| /linux/tools/perf/util/ |
| H A D | tool.c | 16 static int perf_session__process_compressed_event(const struct perf_tool *tool __maybe_unused, in perf_session__process_compressed_event() 83 static int process_event_synth_tracing_data_stub(const struct perf_tool *tool __maybe_unused, in process_event_synth_tracing_data_stub() 91 static int process_event_synth_attr_stub(const struct perf_tool *tool __maybe_unused, in process_event_synth_attr_stub() 99 static int process_event_synth_event_update_stub(const struct perf_tool *tool __maybe_unused, in process_event_synth_event_update_stub() 110 int process_event_sample_stub(const struct perf_tool *tool __maybe_unused, in process_event_sample_stub() 120 static int process_event_stub(const struct perf_tool *tool __maybe_unused, in process_event_stub() 129 static int process_finished_round_stub(const struct perf_tool *tool __maybe_unused, in process_finished_round_stub() 152 static s64 process_event_auxtrace_stub(const struct perf_tool *tool __maybe_unused, in process_event_auxtrace_stub() 162 static int process_event_op2_stub(const struct perf_tool *tool __maybe_unused, in process_event_op2_stub() 172 int process_event_thread_map_stub(const struct perf_tool *tool __maybe_unused, in process_event_thread_map_stub() [all …]
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| H A D | synthetic-events.h | 44 typedef int (*perf_event__handler_t)(const struct perf_tool *tool, union perf_event *event, 47 int perf_event__synthesize_attrs(const struct perf_tool *tool, struct evlist *evlist, perf_event__h… 48 int perf_event__synthesize_attr(const struct perf_tool *tool, struct perf_event_attr *attr, u32 ids… 49 int perf_event__synthesize_build_id(const struct perf_tool *tool, 57 int perf_event__synthesize_mmap2_build_id(const struct perf_tool *tool, 68 int perf_event__synthesize_cpu_map(const struct perf_tool *tool, const struct perf_cpu_map *cpus, p… 69 int perf_event__synthesize_event_update_cpus(const struct perf_tool *tool, struct evsel *evsel, per… 70 int perf_event__synthesize_event_update_name(const struct perf_tool *tool, struct evsel *evsel, per… 71 int perf_event__synthesize_event_update_scale(const struct perf_tool *tool, struct evsel *evsel, pe… 72 int perf_event__synthesize_event_update_unit(const struct perf_tool *tool, struct evsel *evsel, per… [all …]
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| H A D | data-convert-json.c | 36 struct perf_tool tool; member 131 static void output_sample_callchain_entry(const struct perf_tool *tool, in output_sample_callchain_entry() argument 134 struct convert_json *c = container_of(tool, struct convert_json, tool); in output_sample_callchain_entry() 159 static int process_sample_event(const struct perf_tool *tool, in process_sample_event() argument 165 struct convert_json *c = container_of(tool, struct convert_json, tool); in process_sample_event() 238 output_sample_callchain_entry(tool, ip, ok ? &tal : NULL); in process_sample_event() 242 output_sample_callchain_entry(tool, sample->ip, &al); in process_sample_event() 329 static int process_feature_event(const struct perf_tool *tool __maybe_unused, in process_feature_event() 359 perf_tool__init(&c.tool, /*ordered_events=*/true); in bt_convert__perf2json() 360 c.tool.sample = process_sample_event; in bt_convert__perf2json() [all …]
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| H A D | tool.h | 18 typedef int (*event_sample)(const struct perf_tool *tool, union perf_event *event, 22 typedef int (*event_op)(const struct perf_tool *tool, union perf_event *event, 25 typedef int (*event_attr_op)(const struct perf_tool *tool, 29 typedef int (*event_op2)(const struct perf_tool *tool, struct perf_session *session, 31 typedef s64 (*event_op3)(const struct perf_tool *tool, struct perf_session *session, 33 typedef int (*event_op4)(const struct perf_tool *tool, struct perf_session *session, 36 typedef int (*event_oe)(const struct perf_tool *tool, union perf_event *event, 99 void perf_tool__init(struct perf_tool *tool, bool ordered_events); 101 bool perf_tool__compressed_is_stub(const struct perf_tool *tool); 103 int process_event_sample_stub(const struct perf_tool *tool, [all …]
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| H A D | session.c | 47 const struct perf_tool *tool, 136 session->tool, event->file_offset, in ordered_events__deliver_event() 141 struct perf_tool *tool, in __perf_session__new() argument 152 session->tool = tool; in __perf_session__new() 218 if ((!data || !data->is_pipe) && tool && tool->ordering_requires_timestamps && in __perf_session__new() 219 tool->ordered_events && !evlist__sample_id_all(session->evlist)) { in __perf_session__new() 221 tool->ordered_events = false; in __perf_session__new() 798 int perf_event__process_finished_round(const struct perf_tool *tool __maybe_unused, in perf_event__process_finished_round() 1252 const struct perf_tool *tool, in deliver_sample_value() argument 1286 return tool->sample(tool, event, sample, evsel, machine); in deliver_sample_value() [all …]
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| H A D | event.h | 301 int perf_event__process_comm(const struct perf_tool *tool, 305 int perf_event__process_lost(const struct perf_tool *tool, 309 int perf_event__process_lost_samples(const struct perf_tool *tool, 313 int perf_event__process_aux(const struct perf_tool *tool, 317 int perf_event__process_itrace_start(const struct perf_tool *tool, 321 int perf_event__process_aux_output_hw_id(const struct perf_tool *tool, 325 int perf_event__process_switch(const struct perf_tool *tool, 329 int perf_event__process_namespaces(const struct perf_tool *tool, 333 int perf_event__process_cgroup(const struct perf_tool *tool, 337 int perf_event__process_mmap(const struct perf_tool *tool, [all …]
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| H A D | synthetic-events.c | 51 int perf_tool__process_synth_event(const struct perf_tool *tool, in perf_tool__process_synth_event() argument 66 return process(tool, event, &synth_sample, machine); in perf_tool__process_synth_event() 191 pid_t perf_event__synthesize_comm(const struct perf_tool *tool, in perf_event__synthesize_comm() argument 203 if (perf_tool__process_synth_event(tool, event, machine, process) != 0) in perf_event__synthesize_comm() 222 int perf_event__synthesize_namespaces(const struct perf_tool *tool, in perf_event__synthesize_namespaces() argument 231 if (!tool || !tool->namespace_events) in perf_event__synthesize_namespaces() 255 if (perf_tool__process_synth_event(tool, event, machine, process) != 0) in perf_event__synthesize_namespaces() 261 static int perf_event__synthesize_fork(const struct perf_tool *tool, in perf_event__synthesize_fork() argument 288 if (perf_tool__process_synth_event(tool, event, machine, process) != 0) in perf_event__synthesize_fork() 428 int perf_event__synthesize_mmap_events(const struct perf_tool *tool, in perf_event__synthesize_mmap_events() argument [all …]
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| /linux/tools/tracing/rtla/src/ |
| H A D | common.c | 31 * set_signals - handles the signal to stop the tool in set_signals() 52 * if the option should be handled by tool-specific parsing. in common_apply_config() 121 * common_apply_config - apply common configs to the initialized tool in run_tool() 124 common_apply_config(struct osnoise_tool *tool, struct common_params *params) in run_tool() 131 retval = osnoise_set_cpus(tool->context, params->cpus ? params->cpus : "all"); in run_tool() 165 retval = osnoise_set_workload(tool->context, params->kernel_workload); in run_tool() 182 struct osnoise_tool *tool; in run_tool() 190 tool = ops->init_tool(params); in run_tool() 191 if (!tool) { in run_tool() 192 err_msg("Could not init osnoise tool\ in run_tool() 44 common_apply_config(struct osnoise_tool * tool,struct common_params * params) common_apply_config() argument 102 struct osnoise_tool *tool; run_tool() local 243 top_main_loop(struct osnoise_tool * tool) top_main_loop() argument 301 hist_main_loop(struct osnoise_tool * tool) hist_main_loop() argument [all...] |
| H A D | timerlat.c | 25 * timerlat_apply_config - apply common configs to the initialized tool 28 timerlat_apply_config(struct osnoise_tool *tool, struct timerlat_params *params) 39 } else if (!tep_find_event_by_name(tool->trace.tep, "osnoise", "timerlat_sample")) { in timerlat_apply_config() 61 retval = osnoise_set_timerlat_period_us(tool->context, in timerlat_apply_config() 71 retval = osnoise_set_print_stack(tool->context, params->print_stack); in timerlat_apply_config() 93 return common_apply_config(tool, ¶ms->common); in timerlat_apply_config() 99 int timerlat_enable(struct osnoise_tool *tool) in timerlat_apply_config() 101 struct timerlat_params *params = to_timerlat_params(tool->params); in timerlat_apply_config() 133 tool->aa = osnoise_init_tool("timerlat_aa"); in timerlat_enable() 134 if (!tool in timerlat_enable() 29 timerlat_apply_config(struct osnoise_tool * tool,struct timerlat_params * params) timerlat_apply_config() argument 108 timerlat_enable(struct osnoise_tool * tool) timerlat_enable() argument 190 timerlat_analyze(struct osnoise_tool * tool,bool stopped) timerlat_analyze() argument 213 timerlat_free(struct osnoise_tool * tool) timerlat_free() argument [all...] |
| H A D | osnoise_hist.c | 56 static void osnoise_free_hist_tool(struct osnoise_tool *tool) 58 osnoise_free_histogram(tool->data); in osnoise_free_hist_tool() 99 static void osnoise_hist_update_multiple(struct osnoise_tool *tool, int cpu, 102 struct osnoise_params *params = to_osnoise_params(tool->params); in osnoise_hist_update_multiple() 103 struct osnoise_hist_data *data = tool->data; in osnoise_hist_update_multiple() 131 static void osnoise_destroy_trace_hist(struct osnoise_tool *tool) 133 struct osnoise_hist_data *data = tool->data; in osnoise_destroy_trace_hist() 135 tracefs_hist_pause(tool->trace.inst, data->trace_hist); in osnoise_destroy_trace_hist() 136 tracefs_hist_destroy(tool->trace.inst, data->trace_hist); in osnoise_destroy_trace_hist() 142 static int osnoise_init_trace_hist(struct osnoise_tool *tool) 57 osnoise_free_hist_tool(struct osnoise_tool * tool) osnoise_free_hist_tool() argument 100 osnoise_hist_update_multiple(struct osnoise_tool * tool,int cpu,unsigned long long duration,int count) osnoise_hist_update_multiple() argument 132 osnoise_destroy_trace_hist(struct osnoise_tool * tool) osnoise_destroy_trace_hist() argument 143 osnoise_init_trace_hist(struct osnoise_tool * tool) osnoise_init_trace_hist() argument 180 osnoise_read_trace_hist(struct osnoise_tool * tool) osnoise_read_trace_hist() argument 228 osnoise_hist_header(struct osnoise_tool * tool) osnoise_hist_header() argument 337 osnoise_print_stats(struct osnoise_tool * tool) osnoise_print_stats() argument 690 osnoise_hist_apply_config(struct osnoise_tool * tool) osnoise_hist_apply_config() argument 701 struct osnoise_tool *tool; osnoise_init_hist() local 722 osnoise_hist_enable(struct osnoise_tool * tool) osnoise_hist_enable() argument 733 osnoise_hist_main_loop(struct osnoise_tool * tool) osnoise_hist_main_loop() argument [all...] |
| H A D | timerlat_aa.c | 115 struct osnoise_tool *tool; member 494 function = tep_find_function(taa_ctx->tool->trace.tep, caller[i]); in timerlat_aa_stack_handler() 706 struct trace_instance *trace = &taa_ctx->tool->trace; in timerlat_auto_analysis_collect_trace() 771 tep = taa_ctx->tool->trace.tep; in timerlat_auto_analysis() 896 static void timerlat_aa_unregister_events(struct osnoise_tool *tool, int dump_tasks) in timerlat_aa_unregister_events() argument 899 tep_unregister_event_handler(tool->trace.tep, -1, "ftrace", "timerlat", in timerlat_aa_unregister_events() 900 timerlat_aa_handler, tool); in timerlat_aa_unregister_events() 902 tracefs_event_disable(tool->trace.inst, "osnoise", NULL); in timerlat_aa_unregister_events() 904 tep_unregister_event_handler(tool->trace.tep, -1, "osnoise", "nmi_noise", in timerlat_aa_unregister_events() 905 timerlat_aa_nmi_handler, tool); in timerlat_aa_unregister_events() [all …]
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| H A D | common.h | 117 * osnoise_tool - osnoise based tool definition. 138 int (*apply_config)(struct osnoise_tool *tool); 139 int (*enable)(struct osnoise_tool *tool); 140 int (*main)(struct osnoise_tool *tool); 141 void (*print_stats)(struct osnoise_tool *tool); 142 void (*analyze)(struct osnoise_tool *tool, bool stopped); 143 void (*free)(struct osnoise_tool *tool); 154 bool osnoise_trace_is_off(struct osnoise_tool *tool, struct osnoise_tool *record); 160 int common_apply_config(struct osnoise_tool *tool, struct common_params *params); 161 int top_main_loop(struct osnoise_tool *tool); [all...] |
| H A D | osnoise_top.c | 46 static void osnoise_free_top_tool(struct osnoise_tool *tool) in osnoise_free_top_tool() argument 48 osnoise_free_top(tool->data); in osnoise_free_top_tool() 84 struct osnoise_tool *tool; in osnoise_top_handler() local 90 tool = container_of(trace, struct osnoise_tool, trace); in osnoise_top_handler() 92 data = tool->data; in osnoise_top_handler() 126 * osnoise_top_header - print the header of the tool output 189 static void osnoise_top_print(struct osnoise_tool *tool, int cpu) in osnoise_top_print() argument 191 struct osnoise_params *params = to_osnoise_params(tool->params); in osnoise_top_print() 192 struct trace_seq *s = tool->trace.seq; in osnoise_top_print() 198 data = tool in osnoise_top_print() 518 osnoise_top_apply_config(struct osnoise_tool * tool) osnoise_top_apply_config() argument 549 struct osnoise_tool *tool; osnoise_init_top() local [all...] |
| H A D | timerlat_hist.c | 76 static void timerlat_free_histogram_tool(struct osnoise_tool *tool) in timerlat_free_histogram_tool() argument 78 timerlat_free_histogram(tool->data); in timerlat_free_histogram_tool() 79 timerlat_free(tool); in timerlat_free_histogram_tool() 137 timerlat_hist_update(struct osnoise_tool *tool, int cpu, in timerlat_hist_update() argument 141 struct timerlat_params *params = to_timerlat_params(tool->params); in timerlat_hist_update() 142 struct timerlat_hist_data *data = tool->data; in timerlat_hist_update() 187 struct osnoise_tool *tool; in timerlat_hist_handler() local 190 tool = container_of(trace, struct osnoise_tool, trace); in timerlat_hist_handler() 195 timerlat_hist_update(tool, cpu, context, latency); in timerlat_hist_handler() 203 static int timerlat_hist_bpf_pull_data(struct osnoise_tool *tool) in timerlat_hist_bpf_pull_data() argument 286 timerlat_hist_header(struct osnoise_tool * tool) timerlat_hist_header() argument 613 timerlat_print_stats(struct osnoise_tool * tool) timerlat_print_stats() argument 1058 timerlat_hist_apply_config(struct osnoise_tool * tool) timerlat_hist_apply_config() argument 1079 struct osnoise_tool *tool; timerlat_init_hist() local 1103 timerlat_hist_bpf_main_loop(struct osnoise_tool * tool) timerlat_hist_bpf_main_loop() argument 1136 timerlat_hist_main(struct osnoise_tool * tool) timerlat_hist_main() argument [all...] |
| H A D | osnoise.c | 1012 * osnoise_init_tool - init an osnoise tool 1015 * creates a new trace instance for the tool. 1070 bool osnoise_trace_is_off(struct osnoise_tool *tool, struct osnoise_tool *record) in osnoise_trace_is_off() argument 1073 * The tool instance is always present, it is the one used to collect in osnoise_trace_is_off() 1076 if (!tracefs_trace_is_on(tool->trace.inst)) in osnoise_trace_is_off() 1091 osnoise_report_missed_events(struct osnoise_tool *tool) in osnoise_report_missed_events() argument 1095 if (tool->trace.missed_events == UINT64_MAX) in osnoise_report_missed_events() 1097 else if (tool->trace.missed_events > 0) { in osnoise_report_missed_events() 1098 total_events = tool->trace.processed_events + tool in osnoise_report_missed_events() 1110 osnoise_apply_config(struct osnoise_tool * tool,struct osnoise_params * params) osnoise_apply_config() argument 1155 osnoise_enable(struct osnoise_tool * tool) osnoise_enable() argument [all...] |
| H A D | timerlat_top.c | 56 static void timerlat_free_top_tool(struct osnoise_tool *tool) 58 timerlat_free_top(tool->data); in timerlat_free_top_tool() 59 timerlat_free(tool); in timerlat_free_top_tool() 105 timerlat_top_update_sum(struct osnoise_tool *tool, int cpu, struct timerlat_top_cpu *sum) 107 struct timerlat_top_data *data = tool->data; in timerlat_top_update_sum() 130 timerlat_top_update(struct osnoise_tool *tool, int cpu, 134 struct timerlat_params *params = to_timerlat_params(tool->params); in timerlat_top_update() 135 struct timerlat_top_data *data = tool->data; in timerlat_top_update() 189 static int timerlat_top_bpf_pull_data(struct osnoise_tool *tool) 191 struct timerlat_top_data *data = tool in timerlat_top_bpf_pull_data() 57 timerlat_free_top_tool(struct osnoise_tool * tool) timerlat_free_top_tool() argument 106 timerlat_top_update_sum(struct osnoise_tool * tool,int cpu,struct timerlat_top_cpu * sum) timerlat_top_update_sum() argument 131 timerlat_top_update(struct osnoise_tool * tool,int cpu,unsigned long long thread,unsigned long long latency) timerlat_top_update() argument 190 timerlat_top_bpf_pull_data(struct osnoise_tool * tool) timerlat_top_bpf_pull_data() argument 856 timerlat_top_bpf_main_loop(struct osnoise_tool * tool) timerlat_top_bpf_main_loop() argument 909 timerlat_top_main_loop(struct osnoise_tool * tool) timerlat_top_main_loop() argument [all...] |
| H A D | timerlat.h | 35 int timerlat_apply_config(struct osnoise_tool *tool, struct timerlat_params *params); 37 int timerlat_enable(struct osnoise_tool *tool); 38 void timerlat_analyze(struct osnoise_tool *tool, bool stopped); 39 void timerlat_free(struct osnoise_tool *tool);
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| /linux/tools/perf/ |
| H A D | builtin-inject.c | 81 struct perf_tool tool; member 115 struct perf_tool tool; member 146 static int tool__inject_build_id(const struct perf_tool *tool, 153 static int tool__inject_mmap2_build_id(const struct perf_tool *tool, 176 static int perf_event__repipe_synth(const struct perf_tool *tool, in perf_event__repipe_synth() argument 180 struct perf_inject *inject = container_of(tool, struct perf_inject, in perf_event__repipe_synth() 181 tool); in perf_event__repipe_synth() 186 static int perf_event__repipe_oe_synth(const struct perf_tool *tool, in perf_event__repipe_oe_synth() argument 190 return perf_event__repipe_synth(tool, event); in perf_event__repipe_oe_synth() 194 static int perf_event__drop_oe(const struct perf_tool *tool __maybe_unused, in perf_event__drop_oe() [all …]
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| H A D | builtin-mem.c | 33 struct perf_tool tool; member 181 dump_raw_samples(const struct perf_tool *tool, in dump_raw_samples() argument 186 struct perf_mem *mem = container_of(tool, struct perf_mem, tool); in dump_raw_samples() 255 static int process_sample_event(const struct perf_tool *tool, in process_sample_event() argument 261 return dump_raw_samples(tool, event, sample, machine); in process_sample_event() 280 perf_tool__init(&mem->tool, /*ordered_events=*/true); in report_raw_events() 281 mem->tool.sample = process_sample_event; in report_raw_events() 282 mem->tool.mmap = perf_event__process_mmap; in report_raw_events() 283 mem->tool.mmap2 = perf_event__process_mmap2; in report_raw_events() 284 mem->tool.comm = perf_event__process_comm; in report_raw_events() [all …]
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| H A D | builtin-report.c | 77 struct perf_tool tool; member 243 static int process_feature_event(const struct perf_tool *tool, in process_feature_event() argument 247 struct report *rep = container_of(tool, struct report, tool); in process_feature_event() 269 static int process_sample_event(const struct perf_tool *tool, in process_sample_event() argument 275 struct report *rep = container_of(tool, struct report, tool); in process_sample_event() 349 static int process_read_event(const struct perf_tool *tool, in process_read_event() argument 355 struct report *rep = container_of(tool, struct report, tool); in process_read_event() 784 static int count_sample_event(const struct perf_tool *tool __maybe_unused, in count_sample_event() 796 static int count_lost_samples_event(const struct perf_tool *tool, in count_lost_samples_event() argument 801 struct report *rep = container_of(tool, struct report, tool); in count_lost_samples_event() [all …]
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| H A D | builtin-evlist.c | 22 static int process_header_feature(const struct perf_tool *tool __maybe_unused, in process_header_feature() 39 struct perf_tool tool; in __cmd_evlist() local 42 perf_tool__init(&tool, /*ordered_events=*/false); in __cmd_evlist() 44 tool.attr = perf_event__process_attr; in __cmd_evlist() 45 tool.feature = process_header_feature; in __cmd_evlist() 46 session = perf_session__new(&data, &tool); in __cmd_evlist()
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| H A D | builtin-script.c | 145 struct perf_tool tool; member 2640 static int process_sample_event(const struct perf_tool *tool, in process_sample_event() argument 2646 struct perf_script *scr = container_of(tool, struct perf_script, tool); in process_sample_event() 2724 static int process_deferred_sample_event(const struct perf_tool *tool, in process_deferred_sample_event() argument 2730 struct perf_script *scr = container_of(tool, struct perf_script, tool); in process_deferred_sample_event() 2815 static int process_attr(const struct perf_tool *tool, union perf_event *event, in process_attr() argument 2818 struct perf_script *scr = container_of(tool, struct perf_script, tool); in process_attr() 2825 err = perf_event__process_attr(tool, event, pevlist); in process_attr() 2883 static int print_event_with_time(const struct perf_tool *tool, in print_event_with_time() argument 2889 struct perf_script *script = container_of(tool, struct perf_script, tool); in print_event_with_time() [all …]
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| H A D | builtin-annotate.c | 50 struct perf_tool tool; member 284 static int process_sample_event(const struct perf_tool *tool, in process_sample_event() argument 290 struct perf_annotate *ann = container_of(tool, struct perf_annotate, tool); in process_sample_event() 316 static int process_feature_event(const struct perf_tool *tool __maybe_unused, in process_feature_event() 863 perf_tool__init(&annotate.tool, /*ordered_events=*/true); in cmd_annotate() 864 annotate.tool.sample = process_sample_event; in cmd_annotate() 865 annotate.tool.mmap = perf_event__process_mmap; in cmd_annotate() 866 annotate.tool.mmap2 = perf_event__process_mmap2; in cmd_annotate() 867 annotate.tool.comm = perf_event__process_comm; in cmd_annotate() 868 annotate.tool.exit = perf_event__process_exit; in cmd_annotate() [all …]
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| /linux/tools/perf/tests/ |
| H A D | event_update.c | 15 static int process_event_unit(const struct perf_tool *tool __maybe_unused, in process_event_unit() 28 static int process_event_scale(const struct perf_tool *tool __maybe_unused, in process_event_scale() 42 struct perf_tool tool; member 46 static int process_event_name(const struct perf_tool *tool, in process_event_name() argument 51 struct event_name *tmp = container_of(tool, struct event_name, tool); in process_event_name() 60 static int process_event_cpus(const struct perf_tool *tool __maybe_unused, in process_event_cpus() 106 perf_tool__init(&tmp.tool, /*ordered_events=*/false); in test__event_update() 110 !perf_event__synthesize_event_update_name(&tmp.tool, evsel, process_event_name)); in test__event_update() 116 !perf_event__synthesize_event_update_cpus(&tmp.tool, evsel, process_event_cpus)); in test__event_update()
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| /linux/Documentation/tools/rtla/ |
| H A D | rtla-hwnoise.rst | 3 .. |tool| replace:: hwnoise substdef 27 The tool also allows the configurations of the *osnoise* tracer and the 40 In the example below, the **rtla hwnoise** tool is set to run on CPUs *1-7* 43 The tool is set to detect any noise higher than *one microsecond*, 61 *Periods* the tool ran during the session. The *Runtime* is the time 62 the tool effectively runs on the CPU. The *Noise* column is the sum of 63 all noise that the tool observed, and the *% CPU Aval* is the relation 66 The *Max Noise* column is the maximum hardware noise the tool detected in a 70 occurrence observed by the tool. 80 The tool should report *0* hardware-related noise in the ideal situation.
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