger and
> implement auxtrace_snapshot with it.
>
> auxtrace_record__snapshot_started and auxtrace_snapshot_err are absorbed.
>
> 'trigger' defines 4 state transitioning functions ('on', 'released',
> 'toggle' and 'colddown') and 2 state query function ('is_released') and
> ('is_toggled'). The state 'ON' and 'OFF' take higher priority than
> 'RELEASED' and 'TOGGLED'. A trigger must be 'on' before 'enable' and
> 'disable' take effect. A trigger can be colddown after being triggered.
what's the COLDDOWN state for?
could you please document all the transitions of this state machine
in the change log and the trigger.h file?
thanks,
jirka
next prev parent reply other threads:[~2016-04-17 11:50 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-15 18:20 [PATCH v3 0/6] perf tools: Use SIGUSR2 control data dumpping Wang Nan
2016-04-15 18:20 ` [PATCH v3 1/6] perf tools: Derive trigger class from auxtrace_snapshot Wang Nan
2016-04-17 11:50 ` Jiri Olsa [this message]
2016-04-18 2:23 ` Wangnan (F)
2016-04-17 11:52 ` Jiri Olsa
2016-04-15 18:20 ` [PATCH v3 2/6] perf record: Split output into multiple files via '--switch-output' Wang Nan
2016-04-15 18:20 ` [PATCH v3 3/6] perf record: Force enable --timestamp-filename when --switch-output is provided Wang Nan
2016-04-15 18:20 ` [PATCH v3 4/6] perf record: Disable buildid cache options by default in switch output mode Wang Nan
2016-04-15 18:20 ` [PATCH v3 5/6] perf record: Re-synthesize tracking events after output switching Wang Nan
2016-04-15 18:20 ` [PATCH v3 6/6] perf record: Generate tracking events for process forked by perf Wang Nan
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