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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "content/renderer/render_thread_impl.h" | 5 #include "content/renderer/render_thread_impl.h" |
6 | 6 |
7 #include <algorithm> | 7 #include <algorithm> |
8 #include <limits> | 8 #include <limits> |
9 #include <map> | 9 #include <map> |
10 #include <utility> | 10 #include <utility> |
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2228 } | 2228 } |
2229 | 2229 |
2230 void RenderThreadImpl::OnMemoryStateChange(base::MemoryState state) { | 2230 void RenderThreadImpl::OnMemoryStateChange(base::MemoryState state) { |
2231 if (blink_platform_impl_) { | 2231 if (blink_platform_impl_) { |
2232 blink::WebMemoryCoordinator::onMemoryStateChange( | 2232 blink::WebMemoryCoordinator::onMemoryStateChange( |
2233 static_cast<blink::MemoryState>(state)); | 2233 static_cast<blink::MemoryState>(state)); |
2234 } | 2234 } |
2235 } | 2235 } |
2236 | 2236 |
2237 void RenderThreadImpl::OnPurgeMemory() { | 2237 void RenderThreadImpl::OnPurgeMemory() { |
| 2238 // Record amount of purged memory after 2 seconds. 2 seconds is arbitrary |
| 2239 // but it works most cases. |
| 2240 RendererMemoryMetrics metrics; |
| 2241 GetRendererMemoryMetrics(&metrics); |
| 2242 GetRendererScheduler()->DefaultTaskRunner()->PostDelayedTask( |
| 2243 FROM_HERE, |
| 2244 base::Bind(&RenderThreadImpl::RecordPurgeMemory, base::Unretained(this), |
| 2245 std::move(metrics)), |
| 2246 base::TimeDelta::FromSeconds(2)); |
| 2247 |
2238 OnTrimMemoryImmediately(); | 2248 OnTrimMemoryImmediately(); |
2239 ReleaseFreeMemory(); | 2249 ReleaseFreeMemory(); |
2240 ClearMemory(); | 2250 ClearMemory(); |
2241 if (blink_platform_impl_) | 2251 if (blink_platform_impl_) |
2242 blink::WebMemoryCoordinator::onPurgeMemory(); | 2252 blink::WebMemoryCoordinator::onPurgeMemory(); |
2243 } | 2253 } |
2244 | 2254 |
| 2255 void RenderThreadImpl::RecordPurgeMemory(RendererMemoryMetrics before) { |
| 2256 RendererMemoryMetrics after; |
| 2257 GetRendererMemoryMetrics(&after); |
| 2258 int64_t mbytes = static_cast<int64_t>(before.total_allocated_mb) - |
| 2259 static_cast<int64_t>(after.total_allocated_mb); |
| 2260 if (mbytes < 0) |
| 2261 mbytes = 0; |
| 2262 UMA_HISTOGRAM_MEMORY_LARGE_MB("Memory.Experimental.Renderer.PurgedMemory", |
| 2263 mbytes); |
| 2264 } |
| 2265 |
2245 void RenderThreadImpl::ClearMemory() { | 2266 void RenderThreadImpl::ClearMemory() { |
2246 // Do not call into blink if it is not initialized. | 2267 // Do not call into blink if it is not initialized. |
2247 if (blink_platform_impl_) { | 2268 if (blink_platform_impl_) { |
2248 // Purge Skia font cache, by setting it to 0 and then again to the | 2269 // Purge Skia font cache, by setting it to 0 and then again to the |
2249 // previous limit. | 2270 // previous limit. |
2250 size_t font_cache_limit = SkGraphics::SetFontCacheLimit(0); | 2271 size_t font_cache_limit = SkGraphics::SetFontCacheLimit(0); |
2251 SkGraphics::SetFontCacheLimit(font_cache_limit); | 2272 SkGraphics::SetFontCacheLimit(font_cache_limit); |
2252 } | 2273 } |
2253 } | 2274 } |
2254 | 2275 |
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2432 } | 2453 } |
2433 } | 2454 } |
2434 | 2455 |
2435 void RenderThreadImpl::OnRendererInterfaceRequest( | 2456 void RenderThreadImpl::OnRendererInterfaceRequest( |
2436 mojom::RendererAssociatedRequest request) { | 2457 mojom::RendererAssociatedRequest request) { |
2437 DCHECK(!renderer_binding_.is_bound()); | 2458 DCHECK(!renderer_binding_.is_bound()); |
2438 renderer_binding_.Bind(std::move(request)); | 2459 renderer_binding_.Bind(std::move(request)); |
2439 } | 2460 } |
2440 | 2461 |
2441 } // namespace content | 2462 } // namespace content |
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