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([38.34.87.7]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-21177e45eabsm91789135ad.114.2024.11.12.03.09.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 12 Nov 2024 03:09:29 -0800 (PST) From: Eduard Zingerman To: bpf@vger.kernel.org, ast@kernel.org Cc: andrii@kernel.org, daniel@iogearbox.net, martin.lau@linux.dev, kernel-team@fb.com, yonghong.song@linux.dev, Eduard Zingerman Subject: [bpf-next 4/4] selftests/bpf: update send_signal to lower perf evemts frequency Date: Tue, 12 Nov 2024 03:09:06 -0800 Message-ID: <20241112110906.3045278-5-eddyz87@gmail.com> X-Mailer: git-send-email 2.47.0 In-Reply-To: <20241112110906.3045278-1-eddyz87@gmail.com> References: <20241112110906.3045278-1-eddyz87@gmail.com> Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Similar to commit [1] sample perf events less often in test_send_signal_nmi(). This should reduce perf events throttling. [1] 7015843afcaf ("selftests/bpf: Fix send_signal test with nested CONFIG_PARAVIRT") Signed-off-by: Eduard Zingerman --- tools/testing/selftests/bpf/prog_tests/send_signal.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/bpf/prog_tests/send_signal.c b/tools/testing/selftests/bpf/prog_tests/send_signal.c index 4e03d7a4c6f7..1702aa592c2c 100644 --- a/tools/testing/selftests/bpf/prog_tests/send_signal.c +++ b/tools/testing/selftests/bpf/prog_tests/send_signal.c @@ -229,7 +229,8 @@ static void test_send_signal_perf(bool signal_thread, bool remote) static void test_send_signal_nmi(bool signal_thread, bool remote) { struct perf_event_attr attr = { - .sample_period = 1, + .freq = 1, + .sample_freq = 1000, .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_CPU_CYCLES, }; -- 2.47.0