Lalit Maganti | caed37e | 2018-06-01 03:03:08 +0100 | [diff] [blame] | 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/trace_storage.h" |
| 18 | |
| 19 | #include <string.h> |
| 20 | |
| 21 | namespace perfetto { |
| 22 | namespace trace_processor { |
| 23 | |
Isabelle Taylor | 47328cf | 2018-06-12 14:33:59 +0100 | [diff] [blame] | 24 | TraceStorage::TraceStorage() { |
Lalit Maganti | 1f64cfa | 2018-09-18 13:20:02 +0100 | [diff] [blame] | 25 | // Upid/utid 0 is reserved for idle processes/threads. |
Primiano Tucci | b75dcee | 2018-08-08 12:21:36 +0100 | [diff] [blame] | 26 | unique_processes_.emplace_back(0); |
| 27 | unique_threads_.emplace_back(0); |
| 28 | |
| 29 | // Reserve string ID 0 for the empty string. |
Primiano Tucci | 2da5d2e | 2018-08-10 14:23:31 +0100 | [diff] [blame] | 30 | InternString(""); |
Isabelle Taylor | 47328cf | 2018-06-12 14:33:59 +0100 | [diff] [blame] | 31 | } |
| 32 | |
Lalit Maganti | 35622b7 | 2018-06-06 12:03:11 +0100 | [diff] [blame] | 33 | TraceStorage::~TraceStorage() {} |
Lalit Maganti | caed37e | 2018-06-01 03:03:08 +0100 | [diff] [blame] | 34 | |
Primiano Tucci | 2da5d2e | 2018-08-10 14:23:31 +0100 | [diff] [blame] | 35 | StringId TraceStorage::InternString(base::StringView str) { |
| 36 | auto hash = str.Hash(); |
Lalit Maganti | 35622b7 | 2018-06-06 12:03:11 +0100 | [diff] [blame] | 37 | auto id_it = string_index_.find(hash); |
| 38 | if (id_it != string_index_.end()) { |
Primiano Tucci | 2da5d2e | 2018-08-10 14:23:31 +0100 | [diff] [blame] | 39 | PERFETTO_DCHECK(base::StringView(string_pool_[id_it->second]) == str); |
Lalit Maganti | 35622b7 | 2018-06-06 12:03:11 +0100 | [diff] [blame] | 40 | return id_it->second; |
Lalit Maganti | caed37e | 2018-06-01 03:03:08 +0100 | [diff] [blame] | 41 | } |
Primiano Tucci | 2da5d2e | 2018-08-10 14:23:31 +0100 | [diff] [blame] | 42 | string_pool_.emplace_back(str.ToStdString()); |
Lalit Maganti | 35622b7 | 2018-06-06 12:03:11 +0100 | [diff] [blame] | 43 | StringId string_id = string_pool_.size() - 1; |
| 44 | string_index_.emplace(hash, string_id); |
| 45 | return string_id; |
Lalit Maganti | caed37e | 2018-06-01 03:03:08 +0100 | [diff] [blame] | 46 | } |
| 47 | |
Isabelle Taylor | a0a2297 | 2018-08-03 12:06:12 +0100 | [diff] [blame] | 48 | void TraceStorage::ResetStorage() { |
| 49 | *this = TraceStorage(); |
| 50 | } |
| 51 | |
Primiano Tucci | 5cb84f8 | 2018-10-31 21:46:36 -0700 | [diff] [blame^] | 52 | void TraceStorage::SqlStats::RecordQueryBegin(const std::string& query, |
| 53 | uint64_t time_queued, |
| 54 | uint64_t time_started) { |
| 55 | if (queries_.size() >= kMaxLogEntries) { |
| 56 | queries_.pop_front(); |
| 57 | times_queued_.pop_front(); |
| 58 | times_started_.pop_front(); |
| 59 | times_ended_.pop_front(); |
| 60 | } |
| 61 | queries_.push_back(query); |
| 62 | times_queued_.push_back(time_queued); |
| 63 | times_started_.push_back(time_started); |
| 64 | times_ended_.push_back(0); |
| 65 | } |
| 66 | |
| 67 | void TraceStorage::SqlStats::RecordQueryEnd(uint64_t time_ended) { |
| 68 | PERFETTO_DCHECK(!times_ended_.empty()); |
| 69 | PERFETTO_DCHECK(times_ended_.back() == 0); |
| 70 | times_ended_.back() = time_ended; |
| 71 | } |
| 72 | |
Lalit Maganti | caed37e | 2018-06-01 03:03:08 +0100 | [diff] [blame] | 73 | } // namespace trace_processor |
| 74 | } // namespace perfetto |