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perf events: Remove CONFIG_EVENT_PROFILE

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Quoted from Ingo:

| This reminds me - i think we should eliminate CONFIG_EVENT_PROFILE -
| it's an unnecessary Kconfig complication. If both PERF_EVENTS and
| EVENT_TRACING is enabled we should expose generic tracepoints.
|
| Nor is it limited to event 'profiling', so it has become a misnomer as
| well.

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <4B2F1557.2050705@cn.fujitsu.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Li Zefan 2009-12-21 14:27:35 +08:00 • committed by Ingo Molnar
commit 07b139c8c8
11 changed files with 28 additions and 40 deletions
Download patch file Download diff file Expand all files Collapse all files

4
kernel/perf_event.c
View file

@ -4177,7 +4177,7 @@ static const struct pmu perf_ops_task_clock = {
.read = task_clock_perf_event_read,
};
#ifdef CONFIG_EVENT_PROFILE
#ifdef CONFIG_EVENT_TRACING
void perf_tp_event(int event_id, u64 addr, u64 count, void *record,
int entry_size)
@ -4282,7 +4282,7 @@ static void perf_event_free_filter(struct perf_event *event)
{
}
#endif /* CONFIG_EVENT_PROFILE */
#endif /* CONFIG_EVENT_TRACING */
#ifdef CONFIG_HAVE_HW_BREAKPOINT
static void bp_perf_event_destroy(struct perf_event *event)

4
kernel/trace/Makefile
View file

@ -51,7 +51,9 @@ endif
obj-$(CONFIG_EVENT_TRACING) += trace_events.o
obj-$(CONFIG_EVENT_TRACING) += trace_export.o
obj-$(CONFIG_FTRACE_SYSCALLS) += trace_syscalls.o
obj-$(CONFIG_EVENT_PROFILE) += trace_event_profile.o
ifeq ($(CONFIG_PERF_EVENTS),y)
obj-$(CONFIG_EVENT_TRACING) += trace_event_profile.o
endif
obj-$(CONFIG_EVENT_TRACING) += trace_events_filter.o
obj-$(CONFIG_KPROBE_EVENT) += trace_kprobe.o
obj-$(CONFIG_KSYM_TRACER) += trace_ksym.o

4
kernel/trace/trace_events_filter.c
View file

@ -1360,7 +1360,7 @@ out_unlock:
return err;
}
#ifdef CONFIG_EVENT_PROFILE
#ifdef CONFIG_PERF_EVENTS
void ftrace_profile_free_filter(struct perf_event *event)
{
@ -1428,5 +1428,5 @@ out_unlock:
return err;
}
#endif /* CONFIG_EVENT_PROFILE */
#endif /* CONFIG_PERF_EVENTS */

14
kernel/trace/trace_kprobe.c
View file

@ -1249,7 +1249,7 @@ static int kretprobe_event_show_format(struct ftrace_event_call *call,
", REC->" FIELD_STRING_RETIP);
}
#ifdef CONFIG_EVENT_PROFILE
#ifdef CONFIG_PERF_EVENTS
/* Kprobe profile handler */
static __kprobes int kprobe_profile_func(struct kprobe *kp,
@ -1407,7 +1407,7 @@ static void probe_profile_disable(struct ftrace_event_call *call)
disable_kprobe(&tp->rp.kp);
}
}
#endif /* CONFIG_EVENT_PROFILE */
#endif /* CONFIG_PERF_EVENTS */
static __kprobes
@ -1417,10 +1417,10 @@ int kprobe_dispatcher(struct kprobe *kp, struct pt_regs *regs)
if (tp->flags & TP_FLAG_TRACE)
kprobe_trace_func(kp, regs);
#ifdef CONFIG_EVENT_PROFILE
#ifdef CONFIG_PERF_EVENTS
if (tp->flags & TP_FLAG_PROFILE)
kprobe_profile_func(kp, regs);
#endif /* CONFIG_EVENT_PROFILE */
#endif
return 0; /* We don't tweek kernel, so just return 0 */
}
@ -1431,10 +1431,10 @@ int kretprobe_dispatcher(struct kretprobe_instance *ri, struct pt_regs *regs)
if (tp->flags & TP_FLAG_TRACE)
kretprobe_trace_func(ri, regs);
#ifdef CONFIG_EVENT_PROFILE
#ifdef CONFIG_PERF_EVENTS
if (tp->flags & TP_FLAG_PROFILE)
kretprobe_profile_func(ri, regs);
#endif /* CONFIG_EVENT_PROFILE */
#endif
return 0; /* We don't tweek kernel, so just return 0 */
}
@ -1463,7 +1463,7 @@ static int register_probe_event(struct trace_probe *tp)
call->regfunc = probe_event_enable;
call->unregfunc = probe_event_disable;
#ifdef CONFIG_EVENT_PROFILE
#ifdef CONFIG_PERF_EVENTS
call->profile_enable = probe_profile_enable;
call->profile_disable = probe_profile_disable;
#endif

5
kernel/trace/trace_syscalls.c
View file

@ -421,7 +421,7 @@ int __init init_ftrace_syscalls(void)
}
core_initcall(init_ftrace_syscalls);
#ifdef CONFIG_EVENT_PROFILE
#ifdef CONFIG_PERF_EVENTS
static DECLARE_BITMAP(enabled_prof_enter_syscalls, NR_syscalls);
static DECLARE_BITMAP(enabled_prof_exit_syscalls, NR_syscalls);
@ -626,6 +626,5 @@ void prof_sysexit_disable(struct ftrace_event_call *call)
mutex_unlock(&syscall_trace_lock);
}
#endif
#endif /* CONFIG_PERF_EVENTS */