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-rw-r--r--src/mem/CommMonitor.py7
-rw-r--r--src/mem/comm_monitor.cc27
2 files changed, 29 insertions, 5 deletions
diff --git a/src/mem/CommMonitor.py b/src/mem/CommMonitor.py
index 4e8cfe270..ba871357d 100644
--- a/src/mem/CommMonitor.py
+++ b/src/mem/CommMonitor.py
@@ -53,6 +53,13 @@ class CommMonitor(MemObject):
master = MasterPort("Master port")
slave = SlavePort("Slave port")
+ # Boolean to enable or disable the trace. Writes to an a file named based on
+ # SimObject hierarchy.
+ trace_enable = Param.Bool(False, "Enable trace capture")
+
+ # Boolean to compress the trace or not.
+ trace_compress = Param.Bool(True, "Enable trace compression")
+
# packet trace output file, disabled by default
trace_file = Param.String("", "Packet trace output file")
diff --git a/src/mem/comm_monitor.cc b/src/mem/comm_monitor.cc
index 70b8a6451..3bfaad289 100644
--- a/src/mem/comm_monitor.cc
+++ b/src/mem/comm_monitor.cc
@@ -58,11 +58,28 @@ CommMonitor::CommMonitor(Params* params)
traceStream(NULL),
system(params->system)
{
- // If we are using a trace file, then open the file,
- if (params->trace_file != "") {
- // If the trace file is not specified as an absolute path,
- // append the current simulation output directory
- std::string filename = simout.resolve(params->trace_file);
+ // If we are using a trace file, then open the file
+ if (params->trace_enable) {
+ std::string filename;
+ if (params->trace_file != "") {
+ // If the trace file is not specified as an absolute path,
+ // append the current simulation output directory
+ filename = simout.resolve(params->trace_file);
+
+ std::string suffix = ".gz";
+ // If trace_compress has been set, check the suffix. Append
+ // accordingly.
+ if (params->trace_compress &&
+ filename.compare(filename.size() - suffix.size(), suffix.size(),
+ suffix) != 0)
+ filename = filename + suffix;
+ } else {
+ // Generate a filename from the name of the SimObject. Append .trc
+ // and .gz if we want compression enabled.
+ filename = simout.resolve(name() + ".trc" +
+ (params->trace_compress ? ".gz" : ""));
+ }
+
traceStream = new ProtoOutputStream(filename);
// Create a protobuf message for the header and write it to