[Lldb-commits] [PATCH] D122076: [trace][intelpt] Instruction count in trace info

Alisamar Husain via Phabricator via lldb-commits lldb-commits at lists.llvm.org
Sat Mar 19 12:59:02 PDT 2022


zrthxn created this revision.
zrthxn added a reviewer: wallace.
Herald added a project: All.
zrthxn requested review of this revision.
Herald added a project: LLDB.
Herald added a subscriber: lldb-commits.

Added a line to `thread trace dump info` results which shows total number of instructions executed until now.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D122076

Files:
  lldb/source/Plugins/Trace/intel-pt/TraceIntelPT.cpp
  lldb/test/API/commands/trace/TestTraceDumpInfo.py


Index: lldb/test/API/commands/trace/TestTraceDumpInfo.py
===================================================================
--- lldb/test/API/commands/trace/TestTraceDumpInfo.py
+++ lldb/test/API/commands/trace/TestTraceDumpInfo.py
@@ -38,4 +38,5 @@
             substrs=['''Trace technology: intel-pt
 
 thread #1: tid = 3842849
-  Raw trace size: 4096 bytes'''])
+  Raw trace size: 4096 bytes
+  Total number of instructions: 25'''])
Index: lldb/source/Plugins/Trace/intel-pt/TraceIntelPT.cpp
===================================================================
--- lldb/source/Plugins/Trace/intel-pt/TraceIntelPT.cpp
+++ lldb/source/Plugins/Trace/intel-pt/TraceIntelPT.cpp
@@ -105,12 +105,15 @@
 
 void TraceIntelPT::DumpTraceInfo(Thread &thread, Stream &s, bool verbose) {
   Optional<size_t> raw_size = GetRawTraceSize(thread);
+  size_t inst_size = (*Decode(thread)).GetInstructions().size();
   s.Printf("\nthread #%u: tid = %" PRIu64, thread.GetIndexID(), thread.GetID());
   if (!raw_size) {
     s.Printf(", not traced\n");
     return;
   }
-  s.Printf("\n  Raw trace size: %zu bytes\n", *raw_size);
+  s.Printf("\n");
+  s.Printf("  Raw trace size: %zu bytes\n", *raw_size);
+  s.Printf("  Total number of instructions: %zu\n", inst_size);
   return;
 }
 


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