Limited filenames size for ATT plugin

(cherry picked from commit e31b7466c3bf9d8e69311752a617097f81d51355)
Change-Id: I2efd25e23a7c836df7526f743d68288b696d23b1


[ROCm/rocprofiler commit: 140dc5bb1a]

projects/rocprofiler/.gitignore

@@ -2,3 +2,4 @@ build
 compile_commands.json
 .cache
 .DS_Store
+plugin/att/__pycache__

projects/rocprofiler/plugin/att/att.cpp

@@ -45,6 +45,8 @@
 #include "rocprofiler_plugin.h"
 #include "../utils.h"
 
+#define ATT_FILENAME_MAXBYTES 96
+
 namespace {
 
 class att_plugin_t {
@@ -79,6 +81,10 @@ class att_plugin_t {
 
     std::string name_demangled = rocmtools::truncate_name(rocmtools::cxx_demangle(kernel_name_c));
 
+    if (name_demangled.size() > ATT_FILENAME_MAXBYTES) { // Limit filename size
+      name_demangled = name_demangled.substr(0, ATT_FILENAME_MAXBYTES);
+    }
+
     // Get the number of shader engine traces
     int se_num = att_tracer_record->shader_engine_data_count;
     std::string outpath;