linux-kernel - Re: [PATCH v2 6/9] perf tools: add destructors for parse event terms

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Message-ID: <20191023090131.GH22919@krava>
Date:   Wed, 23 Oct 2019 11:01:31 +0200
From:   Jiri Olsa <jolsa@...hat.com>
To:     Ian Rogers <irogers@...gle.com>
Cc:     Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Namhyung Kim <namhyung@...nel.org>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Martin KaFai Lau <kafai@...com>,
        Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>,
        Andi Kleen <ak@...ux.intel.com>,
        Jin Yao <yao.jin@...ux.intel.com>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Kan Liang <kan.liang@...ux.intel.com>,
        John Garry <john.garry@...wei.com>,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
        bpf@...r.kernel.org, clang-built-linux@...glegroups.com,
        Stephane Eranian <eranian@...gle.com>
Subject: Re: [PATCH v2 6/9] perf tools: add destructors for parse event terms

On Tue, Oct 22, 2019 at 05:53:34PM -0700, Ian Rogers wrote:
> If parsing fails then destructors are ran to clean the up the stack.
> Rename the head union member to make the term and evlist use cases more
> distinct, this simplifies matching the correct destructor.

I'm getting compilation fail:

  CC       util/parse-events-bison.o
util/parse-events.y: In function ‘yydestruct’:
util/parse-events.y:125:45: error: ‘struct tracepoint_name’ has no member named ‘sys’; did you mean ‘sys1’?
  125 | %destructor { free ($$.sys); free ($$.event); } <tracepoint_name>

jirka