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From:   "nakamura.shun@fujitsu.com" <nakamura.shun@fujitsu.com>
To:     Jiri Olsa <jolsa@redhat.com>
CC:     "peterz@infradead.org" <peterz@infradead.org>,
        "mingo@redhat.com" <mingo@redhat.com>,
        "acme@kernel.org" <acme@kernel.org>,
        "mark.rutland@arm.com" <mark.rutland@arm.com>,
        "alexander.shishkin@linux.intel.com" 
        <alexander.shishkin@linux.intel.com>,
        "namhyung@kernel.org" <namhyung@kernel.org>,
        "linux-perf-users@vger.kernel.org" <linux-perf-users@vger.kernel.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: libperf : Can not create event group
Thread-Topic: libperf : Can not create event group
Thread-Index: AQHXYOz1byLB4GfrUUijoG/ejweJRKsTW8YAgAxaN1OAAN0rAIAInH1O
Date:   Mon, 28 Jun 2021 08:44:52 +0000
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Hi, jirka=0A=
=0A=
> > Do you have any plans to support the event group in libperf?=0A=
> =0A=
> hi,=0A=
> not until now I guess ;-) what's your use case?=0A=
=0A=
PAPI uses event group to measure multiple events.=0A=
libperf uses multiplexing regardless of the user's intent.=0A=
=0A=
I thought it would be nice if users could choose to use multiplexing or eve=
nt groups.=0A=
=0A=
=0A=
Best Regards=0A=
Shunsuke=0A=
=0A=
jirka=