When running rtla as

    `rtla <timerlat|osnoise> <top|hist> -t custom_file.txt -a 100`

-a options override trace output filename specified by -t option.
Running the command above will create <timerlat|osnoise>_trace.txt file
instead of custom_file.txt. Fix this by making sure that -a option does
not override trace output filename even if it's passed after trace
output filename is specified.

Remove clear_terminal in timerlat top as it removes "Saving trace to <filename>"
line from the terminal and is not used in other modes.

Fixes: 173a3b014827 ("rtla/timerlat: Add the automatic trace option")
Signed-off-by: Ivan Pravdin <[email protected]>
---
 tools/tracing/rtla/src/osnoise_hist.c  |  8 +++++---
 tools/tracing/rtla/src/osnoise_top.c   |  8 +++++---
 tools/tracing/rtla/src/timerlat_hist.c |  8 +++++---
 tools/tracing/rtla/src/timerlat_top.c  | 20 +++++---------------
 4 files changed, 20 insertions(+), 24 deletions(-)

diff --git a/tools/tracing/rtla/src/osnoise_hist.c 
b/tools/tracing/rtla/src/osnoise_hist.c
index 298640d92434..53655bccbbad 100644
--- a/tools/tracing/rtla/src/osnoise_hist.c
+++ b/tools/tracing/rtla/src/osnoise_hist.c
@@ -543,7 +543,8 @@ static struct osnoise_params
                        params->threshold = 1;
 
                        /* set trace */
-                       params->trace_output = "osnoise_trace.txt";
+                       if (!params->trace_output)
+                               params->trace_output = "osnoise_trace.txt";
 
                        break;
                case 'b':
@@ -640,10 +641,11 @@ static struct osnoise_params
                                        params->trace_output = &optarg[1];
                                else
                                        params->trace_output = &optarg[0];
-                       } else if (optind < argc && argv[optind][0] != '0')
+                       } else if (optind < argc && argv[optind][0] != '0') {
                                params->trace_output = argv[optind];
-                       else
+                       } else {
                                params->trace_output = "osnoise_trace.txt";
+                       }
                        break;
                case '0': /* no header */
                        params->no_header = 1;
diff --git a/tools/tracing/rtla/src/osnoise_top.c 
b/tools/tracing/rtla/src/osnoise_top.c
index 70924242bcdd..db61a0c970e9 100644
--- a/tools/tracing/rtla/src/osnoise_top.c
+++ b/tools/tracing/rtla/src/osnoise_top.c
@@ -383,7 +383,8 @@ struct osnoise_params *osnoise_top_parse_args(int argc, 
char **argv)
                        params->threshold = 1;
 
                        /* set trace */
-                       params->trace_output = "osnoise_trace.txt";
+                       if (!params->trace_output)
+                               params->trace_output = "osnoise_trace.txt";
 
                        break;
                case 'c':
@@ -470,10 +471,11 @@ struct osnoise_params *osnoise_top_parse_args(int argc, 
char **argv)
                                        params->trace_output = &optarg[1];
                                else
                                        params->trace_output = &optarg[0];
-                       } else if (optind < argc && argv[optind][0] != '-')
+                       } else if (optind < argc && argv[optind][0] != '-') {
                                params->trace_output = argv[optind];
-                       else
+                       } else {
                                params->trace_output = "osnoise_trace.txt";
+                       }
                        break;
                case 'T':
                        params->threshold = get_llong_from_str(optarg);
diff --git a/tools/tracing/rtla/src/timerlat_hist.c 
b/tools/tracing/rtla/src/timerlat_hist.c
index 2a48a076d941..123b7f89f80a 100644
--- a/tools/tracing/rtla/src/timerlat_hist.c
+++ b/tools/tracing/rtla/src/timerlat_hist.c
@@ -874,7 +874,8 @@ static struct timerlat_params
                        params->print_stack = auto_thresh;
 
                        /* set trace */
-                       trace_output = "timerlat_trace.txt";
+                       if (!trace_output)
+                               trace_output = "timerlat_trace.txt";
 
                        break;
                case 'c':
@@ -972,10 +973,11 @@ static struct timerlat_params
                                        trace_output = &optarg[1];
                                else
                                        trace_output = &optarg[0];
-                       } else if (optind < argc && argv[optind][0] != '-')
+                       } else if (optind < argc && argv[optind][0] != '-') {
                                trace_output = argv[optind];
-                       else
+                       } else {
                                trace_output = "timerlat_trace.txt";
+                       }
                        break;
                case 'u':
                        params->user_workload = 1;
diff --git a/tools/tracing/rtla/src/timerlat_top.c 
b/tools/tracing/rtla/src/timerlat_top.c
index e45d9978744c..4d7c3d74ac50 100644
--- a/tools/tracing/rtla/src/timerlat_top.c
+++ b/tools/tracing/rtla/src/timerlat_top.c
@@ -423,15 +423,6 @@ timerlat_top_print_sum(struct osnoise_tool *top, struct 
timerlat_top_cpu *summar
        }
 }
 
-/*
- * clear_terminal - clears the output terminal
- */
-static void clear_terminal(struct trace_seq *seq)
-{
-       if (!config_debug)
-               trace_seq_printf(seq, "\033c");
-}
-
 /*
  * timerlat_print_stats - print data for all cpus
  */
@@ -449,9 +440,6 @@ timerlat_print_stats(struct timerlat_params *params, struct 
osnoise_tool *top)
        if (nr_cpus == -1)
                nr_cpus = sysconf(_SC_NPROCESSORS_CONF);
 
-       if (!params->quiet)
-               clear_terminal(trace->seq);
-
        timerlat_top_reset_sum(&summary);
 
        timerlat_top_header(params, top);
@@ -625,7 +613,8 @@ static struct timerlat_params
                        params->print_stack = auto_thresh;
 
                        /* set trace */
-                       trace_output = "timerlat_trace.txt";
+                       if (!trace_output)
+                               trace_output = "timerlat_trace.txt";
 
                        break;
                case '5':
@@ -729,10 +718,11 @@ static struct timerlat_params
                                        trace_output = &optarg[1];
                                else
                                        trace_output = &optarg[0];
-                       } else if (optind < argc && argv[optind][0] != '-')
+                       } else if (optind < argc && argv[optind][0] != '-') {
                                trace_output = argv[optind];
-                       else
+                       } else {
                                trace_output = "timerlat_trace.txt";
+                       }
                        break;
                case 'u':
                        params->user_workload = true;
-- 
2.48.1


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