On 07/23/2015 07:08 PM, Vince Weaver wrote: > > 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. Thanks, Vince. Applied. Cheers, Michael > 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 > -- Michael Kerrisk Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/ Linux/UNIX System Programming Training: http://man7.org/training/ -- 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
