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| author | Adrian Hunter <adrian.hunter@intel.com> | 2020-05-12 15:19:11 +0300 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2020-06-15 15:09:49 +0300 |
| commit | 69e49088692899d25dedfa22f00dfb9761e86ed7 (patch) | |
| tree | 1efb7c7e3b4a231830ed40bec4f16016ccfb40ce /include/uapi/linux/perf_event.h | |
| parent | d002b8bc6dbc20e9043e279196cff8795dba05fe (diff) | |
| download | linux-69e49088692899d25dedfa22f00dfb9761e86ed7.tar.xz | |
kprobes: Add perf ksymbol events for kprobe insn pages
Symbols are needed for tools to describe instruction addresses. Pages
allocated for kprobe'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>
Acked-by: Masami Hiramatsu <mhiramat@kernel.org>
Link: https://lkml.kernel.org/r/20200512121922.8997-5-adrian.hunter@intel.com
Diffstat (limited to 'include/uapi/linux/perf_event.h')
| -rw-r--r-- | include/uapi/linux/perf_event.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/uapi/linux/perf_event.h b/include/uapi/linux/perf_event.h index e5bee6c17b86..e1a4179144a1 100644 --- a/include/uapi/linux/perf_event.h +++ b/include/uapi/linux/perf_event.h @@ -1049,6 +1049,11 @@ enum perf_event_type { enum perf_record_ksymbol_type { PERF_RECORD_KSYMBOL_TYPE_UNKNOWN = 0, PERF_RECORD_KSYMBOL_TYPE_BPF = 1, + /* + * Out of line code such as kprobe-replaced instructions or optimized + * kprobes. + */ + PERF_RECORD_KSYMBOL_TYPE_OOL = 2, PERF_RECORD_KSYMBOL_TYPE_MAX /* non-ABI */ }; |