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author | James Morris <jmorris@namei.org> | 2009-05-08 17:56:47 +1000 |
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committer | James Morris <jmorris@namei.org> | 2009-05-08 17:56:47 +1000 |
commit | d254117099d711f215e62427f55dfb8ebd5ad011 (patch) | |
tree | 0848ff8dd74314fec14a86497f8d288c86ba7c65 /kernel/trace/trace_event_profile.c | |
parent | integrity: remove __setup auditing msgs (diff) | |
parent | NOMMU: Don't check vm_region::vm_start is page aligned in add_nommu_region() (diff) | |
download | linux-dev-d254117099d711f215e62427f55dfb8ebd5ad011.tar.xz linux-dev-d254117099d711f215e62427f55dfb8ebd5ad011.zip |
Merge branch 'master' into next
Diffstat (limited to 'kernel/trace/trace_event_profile.c')
-rw-r--r-- | kernel/trace/trace_event_profile.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/kernel/trace/trace_event_profile.c b/kernel/trace/trace_event_profile.c new file mode 100644 index 000000000000..22cba9970776 --- /dev/null +++ b/kernel/trace/trace_event_profile.c @@ -0,0 +1,31 @@ +/* + * trace event based perf counter profiling + * + * Copyright (C) 2009 Red Hat Inc, Peter Zijlstra <pzijlstr@redhat.com> + * + */ + +#include "trace.h" + +int ftrace_profile_enable(int event_id) +{ + struct ftrace_event_call *event; + + for_each_event(event) { + if (event->id == event_id) + return event->profile_enable(event); + } + + return -EINVAL; +} + +void ftrace_profile_disable(int event_id) +{ + struct ftrace_event_call *event; + + for_each_event(event) { + if (event->id == event_id) + return event->profile_disable(event); + } +} + |