linux-kernel - Re: [PATCH v4 0/4] perf/amd/ibs: Add Zen5 support (tools changes)

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <bd37947e-8d0a-452d-a67a-ea964c6a2985@amd.com>
Date: Tue, 13 May 2025 14:02:25 +0530
From: Ravi Bangoria <ravi.bangoria@....com>
To: Arnaldo Carvalho de Melo <acme@...nel.org>
Cc: Ingo Molnar <mingo@...hat.com>, Namhyung Kim <namhyung@...nel.org>,
 Peter Zijlstra <peterz@...radead.org>, Joe Mario <jmario@...hat.com>,
 Stephane Eranian <eranian@...gle.com>, Jiri Olsa <jolsa@...nel.org>,
 Ian Rogers <irogers@...gle.com>, Kan Liang <kan.liang@...ux.intel.com>,
 linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org,
 Santosh Shukla <santosh.shukla@....com>,
 Ananth Narayan <ananth.narayan@....com>, Sandipan Das
 <sandipan.das@....com>, Ravi Bangoria <ravi.bangoria@....com>
Subject: Re: [PATCH v4 0/4] perf/amd/ibs: Add Zen5 support (tools changes)

On 30-Apr-25 7:30 AM, Arnaldo Carvalho de Melo wrote:
> On Tue, Apr 29, 2025 at 03:59:34AM +0000, Ravi Bangoria wrote:
>> IBS on Zen5:
>> - Introduced Load Latency filtering capability.
>> - Shows DTLB and page size information differently from prior generations.
>>
>> Kernel changes for these enhancements are already upstream. So, resending
>> tools changes separately.
>>
>> Patches are prepared on perf-tools-next/perf-tools-next (85447f68a1e3).
>>
>> v3: https://lore.kernel.org/r/20250205060547.1337-1-ravi.bangoria@amd.com
>> v3->v4:
>> - Remove kernel changes.
>> - Improve IBS sample period unit test
> 
> Preliminary tests with what is in tmp.perf-tools-next:

[...]

> I'll do more tests tomorrow and try some of the workloads that Joe uses.

Gentle ping, Arnaldo!

Thanks,
Ravi