diff options
| -rw-r--r-- | tools/tracing/rtla/src/timerlat_top.c | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/tools/tracing/rtla/src/timerlat_top.c b/tools/tracing/rtla/src/timerlat_top.c index c9cf90ed4e6d..bdcf8ef8f815 100644 --- a/tools/tracing/rtla/src/timerlat_top.c +++ b/tools/tracing/rtla/src/timerlat_top.c @@ -119,6 +119,37 @@ cleanup: return NULL; } +static void +timerlat_top_reset_sum(struct timerlat_top_cpu *summary) +{ + memset(summary, 0, sizeof(*summary)); + summary->min_irq = ~0; + summary->min_thread = ~0; + summary->min_user = ~0; +} + +static void +timerlat_top_update_sum(struct osnoise_tool *tool, int cpu, struct timerlat_top_cpu *sum) +{ + struct timerlat_top_data *data = tool->data; + struct timerlat_top_cpu *cpu_data = &data->cpu_data[cpu]; + + sum->irq_count += cpu_data->irq_count; + update_min(&sum->min_irq, &cpu_data->min_irq); + update_sum(&sum->sum_irq, &cpu_data->sum_irq); + update_max(&sum->max_irq, &cpu_data->max_irq); + + sum->thread_count += cpu_data->thread_count; + update_min(&sum->min_thread, &cpu_data->min_thread); + update_sum(&sum->sum_thread, &cpu_data->sum_thread); + update_max(&sum->max_thread, &cpu_data->max_thread); + + sum->user_count += cpu_data->user_count; + update_min(&sum->min_user, &cpu_data->min_user); + update_sum(&sum->sum_user, &cpu_data->sum_user); + update_max(&sum->max_user, &cpu_data->max_user); +} + /* * timerlat_hist_update - record a new timerlat occurent on cpu, updating data */ @@ -286,6 +317,77 @@ static void timerlat_top_print(struct osnoise_tool *top, int cpu) } /* + * timerlat_top_print_sum - prints the summary output + */ +static void +timerlat_top_print_sum(struct osnoise_tool *top, struct timerlat_top_cpu *summary) +{ + const char *split = "----------------------------------------"; + struct timerlat_top_params *params = top->params; + unsigned long long count = summary->irq_count; + int divisor = params->output_divisor; + struct trace_seq *s = top->trace.seq; + int e = 0; + + if (divisor == 0) + return; + + /* + * Skip if no data is available: is this cpu offline? + */ + if (!summary->irq_count && !summary->thread_count) + return; + + while (count > 999999) { + e++; + count /= 10; + } + + trace_seq_printf(s, "%.*s|%.*s|%.*s", 15, split, 40, split, 39, split); + if (params->user_top) + trace_seq_printf(s, "-|%.*s", 39, split); + trace_seq_printf(s, "\n"); + + trace_seq_printf(s, "ALL #%-6llu e%d |", count, e); + + if (!summary->irq_count) { + trace_seq_printf(s, " %s %s %s |", no_value, no_value, no_value); + } else { + trace_seq_printf(s, " "); + trace_seq_printf(s, "%9llu ", summary->min_irq / params->output_divisor); + trace_seq_printf(s, "%9llu ", (summary->sum_irq / summary->irq_count) / divisor); + trace_seq_printf(s, "%9llu |", summary->max_irq / divisor); + } + + if (!summary->thread_count) { + trace_seq_printf(s, "%s %s %s %s", no_value, no_value, no_value, no_value); + } else { + trace_seq_printf(s, " "); + trace_seq_printf(s, "%9llu ", summary->min_thread / divisor); + trace_seq_printf(s, "%9llu ", + (summary->sum_thread / summary->thread_count) / divisor); + trace_seq_printf(s, "%9llu", summary->max_thread / divisor); + } + + if (!params->user_top) { + trace_seq_printf(s, "\n"); + return; + } + + trace_seq_printf(s, " |"); + + if (!summary->user_count) { + trace_seq_printf(s, " %s %s %s |", no_value, no_value, no_value); + } else { + trace_seq_printf(s, " "); + trace_seq_printf(s, "%9llu ", summary->min_user / divisor); + trace_seq_printf(s, "%9llu ", + (summary->sum_user / summary->user_count) / divisor); + trace_seq_printf(s, "%9llu\n", summary->max_user / divisor); + } +} + +/* * clear_terminal - clears the output terminal */ static void clear_terminal(struct trace_seq *seq) @@ -301,6 +403,7 @@ static void timerlat_print_stats(struct timerlat_top_params *params, struct osnoise_tool *top) { struct trace_instance *trace = &top->trace; + struct timerlat_top_cpu summary; static int nr_cpus = -1; int i; @@ -313,14 +416,19 @@ timerlat_print_stats(struct timerlat_top_params *params, struct osnoise_tool *to if (!params->quiet) clear_terminal(trace->seq); + timerlat_top_reset_sum(&summary); + timerlat_top_header(params, top); for (i = 0; i < nr_cpus; i++) { if (params->cpus && !CPU_ISSET(i, ¶ms->monitored_cpus)) continue; timerlat_top_print(top, i); + timerlat_top_update_sum(top, i, &summary); } + timerlat_top_print_sum(top, &summary); + trace_seq_do_printf(trace->seq); trace_seq_reset(trace->seq); } |