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linux:fs:btrfs_vs_ext4 [2016/04/20 08:08]
niziak [Setup] 		linux:fs:btrfs_vs_ext4 [2016/04/20 09:10] (current)
niziak [Buildroot build performance test]
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 Before each test system cache was emptied: Before each test system cache was emptied:
-<code bash>sudo echo 3 > /​proc/​sys/​vm/​drop_caches</​code>​+<code bash># echo 3 > /​proc/​sys/​vm/​drop_caches</​code>​
 ===== Buildroot build performance test ==== ===== Buildroot build performance test ====
  
 ^   ​test ​                  ​^ ​  ​EXT4 ​                                                 ^   ​BTRFS ​                                                        ^ ^   ​test ​                  ​^ ​  ​EXT4 ​                                                 ^   ​BTRFS ​                                                        ^
-| make toolchain ​          ​|''​real 6m7.255s \\ user 24m10.084s \\ sys   ​1m39.960s'' ​ |''​real 6m13.194s \\ user  23m56.444s \\ sys 1m41.756s'' ​         | +| make toolchain ​          ​|''​real 6m7.255s \\ user 24m10.084s \\ sys 1m39.960s'' ​   |''​real 6m13.194s \\ user  23m56.444s \\ sys 1m41.756s'' ​         | 
-| make uboot               ​| ​         |           ​| +| make uboot               |''​real 0m14.012s \\ user 0m29.096s \\ sys 0m2.008s'' ​    |''​real ​ 0m12.640s \\  user  0m28.872s \\ sys  0m2.080s'' ​        |  
-| make linux               ​| ​         |           ​| +| make linux               |''​real 2m4.305s \\ user 11m38.244s \\ sys 0m37.728s'' ​   ​|''​real 2m2.923s \\ user 11m40.824s \\ sys 0m37.316s'' ​           ​| 
-| make linux-reconfigure ​  ​| ​         |           ​|+| make linux-reconfigure ​  |''​real 0m38.449s \\ user 0m15.380s \\ sys 0m2.352s'' ​    |''​real 0m35.751s \\ user 0m15.564s \\ sys 0m2.320s'' ​            | 
 +| make clean && ​           |''​real 0m10.746s \\ user 0m1.740s \\ sys 0m1.528s'' ​     |''​real 0m15.921s \\ user 0m1.588s \\ sys 0m3.412s'' ​             | 
 +| make sync                |''​real 0m0.185s \\ user 0m0.000s \\ sys 0m0.000s'' ​      ​|''​real 0m0.502s \\ user 0m0.000s \\ sys 0m0.072s'' ​              | 
 +| grep -r dupa             ​|''​real 0m9.038s \\ user 0m0.264s \\ sys 0m0.284s'' ​      ​|''​real 0m4.719s \\ user 0m0.212s \\ sys 0m0.296s'' ​              | 
 +| git checkout ​            ​|''​real 0m26.680s \\ user 0m1.712s \\ sys 0m0.700s'' ​     |''​real 0m19.952s \\ user 0m1.672s \\ sys 0m1.192s'' ​             ​|
  
  
  
-kupa  
-  dupa 
-  dupa