diff options
Diffstat (limited to 'tools/tracing/rtla/src/timerlat_top.c')
-rw-r--r-- | tools/tracing/rtla/src/timerlat_top.c | 48 |
1 files changed, 33 insertions, 15 deletions
diff --git a/tools/tracing/rtla/src/timerlat_top.c b/tools/tracing/rtla/src/timerlat_top.c index f0c6d9735e2a..d6b5a382569e 100644 --- a/tools/tracing/rtla/src/timerlat_top.c +++ b/tools/tracing/rtla/src/timerlat_top.c @@ -156,9 +156,6 @@ timerlat_top_handler(struct trace_seq *s, struct tep_record *record, timerlat_top_update(top, cpu, thread, latency); } - if (!params->no_aa) - timerlat_aa_handler(s, record, event, context); - return 0; } @@ -644,7 +641,6 @@ static struct osnoise_tool { struct osnoise_tool *top; int nr_cpus; - int retval; nr_cpus = sysconf(_SC_NPROCESSORS_CONF); @@ -661,16 +657,6 @@ static struct osnoise_tool tep_register_event_handler(top->trace.tep, -1, "ftrace", "timerlat", timerlat_top_handler, top); - /* - * If no auto analysis, we are ready. - */ - if (params->no_aa) - return top; - - retval = timerlat_aa_init(top, nr_cpus, params->dump_tasks); - if (retval) - goto out_err; - return top; out_err: @@ -702,6 +688,7 @@ int timerlat_top_main(int argc, char *argv[]) struct timerlat_top_params *params; struct osnoise_tool *record = NULL; struct osnoise_tool *top = NULL; + struct osnoise_tool *aa = NULL; struct trace_instance *trace; int dma_latency_fd = -1; int return_value = 1; @@ -774,6 +761,35 @@ int timerlat_top_main(int argc, char *argv[]) trace_instance_start(&record->trace); } + if (!params->no_aa) { + if (params->aa_only) { + /* as top is not used for display, use it for aa */ + aa = top; + } else { + /* otherwise, a new instance is needed */ + aa = osnoise_init_tool("timerlat_aa"); + if (!aa) + goto out_top; + } + + retval = timerlat_aa_init(aa, params->dump_tasks); + if (retval) { + err_msg("Failed to enable the auto analysis instance\n"); + goto out_top; + } + + /* if it is re-using the main instance, there is no need to start it */ + if (aa != top) { + retval = enable_timerlat(&aa->trace); + if (retval) { + err_msg("Failed to enable timerlat tracer\n"); + goto out_top; + } + + trace_instance_start(&aa->trace); + } + } + top->start_time = time(NULL); timerlat_top_set_signals(params); @@ -829,13 +845,15 @@ int timerlat_top_main(int argc, char *argv[]) } out_top: + timerlat_aa_destroy(); if (dma_latency_fd >= 0) close(dma_latency_fd); trace_events_destroy(&record->trace, params->events); params->events = NULL; out_free: timerlat_free_top(top->data); - timerlat_aa_destroy(); + if (aa && aa != top) + osnoise_destroy_tool(aa); osnoise_destroy_tool(record); osnoise_destroy_tool(top); free(params); |