diff options
| author | Wei Wang <wvw@google.com> | 2017-05-17 15:27:32 -0700 |
|---|---|---|
| committer | Wei Wang <wvw@google.com> | 2017-05-17 16:19:32 -0700 |
| commit | 88f424e979e885650f3e7e5994f49cd9f47235c8 (patch) | |
| tree | 205e3c16f6b11e1518e0e5c5f9292a564ba90569 | |
| parent | 922ee28abc59a641d3753bcc5d54817d36a232fb (diff) | |
| download | wahoo-88f424e979e885650f3e7e5994f49cd9f47235c8.tar.gz | |
wahoo: tune zram performance
-Switch to LZ4 for better overall performance
-Set max_comp_streams to num of cores since upstream also moves this to
percpu.
-Set page-cluster to 0 as the incremental cost of reading 1 page at a
time is negligible for zram
Bug: 38249616
Test: boot and run zram-perf showing better performance
Change-Id: I0b92b246d773db85aa03d033b2cecee54347cbd1
| -rw-r--r-- | fstab.hardware | 2 | ||||
| -rw-r--r-- | init.hardware.rc | 4 |
2 files changed, 5 insertions, 1 deletions
diff --git a/fstab.hardware b/fstab.hardware index 027b7886..413d1fa3 100644 --- a/fstab.hardware +++ b/fstab.hardware @@ -7,4 +7,4 @@ /dev/block/platform/soc/1da4000.ufshc/by-name/misc /misc emmc defaults defaults /dev/block/platform/soc/1da4000.ufshc/by-name/modem /firmware vfat ro,shortname=lower,uid=1000,gid=1000,dmask=227,fmask=337,context=u:object_r:firmware_file:s0 wait,slotselect /devices/soc/a800000.ssusb/a800000.dwc3* auto vfat defaults voldmanaged=usb:auto -/dev/block/zram0 none swap defaults zramsize=536870912 +/dev/block/zram0 none swap defaults zramsize=536870912,max_comp_streams=8 diff --git a/init.hardware.rc b/init.hardware.rc index c0330436..9239a4a8 100644 --- a/init.hardware.rc +++ b/init.hardware.rc @@ -143,6 +143,10 @@ on init # b/37682684 Enable suspend clock reporting write /sys/kernel/debug/clk/debug_suspend 1 + # ZRAM setup + write /sys/block/zram0/comp_algorithm lz4 + write /proc/sys/vm/page-cluster 0 + on fs wait /dev/block/platform/soc/${ro.boot.bootdevice} symlink /dev/block/platform/soc/${ro.boot.bootdevice} /dev/block/bootdevice |