diff options
Diffstat (limited to 'kernel/trace/Kconfig')
| -rw-r--r-- | kernel/trace/Kconfig | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig index 006eefb6ede0..d8b00f94c63d 100644 --- a/kernel/trace/Kconfig +++ b/kernel/trace/Kconfig @@ -89,6 +89,31 @@ config RING_BUFFER_ALLOW_SWAP Allow the use of ring_buffer_swap_cpu. Adds a very slight overhead to tracing when enabled. +config IPC_LOGGING + bool "Debug Logging for IPC Drivers" + select GENERIC_TRACER + help + This option allows the debug logging for IPC Drivers. + + If in doubt, say no. + +config QCOM_RTB + bool "Register tracing" + help + Add support for logging different events to a small uncached + region. This is designed to aid in debugging reset cases where the + caches may not be flushed before the target resets. + +config QCOM_RTB_SEPARATE_CPUS + bool "Separate entries for each cpu" + depends on QCOM_RTB + depends on SMP + help + Under some circumstances, it may be beneficial to give dedicated space + for each cpu to log accesses. Selecting this option will log each cpu + separately. This will guarantee that the last acesses for each cpu + will be logged but there will be fewer entries per cpu + # All tracer options should select GENERIC_TRACER. For those options that are # enabled by all tracers (context switch and event tracer) they select TRACING. # This allows those options to appear when no other tracer is selected. But the @@ -111,6 +136,20 @@ config GENERIC_TRACER bool select TRACING +if TRACING + +config DISABLE_TRACE_PRINTK + bool "Force disable trace_printk() usage" + default y + help + When trace_printk() is used in any of the kernel source, it enables + debugging functions which are not desired for production kernel. + Enabling this option will replace trace_printk() with pr_debug(). + + If in doubt, say Y. + +endif + # # Minimum requirements an architecture has to meet for us to # be able to offer generic tracing facilities: @@ -499,6 +538,19 @@ config FUNCTION_PROFILER If in doubt, say N. +config CPU_FREQ_SWITCH_PROFILER + bool "CPU frequency switch time profiler" + select GENERIC_TRACER + help + This option enables the CPU frequency switch profiler. A file is + created in debugfs called "cpu_freq_switch_profile_enabled", which + defaults to zero. When a 1 is echoed into this file, profiling begins. + When a zero is echoed, profiling stops. A "cpu_freq_switch" file is + also created in the trace_stats directory; this file shows the + switches that have occurred and duration statistics. + + If in doubt, say N. + config FTRACE_MCOUNT_RECORD def_bool y depends on DYNAMIC_FTRACE |