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-rw-r--r--tools/perf/bench/numa.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/tools/perf/bench/numa.c b/tools/perf/bench/numa.c
index 3083fc36282b..6bd0581de298 100644
--- a/tools/perf/bench/numa.c
+++ b/tools/perf/bench/numa.c
@@ -187,7 +187,8 @@ static const struct option options[] = {
OPT_INCR ('d', "show_details" , &p0.show_details, "Show details"),
OPT_INCR ('a', "all" , &p0.run_all, "Run all tests in the suite"),
OPT_INTEGER('H', "thp" , &p0.thp, "MADV_NOHUGEPAGE < 0 < MADV_HUGEPAGE"),
- OPT_BOOLEAN('c', "show_convergence", &p0.show_convergence, "show convergence details"),
+ OPT_BOOLEAN('c', "show_convergence", &p0.show_convergence, "show convergence details, "
+ "convergence is reached when each process (all its threads) is running on a single NUMA node."),
OPT_BOOLEAN('m', "measure_convergence", &p0.measure_convergence, "measure convergence latency"),
OPT_BOOLEAN('q', "quiet" , &p0.show_quiet, "quiet mode"),
OPT_BOOLEAN('S', "serialize-startup", &p0.serialize_startup,"serialize thread startup"),