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Commit 3e39db4a authored by Anshuman Khandual's avatar Anshuman Khandual Committed by Ingo Molnar
Browse files

perf/documentation: Add description for conditional branch filter 



Signed-off-by: default avatarAnshuman Khandual <khandual@linux.vnet.ibm.com>
Reviewed-by: default avatarStephane Eranian <eranian@google.com>
Reviewed-by: default avatarAndi Kleen <ak@linux.intel.com>
Signed-off-by: default avatarPeter Zijlstra <peterz@infradead.org>
Cc: mpe@ellerman.id.au
Cc: benh@kernel.crashing.org
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: http://lkml.kernel.org/r/1400743210-32289-4-git-send-email-khandual@linux.vnet.ibm.com


Signed-off-by: default avatarIngo Molnar <mingo@kernel.org>
parent 37548914

tools/perf/Documentation/perf-record.txt

+2 −1
Original line number Diff line number Diff line
@@ -184,9 +184,10 @@ following filters are defined: 
	- in_tx: only when the target is in a hardware transaction

	- no_tx: only when the target is not in a hardware transaction

	- abort_tx: only when the target is a hardware transaction abort

	- cond: conditional branches



+

The option requires at least one branch type among any, any_call, any_ret, ind_call.

The option requires at least one branch type among any, any_call, any_ret, ind_call, cond.

The privilege levels may be omitted, in which case, the privilege levels of the associated

event are applied to the branch filter. Both kernel (k) and hypervisor (hv) privilege

levels are subject to permissions.  When sampling on multiple events, branch stack sampling