1 /*
2 * Copyright (C) 2024 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/importers/proto/jit_tracker.h"
18
19 #include <memory>
20 #include <string>
21 #include <utility>
22
23 #include "perfetto/base/logging.h"
24 #include "src/trace_processor/importers/common/address_range.h"
25 #include "src/trace_processor/importers/common/jit_cache.h"
26 #include "src/trace_processor/importers/common/mapping_tracker.h"
27 #include "src/trace_processor/importers/common/stack_profile_tracker.h"
28 #include "src/trace_processor/storage/trace_storage.h"
29 #include "src/trace_processor/types/trace_processor_context.h"
30
31 namespace perfetto::trace_processor {
32
JitTracker(TraceProcessorContext * context)33 JitTracker::JitTracker(TraceProcessorContext* context) : context_(context) {}
34 JitTracker::~JitTracker() = default;
35
CreateJitCache(std::string name,UniquePid upid,AddressRange range)36 JitCache* JitTracker::CreateJitCache(std::string name,
37 UniquePid upid,
38 AddressRange range) {
39 auto cache =
40 std::make_unique<JitCache>(context_, std::move(name), upid, range);
41 JitCache* cache_ptr = cache.get();
42 // Dealing with overlaps is complicated. Do we delete the entire range, only
43 // the overlap, how do we deal with requests to the old JitCache. And it
44 // doesn't really happen in practice (e.g. for v8 you would need to delete an
45 // isolate and recreate it.), so just make sure our assumption (this never
46 // happens) is correct with a check.
47 PERFETTO_CHECK(caches_[upid].Emplace(range, std::move(cache)));
48 context_->mapping_tracker->AddJitRange(upid, range, cache_ptr);
49 return cache_ptr;
50 }
51
52 } // namespace perfetto::trace_processor
53