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117 lines
3.4 KiB
117 lines
3.4 KiB
// SPDX-License-Identifier: GPL-2.0 |
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/* |
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* Copyright 2019 NXP |
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*/ |
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#include <kunit/test.h> |
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#include <linux/pm_qos.h> |
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/* Basic test for aggregating two "min" requests */ |
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static void freq_qos_test_min(struct kunit *test) |
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{ |
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struct freq_constraints qos; |
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struct freq_qos_request req1, req2; |
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int ret; |
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freq_constraints_init(&qos); |
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memset(&req1, 0, sizeof(req1)); |
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memset(&req2, 0, sizeof(req2)); |
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ret = freq_qos_add_request(&qos, &req1, FREQ_QOS_MIN, 1000); |
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KUNIT_EXPECT_EQ(test, ret, 1); |
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ret = freq_qos_add_request(&qos, &req2, FREQ_QOS_MIN, 2000); |
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KUNIT_EXPECT_EQ(test, ret, 1); |
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KUNIT_EXPECT_EQ(test, freq_qos_read_value(&qos, FREQ_QOS_MIN), 2000); |
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ret = freq_qos_remove_request(&req2); |
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KUNIT_EXPECT_EQ(test, ret, 1); |
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KUNIT_EXPECT_EQ(test, freq_qos_read_value(&qos, FREQ_QOS_MIN), 1000); |
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ret = freq_qos_remove_request(&req1); |
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KUNIT_EXPECT_EQ(test, ret, 1); |
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KUNIT_EXPECT_EQ(test, freq_qos_read_value(&qos, FREQ_QOS_MIN), |
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FREQ_QOS_MIN_DEFAULT_VALUE); |
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} |
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/* Test that requests for MAX_DEFAULT_VALUE have no effect */ |
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static void freq_qos_test_maxdef(struct kunit *test) |
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{ |
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struct freq_constraints qos; |
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struct freq_qos_request req1, req2; |
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int ret; |
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freq_constraints_init(&qos); |
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memset(&req1, 0, sizeof(req1)); |
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memset(&req2, 0, sizeof(req2)); |
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KUNIT_EXPECT_EQ(test, freq_qos_read_value(&qos, FREQ_QOS_MAX), |
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FREQ_QOS_MAX_DEFAULT_VALUE); |
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ret = freq_qos_add_request(&qos, &req1, FREQ_QOS_MAX, |
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FREQ_QOS_MAX_DEFAULT_VALUE); |
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KUNIT_EXPECT_EQ(test, ret, 0); |
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ret = freq_qos_add_request(&qos, &req2, FREQ_QOS_MAX, |
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FREQ_QOS_MAX_DEFAULT_VALUE); |
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KUNIT_EXPECT_EQ(test, ret, 0); |
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/* Add max 1000 */ |
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ret = freq_qos_update_request(&req1, 1000); |
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KUNIT_EXPECT_EQ(test, ret, 1); |
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KUNIT_EXPECT_EQ(test, freq_qos_read_value(&qos, FREQ_QOS_MAX), 1000); |
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/* Add max 2000, no impact */ |
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ret = freq_qos_update_request(&req2, 2000); |
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KUNIT_EXPECT_EQ(test, ret, 0); |
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KUNIT_EXPECT_EQ(test, freq_qos_read_value(&qos, FREQ_QOS_MAX), 1000); |
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/* Remove max 1000, new max 2000 */ |
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ret = freq_qos_remove_request(&req1); |
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KUNIT_EXPECT_EQ(test, ret, 1); |
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KUNIT_EXPECT_EQ(test, freq_qos_read_value(&qos, FREQ_QOS_MAX), 2000); |
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} |
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/* |
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* Test that a freq_qos_request can be added again after removal |
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* |
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* This issue was solved by commit 05ff1ba412fd ("PM: QoS: Invalidate frequency |
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* QoS requests after removal") |
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*/ |
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static void freq_qos_test_readd(struct kunit *test) |
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{ |
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struct freq_constraints qos; |
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struct freq_qos_request req; |
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int ret; |
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freq_constraints_init(&qos); |
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memset(&req, 0, sizeof(req)); |
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KUNIT_EXPECT_EQ(test, freq_qos_read_value(&qos, FREQ_QOS_MIN), |
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FREQ_QOS_MIN_DEFAULT_VALUE); |
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/* Add */ |
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ret = freq_qos_add_request(&qos, &req, FREQ_QOS_MIN, 1000); |
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KUNIT_EXPECT_EQ(test, ret, 1); |
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KUNIT_EXPECT_EQ(test, freq_qos_read_value(&qos, FREQ_QOS_MIN), 1000); |
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/* Remove */ |
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ret = freq_qos_remove_request(&req); |
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KUNIT_EXPECT_EQ(test, ret, 1); |
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KUNIT_EXPECT_EQ(test, freq_qos_read_value(&qos, FREQ_QOS_MIN), |
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FREQ_QOS_MIN_DEFAULT_VALUE); |
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/* Add again */ |
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ret = freq_qos_add_request(&qos, &req, FREQ_QOS_MIN, 2000); |
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KUNIT_EXPECT_EQ(test, ret, 1); |
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KUNIT_EXPECT_EQ(test, freq_qos_read_value(&qos, FREQ_QOS_MIN), 2000); |
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} |
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static struct kunit_case pm_qos_test_cases[] = { |
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KUNIT_CASE(freq_qos_test_min), |
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KUNIT_CASE(freq_qos_test_maxdef), |
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KUNIT_CASE(freq_qos_test_readd), |
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{}, |
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}; |
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static struct kunit_suite pm_qos_test_module = { |
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.name = "qos-kunit-test", |
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.test_cases = pm_qos_test_cases, |
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}; |
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kunit_test_suites(&pm_qos_test_module);
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