From: Arnaldo Carvalho de Melo <arnaldo.melo@gmail.com>
To: Yonghong Song <yhs@fb.com>
Cc: Peter Zijlstra <peterz@infradead.org>, Daniel Xu <dxu@dxuuu.xyz>,
"bpf@vger.kernel.org" <bpf@vger.kernel.org>,
Song Liu <songliubraving@fb.com>,
Andrii Nakryiko <andriin@fb.com>,
"mingo@redhat.com" <mingo@redhat.com>,
Alexei Starovoitov <ast@fb.com>,
"alexander.shishkin@linux.intel.com"
<alexander.shishkin@linux.intel.com>,
"jolsa@redhat.com" <jolsa@redhat.com>,
"namhyung@kernel.org" <namhyung@kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Kernel Team <Kernel-team@fb.com>,
Arnaldo Carvalho de Melo <acme@redhat.com>
Subject: Re: [PATCH v3 bpf-next 1/4] tracing/probe: Add PERF_EVENT_IOC_QUERY_PROBE ioctl
Date: Wed, 21 Aug 2019 17:07:01 -0300 [thread overview]
Message-ID: <20190821200701.GI3929@kernel.org> (raw)
In-Reply-To: <62874df3-cae0-36a1-357f-b59484459e52@fb.com>
Em Wed, Aug 21, 2019 at 04:54:47PM +0000, Yonghong Song escreveu:
> Arnaldo has a question on bcc mailing list about the hit/miss
> counting of bpf program missed to process events.
> https://lists.iovisor.org/g/iovisor-dev/message/1783
PERF_FORMAT_LOST seems to be a good answer to that? See my other reply
to this thread.
- Arnaldo
next prev parent reply other threads:[~2019-08-21 20:07 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-16 22:31 [PATCH v3 bpf-next 0/4] tracing/probe: Add PERF_EVENT_IOC_QUERY_PROBE Daniel Xu
2019-08-16 22:31 ` [PATCH v3 bpf-next 1/4] tracing/probe: Add PERF_EVENT_IOC_QUERY_PROBE ioctl Daniel Xu
2019-08-19 18:22 ` kbuild test robot
2019-08-20 1:26 ` Alexei Starovoitov
2019-08-20 2:34 ` Daniel Xu
2019-08-20 2:52 ` Alexei Starovoitov
2019-08-20 2:04 ` kbuild test robot
2019-08-20 14:45 ` Peter Zijlstra
2019-08-20 17:58 ` Daniel Xu
2019-08-21 11:08 ` Peter Zijlstra
2019-08-21 16:54 ` Yonghong Song
2019-08-21 18:31 ` Peter Zijlstra
2019-08-21 18:43 ` Yonghong Song
2019-08-21 20:04 ` Arnaldo Carvalho de Melo
2019-08-22 7:47 ` Peter Zijlstra
2019-08-22 7:54 ` Song Liu
2019-08-22 9:05 ` Peter Zijlstra
2019-08-22 21:08 ` Daniel Xu
2019-08-21 20:07 ` Arnaldo Carvalho de Melo [this message]
2019-08-21 22:10 ` Yonghong Song
2019-08-16 22:31 ` [PATCH v3 bpf-next 2/4] libbpf: Add helpers to extract perf fd from bpf_link Daniel Xu
2019-08-19 17:45 ` Andrii Nakryiko
2019-08-19 21:30 ` Daniel Xu
2019-08-16 22:31 ` [PATCH v3 bpf-next 3/4] tracing/probe: Sync perf_event.h to tools Daniel Xu
2019-08-16 22:31 ` [PATCH v3 bpf-next 4/4] tracing/probe: Add self test for PERF_EVENT_IOC_QUERY_PROBE Daniel Xu
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