Messages in this thread Patch in this message | | | Date | Sat, 11 Oct 2008 22:52:00 +0200 | From | Frederic Weisbecker <> | Subject | [PATCH] tracing/ftrace: Make boot tracer select the sched_switch tracer |
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If the boot tracer is selected but not the sched_switch, there will be a build failure:
kernel/built-in.o: In function `boot_trace_init': trace_boot.c:(.text+0x5ee38): undefined reference to `sched_switch_trace' kernel/built-in.o: In function `disable_boot_trace': (.text+0x5eee1): undefined reference to `tracing_stop_cmdline_record' kernel/built-in.o: In function `enable_boot_trace': (.text+0x5ef11): undefined reference to `tracing_start_cmdline_record'
This patch fixes it.
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> --- diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig index 396aea1..d09c693 100644 --- a/kernel/trace/Kconfig +++ b/kernel/trace/Kconfig @@ -125,6 +125,7 @@ config BOOT_TRACER depends on HAVE_FTRACE depends on DEBUG_KERNEL select TRACING + select CONTEXT_SWITCH_TRACER help This tracer helps developers to optimize boot times: it records the timings of the initcalls. Its aim is to be parsed by the
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