diff options
| -rw-r--r-- | tools/perf/Documentation/perf-record.txt | 1 | ||||
| -rw-r--r-- | tools/perf/builtin-c2c.c | 1 | ||||
| -rw-r--r-- | tools/perf/builtin-mem.c | 1 |
3 files changed, 3 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-record.txt b/tools/perf/Documentation/perf-record.txt index 378f497f4be3..e41ae950fdc3 100644 --- a/tools/perf/Documentation/perf-record.txt +++ b/tools/perf/Documentation/perf-record.txt @@ -411,6 +411,7 @@ is enabled for all the sampling events. The sampled branch type is the same for The various filters must be specified as a comma separated list: --branch-filter any_ret,u,k Note that this feature may not be available on all processors. +-W:: --weight:: Enable weightened sampling. An additional weight is recorded per sample and can be displayed with the weight and local_weight sort keys. This currently works for TSX diff --git a/tools/perf/builtin-c2c.c b/tools/perf/builtin-c2c.c index f35a47b2dbe4..a9190458d2d5 100644 --- a/tools/perf/builtin-c2c.c +++ b/tools/perf/builtin-c2c.c @@ -3281,6 +3281,7 @@ static int perf_c2c__record(int argc, const char **argv) */ if (e->tag) { e->record = true; + rec_argv[i++] = "-W"; } else { e = perf_mem_events__ptr(PERF_MEM_EVENTS__LOAD); e->record = true; diff --git a/tools/perf/builtin-mem.c b/tools/perf/builtin-mem.c index 9e435fd23503..f7dd8216de72 100644 --- a/tools/perf/builtin-mem.c +++ b/tools/perf/builtin-mem.c @@ -122,6 +122,7 @@ static int __cmd_record(int argc, const char **argv, struct perf_mem *mem) (mem->operation & MEM_OPERATION_LOAD) && (mem->operation & MEM_OPERATION_STORE)) { e->record = true; + rec_argv[i++] = "-W"; } else { if (mem->operation & MEM_OPERATION_LOAD) { e = perf_mem_events__ptr(PERF_MEM_EVENTS__LOAD); |