From: David Miller <davem@davemloft.net>
To: ast@fb.com
Cc: peterz@infradead.org, bgregg@netflix.com, daniel@iogearbox.net,
qinteng@fb.com, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org, kernel-team@fb.com
Subject: Re: [PATCH net-next 2/2] samples/bpf: add samples for HW_CACHE / RAW events
Date: Mon, 22 May 2017 19:40:41 -0400 (EDT) [thread overview]
Message-ID: <20170522.194041.936213399075786231.davem@davemloft.net> (raw)
In-Reply-To: <63c0ec55-9cb7-50a0-2020-fe17283e532b@fb.com>
From: Alexei Starovoitov <ast@fb.com>
Date: Mon, 22 May 2017 16:35:07 -0700
> yet perf_event_read() is least documented. hmm.
> * u64 bpf_perf_event_read(&map, index)
> * Return: Number events read or error code
>
> that needs to be fixed.
That's exactly what I was talking about :-)
prev parent reply other threads:[~2017-05-22 23:40 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-22 22:48 [PATCH net-next 0/2] perf, bpf: add support for HW_CACHE and RAW events Alexei Starovoitov
2017-05-22 22:48 ` [PATCH net-next 1/2] " Alexei Starovoitov
2017-05-23 7:42 ` Peter Zijlstra
2017-05-23 14:38 ` Alexei Starovoitov
2017-05-23 16:31 ` Peter Zijlstra
2017-05-23 17:05 ` Alexei Starovoitov
2017-05-22 22:48 ` [PATCH net-next 2/2] samples/bpf: add samples for HW_CACHE / " Alexei Starovoitov
2017-05-22 23:26 ` David Miller
2017-05-22 23:35 ` Alexei Starovoitov
2017-05-22 23:40 ` David Miller [this message]
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