linux-kernel - Re: [PATCH v2 1/3] perf parse-events: pass parse_state to add

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Date: Fri, 10 May 2024 06:59:05 +0900
From: Dominique Martinet <asmadeus@...ewreck.org>
To: Arnaldo Carvalho de Melo <acme@...nel.org>
Cc: Ian Rogers <irogers@...gle.com>, Jiri Olsa <jolsa@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...hat.com>, Namhyung Kim <namhyung@...nel.org>,
	Mark Rutland <mark.rutland@....com>,
	Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
	Adrian Hunter <adrian.hunter@...el.com>,
	linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/3] perf parse-events: pass parse_state to
 add_tracepoint

Arnaldo Carvalho de Melo wrote on Thu, May 09, 2024 at 06:46:19PM -0300:
> ⬢[acme@...lbox perf-tools-next]$ git log --oneline -1 ; time make -C tools/perf build-test
> [...]
> tests/parse-events.c:2274:26: error: ‘test__checkevent_tracepoint’ undeclared here (not in a function); did you mean ‘test__checkevent_breakpoint’?
>  2274 |                 .check = test__checkevent_tracepoint,
>       |                          ^~~~~~~~~~~~~~~~~~~~~~~~~~~
>       |                          test__checkevent_breakpoint
> make[6]: *** [/home/acme/git/perf-tools-next/tools/build/Makefile.build:105: tests/parse-events.o] Error 1
> make[6]: *** Waiting for unfinished jobs....

Sorry, didn't know about build-test; I've confirmed the problem [and
will eventually want to check how to build this cleanly on nixos, it's a
pain to shuffle the patch around to rebuild perf...]


It looks like the test case just needs an extra ifdef for
LIBTRACEEVEENT?

----
diff --git a/tools/perf/tests/parse-events.c b/tools/perf/tests/parse-events.c
index 417d4782a520..edc2adcf1bae 100644
--- a/tools/perf/tests/parse-events.c
+++ b/tools/perf/tests/parse-events.c
@@ -2269,11 +2269,13 @@ static const struct evlist_test test__events[] = {
 		.check = test__checkevent_breakpoint_2_events,
 		/* 3 */
 	},
+#ifdef HAVE_LIBTRACEEVENT
 	{
 		.name = "9p:9p_client_req",
 		.check = test__checkevent_tracepoint,
 		/* 4 */
 	},
+#endif
 };
 
 static const struct evlist_test test__events_pmu[] = {
----

I'll send a v4 with that rolled in after confirming the full build-test
passes.

-- 
Dominique Martinet | Asmadeus