linux-kernel - Re: [PATCH 2/3] perf build: Use libtraceevent from the system

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Date:   Wed, 7 Dec 2022 14:31:35 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Athira Rajeev <atrajeev@...ux.vnet.ibm.com>
Cc:     Ian Rogers <irogers@...gle.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        LKML <linux-kernel@...r.kernel.org>,
        linux-perf-users@...r.kernel.org, bpf@...r.kernel.org,
        Stephane Eranian <eranian@...gle.com>
Subject: Re: [PATCH 2/3] perf build: Use libtraceevent from the system

Em Wed, Dec 07, 2022 at 02:27:33PM -0300, Arnaldo Carvalho de Melo escreveu:
> Em Wed, Dec 07, 2022 at 07:08:28PM +0530, Athira Rajeev escreveu:
> > > On 06-Dec-2022, at 11:01 PM, Arnaldo Carvalho de Melo <acme@...nel.org> wrote:
> Can you try again? tmp.perf/core? That "tmp." part means its a force
> pushed branch, so I just force pushed with some arch specific fixes, now
> I'm down to (removing the successful builds and unrelated failures, now
> related to libbpf's F_DUPFD_CLOEXEC kaboom):
> 
>   14     8.49 ubuntu:18.04-x-s390           : FAIL gcc version 7.5.0 (Ubuntu 7.5.0-3ubuntu1~18.04)
>     tests/parse-events.c:1893:12: error: 'test__checkevent_tracepoint' undeclared here (not in a function); did you mean 'test__checkevent_breakpoint'?
>        .check = test__checkevent_tracepoint,
>                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~
>                 test__checkevent_breakpoint
>     /git/perf-6.1.0-rc6/tools/build/Makefile.build:139: recipe for target 'tests' failed
>     make[3]: *** [tests] Error 2

This should fix the above:


⬢[acme@...lbox perf]$ vim tools/perf/tests/parse-events.c
⬢[acme@...lbox perf]$ git diff
diff --git a/tools/perf/tests/parse-events.c b/tools/perf/tests/parse-events.c
index dcbfb93287e80e78..bebb677682deff98 100644
--- a/tools/perf/tests/parse-events.c
+++ b/tools/perf/tests/parse-events.c
@@ -1887,7 +1887,7 @@ static const struct evlist_test test__events[] = {
                .check = test__checkevent_breakpoint_len_rw_modifier,
                /* 4 */
        },
-#if defined(__s390x__)
+#if defined(__s390x__) and defined(HAVE_LIBTRACEEVENT)
        {
                .name  = "kvm-s390:kvm_s390_create_vm",
                .check = test__checkevent_tracepoint,
⬢[acme@...lbox perf]$