| /* |
| * Copyright 2011 Google Inc. |
| * |
| * 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. |
| */ |
| |
| // Author: jmarantz@google.com (Joshua Marantz) |
| |
| #ifndef NET_INSTAWEB_REWRITER_PUBLIC_REWRITE_STATS_H_ |
| #define NET_INSTAWEB_REWRITER_PUBLIC_REWRITE_STATS_H_ |
| |
| #include <vector> |
| |
| #include "net/instaweb/rewriter/public/rewrite_driver_factory.h" |
| #include "pagespeed/kernel/base/basictypes.h" |
| |
| namespace net_instaweb { |
| |
| class Histogram; |
| class Statistics; |
| class ThreadSystem; |
| class TimedVariable; |
| class Timer; |
| class Variable; |
| class Waveform; |
| |
| // Collects a few specific statistics variables related to Rewriting. |
| class RewriteStats { |
| public: |
| static const char kNumCacheControlRewritableResources[]; |
| static const char kNumCacheControlNotRewritableResources[]; |
| static const char kNumResourceFetchSuccesses[]; |
| static const char kNumResourceFetchFailures[]; |
| static const char kResourceUrlDomainAcceptances[]; |
| static const char kResourceUrlDomainRejections[]; |
| |
| // Variable tracking number of downstream cache purges issued. |
| static const char kDownstreamCachePurgeAttempts[]; |
| // Variable tracking number of downstream cache purges that were |
| // successful (200s). |
| static const char kSuccessfulDownstreamCachePurges[]; |
| |
| RewriteStats(Statistics* stats, ThreadSystem* thread_system, Timer* timer); |
| ~RewriteStats(); |
| |
| static void InitStats(Statistics* statistics); |
| |
| Variable* cached_output_hits() { return cached_output_hits_; } |
| Variable* cached_output_missed_deadline() { |
| return cached_output_missed_deadline_; } |
| Variable* cached_output_misses() { return cached_output_misses_; |
| } |
| Variable* cached_resource_fetches() { return cached_resource_fetches_; } |
| Variable* failed_filter_resource_fetches() { |
| return failed_filter_resource_fetches_; |
| } |
| Variable* num_cache_control_rewritable_resources() { |
| return num_cache_control_rewritable_resources_; |
| } |
| Variable* num_cache_control_not_rewritable_resources() { |
| return num_cache_control_not_rewritable_resources_; |
| } |
| Variable* num_flushes() { return num_flushes_; } |
| Variable* resource_404_count() { return resource_404_count_; } |
| Variable* resource_url_domain_acceptances() { |
| return resource_url_domain_acceptances_; |
| } |
| Variable* resource_url_domain_rejections() { |
| return resource_url_domain_rejections_; |
| } |
| Variable* slurp_404_count() { return slurp_404_count_; } |
| Variable* succeeded_filter_resource_fetches() { |
| return succeeded_filter_resource_fetches_; |
| } |
| Variable* total_page_load_ms() { return total_page_load_ms_; } |
| // Note: page_load_count is a misnomer, it is really beacon count. |
| // TODO(sligocki): Rename to something more clear. |
| Variable* page_load_count() { return page_load_count_; } |
| Variable* fallback_responses_served() { |
| return fallback_responses_served_; |
| } |
| |
| Variable* num_proactively_freshen_user_facing_request() { |
| return num_proactively_freshen_user_facing_request_; |
| } |
| |
| Variable* fallback_responses_served_while_revalidate() { |
| return fallback_responses_served_while_revalidate_; |
| } |
| |
| Variable* num_conditional_refreshes() { return num_conditional_refreshes_; } |
| |
| Variable* ipro_served() { return ipro_served_; } |
| Variable* ipro_not_in_cache() { return ipro_not_in_cache_; } |
| Variable* ipro_not_rewritable() { return ipro_not_rewritable_; } |
| |
| Variable* downstream_cache_purge_attempts() { |
| return downstream_cache_purge_attempts_; |
| } |
| Variable* successful_downstream_cache_purges() { |
| return successful_downstream_cache_purges_; |
| } |
| |
| Histogram* beacon_timings_ms_histogram() { |
| return beacon_timings_ms_histogram_; |
| } |
| // .pagespeed. resource latency in ms. |
| Histogram* fetch_latency_histogram() { return fetch_latency_histogram_; } |
| // HTML rewrite latency in ms. |
| Histogram* rewrite_latency_histogram() { return rewrite_latency_histogram_; } |
| Histogram* backend_latency_histogram() { return backend_latency_histogram_; } |
| |
| // Number of .pagespeed. resources fetched. |
| TimedVariable* total_fetch_count() { return total_fetch_count_; } |
| // Number of HTML pages rewritten. |
| TimedVariable* total_rewrite_count() { return total_rewrite_count_; } |
| |
| Waveform* thread_queue_depth(RewriteDriverFactory::WorkerPoolCategory pool) { |
| return thread_queue_depths_[pool]; |
| } |
| |
| TimedVariable* num_rewrites_executed() { return num_rewrites_executed_; } |
| TimedVariable* num_rewrites_dropped() { return num_rewrites_dropped_; } |
| |
| private: |
| Variable* cached_output_hits_; |
| Variable* cached_output_missed_deadline_; |
| Variable* cached_output_misses_; |
| Variable* cached_resource_fetches_; |
| Variable* failed_filter_resource_fetches_; |
| Variable* num_cache_control_rewritable_resources_; |
| Variable* num_cache_control_not_rewritable_resources_; |
| Variable* num_flushes_; |
| Variable* page_load_count_; |
| Variable* resource_404_count_; |
| Variable* resource_url_domain_acceptances_; |
| Variable* resource_url_domain_rejections_; |
| Variable* slurp_404_count_; |
| Variable* succeeded_filter_resource_fetches_; |
| Variable* total_page_load_ms_; |
| Variable* fallback_responses_served_; |
| Variable* num_proactively_freshen_user_facing_request_; |
| Variable* fallback_responses_served_while_revalidate_; |
| Variable* num_conditional_refreshes_; |
| Variable* ipro_served_; |
| Variable* ipro_not_in_cache_; |
| Variable* ipro_not_rewritable_; |
| Variable* downstream_cache_purge_attempts_; |
| Variable* successful_downstream_cache_purges_; |
| |
| Histogram* beacon_timings_ms_histogram_; |
| Histogram* fetch_latency_histogram_; |
| Histogram* rewrite_latency_histogram_; |
| Histogram* backend_latency_histogram_; |
| |
| TimedVariable* total_fetch_count_; |
| TimedVariable* total_rewrite_count_; |
| TimedVariable* num_rewrites_executed_; |
| TimedVariable* num_rewrites_dropped_; |
| |
| std::vector<Waveform*> thread_queue_depths_; |
| |
| DISALLOW_COPY_AND_ASSIGN(RewriteStats); |
| }; |
| |
| } // namespace net_instaweb |
| |
| #endif // NET_INSTAWEB_REWRITER_PUBLIC_REWRITE_STATS_H_ |