From: Peter Zijlstra <peterz@infradead.org>
To: kan.liang@linux.intel.com
Cc: tglx@linutronix.de, mingo@redhat.com,
linux-kernel@vger.kernel.org, acme@kernel.org,
alexander.shishkin@linux.intel.com, vincent.weaver@maine.edu,
jolsa@redhat.com, ak@linux.intel.com
Subject: Re: [PATCH 1/4] x86/perf/intel: Introduce PMU flag for Extended PEBS
Date: Mon, 23 Jul 2018 17:16:03 +0200 [thread overview]
Message-ID: <20180723151603.GC2458@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <20180309021542.11374-1-kan.liang@linux.intel.com>
On Thu, Mar 08, 2018 at 06:15:39PM -0800, kan.liang@linux.intel.com wrote:
> From: Kan Liang <kan.liang@linux.intel.com>
>
> The Extended PEBS feature, introduced in Goldmont Plus
> microarchitecture, supports all events as "Extended PEBS".
>
> Introduce flag PMU_FL_PEBS_ALL to indicate the platforms which support
> extended PEBS.
> To support all events, it needs to support all constraints for PEBS. To
> avoid duplicating all the constraints in the PEBS table, making the PEBS
> code search the normal constraints too.
>
So I like PEBS_ALL.. what I don't like is that it seems to be mutually
exclusive with PEBS Load Latency.
Took the patches.
next prev parent reply other threads:[~2018-07-23 15:16 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-09 2:15 kan.liang
2018-03-09 2:15 ` [PATCH 2/4] x86/perf/intel: Support PEBS on fixed counters kan.liang
2018-07-25 14:32 ` [tip:perf/core] perf/x86/intel: " tip-bot for Kan Liang
2018-03-09 2:15 ` [PATCH 3/4] perf/x86/intel/ds: Handle PEBS overflow for " kan.liang
2018-07-23 14:59 ` Peter Zijlstra
2018-07-23 15:02 ` Peter Zijlstra
2018-07-23 16:21 ` Peter Zijlstra
2018-07-23 16:56 ` Liang, Kan
2018-07-23 17:15 ` Liang, Kan
2018-07-25 14:33 ` [tip:perf/core] " tip-bot for Kan Liang
2018-03-09 2:15 ` [PATCH 4/4] perf/x86/intel: Support Extended PEBS for Goldmont Plus kan.liang
2018-07-25 14:33 ` [tip:perf/core] " tip-bot for Kan Liang
2018-07-23 15:16 ` Peter Zijlstra [this message]
2018-07-23 15:43 ` [PATCH 1/4] x86/perf/intel: Introduce PMU flag for Extended PEBS Liang, Kan
2018-07-23 15:50 ` Peter Zijlstra
2018-07-25 14:31 ` [tip:perf/core] perf/x86/intel: " tip-bot for Kan Liang
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