This manpage patch relates to the addition of the PERF_SAMPLE_BRANCH_CALL_STACK functionaliry added in the following commit: commit 2c44b1936bb3b135a3fac8b3493394d42e51cf70 Author: Peter Zijlstra <peterz@xxxxxxxxxxxxx> perf/x86/intel: Expose LBR callstack to user space tooling With LBR call stack feature enable, there are three callchain options. Enable the 3rd callchain option (LBR callstack) to user space tooling. Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx> Cc: Jiri Olsa <jolsa@xxxxxxxxxx> Cc: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx> Cc: Andy Lutomirski <luto@xxxxxxxxxxxxxx> Cc: Kan Liang <kan.liang@xxxxxxxxx> Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> Cc: Paul Mackerras <paulus@xxxxxxxxx> Cc: Vince Weaver <vincent.weaver@xxxxxxxxx> Cc: linux-api@xxxxxxxxxxxxxxx Link: http://lkml.kernel.org/r/20141105093759.GQ10501@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx> Signed-off-by: Vince Weaver <vincent.weaver@xxxxxxxxx> diff --git a/man2/perf_event_open.2 b/man2/perf_event_open.2 index 856ec64..71bfb17 100644 --- a/man2/perf_event_open.2 +++ b/man2/perf_event_open.2 @@ -1240,6 +1240,11 @@ Branch in transactional memory transaction. .BR PERF_SAMPLE_BRANCH_NO_TX " (since Linux 3.11)" .\" commit 135c5612c460f89657c4698fe2ea753f6f667963 Branch not in transactional memory transaction. +.BR PERF_SAMPLE_BRANCH_CALL_STACK " (since Linux 4.1)" +.\" commit 2c44b1936bb3b135a3fac8b3493394d42e51cf70 +Branch is part of a hardware generated call stack. +This requires hardware support, currently only found +on Intel x86 Haswell or newer. .RE .TP -- To unsubscribe from this list: send the line "unsubscribe linux-man" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html