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/tools/perf/scripts/python/
A Dstat-cpi.py10 def get_key(time, event, cpu, thread): argument
11 return "%d-%s-%d-%d" % (time, event, cpu, thread)
13 def store_key(time, cpu, thread): argument
14 if (time not in times):
15 times.append(time)
23 def store(time, event, cpu, thread, val, ena, run): argument
27 store_key(time, cpu, thread)
28 key = get_key(time, event, cpu, thread)
31 def get(time, event, cpu, thread): argument
32 key = get_key(time, event, cpu, thread)
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A Dnetdev-times.py322 irq_record.update({'irq_ext_t':time})
369 'dev':dev_name, 'event_t':time,
374 (name, context, cpu, time, pid, comm,
392 (name, context, cpu, time, pid, comm,
407 (name, context, cpu, time, pid, comm,
418 (name, context, cpu, time, pid, comm,
424 skb['xmit_t'] = time
433 (name, context, cpu, time, pid, comm,
443 skb['free_t'] = time
451 'comm':comm, 'pid':pid, 'comm_t':time})
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/tools/testing/selftests/timers/
A Dvalid-adjtimex.c202 tmx.time.tv_sec = offset / NSEC_PER_SEC; in set_offset()
205 if (offset < 0 && tmx.time.tv_usec) { in set_offset()
206 tmx.time.tv_sec -= 1; in set_offset()
207 tmx.time.tv_usec += NSEC_PER_SEC; in set_offset()
213 if (offset < 0 && tmx.time.tv_usec) { in set_offset()
214 tmx.time.tv_sec -= 1; in set_offset()
215 tmx.time.tv_usec += USEC_PER_SEC; in set_offset()
221 printf("(sec: %ld usec: %ld) ", tmx.time.tv_sec, tmx.time.tv_usec); in set_offset()
237 tmx.time.tv_sec = sec; in set_bad_offset()
238 tmx.time.tv_usec = usec; in set_bad_offset()
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A Dset-2038.c47 int settime(long long time) in settime() argument
52 now.tv_sec = (time_t)time; in settime()
57 printf("Setting time to 0x%lx: %d\n", (long)time, ret); in settime()
87 start = time(0); in main()
A Dleap-a-day.c138 if (tx.time.tv_sec < next_leap) { in sigalarm()
142 tx.time.tv_sec, in sigalarm()
143 tx.time.tv_usec, in sigalarm()
151 tx.time.tv_sec, in sigalarm()
152 tx.time.tv_usec, in sigalarm()
328 now = tx.time.tv_sec; in main()
344 ctime_r(&tx.time.tv_sec, buf); in main()
349 tx.time.tv_usec, in main()
353 now = tx.time.tv_sec; in main()
/tools/testing/selftests/net/packetdrill/
A Dtcp_tcp_info_tcp-info-rwnd-limited.pkt2 // Test rwnd limited time in tcp_info for client side.
21 // Make sure that initial rwnd limited time is 0.
24 // Receive window limited time starts here.
27 // Check that rwnd limited time in tcp_info is around 0.1s.
33 // Check that rwnd limited time in tcp_info is around 0.2s.
41 // Receive window limited time starts again.
46 // Check that rwnd limited time in tcp_info is around 0.3s
47 // and busy time is 0.3 + 0.03 (server opened small window temporarily).
/tools/perf/Documentation/
A Dperf-kwork.txt39 including the run time and delay (time between raise and actually entry):
106 --time::
107 Only analyze samples within given time window: <start>,<stop>. Times
110 stop time is not given (i.e, time string is 'x.y,') then analysis goes
136 --time::
137 Only analyze samples within given time window: <start>,<stop>. Times
140 stop time is not given (i.e, time string is 'x.y,') then analysis goes
175 --time::
179 stop time is not given (i.e, time string is 'x.y,') then analysis goes
205 --time::
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A Dcpu-and-latency-overheads.txt3 There are two notions of time: wall-clock time and CPU time.
7 Each second of wall-clock time we have number-of-cores seconds of CPU time.
9 'latency' columns for CPU and wall-clock time correspondingly).
20 128 seconds of CPU time). The CPU overhead is: 'foo' - 6.6%, 'bar' - 93.4%.
22 running time of the program looking at the (wrong in this case) CPU overhead,
24 time improvement at best.
51 flags. It shows fraction of (wall-clock) time the workload utilizes different
53 the workload utilizes only 1 core most of the time, but also has some
A Dperf-sched.txt36 It shows Runtime(time that a task spent actually running on the CPU),
37 Count(number of times a delay was calculated) and delay(time that a
66 time (time between sched-out and next sched-in events for the task), the
68 run time for the task:
70 time cpu task name wait time sch delay run time
136 time is printed and is represented by '*-' for the given
186 Show visual aid for sched switches by CPU: 'i' marks idle time,
205 --time::
209 stop time is not given (i.e, time string is 'x.y,') then analysis goes
226 Show pre-migration wait time. pre-migration wait time is the time spent
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A Dperf-kvm.txt61 handled sample, percent_sample, time, percent_time, max_t, min_t, mean_t.
102 number), percent_sample (sort by sample percentage), time
103 (sort by average time), precent_time (sort by time percentage),
104 max_t (sort by maximum time), min_t (sort by minimum time), mean_t
105 (sort by mean time).
142 number), time (sort by average time).
150 a long time, because the file may be huge. A time out is needed
152 This option sets the time out limit. The default value is 500 ms.
A Dtips.txt5 To not accumulate CPU time of children symbols add --no-children
16 To see call chains by final symbol taking CPU time (bottom up) use perf report -G
49 …cord -e intel_pt// ... ; perf script --call-trace. Then use perf script --time A-B --insn-trace to…
56 To separate samples by time use perf report --sort time,overhead,sym
57 To filter subset of samples with report or script add --time X-Y or --cpu A,B,C or --socket-filter …
58 To set sample time separation other than 100ms with --sort time use --time-quantum
62 To show time in nanoseconds in record/report add --ns
68 To see how parallelism changes over time, try: perf report -F time,latency,parallelism --time-quant…
/tools/power/cpupower/bench/
A DREADME-BENCH9 - Identify average reaction time of a governor to CPU load changes
35 will be run X time in a row (cycles):
48 Will increase load and sleep time by 25ms 5 times.
50 25ms load/sleep time repeated 20 times (cycles).
51 50ms load/sleep time repeated 20 times (cycles).
53 100ms load/sleep time repeated 20 times (cycles).
87 50 50 50 50ms ->time
109 -l, --load=<long int> initial load time in us
110 -s, --sleep=<long int> initial sleep time in us
111 -x, --load-step=<long int> time to be added to load time, in us
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/tools/testing/selftests/drivers/net/lib/py/
A Dload.py4 import time
17 time.sleep(0.1)
33 time.sleep(0.1)
62 end = time.monotonic() + timeout
66 while time.monotonic() < end:
70 time.sleep(sleep)
/tools/testing/selftests/kvm/x86/
A Dxen_shinfo_test.c127 uint64_t time[5]; member
140 struct pvclock_vcpu_time_info time; member
207 GUEST_ASSERT(rs->time[RUNSTATE_blocked] != 0); in guest_code()
211 GUEST_ASSERT(rs->time[RUNSTATE_offline] != 0); in guest_code()
633 rs->time[1] + rs->time[2] + rs->time[3], in main()
663 0x5a - rs->time[RUNSTATE_blocked]; in main()
665 0x6b6b - rs->time[RUNSTATE_offline]; in main()
907 for (time_t t = time(NULL) + SHINFO_RACE_TIMEOUT; time(NULL) < t;) in main()
1055 runstate_names[i], rs->time[i]); in main()
1103 crs->time[1] + crs->time[2] + crs->time[3], in main()
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/tools/testing/selftests/alsa/
A Dtest-pcmtest-driver.c29 int time; member
149 self->params.time = 4; in FIXTURE_SETUP()
175 samples = calloc(self->params.sec_buf_len * self->params.time, 1); in TEST_F()
184 params->rate * params->channels * params->time); in TEST_F()
186 for (i = 0; i < self->params.sec_buf_len * params->time; i++) { in TEST_F()
214 samples = calloc(self->params.sec_buf_len * self->params.time, 1); in TEST_F()
223 params->rate * params->channels * params->time); in TEST_F()
256 chan_samples[i] = calloc(params.sec_buf_len * params.time, 1); in TEST_F()
265 for (j = 0; j < params.rate * params.time; j++) in TEST_F()
291 chan_samples[i] = calloc(params.sec_buf_len * params.time, 1); in TEST_F()
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/tools/testing/selftests/rtc/
A Drtctest.c311 rc = ioctl(self->fd, RTC_RD_TIME, &alarm.time); in TEST_F()
315 gmtime_r(&secs, (struct tm *)&alarm.time); in TEST_F()
335 alarm.time.tm_mday, alarm.time.tm_mon + 1, in TEST_F()
336 alarm.time.tm_year + 1900, alarm.time.tm_hour, in TEST_F()
337 alarm.time.tm_min, alarm.time.tm_sec); in TEST_F()
441 rc = ioctl(self->fd, RTC_RD_TIME, &alarm.time);
444 secs = timegm((struct tm *)&alarm.time) + 60 - alarm.time.tm_sec;
445 gmtime_r(&secs, (struct tm *)&alarm.time);
465 alarm.time.tm_mday, alarm.time.tm_mon + 1,
466 alarm.time.tm_year + 1900, alarm.time.tm_hour,
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/tools/testing/selftests/drivers/net/hw/
A Dpp_alloc_fail.py5 import time
56 time.sleep(1)
82 time.sleep(3)
110 time.sleep(0.1)
116 time.sleep(0.1)
/tools/power/acpi/os_specific/service_layers/
A Dosunixxf.c721 struct timespec time; in acpi_os_wait_semaphore() local
785 if (clock_gettime(CLOCK_REALTIME, &time) == -1) { in acpi_os_wait_semaphore()
790 time.tv_sec += (msec_timeout / ACPI_MSEC_PER_SEC); in acpi_os_wait_semaphore()
791 time.tv_nsec += in acpi_os_wait_semaphore()
796 if (time.tv_nsec >= ACPI_NSEC_PER_SEC) { in acpi_os_wait_semaphore()
797 time.tv_sec += (time.tv_nsec / ACPI_NSEC_PER_SEC); in acpi_os_wait_semaphore()
798 time.tv_nsec = (time.tv_nsec % ACPI_NSEC_PER_SEC); in acpi_os_wait_semaphore()
984 struct timeval time; in acpi_os_get_timer() local
988 gettimeofday(&time, NULL); in acpi_os_get_timer()
992 return (((u64)time.tv_sec * ACPI_100NSEC_PER_SEC) + in acpi_os_get_timer()
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/tools/testing/kunit/
A Dkunit.py15 import time
83 config_start = time.time()
85 config_end = time.time()
93 build_start = time.time()
97 build_end = time.time()
189 test_start = time.time()
202 test_end = time.time()
222 parse_start = time.time()
246 parse_time = time.time() - parse_start
271 run_start = time.time()
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/tools/laptop/dslm/
A Ddslm.c58 static char *myctime(time_t time) in myctime() argument
60 char *ts = ctime(&time); in myctime()
84 start_time = last_time = time(0); in measure()
93 curr_time = time(0); in measure()
109 total_time = time(0) - start_time; in measure()
/tools/net/sunrpc/xdrgen/generators/
A Dheader_top.py7 import time
29 mtime=time.ctime(os.path.getmtime(filename)),
40 mtime=time.ctime(os.path.getmtime(filename)),
/tools/testing/selftests/bpf/progs/
A Dexceptions.c335 u64 time = bpf_ktime_get_ns(); in exception_assert_range() local
337 bpf_assert_range(time, 0, ~0ULL); in exception_assert_range()
344 u64 time = bpf_ktime_get_ns(); in exception_assert_range_with() local
346 bpf_assert_range_with(time, 0, ~0ULL, 10); in exception_assert_range_with()
353 u64 time = bpf_ktime_get_ns(); in exception_bad_assert_range() local
355 bpf_assert_range(time, -100, 100); in exception_bad_assert_range()
362 u64 time = bpf_ktime_get_ns(); in exception_bad_assert_range_with() local
364 bpf_assert_range_with(time, -1000, 1000, 10); in exception_bad_assert_range_with()
/tools/perf/ui/browsers/
A Dres_sample.c50 timestamp__scnprintf_nsec(res_samples[i].time, tbuf, sizeof tbuf); in res_sample_browse()
68 n = timestamp__scnprintf_nsec(r->time - context_len, trange, sizeof trange); in res_sample_browse()
70 timestamp__scnprintf_nsec(r->time + context_len, trange + n, sizeof trange - n); in res_sample_browse()
72 timestamp__scnprintf_nsec(r->time, tsample, sizeof tsample); in res_sample_browse()
/tools/testing/selftests/bpf/benchs/
A Dbench_bpf_hashmap_full_update.c71 u64 time = ctx.skel->bss->percpu_time[i]; in hashmap_report_final() local
73 if (!time) in hashmap_report_final()
77 i, ctx.skel->bss->nr_loops * 1000000000ll / time); in hashmap_report_final()
/tools/testing/selftests/net/lib/py/
A Dnsim.py8 import time
114 timeout_start = time.time()
123 if time.time() < timeout_start + timeout:

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