linux-kernel - [PATCH v1 16/40] perf test: Validate events with hyphens in

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Message-Id: <20230426070050.1315519-17-irogers@google.com>
Date:   Wed, 26 Apr 2023 00:00:26 -0700
From:   Ian Rogers <irogers@...gle.com>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>,
        Kan Liang <kan.liang@...ux.intel.com>,
        Ahmad Yasin <ahmad.yasin@...el.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Stephane Eranian <eranian@...gle.com>,
        Andi Kleen <ak@...ux.intel.com>,
        Perry Taylor <perry.taylor@...el.com>,
        Samantha Alt <samantha.alt@...el.com>,
        Caleb Biggers <caleb.biggers@...el.com>,
        Weilin Wang <weilin.wang@...el.com>,
        Edward Baker <edward.baker@...el.com>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Florian Fischer <florian.fischer@...q.space>,
        Rob Herring <robh@...nel.org>,
        Zhengjun Xing <zhengjun.xing@...ux.intel.com>,
        John Garry <john.g.garry@...cle.com>,
        Kajol Jain <kjain@...ux.ibm.com>,
        Sumanth Korikkar <sumanthk@...ux.ibm.com>,
        Thomas Richter <tmricht@...ux.ibm.com>,
        Tiezhu Yang <yangtiezhu@...ngson.cn>,
        Ravi Bangoria <ravi.bangoria@....com>,
        Leo Yan <leo.yan@...aro.org>,
        Yang Jihong <yangjihong1@...wei.com>,
        James Clark <james.clark@....com>,
        Suzuki Poulouse <suzuki.poulose@....com>,
        Kang Minchul <tegongkang@...il.com>,
        Athira Rajeev <atrajeev@...ux.vnet.ibm.com>,
        linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Ian Rogers <irogers@...gle.com>
Subject: [PATCH v1 16/40] perf test: Validate events with hyphens in

Rewritten event parsing can handle event names that contain components
of legacy events.

Signed-off-by: Ian Rogers <irogers@...gle.com>
---
 tools/perf/tests/parse-events.c | 12 ------------
 1 file changed, 12 deletions(-)

diff --git a/tools/perf/tests/parse-events.c b/tools/perf/tests/parse-events.c
index 6eadb8a47dbf..cb976765b8b0 100644
--- a/tools/perf/tests/parse-events.c
+++ b/tools/perf/tests/parse-events.c
@@ -2198,18 +2198,6 @@ static int test__pmu_events(struct test_suite *test __maybe_unused, int subtest
 			ret = combine_test_results(ret, TEST_SKIP);
 			continue;
 		}
-		/*
-		 * Names containing '-' are recognized as prefixes and suffixes
-		 * due to '-' being a legacy PMU separator. This fails when the
-		 * prefix or suffix collides with an existing legacy token. For
-		 * example, branch-brs has a prefix (branch) that collides with
-		 * a PE_NAME_CACHE_TYPE token causing a parse error as a suffix
-		 * isn't expected after this. As event names in the config
-		 * slashes are allowed a '-' in the name we check this works
-		 * above.
-		 */
-		if (strchr(ent->d_name, '-'))
-			continue;
 
 		dir = opendir(path);
 		if (!dir) {
-- 
2.40.1.495.gc816e09b53d-goog