| /tools/testing/selftests/powerpc/pmu/ |
| D | count_instructions.c | 30 u64 overhead, bool report) in do_count_loop() argument
45 expected = instructions + overhead; in do_count_loop()
53 printf("Looped for %llu instructions, overhead %llu\n", instructions, overhead); in do_count_loop()
76 u64 current, overhead; in determine_overhead() local
80 overhead = events[0].result.value; in determine_overhead()
85 if (current < overhead) { in determine_overhead()
86 printf("Replacing overhead %llu with %llu\n", overhead, current); in determine_overhead()
87 overhead = current; in determine_overhead()
91 return overhead; in determine_overhead()
97 u64 overhead; in test_body() local
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| /tools/testing/selftests/powerpc/pmu/ebb/ |
| D | instruction_count_test.c | 26 uint64_t overhead, bool report) in do_count_loop() argument
46 expected = instructions + overhead; in do_count_loop()
51 printf("Looped for %lu instructions, overhead %lu\n", instructions, overhead); in do_count_loop()
72 uint64_t current, overhead; in determine_overhead() local
76 overhead = event->result.value; in determine_overhead()
81 if (current < overhead) { in determine_overhead()
82 printf("Replacing overhead %lu with %lu\n", overhead, current); in determine_overhead()
83 overhead = current; in determine_overhead()
87 return overhead; in determine_overhead()
112 uint64_t overhead; in instruction_count() local
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| /tools/perf/Documentation/ |
| D | callchain-overhead-calculation.txt | 3 The overhead can be shown in two columns as 'Children' and 'Self' when
4 perf collects callchains. The 'self' overhead is simply calculated by
7 'self' overhead values should be 100%.
9 The 'children' overhead is calculated by adding all period values of
10 the child functions so that it can show the total overhead of the
15 It might be confusing that the sum of all the 'children' overhead
17 'self' overhead of its child functions. But with this enabled, users
18 can find which function has the most overhead even if samples are
45 in the usual (self-overhead-only) output of perf report:
64 When the --children option is enabled, the 'self' overhead values of
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| D | perf-config.txt | 141 'top' means a overhead percentage which is more than 5%.
146 'medium' means a overhead percentage which has more than 0.5%.
149 'normal' means the rest of overhead percentages
297 But if this option is 'false', percent values for overhead are printed i.e.
304 This option control the way to calculate overhead of filtered entries -
314 This is an original overhead and we'll filter out the first 'foo'
315 entry. The value of 'relative' would increase the overhead of 'bar'
317 current overhead (33.33%).
341 flat and folded. This option controls a way to show overhead for each callchain
358 (meaning that it assumes 100% total overhead of 'foo').
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| D | perf-top.txt | 119 local_weight, abort, in_tx, transaction, overhead, sample, period.
125 overhead, overhead_sys, overhead_us, overhead_children, sample and period.
140 percentage of the overhead column. See --percentage for more info.
144 percentage of the overhead column. See --percentage for more info.
148 percentage of the overhead column. See --percentage for more info.
172 enabled. See the `overhead calculation' section for more details.
188 Do not show entries which have an overhead under that percent.
192 Determine how to display the overhead percentage of filtered entries.
271 include::callchain-overhead-calculation.txt[]
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| D | perf-report.txt | 43 the overhead column. See --percentage for more info.
53 the overhead column. See --percentage for more info.
58 the overhead column. See --percentage for more info.
91 - overhead: Overhead percentage of sample
165 overhead, overhead_sys, overhead_us, overhead_children, sample and period.
206 - graph: use a graph tree, displaying absolute overhead rates. (default)
234 - percent: diplay overhead percent (default)
242 See the `overhead calculation' section for more details.
361 Do not show entries which have an overhead under that percent.
368 Determine how to display the overhead percentage of filtered entries.
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| D | tips.txt | 31 Order by the overhead of source file name and line number: perf report -s srcline
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| D | perf-diff.txt | 105 Determine how to display the overhead percentage of filtered entries.
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| D | perf-trace.txt | 140 not limiting, the overhead of callchains needs to be set via the
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| D | perf-stat.txt | 147 The overhead percentage could be high in some cases, for instance with small, sub 100ms intervals. …
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| D | perf-list.txt | 164 that allows low overhead execution tracing. These are described in a separate
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| D | perf-record.txt | 291 Do not update the buildid cache. This saves some overhead in situations
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| /tools/perf/ui/ |
| D | hist.c | 360 HPP_PERCENT_FNS(overhead, period) in HPP_PERCENT_FNS() argument
432 HPP__COLOR_PRINT_FNS("Overhead", overhead, OVERHEAD),
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| /tools/virtio/virtio-trace/ |
| D | README | 5 overhead. Trace agent has the following functions:
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| /tools/perf/ui/gtk/ |
| D | hists.c | 66 __HPP_COLOR_PERCENT_FN(overhead, period) in __HPP_COLOR_PERCENT_FN() argument
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| /tools/perf/ui/browsers/ |
| D | hists.c | 1143 __HPP_COLOR_PERCENT_FN(overhead, period) in __HPP_COLOR_PERCENT_FN() argument
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