From ce89cf6e3c5bb3971cc48437d78aa272443d7881 Mon Sep 17 00:00:00 2001
From: Gopi Krishna Nedanuri <gnedanur@codeaurora.org>
Date: Thu, 14 Sep 2017 16:19:39 +0530
Subject: [PATCH] lrdp_v2: Optimize extraction of etr buffer
Reading byte by byte takes lot of time. So read complete buffer
at a time.
Change-Id: Ie9dcb74d9b75ee3adf2c7940a4b6530525a073fe
---
linux-ramdump-parser-v2/qdss.py | 20 +++++++-------------
1 file changed, 7 insertions(+), 13 deletions(-)
mode change 100755 => 100644 linux-ramdump-parser-v2/qdss.py
diff --git a/linux-ramdump-parser-v2/qdss.py b/linux-ramdump-parser-v2/qdss.py
old mode 100755
new mode 100644
index 261d792..81a9d22
--- a/linux-ramdump-parser-v2/qdss.py
+++ b/linux-ramdump-parser-v2/qdss.py
@@ -347,10 +347,7 @@ class QDSSDump():
start = dbaddr
else:
break
-
- for i in it:
- val = ram_dump.read_byte(i, False)
- tmc_etr.write(struct.pack("<B",val))
+ tmc_etr.write(ram_dump.read_physical(it[0], len(it)))
else:
while continue_looping:
entry = ram_dump.read_u32(start, False)
@@ -366,10 +363,7 @@ class QDSSDump():
continue_looping = False
else:
break
-
- for i in it:
- val = ram_dump.read_byte(i, False)
- tmc_etr.write(struct.pack("<B",val))
+ tmc_etr.write(ram_dump.read_physical(it[0], len(it)))
def save_etr_bin(self, ram_dump):
tmc_etr = ram_dump.open_file('tmc-etr.bin')
@@ -416,13 +410,13 @@ class QDSSDump():
else:
print_out_str('Contiguous memory type was selected for TMC ETR')
if (sts & 0x1) == 1:
- it = itertools.chain(range(rwpval, dbaddr+rsz), range(dbaddr, rwpval))
+ it1 = range(rwpval, dbaddr+rsz)
+ it2 = range(dbaddr, rwpval)
+ tmc_etr.write(ram_dump.read_physical(it1[0], len(it)))
+ tmc_etr.write(ram_dump.read_physical(it2[0], len(it)))
else:
it = range(dbaddr, dbaddr+rsz)
-
- for i in it:
- val = ram_dump.read_byte(i, False)
- tmc_etr.write(struct.pack("<B",val))
+ tmc_etr.write(ram_dump.read_physical(it[0], len(it)))
else:
print_out_str ('!!! ETR was not the current sink!')
--
GitLab