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.

Adrian Hunter committed 6 years ago

Commit 69e49081 parent d002b8b2 files · +17 −0Browse files

Showing the changes to include/uapi/linux (1 of 2 files). Show all

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include/uapi/linux/perf_event.h+5−0

@@ -1049,6 +1049,11 @@ enum perf_event_type { · 1048 unmodified lines
1049	1049	enum perf_record_ksymbol_type {
1050	1050	PERF_RECORD_KSYMBOL_TYPE_UNKNOWN = 0,
1051	1051	PERF_RECORD_KSYMBOL_TYPE_BPF = 1,
	1052	+ /*
	1053	+ * Out of line code such as kprobe-replaced instructions or optimized
	1054	+ * kprobes.
	1055	+ */
	1056	+ PERF_RECORD_KSYMBOL_TYPE_OOL = 2,
1052	1057	PERF_RECORD_KSYMBOL_TYPE_MAX /* non-ABI */
1053	1058	};
1054	1059