aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--tools/perf/Documentation/perf-record.txt3
1 files changed, 2 insertions, 1 deletions
diff --git a/tools/perf/Documentation/perf-record.txt b/tools/perf/Documentation/perf-record.txt
index c71b0f36d9e8..d460049cae8e 100644
--- a/tools/perf/Documentation/perf-record.txt
+++ b/tools/perf/Documentation/perf-record.txt
@@ -184,9 +184,10 @@ following filters are defined:
184 - in_tx: only when the target is in a hardware transaction 184 - in_tx: only when the target is in a hardware transaction
185 - no_tx: only when the target is not in a hardware transaction 185 - no_tx: only when the target is not in a hardware transaction
186 - abort_tx: only when the target is a hardware transaction abort 186 - abort_tx: only when the target is a hardware transaction abort
187 - cond: conditional branches
187 188
188+ 189+
189The option requires at least one branch type among any, any_call, any_ret, ind_call. 190The option requires at least one branch type among any, any_call, any_ret, ind_call, cond.
190The privilege levels may be omitted, in which case, the privilege levels of the associated 191The privilege levels may be omitted, in which case, the privilege levels of the associated
191event are applied to the branch filter. Both kernel (k) and hypervisor (hv) privilege 192event are applied to the branch filter. Both kernel (k) and hypervisor (hv) privilege
192levels are subject to permissions. When sampling on multiple events, branch stack sampling 193levels are subject to permissions. When sampling on multiple events, branch stack sampling