diff options
| author | Tony Lin <tony.lin@freescale.com> | 2011-01-11 18:01:03 +0800 |
|---|---|---|
| committer | Jason Liu <r64343@freescale.com> | 2012-07-20 13:10:50 +0800 |
| commit | c6d3e104076bdf671dba9f0e83c48ae9b4da1830 (patch) | |
| tree | c92c227abd9e37ec817302f2ebee6a774497fb9c /drivers/misc/Kconfig | |
| parent | 580c8ab61455de1efc9eabcf5a1ae8aff7481784 (diff) | |
ENGR00137979-1 add performance monitor driver
add performance monitor driver.
sample:
cd /sys/devices/platform/mxs-perfmon.0/
'echo 1 > MIDn-xxx' to enable monitor this channel
n: channel number; xxx: name of channel (PXP, LCD...)
you can enable the multiple channels you want to
monitor respectively using this command.
use following command to check the channel is enabled
'cat MIDn-xxx'
1: enable; 0: disable
'echo read > Monitor' to monitor all read activities
'echo start > Monitor' to start monitoring
'echo fetch > Monitor' to get a snapshot of monitor statistics.
'cat xxx_Count' to show the statistics.
xxx: name of statistics, (Data, Transfer, Latency...)
'echo clear > Monitor' to clear snapshot of monitor statistics.
'echo stop > Monitor' to stop monitoring
Signed-off-by: Tony Lin <tony.lin@freescale.com>
Diffstat (limited to 'drivers/misc/Kconfig')
| -rw-r--r-- | drivers/misc/Kconfig | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig index 56c05efa027f..32c3ffef1f62 100644 --- a/drivers/misc/Kconfig +++ b/drivers/misc/Kconfig @@ -490,6 +490,11 @@ config PCH_PHUB To compile this driver as a module, choose M here: the module will be called pch_phub. +config MXS_PERFMON + tristate "i.MX Performance Monitor" + depends on ARCH_MX50 + default y + source "drivers/misc/c2port/Kconfig" source "drivers/misc/eeprom/Kconfig" source "drivers/misc/cb710/Kconfig" |