xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

kprobes: Add perf ksymbol events for kprobe insn pages

Browse Source 
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
This commit is contained in:
Adrian Hunter
2020-05-12 15:19:11 +03:00
committed by Peter Zijlstra
parent d002b8bc6d
commit 69e4908869
2 changed files with 17 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
include/uapi/linux/perf_event.h
View File

@@ -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 */
};