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103 lines
4.3 KiB
103 lines
4.3 KiB
/*
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* Copyright (C) 2020 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "tracing.h"
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#include <gtest/gtest.h>
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#include <android-base/strings.h>
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using namespace simpleperf;
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static void CheckAdjustFilter(const std::string& filter, bool use_quote,
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const std::string& adjusted_filter,
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const std::string used_field_str) {
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FieldNameSet used_fields;
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auto value = AdjustTracepointFilter(filter, use_quote, &used_fields);
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ASSERT_TRUE(value.has_value());
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ASSERT_EQ(value.value(), adjusted_filter);
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ASSERT_EQ(android::base::Join(used_fields, ","), used_field_str);
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}
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TEST(tracing, adjust_tracepoint_filter) {
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std::string filter = "((sig >= 1 && sig < 20) || sig == 32) && comm != \"bash\"";
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CheckAdjustFilter(filter, true, filter, "comm,sig");
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CheckAdjustFilter(filter, false, "((sig >= 1 && sig < 20) || sig == 32) && comm != bash",
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"comm,sig");
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filter = "pid != 3 && !(comm ~ *bash)";
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CheckAdjustFilter(filter, true, "pid != 3 && !(comm ~ \"*bash\")", "comm,pid");
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CheckAdjustFilter(filter, false, filter, "comm,pid");
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filter = "mask & 3";
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CheckAdjustFilter(filter, true, filter, "mask");
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CheckAdjustFilter(filter, false, filter, "mask");
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filter = "addr > 0 && addr != 0xFFFFFFFFFFFFFFFF || value > -5";
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CheckAdjustFilter(filter, true, filter, "addr,value");
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CheckAdjustFilter(filter, false, filter, "addr,value");
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// unmatched paren
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FieldNameSet used_fields;
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ASSERT_FALSE(AdjustTracepointFilter("(pid > 3", true, &used_fields).has_value());
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ASSERT_FALSE(AdjustTracepointFilter("pid > 3)", true, &used_fields).has_value());
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// unknown operator
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ASSERT_FALSE(AdjustTracepointFilter("pid ^ 3", true, &used_fields).has_value());
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}
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namespace simpleperf {
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std::ostream& operator<<(std::ostream& os, const TracingField& field) {
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os << "field (" << field.name << ", off " << field.offset << ", elem size " << field.elem_size
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<< ", elem_count " << field.elem_count << ", is_signed " << field.is_signed << ", is_dynamic "
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<< field.is_dynamic << ")";
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return os;
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}
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} // namespace simpleperf
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TEST(tracing, ParseTracingFormat) {
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std::string data =
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"name: sched_wakeup_new\n"
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"ID: 94\n"
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"format:\n"
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"\tfield:unsigned short common_type; offset:0; size:2; signed:0;\n"
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"\tfield:unsigned char common_flags; offset:2; size:1; signed:0;\n"
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"\tfield:unsigned char common_preempt_count; offset:3; size:1; signed:0;\n"
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"\tfield:int common_pid; offset:4; size:4; signed:1;\n"
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"\n"
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"\tfield:char comm[16]; offset:8; size:16; signed:1;\n"
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"\tfield:__data_loc char[] name; offset:24; size:4; signed:1;\n";
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TracingFormat format = ParseTracingFormat(data);
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ASSERT_EQ(format.name, "sched_wakeup_new");
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ASSERT_EQ(format.id, 94);
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ASSERT_EQ(format.fields.size(), 6);
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ASSERT_EQ(format.fields[0], TracingField({.name = "common_type", .offset = 0, .elem_size = 2}));
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ASSERT_EQ(format.fields[1], TracingField({.name = "common_flags", .offset = 2, .elem_size = 1}));
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ASSERT_EQ(format.fields[2],
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TracingField({.name = "common_preempt_count", .offset = 3, .elem_size = 1}));
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ASSERT_EQ(format.fields[3],
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TracingField({.name = "common_pid", .offset = 4, .elem_size = 4, .is_signed = true}));
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ASSERT_EQ(
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format.fields[4],
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TracingField(
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{.name = "comm", .offset = 8, .elem_size = 1, .elem_count = 16, .is_signed = true}));
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ASSERT_EQ(format.fields[5], TracingField({.name = "name",
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.offset = 24,
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.elem_size = 4,
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.elem_count = 1,
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.is_signed = true,
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.is_dynamic = true}));
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}
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