blob: 4180d02b7a5934d8b6a22d6f93ef5958d89872a0 [file] [log] [blame]
/*
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "cpu_reader.h"
#include "event_info.h"
#include "gmock/gmock.h"
#include "gtest/gtest.h"
#include "proto_translation_table.h"
#include "perfetto/base/utils.h"
#include "perfetto/protozero/scattered_stream_writer.h"
#include "src/ftrace_reader/test/scattered_stream_delegate_for_testing.h"
#include "perfetto/trace/ftrace/ftrace_event.pb.h"
#include "perfetto/trace/ftrace/ftrace_event.pbzero.h"
#include "perfetto/trace/ftrace/ftrace_event_bundle.pb.h"
#include "perfetto/trace/ftrace/ftrace_event_bundle.pbzero.h"
#include "src/ftrace_reader/test/cpu_reader_support.h"
#include "src/ftrace_reader/test/test_messages.pb.h"
#include "src/ftrace_reader/test/test_messages.pbzero.h"
using testing::ElementsAreArray;
namespace perfetto {
namespace {
const uint64_t kNanoInSecond = 1000 * 1000 * 1000;
const uint64_t kNanoInMicro = 1000;
::testing::AssertionResult WithinOneMicrosecond(uint64_t actual_ns,
uint64_t expected_s,
uint64_t expected_us) {
// Round to closest us.
uint64_t actual_us = (actual_ns + kNanoInMicro / 2) / kNanoInMicro;
uint64_t total_expected_us = expected_s * 1000 * 1000 + expected_us;
if (actual_us == total_expected_us) {
return ::testing::AssertionSuccess();
} else {
return ::testing::AssertionFailure()
<< actual_ns / kNanoInSecond << "."
<< (actual_ns % kNanoInSecond) / kNanoInMicro << " vs. "
<< expected_s << "." << expected_us;
}
}
// Single class to manage the whole protozero -> scattered stream -> chunks ->
// single buffer -> real proto dance. Has a method: writer() to get an
// protozero ftrace bundle writer and a method ParseProto() to attempt to
// parse whatever has been written so far into a proto message.
template <class ZeroT, class ProtoT>
class ProtoProvider {
public:
explicit ProtoProvider(size_t chunk_size)
: chunk_size_(chunk_size), delegate_(chunk_size_), stream_(&delegate_) {
delegate_.set_writer(&stream_);
writer_.Reset(&stream_);
}
~ProtoProvider() = default;
ZeroT* writer() { return &writer_; }
// Stitch together the scattered chunks into a single buffer then attempt
// to parse the buffer as a FtraceEventBundle. Returns the FtraceEventBundle
// on success and nullptr on failure.
std::unique_ptr<ProtoT> ParseProto() {
auto bundle = std::unique_ptr<ProtoT>(new ProtoT());
size_t msg_size =
delegate_.chunks().size() * chunk_size_ - stream_.bytes_available();
std::unique_ptr<uint8_t[]> buffer = delegate_.StitchChunks(msg_size);
if (!bundle->ParseFromArray(buffer.get(), static_cast<int>(msg_size)))
return nullptr;
return bundle;
}
private:
ProtoProvider(const ProtoProvider&) = delete;
ProtoProvider& operator=(const ProtoProvider&) = delete;
size_t chunk_size_;
ScatteredStreamDelegateForTesting delegate_;
protozero::ScatteredStreamWriter stream_;
ZeroT writer_;
};
using BundleProvider =
ProtoProvider<protos::pbzero::FtraceEventBundle, protos::FtraceEventBundle>;
class BinaryWriter {
public:
BinaryWriter()
: size_(base::kPageSize), page_(new uint8_t[size_]), ptr_(page_.get()) {}
template <typename T>
void Write(T t) {
memcpy(ptr_, &t, sizeof(T));
ptr_ += sizeof(T);
PERFETTO_CHECK(ptr_ < ptr_ + size_);
}
void WriteString(const char* s) {
char c;
while ((c = *s++)) {
Write<char>(c);
}
}
void WriteFixedString(size_t n, const char* s) {
size_t length = strlen(s);
PERFETTO_CHECK(length < n);
char c;
while ((c = *s++)) {
Write<char>(c);
}
Write<char>('\0');
for (size_t i = 0; i < n - length - 1; i++) {
Write<char>('\xff');
}
}
std::unique_ptr<uint8_t[]> GetCopy() {
std::unique_ptr<uint8_t[]> buffer(new uint8_t[written()]);
memcpy(buffer.get(), page_.get(), written());
return buffer;
}
size_t written() { return ptr_ - page_.get(); }
private:
size_t size_;
std::unique_ptr<uint8_t[]> page_;
uint8_t* ptr_;
};
} // namespace
TEST(PageFromXxdTest, OneLine) {
std::string text = R"(
00000000: 0000 0000 0000 0000 0000 0000 0000 0000 ................
00000000: 0000 0000 5600 0000 0000 0000 0000 0000 ................
)";
auto page = PageFromXxd(text);
EXPECT_EQ(page.get()[0x14], 0x56);
}
TEST(PageFromXxdTest, ManyLines) {
std::string text = R"(
00000000: 1234 0000 0000 0000 0000 0000 0000 0056 ................
00000010: 7800 0000 0000 0000 0000 0000 0000 009a ................
00000020: 0000 0000 bc00 0000 00de 0000 0000 009a ................
)";
auto page = PageFromXxd(text);
EXPECT_EQ(page.get()[0x00], 0x12);
EXPECT_EQ(page.get()[0x01], 0x34);
EXPECT_EQ(page.get()[0x0f], 0x56);
EXPECT_EQ(page.get()[0x10], 0x78);
EXPECT_EQ(page.get()[0x1f], 0x9a);
EXPECT_EQ(page.get()[0x24], 0xbc);
EXPECT_EQ(page.get()[0x29], 0xde);
}
TEST(CpuReaderTest, BinaryWriter) {
BinaryWriter writer;
writer.Write<uint64_t>(1);
writer.Write<uint32_t>(2);
writer.Write<uint16_t>(3);
writer.Write<uint8_t>(4);
auto buffer = writer.GetCopy();
EXPECT_EQ(buffer.get()[0], 1);
EXPECT_EQ(buffer.get()[1], 0);
EXPECT_EQ(buffer.get()[2], 0);
EXPECT_EQ(buffer.get()[3], 0);
EXPECT_EQ(buffer.get()[4], 0);
EXPECT_EQ(buffer.get()[5], 0);
EXPECT_EQ(buffer.get()[6], 0);
EXPECT_EQ(buffer.get()[7], 0);
EXPECT_EQ(buffer.get()[8], 2);
}
TEST(EventFilterTest, EventFilter) {
std::vector<Field> common_fields;
std::vector<Event> events;
{
Event event;
event.name = "foo";
event.ftrace_event_id = 1;
events.push_back(event);
}
{
Event event;
event.name = "bar";
event.ftrace_event_id = 10;
events.push_back(event);
}
ProtoTranslationTable table(events, std::move(common_fields));
EventFilter filter(table, std::set<std::string>({"foo"}));
EXPECT_TRUE(filter.IsEventEnabled(1));
EXPECT_FALSE(filter.IsEventEnabled(2));
EXPECT_FALSE(filter.IsEventEnabled(10));
}
TEST(ReadAndAdvanceTest, Number) {
uint64_t expected = 42;
uint64_t actual = 0;
uint8_t buffer[8] = {};
const uint8_t* start = buffer;
const uint8_t* ptr = buffer;
memcpy(&buffer, &expected, 8);
EXPECT_TRUE(CpuReader::ReadAndAdvance<uint64_t>(&ptr, ptr + 8, &actual));
EXPECT_EQ(ptr, start + 8);
EXPECT_EQ(actual, expected);
}
TEST(ReadAndAdvanceTest, PlainStruct) {
struct PlainStruct {
uint64_t timestamp;
uint64_t length;
};
uint64_t expected[2] = {42, 999};
PlainStruct actual;
uint8_t buffer[16] = {};
const uint8_t* start = buffer;
const uint8_t* ptr = buffer;
memcpy(&buffer, &expected, 16);
EXPECT_TRUE(CpuReader::ReadAndAdvance<PlainStruct>(&ptr, ptr + 16, &actual));
EXPECT_EQ(ptr, start + 16);
EXPECT_EQ(actual.timestamp, 42ul);
EXPECT_EQ(actual.length, 999ul);
}
TEST(ReadAndAdvanceTest, ComplexStruct) {
struct ComplexStruct {
uint64_t timestamp;
uint32_t length;
uint32_t : 24;
uint32_t overwrite : 8;
};
uint64_t expected[2] = {42, 0xcdffffffabababab};
ComplexStruct actual = {};
uint8_t buffer[16] = {};
const uint8_t* start = buffer;
const uint8_t* ptr = buffer;
memcpy(&buffer, &expected, 16);
EXPECT_TRUE(
CpuReader::ReadAndAdvance<ComplexStruct>(&ptr, ptr + 16, &actual));
EXPECT_EQ(ptr, start + 16);
EXPECT_EQ(actual.timestamp, 42ul);
EXPECT_EQ(actual.length, 0xabababab);
EXPECT_EQ(actual.overwrite, 0xCDu);
}
TEST(ReadAndAdvanceTest, Overruns) {
uint64_t result = 42;
uint8_t buffer[7] = {};
const uint8_t* start = buffer;
const uint8_t* ptr = buffer;
EXPECT_FALSE(CpuReader::ReadAndAdvance<uint64_t>(&ptr, ptr + 7, &result));
EXPECT_EQ(ptr, start);
EXPECT_EQ(result, 42ul);
}
TEST(ReadAndAdvanceTest, AtEnd) {
uint8_t result = 42;
uint8_t buffer[8] = {};
const uint8_t* start = buffer;
const uint8_t* ptr = buffer;
EXPECT_FALSE(CpuReader::ReadAndAdvance<uint8_t>(&ptr, ptr, &result));
EXPECT_EQ(ptr, start);
EXPECT_EQ(result, 42);
}
TEST(ReadAndAdvanceTest, Underruns) {
uint64_t expected = 42;
uint64_t actual = 0;
uint8_t buffer[9] = {};
const uint8_t* start = buffer;
const uint8_t* ptr = buffer;
memcpy(&buffer, &expected, 8);
EXPECT_TRUE(CpuReader::ReadAndAdvance<uint64_t>(&ptr, ptr + 8, &actual));
EXPECT_EQ(ptr, start + 8);
EXPECT_EQ(actual, expected);
}
// # tracer: nop
// #
// # entries-in-buffer/entries-written: 1/1 #P:8
// #
// # _-----=> irqs-off
// # / _----=> need-resched
// # | / _---=> hardirq/softirq
// # || / _--=> preempt-depth
// # ||| / delay
// # TASK-PID CPU# |||| TIMESTAMP FUNCTION
// # | | | |||| | |
// sh-28712 [000] ...1 608934.535199: tracing_mark_write: Hello, world!
ExamplePage g_single_print{
"synthetic",
R"(
00000000: ba12 6a33 c628 0200 2c00 0000 0000 0000 ..j3.(..,.......
00000010: def0 ec67 8d21 0000 0800 0000 0500 0001 ...g.!..........
00000020: 2870 0000 ac5d 1661 86ff ffff 4865 6c6c (p...].a....Hell
00000030: 6f2c 2077 6f72 6c64 210a 00ff 0000 0000 o, world!.......
)",
};
TEST(CpuReaderTest, ParseSinglePrint) {
const ExamplePage* test_case = &g_single_print;
BundleProvider bundle_provider(base::kPageSize);
ProtoTranslationTable* table = GetTable(test_case->name);
auto page = PageFromXxd(test_case->data);
EventFilter filter(*table, std::set<std::string>({"print"}));
size_t bytes = CpuReader::ParsePage(42 /* cpu number */, page.get(), &filter,
bundle_provider.writer(), table);
EXPECT_EQ(bytes, 60ul);
auto bundle = bundle_provider.ParseProto();
ASSERT_TRUE(bundle);
EXPECT_EQ(bundle->cpu(), 42ul);
ASSERT_EQ(bundle->event().size(), 1);
const protos::FtraceEvent& event = bundle->event().Get(0);
EXPECT_EQ(event.pid(), 28712ul);
EXPECT_TRUE(WithinOneMicrosecond(event.timestamp(), 608934, 535199));
EXPECT_EQ(event.print().buf(), "Hello, world!\n");
}
// This event is as the event for ParseSinglePrint above except the string
// is extended to overflow the page size written in the header.
ExamplePage g_single_print_malformed{
"synthetic",
R"(
00000000: ba12 6a33 c628 0200 2c00 0000 0000 0000 ................
00000010: def0 ec67 8d21 0000 0800 0000 0500 0001 ................
00000020: 2870 0000 ac5d 1661 86ff ffff 4865 6c6c ................
00000030: 6f2c 2077 6f72 6c64 2120 776f 726c 6421 ................
00000040: 0a00 ff00 0000 0000 0000 0000 0000 0000 ................
)",
};
TEST(CpuReaderTest, ParseSinglePrintMalformed) {
const ExamplePage* test_case = &g_single_print_malformed;
BundleProvider bundle_provider(base::kPageSize);
ProtoTranslationTable* table = GetTable(test_case->name);
auto page = PageFromXxd(test_case->data);
EventFilter filter(*table, std::set<std::string>({"print"}));
ASSERT_FALSE(CpuReader::ParsePage(42 /* cpu number */, page.get(), &filter,
bundle_provider.writer(), table));
auto bundle = bundle_provider.ParseProto();
ASSERT_TRUE(bundle);
EXPECT_EQ(bundle->cpu(), 42ul);
ASSERT_EQ(bundle->event().size(), 1);
// Although one field is malformed we still see data for the rest
// since we write the fields as we parse them for speed.
const protos::FtraceEvent& event = bundle->event().Get(0);
EXPECT_EQ(event.pid(), 28712ul);
EXPECT_TRUE(WithinOneMicrosecond(event.timestamp(), 608934, 535199));
EXPECT_EQ(event.print().buf(), "");
}
TEST(CpuReaderTest, FilterByEvent) {
const ExamplePage* test_case = &g_single_print;
BundleProvider bundle_provider(base::kPageSize);
ProtoTranslationTable* table = GetTable(test_case->name);
auto page = PageFromXxd(test_case->data);
EventFilter filter(*table, std::set<std::string>());
ASSERT_TRUE(CpuReader::ParsePage(42 /* cpu number */, page.get(), &filter,
bundle_provider.writer(), table));
auto bundle = bundle_provider.ParseProto();
ASSERT_TRUE(bundle);
EXPECT_EQ(bundle->cpu(), 42ul);
ASSERT_EQ(bundle->event().size(), 0);
}
// # tracer: nop
// #
// # entries-in-buffer/entries-written: 3/3 #P:8
// #
// # _-----=> irqs-off
// # / _----=> need-resched
// # | / _---=> hardirq/softirq
// # || / _--=> preempt-depth
// # ||| / delay
// # TASK-PID CPU# |||| TIMESTAMP FUNCTION
// # | | | |||| | |
// sh-30693 [000] ...1 615436.216806: tracing_mark_write: Hello, world!
// sh-30693 [000] ...1 615486.377232: tracing_mark_write: Good afternoon, world!
// sh-30693 [000] ...1 615495.632679: tracing_mark_write: Goodbye, world!
ExamplePage g_three_prints{
"synthetic",
R"(
00000000: a3ab 1569 bc2f 0200 9400 0000 0000 0000 ...i./..........
00000010: 1e00 0000 0000 0000 0800 0000 0500 0001 ................
00000020: e577 0000 ac5d 1661 86ff ffff 4865 6c6c .w...].a....Hell
00000030: 6f2c 2077 6f72 6c64 210a 0000 5e32 6bb9 o, world!...^2k.
00000040: 7501 0000 0b00 0000 0500 0001 e577 0000 u............w..
00000050: ac5d 1661 86ff ffff 476f 6f64 2061 6674 .].a....Good aft
00000060: 6572 6e6f 6f6e 2c20 776f 726c 6421 0a00 ernoon, world!..
00000070: 0000 0000 9e6a 5df5 4400 0000 0900 0000 .....j].D.......
00000080: 0500 0001 e577 0000 ac5d 1661 86ff ffff .....w...].a....
00000090: 476f 6f64 6279 652c 2077 6f72 6c64 210a Goodbye, world!.
000000a0: 0051 0000 0000 0000 0000 0000 0000 0000 .Q..............
)",
};
TEST(CpuReaderTest, ParseThreePrint) {
const ExamplePage* test_case = &g_three_prints;
BundleProvider bundle_provider(base::kPageSize);
ProtoTranslationTable* table = GetTable(test_case->name);
auto page = PageFromXxd(test_case->data);
EventFilter filter(*table, std::set<std::string>({"print"}));
ASSERT_TRUE(CpuReader::ParsePage(42 /* cpu number */, page.get(), &filter,
bundle_provider.writer(), table));
auto bundle = bundle_provider.ParseProto();
ASSERT_TRUE(bundle);
EXPECT_EQ(bundle->cpu(), 42ul);
ASSERT_EQ(bundle->event().size(), 3);
{
const protos::FtraceEvent& event = bundle->event().Get(0);
EXPECT_EQ(event.pid(), 30693ul);
EXPECT_TRUE(WithinOneMicrosecond(event.timestamp(), 615436, 216806));
EXPECT_EQ(event.print().buf(), "Hello, world!\n");
}
{
const protos::FtraceEvent& event = bundle->event().Get(1);
EXPECT_EQ(event.pid(), 30693ul);
EXPECT_TRUE(WithinOneMicrosecond(event.timestamp(), 615486, 377232));
EXPECT_EQ(event.print().buf(), "Good afternoon, world!\n");
}
{
const protos::FtraceEvent& event = bundle->event().Get(2);
EXPECT_EQ(event.pid(), 30693ul);
EXPECT_TRUE(WithinOneMicrosecond(event.timestamp(), 615495, 632679));
EXPECT_EQ(event.print().buf(), "Goodbye, world!\n");
}
}
// # tracer: nop
// #
// # entries-in-buffer/entries-written: 6/6 #P:8
// #
// # _-----=> irqs-off
// # / _----=> need-resched
// # | / _---=> hardirq/softirq
// # || / _--=> preempt-depth
// # ||| / delay
// # TASK-PID CPU# |||| TIMESTAMP FUNCTION
// # | | | |||| | |
// ksoftirqd/0-3 [000] d..3 1045157.722134: sched_switch:
// prev_comm=ksoftirqd/0 prev_pid=3 prev_prio=120 prev_state=S ==>
// next_comm=sleep next_pid=3733 next_prio=120
// sleep-3733 [000] d..3 1045157.725035: sched_switch:
// prev_comm=sleep prev_pid=3733 prev_prio=120 prev_state=R+ ==>
// next_comm=rcuop/0 next_pid=10 next_prio=120
// rcu_preempt-7 [000] d..3 1045157.725182: sched_switch:
// prev_comm=rcu_preempt prev_pid=7 prev_prio=120 prev_state=S ==>
// next_comm=sleep next_pid=3733 next_prio=120
// sleep-3733 [000] d..3 1045157.725671: sched_switch:
// prev_comm=sleep prev_pid=3733 prev_prio=120 prev_state=R+ ==>
// next_comm=sh next_pid=3513 next_prio=120
// sh-3513 [000] d..3 1045157.726668: sched_switch: prev_comm=sh
// prev_pid=3513 prev_prio=120 prev_state=S ==> next_comm=sleep
// next_pid=3733 next_prio=120
// sleep-3733 [000] d..3 1045157.726697: sched_switch:
// prev_comm=sleep prev_pid=3733 prev_prio=120 prev_state=x ==>
// next_comm=kworker/u16:3 next_pid=3681 next_prio=120
ExamplePage g_six_sched_switch{
"synthetic",
R"(
00000000: 2b16 c3be 90b6 0300 a001 0000 0000 0000 +...............
00000010: 1e00 0000 0000 0000 1000 0000 2f00 0103 ............/...
00000020: 0300 0000 6b73 6f66 7469 7271 642f 3000 ....ksoftirqd/0.
00000030: 0000 0000 0300 0000 7800 0000 0100 0000 ........x.......
00000040: 0000 0000 736c 6565 7000 722f 3000 0000 ....sleep.r/0...
00000050: 0000 0000 950e 0000 7800 0000 b072 8805 ........x....r..
00000060: 2f00 0103 950e 0000 736c 6565 7000 722f /.......sleep.r/
00000070: 3000 0000 0000 0000 950e 0000 7800 0000 0...........x...
00000080: 0008 0000 0000 0000 7263 756f 702f 3000 ........rcuop/0.
00000090: 0000 0000 0000 0000 0a00 0000 7800 0000 ............x...
000000a0: f0b0 4700 2f00 0103 0700 0000 7263 755f ..G./.......rcu_
000000b0: 7072 6565 6d70 7400 0000 0000 0700 0000 preempt.........
000000c0: 7800 0000 0100 0000 0000 0000 736c 6565 x...........slee
000000d0: 7000 722f 3000 0000 0000 0000 950e 0000 p.r/0...........
000000e0: 7800 0000 1001 ef00 2f00 0103 950e 0000 x......./.......
000000f0: 736c 6565 7000 722f 3000 0000 0000 0000 sleep.r/0.......
00000100: 950e 0000 7800 0000 0008 0000 0000 0000 ....x...........
00000110: 7368 0064 0065 722f 3000 0000 0000 0000 sh.d.er/0.......
00000120: b90d 0000 7800 0000 f0c7 e601 2f00 0103 ....x......./...
00000130: b90d 0000 7368 0064 0065 722f 3000 0000 ....sh.d.er/0...
00000140: 0000 0000 b90d 0000 7800 0000 0100 0000 ........x.......
00000150: 0000 0000 736c 6565 7000 722f 3000 0000 ....sleep.r/0...
00000160: 0000 0000 950e 0000 7800 0000 d030 0e00 ........x....0..
00000170: 2f00 0103 950e 0000 736c 6565 7000 722f /.......sleep.r/
00000180: 3000 0000 0000 0000 950e 0000 7800 0000 0...........x...
00000190: 4000 0000 0000 0000 6b77 6f72 6b65 722f @.......kworker/
000001a0: 7531 363a 3300 0000 610e 0000 7800 0000 u16:3...a...x...
000001b0: 0000 0000 0000 0000 0000 0000 0000 0000 ................
)",
};
TEST(CpuReaderTest, ParseSixSchedSwitch) {
const ExamplePage* test_case = &g_six_sched_switch;
BundleProvider bundle_provider(base::kPageSize);
ProtoTranslationTable* table = GetTable(test_case->name);
auto page = PageFromXxd(test_case->data);
EventFilter filter(*table, std::set<std::string>({"sched_switch"}));
ASSERT_TRUE(CpuReader::ParsePage(42 /* cpu number */, page.get(), &filter,
bundle_provider.writer(), table));
auto bundle = bundle_provider.ParseProto();
ASSERT_TRUE(bundle);
EXPECT_EQ(bundle->cpu(), 42ul);
ASSERT_EQ(bundle->event().size(), 6);
{
const protos::FtraceEvent& event = bundle->event().Get(1);
EXPECT_EQ(event.pid(), 3733ul);
EXPECT_TRUE(WithinOneMicrosecond(event.timestamp(), 1045157, 725035));
EXPECT_EQ(event.sched_switch().prev_comm(), "sleep");
EXPECT_EQ(event.sched_switch().prev_pid(), 3733);
EXPECT_EQ(event.sched_switch().prev_prio(), 120);
EXPECT_EQ(event.sched_switch().next_comm(), "rcuop/0");
EXPECT_EQ(event.sched_switch().next_pid(), 10);
EXPECT_EQ(event.sched_switch().next_prio(), 120);
}
}
TEST(CpuReaderTest, ParseAllFields) {
using FakeEventProvider =
ProtoProvider<pbzero::FakeFtraceEvent, FakeFtraceEvent>;
uint16_t ftrace_event_id = 102;
std::vector<Field> common_fields;
{
common_fields.emplace_back(Field{});
Field* field = &common_fields.back();
field->ftrace_offset = 0;
field->ftrace_size = 4;
field->ftrace_type = kFtraceUint32;
field->proto_field_id = 1;
field->proto_field_type = kProtoUint32;
SetTranslationStrategy(field->ftrace_type, field->proto_field_type,
&field->strategy);
}
std::vector<Event> events;
{
events.emplace_back(Event{});
Event* event = &events.back();
event->name = "";
event->group = "";
event->proto_field_id = 42;
event->ftrace_event_id = ftrace_event_id;
{
// uint32 -> uint32
event->fields.emplace_back(Field{});
Field* field = &event->fields.back();
field->ftrace_offset = 8;
field->ftrace_size = 4;
field->ftrace_type = kFtraceUint32;
field->proto_field_id = 1;
field->proto_field_type = kProtoUint32;
SetTranslationStrategy(field->ftrace_type, field->proto_field_type,
&field->strategy);
}
{
// char[16] -> string
event->fields.emplace_back(Field{});
Field* field = &event->fields.back();
field->ftrace_offset = 12;
field->ftrace_size = 16;
field->ftrace_type = kFtraceFixedCString;
field->proto_field_id = 500;
field->proto_field_type = kProtoString;
SetTranslationStrategy(field->ftrace_type, field->proto_field_type,
&field->strategy);
}
{
// char -> string
event->fields.emplace_back(Field{});
Field* field = &event->fields.back();
field->ftrace_offset = 28;
field->ftrace_size = 0;
field->ftrace_type = kFtraceCString;
field->proto_field_id = 501;
field->proto_field_type = kProtoString;
SetTranslationStrategy(field->ftrace_type, field->proto_field_type,
&field->strategy);
}
}
ProtoTranslationTable table(events, std::move(common_fields));
FakeEventProvider provider(base::kPageSize);
BinaryWriter writer;
writer.Write<int32_t>(1001); // Common field.
writer.Write<int32_t>(9999); // A gap we shouldn't read.
writer.Write<int32_t>(1002);
writer.WriteFixedString(16, "Hello");
writer.WriteFixedString(300, "Goodbye");
auto input = writer.GetCopy();
auto length = writer.written();
ASSERT_TRUE(CpuReader::ParseEvent(ftrace_event_id, input.get(),
input.get() + length, &table,
provider.writer()));
auto event = provider.ParseProto();
ASSERT_TRUE(event);
EXPECT_EQ(event->common_field(), 1001ul);
EXPECT_EQ(event->event_case(), FakeFtraceEvent::kAllFields);
EXPECT_EQ(event->all_fields().field_uint32(), 1002ul);
EXPECT_EQ(event->all_fields().field_char_16(), "Hello");
EXPECT_EQ(event->all_fields().field_char(), "Goodbye");
}
// # tracer: nop
// #
// # entries-in-buffer/entries-written: 86106/86106 #P:8
// #
// # _-----=> irqs-off
// # / _----=> need-resched
// # | / _---=> hardirq/softirq
// # || / _--=> preempt-depth
// # ||| / delay
// # TASK-PID CPU# |||| TIMESTAMP FUNCTION
// # | | | |||| | |
// <...>-3348 [000] d..3 112.247370: sched_switch: prev_comm=Jit
// thread pool prev_pid=3348 prev_prio=129 prev_state=R+ ==>
// next_comm=EventThread next_pid=624 next_prio=97
// EventThread-624 [000] d..3 112.247400: sched_switch:
// prev_comm=EventThread prev_pid=624 prev_prio=97 prev_state=S ==>
// next_comm=Jit thread pool next_pid=3348 next_prio=129
// <...>-3348 [000] d..3 112.255808: sched_switch: prev_comm=Jit
// thread pool prev_pid=3348 prev_prio=129 prev_state=S ==>
// next_comm=swapper/0 next_pid=0 next_prio=120
// <idle>-0 [000] d..3 112.263558: sched_switch:
// prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==>
// next_comm=DispSync next_pid=623 next_prio=97
// DispSync-623 [000] d..3 112.263620: sched_switch:
// prev_comm=DispSync prev_pid=623 prev_prio=97 prev_state=S ==>
// next_comm=swapper/0 next_pid=0 next_prio=120
// <idle>-0 [000] d..3 112.263896: sched_switch:
// prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==>
// next_comm=EventThread next_pid=624 next_prio=97
// EventThread-624 [000] d..3 112.263919: sched_switch:
// prev_comm=EventThread prev_pid=624 prev_prio=97 prev_state=S ==>
// next_comm=swapper/0 next_pid=0 next_prio=120
// <idle>-0 [000] d..3 112.266159: sched_switch:
// prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==>
// next_comm=sugov:0 next_pid=568 next_prio=49
// <...>-568 [000] d..3 112.266200: sched_switch:
// prev_comm=sugov:0 prev_pid=568 prev_prio=49 prev_state=S ==>
// next_comm=swapper/0 next_pid=0 next_prio=120
// <idle>-0 [000] d..3 112.267581: sched_switch:
// prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==>
// next_comm=DispSync next_pid=623 next_prio=97
// DispSync-623 [000] d..3 112.267615: sched_switch:
// prev_comm=DispSync prev_pid=623 prev_prio=97 prev_state=S ==>
// next_comm=swapper/0 next_pid=0 next_prio=120
// <idle>-0 [000] d..3 112.267650: sched_switch:
// prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==>
// next_comm=surfaceflinger next_pid=587 next_prio=98
// surfaceflinger-587 [000] d..3 112.268143: sched_switch:
// prev_comm=surfaceflinger prev_pid=587 prev_prio=98 prev_state=S ==>
// next_comm=swapper/0 next_pid=0 next_prio=120
// <idle>-0 [000] d..3 112.268348: sched_switch:
// prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==>
// next_comm=mdss_fb0 next_pid=5207 next_prio=83
// mdss_fb0-5207 [000] d..3 112.270246: sched_switch:
// prev_comm=mdss_fb0 prev_pid=5207 prev_prio=83 prev_state=D ==>
// next_comm=ksoftirqd/0 next_pid=3 next_prio=120
// <...>-3 [000] d..3 112.270561: sched_switch:
// prev_comm=ksoftirqd/0 prev_pid=3 prev_prio=120 prev_state=S ==>
// next_comm=swapper/0 next_pid=0 next_prio=120
// <idle>-0 [000] d..3 112.273353: sched_switch:
// prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==>
// next_comm=kworker/u16:6 next_pid=356 next_prio=120
// <...>-356 [000] d..3 112.273438: sched_switch:
// prev_comm=kworker/u16:6 prev_pid=356 prev_prio=120 prev_state=D
// ==> next_comm=swapper/0 next_pid=0 next_prio=120
// <idle>-0 [000] d..3 112.275699: sched_switch:
// prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==>
// next_comm=Binder:2168_15 next_pid=5350 next_prio=120
// <...>-5350 [000] d..3 112.275954: sched_switch:
// prev_comm=Binder:2168_15 prev_pid=5350 prev_prio=120 prev_state=S
// ==> next_comm=swapper/0 next_pid=0 next_prio=120
// <idle>-0 [000] d..3 112.276738: sched_switch:
// prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==>
// next_comm=kworker/u16:9 next_pid=1250 next_prio=120
// kworker/u16:9-1250 [000] d..3 112.276755: sched_switch:
// prev_comm=kworker/u16:9 prev_pid=1250 prev_prio=120 prev_state=S ==>
// next_comm=swapper/0 next_pid=0 next_prio=120
// <idle>-0 [000] d..3 112.276923: sched_switch:
// prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==>
// next_comm=kworker/u16:9 next_pid=1250 next_prio=120
// kworker/u16:9-1250 [000] d..3 112.276939: sched_switch:
// prev_comm=kworker/u16:9 prev_pid=1250 prev_prio=120 prev_state=S ==>
// next_comm=swapper/0 next_pid=0 next_prio=120
// <idle>-0 [000] d..3 112.277227: sched_switch:
// prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==>
// next_comm=kworker/u16:9 next_pid=1250 next_prio=120
// kworker/u16:9-1250 [000] d..3 112.277235: sched_switch:
// prev_comm=kworker/u16:9 prev_pid=1250 prev_prio=120 prev_state=S ==>
// next_comm=swapper/0 next_pid=0 next_prio=120
// <idle>-0 [000] d..3 112.280347: sched_switch:
// prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==>
// next_comm=DispSync next_pid=623 next_prio=97
// DispSync-623 [000] d..3 112.280403: sched_switch:
// prev_comm=DispSync prev_pid=623 prev_prio=97 prev_state=S ==>
// next_comm=ksoftirqd/0 next_pid=3 next_prio=120
// <...>-3 [000] d..3 112.280470: sched_switch:
// prev_comm=ksoftirqd/0 prev_pid=3 prev_prio=120 prev_state=S ==>
// next_comm=dex2oat next_pid=7988 next_prio=130
// <...>-7988 [000] d..3 112.280484: sched_switch:
// prev_comm=dex2oat prev_pid=7988 prev_prio=130 prev_state=R ==>
// next_comm=sugov:0 next_pid=568 next_prio=49
// <...>-568 [000] d..3 112.280498: sched_switch:
// prev_comm=sugov:0 prev_pid=568 prev_prio=49 prev_state=R+ ==>
// next_comm=migration/0 next_pid=13 next_prio=0
// migration/0-13 [000] d..3 112.280511: sched_switch:
// prev_comm=migration/0 prev_pid=13 prev_prio=0 prev_state=S ==>
// next_comm=sugov:0 next_pid=568 next_prio=49
// <...>-568 [000] d..3 112.280563: sched_switch:
// prev_comm=sugov:0 prev_pid=568 prev_prio=49 prev_state=S ==>
// next_comm=dex2oat next_pid=7988 next_prio=130
// <...>-7988 [000] d..3 112.280740: sched_switch:
// prev_comm=dex2oat prev_pid=7988 prev_prio=130 prev_state=D ==>
// next_comm=swapper/0 next_pid=0 next_prio=120
// <idle>-0 [000] d..3 112.281141: sched_switch:
// prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==>
// next_comm=android.hardwar next_pid=2770 next_prio=120
// <...>-2770 [000] d..3 112.281182: sched_switch:
// prev_comm=android.hardwar prev_pid=2770 prev_prio=120 prev_state=S
// ==> next_comm=swapper/0 next_pid=0 next_prio=120
// <idle>-0 [000] d..3 112.281576: sched_switch:
// prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==>
// next_comm=android.hardwar next_pid=2770 next_prio=120
// <...>-2770 [000] d..3 112.281602: sched_switch:
// prev_comm=android.hardwar prev_pid=2770 prev_prio=120 prev_state=S
// ==> next_comm=swapper/0 next_pid=0 next_prio=120
// <idle>-0 [000] d..3 112.282168: sched_switch:
// prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==>
// next_comm=android.hardwar next_pid=2770 next_prio=120
// <...>-2770 [000] d..3 112.282193: sched_switch:
// prev_comm=android.hardwar prev_pid=2770 prev_prio=120 prev_state=S
// ==> next_comm=swapper/0 next_pid=0 next_prio=120
// <idle>-0 [000] d..3 112.282890: sched_switch:
// prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==>
// next_comm=android.hardwar next_pid=2770 next_prio=120
// <...>-2770 [000] d..3 112.282914: sched_switch:
// prev_comm=android.hardwar prev_pid=2770 prev_prio=120 prev_state=S
// ==> next_comm=swapper/0 next_pid=0 next_prio=120
// <idle>-0 [000] d..3 112.284356: sched_switch:
// prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==>
// next_comm=DispSync next_pid=623 next_prio=97
// DispSync-623 [000] d..3 112.284398: sched_switch:
// prev_comm=DispSync prev_pid=623 prev_prio=97 prev_state=S ==>
// next_comm=swapper/0 next_pid=0 next_prio=120
// <idle>-0 [000] d..3 112.284434: sched_switch:
// prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==>
// next_comm=surfaceflinger next_pid=587 next_prio=98
// surfaceflinger-587 [000] d..3 112.284570: sched_switch:
// prev_comm=surfaceflinger prev_pid=587 prev_prio=98 prev_state=S ==>
// next_comm=swapper/0 next_pid=0 next_prio=120
// <idle>-0 [000] d..3 112.289826: sched_switch:
// prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==>
// next_comm=kworker/u16:6 next_pid=356 next_prio=120
// <...>-356 [000] d..3 112.289839: sched_switch:
// prev_comm=kworker/u16:6 prev_pid=356 prev_prio=120 prev_state=S
// ==> next_comm=swapper/0 next_pid=0 next_prio=120
// <idle>-0 [000] d..3 112.290021: sched_switch:
// prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==>
// next_comm=kworker/u16:6 next_pid=356 next_prio=120
// <...>-356 [000] d..3 112.290061: sched_switch:
// prev_comm=kworker/u16:6 prev_pid=356 prev_prio=120 prev_state=S
// ==> next_comm=swapper/0 next_pid=0 next_prio=120
// <idle>-0 [000] d..3 112.290949: sched_switch:
// prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==>
// next_comm=kworker/u16:6 next_pid=356 next_prio=120
// <...>-356 [000] d..3 112.290986: sched_switch:
// prev_comm=kworker/u16:6 prev_pid=356 prev_prio=120 prev_state=S
// ==> next_comm=swapper/0 next_pid=0 next_prio=120
// <idle>-0 [000] d..3 112.291102: sched_switch:
// prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==>
// next_comm=kworker/u16:6 next_pid=356 next_prio=120
// <...>-356 [000] d..3 112.291111: sched_switch:
// prev_comm=kworker/u16:6 prev_pid=356 prev_prio=120 prev_state=S
// ==> next_comm=swapper/0 next_pid=0 next_prio=120
// <idle>-0 [000] d..3 112.291408: sched_switch:
// prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==>
// next_comm=kworker/u16:6 next_pid=356 next_prio=120
// <...>-356 [000] d..3 112.291416: sched_switch:
// prev_comm=kworker/u16:6 prev_pid=356 prev_prio=120 prev_state=S
// ==> next_comm=swapper/0 next_pid=0 next_prio=120
// <idle>-0 [000] d..3 112.291435: sched_switch:
// prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==>
// next_comm=kworker/u16:6 next_pid=356 next_prio=120
// <...>-356 [000] d..3 112.291442: sched_switch:
// prev_comm=kworker/u16:6 prev_pid=356 prev_prio=120 prev_state=S
// ==> next_comm=swapper/0 next_pid=0 next_prio=120
// <idle>-0 [000] d..3 112.291512: sched_switch:
// prev_comm=swapper/0 prev_pid=0 prev_prio=120 prev_state=R ==>
// next_comm=kworker/u16:6 next_pid=356 next_prio=120
ExamplePage g_full_page_sched_switch{
"synthetic",
R"(
00000000: 31f2 7622 1a00 0000 b40f 0000 0000 0000 1.v"............
00000010: 1e00 0000 0000 0000 1000 0000 2f00 0103 ............/...
00000020: 140d 0000 4a69 7420 7468 7265 6164 2070 ....Jit thread p
00000030: 6f6f 6c00 140d 0000 8100 0000 0008 0000 ool.............
00000040: 0000 0000 4576 656e 7454 6872 6561 6400 ....EventThread.
00000050: 6572 0000 7002 0000 6100 0000 f057 0e00 er..p...a....W..
00000060: 2f00 0103 7002 0000 4576 656e 7454 6872 /...p...EventThr
00000070: 6561 6400 6572 0000 7002 0000 6100 0000 ead.er..p...a...
00000080: 0100 0000 0000 0000 4a69 7420 7468 7265 ........Jit thre
00000090: 6164 2070 6f6f 6c00 140d 0000 8100 0000 ad pool.........
000000a0: 50c2 0910 2f00 0103 140d 0000 4a69 7420 P.../.......Jit
000000b0: 7468 7265 6164 2070 6f6f 6c00 140d 0000 thread pool.....
000000c0: 8100 0000 0100 0000 0000 0000 7377 6170 ............swap
000000d0: 7065 722f 3000 0000 0000 0000 0000 0000 per/0...........
000000e0: 7800 0000 901a c80e 2f00 0103 0000 0000 x......./.......
000000f0: 7377 6170 7065 722f 3000 0000 0000 0000 swapper/0.......
00000100: 0000 0000 7800 0000 0000 0000 0000 0000 ....x...........
00000110: 4469 7370 5379 6e63 0069 6e67 6572 0000 DispSync.inger..
00000120: 6f02 0000 6100 0000 1064 1e00 2f00 0103 o...a....d../...
00000130: 6f02 0000 4469 7370 5379 6e63 0069 6e67 o...DispSync.ing
00000140: 6572 0000 6f02 0000 6100 0000 0100 0000 er..o...a.......
00000150: 0000 0000 7377 6170 7065 722f 3000 0000 ....swapper/0...
00000160: 0000 0000 0000 0000 7800 0000 9074 8600 ........x....t..
00000170: 2f00 0103 0000 0000 7377 6170 7065 722f /.......swapper/
00000180: 3000 0000 0000 0000 0000 0000 7800 0000 0...........x...
00000190: 0000 0000 0000 0000 4576 656e 7454 6872 ........EventThr
000001a0: 6561 6400 6572 0000 7002 0000 6100 0000 ead.er..p...a...
000001b0: d071 0b00 2f00 0103 7002 0000 4576 656e .q../...p...Even
000001c0: 7454 6872 6561 6400 6572 0000 7002 0000 tThread.er..p...
000001d0: 6100 0000 0100 0000 0000 0000 7377 6170 a...........swap
000001e0: 7065 722f 3000 0000 0000 0000 0000 0000 per/0...........
000001f0: 7800 0000 10cd 4504 2f00 0103 0000 0000 x.....E./.......
00000200: 7377 6170 7065 722f 3000 0000 0000 0000 swapper/0.......
00000210: 0000 0000 7800 0000 0000 0000 0000 0000 ....x...........
00000220: 7375 676f 763a 3000 0000 0000 0000 0000 sugov:0.........
00000230: 3802 0000 3100 0000 30d6 1300 2f00 0103 8...1...0.../...
00000240: 3802 0000 7375 676f 763a 3000 0000 0000 8...sugov:0.....
00000250: 0000 0000 3802 0000 3100 0000 0100 0000 ....8...1.......
00000260: 0000 0000 7377 6170 7065 722f 3000 0000 ....swapper/0...
00000270: 0000 0000 0000 0000 7800 0000 3049 a202 ........x...0I..
00000280: 2f00 0103 0000 0000 7377 6170 7065 722f /.......swapper/
00000290: 3000 0000 0000 0000 0000 0000 7800 0000 0...........x...
000002a0: 0000 0000 0000 0000 4469 7370 5379 6e63 ........DispSync
000002b0: 0069 6e67 6572 0000 6f02 0000 6100 0000 .inger..o...a...
000002c0: d07a 1000 2f00 0103 6f02 0000 4469 7370 .z../...o...Disp
000002d0: 5379 6e63 0069 6e67 6572 0000 6f02 0000 Sync.inger..o...
000002e0: 6100 0000 0100 0000 0000 0000 7377 6170 a...........swap
000002f0: 7065 722f 3000 0000 0000 0000 0000 0000 per/0...........
00000300: 7800 0000 d085 1100 2f00 0103 0000 0000 x......./.......
00000310: 7377 6170 7065 722f 3000 0000 0000 0000 swapper/0.......
00000320: 0000 0000 7800 0000 0000 0000 0000 0000 ....x...........
00000330: 7375 7266 6163 6566 6c69 6e67 6572 0000 surfaceflinger..
00000340: 4b02 0000 6200 0000 907a f000 2f00 0103 K...b....z../...
00000350: 4b02 0000 7375 7266 6163 6566 6c69 6e67 K...surfacefling
00000360: 6572 0000 4b02 0000 6200 0000 0100 0000 er..K...b.......
00000370: 0000 0000 7377 6170 7065 722f 3000 0000 ....swapper/0...
00000380: 0000 0000 0000 0000 7800 0000 305a 6400 ........x...0Zd.
00000390: 2f00 0103 0000 0000 7377 6170 7065 722f /.......swapper/
000003a0: 3000 0000 0000 0000 0000 0000 7800 0000 0...........x...
000003b0: 0000 0000 0000 0000 6d64 7373 5f66 6230 ........mdss_fb0
000003c0: 0000 0000 0000 0000 5714 0000 5300 0000 ........W...S...
000003d0: 10b1 9e03 2f00 0103 5714 0000 6d64 7373 ..../...W...mdss
000003e0: 5f66 6230 0000 0000 0000 0000 5714 0000 _fb0........W...
000003f0: 5300 0000 0200 0000 0000 0000 6b73 6f66 S...........ksof
00000400: 7469 7271 642f 3000 0000 0000 0300 0000 tirqd/0.........
00000410: 7800 0000 90bb 9900 2f00 0103 0300 0000 x......./.......
00000420: 6b73 6f66 7469 7271 642f 3000 0000 0000 ksoftirqd/0.....
00000430: 0300 0000 7800 0000 0100 0000 0000 0000 ....x...........
00000440: 7377 6170 7065 722f 3000 0000 0000 0000 swapper/0.......
00000450: 0000 0000 7800 0000 701e 5305 2f00 0103 ....x...p.S./...
00000460: 0000 0000 7377 6170 7065 722f 3000 0000 ....swapper/0...
00000470: 0000 0000 0000 0000 7800 0000 0000 0000 ........x.......
00000480: 0000 0000 6b77 6f72 6b65 722f 7531 363a ....kworker/u16:
00000490: 3600 0000 6401 0000 7800 0000 90a1 2900 6...d...x.....).
000004a0: 2f00 0103 6401 0000 6b77 6f72 6b65 722f /...d...kworker/
000004b0: 7531 363a 3600 0000 6401 0000 7800 0000 u16:6...d...x...
000004c0: 0200 0000 0000 0000 7377 6170 7065 722f ........swapper/
000004d0: 3000 0000 0000 0000 0000 0000 7800 0000 0...........x...
000004e0: b0e5 4f04 2f00 0103 0000 0000 7377 6170 ..O./.......swap
000004f0: 7065 722f 3000 0000 0000 0000 0000 0000 per/0...........
00000500: 7800 0000 0000 0000 0000 0000 4269 6e64 x...........Bind
00000510: 6572 3a32 3136 385f 3135 0000 e614 0000 er:2168_15......
00000520: 7800 0000 b0bd 7c00 2f00 0103 e614 0000 x.....|./.......
00000530: 4269 6e64 6572 3a32 3136 385f 3135 0000 Binder:2168_15..
00000540: e614 0000 7800 0000 0100 0000 0000 0000 ....x...........
00000550: 7377 6170 7065 722f 3000 0000 0000 0000 swapper/0.......
00000560: 0000 0000 7800 0000 d0bd 7e01 2f00 0103 ....x.....~./...
00000570: 0000 0000 7377 6170 7065 722f 3000 0000 ....swapper/0...
00000580: 0000 0000 0000 0000 7800 0000 0000 0000 ........x.......
00000590: 0000 0000 6b77 6f72 6b65 722f 7531 363a ....kworker/u16:
000005a0: 3900 0000 e204 0000 7800 0000 7016 0800 9.......x...p...
000005b0: 2f00 0103 e204 0000 6b77 6f72 6b65 722f /.......kworker/
000005c0: 7531 363a 3900 0000 e204 0000 7800 0000 u16:9.......x...
000005d0: 0100 0000 0000 0000 7377 6170 7065 722f ........swapper/
000005e0: 3000 0000 0000 0000 0000 0000 7800 0000 0...........x...
000005f0: 1004 5200 2f00 0103 0000 0000 7377 6170 ..R./.......swap
00000600: 7065 722f 3000 0000 0000 0000 0000 0000 per/0...........
00000610: 7800 0000 0000 0000 0000 0000 6b77 6f72 x...........kwor
00000620: 6b65 722f 7531 363a 3900 0000 e204 0000 ker/u16:9.......
00000630: 7800 0000 d0db 0700 2f00 0103 e204 0000 x......./.......
00000640: 6b77 6f72 6b65 722f 7531 363a 3900 0000 kworker/u16:9...
00000650: e204 0000 7800 0000 0100 0000 0000 0000 ....x...........
00000660: 7377 6170 7065 722f 3000 0000 0000 0000 swapper/0.......
00000670: 0000 0000 7800 0000 b0a2 8c00 2f00 0103 ....x......./...
00000680: 0000 0000 7377 6170 7065 722f 3000 0000 ....swapper/0...
00000690: 0000 0000 0000 0000 7800 0000 0000 0000 ........x.......
000006a0: 0000 0000 6b77 6f72 6b65 722f 7531 363a ....kworker/u16:
000006b0: 3900 0000 e204 0000 7800 0000 d02b 0400 9.......x....+..
000006c0: 2f00 0103 e204 0000 6b77 6f72 6b65 722f /.......kworker/
000006d0: 7531 363a 3900 0000 e204 0000 7800 0000 u16:9.......x...
000006e0: 0100 0000 0000 0000 7377 6170 7065 722f ........swapper/
000006f0: 3000 0000 0000 0000 0000 0000 7800 0000 0...........x...
00000700: d064 ef05 2f00 0103 0000 0000 7377 6170 .d../.......swap
00000710: 7065 722f 3000 0000 0000 0000 0000 0000 per/0...........
00000720: 7800 0000 0000 0000 0000 0000 4469 7370 x...........Disp
00000730: 5379 6e63 0069 6e67 6572 0000 6f02 0000 Sync.inger..o...
00000740: 6100 0000 f07d 1b00 2f00 0103 6f02 0000 a....}../...o...
00000750: 4469 7370 5379 6e63 0069 6e67 6572 0000 DispSync.inger..
00000760: 6f02 0000 6100 0000 0100 0000 0000 0000 o...a...........
00000770: 6b73 6f66 7469 7271 642f 3000 0000 0000 ksoftirqd/0.....
00000780: 0300 0000 7800 0000 304c 2000 2f00 0103 ....x...0L ./...
00000790: 0300 0000 6b73 6f66 7469 7271 642f 3000 ....ksoftirqd/0.
000007a0: 0000 0000 0300 0000 7800 0000 0100 0000 ........x.......
000007b0: 0000 0000 6465 7832 6f61 7400 3935 5f33 ....dex2oat.95_3
000007c0: 0000 0000 341f 0000 8200 0000 700b 0700 ....4.......p...
000007d0: 2f00 0103 341f 0000 6465 7832 6f61 7400 /...4...dex2oat.
000007e0: 3935 5f33 0000 0000 341f 0000 8200 0000 95_3....4.......
000007f0: 0000 0000 0000 0000 7375 676f 763a 3000 ........sugov:0.
00000800: 0000 0000 0000 0000 3802 0000 3100 0000 ........8...1...
00000810: 50b0 0600 2f00 0103 3802 0000 7375 676f P.../...8...sugo
00000820: 763a 3000 0000 0000 0000 0000 3802 0000 v:0.........8...
00000830: 3100 0000 0008 0000 0000 0000 6d69 6772 1...........migr
00000840: 6174 696f 6e2f 3000 0000 0000 0d00 0000 ation/0.........
00000850: 0000 0000 d09c 0600 2f00 0103 0d00 0000 ......../.......
00000860: 6d69 6772 6174 696f 6e2f 3000 0000 0000 migration/0.....
00000870: 0d00 0000 0000 0000 0100 0000 0000 0000 ................
00000880: 7375 676f 763a 3000 0000 0000 0000 0000 sugov:0.........
00000890: 3802 0000 3100 0000 7061 1900 2f00 0103 8...1...pa../...
000008a0: 3802 0000 7375 676f 763a 3000 0000 0000 8...sugov:0.....
000008b0: 0000 0000 3802 0000 3100 0000 0100 0000 ....8...1.......
000008c0: 0000 0000 6465 7832 6f61 7400 3935 5f33 ....dex2oat.95_3
000008d0: 0000 0000 341f 0000 8200 0000 f03c 5600 ....4........<V.
000008e0: 2f00 0103 341f 0000 6465 7832 6f61 7400 /...4...dex2oat.
000008f0: 3935 5f33 0000 0000 341f 0000 8200 0000 95_3....4.......
00000900: 0200 0000 0000 0000 7377 6170 7065 722f ........swapper/
00000910: 3000 0000 0000 0000 0000 0000 7800 0000 0...........x...
00000920: 5013 c400 2f00 0103 0000 0000 7377 6170 P.../.......swap
00000930: 7065 722f 3000 0000 0000 0000 0000 0000 per/0...........
00000940: 7800 0000 0000 0000 0000 0000 616e 6472 x...........andr
00000950: 6f69 642e 6861 7264 7761 7200 d20a 0000 oid.hardwar.....
00000960: 7800 0000 30c9 1300 2f00 0103 d20a 0000 x...0.../.......
00000970: 616e 6472 6f69 642e 6861 7264 7761 7200 android.hardwar.
00000980: d20a 0000 7800 0000 0100 0000 0000 0000 ....x...........
00000990: 7377 6170 7065 722f 3000 0000 0000 0000 swapper/0.......
000009a0: 0000 0000 7800 0000 7097 c000 2f00 0103 ....x...p.../...
000009b0: 0000 0000 7377 6170 7065 722f 3000 0000 ....swapper/0...
000009c0: 0000 0000 0000 0000 7800 0000 0000 0000 ........x.......
000009d0: 0000 0000 616e 6472 6f69 642e 6861 7264 ....android.hard
000009e0: 7761 7200 d20a 0000 7800 0000 305c 0c00 war.....x...0\..
000009f0: 2f00 0103 d20a 0000 616e 6472 6f69 642e /.......android.
00000a00: 6861 7264 7761 7200 d20a 0000 7800 0000 hardwar.....x...
00000a10: 0100 0000 0000 0000 7377 6170 7065 722f ........swapper/
00000a20: 3000 0000 0000 0000 0000 0000 7800 0000 0...........x...
00000a30: d0aa 1401 2f00 0103 0000 0000 7377 6170 ..../.......swap
00000a40: 7065 722f 3000 0000 0000 0000 0000 0000 per/0...........
00000a50: 7800 0000 0000 0000 0000 0000 616e 6472 x...........andr
00000a60: 6f69 642e 6861 7264 7761 7200 d20a 0000 oid.hardwar.....
00000a70: 7800 0000 903b 0c00 2f00 0103 d20a 0000 x....;../.......
00000a80: 616e 6472 6f69 642e 6861 7264 7761 7200 android.hardwar.
00000a90: d20a 0000 7800 0000 0100 0000 0000 0000 ....x...........
00000aa0: 7377 6170 7065 722f 3000 0000 0000 0000 swapper/0.......
00000ab0: 0000 0000 7800 0000 f024 5401 2f00 0103 ....x....$T./...
00000ac0: 0000 0000 7377 6170 7065 722f 3000 0000 ....swapper/0...
00000ad0: 0000 0000 0000 0000 7800 0000 0000 0000 ........x.......
00000ae0: 0000 0000 616e 6472 6f69 642e 6861 7264 ....android.hard
00000af0: 7761 7200 d20a 0000 7800 0000 f0f3 0b00 war.....x.......
00000b00: 2f00 0103 d20a 0000 616e 6472 6f69 642e /.......android.
00000b10: 6861 7264 7761 7200 d20a 0000 7800 0000 hardwar.....x...
00000b20: 0100 0000 0000 0000 7377 6170 7065 722f ........swapper/
00000b30: 3000 0000 0000 0000 0000 0000 7800 0000 0...........x...
00000b40: d0b5 bf02 2f00 0103 0000 0000 7377 6170 ..../.......swap
00000b50: 7065 722f 3000 0000 0000 0000 0000 0000 per/0...........
00000b60: 7800 0000 0000 0000 0000 0000 4469 7370 x...........Disp
00000b70: 5379 6e63 0069 6e67 6572 0000 6f02 0000 Sync.inger..o...
00000b80: 6100 0000 90cd 1400 2f00 0103 6f02 0000 a......./...o...
00000b90: 4469 7370 5379 6e63 0069 6e67 6572 0000 DispSync.inger..
00000ba0: 6f02 0000 6100 0000 0100 0000 0000 0000 o...a...........
00000bb0: 7377 6170 7065 722f 3000 0000 0000 0000 swapper/0.......
00000bc0: 0000 0000 7800 0000 50a6 1100 2f00 0103 ....x...P.../...
00000bd0: 0000 0000 7377 6170 7065 722f 3000 0000 ....swapper/0...
00000be0: 0000 0000 0000 0000 7800 0000 0000 0000 ........x.......
00000bf0: 0000 0000 7375 7266 6163 6566 6c69 6e67 ....surfacefling
00000c00: 6572 0000 4b02 0000 6200 0000 b04c 4200 er..K...b....LB.
00000c10: 2f00 0103 4b02 0000 7375 7266 6163 6566 /...K...surfacef
00000c20: 6c69 6e67 6572 0000 4b02 0000 6200 0000 linger..K...b...
00000c30: 0100 0000 0000 0000 7377 6170 7065 722f ........swapper/
00000c40: 3000 0000 0000 0000 0000 0000 7800 0000 0...........x...
00000c50: b025 060a 2f00 0103 0000 0000 7377 6170 .%../.......swap
00000c60: 7065 722f 3000 0000 0000 0000 0000 0000 per/0...........
00000c70: 7800 0000 0000 0000 0000 0000 6b77 6f72 x...........kwor
00000c80: 6b65 722f 7531 363a 3600 0000 6401 0000 ker/u16:6...d...
00000c90: 7800 0000 d0b6 0600 2f00 0103 6401 0000 x......./...d...
00000ca0: 6b77 6f72 6b65 722f 7531 363a 3600 0000 kworker/u16:6...
00000cb0: 6401 0000 7800 0000 0100 0000 0000 0000 d...x...........
00000cc0: 7377 6170 7065 722f 3000 0000 0000 0000 swapper/0.......
00000cd0: 0000 0000 7800 0000 f0a0 5800 2f00 0103 ....x.....X./...
00000ce0: 0000 0000 7377 6170 7065 722f 3000 0000 ....swapper/0...
00000cf0: 0000 0000 0000 0000 7800 0000 0000 0000 ........x.......
00000d00: 0000 0000 6b77 6f72 6b65 722f 7531 363a ....kworker/u16:
00000d10: 3600 0000 6401 0000 7800 0000 f07a 1300 6...d...x....z..
00000d20: 2f00 0103 6401 0000 6b77 6f72 6b65 722f /...d...kworker/
00000d30: 7531 363a 3600 0000 6401 0000 7800 0000 u16:6...d...x...
00000d40: 0100 0000 0000 0000 7377 6170 7065 722f ........swapper/
00000d50: 3000 0000 0000 0000 0000 0000 7800 0000 0...........x...
00000d60: b080 b101 2f00 0103 0000 0000 7377 6170 ..../.......swap
00000d70: 7065 722f 3000 0000 0000 0000 0000 0000 per/0...........
00000d80: 7800 0000 0000 0000 0000 0000 6b77 6f72 x...........kwor
00000d90: 6b65 722f 7531 363a 3600 0000 6401 0000 ker/u16:6...d...
00000da0: 7800 0000 103c 1200 2f00 0103 6401 0000 x....<../...d...
00000db0: 6b77 6f72 6b65 722f 7531 363a 3600 0000 kworker/u16:6...
00000dc0: 6401 0000 7800 0000 0100 0000 0000 0000 d...x...........
00000dd0: 7377 6170 7065 722f 3000 0000 0000 0000 swapper/0.......
00000de0: 0000 0000 7800 0000 50ea 3800 2f00 0103 ....x...P.8./...
00000df0: 0000 0000 7377 6170 7065 722f 3000 0000 ....swapper/0...
00000e00: 0000 0000 0000 0000 7800 0000 0000 0000 ........x.......
00000e10: 0000 0000 6b77 6f72 6b65 722f 7531 363a ....kworker/u16:
00000e20: 3600 0000 6401 0000 7800 0000 5032 0400 6...d...x...P2..
00000e30: 2f00 0103 6401 0000 6b77 6f72 6b65 722f /...d...kworker/
00000e40: 7531 363a 3600 0000 6401 0000 7800 0000 u16:6...d...x...
00000e50: 0100 0000 0000 0000 7377 6170 7065 722f ........swapper/
00000e60: 3000 0000 0000 0000 0000 0000 7800 0000 0...........x...
00000e70: 70f5 9000 2f00 0103 0000 0000 7377 6170 p.../.......swap
00000e80: 7065 722f 3000 0000 0000 0000 0000 0000 per/0...........
00000e90: 7800 0000 0000 0000 0000 0000 6b77 6f72 x...........kwor
00000ea0: 6b65 722f 7531 363a 3600 0000 6401 0000 ker/u16:6...d...
00000eb0: 7800 0000 10d7 0300 2f00 0103 6401 0000 x......./...d...
00000ec0: 6b77 6f72 6b65 722f 7531 363a 3600 0000 kworker/u16:6...
00000ed0: 6401 0000 7800 0000 0100 0000 0000 0000 d...x...........
00000ee0: 7377 6170 7065 722f 3000 0000 0000 0000 swapper/0.......
00000ef0: 0000 0000 7800 0000 907c 0900 2f00 0103 ....x....|../...
00000f00: 0000 0000 7377 6170 7065 722f 3000 0000 ....swapper/0...
00000f10: 0000 0000 0000 0000 7800 0000 0000 0000 ........x.......
00000f20: 0000 0000 6b77 6f72 6b65 722f 7531 363a ....kworker/u16:
00000f30: 3600 0000 6401 0000 7800 0000 7082 0300 6...d...x...p...
00000f40: 2f00 0103 6401 0000 6b77 6f72 6b65 722f /...d...kworker/
00000f50: 7531 363a 3600 0000 6401 0000 7800 0000 u16:6...d...x...
00000f60: 0100 0000 0000 0000 7377 6170 7065 722f ........swapper/
00000f70: 3000 0000 0000 0000 0000 0000 7800 0000 0...........x...
00000f80: f0ec 2100 2f00 0103 0000 0000 7377 6170 ..!./.......swap
00000f90: 7065 722f 3000 0000 0000 0000 0000 0000 per/0...........
00000fa0: 7800 0000 0000 0000 0000 0000 6b77 6f72 x...........kwor
00000fb0: 6b65 722f 7531 363a 3600 0000 6401 0000 ker/u16:6...d...
00000fc0: 7800 0000 0000 0000 0000 0000 0000 0000 x...............
00000fd0: 0000 0000 0000 0000 0000 0000 0000 0000 ................
00000fe0: 0000 0000 0000 0000 0000 0000 0000 0000 ................
00000ff0: 0000 0000 0000 0000 0000 0000 0000 0000 ................
)",
};
TEST(CpuReaderTest, ParseFullPageSchedSwitch) {
const ExamplePage* test_case = &g_full_page_sched_switch;
BundleProvider bundle_provider(base::kPageSize);
ProtoTranslationTable* table = GetTable(test_case->name);
auto page = PageFromXxd(test_case->data);
EventFilter filter(*table, std::set<std::string>({"sched_switch"}));
ASSERT_TRUE(CpuReader::ParsePage(42 /* cpu number */, page.get(), &filter,
bundle_provider.writer(), table));
auto bundle = bundle_provider.ParseProto();
ASSERT_TRUE(bundle);
EXPECT_EQ(bundle->cpu(), 42ul);
EXPECT_EQ(bundle->event().size(), 59);
}
} // namespace perfetto