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| author |   Eric Anholt <eric@anholt.net> | 2016-03-31 14:19:56 -0700 |
|---|---|---|
| committer | Eric Anholt <eric@anholt.net> | 2016-04-04 11:03:07 -0700 |
| commit | bf9dbf50b1a3a8af3c72dc722bfb0137dda873f7 (patch) | |
| tree | d9270f416cd40b87dddf8012fb0ebf16db1fe385 /tools/perf/scripts/python/call-graph-from-postgresql.py | |
| parent | ARM: multi_v7_defconfig: Build in DWC2 USB support (diff) | |
| download | linux-rng-bf9dbf50b1a3a8af3c72dc722bfb0137dda873f7.tar.xz linux-rng-bf9dbf50b1a3a8af3c72dc722bfb0137dda873f7.zip | |
ARM: bcm2835: Switch BCM2835 to sdhci-iproc.c for MMC
This approximately triples write performance for the SD card. My card
is too full of important data to collect very reliable numbers, but I
see 271.361% +/- 166.742% improvement (n=3 before, 6 after), for 'dd
if=/dev/zero of=/boot/asdf bs=1M count=3 oflag=dsync,direct'. Read
performance appears to be unaffected.
Signed-off-by: Eric Anholt <eric@anholt.net>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Diffstat (limited to 'tools/perf/scripts/python/call-graph-from-postgresql.py')
0 files changed, 0 insertions, 0 deletions