ac199db018
Impact: new tracing infrastructure feature Provide infrastructure to generate software perf counter events from tracepoints. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Paul Mackerras <paulus@samba.org> Cc: Steven Rostedt <rostedt@goodmis.org> LKML-Reference: <20090319194233.557364871@chello.nl> Signed-off-by: Ingo Molnar <mingo@elte.hu>
31 lines
525 B
C
31 lines
525 B
C
/*
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* trace event based perf counter profiling
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*
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* Copyright (C) 2009 Red Hat Inc, Peter Zijlstra <pzijlstr@redhat.com>
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*
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*/
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#include "trace.h"
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int ftrace_profile_enable(int event_id)
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{
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struct ftrace_event_call *event;
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for_each_event(event) {
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if (event->id == event_id)
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return event->profile_enable(event);
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}
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return -EINVAL;
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}
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void ftrace_profile_disable(int event_id)
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{
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struct ftrace_event_call *event;
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for_each_event(event) {
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if (event->id == event_id)
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return event->profile_disable(event);
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}
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}
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