diff options
Diffstat (limited to 'kernel/trace/Kconfig')
| -rw-r--r-- | kernel/trace/Kconfig | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig index e9e95c790b8e..197545241ab8 100644 --- a/kernel/trace/Kconfig +++ b/kernel/trace/Kconfig @@ -46,10 +46,10 @@ config HAVE_DYNAMIC_FTRACE_WITH_ARGS bool help If this is set, then arguments and stack can be found from - the pt_regs passed into the function callback regs parameter + the ftrace_regs passed into the function callback regs parameter by default, even without setting the REGS flag in the ftrace_ops. - This allows for use of regs_get_kernel_argument() and - kernel_stack_pointer(). + This allows for use of ftrace_regs_get_argument() and + ftrace_regs_get_stack_pointer(). config HAVE_DYNAMIC_FTRACE_NO_PATCHABLE bool @@ -82,6 +82,13 @@ config HAVE_OBJTOOL_MCOUNT help Arch supports objtool --mcount +config HAVE_OBJTOOL_NOP_MCOUNT + bool + help + Arch supports the objtool options --mcount with --mnop. + An architecture can select this if it wants to enable nop'ing + of ftrace locations. + config HAVE_C_RECORDMCOUNT bool help @@ -375,6 +382,7 @@ config SCHED_TRACER config HWLAT_TRACER bool "Tracer to detect hardware latencies (like SMIs)" select GENERIC_TRACER + select TRACER_MAX_TRACE help This tracer, when enabled will create one or more kernel threads, depending on what the cpumask file is set to, which each thread @@ -410,6 +418,7 @@ config HWLAT_TRACER config OSNOISE_TRACER bool "OS Noise tracer" select GENERIC_TRACER + select TRACER_MAX_TRACE help In the context of high-performance computing (HPC), the Operating System Noise (osnoise) refers to the interference experienced by an |