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Date:   Tue, 21 Apr 2020 13:06:30 -0700
From:   Andi Kleen <ak@linux.intel.com>
To:     Jiri Olsa <jolsa@redhat.com>
Cc:     Jiri Olsa <jolsa@kernel.org>,
        Arnaldo Carvalho de Melo <acme@kernel.org>,
        lkml <linux-kernel@vger.kernel.org>,
        Ingo Molnar <mingo@kernel.org>,
        Namhyung Kim <namhyung@kernel.org>,
        Alexander Shishkin <alexander.shishkin@linux.intel.com>,
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        Michael Petlan <mpetlan@redhat.com>,
        Joe Mario <jmario@redhat.com>,
        Kajol Jain <kjain@linux.ibm.com>,
        John Garry <john.garry@huawei.com>
Subject: Re: [PATCH 3/3] perf stat: Add --metrics-file option
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> > Also there are some asserts that can be triggered by expressions. I think
> > you should fix those too and convert them to errors.
> 
> do you have some details on this? examples of those failures?

At a minimum 

/* Caller must make sure id is allocated */
void expr__add_id(struct parse_ctx *ctx, const char *name, double val)
{
        int idx;
        assert(ctx->num_ids < MAX_PARSE_ID);


-Andi