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authorLi Zefan <lizf@cn.fujitsu.com>2009-12-08 04:14:52 +0100
committerFrederic Weisbecker <fweisbec@gmail.com>2009-12-13 18:37:25 +0100
commit3b8e4273814a7f9e9a74ece517d9206fea919aaa (patch)
treeaa7960d90fe8cd4b04537bf9ea84ac73cb3b69ad /kernel/trace/ftrace.c
parenttracing: Pull up calls to trace_define_common_fields() (diff)
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tracing: Move a printk out of ftrace_raw_reg_event_foo()
Move the printk from each ftrace_raw_reg_event_foo() to its caller ftrace_event_enable_disable(). This avoids each regfunc trace event callbacks to handle a same error report that can be carried from the caller. See how much space this saves: text data bss dec hex filename 5345151 1961864 7103260 14410275 dbe223 vmlinux.o.old 5331487 1961864 7103260 14396611 dbacc3 vmlinux.o Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Acked-by: Steven Rostedt <rostedt@goodmis.org> Cc: Jason Baron <jbaron@redhat.com> LKML-Reference: <4B1DC4AC.802@cn.fujitsu.com> [start cmdline record before calling regfunc to avoid lost window of pid to comm resolution] Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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