Subject: Re: [PATCH v4 02/48] perf stat: Add aggr creators that are passed a
 cpu.
To:     Ian Rogers <irogers@google.com>, Andi Kleen <ak@linux.intel.com>,
        "Jiri Olsa" <jolsa@redhat.com>, Namhyung Kim <namhyung@kernel.org>,
        Kajol Jain <kjain@linux.ibm.com>,
        "Paul A . Clarke" <pc@us.ibm.com>,
        "Arnaldo Carvalho de Melo" <acme@kernel.org>,
        Riccardo Mancini <rickyman7@gmail.com>,
        Kan Liang <kan.liang@linux.intel.com>,
        Peter Zijlstra <peterz@infradead.org>,
        "Ingo Molnar" <mingo@redhat.com>,
        Mark Rutland <mark.rutland@arm.com>,
        "Alexander Shishkin" <alexander.shishkin@linux.intel.com>,
        <linux-perf-users@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
        "Vineet Singh" <vineet.singh@intel.com>,
        James Clark <james.clark@arm.com>,
        "Mathieu Poirier" <mathieu.poirier@linaro.org>,
        Suzuki K Poulose <suzuki.poulose@arm.com>,
        Mike Leach <mike.leach@linaro.org>,
        Leo Yan <leo.yan@linaro.org>, <coresight@lists.linaro.org>,
        <linux-arm-kernel@lists.infradead.org>, <zhengjun.xing@intel.com>
CC:     <eranian@google.com>
References: <20220105061351.120843-1-irogers@google.com>
 <20220105061351.120843-3-irogers@google.com>
From:   John Garry <john.garry@huawei.com>
Message-ID: <9ee9f3ca-bfeb-7258-f7dd-2485c26ef372@huawei.com>
Date:   Mon, 10 Jan 2022 19:17:52 +0000
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On 05/01/2022 06:13, Ian Rogers wrote:
> +struct aggr_cpu_id cpu_map__get_socket(struct perf_cpu_map *map, int idx,
> +				       void *data)
> +{
> +	if (idx < 0 || idx > map->nr)

Incidentally should this be >= map->nr?

> +		return cpu_map__empty_aggr_cpu_id();
> +
> +	return cpu_map__get_socket_aggr_by_cpu(map->map[idx], data);
> +}
> +