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path: root/tools/tracing/rtla/src/osnoise_hist.c
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Diffstat (limited to 'tools/tracing/rtla/src/osnoise_hist.c')
-rw-r--r--tools/tracing/rtla/src/osnoise_hist.c95
1 files changed, 87 insertions, 8 deletions
diff --git a/tools/tracing/rtla/src/osnoise_hist.c b/tools/tracing/rtla/src/osnoise_hist.c
index 52c053cc1789..b4380d45cacd 100644
--- a/tools/tracing/rtla/src/osnoise_hist.c
+++ b/tools/tracing/rtla/src/osnoise_hist.c
@@ -21,6 +21,7 @@ struct osnoise_hist_params {
char *trace_output;
unsigned long long runtime;
unsigned long long period;
+ long long threshold;
long long stop_us;
long long stop_total_us;
int sleep_time;
@@ -28,6 +29,7 @@ struct osnoise_hist_params {
int set_sched;
int output_divisor;
struct sched_attr sched_param;
+ struct trace_events *events;
char no_header;
char no_summary;
@@ -425,19 +427,25 @@ static void osnoise_hist_usage(char *usage)
static const char * const msg[] = {
"",
- " usage: rtla osnoise hist [-h] [-D] [-d s] [-p us] [-r us] [-s us] [-S us] [-t[=file]] \\",
- " [-c cpu-list] [-P priority] [-b N] [-E N] [--no-header] [--no-summary] \\",
- " [--no-index] [--with-zeros]",
+ " usage: rtla osnoise hist [-h] [-D] [-d s] [-a us] [-p us] [-r us] [-s us] [-S us] \\",
+ " [-T us] [-t[=file]] [-e sys[:event]] [--filter <filter>] [--trigger <trigger>] \\",
+ " [-c cpu-list] [-P priority] [-b N] [-E N] [--no-header] [--no-summary] [--no-index] \\",
+ " [--with-zeros]",
"",
" -h/--help: print this menu",
+ " -a/--auto: set automatic trace mode, stopping the session if argument in us sample is hit",
" -p/--period us: osnoise period in us",
" -r/--runtime us: osnoise runtime in us",
" -s/--stop us: stop trace if a single sample is higher than the argument in us",
" -S/--stop-total us: stop trace if the total sample is higher than the argument in us",
+ " -T/--threshold us: the minimum delta to be considered a noise",
" -c/--cpus cpu-list: list of cpus to run osnoise threads",
" -d/--duration time[s|m|h|d]: duration of the session",
" -D/--debug: print debug info",
" -t/--trace[=file]: save the stopped trace to [file|osnoise_trace.txt]",
+ " -e/--event <sys:event>: enable the <sys:event> in the trace instance, multiple -e are allowed",
+ " --filter <filter>: enable a trace event filter to the previous -e event",
+ " --trigger <trigger>: enable a trace event trigger to the previous -e event",
" -b/--bucket-size N: set the histogram bucket size (default 1)",
" -E/--entries N: set the number of entries of the histogram (default 256)",
" --no-header: do not print header",
@@ -471,6 +479,7 @@ static struct osnoise_hist_params
*osnoise_hist_parse_args(int argc, char *argv[])
{
struct osnoise_hist_params *params;
+ struct trace_events *tevent;
int retval;
int c;
@@ -485,6 +494,7 @@ static struct osnoise_hist_params
while (1) {
static struct option long_options[] = {
+ {"auto", required_argument, 0, 'a'},
{"bucket-size", required_argument, 0, 'b'},
{"entries", required_argument, 0, 'E'},
{"cpus", required_argument, 0, 'c'},
@@ -497,17 +507,21 @@ static struct osnoise_hist_params
{"stop", required_argument, 0, 's'},
{"stop-total", required_argument, 0, 'S'},
{"trace", optional_argument, 0, 't'},
+ {"event", required_argument, 0, 'e'},
+ {"threshold", required_argument, 0, 'T'},
{"no-header", no_argument, 0, '0'},
{"no-summary", no_argument, 0, '1'},
{"no-index", no_argument, 0, '2'},
{"with-zeros", no_argument, 0, '3'},
+ {"trigger", required_argument, 0, '4'},
+ {"filter", required_argument, 0, '5'},
{0, 0, 0, 0}
};
/* getopt_long stores the option index here. */
int option_index = 0;
- c = getopt_long(argc, argv, "c:b:d:E:Dhp:P:r:s:S:t::0123",
+ c = getopt_long(argc, argv, "a:c:b:d:e:E:Dhp:P:r:s:S:t::T:01234:5:",
long_options, &option_index);
/* detect the end of the options. */
@@ -515,6 +529,17 @@ static struct osnoise_hist_params
break;
switch (c) {
+ case 'a':
+ /* set sample stop to auto_thresh */
+ params->stop_us = get_llong_from_str(optarg);
+
+ /* set sample threshold to 1 */
+ params->threshold = 1;
+
+ /* set trace */
+ params->trace_output = "osnoise_trace.txt";
+
+ break;
case 'b':
params->bucket_size = get_llong_from_str(optarg);
if ((params->bucket_size == 0) || (params->bucket_size >= 1000000))
@@ -534,6 +559,18 @@ static struct osnoise_hist_params
if (!params->duration)
osnoise_hist_usage("Invalid -D duration\n");
break;
+ case 'e':
+ tevent = trace_event_alloc(optarg);
+ if (!tevent) {
+ err_msg("Error alloc trace event");
+ exit(EXIT_FAILURE);
+ }
+
+ if (params->events)
+ tevent->next = params->events;
+
+ params->events = tevent;
+ break;
case 'E':
params->entries = get_llong_from_str(optarg);
if ((params->entries < 10) || (params->entries > 9999999))
@@ -565,6 +602,9 @@ static struct osnoise_hist_params
case 'S':
params->stop_total_us = get_llong_from_str(optarg);
break;
+ case 'T':
+ params->threshold = get_llong_from_str(optarg);
+ break;
case 't':
if (optarg)
/* skip = */
@@ -584,6 +624,28 @@ static struct osnoise_hist_params
case '3': /* with zeros */
params->with_zeros = 1;
break;
+ case '4': /* trigger */
+ if (params->events) {
+ retval = trace_event_add_trigger(params->events, optarg);
+ if (retval) {
+ err_msg("Error adding trigger %s\n", optarg);
+ exit(EXIT_FAILURE);
+ }
+ } else {
+ osnoise_hist_usage("--trigger requires a previous -e\n");
+ }
+ break;
+ case '5': /* filter */
+ if (params->events) {
+ retval = trace_event_add_filter(params->events, optarg);
+ if (retval) {
+ err_msg("Error adding filter %s\n", optarg);
+ exit(EXIT_FAILURE);
+ }
+ } else {
+ osnoise_hist_usage("--filter requires a previous -e\n");
+ }
+ break;
default:
osnoise_hist_usage("Invalid option");
}
@@ -645,6 +707,14 @@ osnoise_hist_apply_config(struct osnoise_tool *tool, struct osnoise_hist_params
}
}
+ if (params->threshold) {
+ retval = osnoise_set_tracing_thresh(tool->context, params->threshold);
+ if (retval) {
+ err_msg("Failed to set tracing_thresh\n");
+ goto out_err;
+ }
+ }
+
return 0;
out_err:
@@ -751,6 +821,13 @@ int osnoise_hist_main(int argc, char *argv[])
err_msg("Failed to enable the trace instance\n");
goto out_hist;
}
+
+ if (params->events) {
+ retval = trace_events_enable(&record->trace, params->events);
+ if (retval)
+ goto out_hist;
+ }
+
trace_instance_start(&record->trace);
}
@@ -771,9 +848,9 @@ int osnoise_hist_main(int argc, char *argv[])
goto out_hist;
}
- if (!tracefs_trace_is_on(trace->inst))
+ if (trace_is_off(&tool->trace, &record->trace))
break;
- };
+ }
osnoise_read_trace_hist(tool);
@@ -781,8 +858,8 @@ int osnoise_hist_main(int argc, char *argv[])
return_value = 0;
- if (!tracefs_trace_is_on(trace->inst)) {
- printf("rtla timelat hit stop tracing\n");
+ if (trace_is_off(&tool->trace, &record->trace)) {
+ printf("rtla osnoise hit stop tracing\n");
if (params->trace_output) {
printf(" Saving trace to %s\n", params->trace_output);
save_trace_to_file(record->trace.inst, params->trace_output);
@@ -790,6 +867,8 @@ int osnoise_hist_main(int argc, char *argv[])
}
out_hist:
+ trace_events_destroy(&record->trace, params->events);
+ params->events = NULL;
osnoise_free_histogram(tool->data);
out_destroy:
osnoise_destroy_tool(record);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-30 11:31:03 +0000