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Date:   Fri, 2 Sep 2022 13:53:38 -0300
From:   Arnaldo Carvalho de Melo <acme@kernel.org>
To:     zhengjun.xing@linux.intel.com
Cc:     peterz@infradead.org, mingo@redhat.com,
        alexander.shishkin@intel.com, jolsa@kernel.org,
        namhyung@kernel.org, linux-kernel@vger.kernel.org,
        linux-perf-users@vger.kernel.org, irogers@google.com,
        ak@linux.intel.com, kan.liang@linux.intel.com
Subject: Re: [PATCH] perf stat: Fix L2 Topdown metrics disappear for raw
 events
Message-ID: <YxI1Eq1XzHf8O4L2@kernel.org>
References: <20220826140057.3289401-1-zhengjun.xing@linux.intel.com>
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Em Fri, Aug 26, 2022 at 10:00:57PM +0800, zhengjun.xing@linux.intel.com escreveu:
> From: Zhengjun Xing <zhengjun.xing@linux.intel.com>
> 
> In perf/Documentation/perf-stat.txt, for "--td-level" the default "0" means
> the max level that the current hardware support. So we need initialize the
> stat_config.topdown_level to TOPDOWN_MAX_LEVEL when “--td-level=0” or no
> “--td-level” option. Otherwise, for the hardware with a max level is 2, the
> 2nd level metrics disappear for raw events in this case. The issue cannot
> be observed for the perf stat default or "--topdown" options. This commit
> fixes the raw events issue and removes the duplicated code for the perf
> stat default.

Thanks, applied, sorry for the delay.

- Arnaldo