fix corner case of small traces

docs/utilities.rst

@@ -1,5 +1,5 @@
 ========================
-DFTracer Utility scripts 
+DFTracer Utility scripts
 ========================
 
 This section describes the utilities provided by DFTracer to assist users with logs.
@@ -12,14 +12,14 @@ All scripts are installed with DFTracer in the installation's directories bin fo
 Merge Trace script
 ------------------
 
-This script allows users to combine all pfw format into one. 
+This script allows users to combine all pfw format into one.
 This has the following signature.
 
 .. code-block:: bash
 
     <install-dir>/bin/dftracer_merge [-fcv] [-d input_directory] [-o output_file]
 
-Arguments for this script are 
+Arguments for this script are
 
 1. **-d input_directory** folder containing all trace files. Default `PWD`.
 2. **-o output_file** file for storing merged file. Default `combined.pfw`.
@@ -38,7 +38,7 @@ The script compacts all trace file and then divides the trace into equal file pi
 
     <install-dir>/bin/dftracer_compact [-fcv] [-d input_directory] [-o output_directory] [-l num_lines] [-p prefix]
 
-Arguments for this script are 
+Arguments for this script are
 
 1. **-d input_directory** specify input directories. Should contain .pfw or .pfw.gz files. Default `PWD`.
 2. **-o output_file** specify output directory. Default `combined.pfw`.
@@ -49,7 +49,6 @@ Arguments for this script are
 7. **-v** enable verbose mode.
 8. **-h** display help
 
-
 ------------------
 Sanitize script
 ------------------
@@ -110,7 +109,7 @@ Arguments for this script are:
 Splitting DFTracer traces
 ------------------
 
-The script splits the traces into equal sized chunk optiimzed for analysis
+The script splits the traces into equal sized chunk optimized for analysis
 
 .. code-block:: bash
 

script/dftracer_split

@@ -1,6 +1,6 @@
 #!/bin/bash
 
-# The script splits the traces into equal sized chunk optiimzed for analysis
+# The script splits the traces into equal sized chunk optimized for analysis
 # This has the following signature.
 #
 # usage: dftracer_split [-fv] [-n app_name] [-d input_directory] [-o output_directory] [-s chunk_size]
@@ -172,15 +172,21 @@ for file in sorted(glob.glob("*.pfw.gz")):
       accumulated_size += file_size_mb
       CHUNKS.append({"path": file, "size": file_size_mb, "start": start + 1, "end": max_lines + 1})
       file_size_mb = 0
-  if accumulated_size > 0:
-    print(json.dumps({"chunks": CHUNKS, "size": accumulated_size}))
+
+if len(CHUNKS) > 0:
+  print(json.dumps({"chunks": CHUNKS, "size": accumulated_size}))
+  accumulated_size = 0.0
+  CHUNKS = []
 EOF)
 
 i=0
 # count number of chunks by newline
 total_chunks=$(wc -l <<< "$PY_OUT")
 total_chunks=$((total_chunks - 1))
 JOBS_LIMIT=$(nproc --all)
+
+# echo $PY_OUT
+# echo $total_chunks
 for line in $PY_OUT; do
   running_jobs=$(jobs -rp | wc -l)
   if [ $running_jobs -ge $JOBS_LIMIT ]; then