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Mon, 09 Feb 2026 01:25:06 -0800 (PST) From: Costa Shulyupin To: Steven Rostedt , Tomas Glozar , Costa Shulyupin , Crystal Wood , Wander Lairson Costa , Ivan Pravdin , John Kacur , Tiezhu Yang , linux-trace-kernel@vger.kernel.org, linux-kernel@vger.kernel.org, bpf@vger.kernel.org Subject: [PATCH v2 4/4] tools/rtla: Remove unneeded nr_cpus from for_each_monitored_cpu Date: Mon, 9 Feb 2026 11:24:36 +0200 Message-ID: <20260209092436.2899888-5-costa.shul@redhat.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260209092436.2899888-1-costa.shul@redhat.com> References: <20260209092436.2899888-1-costa.shul@redhat.com> Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit nr_cpus does not change at runtime, so passing it through the macro argument is unnecessary. Remove the argument and use the global nr_cpus instead. Signed-off-by: Costa Shulyupin --- tools/tracing/rtla/src/common.h | 2 +- tools/tracing/rtla/src/osnoise_hist.c | 15 +++++++-------- tools/tracing/rtla/src/osnoise_top.c | 2 +- tools/tracing/rtla/src/timerlat.c | 4 ++-- tools/tracing/rtla/src/timerlat_hist.c | 16 ++++++++-------- tools/tracing/rtla/src/timerlat_top.c | 2 +- 6 files changed, 20 insertions(+), 21 deletions(-) diff --git a/tools/tracing/rtla/src/common.h b/tools/tracing/rtla/src/common.h index 32f9c1351209..28d258d6d178 100644 --- a/tools/tracing/rtla/src/common.h +++ b/tools/tracing/rtla/src/common.h @@ -109,7 +109,7 @@ struct common_params { extern int nr_cpus; -#define for_each_monitored_cpu(cpu, nr_cpus, common) \ +#define for_each_monitored_cpu(cpu, common) \ for (cpu = 0; cpu < nr_cpus; cpu++) \ if (!(common)->cpus || CPU_ISSET(cpu, &(common)->monitored_cpus)) diff --git a/tools/tracing/rtla/src/osnoise_hist.c b/tools/tracing/rtla/src/osnoise_hist.c index 90291504a1aa..e8f07108d39a 100644 --- a/tools/tracing/rtla/src/osnoise_hist.c +++ b/tools/tracing/rtla/src/osnoise_hist.c @@ -244,7 +244,7 @@ static void osnoise_hist_header(struct osnoise_tool *tool) if (!params->common.hist.no_index) trace_seq_printf(s, "Index"); - for_each_monitored_cpu(cpu, nr_cpus, ¶ms->common) { + for_each_monitored_cpu(cpu, ¶ms->common) { if (!data->hist[cpu].count) continue; @@ -273,8 +273,7 @@ osnoise_print_summary(struct osnoise_params *params, if (!params->common.hist.no_index) trace_seq_printf(trace->seq, "count:"); - for_each_monitored_cpu(cpu, nr_cpus, ¶ms->common) { - + for_each_monitored_cpu(cpu, ¶ms->common) { if (!data->hist[cpu].count) continue; @@ -285,7 +284,7 @@ osnoise_print_summary(struct osnoise_params *params, if (!params->common.hist.no_index) trace_seq_printf(trace->seq, "min: "); - for_each_monitored_cpu(cpu, nr_cpus, ¶ms->common) { + for_each_monitored_cpu(cpu, ¶ms->common) { if (!data->hist[cpu].count) continue; @@ -298,7 +297,7 @@ osnoise_print_summary(struct osnoise_params *params, if (!params->common.hist.no_index) trace_seq_printf(trace->seq, "avg: "); - for_each_monitored_cpu(cpu, nr_cpus, ¶ms->common) { + for_each_monitored_cpu(cpu, ¶ms->common) { if (!data->hist[cpu].count) continue; @@ -314,7 +313,7 @@ osnoise_print_summary(struct osnoise_params *params, if (!params->common.hist.no_index) trace_seq_printf(trace->seq, "max: "); - for_each_monitored_cpu(cpu, nr_cpus, ¶ms->common) { + for_each_monitored_cpu(cpu, ¶ms->common) { if (!data->hist[cpu].count) continue; @@ -349,7 +348,7 @@ osnoise_print_stats(struct osnoise_tool *tool) trace_seq_printf(trace->seq, "%-6d", bucket * data->bucket_size); - for_each_monitored_cpu(cpu, nr_cpus, ¶ms->common) { + for_each_monitored_cpu(cpu, ¶ms->common) { if (!data->hist[cpu].count) continue; @@ -385,7 +384,7 @@ osnoise_print_stats(struct osnoise_tool *tool) if (!params->common.hist.no_index) trace_seq_printf(trace->seq, "over: "); - for_each_monitored_cpu(cpu, nr_cpus, ¶ms->common) { + for_each_monitored_cpu(cpu, ¶ms->common) { if (!data->hist[cpu].count) continue; diff --git a/tools/tracing/rtla/src/osnoise_top.c b/tools/tracing/rtla/src/osnoise_top.c index 6fb3e72d74f2..ab5db35f21ae 100644 --- a/tools/tracing/rtla/src/osnoise_top.c +++ b/tools/tracing/rtla/src/osnoise_top.c @@ -236,7 +236,7 @@ osnoise_print_stats(struct osnoise_tool *top) osnoise_top_header(top); - for_each_monitored_cpu(i, nr_cpus, ¶ms->common) { + for_each_monitored_cpu(i, ¶ms->common) { osnoise_top_print(top, i); } diff --git a/tools/tracing/rtla/src/timerlat.c b/tools/tracing/rtla/src/timerlat.c index 69856f677fce..ec14abd45fff 100644 --- a/tools/tracing/rtla/src/timerlat.c +++ b/tools/tracing/rtla/src/timerlat.c @@ -115,7 +115,7 @@ int timerlat_enable(struct osnoise_tool *tool) return -1; } - for_each_monitored_cpu(i, nr_cpus, ¶ms->common) { + for_each_monitored_cpu(i, ¶ms->common) { if (save_cpu_idle_disable_state(i) < 0) { err_msg("Could not save cpu idle state.\n"); return -1; @@ -218,7 +218,7 @@ void timerlat_free(struct osnoise_tool *tool) if (dma_latency_fd >= 0) close(dma_latency_fd); if (params->deepest_idle_state >= -1) { - for_each_monitored_cpu(i, nr_cpus, ¶ms->common) { + for_each_monitored_cpu(i, ¶ms->common) { restore_cpu_idle_disable_state(i); } } diff --git a/tools/tracing/rtla/src/timerlat_hist.c b/tools/tracing/rtla/src/timerlat_hist.c index 4bf1489cad23..db66312ec966 100644 --- a/tools/tracing/rtla/src/timerlat_hist.c +++ b/tools/tracing/rtla/src/timerlat_hist.c @@ -298,7 +298,7 @@ static void timerlat_hist_header(struct osnoise_tool *tool) if (!params->common.hist.no_index) trace_seq_printf(s, "Index"); - for_each_monitored_cpu(cpu, nr_cpus, ¶ms->common) { + for_each_monitored_cpu(cpu, ¶ms->common) { if (!data->hist[cpu].irq_count && !data->hist[cpu].thread_count) continue; @@ -350,7 +350,7 @@ timerlat_print_summary(struct timerlat_params *params, if (!params->common.hist.no_index) trace_seq_printf(trace->seq, "count:"); - for_each_monitored_cpu(cpu, nr_cpus, ¶ms->common) { + for_each_monitored_cpu(cpu, ¶ms->common) { if (!data->hist[cpu].irq_count && !data->hist[cpu].thread_count) continue; @@ -372,7 +372,7 @@ timerlat_print_summary(struct timerlat_params *params, if (!params->common.hist.no_index) trace_seq_printf(trace->seq, "min: "); - for_each_monitored_cpu(cpu, nr_cpus, ¶ms->common) { + for_each_monitored_cpu(cpu, ¶ms->common) { if (!data->hist[cpu].irq_count && !data->hist[cpu].thread_count) continue; @@ -400,7 +400,7 @@ timerlat_print_summary(struct timerlat_params *params, if (!params->common.hist.no_index) trace_seq_printf(trace->seq, "avg: "); - for_each_monitored_cpu(cpu, nr_cpus, ¶ms->common) { + for_each_monitored_cpu(cpu, ¶ms->common) { if (!data->hist[cpu].irq_count && !data->hist[cpu].thread_count) continue; @@ -428,7 +428,7 @@ timerlat_print_summary(struct timerlat_params *params, if (!params->common.hist.no_index) trace_seq_printf(trace->seq, "max: "); - for_each_monitored_cpu(cpu, nr_cpus, ¶ms->common) { + for_each_monitored_cpu(cpu, ¶ms->common) { if (!data->hist[cpu].irq_count && !data->hist[cpu].thread_count) continue; @@ -473,7 +473,7 @@ timerlat_print_stats_all(struct timerlat_params *params, sum.min_thread = ~0; sum.min_user = ~0; - for_each_monitored_cpu(cpu, nr_cpus, ¶ms->common) { + for_each_monitored_cpu(cpu, ¶ms->common) { if (!data->hist[cpu].irq_count && !data->hist[cpu].thread_count) continue; @@ -620,7 +620,7 @@ timerlat_print_stats(struct osnoise_tool *tool) trace_seq_printf(trace->seq, "%-6d", bucket * data->bucket_size); - for_each_monitored_cpu(cpu, nr_cpus, ¶ms->common) { + for_each_monitored_cpu(cpu, ¶ms->common) { if (!data->hist[cpu].irq_count && !data->hist[cpu].thread_count) continue; @@ -658,7 +658,7 @@ timerlat_print_stats(struct osnoise_tool *tool) if (!params->common.hist.no_index) trace_seq_printf(trace->seq, "over: "); - for_each_monitored_cpu(cpu, nr_cpus, ¶ms->common) { + for_each_monitored_cpu(cpu, ¶ms->common) { if (!data->hist[cpu].irq_count && !data->hist[cpu].thread_count) continue; diff --git a/tools/tracing/rtla/src/timerlat_top.c b/tools/tracing/rtla/src/timerlat_top.c index 4eb820fe1f21..ed3d3d1c8956 100644 --- a/tools/tracing/rtla/src/timerlat_top.c +++ b/tools/tracing/rtla/src/timerlat_top.c @@ -446,7 +446,7 @@ timerlat_print_stats(struct osnoise_tool *top) timerlat_top_header(params, top); - for_each_monitored_cpu(i, nr_cpus, ¶ms->common) { + for_each_monitored_cpu(i, ¶ms->common) { timerlat_top_print(top, i); timerlat_top_update_sum(top, i, &summary); } -- 2.52.0