trace_processor: add idle slices to the sched table
This makes reasoning about logic in SPAN JOIN a lot simpler and also
allows for analysis about CPU states during idle scheduling.
Change-Id: I3f8e994ad2a06206bda4ccbefd2c9b7cbf8b9371
diff --git a/src/trace_processor/trace_storage.cc b/src/trace_processor/trace_storage.cc
index 4781c23..813b24a 100644
--- a/src/trace_processor/trace_storage.cc
+++ b/src/trace_processor/trace_storage.cc
@@ -22,7 +22,7 @@
namespace trace_processor {
TraceStorage::TraceStorage() {
- // Upid/utid 0 is reserved for invalid processes/threads.
+ // Upid/utid 0 is reserved for idle processes/threads.
unique_processes_.emplace_back(0);
unique_threads_.emplace_back(0);