linux-kernel - Re: [PATCH v4 5/5] perf metric: Don't compute unused events.

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Message-ID: <20201202065526.GE1363814@tassilo.jf.intel.com>
Date:   Tue, 1 Dec 2020 22:55:26 -0800
From:   Andi Kleen <ak@...ux.intel.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>,
        Jiri Olsa <jolsa@...hat.com>,
        Namhyung Kim <namhyung@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Jin Yao <yao.jin@...ux.intel.com>,
        John Garry <john.garry@...wei.com>,
        Paul Clarke <pc@...ibm.com>, kajoljain <kjain@...ux.ibm.com>,
        Stephane Eranian <eranian@...gle.com>,
        Sandeep Dasgupta <sdasgup@...gle.com>
Subject: Re: [PATCH v4 5/5] perf metric: Don't compute unused events.

>      Can't this be all in a macro? It's still a lot of duplication.
> 
>      I'm still not a fan, but I think with a macro it wouldn't be too bad.
> 
>    Ugh, not a fan of macros. They expand to a single line of code and make
>    debugging hard. I'll do a v5 with a macro :-/

I suppose you could inlines with callbacks too, with one liner functions for
the operands.

-Andi