diff --git a/msgpi/analysis.py b/msgpi/analysis.py
index 186a665..c5047c9 100644
--- a/msgpi/analysis.py
+++ b/msgpi/analysis.py
@@ -3,14 +3,14 @@
 import subprocess as sbp
 
 import msgpi.logger as mlog
-import msgpi.timer as mtime
+# import msgpi.timer as mtime
 import msgpi.presg as psg
 import msgpi.io.iosc as miosc
 import msgpi.io.iovabs as miovabs
 import msgpi.utils as utils
 
 
-def solve(sg_xml, analysis, ppcmd, solver, timeout=30, scrnout=True, logger=None):
+def solve(sg_xml, analysis, ppcmd, solver, timeout=30, scrnout=True, logger=None, timer=None):
     """Solve
 
     Parameters
@@ -40,40 +40,51 @@ def solve(sg_xml, analysis, ppcmd, solver, timeout=30, scrnout=True, logger=None
 
     # Preprocess
     logger.info('preprocessing...')
-    # t.start()
+
+    if timer:
+        timer.start()
     sg_in, smdim = psg.preSG(
         sg_xml, analysis, ppcmd, solver,
         timeout=timeout, scrnout=scrnout, logger=logger
     )
-    # t.stop()
+    if timer:
+        timer.stop()
 
     # Solve
     logger.info('running analysis...')
-    # t.start()
+    if timer:
+        timer.start()
     run(sg_in, analysis, solver, smdim, scrnout, logger=logger)
-    # t.stop()
+    if timer:
+        timer.stop()
 
     # Parse results
     # print('    - reading results...')
     logger.info('reading results...')
-    # t.start()
+    if timer:
+        timer.start()
     if analysis == 'h':
         if solver == 'vabs':
             sm = miovabs.readVABSOutHomo(sg_in + '.K')
-            # t.stop()
+            if timer:
+                timer.stop()
         elif solver == 'swiftcomp':
             sm = miosc.readSCOutHomo(sg_in + '.k', smdim)
-            # t.stop()
+            if timer:
+                timer.stop()
         return sm
     elif analysis == 'd':
-        # t.stop()
+        if timer:
+            timer.stop()
         pass
     elif 'f' in analysis:
         results = miosc.readSCOutFailure(sg_in, analysis)
-        # t.stop()
+        if timer:
+            timer.stop()
         return results
     
-    # t.stop()
+    if timer:
+        timer.stop()
 
 
 
diff --git a/msgpi/timer.py b/msgpi/timer.py
index ddf0e97..195b680 100644
--- a/msgpi/timer.py
+++ b/msgpi/timer.py
@@ -8,6 +8,7 @@ def __init__(self, name=None, text='Elapsed time {:0.4f} seconds', logger=print)
         self.name = name
         self.text = text
         self.logger = logger
+        self.records = []
 
         if name:
             self.timers.setdefault(name, 0)
@@ -29,6 +30,7 @@ def stop(self):
             self.logger(self.text.format(elapsed_time))
         if self.name:
             self.timers[self.name] += elapsed_time
+        self.records.append(elapsed_time)
 
         return elapsed_time