In addition, fix a typo in the error message generated when the
specified duration is invalid. Suggested by Tomas Glozar.

Signed-off-by: Eder Zulian <redacted>
---
 tools/tracing/rtla/src/osnoise_top.c  | 2 +-
 tools/tracing/rtla/src/timerlat_top.c | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/tools/tracing/rtla/src/osnoise_top.c b/tools/tracing/rtla/src/osnoise_top.c
index 73106683c281..50e97dbc951d 100644
--- a/tools/tracing/rtla/src/osnoise_top.c
+++ b/tools/tracing/rtla/src/osnoise_top.c

@@ -442,7 +442,7 @@ struct osnoise_top_params *osnoise_top_parse_args(int argc, char **argv)
                case 'd':
                        params->duration = parse_seconds_duration(optarg);
                        if (!params->duration)
-                               osnoise_top_usage(params, "Invalid -D duration\n");
+                               osnoise_top_usage(params, "Invalid -d duration\n");
                        break;
                case 'e':
                        tevent = trace_event_alloc(optarg);

diff --git a/tools/tracing/rtla/src/timerlat_top.c b/tools/tracing/rtla/src/timerlat_top.c
index 94a2f5bbaeb7..312fc7e833ba 100644
--- a/tools/tracing/rtla/src/timerlat_top.c
+++ b/tools/tracing/rtla/src/timerlat_top.c

@@ -459,7 +459,7 @@ static void timerlat_top_usage(char *usage)
                "         -c/--cpus cpus: run the tracer only on the given cpus",
                "         -H/--house-keeping cpus: run rtla control threads only on the given cpus",
                "         -C/--cgroup[=cgroup_name]: set cgroup, if no cgroup_name is passed, the rtla's cgroup will be inherited",
-               "         -d/--duration time[m|h|d]: duration of the session in seconds",
+               "         -d/--duration time[s|m|h|d]: duration of the session",
                "         -D/--debug: print debug info",
                "            --dump-tasks: prints the task running on all CPUs if stop conditions are met (depends on !--no-aa)",
                "         -t/--trace[file]: save the stopped trace to [file|timerlat_trace.txt]",

@@ -613,7 +613,7 @@ static struct timerlat_top_params
                case 'd':
                        params->duration = parse_seconds_duration(optarg);
                        if (!params->duration)
-                               timerlat_top_usage("Invalid -D duration\n");
+                               timerlat_top_usage("Invalid -d duration\n");
                        break;
                case 'e':
                        tevent = trace_event_alloc(optarg);
--

2.46.0