| /tools/testing/selftests/seccomp/ |
| D | seccomp_benchmark.c | 23 unsigned long long timing(clockid_t clk_id, unsigned long long samples) in timing() argument
31 for (i = 0; i < samples; i++) { in timing()
52 unsigned long long i, samples, step = 9973; in calibrate() local
58 samples = 0; in calibrate()
68 samples += step; in calibrate()
74 return samples * seconds; in calibrate()
142 unsigned long long samples, calc; in main() local
151 samples = strtoull(argv[1], NULL, 0); in main()
153 samples = calibrate(); in main()
155 printf("Benchmarking %llu syscalls...\n", samples); in main()
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| /tools/testing/selftests/timers/ |
| D | freq-step.c | 111 static void regress(struct sample *samples, int n, double *intercept, in regress() argument
120 x = samples[i].time; in regress()
121 y = samples[i].offset; in regress()
135 x = samples[i].time; in regress()
136 y = samples[i].offset; in regress()
148 struct sample samples[SAMPLES]; in run_test() local
169 get_sample(&samples[i]); in run_test()
173 regress(samples, SAMPLES, &intercept, &slope, &stddev1, &max1); in run_test()
180 regress(samples, SAMPLES / 2, &intercept, &slope, &stddev1, &max1); in run_test()
184 regress(samples + SAMPLES / 2, SAMPLES / 2, &intercept, &slope, in run_test()
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| /tools/perf/Documentation/ |
| D | perf-annotate.txt | 47 --show-nr-samples::
48 Show the number of samples for each symbol
87 samples, TAB/UNTAB cycles through the lines with more samples.
92 --cpu=<cpu>:: Only report samples for the list of CPUs provided. Multiple CPUs can
94 CPUs are specified with -: 0-2. Default is to report samples on all
134 on - the samples period or the number of samples (hits).
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| D | perf-diff.txt | 23 If no parameters are passed the samples will be sorted by dso and symbol.
128 Analyze samples within given time window. It supports time
150 It also supports analyzing samples within a given time window
174 --cpu:: Only diff samples for the list of CPUs provided. Multiple CPUs can
176 CPUs are specified with -: 0-2. Default is to report samples on all
180 Only diff samples for given process ID (comma separated list).
183 Only diff samples for given thread ID (comma separated list).
187 aggregated by the branch records from samples.
192 file is iterated for samples. All other perf.data files specified on
196 All samples from non-baseline perf.data files, that do not match any
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| D | perf-mem.txt | 44 --dump-raw-samples::
45 Dump the raw decoded samples on the screen in a format that is easy to parse with
50 Specify the field separator used when dump raw samples (-D option). By default,
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| D | perf-data.txt | 46 Default is off, only convert samples.
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| D | perf-report.txt | 33 --show-nr-samples::
34 Show the number of samples for each symbol
92 - srcfile: file name of the source file of the samples. Requires dwarf
109 - time: Separate the samples by time stamp with the resolution specified by
330 --cpu:: Only report samples for the list of CPUs provided. Multiple CPUs can
332 CPUs are specified with -: 0-2. Default is to report samples on all
394 Use the data addresses of samples in addition to instruction addresses
426 Only analyze samples within given time window: <start>,<stop>. Times
503 Only report the samples on the processor socket that match with this filter
505 --samples=N::
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| D | callchain-overhead-calculation.txt | 18 can find which function has the most overhead even if samples are
43 Suppose all samples are recorded in 'foo' and 'bar' only. When it's
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| D | tips.txt | 15 Show individual samples with: perf script
39 To separate samples by time use perf report --sort time,overhead,sym
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| D | perf-kvm.txt | 61 handled time, samples, and so on.
111 Sorting key. Possible values: sample (default, sort by samples
148 Sorting key. Possible values: sample (default, sort by samples
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| D | perf-kmem.txt | 69 Only analyze samples within given time window: <start>,<stop>. Times
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| D | perf.data-directory-format.txt | 37 [ perf record: Captured and wrote 0.015 MB perf.data (9 samples) ]
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| D | examples.txt | 75 [ perf record: Captured and wrote 0.267 MB perf.data (~11679 samples) ]
129 [ perf record: Captured and wrote 0.963 MB perf.data (~42069 samples) ]
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| D | perf-top.txt | 145 --show-nr-samples::
146 Show a column with the number of samples.
263 as PERF_RECORD_MMAP which makes 'perf top' unable to resolve samples, leading
264 to lots of unknown samples appearing on the UI. Enable this if you are in such
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| D | perf-config.txt | 354 provided, display total number of samples that belong to a line
368 By default perf annotate shows percentage of samples. This option
369 can be used to print absolute number of samples. Ex, when set as
656 samples.*::
658 samples.context::
660 around samples in perf report sample context browser.
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| /tools/perf/util/ |
| D | top.c | 32 if (top->samples) { in perf_top__header_snprintf()
33 samples_per_sec = top->samples / top->delay_secs; in perf_top__header_snprintf()
35 esamples_percent = (100.0 * top->exact_samples) / top->samples; in perf_top__header_snprintf()
115 top->samples = top->us_samples = top->kernel_samples = in perf_top__reset_sample_counters()
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| D | top.h | 29 u64 samples, lost, lost_total, drop, drop_total; member
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| /tools/perf/tests/ |
| D | hists_link.c | 129 static int find_sample(struct sample *samples, size_t nr_samples, in find_sample() argument
133 if (samples->thread == t && samples->map == m && in find_sample()
134 samples->sym == s) in find_sample()
136 samples++; in find_sample()
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| /tools/testing/selftests/ftrace/ |
| D | README | 73 There are some sample test scripts for result code under samples/.
74 You can also run samples as below:
76 # ./ftracetest samples/
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| /tools/perf/ |
| D | builtin-record.c | 108 unsigned long long samples; member
353 rec->samples++; in record__aio_push()
541 rec->samples++; in record__pushfn()
642 rec->samples++; in record__auxtrace_mmap_read()
659 rec->samples++; in record__auxtrace_mmap_read_snapshot()
983 rec->samples++; in process_sample_event()
1279 rec->samples = 0; in record__switch_output()
1857 unsigned long long hits = rec->samples; in __cmd_record()
1926 if (hits == rec->samples) { in __cmd_record()
2022 rec->samples = 0; in __cmd_record()
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| D | builtin-inject.c | 50 struct list_head samples; member
596 list_for_each_entry(ent, &inject->samples, node) { in perf_inject__sched_process_exit()
627 list_add(&ent->node, &inject->samples); in perf_inject__sched_switch()
643 list_for_each_entry(ent, &inject->samples, node) { in perf_inject__sched_stat()
843 .samples = LIST_HEAD_INIT(inject.samples), in cmd_inject()
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| /tools/lib/perf/Documentation/ |
| D | libperf-sampling.txt | 36 The `sampling.c` example profiles/samples all CPUs with hardware cycles, in a
44 - reads and displays recorded samples
169 Following code walks through the ring buffers and reads stored events/samples:
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| /tools/testing/selftests/bpf/progs/ |
| D | strobemeta.h | 212 } samples SEC(".maps");
543 bpf_perf_event_output(ctx, &samples, 0, sample, 1 + sample_size); in on_event()
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| /tools/thermal/tmon/ |
| D | sysfs.c | 484 static unsigned long samples; in update_thermal_data() local
496 fprintf(tmon_log, "%lu ", ++samples); in update_thermal_data()
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| /tools/perf/tests/attr/ |
| D | README | 55 perf record -n kill (test-record-no-samples)
|