diff options
| author | Adrian Hunter <adrian.hunter@intel.com> | 2020-05-12 15:19:14 +0300 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2020-06-15 14:09:49 +0200 |
| commit | dd9ddf466ad7a5d2e247925d81ebb0b878bf3b76 (patch) | |
| tree | 31d86a7debd7f3663bb127ebbe08b43f64f97c62 /include/uapi/linux/perf_event.h | |
| parent | fc0ea795f53c8d7040fa42471f74fe51d78d0834 (diff) | |
ftrace: Add perf ksymbol events for ftrace trampolines
Symbols are needed for tools to describe instruction addresses. Pages
allocated for ftrace's purposes need symbols to be created for them.
Add such symbols to be visible via perf ksymbol events.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20200512121922.8997-8-adrian.hunter@intel.com
Diffstat (limited to 'include/uapi/linux/perf_event.h')
| -rw-r--r-- | include/uapi/linux/perf_event.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/uapi/linux/perf_event.h b/include/uapi/linux/perf_event.h index e1a4179144a1..52ca2093831c 100644 --- a/include/uapi/linux/perf_event.h +++ b/include/uapi/linux/perf_event.h @@ -1051,7 +1051,7 @@ enum perf_record_ksymbol_type { PERF_RECORD_KSYMBOL_TYPE_BPF = 1, /* * Out of line code such as kprobe-replaced instructions or optimized - * kprobes. + * kprobes or ftrace trampolines. */ PERF_RECORD_KSYMBOL_TYPE_OOL = 2, PERF_RECORD_KSYMBOL_TYPE_MAX /* non-ABI */ |