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-rw-r--r--tools/tracing/rtla/src/osnoise_hist.c13
-rw-r--r--tools/tracing/rtla/src/osnoise_top.c14
-rw-r--r--tools/tracing/rtla/src/timerlat_hist.c14
-rw-r--r--tools/tracing/rtla/src/timerlat_top.c14
-rw-r--r--tools/tracing/rtla/src/trace.c15
-rw-r--r--tools/tracing/rtla/src/trace.h1
6 files changed, 67 insertions, 4 deletions
diff --git a/tools/tracing/rtla/src/osnoise_hist.c b/tools/tracing/rtla/src/osnoise_hist.c
index c6100ff46a7f..198a17a3ea2e 100644
--- a/tools/tracing/rtla/src/osnoise_hist.c
+++ b/tools/tracing/rtla/src/osnoise_hist.c
@@ -43,6 +43,7 @@ struct osnoise_hist_params {
int bucket_size;
int entries;
int warmup;
+ int buffer_size;
};
struct osnoise_hist_cpu {
@@ -469,6 +470,7 @@ static void osnoise_hist_usage(char *usage)
" d:runtime[us|ms|s]:period[us|ms|s] - use SCHED_DEADLINE with runtime and period",
" in nanoseconds",
" --warm-up: let the workload run for s seconds before collecting data",
+ " --trace-buffer-size kB: set the per-cpu trace buffer size in kB",
NULL,
};
@@ -533,13 +535,14 @@ static struct osnoise_hist_params
{"trigger", required_argument, 0, '4'},
{"filter", required_argument, 0, '5'},
{"warm-up", required_argument, 0, '6'},
+ {"trace-buffer-size", required_argument, 0, '7'},
{0, 0, 0, 0}
};
/* getopt_long stores the option index here. */
int option_index = 0;
- c = getopt_long(argc, argv, "a:c:C::b:d:e:E:DhH:p:P:r:s:S:t::T:01234:5:6:",
+ c = getopt_long(argc, argv, "a:c:C::b:d:e:E:DhH:p:P:r:s:S:t::T:01234:5:6:7:",
long_options, &option_index);
/* detect the end of the options. */
@@ -685,6 +688,9 @@ static struct osnoise_hist_params
case '6':
params->warmup = get_llong_from_str(optarg);
break;
+ case '7':
+ params->buffer_size = get_llong_from_str(optarg);
+ break;
default:
osnoise_hist_usage("Invalid option");
}
@@ -891,6 +897,11 @@ int osnoise_hist_main(int argc, char *argv[])
goto out_hist;
}
+ if (params->buffer_size > 0) {
+ retval = trace_set_buffer_size(&record->trace, params->buffer_size);
+ if (retval)
+ goto out_hist;
+ }
}
/*
diff --git a/tools/tracing/rtla/src/osnoise_top.c b/tools/tracing/rtla/src/osnoise_top.c
index 53a074c1222e..7e5aab22727d 100644
--- a/tools/tracing/rtla/src/osnoise_top.c
+++ b/tools/tracing/rtla/src/osnoise_top.c
@@ -41,6 +41,7 @@ struct osnoise_top_params {
int cgroup;
int hk_cpus;
int warmup;
+ int buffer_size;
cpu_set_t hk_cpu_set;
struct sched_attr sched_param;
struct trace_events *events;
@@ -309,6 +310,7 @@ static void osnoise_top_usage(struct osnoise_top_params *params, char *usage)
" d:runtime[us|ms|s]:period[us|ms|s] - use SCHED_DEADLINE with runtime and period",
" in nanoseconds",
" --warm-up s: let the workload run for s seconds before collecting data",
+ " --trace-buffer-size kB: set the per-cpu trace buffer size in kB",
NULL,
};
@@ -384,13 +386,14 @@ struct osnoise_top_params *osnoise_top_parse_args(int argc, char **argv)
{"trigger", required_argument, 0, '0'},
{"filter", required_argument, 0, '1'},
{"warm-up", required_argument, 0, '2'},
+ {"trace-buffer-size", required_argument, 0, '3'},
{0, 0, 0, 0}
};
/* getopt_long stores the option index here. */
int option_index = 0;
- c = getopt_long(argc, argv, "a:c:C::d:De:hH:p:P:qr:s:S:t::T:0:1:2:",
+ c = getopt_long(argc, argv, "a:c:C::d:De:hH:p:P:qr:s:S:t::T:0:1:2:3:",
long_options, &option_index);
/* Detect the end of the options. */
@@ -517,6 +520,9 @@ struct osnoise_top_params *osnoise_top_parse_args(int argc, char **argv)
case '2':
params->warmup = get_llong_from_str(optarg);
break;
+ case '3':
+ params->buffer_size = get_llong_from_str(optarg);
+ break;
default:
osnoise_top_usage(params, "Invalid option");
}
@@ -725,6 +731,12 @@ int osnoise_top_main(int argc, char **argv)
if (retval)
goto out_top;
}
+
+ if (params->buffer_size > 0) {
+ retval = trace_set_buffer_size(&record->trace, params->buffer_size);
+ if (retval)
+ goto out_top;
+ }
}
/*
diff --git a/tools/tracing/rtla/src/timerlat_hist.c b/tools/tracing/rtla/src/timerlat_hist.c
index 6eb6e38d4a05..d4bab86ca1b9 100644
--- a/tools/tracing/rtla/src/timerlat_hist.c
+++ b/tools/tracing/rtla/src/timerlat_hist.c
@@ -54,6 +54,7 @@ struct timerlat_hist_params {
int bucket_size;
int entries;
int warmup;
+ int buffer_size;
};
struct timerlat_hist_cpu {
@@ -669,6 +670,7 @@ static void timerlat_hist_usage(char *usage)
" -k/--kernel-threads: use timerlat kernel-space threads instead of rtla user-space threads",
" -U/--user-load: enable timerlat for user-defined user-space workload",
" --warm-up s: let the workload run for s seconds before collecting data",
+ " --trace-buffer-size kB: set the per-cpu trace buffer size in kB",
NULL,
};
@@ -745,13 +747,14 @@ static struct timerlat_hist_params
{"no-aa", no_argument, 0, '9'},
{"dump-task", no_argument, 0, '\1'},
{"warm-up", required_argument, 0, '\2'},
+ {"trace-buffer-size", required_argument, 0, '\3'},
{0, 0, 0, 0}
};
/* getopt_long stores the option index here. */
int option_index = 0;
- c = getopt_long(argc, argv, "a:c:C::b:d:e:E:DhH:i:knp:P:s:t::T:uU0123456:7:8:9\1\2:",
+ c = getopt_long(argc, argv, "a:c:C::b:d:e:E:DhH:i:knp:P:s:t::T:uU0123456:7:8:9\1\2:\3",
long_options, &option_index);
/* detect the end of the options. */
@@ -926,6 +929,9 @@ static struct timerlat_hist_params
case '\2':
params->warmup = get_llong_from_str(optarg);
break;
+ case '\3':
+ params->buffer_size = get_llong_from_str(optarg);
+ break;
default:
timerlat_hist_usage("Invalid option");
}
@@ -1179,6 +1185,12 @@ int timerlat_hist_main(int argc, char *argv[])
if (retval)
goto out_hist;
}
+
+ if (params->buffer_size > 0) {
+ retval = trace_set_buffer_size(&record->trace, params->buffer_size);
+ if (retval)
+ goto out_hist;
+ }
}
if (!params->no_aa) {
diff --git a/tools/tracing/rtla/src/timerlat_top.c b/tools/tracing/rtla/src/timerlat_top.c
index 0acfefe151f7..3a23e8d481c6 100644
--- a/tools/tracing/rtla/src/timerlat_top.c
+++ b/tools/tracing/rtla/src/timerlat_top.c
@@ -47,6 +47,7 @@ struct timerlat_top_params {
int kernel_workload;
int pretty_output;
int warmup;
+ int buffer_size;
cpu_set_t hk_cpu_set;
struct sched_attr sched_param;
struct trace_events *events;
@@ -479,6 +480,7 @@ static void timerlat_top_usage(char *usage)
" -k/--kernel-threads: use timerlat kernel-space threads instead of rtla user-space threads",
" -U/--user-load: enable timerlat for user-defined user-space workload",
" --warm-up s: let the workload run for s seconds before collecting data",
+ " --trace-buffer-size kB: set the per-cpu trace buffer size in kB",
NULL,
};
@@ -547,13 +549,14 @@ static struct timerlat_top_params
{"dump-tasks", no_argument, 0, '4'},
{"aa-only", required_argument, 0, '5'},
{"warm-up", required_argument, 0, '6'},
+ {"trace-buffer-size", required_argument, 0, '7'},
{0, 0, 0, 0}
};
/* getopt_long stores the option index here. */
int option_index = 0;
- c = getopt_long(argc, argv, "a:c:C::d:De:hH:i:knp:P:qs:t::T:uU0:1:2:345:6:",
+ c = getopt_long(argc, argv, "a:c:C::d:De:hH:i:knp:P:qs:t::T:uU0:1:2:345:6:7:",
long_options, &option_index);
/* detect the end of the options. */
@@ -716,6 +719,9 @@ static struct timerlat_top_params
case '6':
params->warmup = get_llong_from_str(optarg);
break;
+ case '7':
+ params->buffer_size = get_llong_from_str(optarg);
+ break;
default:
timerlat_top_usage("Invalid option");
}
@@ -973,6 +979,12 @@ int timerlat_top_main(int argc, char *argv[])
if (retval)
goto out_top;
}
+
+ if (params->buffer_size > 0) {
+ retval = trace_set_buffer_size(&record->trace, params->buffer_size);
+ if (retval)
+ goto out_top;
+ }
}
if (!params->no_aa) {
diff --git a/tools/tracing/rtla/src/trace.c b/tools/tracing/rtla/src/trace.c
index e1ba6d9f4265..170a706248ab 100644
--- a/tools/tracing/rtla/src/trace.c
+++ b/tools/tracing/rtla/src/trace.c
@@ -540,3 +540,18 @@ int trace_is_off(struct trace_instance *tool, struct trace_instance *trace)
return 0;
}
+
+/*
+ * trace_set_buffer_size - set the per-cpu tracing buffer size.
+ */
+int trace_set_buffer_size(struct trace_instance *trace, int size)
+{
+ int retval;
+
+ debug_msg("Setting trace buffer size to %d Kb\n", size);
+ retval = tracefs_instance_set_buffer_size(trace->inst, size, -1);
+ if (retval)
+ err_msg("Error setting trace buffer size\n");
+
+ return retval;
+}
diff --git a/tools/tracing/rtla/src/trace.h b/tools/tracing/rtla/src/trace.h
index 2e9a89a25615..c7c92dc9a18a 100644
--- a/tools/tracing/rtla/src/trace.h
+++ b/tools/tracing/rtla/src/trace.h
@@ -48,3 +48,4 @@ int trace_events_enable(struct trace_instance *instance,
int trace_event_add_filter(struct trace_events *event, char *filter);
int trace_event_add_trigger(struct trace_events *event, char *trigger);
int trace_is_off(struct trace_instance *tool, struct trace_instance *trace);
+int trace_set_buffer_size(struct trace_instance *trace, int size);
generated by cgit v1.2.3 (git 2.39.0) at 2024-06-30 09:51:09 +0300