From: Andi Kleen <ak@linux.intel.com>
To: Jiri Olsa <jolsa@redhat.com>
Cc: Ravi Bangoria <ravi.bangoria@linux.ibm.com>,
lkml <linux-kernel@vger.kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
linux-perf-users@vger.kernel.org,
Arnaldo Carvalho de Melo <acme@kernel.org>,
eranian@google.com, vincent.weaver@maine.edu,
"Naveen N. Rao" <naveen.n.rao@linux.vnet.ibm.com>
Subject: Re: System crash with perf_fuzzer (kernel: 5.0.0-rc3)
Date: Wed, 30 Jan 2019 12:39:47 -0800 [thread overview]
Message-ID: <87zhrhzxpo.fsf@linux.intel.com> (raw)
In-Reply-To: <20190130183648.GA24233@krava> (Jiri Olsa's message of "Wed, 30 Jan 2019 19:36:48 +0100")
Jiri Olsa <jolsa@redhat.com> writes:
>
> the patch adds check_eriod pmu callback.. I need to check if there's
> better way to do this, but so far it fixes the crash for me
>
> if you guys could check this patch, that'd be great
There's already a limit_period callback, perhaps that could
be extended. But ok, can do it this way too.
I suspect there are some other cases that need this callback, not
just BTS, e.g. the checks in hsw_hw_config
-Andi
next prev parent reply other threads:[~2019-01-30 20:39 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-25 6:46 System crash with perf_fuzzer (kernel: 5.0.0-rc3) Ravi Bangoria
2019-01-25 15:11 ` Vince Weaver
2019-01-25 16:00 ` Andi Kleen
2019-01-31 7:58 ` Ravi Bangoria
2019-01-31 13:00 ` Andi Kleen
2019-01-31 20:27 ` Cong Wang
2019-01-31 20:39 ` Andi Kleen
2019-03-06 23:09 ` Pavel Machek
2019-01-30 18:36 ` Jiri Olsa
2019-01-30 20:39 ` Andi Kleen [this message]
2019-01-30 22:33 ` Jiri Olsa
2019-01-31 7:36 ` Jiri Olsa
2019-01-31 8:27 ` Jiri Olsa
2019-02-01 7:43 ` Jiri Olsa
2019-02-01 7:54 ` Ravi Bangoria
2019-02-02 3:24 ` Ravi Bangoria
2019-02-02 10:34 ` Jiri Olsa
2019-02-01 16:27 ` Vince Weaver
2019-02-01 17:38 ` Jiri Olsa
2019-02-02 17:58 ` Vince Weaver
2019-02-04 12:35 ` [PATCH] perf: Add check_period pmu callback Jiri Olsa
2019-02-11 10:11 ` Peter Zijlstra
2019-02-11 13:22 ` [tip:perf/urgent] perf/x86: Add check_period PMU callback tip-bot for Jiri Olsa
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