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AJvYcCU045M2mGPyICLJvsGKYMuMOVJjGoiQW9a49KdeqElxOdHy3V2IsrMBmDkr/YNAp7wNR4mjmxCHHGSLzPg=@vger.kernel.org X-Gm-Message-State: AOJu0Yw1jvHn2D6Fu612tSrFdqQrV7toBRpg72f532GYbXZD6Z0mrCig EZrvaTc8fMozwX/H0DgLq7i6VXic3ekQ7eniKc+LMQqkFDQ2IrxoFjmdP9Q6Vt95CSlHhX3wT4B qDugHKatlLg== X-Google-Smtp-Source: AGHT+IHezvR+eTPfCS3Vq8TwC31u+IqeQ3bdfYHNH41ei/61+xbUnxM56xS7y/HR/6GQ10xXZnPrjjh9vTUm X-Received: from pgbfe26.prod.google.com ([2002:a05:6a02:289a:b0:b2c:40c4:8bb4]) (user=irogers job=prod-delivery.src-stubby-dispatcher) by 2002:a05:6a21:328b:b0:20b:9774:ac6c with SMTP id adf61e73a8af0-21d22aa2f8bmr5219599637.5.1749059167416; Wed, 04 Jun 2025 10:46:07 -0700 (PDT) Date: Wed, 4 Jun 2025 10:45:39 -0700 In-Reply-To: <20250604174545.2853620-1-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250604174545.2853620-1-irogers@google.com> X-Mailer: git-send-email 2.50.0.rc0.604.gd4ff7b7c86-goog Message-ID: <20250604174545.2853620-6-irogers@google.com> Subject: [PATCH v4 05/10] perf tests record: Add basic uid filtering test From: Ian Rogers To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Mark Rutland , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , Kan Liang , James Clark , Dapeng Mi , Thomas Richter , Veronika Molnarova , Chun-Tse Shao , Leo Yan , Hao Ge , Howard Chu , Weilin Wang , Levi Yun , "Dr. David Alan Gilbert" , Gautam Menghani , Tengda Wu , linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, bpf@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Based on the system-wide test with changes around how failure is handled as BPF permissions are a bigger issue than perf event paranoia. Signed-off-by: Ian Rogers --- tools/perf/tests/shell/record.sh | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/tools/perf/tests/shell/record.sh b/tools/perf/tests/shell/reco= rd.sh index 587f62e34414..2022a4f739be 100755 --- a/tools/perf/tests/shell/record.sh +++ b/tools/perf/tests/shell/record.sh @@ -231,6 +231,31 @@ test_cgroup() { echo "Cgroup sampling test [Success]" } =20 +test_uid() { + echo "Uid sampling test" + if ! perf record -aB --synth=3Dno --uid "$(id -u)" -o "${perfdata}" ${te= stprog} \ + > "${script_output}" 2>&1 + then + if grep -q "libbpf.*EPERM" "${script_output}" + then + echo "Uid sampling [Skipped permissions]" + return + else + echo "Uid sampling [Failed to record]" + err=3D1 + # cat "${script_output}" + return + fi + fi + if ! perf report -i "${perfdata}" -q | grep -q "${testsym}" + then + echo "Uid sampling [Failed missing output]" + err=3D1 + return + fi + echo "Uid sampling test [Success]" +} + test_leader_sampling() { echo "Basic leader sampling test" if ! perf record -o "${perfdata}" -e "{cycles,cycles}:Su" -- \ @@ -345,6 +370,7 @@ test_system_wide test_workload test_branch_counter test_cgroup +test_uid test_leader_sampling test_topdown_leader_sampling test_precise_max --=20 2.50.0.rc0.604.gd4ff7b7c86-goog