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tracing: Remove boot tracer

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The boot tracer is useless. It simply logs the initcalls
but in fact these initcalls are also logged through printk
while using the initcall_debug kernel parameter.

Nobody seem to be using it so far. Then just remove it.

Signed-off-by: WANG Cong <xiyou.wangcong@gmail.com>
Cc: Chase Douglas <chase.douglas@canonical.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Li Zefan <lizf@cn.fujitsu.com>
LKML-Reference: <20100526105753.GA5677@cr0.nay.redhat.com>
[ remove the hooks in main.c, and the headers ]
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
This commit is contained in:
Américo Wang
2010-05-26 18:57:53 +08:00
committed by Frederic Weisbecker
parent b0f82b81fe
commit 30dbb20e68
8 changed files with 10 additions and 318 deletions
Download Patch File Download Diff File Expand all files Collapse all files

27
kernel/trace/trace_entries.h
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@@ -271,33 +271,6 @@ FTRACE_ENTRY(mmiotrace_map, trace_mmiotrace_map,
__entry->map_id, __entry->opcode)
);
FTRACE_ENTRY(boot_call, trace_boot_call,
TRACE_BOOT_CALL,
F_STRUCT(
__field_struct( struct boot_trace_call, boot_call )
__field_desc( pid_t, boot_call, caller )
__array_desc( char, boot_call, func, KSYM_SYMBOL_LEN)
),
F_printk("%d %s", __entry->caller, __entry->func)
);
FTRACE_ENTRY(boot_ret, trace_boot_ret,
TRACE_BOOT_RET,
F_STRUCT(
__field_struct( struct boot_trace_ret, boot_ret )
__array_desc( char, boot_ret, func, KSYM_SYMBOL_LEN)
__field_desc( int, boot_ret, result )
__field_desc( unsigned long, boot_ret, duration )
),
F_printk("%s %d %lx",
__entry->func, __entry->result, __entry->duration)
);
#define TRACE_FUNC_SIZE 30
#define TRACE_FILE_SIZE 20