linux-kernel - Re: [PATCH V10 4/4] perf/x86/intel: Support PEBS counters snapshotting

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 for Android: free password hash cracker in your pocket

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

Message-ID: <20250127155107.GI16742@noisy.programming.kicks-ass.net>
Date: Mon, 27 Jan 2025 16:51:07 +0100
From: Peter Zijlstra <peterz@...radead.org>
To: kan.liang@...ux.intel.com
Cc: mingo@...hat.com, acme@...nel.org, namhyung@...nel.org,
	irogers@...gle.com, adrian.hunter@...el.com,
	linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org,
	ak@...ux.intel.com, eranian@...gle.com, dapeng1.mi@...ux.intel.com
Subject: Re: [PATCH V10 4/4] perf/x86/intel: Support PEBS counters
 snapshotting

On Tue, Jan 21, 2025 at 07:23:03AM -0800, kan.liang@...ux.intel.com wrote:

> @@ -471,6 +477,15 @@ struct pebs_xmm {
>  
>  #define IBS_CPUID_FEATURES		0x8000001b
>  
> +struct pebs_cntr_header {
> +	u32 cntr;
> +	u32 fixed;
> +	u32 metrics;
> +	u32 reserved;
> +};
> +
> +#define INTEL_CNTR_METRICS		0x3

I've moved this up a little, so that all the adaptive pebs crud is
together.

Other than that, I've picked up these patches and will merge the lot
past -rc1.