From: Linus Torvalds <torvalds@linux-foundation.org>
To: Mark Rutland <mark.rutland@arm.com>
Cc: yao.jin@linux.intel.com,
Arnaldo Carvalho de Melo <acme@kernel.org>,
Jiri Olsa <jolsa@kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@redhat.com>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Kyle Huey <me@kylehuey.com>,
Linux Kernel Mailing List <Linux-kernel@vger.kernel.org>,
Vince Weaver <vincent.weaver@maine.edu>,
Will Deacon <will.deacon@arm.com>,
Stephane Eranian <eranian@google.com>,
Namhyung Kim <namhyung@kernel.org>,
Andi Kleen <ak@linux.intel.com>,
"Liang, Kan" <kan.liang@intel.com>,
yao.jin@intel.com
Subject: Re: [PATCH v1 1/2] perf/core: Use sysctl to turn on/off dropping leaked kernel samples
Date: Sat, 16 Jun 2018 10:27:27 +0900 [thread overview]
Message-ID: <CA+55aFwRC6gszsHsGcOonV5SHDb7SxWKWbMQsTZ7KD85G_SnLQ@mail.gmail.com> (raw)
In-Reply-To: <20180615113608.6m74sm7gpl5p6oqe@lakrids.cambridge.arm.com>
On Fri, Jun 15, 2018 at 8:36 PM Mark Rutland <mark.rutland@arm.com> wrote:
>
> At least for sampling the GPRs, we could do something like below
> unconditionally, which seems sufficient for my test cases.
Ack.
The PEBS case may need checking, but maybe PEBS doesn't even have this issue?
Linus
next prev parent reply other threads:[~2018-06-16 1:27 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-15 10:03 [PATCH v1 0/2] perf: Drop leaked kernel samples Jin Yao
2018-06-15 3:35 ` Kyle Huey
2018-06-15 5:11 ` Jin, Yao
2018-06-15 17:16 ` Kyle Huey
2018-06-15 17:34 ` Robert O'Callahan
2018-06-16 0:50 ` Jin, Yao
2018-06-16 0:56 ` Kyle Huey
2018-06-16 1:18 ` Jin, Yao
2018-06-15 7:45 ` Peter Zijlstra
2018-06-15 8:01 ` Jin, Yao
2018-06-15 8:12 ` Peter Zijlstra
2018-06-15 8:24 ` Jin, Yao
2018-06-15 16:54 ` Stephane Eranian
2018-06-15 10:03 ` [PATCH v1 1/2] perf/core: Use sysctl to turn on/off dropping " Jin Yao
2018-06-15 5:59 ` Stephane Eranian
2018-06-15 7:15 ` Jin, Yao
2018-06-19 16:50 ` Stephane Eranian
2018-06-15 6:02 ` Stephane Eranian
2018-06-15 8:16 ` Peter Zijlstra
2018-06-15 13:31 ` Liang, Kan
2018-06-18 10:41 ` Peter Zijlstra
2018-06-15 11:36 ` Mark Rutland
2018-06-16 1:27 ` Linus Torvalds [this message]
2018-06-18 10:51 ` Peter Zijlstra
2018-06-18 6:55 ` Jin, Yao
2018-06-18 10:45 ` Peter Zijlstra
2018-06-19 1:39 ` Jin, Yao
2018-06-19 6:01 ` Mark Rutland
2018-06-15 10:03 ` [PATCH v1 2/2] perf Documentation: Introduce the sysctl perf_allow_sample_leakage Jin Yao
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