perf record: Add remaining branch filters: "no_cycles", "no_flags" & "hw_index"

This adds all remaining branch filters i.e "no_cycles", "no_flags" and
"hw_index". While here, also updates the documentation.

Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: James Clark <james.clark@arm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/20221205064443.533587-1-anshuman.khandual@arm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/perf/Documentation/perf-record.txt b/tools/perf/Documentation/perf-record.txt
index 9ea6d44..5f9fa07 100644 (file)
--- a/tools/perf/Documentation/perf-record.txt
+++ b/tools/perf/Documentation/perf-record.txt
@@ -388,6 +388,7 @@ following filters are defined:
         - any_call: any function call or system call
         - any_ret: any function return or system call return
         - ind_call: any indirect branch
+        - ind_jmp: any indirect jump
         - call: direct calls, including far (to/from kernel) calls
         - u:  only when the branch target is at the user level
         - k: only when the branch target is in the kernel
@@ -396,6 +397,10 @@ following filters are defined:
        - 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
+       - call_stack: save call stack
+       - no_flags: don't save branch flags e.g prediction, misprediction etc
+       - no_cycles: don't save branch cycles
+       - hw_index: save branch hardware index
        - save_type: save branch type during sampling in case binary is not available later
                     For the platforms with Intel Arch LBR support (12th-Gen+ client or
                     4th-Gen Xeon+ server), the save branch type is unconditionally enabled

diff --git a/tools/perf/util/parse-branch-options.c b/tools/perf/util/parse-branch-options.c
index 31faf2b..fd67d20 100644 (file)
--- a/tools/perf/util/parse-branch-options.c
+++ b/tools/perf/util/parse-branch-options.c
@@ -30,8 +30,11 @@ static const struct branch_mode branch_modes[] = {
        BRANCH_OPT("cond", PERF_SAMPLE_BRANCH_COND),
        BRANCH_OPT("ind_jmp", PERF_SAMPLE_BRANCH_IND_JUMP),
        BRANCH_OPT("call", PERF_SAMPLE_BRANCH_CALL),
+       BRANCH_OPT("no_flags", PERF_SAMPLE_BRANCH_NO_FLAGS),
+       BRANCH_OPT("no_cycles", PERF_SAMPLE_BRANCH_NO_CYCLES),
        BRANCH_OPT("save_type", PERF_SAMPLE_BRANCH_TYPE_SAVE),
        BRANCH_OPT("stack", PERF_SAMPLE_BRANCH_CALL_STACK),
+       BRANCH_OPT("hw_index", PERF_SAMPLE_BRANCH_HW_INDEX),
        BRANCH_OPT("priv", PERF_SAMPLE_BRANCH_PRIV_SAVE),
        BRANCH_END
 };