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tools/rtla: Add for_each_monitored_cpu() helper

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The rtla tools have many instances of iterating over CPUs while
checking if they are monitored.

Add a for_each_monitored_cpu() helper macro to make the code
more readable and reduce code duplication.

Signed-off-by: Costa Shulyupin <costa.shul@redhat.com>
Reviewed-by: Tomas Glozar <tglozar@redhat.com>
Link: https://lore.kernel.org/r/20251002123553.389467-1-costa.shul@redhat.com
Signed-off-by: Tomas Glozar <tglozar@redhat.com>
This commit is contained in:
Costa Shulyupin
2025-10-02 15:35:38 +03:00
committed by Tomas Glozar
parent 0d5077c73a
commit 04fa6bf373
6 changed files with 23 additions and 58 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
tools/tracing/rtla/src/common.h
View File

@@ -107,6 +107,10 @@ struct common_params {
struct timerlat_u_params user;
};
#define for_each_monitored_cpu(cpu, nr_cpus, common) \
for (cpu = 0; cpu < nr_cpus; cpu++) \
if (!(common)->cpus || CPU_ISSET(cpu, &(common)->monitored_cpus))
struct tool_ops;
/*

28
tools/tracing/rtla/src/osnoise_hist.c
View File

@@ -247,9 +247,7 @@ static void osnoise_hist_header(struct osnoise_tool *tool)
if (!params->common.hist.no_index)
trace_seq_printf(s, "Index");
for (cpu = 0; cpu < data->nr_cpus; cpu++) {
if (params->common.cpus && !CPU_ISSET(cpu, &params->common.monitored_cpus))
continue;
for_each_monitored_cpu(cpu, data->nr_cpus, &params->common) {
if (!data->hist[cpu].count)
continue;
@@ -278,9 +276,7 @@ osnoise_print_summary(struct osnoise_params *params,
if (!params->common.hist.no_index)
trace_seq_printf(trace->seq, "count:");
for (cpu = 0; cpu < data->nr_cpus; cpu++) {
if (params->common.cpus && !CPU_ISSET(cpu, &params->common.monitored_cpus))
continue;
for_each_monitored_cpu(cpu, data->nr_cpus, &params->common) {
if (!data->hist[cpu].count)
continue;
@@ -292,9 +288,7 @@ osnoise_print_summary(struct osnoise_params *params,
if (!params->common.hist.no_index)
trace_seq_printf(trace->seq, "min: ");
for (cpu = 0; cpu < data->nr_cpus; cpu++) {
if (params->common.cpus && !CPU_ISSET(cpu, &params->common.monitored_cpus))
continue;
for_each_monitored_cpu(cpu, data->nr_cpus, &params->common) {
if (!data->hist[cpu].count)
continue;
@@ -307,9 +301,7 @@ osnoise_print_summary(struct osnoise_params *params,
if (!params->common.hist.no_index)
trace_seq_printf(trace->seq, "avg: ");
for (cpu = 0; cpu < data->nr_cpus; cpu++) {
if (params->common.cpus && !CPU_ISSET(cpu, &params->common.monitored_cpus))
continue;
for_each_monitored_cpu(cpu, data->nr_cpus, &params->common) {
if (!data->hist[cpu].count)
continue;
@@ -325,9 +317,7 @@ osnoise_print_summary(struct osnoise_params *params,
if (!params->common.hist.no_index)
trace_seq_printf(trace->seq, "max: ");
for (cpu = 0; cpu < data->nr_cpus; cpu++) {
if (params->common.cpus && !CPU_ISSET(cpu, &params->common.monitored_cpus))
continue;
for_each_monitored_cpu(cpu, data->nr_cpus, &params->common) {
if (!data->hist[cpu].count)
continue;
@@ -362,9 +352,7 @@ osnoise_print_stats(struct osnoise_tool *tool)
trace_seq_printf(trace->seq, "%-6d",
bucket * data->bucket_size);
for (cpu = 0; cpu < data->nr_cpus; cpu++) {
if (params->common.cpus && !CPU_ISSET(cpu, &params->common.monitored_cpus))
continue;
for_each_monitored_cpu(cpu, data->nr_cpus, &params->common) {
if (!data->hist[cpu].count)
continue;
@@ -400,9 +388,7 @@ osnoise_print_stats(struct osnoise_tool *tool)
if (!params->common.hist.no_index)
trace_seq_printf(trace->seq, "over: ");
for (cpu = 0; cpu < data->nr_cpus; cpu++) {
if (params->common.cpus && !CPU_ISSET(cpu, &params->common.monitored_cpus))
continue;
for_each_monitored_cpu(cpu, data->nr_cpus, &params->common) {
if (!data->hist[cpu].count)
continue;

4
tools/tracing/rtla/src/osnoise_top.c
View File

@@ -243,9 +243,7 @@ osnoise_print_stats(struct osnoise_tool *top)
osnoise_top_header(top);
for (i = 0; i < nr_cpus; i++) {
if (params->common.cpus && !CPU_ISSET(i, &params->common.monitored_cpus))
continue;
for_each_monitored_cpu(i, nr_cpus, &params->common) {
osnoise_top_print(top, i);
}

9
tools/tracing/rtla/src/timerlat.c
View File

@@ -126,9 +126,7 @@ int timerlat_enable(struct osnoise_tool *tool)
nr_cpus = sysconf(_SC_NPROCESSORS_CONF);
for (i = 0; i < nr_cpus; i++) {
if (params->common.cpus && !CPU_ISSET(i, &params->common.monitored_cpus))
continue;
for_each_monitored_cpu(i, nr_cpus, &params->common) {
if (save_cpu_idle_disable_state(i) < 0) {
err_msg("Could not save cpu idle state.\n");
return -1;
@@ -221,10 +219,7 @@ void timerlat_free(struct osnoise_tool *tool)
if (dma_latency_fd >= 0)
close(dma_latency_fd);
if (params->deepest_idle_state >= -1) {
for (i = 0; i < nr_cpus; i++) {
if (params->common.cpus &&
!CPU_ISSET(i, &params->common.monitored_cpus))
continue;
for_each_monitored_cpu(i, nr_cpus, &params->common) {
restore_cpu_idle_disable_state(i);
}
}

32
tools/tracing/rtla/src/timerlat_hist.c
View File

@@ -305,9 +305,7 @@ static void timerlat_hist_header(struct osnoise_tool *tool)
if (!params->common.hist.no_index)
trace_seq_printf(s, "Index");
for (cpu = 0; cpu < data->nr_cpus; cpu++) {
if (params->common.cpus && !CPU_ISSET(cpu, &params->common.monitored_cpus))
continue;
for_each_monitored_cpu(cpu, data->nr_cpus, &params->common) {
if (!data->hist[cpu].irq_count && !data->hist[cpu].thread_count)
continue;
@@ -359,9 +357,7 @@ timerlat_print_summary(struct timerlat_params *params,
if (!params->common.hist.no_index)
trace_seq_printf(trace->seq, "count:");
for (cpu = 0; cpu < data->nr_cpus; cpu++) {
if (params->common.cpus && !CPU_ISSET(cpu, &params->common.monitored_cpus))
continue;
for_each_monitored_cpu(cpu, data->nr_cpus, &params->common) {
if (!data->hist[cpu].irq_count && !data->hist[cpu].thread_count)
continue;
@@ -383,9 +379,7 @@ timerlat_print_summary(struct timerlat_params *params,
if (!params->common.hist.no_index)
trace_seq_printf(trace->seq, "min: ");
for (cpu = 0; cpu < data->nr_cpus; cpu++) {
if (params->common.cpus && !CPU_ISSET(cpu, &params->common.monitored_cpus))
continue;
for_each_monitored_cpu(cpu, data->nr_cpus, &params->common) {
if (!data->hist[cpu].irq_count && !data->hist[cpu].thread_count)
continue;
@@ -413,9 +407,7 @@ timerlat_print_summary(struct timerlat_params *params,
if (!params->common.hist.no_index)
trace_seq_printf(trace->seq, "avg: ");
for (cpu = 0; cpu < data->nr_cpus; cpu++) {
if (params->common.cpus && !CPU_ISSET(cpu, &params->common.monitored_cpus))
continue;
for_each_monitored_cpu(cpu, data->nr_cpus, &params->common) {
if (!data->hist[cpu].irq_count && !data->hist[cpu].thread_count)
continue;
@@ -443,9 +435,7 @@ timerlat_print_summary(struct timerlat_params *params,
if (!params->common.hist.no_index)
trace_seq_printf(trace->seq, "max: ");
for (cpu = 0; cpu < data->nr_cpus; cpu++) {
if (params->common.cpus && !CPU_ISSET(cpu, &params->common.monitored_cpus))
continue;
for_each_monitored_cpu(cpu, data->nr_cpus, &params->common) {
if (!data->hist[cpu].irq_count && !data->hist[cpu].thread_count)
continue;
@@ -490,9 +480,7 @@ timerlat_print_stats_all(struct timerlat_params *params,
sum.min_thread = ~0;
sum.min_user = ~0;
for (cpu = 0; cpu < data->nr_cpus; cpu++) {
if (params->common.cpus && !CPU_ISSET(cpu, &params->common.monitored_cpus))
continue;
for_each_monitored_cpu(cpu, data->nr_cpus, &params->common) {
if (!data->hist[cpu].irq_count && !data->hist[cpu].thread_count)
continue;
@@ -639,9 +627,7 @@ timerlat_print_stats(struct osnoise_tool *tool)
trace_seq_printf(trace->seq, "%-6d",
bucket * data->bucket_size);
for (cpu = 0; cpu < data->nr_cpus; cpu++) {
if (params->common.cpus && !CPU_ISSET(cpu, &params->common.monitored_cpus))
continue;
for_each_monitored_cpu(cpu, data->nr_cpus, &params->common) {
if (!data->hist[cpu].irq_count && !data->hist[cpu].thread_count)
continue;
@@ -679,9 +665,7 @@ timerlat_print_stats(struct osnoise_tool *tool)
if (!params->common.hist.no_index)
trace_seq_printf(trace->seq, "over: ");
for (cpu = 0; cpu < data->nr_cpus; cpu++) {
if (params->common.cpus && !CPU_ISSET(cpu, &params->common.monitored_cpus))
continue;
for_each_monitored_cpu(cpu, data->nr_cpus, &params->common) {
if (!data->hist[cpu].irq_count && !data->hist[cpu].thread_count)
continue;

4
tools/tracing/rtla/src/timerlat_top.c
View File

@@ -459,9 +459,7 @@ timerlat_print_stats(struct osnoise_tool *top)
timerlat_top_header(params, top);
for (i = 0; i < nr_cpus; i++) {
if (params->common.cpus && !CPU_ISSET(i, &params->common.monitored_cpus))
continue;
for_each_monitored_cpu(i, nr_cpus, &params->common) {
timerlat_top_print(top, i);
timerlat_top_update_sum(top, i, &summary);
}