Messages in this thread | | | Date | Wed, 17 Mar 2010 05:53:30 -0400 | Subject | Can not get 'function_graph' for | From | Ryan Wang <> |
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Hi,
I have build 2.6.33.1 with ftrace on, but after reboot I cannot get function_graph from available_tracers. =============== # .config CONFIG_NOP_TRACER=y CONFIG_HAVE_FUNCTION_TRACER=y CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y CONFIG_TRACER_MAX_TRACE=y CONFIG_CONTEXT_SWITCH_TRACER=y CONFIG_GENERIC_TRACER=y CONFIG_FUNCTION_TRACER=y CONFIG_IRQSOFF_TRACER=y CONFIG_SYSPROF_TRACER=y CONFIG_SCHED_TRACER=y CONFIG_BOOT_TRACER=y CONFIG_BRANCH_TRACER=y # CONFIG_POWER_TRACER is not set CONFIG_KSYM_TRACER=y # CONFIG_PROFILE_KSYM_TRACER is not set CONFIG_STACK_TRACER=y CONFIG_WORKQUEUE_TRACER=y
====================================== # cat available_tracers ksym_tracer blk kmemtrace branch mmiotrace wakeup_rt wakeup irqsoff function sched_switch initcall nop
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