Skip to content

Instantly share code, notes, and snippets.

View handymenny's full-sized avatar

Andrea Mennillo handymenny

68 followers · 14 following
View GitHub Profile
@handymenny
handymenny / gist:bc87e29732d9b636e4ce
Last active August 29, 2015 14:09
SD Benchmarks
kernel 3 CONFIG_PM_RUNTIME=y + CONFIG_MMC_CLKGATE=y (the write speed is not costant, many speed drops)
clkgate_delay: 200 500 700 1000
Read Speed: 12.7 MB/s 13.3 MB/s 13.3 MB/s 14.2 MB/s
Write Speed: 9.6 MB/s 10.9 MB/s 8.8 MB/s 9.5 MB/s
--------------------------------------------------------------------------------------------------------------------------
kernel 3 CONFIG_PM_RUNTIME=n + CONFIG_MMC_CLKGATE=y (the write speed is not costant, some speed drops)
clkgate_delay: 200 350 500 525 550 600 700 1000 2000
Read Speed: 13.5 MB/s 13.8 MB/s 13.8 MB/s 13.4 MB/s 14.0 MB/s 13.6 MB/s 12.8 MB/s 12.9 MB/s 12.8 MB/s
Write Speed: 9.6 MB/s 10.2 MB/s 11.2 MB/s 9.9 MB/s 9.6 MB/s 10.2 MB/s 11.5 MB/s 10.3 MB/s 10.2 MB/s
--------------------------------------------------------------------------------------------------------------------------
@handymenny
handymenny / gist:85a34539b1aa5beadbda
Last active August 29, 2015 14:09
mmc_sdcc: Dirty HACK Disable pm_runtime (Dirty patch)
diff --git a/drivers/mmc/host/msm_sdcc.c b/drivers/mmc/host/msm_sdcc.c
index b3d96cd..04d7756 100644
--- a/drivers/mmc/host/msm_sdcc.c
+++ b/drivers/mmc/host/msm_sdcc.c
@@ -2913,6 +2913,7 @@ static void msmsdcc_enable_sdio_irq(struct mmc_host *mmc, int enable)
}
#endif /* CONFIG_MMC_MSM_SDIO_SUPPORT */
+#undef CONFIG_PM_RUNTIME
#ifdef CONFIG_PM_RUNTIME
@handymenny
handymenny / latency_stats
Created November 19, 2014 20:13
LatencyTop
root@cooper:/ # cat /proc/latency_stats
Latency Top version : v0.1
31032 16366922 85970 binder_thread_read binder_ioctl vfs_ioctl do_vfs_ioctl sys_ioctl ret_fast_syscall
23869 20012150 5000 futex_wait_queue_me futex_wait do_futex sys_futex ret_fast_syscall
1484 3123526 59205 binder_ioctl vfs_ioctl do_vfs_ioctl sys_ioctl ret_fast_syscall
1811 3126667 5000 sys_epoll_wait ret_fast_syscall
2804 5245963 4998 adreno_waittimestamp kgsl_ioctl_device_waittimestamp kgsl_ioctl vfs_ioctl do_vfs_ioctl sys_ioctl ret_fast_syscall
2301 12023947 10857 mdp_lcdc_update mdp_dma_pan_update msm_fb_pan_display fb_pan_display fb_set_var do_fb_ioctl fb_ioctl vfs_ioctl do_vfs_ioctl sys_ioctl ret_fast_syscall
6637 5184500 5000 binder_thread_read binder_ioctl vfs_ioctl do_vfs_ioctl sys_ioctl ret_fast_syscall
243 312411 4153 hrtimer_nanosleep sys_nanosleep ret_fast_syscall
@handymenny
handymenny / debug_mmc_idle_timeout.patch
Last active August 29, 2015 14:10
diff --git a/drivers/mmc/host/msm_sdcc.c b/drivers/mmc/host/msm_sdcc.c
index 094ba54..d13c704 100644
--- a/drivers/mmc/host/msm_sdcc.c
+++ b/drivers/mmc/host/msm_sdcc.c
@@ -5238,6 +5238,8 @@ static int msmsdcc_runtime_idle(struct device *dev)
return 0;
/* Idle timeout is not configurable for now */
+
+ pr_info("MSM_MMC_IDLE_TIMEOUT: %d", MSM_MMC_IDLE_TIMEOUT);
@handymenny
handymenny / gist:b51efd2224df52bdb445
Created November 27, 2014 21:05
latency_stats
Latency Top version : v0.1
1433 1167833 4903 poll_schedule_timeout do_select core_sys_select sys_select ret_fast_syscall
1724 1356479 4861 unix_stream_recvmsg sock_aio_read do_sync_read vfs_read sys_read ret_fast_syscall
22822 9153457 5000 futex_wait_queue_me futex_wait do_futex sys_futex ret_fast_syscall
705 864802 4148 hrtimer_nanosleep sys_nanosleep ret_fast_syscall
9199 3772487 72976 binder_thread_read binder_ioctl vfs_ioctl do_vfs_ioctl sys_ioctl ret_fast_syscall
4807 1154813 4991 binder_thread_read binder_ioctl vfs_ioctl do_vfs_ioctl sys_ioctl ret_fast_syscall
1714 4763653 4990 binder_thread_read binder_ioctl vfs_ioctl do_vfs_ioctl sys_ioctl ret_fast_syscall
1130 1289405 4969 adb_read vfs_read sys_read ret_fast_syscall
661 1227888 4990 sys_epoll_wait ret_fast_syscall
@handymenny
handymenny / latency_stats
Created November 30, 2014 15:20
Latency Top version : v0.1
1 141 141 wait_answer_interruptible.isra.11 fuse_request_send fuse_do_getattr fuse_update_attributes fuse_getattr vfs_getattr vfs_fstat sys_fstat64 ret_fast_syscall
223168 63380819 4998 futex_wait_queue_me futex_wait do_futex sys_futex ret_fast_syscall
1882 2966641 5000 sys_epoll_wait ret_fast_syscall
7134 4576705 93829 binder_thread_read binder_ioctl vfs_ioctl do_vfs_ioctl sys_ioctl ret_fast_syscall
339 548407 33151 binder_ioctl vfs_ioctl do_vfs_ioctl sys_ioctl ret_fast_syscall
1050 866066 4970 binder_thread_read binder_ioctl vfs_ioctl do_vfs_ioctl sys_ioctl ret_fast_syscall
559 971503 4327 adreno_waittimestamp kgsl_ioctl_device_waittimestamp kgsl_ioctl vfs_ioctl do_vfs_ioctl sys_ioctl ret_fast_syscall
587 3158208 10828 mdp_lcdc_update mdp_dma_pan_update msm_fb_pan_display fb_pan_display fb_set_var do_fb_ioctl fb_ioctl vfs_ioctl do_vfs_ioctl sys_ioctl ret_fast_syscall
437 1176173 4995 binder_thread_read binder_ioctl vfs_ioctl do_vfs_ioctl sys_ioctl ret_fast_syscall
@handymenny
handymenny / gist:392550a8813aaa547755
Created December 7, 2014 08:40
mmc removed on suspend - Build #1999
<4>[ 5876.562531] [TSP] synaptics_ts_resume-
<6>[ 5876.562574] msm_batt_late_resume(): going to resume
<6>[ 5876.562624] msm_batt_send_event() : Resume event ocurred.events = 00000002
<6>[ 5876.562674] msm_batt_send_event(): Battery call Back thread not Started.
<6>[ 5876.562722] msm_batt_late_resume(): Handled Late resume event. rc = 0
<4>[ 5878.187896] [BACLKIGHT] : 0
<4>[ 5878.187911] Platform V:0, Find V:0
<4>[ 5878.191371] LCD Backlight OFF. tune:0,lcd:0
<6>[ 5878.197664] request_suspend_state: sleep (0->3) at 5878197997245 (2014-12-06 21:29:29.855673335 UTC)
<6>[ 5878.197726] msm_batt_early_suspend(): going to early suspend
@handymenny
handymenny / gist:155fe0b1435aaf250015
Created December 7, 2014 12:01
Latencies across all processes:
Maximum Average Count Reason
1227.71 ms 24.99 ms 1956 sleep_on_page
786.17 ms 1.01 ms 43158 binder_thread_read
765.15 ms 6.35 ms 1319 binder_ioctl
692.90 ms 23.47 ms 256 sleep_on_page_killable
670.69 ms 19.05 ms 205 sleep_on_buffer
442.29 ms 10.87 ms 824 sys_mprotect
441.71 ms 5.01 ms 1567 do_page_fault
373.21 ms 346.95 ms 434 refrigerator
@handymenny
handymenny / dmesg
Last active August 29, 2015 14:11
cm-12 androidboot.selinux=permissive
<6>[ 0.000000] Initializing cgroup subsys cpu
<5>[ 0.000000] Linux version 3.0.31-androidarmv6 (handymenny@handyarch) (gcc version 4.7 (GCC) ) #7 PREEMPT Fri Dec 19 15:44:15 CET 2014
<4>[ 0.000000] CPU: ARMv6-compatible processor [4117b365] revision 5 (ARMv6TEJ), cr=00c5387d
<4>[ 0.000000] CPU: VIPT aliasing data cache, unknown instruction cache
<4>[ 0.000000] Machine: GT-S5830 Board
<6>[ 0.000000] Partition (from atag) mibib -- Offset:0 Size:6
<6>[ 0.000000] Partition (from atag) qcsbl -- Offset:6 Size:2
<6>[ 0.000000] Partition (from atag) oemsbl -- Offset:8 Size:3
<6>[ 0.000000] Partition (from atag) amss -- Offset:b Size:64
<6>[ 0.000000] Partition (from atag) efs2 -- Offset:6f Size:24
@handymenny
handymenny / dmesg
Created December 19, 2014 17:12
cm-12.0 dmesg
<6>[ 0.000000] Initializing cgroup subsys cpu
<5>[ 0.000000] Linux version 3.0.31-androidarmv6 (jenkins@piripiri209) (gcc version 4.8 (GCC) ) #3 PREEMPT Thu Dec 18 16:51:44 CET 2014
<4>[ 0.000000] CPU: ARMv6-compatible processor [4117b365] revision 5 (ARMv6TEJ), cr=00c5387d
<4>[ 0.000000] CPU: VIPT aliasing data cache, unknown instruction cache
<4>[ 0.000000] Machine: GT-S5830 Board
<6>[ 0.000000] Partition (from atag) mibib -- Offset:0 Size:6
<6>[ 0.000000] Partition (from atag) qcsbl -- Offset:6 Size:2
<6>[ 0.000000] Partition (from atag) oemsbl -- Offset:8 Size:3
<6>[ 0.000000] Partition (from atag) amss -- Offset:b Size:64
<6>[ 0.000000] Partition (from atag) efs2 -- Offset:6f Size:24