tequilaOS/platform_system_vold
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Fully sync filesystem before time measurements.

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Also drop unneeded SCR register logging.

Bug: 21172095
Change-Id: I17c5aae2edc0eb7144ab38701f90a1fd54e119da
This commit is contained in:
Jeff Sharkey 2015-05-19 11:20:48 -07:00
parent 4351c9a08b
commit 721e5807ed
1 changed files with 7 additions and 2 deletions
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9
Benchmark.cpp
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@ -25,6 +25,7 @@
#include <sys/time.h>
#include <sys/resource.h>
#include <unistd.h>
using android::base::ReadFileToString;
using android::base::WriteStringToFile;
@ -72,10 +73,13 @@ nsecs_t Benchmark(const std::string& path, const std::string& sysPath) {
return -1;
}
sync();
LOG(INFO) << "Benchmarking " << path;
nsecs_t start = systemTime(SYSTEM_TIME_BOOTTIME);
BenchmarkCreate();
sync();
nsecs_t create = systemTime(SYSTEM_TIME_BOOTTIME);
if (!WriteStringToFile("3", "/proc/sys/vm/drop_caches")) {
@ -84,9 +88,11 @@ nsecs_t Benchmark(const std::string& path, const std::string& sysPath) {
nsecs_t drop = systemTime(SYSTEM_TIME_BOOTTIME);
BenchmarkRun();
sync();
nsecs_t run = systemTime(SYSTEM_TIME_BOOTTIME);
BenchmarkDestroy();
sync();
nsecs_t destroy = systemTime(SYSTEM_TIME_BOOTTIME);
nsecs_t create_d = create - start;
@ -108,8 +114,7 @@ nsecs_t Benchmark(const std::string& path, const std::string& sysPath) {
+ ",si=" + simpleRead(sysPath + "/size")
+ ",ve=" + simpleRead(sysPath + "/device/vendor")
+ ",mo=" + simpleRead(sysPath + "/device/model")
+ ",csd=" + simpleRead(sysPath + "/device/csd")
+ ",scr=" + simpleRead(sysPath + "/device/scr");
+ ",csd=" + simpleRead(sysPath + "/device/csd");
// Scrub CRC and serial number out of CID
std::string cid = simpleRead(sysPath + "/device/cid");