New patch to review for coreboot: cb4a704 Get more informative output from cbmem.py

[Stefan Reinauer]

Stefan Reinauer ([e-mail]) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/1716

-gerrit

commit cb4a704f41f17f117c87d36669bb73a4eea31fe2
Author: Vadim Bendebury 
Date:   Fri Aug 31 11:15:37 2012 -0700

Get more informative output from cbmem.py

This is a cosmetic change which formats timestamp information
    retrieved by cbmem.py.

Instead of printing timestamps in a single line, print them one per
    line and add time (in us) elapsed since the previous timestamp.

time base 4149594, total entries 18
         1:56,928
         2:58,851  (1,923)
         3:175,230  (116,378)
         4:175,340  (109)
         8:177,199  (1,859)
         9:214,368  (37,168)
         10:214,450  (81)
         30:214,462  (11)
         40:215,205  (743)
         50:217,180  (1,974)
         60:217,312  (132)
         70:436,984  (219,671)
         75:436,993  (8)
         80:441,424  (4,431)
         90:442,487  (1,062)
         99:553,777  (111,289)
         1000:556,513  (2,736)
         1100:824,621  (268,107)

Change-Id: I0d25cafe766c10377017697e6b206276e1a92992
    Signed-off-by: Vadim Bendebury 
---
 util/cbmem/cbmem.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/util/cbmem/cbmem.py b/util/cbmem/cbmem.py
index 839393b..70ccc00 100755
--- a/util/cbmem/cbmem.py
+++ b/util/cbmem/cbmem.py
@@ -136,10 +136,16 @@ def process_timers(base):
     print('\ntime base %d, total entries %d' % (header.base_time, header.entr))
     clock_freq = get_cpu_freq()
     base = base + header.struct_len
+    prev_time = 0
     for i in range(header.entr):
         timestamp = TimestampEntry(base)
         print '%d:%s ' % (timestamp.timer_id,
             normalize_timer(timestamp.timer_value, clock_freq)),
+        if prev_time:
+            print '(%s)' % normalize_timer(
+                timestamp.timer_value - prev_time, clock_freq),
+        prev_time = timestamp.timer_value
+        print
         base = base + timestamp.struct_len
     print