Splitting script.

2 files changed, 61 insertions, 2 deletions

diff --git a/split b/split
index dc5c15c..123ea5c 100755
--- a/split
+++ b/split
@@ -2,8 +2,8 @@
 
 SPLITTER=ft2csv
 
-EVENTS="SCHED SCHED2 TICK CXS RELEASE RELEASE_LATENCY"
-BE_EVENTS="SEND_RESCHED"
+EVENTS="SCHED SCHED2 RELEASE LVLA_RELEASE"
+BE_EVENTS=""
 
 OPTS="-r"
 EXT=bin
diff --git a/split_schedulers_overheads.py b/split_schedulers_overheads.py
new file mode 100755
index 0000000..d478f80
--- /dev/null
+++ b/split_schedulers_overheads.py
@@ -0,0 +1,59 @@
+#!/usr/bin/env python
+
+import sys
+
+from operator import itemgetter
+
+COLS = {'scheduler': 0, 'overhead_type': 1, 'ts_size': 2}
+
+
+def load_csv_as_text(fname):
+    """Loads a CSV file but does not include comments."""
+    a = []
+    with open(fname, 'r') as f:
+        for line in f:
+            if line[0] != '#':
+                a.append(line.split(','))
+    return a
+
+def uniques_in_col(data, col):
+    """Get the unique items in a column."""
+    s = set()
+    for row in data:
+        s.add(row[col])
+    return s
+
+def write_file(data, scheduler, o_type):
+    """Pick out the specified scheduler and overhead type from data and write a
+    file.
+    
+    """
+
+    sched_col = COLS['scheduler']
+    overhead_col = COLS['overhead_type']
+    sched_nice = scheduler.strip()
+    overhead_nice = o_type.strip()
+    to_write = []
+
+    for row in data:
+        if row[sched_col] == scheduler and row[overhead_col] == o_type:
+            to_write.append(row)
+    if len(to_write) < 1:
+        print >>sys.stderr, "No rows? {0}, {1}".format(sched_nice, overhead_nice)
+    else:
+        f = open('scheduler={0}_overhead={1}.csv'.format(sched_nice, overhead_nice), 'w')
+        for row in sorted(to_write, key=lambda r: int(r[COLS['ts_size']])):
+            f.write(','.join(row))
+        f.close()
+
+def main():
+    data = load_csv_as_text(sys.argv[1])
+    schedulers = uniques_in_col(data, COLS['scheduler'])
+    overhead_types = uniques_in_col(data, COLS['overhead_type'])
+
+    for scheduler in schedulers:
+        for overhead_type in overhead_types:
+            write_file(data, scheduler, overhead_type)
+
+if __name__ == '__main__':
+    main()