1 /*
2  * Copyright (C) 2018 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #include "src/trace_processor/storage/trace_storage.h"
18 
19 #include <string.h>
20 #include <algorithm>
21 #include <limits>
22 
23 #include "perfetto/ext/base/no_destructor.h"
24 
25 namespace perfetto {
26 namespace trace_processor {
27 
28 namespace {
29 
DbTableMaybeUpdateMinMax(const TypedColumn<int64_t> & ts_col,int64_t * min_value,int64_t * max_value,const TypedColumn<int64_t> * dur_col=nullptr)30 void DbTableMaybeUpdateMinMax(const TypedColumn<int64_t>& ts_col,
31                               int64_t* min_value,
32                               int64_t* max_value,
33                               const TypedColumn<int64_t>* dur_col = nullptr) {
34   if (ts_col.row_map().empty())
35     return;
36 
37   int64_t col_min = ts_col.Min()->AsLong();
38   int64_t col_max = ts_col.Max()->AsLong();
39 
40   if (dur_col) {
41     PERFETTO_CHECK(ts_col.IsSorted());
42     PERFETTO_CHECK(dur_col->row_map().size() == ts_col.row_map().size());
43     for (uint32_t i = 0; i < dur_col->row_map().size(); i++) {
44       col_max =
45           std::max(ts_col.Get(i).AsLong() + dur_col->Get(i).AsLong(), col_max);
46     }
47   }
48 
49   *min_value = std::min(*min_value, col_min);
50   *max_value = std::max(*max_value, col_max);
51 }
52 
CreateRefTypeStringMap()53 std::vector<NullTermStringView> CreateRefTypeStringMap() {
54   std::vector<NullTermStringView> map(static_cast<size_t>(RefType::kRefMax));
55   map[static_cast<size_t>(RefType::kRefNoRef)] = NullTermStringView();
56   map[static_cast<size_t>(RefType::kRefUtid)] = "utid";
57   map[static_cast<size_t>(RefType::kRefCpuId)] = "cpu";
58   map[static_cast<size_t>(RefType::kRefGpuId)] = "gpu";
59   map[static_cast<size_t>(RefType::kRefIrq)] = "irq";
60   map[static_cast<size_t>(RefType::kRefSoftIrq)] = "softirq";
61   map[static_cast<size_t>(RefType::kRefUpid)] = "upid";
62   map[static_cast<size_t>(RefType::kRefTrack)] = "track";
63   return map;
64 }
65 
66 }  // namespace
67 
GetRefTypeStringMap()68 const std::vector<NullTermStringView>& GetRefTypeStringMap() {
69   static const base::NoDestructor<std::vector<NullTermStringView>> map(
70       CreateRefTypeStringMap());
71   return map.ref();
72 }
73 
TraceStorage(const Config &)74 TraceStorage::TraceStorage(const Config&) {
75   for (uint32_t i = 0; i < variadic_type_ids_.size(); ++i) {
76     variadic_type_ids_[i] = InternString(Variadic::kTypeNames[i]);
77   }
78 }
79 
~TraceStorage()80 TraceStorage::~TraceStorage() {}
81 
RecordQueryBegin(const std::string & query,int64_t time_queued,int64_t time_started)82 uint32_t TraceStorage::SqlStats::RecordQueryBegin(const std::string& query,
83                                                   int64_t time_queued,
84                                                   int64_t time_started) {
85   if (queries_.size() >= kMaxLogEntries) {
86     queries_.pop_front();
87     times_queued_.pop_front();
88     times_started_.pop_front();
89     times_first_next_.pop_front();
90     times_ended_.pop_front();
91     popped_queries_++;
92   }
93   queries_.push_back(query);
94   times_queued_.push_back(time_queued);
95   times_started_.push_back(time_started);
96   times_first_next_.push_back(0);
97   times_ended_.push_back(0);
98   return static_cast<uint32_t>(popped_queries_ + queries_.size() - 1);
99 }
100 
RecordQueryFirstNext(uint32_t row,int64_t time_first_next)101 void TraceStorage::SqlStats::RecordQueryFirstNext(uint32_t row,
102                                                   int64_t time_first_next) {
103   // This means we've popped this query off the queue of queries before it had
104   // a chance to finish. Just silently drop this number.
105   if (popped_queries_ > row)
106     return;
107   uint32_t queue_row = row - popped_queries_;
108   PERFETTO_DCHECK(queue_row < queries_.size());
109   times_first_next_[queue_row] = time_first_next;
110 }
111 
RecordQueryEnd(uint32_t row,int64_t time_ended)112 void TraceStorage::SqlStats::RecordQueryEnd(uint32_t row, int64_t time_ended) {
113   // This means we've popped this query off the queue of queries before it had
114   // a chance to finish. Just silently drop this number.
115   if (popped_queries_ > row)
116     return;
117   uint32_t queue_row = row - popped_queries_;
118   PERFETTO_DCHECK(queue_row < queries_.size());
119   times_ended_[queue_row] = time_ended;
120 }
121 
GetTraceTimestampBoundsNs() const122 std::pair<int64_t, int64_t> TraceStorage::GetTraceTimestampBoundsNs() const {
123   int64_t start_ns = std::numeric_limits<int64_t>::max();
124   int64_t end_ns = std::numeric_limits<int64_t>::min();
125 
126   DbTableMaybeUpdateMinMax(raw_table_.ts(), &start_ns, &end_ns);
127   DbTableMaybeUpdateMinMax(sched_slice_table_.ts(), &start_ns, &end_ns,
128                            &sched_slice_table_.dur());
129   DbTableMaybeUpdateMinMax(counter_table_.ts(), &start_ns, &end_ns);
130   DbTableMaybeUpdateMinMax(slice_table_.ts(), &start_ns, &end_ns,
131                            &slice_table_.dur());
132   DbTableMaybeUpdateMinMax(heap_profile_allocation_table_.ts(), &start_ns,
133                            &end_ns);
134   DbTableMaybeUpdateMinMax(instant_table_.ts(), &start_ns, &end_ns);
135   DbTableMaybeUpdateMinMax(android_log_table_.ts(), &start_ns, &end_ns);
136   DbTableMaybeUpdateMinMax(heap_graph_object_table_.graph_sample_ts(),
137                            &start_ns, &end_ns);
138   DbTableMaybeUpdateMinMax(perf_sample_table_.ts(), &start_ns, &end_ns);
139 
140   if (start_ns == std::numeric_limits<int64_t>::max()) {
141     return std::make_pair(0, 0);
142   }
143   if (start_ns == end_ns) {
144     end_ns += 1;
145   }
146   return std::make_pair(start_ns, end_ns);
147 }
148 
149 }  // namespace trace_processor
150 }  // namespace perfetto
151